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Questions and Answers
What is the main purpose of a foundation in a bridge superstructure?
What is the main purpose of a foundation in a bridge superstructure?
- To facilitate easy maintenance of the bridge
- To enhance the aesthetic appeal of the bridge
- To provide shade for pedestrians walking under the bridge
- To receive the load from piers and abutments and transfer it to the soil (correct)
When selecting a foundation type for small bridges, what is the recommended choice?
When selecting a foundation type for small bridges, what is the recommended choice?
- Piles for weak soil (correct)
- Caissons for rock bed
- Spread foundations for deep riverbeds
- Piles for strong soil
What is the function of pile foundations in bridge construction?
What is the function of pile foundations in bridge construction?
- To increase the overall weight of the bridge
- To provide structural support in normal ground conditions
- To protect the bridge from water damage
- To transfer loads through weak soil to deeper soil or rock strata (correct)
When should spread foundations be used for small bridges?
When should spread foundations be used for small bridges?
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Why are caissons recommended for deep riverbeds?
Why are caissons recommended for deep riverbeds?
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What factors should be considered in foundation design when evaluating geologic and environmental conditions?
What factors should be considered in foundation design when evaluating geologic and environmental conditions?
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In what conditions are pile foundations used in bridge construction?
In what conditions are pile foundations used in bridge construction?
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Why are strong foundations necessary in bridge construction?
Why are strong foundations necessary in bridge construction?
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What loadings should foundations be designed to support in a bridge superstructure?
What loadings should foundations be designed to support in a bridge superstructure?
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Which type of foundation is recommended when the bed below a small bridge has good bearing capacity?
Which type of foundation is recommended when the bed below a small bridge has good bearing capacity?
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