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Post Grouted Bored Piles
Conventional Bored Piles
Diaphragm Walls
Berlin Walls
High Pressure Injection
Permeation Grouting
Dewatering Works
Micro Piles
Secant Piles Walls
Cut-off Walls
Ground Anchors
 
Micro Piles
The basic concept of piling works, is to transfer the loads of the construction through upper weak soil layers to more competent deeper soil layers
 
Due to the small diameter of micro-piles, they can only sustain the loads applied to them by the skin friction interaction between their surface area and the surrounding soil layers.
 
To improve such friction interaction, skin grouting is performed around the pile shaft at the depth of penetration of the pile through the bearing strata.
 
The soil adjacent to / surrounding the pile shaft is grouted by cement mortar to cover a pre-determined length by using tube-a-manchette method, or though grouting pipes attached to the reinforcement cage of the micro pile as in Post Grouted Bored Piles.

 

                         
 

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