BC Ch. 2 Terms
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BC Ch. 2 Terms

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Questions and Answers

What role do arches play in structural engineering?

  • They allow for increased airflow within buildings.
  • They function solely to support roofs.
  • They combine the structural functions of beams and columns. (correct)
  • They are simply ornamental features.
  • What is the main purpose of arches in construction?

  • To serve as the primary load-bearing element without any decorative value
  • To enhance the aesthetic appeal of the structure
  • To support only lightweight structures
  • To combine the functions of a beam and a column (correct)
  • In construction terminology, what does 'attitude' denote?

  • The vertical or horizontal orientation of a structure (correct)
  • The amount of weight a foundation can carry
  • The overall aesthetic of a building's facade
  • A style or theme in architectural design
  • Which best defines an axial load?

    <p>A load that passes through the centroid of a section and is perpendicular to the plane of the section</p> Signup and view all the answers

    What characterizes a bar joist?

    <p>A lightweight steel truss joist</p> Signup and view all the answers

    What is the primary function of a beam within a structural framework?

    <p>To transmit forces perpendicular to such forces to the reaction points</p> Signup and view all the answers

    In construction, what does the term 'bent' refer to?

    <p>A line of columns in any direction</p> Signup and view all the answers

    Which of the following best describes the function of a braced frame in a structural system?

    <p>To enhance lateral stability and load resistance</p> Signup and view all the answers

    What defines the function of beams in terms of load transfer?

    <p>To transmit forces perpendicular to the applied loads to the reaction points</p> Signup and view all the answers

    What is the main purpose of hurricane bracing in a structure?

    <p>To prevent uplift of the components of a structure during a hurricane</p> Signup and view all the answers

    What best describes the function of a joist in construction?

    <p>A beam used to support floors or roofs</p> Signup and view all the answers

    What does K-bracing refer to in structural engineering?

    <p>An arrangement of braces between columns that resembles the letter 'K'</p> Signup and view all the answers

    What is a kilojoule (kJ) in measurement terms?

    <p>A metric unit approximately equivalent to one Btu</p> Signup and view all the answers

    In masonry construction, what are headers used for?

    <p>Masonry units that tie together adjoining wythes of masonry</p> Signup and view all the answers

    What defines an inverted king post truss?

    <p>A truss incorporating a single compression member extending downward</p> Signup and view all the answers

    What is the function of a lintel in a building?

    <p>To support structures above openings for doors and windows</p> Signup and view all the answers

    Which of the following best describes a gusset plate?

    <p>A thin sheet of steel used to connect truss components</p> Signup and view all the answers

    What is the primary characteristic of a load-bearing wall?

    <p>A wall that supports the structure above it</p> Signup and view all the answers

    What role does a ledger board serve in construction?

    <p>To support wood joists attached to wall studs</p> Signup and view all the answers

    What type of load does 'live load' refer to in construction?

    <p>The weight of dynamic elements like occupants and furniture</p> Signup and view all the answers

    What is the purpose of a lightweight truss?

    <p>To create a triangular unit for roof or floor support</p> Signup and view all the answers

    What does 'dead load' encompass in construction?

    <p>All materials permanently incorporated into a building</p> Signup and view all the answers

    What does 'heat release rate' (HRR) measure?

    <p>The rate at which the potential heat in fuel is released</p> Signup and view all the answers

    What characterizes a homogeneous wall in construction?

    <p>A wall that functions as a unit with strong bonding of materials</p> Signup and view all the answers

    Which statement best describes a demising wall?

    <p>It separates tenant spaces within a building.</p> Signup and view all the answers

    What role does a diaphragm floor serve in construction?

    <p>To enhance structural stability against lateral loads.</p> Signup and view all the answers

    How is an eccentric load defined in structural terms?

    <p>A force applied perpendicularly but not through the center.</p> Signup and view all the answers

    What defines a fire wall in building construction?

    <p>To separate buildings and prevent fire spread.</p> Signup and view all the answers

    What is a flitch plate girder primarily composed of?

    <p>A piece of steel between two wooden beams.</p> Signup and view all the answers

    What is the primary function of a foundation in a building?

    <p>To transmit and anchor loads to the ground.</p> Signup and view all the answers

    What characterizes a fixed beam in construction?

    <p>Rigidly held at two ends without movement.</p> Signup and view all the answers

    What does fire resistance imply for construction materials?

