Podcast
Questions and Answers
Which of the following best describes a dynamic load on a bridge?
Which of the following best describes a dynamic load on a bridge?
- A load that changes in magnitude, direction, or position. (correct)
- The force exerted by the bridge piers on the ground.
- A constant weight of the bridge itself.
- The evenly distributed force acting across the beams.
If a bridge is designed to have its shape determined by its purpose, what design principle does this best represent?
If a bridge is designed to have its shape determined by its purpose, what design principle does this best represent?
- Ergonomic design
- Static load distribution
- Form follows function (correct)
- Aesthetic superiority
Which bridge type primarily relies on a semicircular structure to distribute its load?
Which bridge type primarily relies on a semicircular structure to distribute its load?
- Truss bridge
- Arch bridge (correct)
- Beam bridge
- Suspension bridge
Which statement accurately describes the concept of symmetry related to a bridge?
Which statement accurately describes the concept of symmetry related to a bridge?
What is a distinctive characteristic of a truss bridge compared to a beam bridge?
What is a distinctive characteristic of a truss bridge compared to a beam bridge?
Flashcards
Suspension Bridge
Suspension Bridge
A structure that uses cables suspended from towers to support the load.
Arch Bridge
Arch Bridge
A bridge that uses a semicircular shape to support the load.
Beam Bridge
Beam Bridge
A simple bridge that consists of a horizontal beam supported by piers.
Dynamic Load
Dynamic Load
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Function
Function
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Study Notes
Ergonomics
- Relating to or designed for efficiency and comfort in the work environment for humans
Symmetry
- When an object is the same on both sides
Aesthetics
- The beauty and artistic taste of something
Static Load
- A static load does not change size, position, or direction
Dynamic Load
- A dynamic load is a force that can change while acting on a structure
Line of Symmetry
- An imaginary line that can cut an object in any direction, as long as one half is a mirror image of the other
Suspension Bridge
- Uses cables to suspend a load from towers
Beam Bridge
- A simple bridge with a horizontal beam supported by piers
Arch Bridge
- Uses a semicircular shape to support walls and, often, retaining walls to support the load
Truss Bridge
- Similar to a beam bridge, uses triangles to provide extra support
Form
- The shape, size, and materials of a structure.
Function
- The purpose or ability of a structure to do something
Form Follows Function
- You must know the function before determining the form of a structure.
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