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What role do arches play in structural engineering?
What is the main purpose of arches in construction?
In construction terminology, what does 'attitude' denote?
Which best defines an axial load?
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What characterizes a bar joist?
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What is the primary function of a beam within a structural framework?
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In construction, what does the term 'bent' refer to?
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Which of the following best describes the function of a braced frame in a structural system?
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What defines the function of beams in terms of load transfer?
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What is the main purpose of hurricane bracing in a structure?
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What best describes the function of a joist in construction?
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What does K-bracing refer to in structural engineering?
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What is a kilojoule (kJ) in measurement terms?
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In masonry construction, what are headers used for?
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What defines an inverted king post truss?
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What is the function of a lintel in a building?
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Which of the following best describes a gusset plate?
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What is the primary characteristic of a load-bearing wall?
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What role does a ledger board serve in construction?
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What type of load does 'live load' refer to in construction?
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What is the purpose of a lightweight truss?
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What does 'dead load' encompass in construction?
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What does 'heat release rate' (HRR) measure?
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What characterizes a homogeneous wall in construction?
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Which statement best describes a demising wall?
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What role does a diaphragm floor serve in construction?
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How is an eccentric load defined in structural terms?
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What defines a fire wall in building construction?
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What is a flitch plate girder primarily composed of?
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What is the primary function of a foundation in a building?
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What characterizes a fixed beam in construction?
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What does fire resistance imply for construction materials?
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What purpose does a gravity connection serve in building construction?
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How are girders utilized within a structure?
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What does the term fire load evaluate?
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What is meant by deflection in structural engineering?
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What does a grillage system provide in construction?
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What characterizes a built-up girder in construction?
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What does a buttress primarily do in construction?
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What does the term 'camber' refer to in structural engineering?
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What best describes a cavity or hollow wall in construction?
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How is caloric value measured?
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What is the main purpose of bracing in structural systems?
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What is a characteristic of a composite wall?
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What is the primary function of a column in structural design?
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What defines a continuous beam in structural layout?
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How is compression defined in structural mechanics?
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What distinguishes a cantilever beam from a standard beam?
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What is the definition of a concentrated load in structural terms?
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What does the term 'centroid' signify in engineering design?
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What is bracing primarily used for in structural construction?
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What is the primary function of a support member in a block wall?
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What do watts (W) specifically measure in relation to fire safety?
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In a truss, what does the term 'web' refer to?
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What is the primary function of weep holes in masonry walls?
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What characterizes a wet joint in concrete construction?
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In structural engineering, what does 'wind load' reflect?
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In masonry construction, what defines 'wythes'?
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Which of the following best describes a function of a temporary support during construction?
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What is a key characteristic of a self-releasing floor in heavy-timber construction?
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What accurately describes 'self-weight' in the context of construction?
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Which definition best describes a shear wall?
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What is the primary function of a spandrel girder in construction?
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What defines a simple beam in construction terminology?
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Which best describes the role of steel joists in construction?
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In structural engineering, what does stiffness refer to?
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What specifically does strain measure in a material?
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What does stress represent in materials science?
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What distinguishes stretchers in masonry construction?
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Which statement accurately describes structural elements in building construction?
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What roles do struts play in a structured building?
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What characterizes the structural frame of a building?
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What type of wall is specifically designed to support additional loads besides its own weight?
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In construction, what do loads refer to?
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What distinguishes a megastructure from other types of structures?
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What are rakers in construction?
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What does 'pinned' refer to in structural engineering?
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Which of the following describes the energy release rate of a fire in relation to megawatts?
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What characterizes a queen post truss?
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What does the term 'moment' represent in structural engineering?
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What is a pilaster in construction?
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What function does a moment connection serve in construction?
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What does 'plastic design' refer to in construction?
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Which statement best describes a moment frame?
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What is the purpose of monolithic concrete in construction?
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What is a rubble masonry wall?
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What role does a needle beam play in construction?
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What does 'precast' mean in construction?
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What does HRR stand for in fire dynamics?
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In structural engineering, what does the neutral axis indicate?
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Which of the following best defines a non-load-bearing wall?
