Pile Extraction Research Institute
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Construction Method
Crawler Style Catch Fork Method
In this method, crawler crane is made the base machine and high torque Earth Auger is installed on suspension type Leader and is fixed with the help of a Catch Fork. This method is mainly used for large bore pile extraction.

Effective for extracting large number of large bore piles because of the installation of high torque earth auger on the excavating machine.

Unsuitable for compact sites due to it's large size
Taking out Pile head Standbibe Setting
Locate Pile head with a pressure shovel Set the casing to check collapse. Backfill the surrounding of of set casing with excavated earth.
Drilling of Pile vicinity Bring pile off the ground
The drilling of the pile is done till the required depth is achieved, by combining air, water, cement fluid through special casing for pile extraction The pile is brought off the ground by attaching crane wire to specialized multiple pulley. After bringing the pile off, the cavity is filled with water and cement fluid mix.
Pile Extraction Pile Cutting
The upper part of the cut pile is held by medium size crane and lower part is held by multiple pulley or mount with reactive force.@Chose the wire depending on the weight of the pile. The pile is cut into safe lengths by using Oosumi dismantling machines. To check dust problem during cutting, water is sprayed through high washers.
Pile Removal Backfilling of Pile Hole
The cut pile is removed by medium size crane The cavity resulting from pile extraction is filled with cement fluid and sand mix. Please check the composition with the supervisor.
Pile Clearance, Crazing  
The dismantled piles are cleared with the help of medium size cranes. Glass and steel are disposed separately  
Catch Fork MethodCatch Fork MethodCatch Fork Method

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