    <p>The capacity to resist ignition and thermal effects of fire.</p> Signup and view all the answers

    What purpose does a gravity connection serve in building construction?

    <p>To hold structural elements in place using building weight.</p> Signup and view all the answers

    How are girders utilized within a structure?

    <p>To support other primary beams.</p> Signup and view all the answers

    What does the term fire load evaluate?

    <p>The potential fuel a fire may consume in a building.</p> Signup and view all the answers

    What is meant by deflection in structural engineering?

    <p>The deformation of a structural member due to loads.</p> Signup and view all the answers

    What does a grillage system provide in construction?

    <p>A method for distributing loads through multiple beams.</p> Signup and view all the answers

    What characterizes a built-up girder in construction?

    <p>It consists of steel plates and angles riveted together.</p> Signup and view all the answers

    What does a buttress primarily do in construction?

    <p>Strengthens a wall against heavy load or thrust.</p> Signup and view all the answers

    What does the term 'camber' refer to in structural engineering?

    <p>An upward rise to counter deflection.</p> Signup and view all the answers

    What best describes a cavity or hollow wall in construction?

    <p>A wall built from two wythes separated by a cavity for insulation.</p> Signup and view all the answers

    How is caloric value measured?

    <p>In British Thermal Units (Btu).</p> Signup and view all the answers

    What is the main purpose of bracing in structural systems?

    <p>To resist lateral forces such as wind and earthquakes.</p> Signup and view all the answers

    What is a characteristic of a composite wall?

    <p>Composed of two or more masonry materials that work under load.</p> Signup and view all the answers

    What is the primary function of a column in structural design?

    <p>To transmit a compressive force along a straight path.</p> Signup and view all the answers

    What defines a continuous beam in structural layout?

    <p>Supported at three or more points for improved load handling.</p> Signup and view all the answers

    How is compression defined in structural mechanics?

    <p>A direct pushing force acting along the axis.</p> Signup and view all the answers

    What distinguishes a cantilever beam from a standard beam?

    <p>Supported only at one end.</p> Signup and view all the answers

    What is the definition of a concentrated load in structural terms?

    <p>A load that acts on a very small area of the structure.</p> Signup and view all the answers

    What does the term 'centroid' signify in engineering design?

    <p>The center point where a body is stable under gravity.</p> Signup and view all the answers

    What is bracing primarily used for in structural construction?

    <p>To resist lateral loads caused by wind or earthquakes.</p> Signup and view all the answers

    What is the primary function of a support member in a block wall?

    <p>To distribute concentrated loads</p> Signup and view all the answers

    What do watts (W) specifically measure in relation to fire safety?

    <p>The energy release rate of a fire</p> Signup and view all the answers

    In a truss, what does the term 'web' refer to?

    <p>The group of struts, ties, and panel points</p> Signup and view all the answers

    What is the primary function of weep holes in masonry walls?

    <p>To permit water to escape trapped inside the wall</p> Signup and view all the answers

    What characterizes a wet joint in concrete construction?

    <p>A connection for uniting precast rods with cast-in-place concrete</p> Signup and view all the answers

    In structural engineering, what does 'wind load' reflect?

    <p>The force of wind acting on a structure during storms</p> Signup and view all the answers

    In masonry construction, what defines 'wythes'?

    <p>Vertical walls made of masonry units one unit thick</p> Signup and view all the answers

    Which of the following best describes a function of a temporary support during construction?

    <p>To bear the weight of permanent structures until completion</p> Signup and view all the answers

    What is a key characteristic of a self-releasing floor in heavy-timber construction?

    <p>It allows for quick removal during renovations.</p> Signup and view all the answers

    What accurately describes 'self-weight' in the context of construction?

    <p>The weight of the structure itself.</p> Signup and view all the answers

    Which definition best describes a shear wall?

    <p>A wall that provides resistance against lateral loads.</p> Signup and view all the answers

    What is the primary function of a spandrel girder in construction?

    <p>To provide structural support between columns.</p> Signup and view all the answers

    What defines a simple beam in construction terminology?

    <p>A beam supported at two ends carrying loads to reaction points.</p> Signup and view all the answers

    Which best describes the role of steel joists in construction?

    <p>They provide a web design for floor and roof support.</p> Signup and view all the answers

    In structural engineering, what does stiffness refer to?

