CN101169359A - Jointed rock permeability detection method - Google Patents
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- CN101169359A CN101169359A CNA2007101884175A CN200710188417A CN101169359A CN 101169359 A CN101169359 A CN 101169359A CN A2007101884175 A CNA2007101884175 A CN A2007101884175A CN 200710188417 A CN200710188417 A CN 200710188417A CN 101169359 A CN101169359 A CN 101169359A
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Abstract
The invention discloses a water permeability test method of jointed rock, which includes the steps as follow: preparing a sample of natural jointed rock; putting the sample in the inner of shearer core which is arranged at the inner cavity of a shearing box, providing a test environment to simulate the natural crack of jointed rock with water and the hydraulic stress; testing and collecting the stress and the displacement of the sample as well as the flow and intake pressure and outlet pressure of the liquid surrounding the sample; controlling the loading system, the detecting system and the hydraulic system according to the mining-induced fissure of the sample, promptly testing and collecting the dynamic changing data of the crack deformation, the stress, the flow and the water pressure of the sample; analyzing and processing the testing data result, and constantly maintaining the tester of the sample balance in the whole structure through the balance system in the test. The invention has simple procedure, convenient operation, wide application range and great practicability; and the invention can precisely test the related parameter of the dilatability of natural joint and the permeability, and the test precision is high.
Description
Technical field
The present invention relates to performances of rock detection technique field, particularly relate to a kind of jointed rock permeability detection method.
Background technology
In technical fields such as mine, oilfield exploitation and side slope detection, all need the swelling property and the perviousness of natural jointed rock are made detection more exactly.At present, when the swelling property of natural jointed rock and perviousness are detected, adopt following two kinds of test methods to detect mostly, i.e. artificial rock joint test method and gradation routine tests method.These two kinds of jointed rock experimental test methods, on the structure of the design of detection method, detection method, all exist some obvious irrational places, have a strong impact on process and result thereof that test detects, reduced the reliability of experimental analysis, widened experiment and actual gap.When for example adopting artificial joint test method to detect, at first must adopt equivalent material simulating joint and the core pedestrian worker that goes forward side by side to cut the joint, adopt bonding agent gummed imitation joint again, this test method is owing to widened the distance of testing between joint and the natural joint from the beginning, reduced the practical significance of theoretical testing result, its testing result can not satisfy construction requirement.And gradation routine tests method, though its test findings has enough reliabilities, but because occurring in nature is difficult to find two on all four test specimens, thereby influence the detection quality of independent experiment result, do not reach requirement natural jointed rock expands and perviousness detects to natural joint character.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of jointed rock permeability detection method is provided, this method step is simple, and is easy and simple to handle and applied widely, can accurately detect the nature joint and expand and infiltrative correlation parameter and accuracy of detection height.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of jointed rock permeability detection method may further comprise the steps:
(a) make nature jointed rock test specimen: drill through nature jointed rock core and make nature jointed rock test specimen by shearer 8 movement sizes;
(b) test specimen is placed the shearer 8 movement inside of shear box 1 inner chamber that comprises shear box 15 and down cut box 16, by control system 4 control loaded systems 3 by loading bench from external action in shear box 1, apply normal stress and shear stress to test specimen, and controlled hydraulic system 7 provides to test specimen and detects required hydraulic environment, finally provides a moisture and hydraulic stress status detection environment in the natural crack of simulation jointed rock to test specimen;
(c) detect and collect suffered stress, the displacement of test specimen and flow, influent pressure and the water outlet pressure numerical value of the peripheral liquid of test specimen of test specimen under the original state by control system 4 start detection systems 5,5 whiles of detection system are to control system 4 detection feedback and the related data collected;
(d) press the mining-induced fissure action situation of test specimen, by control system 4 control loaded systems 3, detection system 5 and hydraulic system 7 actions, the moving delta data of the crack distortion of detection system 5 real-time detections and collection test specimen and stress, flow, hydraulic pressure will detect data sync simultaneously and feed back to control system 4 and show the detection data result;
(e) control system 4 is analyzed and is handled and detects data result, and by the stress deformation curve, stress percolation curve, seepage flow deformation curve and the expansion percolation curve that draw after handling, the swelling property of analytical calculation test specimen and perviousness correlation parameter;
In whole testing process, remain the one-piece construction balance by the residing pick-up unit of balanced system 6 control test specimens, detection system 5 is fed back the equilibrium state signal of its detected balanced systems 6 that are connected with shear box 1 in real time to control system 4, adjust normal stress and the shear stress that 3 pairs of shear boxs 1 of loading system apply by control system 4 corresponding controls, to keep balanced system 6 balances.