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What does the safety factor in construction refer to?
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What is reinforced concrete?
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What characterizes an overhanging beam in construction?
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What do panel points refer to in a truss system?
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What does 'reaction' refer to in structural engineering?
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What causes a rising roof in wood trusses?
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What is true about a partition wall within a building?
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What does a rigid frame consist of?
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What is portal bracing?
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What type of beam is suspended by a tension member such as a chain, cable, or rod?
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What distinguishes a suspended load in construction?
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In structural engineering, what does tension refer to?
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What is the main function of a tie-rod in construction?
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In a truss system, what do the ties represent?
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What does torque measure within a structural context?
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What is defined by the term torsion in structural engineering?
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What is the function of a transfer beam in construction?
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What does transmission refer to in construction?
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What characterizes a triangular truss?
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In construction terminology, what defines a truss?
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What does tube construction involve?
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What is meant by ultimate strength in construction?
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How is a uniformly distributed load defined?
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What is the defining feature of a veneer wall?
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Which description accurately defines the term 'truss' in structural engineering?
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What is the primary function of weep holes in masonry walls?
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In concrete construction, what is meant by the term 'wet joint'?
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What does 'wind load' refer to in structural engineering?
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What are 'wythes' in the context of masonry construction?
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What characterizes a Vierendeel truss?
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What are voussoirs in construction?
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What is the primary function of a wall in a structure?
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What is a wall column?
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What do watts (W) measure in the context of fire safety?
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What does the web refer to in a truss?
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What defines a voussoir's role in an arch?
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What distinguishes a wall column from a standard column?
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What is the main function of a truss in structural engineering?
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What is the primary purpose of weep holes in masonry walls?
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How should a wet joint in concrete construction be defined?
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What does the term 'wind load' indicate in structural engineering contexts?
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Which best describes the concept of wythes in masonry construction?
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What characterizes a Vierendeel truss?
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What are voussoirs in construction?
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What is the primary function of a wall in a structure?
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What is a wall column?
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What do watts (W) measure in the context of fire safety?
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What does the web refer to in a truss?
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What defines the function of voussoirs in arch construction?
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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
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Arches: Function to combine the structural roles of a beam and a column, supporting both vertical and horizontal loads.
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Attitude: Refers to the vertical or horizontal orientation of a structure, essential in determining structural stability.
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Axial Load: A load that passes through the centroid of a section and is perpendicular to the plane, critical in structural analysis.
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Bar Joist: A lightweight steel truss joist used in construction for providing support and spanning distances with minimal weight.
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Beam: Transmits forces perpendicular to its length to reaction points, forming an essential part of structural frameworks.
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Bent: Represents a line of columns arranged in any direction, important for organizing structural support.
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Braced Frame: Incorporates diagonal members to provide bracing against lateral loads such as wind and earthquakes.
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Bracket: Supports structures that cantilever, preventing potential failure due to unbalanced forces.
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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.
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Btu (British Thermal Unit): Measures the heat needed to raise the temperature of 1 pound of water by 1°F, critical for energy calculations.
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Built-up Girder: Made from steel plates and angles riveted together, typically used in large span applications to support loads effectively.
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Buttress: Strengthens walls against heavy loads or lateral thrust, commonly found in masonry structures.
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Caloric Value: Measured in British Thermal Units (Btu), indicates the energy content of fuels.
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Camber: An upward rise designed into beams to counteract deflection under loads, aiding in structural performance.
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Cantilever Beam: Supported on one end only, providing unique architectural and structural challenges.
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Cavity or Hollow Wall: Built of two wythes separated by a space, allowing for drainage or insulation benefits.
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Centroid: The balance point of a structure, fundamental in load calculations and stability assessments.
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Chord: Refers to the top and bottom outside members of a truss, crucial for its load distribution.
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Column: Transmits compressive forces vertically, integral for building stability and load transfer.
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Composite: A term for structures made up of different materials, enhancing performance and utility.
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Composite Wall: Consists of two or more masonry materials interacting under load, providing structural integrity.
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Compression: A direct pushing force acting along the axis of a member, fundamental in structural engineering principles.
