Pressure pipeline leakage detection pipe ditch for collapsible loess regions

A technology for collapsible loess and pressure pipes, which can be applied to sewer systems, waterway systems, climate change adaptation, etc., and can solve problems such as the inability to meet the protection distance of pressure pipes
CN102561501AInactive Publication Date: 2012-07-11中铝国际技术发展有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
中铝国际技术发展有限公司
Publication Date
2012-07-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a pressure pipeline leakage detection pipe ditch for collapsible loess regions. A plant pressure pipeline is disposed in a leakage detection pipe ditch (1), the top of the leakage detection pipe ditch (1) is provided with vent holes (4) and leakage detection wells (3), the bottom of the leakage detection pipe ditch (1) is provided with water collection wells (2), and a drain pipe (7) is disposed in each water collection well (2) and connected with a rainwater inspection well (5). Leaking water from the pressure pipeline is finally drained to a sewage treatment station for treatment or drained out of a plant through plant rainwater drain pipelines (6). By using the pressure pipeline leakage detection pipe ditch, the problem of water leakage of the pressure pipelines in the collapsible loess region is solved, the deficiencies of standard atlas of leakage detection pipe ditches in the collapsible loess regions can be complemented, and the pressure pipeline leakage detection pipe ditch has the advantages of safety, practicality and the like.
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Description

technical field

[0001] The invention relates to a leak detection ditch for a pressure pipeline in a collapsible loess area. Background technique

[0002] Collapsible loess is a relatively common engineering geological condition in Northwest my country. Its soil characteristics and engineering hazards show that when it is soaked in water, it will cause the loess to have a humidification and softening effect, and the strength of the soil will be significantly reduced. Under the pressure of the soil's own weight, it will cause collapsible deformation, and it is a kind of loess with a large amount of subsidence and a fast subsidence speed. The unstable deformation of collapsible loess is extremely harmful to buildings, so it is necessary to solve the problem of leak detection of water supply and drainage pipes.

[0003] The landform of an electrolytic aluminum plant in Shaanxi is loess tableland, and the whole factory area is half-filled and half-dug non-rock slope. Except for t...

Claims

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