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10 Questions

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Bridge Structure Overloading Prevention

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Questions and Answers

What is the purpose of a foundation in a bridge superstructure?

To act as a decorative element for the bridge

To store additional construction materials

To provide a place for the engineers to sit and observe the bridge

To carry the load from the piers and abutments and transfer it to the soil (correct)

Which type of foundation is suitable for small bridges when the soil has good bearing capacity?

Spread foundations (correct)

Pile foundations

Caissons

Deep riverbeds

What factor should be considered when designing foundations for bridges according to the text?

The weight of the construction workers

Geologic and environmental conditions (correct)

The color of the construction materials

The type of vegetation surrounding the bridge

In what situation are pile foundations used in bridge construction?

To transfer loads through weak soil or water to deeper soil or rock strata Signup and view all the answers

Which part of the bridge superstructure do foundations directly support?

Piers and abutments Signup and view all the answers

What is the main function of caissons in foundation selection for bridges?

For deep riverbeds Signup and view all the answers

Under what conditions are spread foundations generally recommended for small bridges?

When the soil has good bearing capacity Signup and view all the answers

What is the primary purpose of pile foundations in bridge construction?

Transfer loads through weak soil or water to deeper soil or rock strata having high bearing capacity. Signup and view all the answers

Which type of foundation is recommended for elevated roadways even in normal ground conditions?

Pile foundations Signup and view all the answers

What should foundation designs be tailored to according to the text?

Superstructure stability and settlements. Signup and view all the answers