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Questions and Answers
What is the purpose of placing a counterweight at the end of the structure (abutment 1) just before the launching nose reaches pier 2?
What is the purpose of placing a counterweight at the end of the structure (abutment 1) just before the launching nose reaches pier 2?
- To increase the speed of launching
- To ensure stability and safety against overturning of the structure (correct)
- To test the strength of the bridge beams
- To reduce the weight of the structure
What factor has a significant influence on the distribution and magnitude of the moments during launching?
What factor has a significant influence on the distribution and magnitude of the moments during launching?
- The type of steel used in construction
- The distance between abutment 1 and abutment 2
- The length of the launching nose (correct)
- The presence of counterweights
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
- Due to the choice of the launching nose (correct)
- Due to the influence of the counterweight
- Due to the type of steel used
- Due to the presence of pier 2
Why should the length of the launching nose be chosen carefully?
Why should the length of the launching nose be chosen carefully?
When is it important to check for safety against overturning of the launched structure?
When is it important to check for safety against overturning of the launched structure?
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
When is it important to check for safety against overturning of the launched structure?
When is it important to check for safety against overturning of the launched structure?
What is the purpose of placing a counterweight at the end of the structure (abutment 1) just before the launching nose reaches pier 2?
What is the purpose of placing a counterweight at the end of the structure (abutment 1) just before the launching nose reaches pier 2?
What factor has a significant influence on the distribution and magnitude of the moments during launching?
What factor has a significant influence on the distribution and magnitude of the moments during launching?
Why should the length of the launching nose be chosen carefully?
Why should the length of the launching nose be chosen carefully?
What does the placement of a counter weight at the end of the structure (abutment 1) just before the launching nose reaches pier 2 aim to do?
What does the placement of a counter weight at the end of the structure (abutment 1) just before the launching nose reaches pier 2 aim to do?
Why is it important to carefully choose the length of the launching nose?
Why is it important to carefully choose the length of the launching nose?
What factor significantly influences the distribution and magnitude of moments during launching?
What factor significantly influences the distribution and magnitude of moments during launching?
When is it important to check for safety against overturning of the launched structure?
When is it important to check for safety against overturning of the launched structure?
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
Why are the states of stress during launching different from those experienced by the bridge beams in their final state?
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