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Construction method of underwater cutter suction dredging for urban ecological river

An ecological river channel and cutter-suction technology, which is applied in water conservancy projects, sea area projects, and river regulation, can solve problems such as the lack of discharge and utilization of silt, difficulty, increased construction of river dredging, etc., and achieve the goal of reducing excavation. Secondary pollution, effective efficiency, and the effect of saving labor costs

Active Publication Date: 2017-10-20
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, due to the influence of the river's own factors, the buildings on both sides and the erection of bridges, it has added great difficulty to the dredging construction of the river; the cleared silt cannot be effectively discharged and utilized

Method used

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  • Construction method of underwater cutter suction dredging for urban ecological river
  • Construction method of underwater cutter suction dredging for urban ecological river
  • Construction method of underwater cutter suction dredging for urban ecological river

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Embodiment Construction

[0046] Such as Figure 1 to Figure 6 As shown, a construction method for underwater cutter suction dredging of urban ecological rivers, the construction method includes the following steps: construction preparation → selection of dredger 1 → laying of mud delivery pipeline → setting of mud throwing field 5 → layout of lock box type Outlet 13 → Arrangement of mud inlet 14 → Cutter suction dredger 1 desilting → Draining field 5 drainage consolidation and silt transport, the specific process is as follows:

[0047] (1) Construction preparation: first organize the surveyors to lay out the survey wires, protect the survey control points, re-measure the underwater topography of the original river, and draw a cross-sectional map at a distance of 25m; The zero point of the ruler is consistent with the design elevation of the river bottom, and special personnel are assigned to record, organize and summarize, and report the water level to the dredger 1 in time to control the dredging de...

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Abstract

The invention discloses an underwater cutter-suction type dredging construction method for an urban ecological river. The construction method includes the following steps of construction preparation, selection of a dredger, laying of a sludge conveying pipeline, arrangement of a sludge throwing field, laying of a chamber type drain opening, laying of a sludge inlet pipe opening, dredging through the cutter suction dredger, and drainage consolidation and outward sludge transportation of the sludge throwing field. The construction method is simple, easy to realize, scientific, convenient, high in work efficiency and wide in application range, and reduces labor cost. The construction method is mainly suitable for urban rivers and rural rivers wherein sludge is seriously piled up due to deposition of household refuse and construction waste, water and soil loss and the like, and is also suitable for dredging engineering, especially reclamation by pumping filling, of ports, rivers and lakes.

Description

technical field [0001] The invention relates to an underwater cutter suction dredging construction method of an urban ecological river course. Background technique [0002] Severe siltation of the river channel leads to poor discharge, which will cause floods to directly hit the river embankment, seriously threatening the lives and property safety of local residents. The smoothness of the river directly affects the flood discharge and flood control function of the river, especially in the annual flood season, which has higher requirements for the smoothness of the river. People realize that it is urgent to dredge the river course. However, due to the factors of the river itself, the buildings on both banks and the erection of bridges, it is very difficult to dredge the river; the cleaned silt cannot be effectively discharged and utilized. Carry out in-depth construction of urban and rural sewage and garbage treatment facilities, resolutely eliminate garbage rivers, and rem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/02E02F7/10
CPCE02B3/023E02F7/10
Inventor 刘学应杨安栋陈德波刘东哲
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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