Building Construction
Grillage foundation

All listed here
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

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Building Construction
Gravels

Never swell when they come into contact with water
Are cohesionless aggregates
All listed here
Vary in size between 2 to 20 mm

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