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Automatic foundation pit support monitoring system

A monitoring system and foundation pit support technology, which is applied in foundation structure engineering, foundation structure testing, sheet pile walls, etc., can solve problems such as threats to foundation pit construction safety, collapse, deformation, displacement, etc., and reduce construction safety hazards. , reduce the measurement error, improve the accuracy of the effect

Inactive Publication Date: 2021-10-08
CRPCEC SHENZHEN ENG +1
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Problems solved by technology

[0004] However, since the deformation and displacement of the foundation pit support structure are usually affected by the stress state of the slope around the foundation pit, if the stress state of the slope around the foundation pit changes and cannot be detected in time, the support structure will be affected. Irreversible deformation, displacement, and even collapse are prone to occur due to the stress of the slope around the foundation pit, which seriously threatens the construction safety of the foundation pit

Method used

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Embodiment Construction

[0037] The following is attached Figure 1-6 The application is described in further detail.

[0038] An automatic monitoring system for foundation pit support, referring to figure 1 , including an enclosure 2 for enclosing the pit wall of the foundation pit 1, wherein the enclosure 2 is formed by pouring reinforced concrete. An anchor cable axial force monitoring device is installed on the enclosure 2, and the anchor cable axial force monitoring device is used to monitor the stress variation of the slope body 17 around the foundation pit 1.

[0039]Specifically, refer to figure 2 and image 3 The anchor cable axial force monitoring device includes an anchor cable 3 inserted into the slope body 17 at one end and a tension mechanism for providing tension to the anchor cable 3. In this embodiment, the anchor cable 3 passes through the enclosure 2, and the tension mechanism is located at An end of the anchor cable 3 away from the slope body 17 . When the anchor cable 3 is i...

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Abstract

The invention discloses an automatic foundation pit support monitoring system. The automatic foundation pit support monitoring system comprises an enclosure body, an anchor cable axial force monitoring device is arranged on the enclosure body and comprises an anchor cable arranged on the enclosure body in a penetrating mode and a tensioning mechanism used for providing tension for the anchor cable, one end of the anchor cable is poured into a slope body, a hole allowing the anchor cable to penetrate is formed in the enclosure body, and the tensioning mechanism is arranged at the end, away from the slope body, of the anchor cable and clamps the anchor cable. The anchor cable axial force monitoring device further comprises an anchor cable meter, the anchor cable meter and the anchor cable are concentrically arranged, an angle adjusting assembly is arranged on the enclosure body, a sleeve is arranged between the anchor cable meter and the tensioning mechanism, and the sleeve abuts against the anchor cable meter and the tensioning mechanism. Tensioning force is provided for the anchor cable through the tensioning mechanism, stress dissipation of the anchor cable meter is monitored, so that dissipation of prestress of the anchor cable is indirectly obtained, the prestress variable quantity of the slope body around the foundation pit is judged, workers can take and formulate necessary engineering measures in time, potential safety hazards of construction are reduced, and the construction safety is improved.

Description

technical field [0001] The invention relates to the field of foundation pit monitoring, in particular to an automatic monitoring system for foundation pit support. Background technique [0002] The foundation pit is an earth pit excavated according to the base level and foundation plane size during the design of the building foundation. Foundation pit collapse is a safety accident that occurs frequently during the construction process, which not only brings a lot of economic losses, but also causes casualties. [0003] In order to reduce the probability of foundation pit collapse and reduce the losses caused by foundation pit collapse, the existing foundation pit needs to be protected and supported by support structures after excavation, and the support is monitored by testing equipment at regular intervals The deformation and displacement of the structure can be used to judge the safety of the project, detect possible collapse hazards in time, and take and formulate necess...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00E02D17/02E02D5/74
CPCE02D33/00E02D17/04E02D17/02E02D5/74E02D2600/30
Inventor 钟林林定位李家宏陈霖丰雄亚魏川杨万帅邓根
Owner CRPCEC SHENZHEN ENG
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