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Concentrated Load: A load applied over a very small area, often leading to significant localized stress.
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Continuous Beam: Supported at multiple points to distribute loads more efficiently across its span.
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Core Construction: Involves bracing elements located within the central area of the structure for enhanced stability.
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Cross Wall: Positioned at right angles to another wall, providing additional bracing and stability.
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Dead Load: Represents the weight of all permanently incorporated materials in a structure, essential for load calculations.
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Deflection: Indicates the deformation or displacement of structural elements due to applied loads, critical in design considerations.
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Demising Wall: Separates spaces within buildings, vital for zoning and tenant privacy.
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Diaphragm Floor: Serves to stiffen buildings against lateral forces such as wind and seismic activity.
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Eccentric Load: A load that is applied perpendicularly but does not pass through the center, creating bending moments.
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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.
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Fire Load: Measures the potential fuel available for a fire in a building, critical in fire safety assessments.
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Fire Resistance: The ability of a material to avoid combustion and withstand thermal effects of fire, critical for safety ratings.
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Fire Wall: Separates buildings or parts of buildings to limit the spread of fire, essential for safety regulations.
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Fixed Beam: Rigidly held at both ends, offering stability and resistance to bending under loads.
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Flitch Plate Girder: Comprises a steel plate sandwiched between wooden beams, combining the benefits of both materials.
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Foundation: Transfers loads from the building to the ground, anchoring the structure against settlement and structural failure.
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Gang Nail: Another term for a gusset plate used in lightweight wood trusses, providing connections for structural integrity.
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Girders: Serve to support other beams, playing a crucial role in load distribution.
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Gravity Connection: Relies on the weight of the structure for stability, minimizing the need for additional mechanical fasteners.
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Gravity Resistance System: Comprises all structural components that support and transfer loads, fundamental to a building's integrity.
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Grillage: Comprises closely spaced beams designed to distribute heavy loads across a surface effectively.
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Gusset Plate: A thin steel plate that connects truss components, providing stability and support.
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Headers: Masonry units that tie together multiple wythes, essential for structural cohesion.
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Heat Release Rate (HRR): Measures how fast fuel releases heat energy, crucial in fire dynamics analysis.
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Homogeneous Wall Construction: Acts as one cohesive unit, enhancing strength and integrity through good bonding.
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Hurricane Bracing: Prevents uplift forces during severe weather, enhancing a structure's resilience.
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Impact Load: Represents the dynamic effect of moving loads acting on a stationary structure, critical in design considerations.
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Inverted King Post Truss: Features a single compression member extending downward, unique in truss design.
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Joist: A beam that supports floors or ceilings, integral to structural frameworks.
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K-bracing: Arranged braces forming the letter “K” between columns, enhancing lateral stability.
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Kilojoule (kJ): Metric unit of energy approximately equivalent to one Btu, used in energy calculations.
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Kilowatts (KW): Measures the energy release rate of a fire, important for assessing fire dynamics.
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KIP: A unit of force equating to 1000 pounds, used in structural engineering for load calculations.
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Knee Wall: A short wall in attic spaces, providing structural support and often used to add usable floor space.
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Lateral Impact Load: A force applied horizontally, such as by wind or seismic activity, necessitating design considerations for stability.
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Ledger Board: Supports joists by anchoring to wall studs, crucial for framing in construction.
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Lightweight Truss: Composed of light materials arranged in triangular units to support roofs or floors efficiently.
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Lintel: Horizontal beam supporting structures above openings in walls, important in door and window installations.
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Live Load: Represents variable weights, including occupants and furniture, impacting structural design.
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Load-Bearing Wall: Carries loads beyond its own weight, critical for structural integrity in multi-story buildings.### Construction Terminology
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Loads: Refer to forces or actions arising from the weight of materials, occupants, environmental factors, and restrained dimensional changes.
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Megastructure: A term used for very large structures.
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Megawatts (MW): Measures the energy release rate of a fire.
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Moment: Describes the tendency of a force to rotate or twist a structural member.
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Moment Connection: A connection preventing the sliding and rotation of beams and columns.
