Building Construction
The additional piles which are driven to increase the capacity of supporting loads on vertical piles, are known

Eccentric piles
Raking piles
Sinking piles
Construction piles

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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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Building Construction
Auger boring

Is most economical up-to a depth of 5 meters
Is the most primitive method for making a hole in the ground
Is generally employed in cohesive and other self soils above water table
All of these

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