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Installation structure and construction method of inspection well

A technology for installing structures and inspection wells, which is applied in basic structure engineering, underwater structures, excavation, etc., can solve problems affecting the safety of vehicles and pedestrians, loose roadbeds, sinking sites, etc., to reduce settlement, increase stability, The effect of reducing the impact

Active Publication Date: 2021-02-26
中基华工程管理集团有限公司
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  • Abstract
  • Description
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Problems solved by technology

When backfilling the roadbed during the installation of the inspection well, the roadbed around the inspection well is relatively loose because the compaction machine cannot approach the surroundings of the inspection well at close range for compaction. The pavement structure will gradually sink, and under the action of vehicles and pedestrians, the road surface around the manhole cover will sink and crack, which will affect the safety of vehicles and pedestrians.

Method used

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  • Installation structure and construction method of inspection well

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0042] An installation structure for an inspection well, such as figure 1As shown, the installation structure is used to install the inspection well 51 on the road base 1 , and the top surface of the road base 1 is laid with an asphalt pavement 2 . The installation structure includes a first foundation pit 3 and a second foundation pit 4. The first foundation pit 3 is set on the subgrade 1. The first foundation pit 3 includes a first upper foundation pit 31, a first lower foundation pit 32, and a first lower foundation pit 3. The inner side wall of the foundation pit 32 is set on a conical surface, and the angle between the inner side wall of the first lower foundation pit 32 and the vertical plane is 10°, the first upper foundation pit 31 is located above the first lower foundation pit 32, and the first upper foundation pit 32 The inner side...

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Abstract

The invention relates to an inspection well installation structure and a construction method thereof, belonging to the technical field of inspection well construction, comprising a first foundation pit, a second foundation pit, and a base arranged in the first foundation pit, and the inspection well is installed on the base , a well base is installed on the top of the inspection well, a well cover is installed on the well base, a plurality of columns are arranged between the inspection well and the side wall of the first foundation pit, and a pressure ring is detachably installed on the top of the column, and the side wall of the first foundation pit There is a lower foundation soil layer below the bearing ring between the inspection well and the outer peripheral surface of the inspection well, and an upper foundation soil layer is arranged above the pressure bearing ring between the side wall of the foundation pit and the outer peripheral surface of the inspection well, and the well seat and the second foundation pit There is an asphalt layer in between. The thickness of the upper foundation soil layer above the bearing ring is relatively thin, and it is easy to compact the upper foundation soil layer. However, when the lower foundation soil layer below the bearing ring subsides, the pressure bearing ring will not follow the lower foundation soil under the support of the column. The subsidence of the base soil layer reduces the occurrence of settlement and cracking of the road surface around the manhole cover.

Description

technical field [0001] The invention relates to the technical field of inspection well construction, in particular to an installation structure of an inspection well and a construction method thereof. Background technique [0002] The inspection well is set up for the convenience of installation and maintenance of the power supply, water supply, drainage, communication and other lines of the underground infrastructure. At a certain distance, it is convenient for regular inspection of ancillary structures. When backfilling the roadbed during the installation of the inspection well, the roadbed around the inspection well is relatively loose because the compaction machine cannot approach the surroundings of the inspection well at close range for compaction. The pavement structure will gradually sink, and then under the action of vehicles and pedestrians, the road surface around the manhole cover will sink and crack, which will affect the safety of vehicles and pedestrians. C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/12E02D17/06E02D17/08E02D17/12
CPCE02D17/06E02D17/08E02D17/083E02D17/12E02D29/12E02D29/125
Inventor 王睿卓崔亦杰
Owner 中基华工程管理集团有限公司
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