In-situ communicating method of beheaded river

An in-situ, river channel technology, applied in river remediation and other directions, can solve problems such as difficulty, high operation and maintenance cost, and low operation and maintenance cost, and achieve the effect of short construction period, low engineering investment, and low operation and maintenance cost.

Inactive Publication Date: 2016-12-07
SUZHOU UNIV
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  • Abstract
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Problems solved by technology

[0004] The present invention aims at the problems existing in the connection management of the Duantou River in the existing urban built-up areas, such as great difficulty, large investment, high operation and maintenance cost, poor connection effect, etc., and provides a simple and easy operation with good connection effect, low engineering investment, and low construction cost. Short construction period and low operation and maintenance cost in-situ connection method of Duantou River

Method used

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  • In-situ communicating method of beheaded river
  • In-situ communicating method of beheaded river
  • In-situ communicating method of beheaded river

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Embodiment 1

[0013] The length of Duantou River applicable to the present invention is generally not more than 500 meters.

[0014] See attached figure 1 and 2 , which are the schematic diagram of the channel structure and the topological structure diagram before transformation; figure 1 Among them, there is a dead-headed river 2 on one side of the main channel 1, and the water flow line 3 in the main channel. Depend on figure 2 As can be seen from the topological structure diagram, a main channel and a Duantou River originally had a topological structure of 4 points and 3 lines. Since the water head is the driving force of water flow, in the AB section of the main river, the water flows from point A with a high water head to point B with a low water head; while in the CD section of the Duantou River, there is no head difference between points C and D, so the formation of backwaters. Therefore, the flow line 3 only occurs in the AB section of the main channel.

[0015] See attached ...

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Abstract

The invention discloses an in-situ communicating method of a beheaded river. A topology diversion wall is arranged in the center position of the beheaded river with a width of B; one end of the diversion wall is started from the position B / 2 away from the end of the beheaded river, and the other end is connected with a main river channel bank wall; and the diversion wall is higher than a highest level line of a river channel. The in-situ communicating method arranges the topology diversion wall, and changes the main river channel and the beheaded river from a traditional 4-point 3-line topology structure to a 2-point 1-line topology structure, so that water currents flow on the topology structure of one through line, and the communicating running water of a main river and the beheaded river is realized. The in-situ communicating method of the beheaded river is simple and feasible, is excellent in communicating effect, saves the engineering investment, is short in construction period, is low in operation and maintenance costs, and has the popularization and application prospect.

Description

technical field [0001] The invention relates to a method for connecting running water of Duantou River in urban built-up areas. Background technique [0002] The task of urban river water environment management is very heavy, and connecting the Duantou River to achieve smooth flow of water is one of the extremely important governance measures. At present, the methods for connecting the Duantou River to running water mainly include the following: one is to connect the Duantou River with other Duantou Rivers (or other main rivers); the other is to connect the Duantou River with the Laying pipelines and constructing pumping stations between other Duantou Rivers (or other main rivers) to achieve connectivity (see the literature "Application and Analysis of Pipe Jacking Technology in Duantoubang Opening Project", [J] Water Science and Technology, 2013 04); the third is to inject water into the pumping station. The water inlet of the diversion pumping station is placed upstream o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/02
CPCE02B3/02
Inventor 赵华菁
Owner SUZHOU UNIV
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