    <p>The ability to resist excessive deflection under loads.</p> Signup and view all the answers

    What specifically does strain measure in a material?

    <p>The deformation when stress is applied.</p> Signup and view all the answers

    What does stress represent in materials science?

    <p>The force applied per unit area causing deformation.</p> Signup and view all the answers

    What distinguishes stretchers in masonry construction?

    <p>Masonry units laid horizontally to create wall face.</p> Signup and view all the answers

    Which statement accurately describes structural elements in building construction?

    <p>They encompass components like beams, columns, and walls.</p> Signup and view all the answers

    What roles do struts play in a structured building?

    <p>They provide bracing and stability throughout.</p> Signup and view all the answers

    What characterizes the structural frame of a building?

    <p>It includes all members that support the building.</p> Signup and view all the answers

    What type of wall is specifically designed to support additional loads besides its own weight?

    <p>A load-bearing wall</p> Signup and view all the answers

    In construction, what do loads refer to?

    <p>Forces or actions from the weight of materials and environmental effects</p> Signup and view all the answers

    What distinguishes a megastructure from other types of structures?

    <p>It is a very large structure</p> Signup and view all the answers

    What are rakers in construction?

    <p>Diagonal bracing columns</p> Signup and view all the answers

    What does 'pinned' refer to in structural engineering?

    <p>Structural elements connected by simple connectors such as bolts, rivets, or welded joints</p> Signup and view all the answers

    Which of the following describes the energy release rate of a fire in relation to megawatts?

    <p>Measurement of heat output in a fire</p> Signup and view all the answers

    What characterizes a queen post truss?

    <p>A truss with two compression members</p> Signup and view all the answers

    What does the term 'moment' represent in structural engineering?

    <p>The tendency of a force to twist or rotate a member</p> Signup and view all the answers

    What is a pilaster in construction?

    <p>A masonry column projecting from one or both faces of a wall</p> Signup and view all the answers

    What function does a moment connection serve in construction?

    <p>It prevents beam and column displacement</p> Signup and view all the answers

    What does 'plastic design' refer to in construction?

    <p>A design based on connections that redirect overloads to other sections of the building</p> Signup and view all the answers

    Which statement best describes a moment frame?

    <p>A structural system that resists lateral loads</p> Signup and view all the answers

    What is the purpose of monolithic concrete in construction?

    <p>To appear as a single cohesive structure</p> Signup and view all the answers

    What is a rubble masonry wall?

    <p>A wall composed of inner and outer wythes of coursed masonry filled with random masonry and mortar</p> Signup and view all the answers

    What role does a needle beam play in construction?

    <p>To provide foundation support for existing walls</p> Signup and view all the answers

    What does 'precast' mean in construction?

    <p>A concrete member that is cast and cured in a place other than its final position in the structure</p> Signup and view all the answers

    What does HRR stand for in fire dynamics?

    <p>Heat Release Rate, referring to the rate at which a fuel will burn</p> Signup and view all the answers

    In structural engineering, what does the neutral axis indicate?

    <p>The point where deformation does not occur</p> Signup and view all the answers

    Which of the following best defines a non-load-bearing wall?

    <p>A wall that supports only its own weight</p> Signup and view all the answers

    What does the safety factor in construction refer to?

    <p>The ratio of the strength of a material just before failure to the safe working stress</p> Signup and view all the answers

    What is reinforced concrete?

    <p>Concrete that contains embedded steel reinforcement to act together in resisting forces</p> Signup and view all the answers

    What characterizes an overhanging beam in construction?

    <p>Projects beyond its support without being a cantilever</p> Signup and view all the answers

    What do panel points refer to in a truss system?

    <p>Connection points for ties and chords</p> Signup and view all the answers

    What does 'reaction' refer to in structural engineering?

    <p>The response in structures to the imposed loads, generally developed at the supports</p> Signup and view all the answers

    What causes a rising roof in wood trusses?

    <p>Differences in moisture levels between the upper and lower wood truss chords, causing the truss to bend</p> Signup and view all the answers

    What is true about a partition wall within a building?

    <p>It helps to divide internal spaces</p> Signup and view all the answers

    What does a rigid frame consist of?

    <p>All columns and beams are rigidly connected with no hinged joints</p> Signup and view all the answers

    What is portal bracing?

    <p>Heavy riveting of girders to columns from the top to the bottom of the frame</p> Signup and view all the answers

    What type of beam is suspended by a tension member such as a chain, cable, or rod?

