Examveda

Which structure is used to control groundwater flow in foundations?

A. Retaining wall

B. Grouting curtain

C. Riprap

D. Pile cap

Answer: Option B

Solution (By Examveda Team)

A grouting curtain is a barrier formed by injecting grout into soil or rock to reduce permeability and prevent groundwater seepage.

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Related Questions on Groundwater and Hydrogeology

What is an aquifer?

A. Rock that does not hold water

B. Layer that restricts water flow

C. Permeable rock that stores and transmits water

D. Layer that absorbs contaminants