CN202735333U - Fractured rock mass seepage and stress and deformation coupling in-situ test device - Google Patents
Fractured rock mass seepage and stress and deformation coupling in-situ test device Download PDFInfo
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- CN202735333U CN202735333U CN 201220148503 CN201220148503U CN202735333U CN 202735333 U CN202735333 U CN 202735333U CN 201220148503 CN201220148503 CN 201220148503 CN 201220148503 U CN201220148503 U CN 201220148503U CN 202735333 U CN202735333 U CN 202735333U
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Abstract
The utility model discloses a fractured rock mass seepage and stress and deformation coupling in-situ test device which is a high-pressure waterpower test device. According to the device, permeability tests under different pressure conditions are carried out on a given fracture penetrating through a dill hole through drilling, test waterpower pressure, seepage flow and fracture stress deformation can be synchronously tested and collected, and data are stored. Drilling is carried out on a rock body at a fracture position, a packing capsule is vertically filled in a drilling hole, and a testing section is reserved at the fracture position. A pressure sensor arranged on a second high-pressure pump pipe is connected into the packing capsule, and the packing capsule is pressurized to enable the packing capsule to be closely combined with a hole wall. A flow sensor and a pressure sensor are arranged on a first high-pressure pump pipe, and a first high-pressure pump carries out a high-pressure waterpower test for the testing section in the drilling hole. An observation hole is drilled in the rock body, a multipoint displacement anchor head and a strainmeter are arranged in the observation hole, the anchor head is connected with a displacement sensor, and the displacement sensor, the flow sensor and the pressure sensor are respectively assessed to a data acquisition storage instrument and a computer.
Description
Technical field
The utility model belongs to the Seepage of Rock Masses characteristic research field in the rock mass mechanics, relate to the test of crack rock high-pressure hydraulic and the relevant observation methods such as ess-strain, flow and displacement, specifically, relate to a kind of Flow In Jointed Rock Masses, stress, Coupling Deformation in-situ test device.
Background technology
The major parameter of rock hydraulics is the hydraulic performance in single crack and the equivalent hydraulic performance of rock mass, and the relationship of the two is close.The Penetration Signature of the sillar between crack and crack is the basic parameter that consists of the rock mass permeability tensor.Fissure permeability or hydraulic conductivity depend on that the geometric properties of fissure-plane is poor as rising and falling, roughness, gap length etc., the latter only can measure more exactly in testing laboratory, and the impact relation on the hydraulic conductivity in crack is extremely complicated, so, generally the sample by typical crack carries out seepage tests, to measure its hydraulic conductivity.
And the correction of cube theorem in dull and stereotyped crack, coarse crack cube theorem all is to be achieved by shop experiment.Because the restriction of specimen size and the disturbance in the sample making course can not reflect the roughness in crack, initial gap length and possible stuff fully.
In the rock cranny hydraulics test research in the past, the shop experiment of Single Fracture small scale test specimen is in the majority, seepage flow, stress test under the normal stress condition are in the majority, how much of fissure-plane are representative not enough, lack on-the-spot crack rock at certain primary stress and seepage flow, the stress coupling test unit considered under the fracture seepage deformation condition.
Summary of the invention
The purpose of this utility model is to overcome the weak point of existing background technology, a kind of on-the-spot Flow In Jointed Rock Masses, ess-strain, Coupling Deformation in-situ test device are provided, by boring permeability test under the different pressures condition is carried out in the given crack of passing through boring, but synchro measure, acquisition test hydraulic pressure, seepage discharge and crack distortion, and the high-pressure hydraulic test unit that carries out the data storage.
The utility model solves its technical matters by the following technical solutions: a kind of Flow In Jointed Rock Masses, stress, Coupling Deformation in-situ test device, mainly be to locate in the crack, fill up and down the packing capsule in the boring, test section is stayed at the place, crack, the packing capsule that drilling rod penetrates boring inserts test section, high-pressure hydraulic pump two pipes are provided with pressure transducer access packing capsule, two pairs of packing capsule pressurizations of high-pressure hydraulic pump, packing capsule and hole wall are combined closely, high-pressure hydraulic pump one pipe is provided with flow sensor, pressure transducer also accesses drilling rod, and high-pressure hydraulic pump one is by the test section pressurization waterpower of drilling rod to boring; The place, crack establishes multi-point displacement anchor head and strainometer in the viewport, anchor head connects displacement transducer.