    <p>A simple beam with one or both ends suspended on a tension member</p> Signup and view all the answers

    What distinguishes a suspended load in construction?

    <p>A hanging load supported from above</p> Signup and view all the answers

    In structural engineering, what does tension refer to?

    <p>A pulling or stretching force in line with the axis of the body</p> Signup and view all the answers

    What is the main function of a tie-rod in construction?

    <p>To hold structural parts together in tension</p> Signup and view all the answers

    In a truss system, what do the ties represent?

    <p>The tension members holding the truss together</p> Signup and view all the answers

    What does torque measure within a structural context?

    <p>The turning force applied to a structural element</p> Signup and view all the answers

    What is defined by the term torsion in structural engineering?

    <p>A force that twists a structural member</p> Signup and view all the answers

    What is the function of a transfer beam in construction?

    <p>To carry loads around large openings</p> Signup and view all the answers

    What does transmission refer to in construction?

    <p>The way loads spread from application points to the ground</p> Signup and view all the answers

    What characterizes a triangular truss?

    <p>A roof truss designed in triangular shape for peak support</p> Signup and view all the answers

    In construction terminology, what defines a truss?

    <p>A structure composed of triangles to support loads</p> Signup and view all the answers

    What does tube construction involve?

    <p>An externally braced structure for stability</p> Signup and view all the answers

    What is meant by ultimate strength in construction?

    <p>The maximum load a structure withstands prior to failure</p> Signup and view all the answers

    How is a uniformly distributed load defined?

    <p>A load spread evenly across an area</p> Signup and view all the answers

    What is the defining feature of a veneer wall?

    <p>A masonry wall improving exterior appearance</p> Signup and view all the answers

    Which description accurately defines the term 'truss' in structural engineering?

    <p>The group of struts, ties, and panel points in a truss</p> Signup and view all the answers

    What is the primary function of weep holes in masonry walls?

    <p>To allow water trapped inside the wall to escape</p> Signup and view all the answers

    In concrete construction, what is meant by the term 'wet joint'?

    <p>Cast-in-place concrete that unites the rods projecting from precast sections</p> Signup and view all the answers

    What does 'wind load' refer to in structural engineering?

    <p>The positive or negative force of the wind acting on a structure</p> Signup and view all the answers

    What are 'wythes' in the context of masonry construction?

    <p>Single continuous vertical walls of masonry units, one masonry unit in thickness</p> Signup and view all the answers

    What characterizes a Vierendeel truss?

    <p>A rectangular truss with very rigid corner bracing</p> Signup and view all the answers

    What are voussoirs in construction?

    <p>The wedge-shaped blocks whose converging sides radiate from a center, forming the elements of an arch or vaulted ceiling</p> Signup and view all the answers

    What is the primary function of a wall in a structure?

    <p>To transmit compressive forces to the ground</p> Signup and view all the answers

    What is a wall column?

    <p>A supporting member of steel, reinforced concrete, or solid masonry in a block wall, where concentrated loads are applied directly above</p> Signup and view all the answers

    What do watts (W) measure in the context of fire safety?

    <p>The units for measuring the energy release rate of a fire</p> Signup and view all the answers

    What does the web refer to in a truss?

    <p>The structural connections between the top and bottom chords</p> Signup and view all the answers

    What defines a voussoir's role in an arch?

    <p>They help in distributing the load along the arch's curve.</p> Signup and view all the answers

    What distinguishes a wall column from a standard column?

    <p>It supports concentrated loads directly above in a block wall.</p> Signup and view all the answers

    What is the main function of a truss in structural engineering?

    <p>To support heavy loads through a system of struts and ties</p> Signup and view all the answers

    What is the primary purpose of weep holes in masonry walls?

    <p>To allow trapped moisture to exit from the wall</p> Signup and view all the answers

    How should a wet joint in concrete construction be defined?

    <p>Concrete poured to connect precast elements together</p> Signup and view all the answers

    What does the term 'wind load' indicate in structural engineering contexts?

    <p>The force produced by wind acting on a structure</p> Signup and view all the answers

    Which best describes the concept of wythes in masonry construction?

    <p>Single vertical walls of masonry one unit thick</p> Signup and view all the answers

    What characterizes a Vierendeel truss?