As a preferred embodiment of the present invention, the natural jointed rock test specimen of making described in the step (a) is shaped as rectangular parallelepiped or right cylinder.
The rectangular parallelepiped that the described natural jointed rock test specimen of making in the step (a) is 100mm * 200mm or the diameter of bottom surface are that 50mm, length are the right cylinder of 100mm.
As another kind of preferred version of the present invention, when applying normal stress and shear stress to test specimen described in the step (b), at first test specimen should be placed on the movement inside of shearer 8, again shearer 8 is placed in the internal cavities of shear box 1; Secondly control loaded system 3 applies normal stress and shear stress by loading bench to shear box 1; The hydraulic system 7 that control afterwards communicates with shearer 8 movement inside provides the hydraulic environment of draining with not draining to test specimen.
As another preferred version of the present invention, described loading bench is a gate-type loading bench 2, loading system 3 is carried out distribute loads by force transmitting board, and gate- type loading bench 2 and 8 operations of shear box 1 control shearer make shearer 8 be in the load center intersection point of shear box 1 inside all the time.
As the present invention further optimization scheme, described hydraulic system 7 comprises feed liquor system 9, return liquid system 10 and auxiliary return liquid system 11, and return liquid system 10 is connected with feed liquor system 9 respectively with auxiliary return liquid system 11.
As further preferred version of the present invention, described detection system 5 comprises monitor 12, receiving flask 13 and reservoir 14, wherein monitor 12 joins with shearer 8 movement inside, return liquid system 10 joins with receiving flask 13, auxiliary return liquid system 11 communicates with reservoir 14, feed liquor system 9 successively, and monitor 12 and receiving flask 13 are respectively to the signal of control system 4 feedback monitorings, collection.
As another preferred version of the present invention, described monitor 12 is force transducer, displacement transducer and flow sensor, and the displacement of the suffered stress of test specimen, test specimen, the equilibrium state of balanced system 6 and flow, influent pressure, the water outlet pressure of the peripheral liquid of test specimen are detected.
To sum up, adopt a kind of jointed rock permeability detection method of the present invention, have the following advantages: 1, step is simple, easy to operate, need not that natural jointed rock is done any processing and handles, and can measure the swelling property and the perviousness correlation parameter of tested rock; 2, applied widely, be applicable to that the Polodyakonov coefficient coefficient is the detection of the different hardness nature jointed rock in the 0.5-10 scope; 3, joint interstitial water pressure reduction adjustable extent is big, and differential water pressures can reach about 1Mpa; 4, accuracy of detection height, the expansion coefficient accuracy of detection reaches 10
-4, the perviousness accuracy of detection reaches 10
-10Darcy; 5, applicability is strong, and the swelling property and the perviousness that adapt to dip of joint all natural jointed rocks between 0-45 ° detect; 6, intelligent instruction feedback, balance Control Scheme are carried out performance analysis and are stored related data when equilibrium state detects.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
The structured flowchart of the pick-up unit that Fig. 1 is adopted for a kind of jointed rock permeability detection method of the present invention.
Fig. 2 is the structured flowchart of the preferred implementation of detection device thereof of the present invention.
The overall flow figure that Fig. 3 detects for a kind of jointed rock permeability detection method of the present invention.
Description of reference numerals:
The 1-shear box; 2-gate-type loading bench; The 3-loading system;
The 4-control system; The 5-detection system; The 6-balanced system;
The 7-hydraulic system; The 8-shearer; 9-feed liquor system;
The 10-return liquid system; 11-assists return liquid system; The 12-monitor;
The 13-receiving flask; The 14-reservoir; The last shear box of 15-;
16-down cut box.
