Explain the field procedure for injection grouting.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Explain the field procedure for injection grouting.
Expert Solution
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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