Determination method and test device for hydraulic conductivity of structural surface

Abstract

The invention aims to solve the technical problems that the existing in-situ test experiment can only acquire the total permeability parameters of all structural planes of a drilling pressurized-water section, and does not refer to a single structural plane, therefore, the difficulty of permeability characteristic quantitative characterization of single and crossed structural plane is not solved, the existing in-situ test experiment requires extremely high seal performance of a bolt plug, and thus the whole equipment is complex in manufacturing technology and operation flow, is high in cost capital consumption, and restricts the wide-range popularization of the bolt plug test and the like. The technical scheme adopted by the invention is that a structural plane transmission coefficient test device comprises a host machine system, a power supply system, a water supply system and a sealing system; the power supply system supplies power for the host machine system, the water supply system and the sealing system; the water supply system supplies water for the sealing system; the sealing system extends into a geological structure plane to measure, and transmits the measured data to the host machine system.

Description

technical field [0001] The present invention relates to a structural surface hydraulic conductivity test device, especially a device that can be used for the in-situ measurement of the permeability parameters of many geological structural surfaces such as rock mass fissures (single, multiple, crossed), joint-intensive areas, fault fracture zones, etc. At the same time, it is a structural surface hydraulic conductivity test device suitable for measuring the permeability parameters of geological materials such as cohesive soil, sandy soil, gravel and concrete; the present invention also relates to a method for determining the structural surface hydraulic conductivity, especially a method that can be used for In situ measurement of permeability parameters of rock mass fissures (single, multiple, crossed), joint-intensive areas, fault fracture zones, etc. Method for determination of hydraulic transmissivity of geological structural surface by parameter measurement. Background te...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: the existing in-situ test can only obtain the overall seepage parameters of all structural surfaces in the pressurized water section of the borehole, and does not aim at a single structural surface, so the quantification of the seepage characteristics of a single and intersecting structural surface has not been solved Difficulties in characterization, and the existing in-situ test tests have extremely high requirements on the sealing performance of embolism, which makes the manufacturing process of the whole set of equipment complicated, the operation process is cumbersome, and the cost is huge, which limits the large-scale popularization and application of embolism tests.

Images