Excavation face bottom settlement deformation monitoring device and use method thereof

A deformation monitoring and monitoring device technology, which is applied in measuring devices, surveying and navigation, height/horizontal measurement, etc., can solve the problems of not being able to accurately monitor the position of the largest settlement, and not directly reflecting the settlement of the bottom of the excavation surface, etc., to achieve settlement Accurately measure the effect of high and high precision

Active Publication Date: 2017-06-20
SINOHYDRO BUREAU 8 CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the vertical height of the existing measuring column is used to reflect the settlement and deformation of the bottom of the excavation face, it cannot accurately monitor the position of the largest settlement, cannot directly reflect the bottom settlement of the excavation face, and can accurately measure the bottom settlement of the excavation face under the condition of no slope transfer station The problem

Method used

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  • Excavation face bottom settlement deformation monitoring device and use method thereof
  • Excavation face bottom settlement deformation monitoring device and use method thereof
  • Excavation face bottom settlement deformation monitoring device and use method thereof

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing.

[0023] see Figure 1 to Figure 4 , a subsidence deformation monitoring device at the bottom of an excavation face, the upper end of the sleeve 5 is provided with a protective cover 6, the lower end is filled with a filling material 2, and the sleeve 5 is provided with a plurality of aluminum rods connected as a whole through aluminum rod joints 3 4. One end of the aluminum rod 4 is connected with the head 1 of the monitoring device and the head 1 of the monitoring device extends through the filling material 2 to the outside of the sleeve 5; The ruler end 8 is connected with a level gauge 9, and a level bubble device 7 is installed on the aluminum rod 4 near the excavation surface.

[0024] The head 1 of the monitoring device is a cross-shaped iron sheet 1-1. The cross-shaped iron sheet 1-1 is spliced ​​by two iron sheets vertically intersecting. The cross-shaped iron sheet...

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Abstract

The invention discloses an excavation face bottom settlement deformation monitoring device and a use method thereof. The upper end of a sleeve is provided with a protective cover, the lower end of the sleeve is filled with a filling material, a plurality of aluminum rods connected by aluminum rod joints are arranged in the sleeve, one end of the aluminum rod is connected to a head of the monitoring device, the head 1 of the monitoring device passes through the filling material and extends out of the sleeve, the end of a leveling rod is provided with a joint connected to the other end of the aluminum rod, the end of the leveling rod is connected to the leveling rod, and a level bubble device is installed on the aluminum rod close to the excavation face. The device solves the problem that the excavation face bottom settles in the case of no slope making and excavation, accurately measures the settlement amount of an excavation bottom face and an excavation bottom face settlement change rate and provides important reference base for judging the safety situation of excavation.

Description

technical field [0001] The invention relates to an excavation surface settlement deformation monitoring device, in particular to an excavation surface bottom settlement deformation monitoring device. The invention also relates to a method for using the subsidence deformation monitoring device at the bottom of the excavation face. Background technique [0002] With the rapid development of the national economy, the skyline of the city is getting higher and higher, and the buildings are getting denser and denser. Correspondingly, more and deeper foundation pits need to be excavated. Excavation will cause uplift at the bottom of the foundation pit. If not controlled, it will endanger the safety of the support system and cause the surface of the surrounding area to subside, and even cause engineering accidents. Therefore, the settlement of the soil at the excavation surface must be strictly monitored during the construction process. When the vertical height of the existing mea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00
CPCG01C5/00Y02A90/30
Inventor 张健刘五一周中涂怀建常彦博王建辉于永军张彬然
Owner SINOHYDRO BUREAU 8 CO LTD
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