Embodiment
In conjunction with Fig. 1, Fig. 2, described jointed rock permeability pick-up unit comprises the shear box 1 be made up of last shear box 15 and down cut box 16, control system 4, by control system 4 controls and by loading bench shear box 1 is applied the loading system 3 of normal stress and shear stress, the shearer 8 that places shear box 1 internal cavities and the detection system of being controlled by control system 45, balanced system 6 and hydraulic system 7.4 control loaded systems 3 apply normal stress and shear stress to test specimen by control system, and controlled hydraulic system 7 provides detection required hydraulic environment to test specimen.Loading system 3 applies normal stress and shear stress by loading bench to shear box 1, and shearer 8 is placed between shear box 15 and the down cut box 16 in the formed cavity, places test specimen in the cavity of shearer 8 movement inside.In testing process, detection system 5, balanced system 6 and hydraulic system 7 are simultaneously to control system 4 feedback control signals.
As shown in Figure 3, when adopting described jointed rock permeability detection method to detect, mainly may further comprise the steps: the first step, making nature jointed rock test specimen: drill through nature jointed rock core and make test specimen by shearer 8 movement sizes.Before detection, at first, should adopt rig to drill through nature jointed rock core and make nature jointed rock test specimen by shearer 8 movement sizes.The test specimen of making is shaped as rectangular parallelepiped or right cylinder, and being specially the rectangular parallelepiped of 100mm * 200mm or the diameter of bottom surface is that 50mm, length are the right cylinder of 100mm.When making test specimen, need not test specimen is remake other processing, manufacture craft is simpler, keeps the virgin state of nature jointed rock to get final product.
Second goes on foot, test specimen is placed the shearer 8 movement inside of shear box 1 inner chamber that comprises shear box 15 and down cut box 16, by control system 4 control loaded systems 3 by loading bench from external action in shear box 1, apply normal stress and shear stress to test specimen, and controlled hydraulic system 7 provides to test specimen and detects required hydraulic environment, finally provides a moisture and hydraulic stress status detection environment in the natural crack of simulation jointed rock to test specimen.This step mainly is that the natural jointed rock test specimen of made is before put into pick-up unit, and the testing environment of an emulation mode is provided to test specimen.
At first, by 3 actions of control system 4 control loaded systems, send the instruction of operation loading bench to loading system 3, loading bench begins action according to instruction, from shear box 1, take out the internal machine core of shearer 8 this moment, pack in the cavities within it nature jointed rock test specimen and the shearer movement put back in loading system 3 is started by control system 4 control loaded systems 3 afterwards and applies normal stress and shear stress to test specimen.Described loading bench is a gate-type loading bench 2, and loading system 3 is carried out distribute loads by force transmitting board, and gate- type loading bench 2 and 8 operations of shear box 1 control shearer make shearer 8 be in shear box 1 internal load center intersection point all the time.As required by control system 4 corresponding control gate-type loading bench 2, satisfy Ben Jieli rock permeability pick-up unit testing under different normal stress and shear stress condition in the process of the test.
In start-up loading system 3 by control system 4 primer fluid pressing systems 7, described hydraulic system 7 communicates with the movement inside of shearer 8, it comprises feed liquor system 9, return liquid system 10 and auxiliary return liquid system 11, return liquid system 10 works alone separately with auxiliary return liquid system 11, and the two is connected with feed liquor system 9 respectively.The final control system 4 control loaded systems 3 and hydraulic systems 7 that pass through apply normal stress and shear stress to test specimen, finally provide a moisture and hydraulic stress status detection environment in the natural crack of simulation to test specimen.
