Penetrating jointed rock mass hydraulic fracturing extension destruction device and test method

A jointed rock mass and hydraulic fracturing technology, which is applied in the direction of measuring devices, using stable tension/pressure testing material strength, instruments, etc., can solve the problem of poor hydraulic pressure monitoring accuracy, the existence of test pieces, and the inability to adapt to test pieces Specifications and other issues, to achieve the effect of convenient operation of the device, ensuring the accuracy of water pressure, and increasing practical performance

Pending Publication Date: 2022-01-21
CHINA RAILWAY 14TH BUREAU GRP 1ST ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present disclosure is to provide a hydraulic fracturing expansion and destruction device and test method for penetrating jointed rock mass, so as to solve the problems in the prior art that th

Method used

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  • Penetrating jointed rock mass hydraulic fracturing extension destruction device and test method
  • Penetrating jointed rock mass hydraulic fracturing extension destruction device and test method
  • Penetrating jointed rock mass hydraulic fracturing extension destruction device and test method

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Example Embodiment

[0037] Example 1

[0038] like Figure 1 - Figure 3 As shown, the present embodiment provides a typical type of water pressure, a typical penetration of the rock mass, including a sealing fixture, and an injection apparatus for providing a water pressure for the sealing fixture, and the water injection port of the water injection device. Water pressure monitoring sensor 19;

[0039] The sealing fixture includes a bracket, a bracket comprising two symmetrical arranged rectangular frames and a bolt rod 24 connected to the two rectangular frames, including vertical struts 4 and longitudinal struts 3, vertical struts 4 and longitudinal pillars 3 are scalable; screw rod 24 has a set length, selecting the size of the rock body test piece 1 when selecting; vertical struts 4 and longitudinally adjustable bolts 8, respectively, respectively, by screwing bolts, respectively. The stretch 4 and the longitudinal pillar 3 are elongated or shortened, and the specific structure is prior art, which...

Example Embodiment

[0051] Example 2

[0052] This embodiment provides a test method of a water pressure cracking of the jet rock mass water pressure based on the first embodiment, characterized in that the steps of:

[0053] Step 1, placing the jaw rock body test piece 1 between the two organic glass plates 10, and apply a rubber-shaped filler in the edge of the jet body test piece 1 and the plane of the glass plate 10, and the rock body test piece is fixed by a telescopic bracket. 1 to the real state;

[0054] Step 2, through the water pipe 21 in the water injection port 2, the injection port 2 of the sealing clamp is connected, and the pressurized water pump is sent to the jerger rock body test piece 1 by the stepping motor 13, and the exhaust water outlet 22 will be opened. The air is discharged in the sealed clamp, and then blocking the exhaust water outlet 22;

[0055] Step 3, acquire the water pressure data by the water pressure monitoring sensor 19 to the control data, and transmit the water ...

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Abstract

The invention relates to a rock mechanics test device, in particular to a through jointed rock mass hydraulic fracturing extension destruction device which comprises a sealing clamp and a water injection device for providing set water pressure for the sealing clamp, and a water pressure monitoring sensor is arranged at a water outlet of the water injection device; the sealing clamp comprises a support, the support comprises two symmetrically-arranged rectangular frames and a bolt rod connecting the two rectangular frames, each rectangular frame comprises a vertical supporting column and a longitudinal supporting column, and the vertical supporting columns and the longitudinal supporting columns are telescopic. A flat plate is arranged on the vertical supporting columns and the longitudinal supporting columns of the rectangular frame on each side, a space for placing a jointed rock mass test piece is formed between the flat plates on the two sides, a water injection port is formed in one flat plate, and an exhaust water outlet is formed in the other flat plate. The technical scheme disclosed by the invention can be suitable for test pieces with different sizes, and ensures that no air exists in the test pieces during the test.

Description

technical field [0001] The disclosure relates to a rock mechanics test device, in particular to a hydraulic fracturing expansion and destruction device for penetrating jointed rock mass. Background technique [0002] The statements herein merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Most of the rock mass structures in nature have micro-cracks, joints and cavities, and the rock masses are composed of various mineral components, resulting in differences in anisotropy of the rock mass structure, especially in underground engineering or high ground stress conditions. There is often a certain amount of fissure water inside the rock mass structure, which has a direct effect on the stability of the rock mass, and in tunnel excavation or deep underground mining activities, external load disturbances often affect the internal water pressure of the jointed rock mass , Most projects damage the rock mass d...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/02
CPCG01N3/12G01N3/02
Inventor 秦松陈云娟盛圣胜高涛杨帆李艳龙柯成林王乐宁刘吉昌刘效智
Owner CHINA RAILWAY 14TH BUREAU GRP 1ST ENG CO LTD
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