And displacement transducer, flow sensor, pressure transducer respectively access data gather memory instrument.
And water tank access high-pressure hydraulic pump one is connected to pressure regulator valve, tensimeter on high-pressure hydraulic pump one pipe.
Described rock mass viewport is more than 1 or 1.
The utility model compared with prior art also has following major advantage:
1, because a kind of Flow In Jointed Rock Masses of the utility model, stress, Coupling Deformation in-situ test device, improve traditional sample that passes through typical crack and carried out seepage tests, obtain the geometric properties of the fissure-plane of fissure permeability at measurement in lab, measure hydraulic conductivity, the utility model site test system, seepage pressure, the seepage flow flow, the synchro measure of stress deformation displacement is finished, overcome shop experiment because the restriction of specimen size and the disturbance in the sample making course, the roughness that can not reflect the crack fully, initial gap length and possible stuff, and the shop experiment of Single Fracture small scale test specimen is in the majority, how much representative not enough problems of fissure-plane.
2, owing to a kind of Flow In Jointed Rock Masses of the utility model, stress, Coupling Deformation in-situ test device, by boring permeability test under the different pressures condition is carried out in the given crack of passing through boring, and by boring viewport to passing through the given crack in hole, but synchro measure, acquisition test hydraulic pressure, seepage discharge and crack distortion, and carry out the high-pressure hydraulic test that data are stored.
3, because the utility model adopts at the scene place, crack boring, and in the hole, fill up and down the packing capsule, test section is stayed at the place in the crack, when the water under high pressure pump line pressurizes to the packing capsule, packing capsule and hole wall are combined closely, high-pressure hydraulic pump carries out flow high-pressure hydraulic test by drilling rod to the test section in the boring, is provided with flow sensor, pressure transducer on the water under high pressure pump line, but synchro measure seepage discharge, pressure.
4, because at the scene place, crack boring pressurization hydraulic test of the utility model, near boring, bore simultaneously viewport, the place, crack establishes accrued in viewport, and establish the multi-point displacement anchor head, and connect displacement transducer, when hydraulic test is pressurizeed in boring, both can measure crack ess-strain amount, also can measure the crack deformation displacement, coupled characteristic is measured, and displacement transducer, flow sensor, pressure transducer access data is gathered memory instrument obtain measurement data.
Description of drawings
A kind of Flow In Jointed Rock Masses of Fig. 1 the utility model, stress, Coupling Deformation in-situ test apparatus structure schematic diagram.
Boring (1), viewport (2), displacement anchor head (3), strainometer (4), displacement anchor head (5), packing capsule (6), test section (7), rock cranny (8), drilling rod (9), displacement transducer (10), flow sensor (11), pressure transducer (12), tensimeter (13), pressure regulator valve (14), pressure regulation data acquisition memory instrument (15), computing machine (16), high-pressure hydraulic pump one (17), high-pressure hydraulic pump two (17 '), water tank (18).
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
See Fig. 1, a kind of Flow In Jointed Rock Masses, stress, Coupling Deformation in-situ test device.In the field survey adit, by crack description, measurement and statistical study, the distribution characteristics of research rock cranny.According to the crack Occurrence grouping, choose specific crack research experiment, there are being Single Fracture or parallel fracture set (8) to locate, arrange the setting-out hole, rock-core borer pore-creating is carried out meticulous measurement to this exposure position, crack and occurrence.
Rock body drilled (1) is filled packing capsule (6) in boring (1), crack (8) locate to stay test section (7), recharge packing capsule (6).
High-pressure hydraulic pump two (17 ') pipe is provided with pressure transducer, and access packing capsule (6), and high-pressure hydraulic pump two (17 ') pressurizes to packing capsule (6), and packing capsule (6) and hole wall (1) are combined closely.
Water tank (18) access high-pressure hydraulic pump one (17), high-pressure hydraulic pump one (17) pipe access drilling rod (9), high-pressure hydraulic pump one (17) pipe is provided with flow sensor (11), pressure transducer (12), the packing capsule (6) that drilling rod (9) penetrates boring (1) inserts test section (7), be connected to pressure regulator valve (14) on high-pressure hydraulic pump one (17) pipe, tensimeter (13), high-pressure hydraulic pump one (17) carries out the test of flow high-pressure hydraulic by drilling rod (9) to the test section (7) in the boring (1).