The 3rd step, detect and collect suffered stress, the displacement of test specimen and flow, influent pressure and the water outlet pressure numerical value of the peripheral liquid of test specimen of test specimen under the original state by control system 4 start detection systems 5,5 whiles of detection system are to control system 4 detection feedback and the related data collected.Described detection system 5 is joined with the movement inside of hydraulic system 7, shearer 8 respectively, it comprises monitor 12, receiving flask 13 and reservoir 14, wherein monitor 12 joins with shearer 8 movement inside, return liquid system 10 joins with receiving flask 13, auxiliary return liquid system 11 communicates with reservoir 14, feed liquor system 9 successively, and monitor 12 and receiving flask 13 are respectively to the signal of control system 4 feedback monitorings, collection.And monitor 12 is force transducer, displacement transducer and flow sensor, adopts force transducer, displacement transducer and flow sensor that the displacement of the suffered stress of the test specimen of original state down cut machine 8 movement inside, test specimen, the equilibrium state of balanced system 6 and flow, influent pressure, the water outlet pressure of the peripheral liquid of test specimen are detected.Suffered stress, the displacement of test specimen and flow, influent pressure, the water outlet pressure numerical value of test specimen periphery liquid of test specimen feeds back to control system 4 under the original state that will detect and collect by monitor 12 and receiving flask 13 in a word.Related data under this serial detected original state is quite important as the basis of check and analysis data.
The 4th step, the mining-induced fissure action situation of pressing test specimen, by control system 4 control loaded systems 3, detection system 5 and hydraulic system 7 actions, the moving delta data of the crack distortion of detection system 5 real-time detections and collection test specimen and stress, flow, hydraulic pressure will detect data sync simultaneously and feed back to control system 4 and show the detection data result.Press the mining-induced fissure action situation of test specimen, realize the Comprehensive Control of 4 pairs of loading systems 3 of control system, detection system 5 and hydraulic system 7 by control programming.Specifically being control system 4 control loaded systems 3 applies corresponding required normal stress and shear stress in the testing process by the mining-induced fissure action situation of test specimen to test specimen.Controlled hydraulic system 7 remains a moisture and hydraulic stress state in the natural crack of simulation jointed rock to test specimen is provided simultaneously, meanwhile each system is to control system 4 detection feedback and the related data collected, and shows to the respective detection data result of control system 4 each system feedback by computer display screens.
In testing process, feed liquor system 9 in the hydraulic system 7 forms permeable pressure head for the test specimen two ends, return liquid system 10 directly and the receiving flask 13 in the detection system 5 join and be used for measuring the infiltration capacity of test specimen, the electronic scale of installing in the receiving flask 13 carries out weighing and the result is fed back to control system 4, and control system 4 is analyzed, handled and store according to the data file of importing into afterwards.Simultaneously the flow sensor in the monitor 12 detects in real time the flow of feed liquor system 9 and return liquid system 10 and feeds back flow signal separately, auxiliary return liquid system 11 mainly helps out, after 4 pairs of feedback signals of control system are carried out analyzing and processing, send the control corresponding instruction.When the pressure reduction that in last shear box 15 and 16 formed cavitys of down cut box is test specimen two ends liquid exceeded preset range, control system 4 was in time sent corresponding steering order to auxiliary return liquid system 11, started auxiliary return liquid system 11; Otherwise under the state of flow equilibrium, auxiliary return liquid system 11 is not worked.When auxiliary return liquid system 11 is worked, excess liquid is entered reservoir 14 temporarily store, control system 4 control reservoirs 14 return the liquid that stores in it to feed liquor system 9 again afterwards, circulate and utilize once more.Meanwhile reservoir 14 is to control system 4 feedback control signals.Return liquid system 10 joins with feed liquor system 9 by receiving flask 13 in addition, liquid is returned to circulate utilize once more.
In testing process, remain test specimen and be in the moisture and hydraulic stress status detection environment in simulation jointed rock natural crack, carry out Comprehensive Control by the mining-induced fissure action situation of test specimen by control system 4.Detection system 5 detects test specimen in real time and will detect data and in time feeds back to control system 4, wherein monitor 12 joins with the movement inside of shearer 8, be used for the stress that the test specimen of monitoring machine in-core portion taken place and the variation of displacement under corresponding normal stress and shear stress condition, simultaneously the signal that monitored to control system 4 feedbacks of monitor 12.4 pairs of data of being imported into of control system are analyzed, handle, are stored and show the detection data result, and control system 4 is correspondingly sent steering order to monitor 12 simultaneously.