    <p>A rectangular truss with very rigid corner bracing</p> Signup and view all the answers

    What are voussoirs in construction?

    <p>The wedge-shaped blocks whose converging sides radiate from a center, forming the elements of an arch or vaulted ceiling</p> Signup and view all the answers

    What is the primary function of a wall in a structure?

    <p>To transmit compressive forces to the ground</p> Signup and view all the answers

    What is a wall column?

    <p>A supporting member of steel, reinforced concrete, or solid masonry in a block wall, where concentrated loads are applied directly above</p> Signup and view all the answers

    What do watts (W) measure in the context of fire safety?

    <p>The units for measuring the energy release rate of a fire</p> Signup and view all the answers

    What does the web refer to in a truss?

    <p>The vertical members that connect the top and bottom chords</p> Signup and view all the answers

    What defines the function of voussoirs in arch construction?

    <p>They form the key element of the curvature of the arch</p> Signup and view all the answers

    Which statement best describes the primary function of a wall in structural integrity?

    <p>Walls distribute lateral loads to the foundation</p> Signup and view all the answers

    Study Notes

    Arches

    • Arches combine the structural roles of both beams and columns, providing support for various loads.
    • They help evenly distribute weight and enhance the stability of the structure.

    Attitude

    • In construction, "attitude" refers to the orientation of a structure, either vertical or horizontal.
    • Understanding the attitude is crucial for ensuring the correct alignment and stability of a building.

    Axial Load

    • An axial load is defined as a load that passes through the centroid of a section, acting perpendicular to the plane of the section.
    • This type of load is essential for determining how structures will behave under different force applications.

    Bar Joist

    • A bar joist is a lightweight steel truss joist used for spanning distances in various structures.
    • They are designed to support floors and roofs, providing strength without excessive weight.

    Beam

    • The primary function of a beam is to transmit forces perpendicular to the applied loads to the reaction points.
    • Beams are fundamental components in construction, allowing for the safe transfer of loads and enhancing structural integrity.

    Key Construction Terms and Concepts

    • Arches: Function to combine the structural roles of a beam and a column, supporting both vertical and horizontal loads.

    • Attitude: Refers to the vertical or horizontal orientation of a structure, essential in determining structural stability.

    • Axial Load: A load that passes through the centroid of a section and is perpendicular to the plane, critical in structural analysis.

    • Bar Joist: A lightweight steel truss joist used in construction for providing support and spanning distances with minimal weight.

    • Beam: Transmits forces perpendicular to its length to reaction points, forming an essential part of structural frameworks.

    • Bent: Represents a line of columns arranged in any direction, important for organizing structural support.

    • Braced Frame: Incorporates diagonal members to provide bracing against lateral loads such as wind and earthquakes.

    • Bracket: Supports structures that cantilever, preventing potential failure due to unbalanced forces.

    • Brick and Block Composite Wall: Composed of an exterior wythe of brick and an inner concrete masonry unit (CMU), enhances structural integrity and thermal performance.

    • Btu (British Thermal Unit): Measures the heat needed to raise the temperature of 1 pound of water by 1°F, critical for energy calculations.

    • Built-up Girder: Made from steel plates and angles riveted together, typically used in large span applications to support loads effectively.

    • Buttress: Strengthens walls against heavy loads or lateral thrust, commonly found in masonry structures.

    • Caloric Value: Measured in British Thermal Units (Btu), indicates the energy content of fuels.

    • Camber: An upward rise designed into beams to counteract deflection under loads, aiding in structural performance.

    • Cantilever Beam: Supported on one end only, providing unique architectural and structural challenges.

    • Cavity or Hollow Wall: Built of two wythes separated by a space, allowing for drainage or insulation benefits.

    • Centroid: The balance point of a structure, fundamental in load calculations and stability assessments.

    • Chord: Refers to the top and bottom outside members of a truss, crucial for its load distribution.

    • Column: Transmits compressive forces vertically, integral for building stability and load transfer.

    • Composite: A term for structures made up of different materials, enhancing performance and utility.

    • Composite Wall: Consists of two or more masonry materials interacting under load, providing structural integrity.

    • Compression: A direct pushing force acting along the axis of a member, fundamental in structural engineering principles.

    • Concentrated Load: A load applied over a very small area, often leading to significant localized stress.

    • Continuous Beam: Supported at multiple points to distribute loads more efficiently across its span.

