Active Two-way Inclined Pile Row Foundation Pit Supporting Method
A two-way inclined, active technology, applied in excavation, foundation structure engineering, construction, etc., can solve the problems of foundation pit instability, large internal force, uneconomical, etc., reduce the possibility of overturning damage, and increase the design strength of the pile body. Reduce and reduce the effect of project cost
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[0026] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0027] see figure 1 , an active two-way inclined pile row foundation pit support method, the following steps are adopted:
[0028] 1) Along the inner side of the edge 3 of the foundation pit, the inwardly inclined support piles 4 and the outwardly inclined support piles 5 inclined to the pit are alternately driven to the design elevation of the pile bottom, and at the same time, a spacer is set behind the outwardly inclined support piles 5. water curtain;
[0029] 2) A jack 6 is set at the pile top of each inclination support pile 4;
[0030] 3) A crown beam 1 that connects all the inward supporting piles 4 and all the outward supporting piles 5 is set on the two-way inclined pile row composed of all the inward supporting piles 4 and all th...
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