The site test device can carry out primary stress to be measured, and permeates minimum cleavage fracture stress to understand test section primary stress condition and possible crack.Tentatively determine accordingly the grade scale of high-pressure hydraulic test, general pressure progression is 7～10 grades, carries out the big-flow high-pressure hydraulic test at test section (7): the classification pressurization, every stage pressure is issued to stable fluidised form.Also be connected to pressure regulator valve (14), tensimeter (13) on high-pressure hydraulic pump one (17) pipe in addition, pressure-loaded is to control by pressure regulator valve (14).The borehole test degree of depth in the crack rock can reach 100m, and crack rock mesohigh seepage pressure maximum can reach 40MPa.
Locate in boring (1), rock mass bores viewport (2), (2 is more than 1 or 1 to viewport, correlation test observation facility in the observation port is installed, (8) are located in the crack, establish multi-point displacement anchor head (3,5) and strainometer (4) in the hole (2), anchor head (3,5) connects displacement transducer (10).Displacement transducer (10), flow sensor (11), pressure transducer (12) access data gather memory instrument (15), data acquisition memory instrument (15) access computing machine (16), record show that the real-time pressure of pressure transducer (12), the real-time traffic of flow sensor (11) and the crack relative displacement of displacement transducer (10) are crack machinery gap length.By this device the deep crack rock is carried out the high-pressure hydraulic test, can carry out pressure, flow and displacement data collection and storage by real-time synchronization, support equipment can be finished the correlation test action, realizes the on-the-spot seepage flow of crack rock, stress deformation coupling test test data.
Claims (4)
1. Flow In Jointed Rock Masses, stress, Coupling Deformation in-situ test device, it is characterized in that: crack (8) are located, fill up and down packing capsule (6) in the boring (1), test section (7) is located to stay in crack (8), the packing capsule (6) that drilling rod (9) penetrates boring (1) inserts test section (7), high-pressure hydraulic pump two (17 ') pipe is provided with pressure transducer (12) access packing capsule (6), high-pressure hydraulic pump two (17 ') pressurizes to packing capsule (6), packing capsule (6) is combined closely with hole wall (1), high-pressure hydraulic pump one (17) pipe is provided with flow sensor (11), pressure transducer (12) also accesses drilling rod (9), and high-pressure hydraulic pump one (17) is by test section (7) the pressurization waterpower of drilling rod (9) to boring (1); Crack (8) is located, and establishes multi-point displacement anchor head (3,5) and strainometer (4) in the viewport (2), and anchor head (3,5) connects displacement transducer (10).
2. a kind of Flow In Jointed Rock Masses according to claim 1, stress, Coupling Deformation in-situ test device is characterized in that: displacement transducer (10), flow sensor (11), pressure transducer (12) difference access data collection memory instrument (15).
3. a kind of Flow In Jointed Rock Masses according to claim 1, stress, Coupling Deformation in-situ test device, it is characterized in that: water tank (18) access high-pressure hydraulic pump one (17) is connected to pressure regulator valve (14), tensimeter (13) on high-pressure hydraulic pump one (17) pipe.
4. a kind of Flow In Jointed Rock Masses according to claim 1, stress, Coupling Deformation in-situ test device, it is characterized in that: described rock mass viewport (2) is more than 1 or 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220148503 CN202735333U (en) | 2012-04-10 | 2012-04-10 | Fractured rock mass seepage and stress and deformation coupling in-situ test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220148503 CN202735333U (en) | 2012-04-10 | 2012-04-10 | Fractured rock mass seepage and stress and deformation coupling in-situ test device |
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| CN202735333U true CN202735333U (en) | 2013-02-13 |
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| CN104155226A (en) * | 2014-07-24 | 2014-11-19 | 重庆大学 | Reservoir penetrating media heat-fluid-solid coupling multi-phase fluid fracturing-seepage experimental system |
| CN104727288A (en) * | 2015-03-20 | 2015-06-24 | 济南轨道交通集团有限公司 | Displacement and pressure testing device and method for surrounding rock mass of anchor cable free segment |
| CN104749023A (en) * | 2015-04-16 | 2015-07-01 | 中南大学 | Testing device and testing method for simulating hydrodynamic pressure action in rock fracture |
