Construction method of diversion channels for ecological management of riverway

A technology for ecological management and construction methods, applied in chemical instruments and methods, artificial waterways, marine engineering, etc., can solve problems affecting urban ecological environment, river pollution, etc., achieve long service life, ensure adaptability, and improve carrying capacity. Effect

Inactive Publication Date: 2021-08-10
无锡本源建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, the sewage used by residents in the urban community is directly discharged into the river, causing most of the urban river to be polluted and affecting the entire urban ecological environment

Method used

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  • Construction method of diversion channels for ecological management of riverway
  • Construction method of diversion channels for ecological management of riverway
  • Construction method of diversion channels for ecological management of riverway

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment one: comprise the steps:

[0033] Step 1: pumping water from the cofferdam, constructing a cofferdam dam body on the upper and lower reaches of the river channel 1 in the construction area, and then pumping water to the river section of the cofferdam to carry out the dry pond operation. Construction ready.

[0034] Step 2: Terrain shaping. After the cofferdam pumping is completed, perform terrain correction on the construction area, such as image 3 As shown, the ground is leveled in the central area of ​​the river channel 1 and a backfill soil layer 7 is set, and aquatic plants 8 are planted in the backfill soil layer 7 to form an underwater forest and improve the ecological purification capacity of the river water; at the same time, the two sides of the river channel are selected to be close to the hard revetment The area of ​​6 is the construction area of ​​the diversion canal, where the elevation and compactness of the soil are corrected in the construct...

Embodiment 2

[0043] Embodiment two: comprise the steps:

[0044] Step 1: pump water from the cofferdam, build a cofferdam dam body on the upper and lower reaches of the river in the construction area, then pump water from the river section of the cofferdam, and carry out dry pond operations. be prepared.

[0045] Step 2: Terrain shaping. After the cofferdam pumping is completed, perform terrain correction on the construction area, such as figure 2 As shown, the ground is leveled in the central area of ​​the river channel 1 and a backfill soil layer 7 is set, and aquatic plants 8 are planted in the backfill soil layer 7 to form an underwater forest and improve the ecological purification capacity of the river water; The area of ​​6 is the construction area of ​​the diversion canal, where the elevation and compactness of the soil are corrected in the construction area of ​​the diversion canal to prepare for the construction of cement mixing piles.

[0046] Step 3: Construction of cement m...

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Abstract

The invention relates to the technical field of river ecological management, in particular to a construction method of diversion channels for ecological management of a riverway. The construction method comprises the following steps of cofferdam water pumping, terrain shaping, cement mixing pile construction, diversion canal construction, hard revetment and diversion canal connection construction and lift pump well construction. The diversion channels are arranged on the two sides of the river channel, sewage polluting the river channel is intercepted, collected and purified through the diversion channels on the two sides of the river channel, the ecological environment of the urban river channel is not damaged, and the regional water environment is greatly improved; and a sealed sewage conveying channel is formed between the diversion channels and a hard revetment, and cement mixing piles are arranged at the bottoms of the diversion channels for reinforcement treatment, so that on one hand, a waterproof curtain is formed to block underground water leakage, and on the other hand, a composite foundation is formed to improve the bearing capacity of the foundation and prevent leakage caused by later settlement of the diversion channels.

Description

technical field [0001] The invention relates to the technical field of river channel ecological control, in particular to a construction method for a river channel ecological control diversion channel. Background technique [0002] In the process of economic development and urban construction, the rapid urbanization process has led to the discharge of a large amount of domestic sewage and industrial wastewater into the river. The pollution of rivers and lakes has become increasingly prominent. The pollutants contained in the water body have seriously exceeded its self-purification capacity, which has accelerated the fragmentation of water ecological functions. Since 2015, the State Council and the Ministry of Housing and Urban-Rural Development have successively promulgated government documents such as the "Water Pollution Prevention and Control Action Plan" ("Water Ten Measures") and the "Guidelines for Urban Black and Odor Water Treatment", demonstrating my country's determ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/02E02B3/06E02D5/30E02D31/02E02B3/16C02F1/00
CPCC02F1/001E02B3/06E02B3/16E02B5/02E02D5/30E02D31/02E02D2300/002
Inventor 刘水
Owner 无锡本源建设工程有限公司
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