Explain the field procedure for injection grouting.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Explain the field procedure for injection grouting.

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Step 1

Grouting is usually carried out by driving pipes or boring holes into the ground, and then pumping the grout solution into inserted tubes at high pressure. 

Step 2

The amount of grouting needed for a specific area is calculated by investigating conditions of ground and determining a pattern of drilling. This takes into account the required size, depth and spacing of the holes.

Step 3

The spacing of the holes will be influenced by the grout type and the specific conditions of ground. 

Step 4

The grout injection pressure is based on conditions of soil and before the correct pressure is calculated, in-situ testing may be conducted. 

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