    • Core Construction: Involves bracing elements located within the central area of the structure for enhanced stability.

    • Cross Wall: Positioned at right angles to another wall, providing additional bracing and stability.

    • Dead Load: Represents the weight of all permanently incorporated materials in a structure, essential for load calculations.

    • Deflection: Indicates the deformation or displacement of structural elements due to applied loads, critical in design considerations.

    • Demising Wall: Separates spaces within buildings, vital for zoning and tenant privacy.

    • Diaphragm Floor: Serves to stiffen buildings against lateral forces such as wind and seismic activity.

    • Eccentric Load: A load that is applied perpendicularly but does not pass through the center, creating bending moments.

    • Fire Cut: An angled cut at the end of a joist that allows it to fall safely during a fire situation, protecting load-bearing walls.

    • Fire Load: Measures the potential fuel available for a fire in a building, critical in fire safety assessments.

    • Fire Resistance: The ability of a material to avoid combustion and withstand thermal effects of fire, critical for safety ratings.

    • Fire Wall: Separates buildings or parts of buildings to limit the spread of fire, essential for safety regulations.

    • Fixed Beam: Rigidly held at both ends, offering stability and resistance to bending under loads.

    • Flitch Plate Girder: Comprises a steel plate sandwiched between wooden beams, combining the benefits of both materials.

    • Foundation: Transfers loads from the building to the ground, anchoring the structure against settlement and structural failure.

    • Gang Nail: Another term for a gusset plate used in lightweight wood trusses, providing connections for structural integrity.

    • Girders: Serve to support other beams, playing a crucial role in load distribution.

    • Gravity Connection: Relies on the weight of the structure for stability, minimizing the need for additional mechanical fasteners.

    • Gravity Resistance System: Comprises all structural components that support and transfer loads, fundamental to a building's integrity.

    • Grillage: Comprises closely spaced beams designed to distribute heavy loads across a surface effectively.

    • Gusset Plate: A thin steel plate that connects truss components, providing stability and support.

    • Headers: Masonry units that tie together multiple wythes, essential for structural cohesion.

    • Heat Release Rate (HRR): Measures how fast fuel releases heat energy, crucial in fire dynamics analysis.

    • Homogeneous Wall Construction: Acts as one cohesive unit, enhancing strength and integrity through good bonding.

    • Hurricane Bracing: Prevents uplift forces during severe weather, enhancing a structure's resilience.

    • Impact Load: Represents the dynamic effect of moving loads acting on a stationary structure, critical in design considerations.

    • Inverted King Post Truss: Features a single compression member extending downward, unique in truss design.

    • Joist: A beam that supports floors or ceilings, integral to structural frameworks.

    • K-bracing: Arranged braces forming the letter “K” between columns, enhancing lateral stability.

    • Kilojoule (kJ): Metric unit of energy approximately equivalent to one Btu, used in energy calculations.

    • Kilowatts (KW): Measures the energy release rate of a fire, important for assessing fire dynamics.

    • KIP: A unit of force equating to 1000 pounds, used in structural engineering for load calculations.

    • Knee Wall: A short wall in attic spaces, providing structural support and often used to add usable floor space.

    • Lateral Impact Load: A force applied horizontally, such as by wind or seismic activity, necessitating design considerations for stability.

    • Ledger Board: Supports joists by anchoring to wall studs, crucial for framing in construction.

    • Lightweight Truss: Composed of light materials arranged in triangular units to support roofs or floors efficiently.

    • Lintel: Horizontal beam supporting structures above openings in walls, important in door and window installations.

    • Live Load: Represents variable weights, including occupants and furniture, impacting structural design.

    • Load-Bearing Wall: Carries loads beyond its own weight, critical for structural integrity in multi-story buildings.### Construction Terminology

    • Loads: Refer to forces or actions arising from the weight of materials, occupants, environmental factors, and restrained dimensional changes.

    • Megastructure: A term used for very large structures.

    • Megawatts (MW): Measures the energy release rate of a fire.

    • Moment: Describes the tendency of a force to rotate or twist a structural member.

    • Moment Connection: A connection preventing the sliding and rotation of beams and columns.

    • Moment Frame: A structural system with specialized connections to resist lateral loads like those from earthquakes or wind.

    • Monolithic Concrete: A construction technique in which all concrete castings are joined to appear as a single unit.

    • Needle Beam: Used to support existing walls when foundation changes are made.

