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A foundation pit support protection structure

A protection structure and foundation pit support technology, which is applied in the direction of foundation structure engineering, foundation structure test, construction, etc., can solve the problem that the lateral earth pressure of the thousand-ton crane cannot play a good role in stabilizing, the support structure is bent, Affect the building construction on the top of the foundation pit and other issues, so as to achieve the effect that large deformation is not easy to occur

Active Publication Date: 2021-12-07
上海金鹿建设(集团)有限公司
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Problems solved by technology

[0003] In view of the above-mentioned related technologies, the inventor believes that there are the following defects: the lateral earth pressure generated during the walking and operation of the thousand-ton crane cannot play a good stabilizing effect, which may cause the top of the supporting structure to bend inwards of the foundation pit , which in turn may affect the building construction on the top of the foundation pit

Method used

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  • A foundation pit support protection structure
  • A foundation pit support protection structure
  • A foundation pit support protection structure

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Embodiment Construction

[0036] The following is attached Figure 1-5 The application is described in further detail.

[0037] The embodiment of the present application discloses a support and protection structure for a foundation pit. refer to figure 1 and figure 2 , the foundation pit 1 is excavated on the ground, and the support and protection structure includes support piles 2, anchors 3, chains 4, motors 5, displacement sensors and control systems, and the support piles 2 are cast on the inside of the foundation pit 1 to form a side slope, the anchor piece 3 is fixedly arranged on the ground and is located on the side of the edge of the foundation pit 1, the motor 5 is fixedly arranged on the anchor piece 3, and one end of the chain 4 is fixedly connected with the output end of the motor 5 and wound around the output end of the motor 5 end, the other end of the chain 4 is installed on the top of the support pile 2; the displacement sensor is fixedly arranged on the anchor 3, and the displacem...

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Abstract

The application relates to a foundation pit support and protection structure, which includes support piles, anchors, chains, motors and displacement sensors. The anchors are fixed on the ground at the side of the foundation pit, the motor is fixed on the anchors, and the chain One end of the motor is fixedly connected to the output end of the motor, and the other end is detachably connected to the top of the support pile. The displacement sensor is set on the anchor to detect the horizontal displacement of the anchor and output horizontal displacement information. The motor is connected to the control system. The moving direction of the anchor towards the support pile is the positive direction, the horizontal displacement information of the anchor is positive displacement information when the anchor moves towards the support pile, the control system is connected to the displacement sensor, and the control system responds to the positive displacement information and according to the positive direction The preset calculation relationship between the displacement information and the output end of the motor is used to calculate the rotation angle of the output end of the motor and drive the chain to wind up. The application has the effect that the top of the support pile is not easily deformed when it is subjected to lateral earth pressure.

Description

technical field [0001] The present application relates to the technical field of building foundation pits, in particular to a foundation pit support and protection structure. Background technique [0002] The pit is an earth pit excavated at the foundation design position according to the base elevation and foundation plane size. If the excavation is deep and there are buildings nearby, the method of foundation pit wall support, shotcrete wall protection method, large foundation pit or even underground diaphragm wall and column type bored pile interlocking method can be used. [0003] In view of the above-mentioned related technologies, the inventor believes that there are the following defects: the lateral earth pressure generated during the walking and operation of the thousand-ton crane cannot play a good stabilizing effect, which may cause the top of the supporting structure to bend inwards of the foundation pit , which in turn may affect the building construction on th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D5/76E02D33/00
CPCE02D5/76E02D17/04E02D33/00
Inventor 黄建骏戴卿林凌季玮
Owner 上海金鹿建设(集团)有限公司
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