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Multipurpose pressurized water communication test method

A test method and technology of pressure water test, applied in water saving, suspension and porous material analysis, climate sustainability, etc., can solve problems such as low efficiency of survey work and waste of resources, so as to improve survey work efficiency and facilitate operation , The effect of accurate test results

Pending Publication Date: 2022-07-08
长江岩土工程有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

However, in engineering practice, the water pressure test continues with the drilling process. For example, when the groundwater, especially the confined water, is revealed during drilling, the water permeability test of the rock mass is only measured by the borehole. It is easy to cause waste of resources and inefficiency of survey work if it proves its hydraulic connection or fully exerts other functions

Method used

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  • Multipurpose pressurized water communication test method
  • Multipurpose pressurized water communication test method
  • Multipurpose pressurized water communication test method

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Embodiment

[0045] The present invention will now be described in detail by taking the application of the present invention to a water conservancy project in a certain place and a supporting irrigation area project preliminary geological survey project as an example, which also has a guiding role for the present invention to be applied to other engineering survey projects.

[0046] The bedrock confined water in the early stage of the project is one of the main engineering geological problems, and it is believed that the confined water will be detrimental to the stability of the dam.

[0047] The multi-purpose pressurized water connection test method in this embodiment, such as Figure 5 shown, including the following steps:

[0048] Step 1. Draw up a specific observation line;

[0049] The strike, inclination, inclination angle, filling characteristics, etc. of each structural plane are systematically collected on site in the engineering area. The structural planes are mainly cracks. One...

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Abstract

The invention discloses a multipurpose pressurized water communication test method. The method comprises the following steps: step 1, drawing up a specific observation line; step 2, arranging a pressurized water drill hole and an observation drill hole; 3, determining the position of a confined water test section of the confined water drill hole; step 4, carrying out a water pressing test; 5, synchronously observing the water level of the drill hole during the water pressure test; 6, test data are sorted, the pressure of the pressurized water drilling test section is drawn, and a curve graph of the relation between the drilling water level and time is observed. The device and the method have the advantages that a communication test can be synchronously carried out when a water pressure test is carried out, and rock mass confined water characteristics can be found out when rock mass permeability parameters are measured.

Description

technical field [0001] The invention relates to the field of water conservancy and hydropower engineering survey, more specifically it is a multi-purpose pressurized water connection test method, more specifically, it is based on the regularity of structural plane development, the anisotropy of permeability and the effect of pressure transfer, and the pressurized water test method Combined with the connection test, it can realize a multi-purpose method for measuring the permeability parameters of rock mass, and finding out the occurrence state of confined water and hydraulic connection of rock mass. Background technique [0002] In the construction of water conservancy and hydropower projects, anti-seepage treatment is the key to whether the reservoir can store water and whether it can be beneficial and whether the seepage of the dam is safe. There are various structural planes in the rock mass, and their engineering properties and permeability characteristics are anisotropi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
CPCG01N15/0826Y02A20/00
Inventor 黄振伟杜胜华冯建伟张必勇张玮鹏刘润方雷明张涛马力刚李理苏传洋
Owner 长江岩土工程有限公司
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