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River channel box culvert/buried culvert desilting method

A technology for box culverts and river channels, which is applied to earth movers/excavators, construction, etc., can solve problems such as high risk, low efficiency, and inability to work, and achieve the effects of reducing construction environmental risks and improving work efficiency and construction quality

Inactive Publication Date: 2022-01-04
CCCC FIRST HIGHWAY CONSULTANTS +1
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Problems solved by technology

[0006] In view of this, the present invention solves the problems of manual dredging of existing river channel box culverts / culverts, which is inefficient, relatively risky, prone to safety accidents, and the robot dredging operation process is easy to get stuck in the quagmire and cannot work, and provides A method for dredging river channel box culverts / concealed culverts

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  • River channel box culvert/buried culvert desilting method
  • River channel box culvert/buried culvert desilting method
  • River channel box culvert/buried culvert desilting method

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] This embodiment provides a method for dredging river channel box culverts / culverts, including the following steps:

[0034] (1) Ventilation and gas detection evaluation: Ventilate before construction, entrust a unit with relevant professional testing qualifications to test, drill a hole in the middle (25m) of the construction section (50m), the hole diameter is 4cm, and a 1-inch hose is inserted In the box culvert, the gap between the insertion hose and the hole wall is blocked by cement mortar. The insertion depth is determined according to the height of the box culvert / hidden culvert. Wit...

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Abstract

The invention belongs to the technical field of river channel desilting, and particularly relates to a river channel box culvert / buried culvert desilting method. The problems that an existing river channel box culvert / buried culvert is manually desilted, the efficiency is low, the risk is large, safety accidents are likely to happen, and a robot easily sinks into a mire in the desilting operation process and cannot work are solved. The river channel box culvert / buried culvert desilting method provided by the invention includes the steps of (1) ventilation and gas detection and evaluation, (2) top plate trepanning of the box culvert / buried culvert, (3) arrangement of a ventilation opening, an entrance and exit and an escape exit, (4) installation of lighting equipment, (5) arrangement of a cofferdam, (6) desilting of the box culvert / buried culvert, and (7) hole recovery and building and equipment dismantling.

Description

technical field [0001] The invention belongs to the technical field of river channel dredging, and in particular relates to a method for dredging channel box culverts / concealed culverts. Background technique [0002] In my country, there are a large number of box culverts / hidden culverts in urban rivers with highly developed urbanization, and dredging of box culverts / hidden culverts is a difficult point in the comprehensive improvement of river water environment. [0003] Due to the long-term airtightness in the box culvert / hidden culvert, domestic sewage and industrial wastewater are often secretly discharged here. Over the years, the box culvert / hidden culvert has silt deposits and emits stench, which affects the flow of river water and pollutes the water quality of downstream rivers. One of the important reasons for repeated water quality and poor water quality in rainy seasons. [0004] In order to remove the pollution from the source and ensure the regular water qualit...

Claims

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Application Information

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IPC IPC(8): E02F5/28
CPCE02F5/28
Inventor 胡林单永体张博尹静林涛于慧卿王琦张梦利马盼盼景俏丽
Owner CCCC FIRST HIGHWAY CONSULTANTS
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