    • Neutral Axis: The line along which a beam's length does not change under load.

    • Non-Load-Bearing Wall: A wall that carries no structural load beyond its own weight.

    • Overhanging Beam: Projects beyond its support but isn't far enough to be a cantilever.

    • Panel Points: Connection points in a truss that join ties, struts, and chords.

    • Panel Wall (Curtain Wall): A non-load-bearing wall used to enclose framed buildings.

    • Parallel-Chord Truss: A truss with upper and lower chords aligned.

    • Partition Wall: Used to subdivide spaces within a building or room.

    • Party Wall: A common load-bearing wall shared by two structures.

    • Piers: Short masonry columns supporting structural members.

    • Pilaster: A column-like structure projecting from a wall.

    • Pinned: Refers to structural elements connected with simple connectors such as bolts or rivets.

    • Plastic Design: A design approach that directs overloads to other sections of a structure.

    • Portal Bracing: Heavy riveting of girders to columns from top to bottom for stability.

    • Precast: Concrete elements cast and cured outside their final position, ready for installation.

    • Precast Concrete Tilt-Slab Wall: Acts as a vertical cantilever during erection, braced temporarily.

    • HRR (Heat Release Rate): Indicates the rate at which fuel burns, critical in fire dynamics.

    • Queen Post Truss: Characterized by two compression members.

    • Rakers: Diagonal columns providing bracing support.

    • Reaction: Refers to the structural response to imposed loads, typically at supports.

    • Reinforced Concrete: Concrete containing steel reinforcement for enhanced strength against forces.

    • Repeated Load: Applied intermittently to a structural member over time.

    • Rigid Frame: Features no hinged joints; all components are rigidly connected.

    • Rising Roof: Caused by moisture differences in wood trusses, leading to bending.

    • Rubble Masonry Wall: Comprised of wythes of coursed masonry filled with random material.

    • Safety Factor: The strength ratio of a material just before failure compared to safe working stress.

    • Sand-Lime Mortar: An older water-soluble mortar mix that could wash away over time.

    • Self-Releasing Floor: Girders with minimal stability allowing for easy removal.

    • Self-Weight: Another term for the dead load of a structure.

    • Serpentine Wall: A wall shaped in a curve, not straight.

    • Shear Forces: Pull structural members in opposite directions.

    • Shear Connection: Prevents sliding between columns and beams.

    • Shear Wall: Resists lateral loads, enhancing building stability against wind and earthquakes.

    • Simple Beam: Supported at two points near its ends, effectively delivering loads.

    • Spaceframe: A three-dimensional truss-like structure with a pyramid shape for stability.

    • Spandrel Girder: A girder tying wall columns in framed buildings together.

    • Steel Joist: Open web design supports floors and roofs, lightweight but strong.

    • Stiffness: Refers to a member's ability to withstand loads without excessive deflection.

    • Strain: Measures the percentage of deformation in a material when stressed.

    • Stress: Force per unit area that induces deformation in materials.

    • Stretchers: Masonry units laid horizontally in wall construction.

    • Structural Elements: Include beams, trusses, columns, arches, and walls essential for supporting a building.

    • Structural Frame: Combines all structural members to distribute loads to the foundation.

    • Struts: Bracing columns that provide support and stability.

    • Suspended Beam: A beam with one or both ends suspended by tension elements.

    • Suspended Load: A load that hangs and is supported from above.

    • Tension: A pulling force along the body, in contrast to compression.

    • Tie-Rod: A tension rod used to hold structural parts together.

    • Ties: Tensile connections in a truss.

    • Torque: Measures the turning force applied to a structural member.

    • Torsion: Refers to the twisting force applied to a structural member.

    • Transfer Beam: Carries loads around openings to avoid columns.

    • Transmission: Describes how loads are spread from the application point to the ground.

    • Triangular Truss: A structural element commonly used in spanning large spaces.### Truss

    • A triangular roof truss creates a peaked roof, providing structural support.

    • Trusses consist of a framed structure formed by triangles to efficiently bear loads.

    Tube Construction

    • Tube construction involves an externally braced structure that enhances stability and strength.

    Ultimate Strength

    • Ultimate strength measures the maximum load that a structure can handle before failing.

    Uniformly Distributed Load

    • Uniformly distributed load refers to a load that is evenly distributed over a surface area, creating balanced pressure.