| CN105486353A (en) * | 2016-01-19 | 2016-04-13 | 山东科技大学 | Rock mass crack water comprehensive information sensor and use method thereof |
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| CN108519264A (en) * | 2018-04-09 | 2018-09-11 | 中国科学院武汉岩土力学研究所 | A kind of crack preparation method of sample and crack sample |
| CN109269955A (en) * | 2018-09-29 | 2019-01-25 | 中国矿业大学 | A kind of coal rock layer permeability in-situ testing device and method |
| CN109459313A (en) * | 2018-12-29 | 2019-03-12 | 四川大学 | The mechanical behavior and seepage characteristic home position testing method and system of coal and rock under the influence of true mining induced stress |
| CN109958434A (en) * | 2017-12-25 | 2019-07-02 | 核工业北京地质研究院 | The constant-pressure unsteady flow that drills drilling Hydrogeological Test Method |
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- 2012-04-10 CN CN 201220148503 patent/CN202735333U/en not_active Expired - Fee Related
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| CN104155226B (en) * | 2014-07-24 | 2016-08-24 | 重庆大学 | Reservoir permeating medium heat flow piercement heterogeneous fluid pressure break-seepage flow experiment system |
| CN104155226A (en) * | 2014-07-24 | 2014-11-19 | 重庆大学 | Reservoir penetrating media heat-fluid-solid coupling multi-phase fluid fracturing-seepage experimental system |
| CN104727288A (en) * | 2015-03-20 | 2015-06-24 | 济南轨道交通集团有限公司 | Displacement and pressure testing device and method for surrounding rock mass of anchor cable free segment |
| CN104749023A (en) * | 2015-04-16 | 2015-07-01 | 中南大学 | Testing device and testing method for simulating hydrodynamic pressure action in rock fracture |
| CN106932041B (en) * | 2015-12-30 | 2019-07-12 | 核工业北京地质研究院 | A kind of water pressure test in borehole multistage flow high precision measuring device and method |
| CN106932041A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of water pressure test in borehole multistage flow high precision measuring device and method |
| CN105507895B (en) * | 2016-01-19 | 2018-05-08 | 山东科技大学 | A kind of rock cranny detection sensor and application method |
| CN105486353A (en) * | 2016-01-19 | 2016-04-13 | 山东科技大学 | Rock mass crack water comprehensive information sensor and use method thereof |
| CN105510206A (en) * | 2016-01-19 | 2016-04-20 | 山东科技大学 | Grouting diffusion three-dimensional monitoring system and monitoring method |
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| CN105487134B (en) * | 2016-01-19 | 2018-03-09 | 山东科技大学 | A kind of rock cranny three-dimensional detection system and detection method |
| CN105487134A (en) * | 2016-01-19 | 2016-04-13 | 山东科技大学 | Rock mass crack three-dimensional detection system and detection method |
| CN105507895A (en) * | 2016-01-19 | 2016-04-20 | 山东科技大学 | Rock fracture detection sensor and using method |
| CN109958434B (en) * | 2017-12-25 | 2022-11-22 | 核工业北京地质研究院 | Drilling hydrogeological test method for drilling hole under constant pressure and unsteady flow |
| CN109958434A (en) * | 2017-12-25 | 2019-07-02 | 核工业北京地质研究院 | The constant-pressure unsteady flow that drills drilling Hydrogeological Test Method |
| CN108519264A (en) * | 2018-04-09 | 2018-09-11 | 中国科学院武汉岩土力学研究所 | A kind of crack preparation method of sample and crack sample |
| CN109269955A (en) * | 2018-09-29 | 2019-01-25 | 中国矿业大学 | A kind of coal rock layer permeability in-situ testing device and method |
| CN109269955B (en) * | 2018-09-29 | 2023-11-21 | 中国矿业大学 | In-situ testing device and method for permeability of coal stratum |
| CN109459313A (en) * | 2018-12-29 | 2019-03-12 | 四川大学 | The mechanical behavior and seepage characteristic home position testing method and system of coal and rock under the influence of true mining induced stress |
| CN109459313B (en) * | 2018-12-29 | 2023-09-01 | 四川大学 | In-situ test method and system for mechanical behavior and seepage characteristics of coal rock mass |
| CN114486671A (en) * | 2021-12-16 | 2022-05-13 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent conveying embolism pressurized-water test device for cross-ridge tunnel ultra-deep drilling |
| CN114486671B (en) * | 2021-12-16 | 2023-12-22 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent transmission embolism water pressure test device for ultra-deep drilling of cross-over tunnel |
| CN118208229A (en) * | 2024-05-22 | 2024-06-18 | 成都理工大学 | Visual hydraulic fracturing method ground stress test system and method |
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Granted publication date: 20130213 Termination date: 20150410 |
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