The 5th step, control system 4 are analyzed also to handle and are detected data result, and by the swelling property and the perviousness correlation parameter of the stress deformation curve, stress percolation curve, seepage flow deformation curve and the expansion percolation curve calculation testing piece that draw after handling.In above-mentioned testing process, data such as detection system 5 is stressed with the test specimen in the detected test process, displacement, pore water pressure feed back to control system 4,4 pairs of data of importing into of control system are analyzed, are handled and store, and inform the user by computer display screens simultaneously.According to the rock mechanics principle, control system 4 can corresponding drafting draw test specimen detected stress deformation curve, stress percolation curve, seepage flow deformation curve and expansion percolation curve in testing process, and each testing result is reflected to computer display screens, select storage or printing by the user, can calculate the swelling property and the perviousness correlation parameter of test specimen according to above-mentioned detection data processed result.
Specifically be that receiving flask 13 in the detection system 5 links to each other with return liquid system 10, the electronic scale of installing in the receiving flask 13 carries out weighing and the result is fed back to control system 4 numerical value such as flow of return liquid system 10, and the flow sensor in the monitor 12 detects in real time the flow of feed liquor system 9 and return liquid system 10 and feeds back flow signal separately simultaneously; And force transducer in the monitor 12 and displacement transducer detect the displacement of the suffered stress of test specimen, test specimen and influent pressure, the water outlet pressure of the peripheral liquid of test specimen, and detected corresponding data is fed back to control system 4.Moving delta data to the test specimen crack distortion that detects in the above-mentioned test process and collect and stress, flow, hydraulic pressure carries out analytical calculation, and corresponding drafting draws test specimen detected stress deformation curve, stress percolation curve, seepage flow deformation curve and expansion percolation curve in testing process.Moving delta data according to the distortion of test specimen crack and stress, hydraulic pressure is the stress deformation curve, can calculate the expansile correlation parameter of test specimen; And be stress percolation curve, seepage flow deformation curve and expansion percolation curve according to the flow of the peripheral liquid of test specimen, the moving delta data of hydraulic pressure, can calculate the infiltrative correlation parameter of test specimen.
In whole testing process, also start balanced system 6 in the time of start-up loading system 3 and hydraulic system 7, balanced system 6 is connected with shear box 1, in order to the one-piece construction balance of control whole detection device, in case shear box 1 overturns under the effect of normal stress and shear stress.Detection system 5 is fed back the equilibrium state signal of its detected balanced systems 6 that are connected with shear box 1 in real time to control system 4, adjust normal stress and the shear stress that 3 pairs of shear boxs 1 of loading system apply by control system 4 corresponding controls, to keep balanced system 6 balances.Displacement transducer in the detection system 5 is made detection to the location status of balanced system 6, and the while is to the equilibrium state signal of the corresponding balanced system 6 of control system 4 feedbacks, control system 4 is further analyzed the equilibrium state of balanced system 6 and uneven degree and loading system 3 is made corresponding control according to the equilibrium state signal that imports into, adjusting and change loading bench 2 are applied to normal stress and the shear stress on the shear box 1, keep balanced system 6 balances, thereby guarantee that Ben Jieli rock permeability pick-up unit is in equilibrium state all the time in process of the test.In a word, remain the residing pick-up unit one-piece construction of test specimen balance by balanced system 6, simultaneously by detection system 5 with the state of pick-up unit whether balance and uneven degree etc. in time feed back to control system 4, and control system 4 carries out sending correspondingly regulating control command to loading system 3 after the analyzing and processing according to the corresponding data that imports into.
