Static pressure pile counterforce device and construction method thereof

The invention discloses a static pressure pile counterforce device which comprises two upright columns, center hole jacks which sleeve the upright columns respectively and a bottom beam, wherein a limiting block is fixed to the top end of each upright column; the top end of a piston rod of each cent...

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Bibliographic Details
Main Authors XU HANDONG, DAI LINJIAN, LAI MANGEN, TENG KUN, ZHOU YANG, ZHANG GUOLU, ZHANG XIANG, GUO FEI, CHEN JIA, REN SHENGYUAN
Format Patent
LanguageChinese
English
Published 30.03.2016
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a static pressure pile counterforce device which comprises two upright columns, center hole jacks which sleeve the upright columns respectively and a bottom beam, wherein a limiting block is fixed to the top end of each upright column; the top end of a piston rod of each center hole jack is fixed to the corresponding limiting block; the two ends of the bottom beam sleeve the two upright columns respectively; the bottoms of the center hole jacks are fixed to the bottom beam; a perforating hole is formed in the middle part of the bottom beam; at least two through holes are also formed in the bottom beam on the periphery of the perforating hole; threaded steel penetrates through each through hole; the position of each threaded steel on the upper surface of the bottom beam is limited by a limiting screw cap; a cover plate is placed on the top surface of a precast pile; the threaded steel penetrate through the cover plate; and the position of each threaded steel on the upper surface of the
Bibliography:Application Number: CN201510972455