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Dismantling method for current rain and sewage confluence square ditch

A technology of current rain and square ditches, which is applied in waterway systems, buildings, building maintenance, etc., can solve the problems of driving safety hazards on main roads, holes in main roads, lack of support systems on road surfaces, etc.

Pending Publication Date: 2022-05-24
北京住总集团有限责任公司
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Problems solved by technology

When demolishing the original rainwater square ditch, part of the structure of the rainwater square ditch in some areas is embedded under the main road. However, the subsidence or subsidence of the road surface will cause huge safety hazards to driving on the main road, and there are few methods for removing such rainwater square ditches in the prior art. Therefore, the present invention aims to propose an efficient, risk-free, Removal method of rainwater square ditches that affect driving safety on main roads

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  • Dismantling method for current rain and sewage confluence square ditch
  • Dismantling method for current rain and sewage confluence square ditch
  • Dismantling method for current rain and sewage confluence square ditch

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Embodiment Construction

[0035] The following detailed description is given in conjunction with the accompanying drawings.

[0036] It should be noted that in the embodiments of the present invention and the accompanying drawings, X represents the first direction, and Y represents the second direction. The first direction and the second direction are directions that face each other, and for ease of understanding, the first direction preferably refers to North direction, the second direction preferably refers to the south direction.

[0037] Particularly, figure 1 An application scenario of a current rain and sewage confluence square ditch removal method of the present invention in a preferred embodiment is shown. Specifically, as figure 1 As shown, the application scenario includes an existing first rainwater square 10 to be demolished, a second rainwater square 20 planned to be built, a main road 30, a construction fence 1, a steel sheet pile support 2 and a curb 3. Further, if a new second rainwa...

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Abstract

The invention relates to a method for dismantling a current rain and sewage confluence square ditch, which is used for breaking an existing first rain water square ditch in a foundation trench, the first rain water square ditch is at least partially embedded in a rock-soil body below a main road, and the method at least comprises the following steps: respectively constructing a steel sheet pile support and a hanging net anchor-shotcrete support on one side of the foundation trench facing a first direction and a second direction; the foundation trench is excavated to the top of the first rainwater square ditch, and a hole is formed in a top cover plate of the first rainwater square ditch; the first rainwater square ditch is filled with a concrete mixture through the hole; and when filling of the concrete mixture is completed and the coagulation strength of the concrete mixture reaches a threshold value, chiseling is conducted from a top cover plate of the first rainwater square ditch, and excavation is continuously conducted to the bottom of the foundation trench.

Description

technical field [0001] The invention relates to the technical field of rainwater square ditch removal, in particular to a current rainwater and sewage combined square ditch removal method. Background technique [0002] With the acceleration of urban infrastructure construction, high-rise buildings continue to emerge in various places, and the buildings are increasingly dense, which is very likely to cause rainwater accumulation in rainy days, which will have a serious impact on people's lives and work. As a common drainage ditch in municipal road engineering, the rainwater square ditch is the primary condition to ensure that urban rainwater can be removed in time in rainy days, and its design and construction are the focus of engineering personnel, and the rainwater square ditch is also the most important modern municipal road project. One of the key foundations. [0003] The rainwater square ditch mainly includes a ditch body and a cover plate covered on the ditch body. T...

Claims

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Application Information

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IPC IPC(8): E03F3/04E04G23/08
CPCE03F3/04E03F3/046E04G23/08Y02A10/30
Inventor 贺现实王晓烨刘子杰付艳龙王志平王振鹏李占涛娄艳松张帅鹏
Owner 北京住总集团有限责任公司
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