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Moment Frame: A structural system with specialized connections to resist lateral loads like those from earthquakes or wind.
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Monolithic Concrete: A construction technique in which all concrete castings are joined to appear as a single unit.
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Needle Beam: Used to support existing walls when foundation changes are made.
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Neutral Axis: The line along which a beam's length does not change under load.
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Non-Load-Bearing Wall: A wall that carries no structural load beyond its own weight.
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Overhanging Beam: Projects beyond its support but isn't far enough to be a cantilever.
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Panel Points: Connection points in a truss that join ties, struts, and chords.
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Panel Wall (Curtain Wall): A non-load-bearing wall used to enclose framed buildings.
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Parallel-Chord Truss: A truss with upper and lower chords aligned.
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Partition Wall: Used to subdivide spaces within a building or room.
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Party Wall: A common load-bearing wall shared by two structures.
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Piers: Short masonry columns supporting structural members.
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Pilaster: A column-like structure projecting from a wall.
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Pinned: Refers to structural elements connected with simple connectors such as bolts or rivets.
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Plastic Design: A design approach that directs overloads to other sections of a structure.
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Portal Bracing: Heavy riveting of girders to columns from top to bottom for stability.
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Precast: Concrete elements cast and cured outside their final position, ready for installation.
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Precast Concrete Tilt-Slab Wall: Acts as a vertical cantilever during erection, braced temporarily.
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HRR (Heat Release Rate): Indicates the rate at which fuel burns, critical in fire dynamics.
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Queen Post Truss: Characterized by two compression members.
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Rakers: Diagonal columns providing bracing support.
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Reaction: Refers to the structural response to imposed loads, typically at supports.
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Reinforced Concrete: Concrete containing steel reinforcement for enhanced strength against forces.
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Repeated Load: Applied intermittently to a structural member over time.
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Rigid Frame: Features no hinged joints; all components are rigidly connected.
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Rising Roof: Caused by moisture differences in wood trusses, leading to bending.
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Rubble Masonry Wall: Comprised of wythes of coursed masonry filled with random material.
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Safety Factor: The strength ratio of a material just before failure compared to safe working stress.
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Sand-Lime Mortar: An older water-soluble mortar mix that could wash away over time.
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Self-Releasing Floor: Girders with minimal stability allowing for easy removal.
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Self-Weight: Another term for the dead load of a structure.
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Serpentine Wall: A wall shaped in a curve, not straight.
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Shear Forces: Pull structural members in opposite directions.
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Shear Connection: Prevents sliding between columns and beams.
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Shear Wall: Resists lateral loads, enhancing building stability against wind and earthquakes.
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Simple Beam: Supported at two points near its ends, effectively delivering loads.
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Spaceframe: A three-dimensional truss-like structure with a pyramid shape for stability.
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Spandrel Girder: A girder tying wall columns in framed buildings together.
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Steel Joist: Open web design supports floors and roofs, lightweight but strong.
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Stiffness: Refers to a member's ability to withstand loads without excessive deflection.
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Strain: Measures the percentage of deformation in a material when stressed.
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Stress: Force per unit area that induces deformation in materials.
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Stretchers: Masonry units laid horizontally in wall construction.
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Structural Elements: Include beams, trusses, columns, arches, and walls essential for supporting a building.
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Structural Frame: Combines all structural members to distribute loads to the foundation.
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Struts: Bracing columns that provide support and stability.
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Suspended Beam: A beam with one or both ends suspended by tension elements.
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Suspended Load: A load that hangs and is supported from above.
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Tension: A pulling force along the body, in contrast to compression.
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Tie-Rod: A tension rod used to hold structural parts together.
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Ties: Tensile connections in a truss.
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Torque: Measures the turning force applied to a structural member.
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Torsion: Refers to the twisting force applied to a structural member.
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Transfer Beam: Carries loads around openings to avoid columns.
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Transmission: Describes how loads are spread from the application point to the ground.
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Triangular Truss: A structural element commonly used in spanning large spaces.### Truss
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A triangular roof truss creates a peaked roof, providing structural support.
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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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