Intelligent fast installation method of servo support in foundation pit
An installation method and foundation pit technology, applied in the field of intelligent rapid installation of foundation pit servo support, can solve the problems of support construction quality, foundation pit unsupported soil exposure time, low degree of automation, long construction time, etc., to reduce exposure time, high degree of automation, and faster installation
Active Publication Date: 2021-05-04
TONGJI UNIV
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Problems solved by technology
However, at present, most foundation pit projects carry out the assembly and erection of steel supports after excavating the earth, which has problems such as long construction time and low degree of automation, which have a certain impact on the quality of support construction and the exposure time of unsupported soil in foundation pits. This will lead to an increase in the deformation of the foundation pit
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[0027] Below in conjunction with accompanying drawing, the present invention is described in further detail by specific embodiment:
[0028] like figure 1 , figure 2 As shown, the implementation process of a foundation pit servo support intelligent rapid installation is as follows:
[0029] Firstly, collect data, conduct investigations, obtain the physical and mechanical parameters of the ground around the foundation pit, and determine the deformation control requirements and safety level of the foundation pit. The sliding groove 2 bound on the cage is wrapped by a PVC pipe, and water is injected into the PVC pipe during the pouring process of the underground diaphragm wall 1 to prevent concrete from entering. After the underground continuous wall 1 is poured, the sliding groove 2 is obtained by cutting the PVC pipe, and the stepping device 11 is installed on the sliding groove.
[0030] During the excavation of the foundation pit, the intelligent and rapid installation of...
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The invention relates to the technical field of civil engineering, in particular to an intelligent and rapid installation method for servo supports in foundation pits. The installation method includes the following steps: on the cross-section of the construction area, pre-set the axis positions of multiple servo supports; install the first servo support on the stepping device, and control it to move to the preset location under the control of the central control terminal. Set the axis position, and apply the axial force according to the deformation requirements of the foundation pit; add a new servo support to move it above the first servo support, adjust the axial force of the two supports, and make the newly added servo support replace the original one Support, and move the previous servo support to the next design axis and apply axial force; add new servo supports continuously in this order, replace the servo support and install the next servo support through axial force adjustment, until all are completed Installation of the servo support. The invention can reduce the unsupported exposure time of the foundation pit soil and reduce the deformation of the foundation pit during the excavation process.
Description
technical field [0001] The invention relates to the technical field of civil engineering, in particular to an intelligent and rapid installation method for servo supports in foundation pits. Background technique [0002] With the continuous development of my country's economy, various infrastructures are becoming more and more perfect. During the excavation process of new foundation pits, it is necessary to consider more about the impact of the foundation pit excavation process on the surrounding environment and adjacent buildings and structures, and to control the deformation of the foundation pit. is one of the more important parts. However, at present, most foundation pit projects carry out the assembly and erection of steel supports after excavating the earth, which has problems such as long construction time and low degree of automation, which have a certain impact on the quality of support construction and the exposure time of unsupported soil in foundation pits. This ...
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IPC IPC(8): E02D17/04E02D33/00
CPCE02D17/04E02D33/00
Inventor 狄宏规王炳龙陈金铭杜伟张佳伟李厚荣周吟金钰寅周顺华
Owner TONGJI UNIV