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Quick installing and embedding device of concrete dam osmometer

A technology for concrete dams and piezometers, which is used in measurement devices, permeability/surface area analysis, suspension and porous material analysis, etc., can solve problems such as occupation of manpower and material resources, interference of rolling construction work, and damage to piezometers. Achieve the effect of avoiding nesting, improving effective use of time, and quick installation and burial

Pending Publication Date: 2019-03-22
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to avoid damage to the piezometer due to rolling construction, the original installation method requires digging, backfilling sand, and landfilling to install and bury the piezometer after the rolling has exceeded the installation and embedding elevation by about 30cm. The excavation of concrete requires a certain amount of manpower and material resources, and at the same time brings interference to the subsequent rolling construction work

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  • Quick installing and embedding device of concrete dam osmometer

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Embodiment

[0030] As mentioned above, a concrete dam piezometer fast installation and embedding device, including observation structure: observation cable 1, observation piezometer 4, permeable structure: galvanized steel pipe 2, geotextile 3, dense medium coarse sand 5, anti-corrosion Fine particle structure: geotextile 3, anti-leakage structure: geotextile 3, bottom cover 6.

[0031] Specifically, after the observation cable 1 and the observation piezometer 4 are connected to the secondary instrument, the sensor reading can be directly read and converted into water pressure; the galvanized steel pipe 2 is directly in contact with the outside world, and the connected water can reach through the hole. The geotextile 3 with good rigidity and water permeability is then penetrated into the dense medium-coarse sand 5 to reach the piezometer 4 for observation;

[0032] Preferably, after smearing Vaseline or butter on the bottom cover 6 and sealing it, fasten it tightly on the galvanized steel...

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Abstract

The invention provides a quick installing and embedding device of a concrete dam osmometer. The quick installing and embedding device comprises a galvanized steel pipe, wherein holes are uniformly formed in the surface of the galvanized steel pipe; a bottom cover is arranged on one end of the galvanized steel pipe, and one surface of the bottom cover is embedded in the galvanized steel pipe and istightly connected with the galvanized steel pipe; geotechnical cloth is arranged on the inner wall of the galvanized steel pipe, and the galvanized steel pipe is internally filled with dense medium-coarse sand; an observation osmometer is embedded in the dense medium-coarse sand, an observation cable is arranged on one end of the observation osmometer, and one end of the observation cable is exposed outside the galvanized steel pipe. According to the quick installing and embedding device disclosed by the invention, quick installing and embedding of the dam osmometer can be realized, the interference of installing and embedding construction of the dam osmometer to dam construction, particularly the interference to dam roller compacted concrete construction, can be avoided, the effective utilization time of a compacting machine is increased, and unnecessary idling of labor force is avoided; meanwhile, the installing and embedding efficiency of the osmometer is increased, and the safetyrisk brought by cross operation is reduced.

Description

technical field [0001] The invention relates to a quick installation and embedding device for a concrete dam piezometer, which belongs to the technical field of dam seepage pressure monitoring. Background technique [0002] Osmotic pressure monitoring is one of the necessary monitoring contents for dam working status identification. In recent years, many RCC dams have been developed and constructed in my country. Therefore, it is of great significance to quickly install buried piezometers and reduce interference with other construction processes. [0003] In order to avoid damage to the piezometer due to rolling construction, the original installation method requires digging, backfilling sand, and landfilling to install and bury the piezometer after the rolling has exceeded the installation and embedding elevation by about 30cm. The excavation of concrete requires a certain amount of manpower and material resources, and at the same time brings interference to the subsequent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
CPCG01N15/0826
Inventor 陈正威金城崔秀伟于保宽蒋剑张秀鑫刘德华
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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