    Veneer Wall

    • A veneer wall consists of a single layer of masonry, primarily for aesthetic improvements on a building's exterior.

    Vierendeel Truss

    • A Vierendeel truss is a rectangular truss with rigid corner bracing, distinct from triangular trusses.

    Voussoirs

    • Voussoirs are wedge-shaped blocks used in arches or vaulted ceilings, converging at a center point to form structural elements.

    Wall

    • The primary role of a wall is to transmit compressive forces down to the ground, providing structural integrity.

    Wall Column

    • A wall column supports concentrated loads above it, made from materials like steel, reinforced concrete, or solid masonry.

    Watts (W)

    • Watts measure the energy release rate of a fire, crucial for fire safety assessments.

    Web

    • The web of a truss includes the struts, ties, and panel points, contributing to the overall structural system.

    Weep Holes

    • Weep holes in masonry walls allow trapped moisture to escape, preventing water damage.

    Wet Joint

    • A wet joint involves cast-in-place concrete that connects rods from precast sections, enhancing structural cohesion.

    Wind Load

    • Wind load is defined as the forces (positive or negative) of wind acting upon a building, influencing its design and stability.

    Wythes

    • Wythes are vertical walls made of masonry units, with a single unit thickness providing strength to the structure.

    Vierendeel Truss

    • Characterized as a rectangular truss featuring very rigid corner bracing.
    • Differentiates from triangular trusses and lightweight steel trusses.

    Voussoirs

    • Wedge-shaped blocks in construction, forming the elements of an arch or vaulted ceiling.
    • Converging sides radiate from a center, providing structural integrity in arches.

    Wall

    • Primary function is to transmit compressive forces to the ground, supporting the overall structure.
    • Plays a role beyond decoration, vital for stability.

    Wall Column

    • A supporting member made of steel, reinforced concrete, or solid masonry.
    • Specifically designed to carry concentrated loads applied directly above it in a block wall.

    Watts (W)

    • Measures energy release rate in fire safety, indicating the intensity of a fire.
    • Distinct from measuring temperature or weight of firefighting equipment.

    Web

    • Refers to the group of struts, ties, and panel points within a truss.
    • Essential for maintaining structural integrity and load distribution.

    Weep Holes

    • Designed to allow trapped water within masonry walls to escape, preventing structural damage.
    • Important for wall maintenance and longevity.

    Wet Joint

    • Involves cast-in-place concrete that joins rods from precast sections, providing strength and stability.
    • Not merely a decorative feature, but a structural necessity in concrete construction.

    Wind Load

    • Describes the positive or negative forces exerted by wind on a structure.
    • Consideration of wind load is critical in structural engineering to ensure stability.

    Wythes

    • Single continuous vertical walls of masonry units, typically one unit in thickness.
    • Integral to the structural composition of walls in masonry construction.

    Vierendeel Truss

    • Characterized as a rectangular truss featuring very rigid corner bracing.
    • Differentiates from triangular trusses and lightweight steel trusses.

    Voussoirs

    • Wedge-shaped blocks in construction, forming the elements of an arch or vaulted ceiling.
    • Converging sides radiate from a center, providing structural integrity in arches.

    Wall

    • Primary function is to transmit compressive forces to the ground, supporting the overall structure.
    • Plays a role beyond decoration, vital for stability.

    Wall Column

    • A supporting member made of steel, reinforced concrete, or solid masonry.
    • Specifically designed to carry concentrated loads applied directly above it in a block wall.

    Watts (W)

    • Measures energy release rate in fire safety, indicating the intensity of a fire.
    • Distinct from measuring temperature or weight of firefighting equipment.

    Web

    • Refers to the group of struts, ties, and panel points within a truss.
    • Essential for maintaining structural integrity and load distribution.

    Weep Holes

    • Designed to allow trapped water within masonry walls to escape, preventing structural damage.
    • Important for wall maintenance and longevity.

    Wet Joint

    • Involves cast-in-place concrete that joins rods from precast sections, providing strength and stability.
    • Not merely a decorative feature, but a structural necessity in concrete construction.

    Wind Load

    • Describes the positive or negative forces exerted by wind on a structure.
    • Consideration of wind load is critical in structural engineering to ensure stability.

    Wythes

    • Single continuous vertical walls of masonry units, typically one unit in thickness.
    • Integral to the structural composition of walls in masonry construction.

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