Building Construction
Pick up the commonly adopted geophysical method in civil engineering from the following:

Electrical resistivity method
Both (A) and (B) of the above
The seismic method
Gravitational method

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Building Construction
Grillage foundation

Is light and economical
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
All listed here

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