Full casing drillingOcclusal pile It is a soft cutting method, that is, before the initial setting of the first sequence pile (using ultra-retarded concrete), the second sequence pile is constructed to cut the first sequence pile to achieve occlusion. It IS A SPECIAL TYPE OF PILE WHICH MAKES USE OF THE SPECIAL PROPERTIES OF SUPER RETARDED CONCRETE AND ADOPTS THE WHOLE CASING DRILLING MACHINE TO FORM HOLES AND PILES ACCORDING TO the SPECIAL TECHNOLOGY. Through the occluding and lashing between piles, it can form the continuous row pile enclosure structure or underground seepage prevention wall which can keep soil and water, and has good water stopping and soil retaining performance.

Full casing construction process:

Method of characteristics:

1Compared with the same type of envelope pile, the reaming coefficient is small, the project cost is low, and the construction speed is fast. The construction is flexible, easy to turn, more suitable for the construction of some plane geometry turning variable, or a variety of arc foundation pit enclosure structure.

2From the design point of view, the occluding pile and the diaphragm wall are compared, the occluding pile under the same conditions can also meet the design requirements, because its reinforcement ratio is small (reinforced concrete pile and plain concrete pile spacing arrangement), so the cost is lower than the underground diaphragm wall.

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