Rock joint shearing-seepage coupling test system

A technology of rock joints and test systems, applied in the field of test systems, can solve problems such as too small seepage water pressure, achieve the effects of reducing test costs, saving processing time, and improving work efficiency

Inactive Publication Date: 2007-10-24
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shear-seepage coupling test of rock joints at home and abroad usually has two problems: the seepage water pressure value is too small and the radial water flow pattern

Method used

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  • Rock joint shearing-seepage coupling test system
  • Rock joint shearing-seepage coupling test system
  • Rock joint shearing-seepage coupling test system

Examples

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Embodiment Construction

[0021] The rock joint shear-seepage coupling test system of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] As shown in Figure 1, the rock joint shear-seepage coupling test system of the present invention includes a shear cell, a test force loading and displacement measurement device, an opening measurement device, a seepage detection device and a computer.

[0023] cut box

[0024] As shown in Figures 2a-2c, the shear box 1 is composed of a lower box 3, an upper box 4, a water inlet pipe 5, and a water outlet pipe 6, and the wall plates constituting the shear box 1 are all made of steel plates.

[0025] Lower box 3 is made up of front wall plate 31, rear wall plate 32, left wall plate 33,34, right wall plate 35,36 and lower wall plate 37: front wall plate 31 and rear wall plate 32 are size, thickness all identical Two steel plates, arranged symmetrically; the left wall plates 33, 34 and th...

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Abstract

A rock shearing-influent couple test system comprises a shearing box, a test force loading and displacement testing device, an open measurer and a computer, wherein the shearing box comprises a water inlet channel and a water outlet channel. The invention is characterized in also composed of an influent detector comprising a water inlet device and a water outlet flux measurer, the water inlet device is communicated with the water inlet of the water inlet channel, the water outlet flux measurer is communicated with the water outlet of the water outlet channel. When processes rock shearing-influent couple test, the invention can freely change the volume and change method of tangent force, normal force and water pressure, as well as obtain the open change, tangent displacement and flux, while the data can real represent the force state, without multiple devices, to reduce cost, save time, save following data treatment time, and improve working efficiency.

Description

technical field [0001] The invention relates to a test system for rock joint shear-seepage coupling test. Background technique [0002] When the rock mass in nature is subjected to external force, structural surfaces such as joints and fissures will be produced. When the intact rock in a certain area is broken by external force, a pair of joint surfaces will be formed. There are usually two problems in the shear-seepage coupling test of rock joints at home and abroad: too small seepage water pressure and radial water flow. The osmotic water pressure value is too small, and the water head height is only more than 2m. Under low osmotic pressure, the sealing of the shear box is relatively easy to realize, but the maximum water head height in actual engineering even exceeds 1000m, and it is difficult to seal the shear box; while the radiation The seepage mode of the flow is to inject water from the center of the joint surface to flow to the surroundings. As long as the continuo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24G01N33/00G01N3/00
Inventor 夏才初王伟蔡永昌赵旭李宏哲杜良平
Owner TONGJI UNIV
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