Construction method of stress dispersion type stiffening pile with recoverable anchor bars
A technology of stress dispersion and construction method, applied in the direction of excavation, sheet pile wall, foundation structure engineering, etc., can solve the problems of forming obstacles, restricting application, easy to generate rheology, etc., and achieving the effect of shortening the recovery time.
Pending Publication Date: 2021-06-15
上海梯杰易气体工程技术有限公司
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Problems solved by technology
However, anchoring in soft ground is the bottleneck of anchoring technology, because soft ground has low friction and is prone to rheology, which limits the application of anchoring technology
In addition, the prestressed anchor bars are made of steel strands, which are often left underground to form obstacles after the slope and foundation pit enclosure structures complete their missions, which also limits the application of this type of support.
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] Please refer to figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 ,in, figure 1 A structural schematic diagram of a preferred embodiment of the construction method of the stress dispersion type stiffened pile with recyclable anchor bar provided by the present invention; figure 2 for figure 1 The schematic diagram of the structure shown in the top view; image 3 for figure 1 Schematic diagram of the structure of the anti-off device shown; Figure 4 for figure 1 The enlarged schematic diagram of part A shown; Figure 5 for figure 1 The enlarged schematic diagram of part B is shown. The construction method of the stress dispersion type stiffened pile with recyclable anchor bars includes:
[0028] S1: Install the prestressed anchor bar 3 and the traction anchor bar 4 on the carrier body, the carrier body includes a bearing seat ...
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The invention provides a construction method of a stress dispersion type stiffening pile with recoverable anchor bars. The construction method of the stress dispersion type stiffening pile with the recoverable anchor bars comprises the following steps of (S1) installing prestressed anchor bars and traction anchor bars on a bearing body, wherein the bearing body comprises a bearing seat, a locking clamping block and a jacking clamping block, the prestressed anchor bars are arranged between the bearing seat and the locking clamping block, the traction anchor bars are arranged in the jacking clamping block, the locking clamping block and the jacking clamping block are in an inverted wedge shape and are formed by assembling a plurality of locking clamping blocks and jacking clamping blocks, a cavity cover is installed on the other side of the bearing seat, the prestressed anchor bars and the traction anchor bars penetrate through the cavity cover and extend out of the bearing body, and an anti-falling device is installed on the cavity cover. The construction method of the stress dispersion type stiffening pile with the recoverable anchor bars has the advantages that high anchoring force is provided, deformation is effectively controlled, and the recoverable anchor bars of anchor cables can be conveniently recovered.
Description
technical field [0001] The invention relates to the technical field of construction, in particular to a construction method of a stress-distributed stiffened pile which can recover anchor tendons. Background technique [0002] In the currently commonly used slope and deep foundation pit support projects, the prestressed anchor cable has a high anchorage force, and the formed pile-anchor support structure has been widely used. But anchoring in soft ground is the bottleneck of anchoring technology, because soft ground has low frictional resistance and is prone to rheology, which limits the application of anchoring technology. In addition, the prestressed anchor bars are made of steel strands, which are often left underground to form obstacles after the slope and foundation pit enclosure structures complete their missions, which also limits the application of this type of support. For this reason, it is an urgent need for the engineering field to form a higher anchoring force ...
Claims
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IPC IPC(8): E02D5/76E02D17/04E02D17/20E02D5/54
CPCE02D5/54E02D5/76E02D5/765E02D17/04E02D17/20E02D17/207E02D2600/30
Inventor 于新威刘四喜王怡萍
Owner 上海梯杰易气体工程技术有限公司