Podcast
Questions and Answers
What is the primary reason for using cantilever erection for bridge construction?
What is the primary reason for using cantilever erection for bridge construction?
- To reduce the need for temporary supports
- To simplify the process of joining bridge pieces
- To minimize the weight of the bridge elements
- To allow for construction over navigable waterways (correct)
Why is significant and accurate precambering necessary for cantilever bridge construction?
Why is significant and accurate precambering necessary for cantilever bridge construction?
- To compensate for the deflections of the cantilevers under their own self-weight (correct)
- To facilitate the lifting of bridge elements into position
- To reduce the stress on the steel structure during construction
- To prevent wind from affecting the cantilevered sections
What type of bridge girders are better suited to cantilever erection?
What type of bridge girders are better suited to cantilever erection?
- Composite girders
- Solid steel girders
- Open U shaped box
- Closed box section (correct)
Why might temporary supports be considered for a large span during cantilever erection?
Why might temporary supports be considered for a large span during cantilever erection?
What type of additional loads may the steel structure be subjected to during cantilever erection?
What type of additional loads may the steel structure be subjected to during cantilever erection?
What is the primary advantage of using cantilever erection for bridge construction?
What is the primary advantage of using cantilever erection for bridge construction?
Why is temporary plan bracing typically required during cantilever erection for bridge construction?
Why is temporary plan bracing typically required during cantilever erection for bridge construction?
What type of bridge girders are better suited to cantilever erection according to the text?
What type of bridge girders are better suited to cantilever erection according to the text?
Why might temporary supports be considered for a large span during cantilever erection?
Why might temporary supports be considered for a large span during cantilever erection?
What additional loads may the steel structure be subjected to during cantilever erection for bridge construction?
What additional loads may the steel structure be subjected to during cantilever erection for bridge construction?
