How to avoid cave-in collapse in Micro piling?
How to avoid the bore hole cave-in collapse when drilling through formations with loose, unconsolidated material? Eccentric Casing System can help you to solve this kind of problem.
Step 1: Using the ODEX casing system with casing tube to drill the hole
Step 2: Pull out the ODEX casing system from the hole
Step 3: Put the PVC pipe inside the casing tube
Step 4: Pull out the casing tube, only leave the PVC pipe in the hole
Step 5: Insert rebar into the hole and grouting
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