In sum, balanced system 6 and detection system 5 all play a role by control system 4, control system 4 control detection devices testing at different normal stress and shear stress.Loading system 3 goes up shear box 15 by 2 pairs of gate-type loading bench and down cut box 16 applies normal stress and shear stress.And gate- type loading bench 2 and 8 operations of shear box 1 control shearer make shearer 8 be in the load center intersection point all the time.And place test specimen in the cylindrical cavity of shearer 8 movement inside, the changing of the relative positions under normal stress and shear stress effect of last shear box 15 and down cut box 16, and under the control of control system 4, formation is to the teamwork of natural jointed rock loading, hydraulic pressure, balance and detection, simultaneously the detection signals such as load, displacement, hydraulic pressure and flow of the test specimen that arrives to control system 4 detection feedback of detection system 5.Meanwhile, by control system 4 control balanced systems 6, detection system 5, and corresponding control feed liquor system 9 works alone separately with return liquid system 10, auxiliary return liquid system 11, and each system is to control system 4 feedback control signals simultaneously.The cylindrical cavity of shearer 8 inside that in testing process, make test specimen place all the time to be in equilibrium state, it is in the state that hole flattens weighing apparatus and flow equilibrium all the time simultaneously, promptly under original state, carry out supercharging in other words, and in testing process, remain the natural equilibrium of nature Rock Joint Plane, comprise transient equilibrium, seepage flow balance and load balance.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (8)
1. jointed rock permeability detection method is characterized in that: may further comprise the steps:
(a) make nature jointed rock test specimen: drill through nature jointed rock core and make nature jointed rock test specimen by shearer (8) movement size;
(b) test specimen is placed shearer (8) the movement inside of shear box (1) inner chamber that comprises shear box (15) and down cut box (16), by control system (4) control loaded system (3) by loading bench from external action in shear box (1), apply normal stress and shear stress to test specimen, and controlled hydraulic system (7) provides to test specimen and detects required hydraulic environment, finally provides a moisture and hydraulic stress status detection environment in the natural crack of simulation jointed rock to test specimen;
(c) detected and collect suffered stress, the displacement of test specimen and flow, influent pressure and the water outlet pressure numerical value of the peripheral liquid of test specimen of test specimen under the original state by control system (4) start detection system (5), detection system (5) while is to control system (4) detection feedback and the related data collected;
(d) press the mining-induced fissure action situation of test specimen, by control system (4) control loaded system (3), detection system (5) and hydraulic system (7) action, detection system (5) detects and collects the moving delta data of the crack distortion of test specimen and stress, flow, hydraulic pressure in real time, will detect data sync simultaneously and feed back to control system (4) and show and detect data result;
(e) control system (4) is analyzed and is handled and detects data result, and by the stress deformation curve, stress percolation curve, seepage flow deformation curve and the expansion percolation curve that draw after handling, the swelling property of analytical calculation test specimen and perviousness correlation parameter;
In whole testing process, remain the one-piece construction balance by the residing pick-up unit of balanced system (6) control test specimen, detection system (5) is fed back the equilibrium state signal of its detected balanced system (6) that is connected with shear box (1) in real time to control system (4), adjust normal stress and the shear stress that loading system (3) applies shear box (1) by the corresponding control of control system (4), to keep balanced system (6) balance.
2. according to the described a kind of jointed rock permeability detection method of claim 1, it is characterized in that: the described natural jointed rock test specimen of making in the step (a) is shaped as rectangular parallelepiped or right cylinder.
3. according to claim 1 or 2 described a kind of jointed rock permeability detection methods, it is characterized in that: the rectangular parallelepiped that the described natural jointed rock test specimen of making in the step (a) is 100mm * 200mm or the diameter of bottom surface are that 50mm, length are the right cylinder of 100mm.
4. according to claim 1 or 2 described a kind of jointed rock permeability detection methods, it is characterized in that: when applying normal stress and shear stress to test specimen described in the step (b), at first test specimen should be placed on the movement inside of shearer (8), again shearer (8) be placed in the internal cavities of shear box (1); Secondly control loaded system (3) applies normal stress and shear stress by loading bench to shear box (1); The hydraulic system (7) that control afterwards communicates with shearer (8) movement inside provides the hydraulic environment of draining with not draining to test specimen.
5. according to the described a kind of jointed rock permeability detection method of claim 4, it is characterized in that: described loading bench is gate-type loading bench (2), loading system (3) is carried out distribute loads by force transmitting board, gate-type loading bench (2) and shear box (1) control shearer (8) operation make shearer 8 be in the inner load center intersection point of shear box (1) all the time.
6. according to the described a kind of jointed rock permeability detection method of claim 4, it is characterized in that: described hydraulic system (7) comprises feed liquor system (9), return liquid system (10) and auxiliary return liquid system (11), and return liquid system (10) is connected with feed liquor system (9) respectively with auxiliary return liquid system (11).
7. according to the described a kind of jointed rock permeability detection method of claim 6, it is characterized in that: described detection system (5) comprises monitor (12), receiving flask (13) and reservoir (14), wherein monitor (12) joins with the movement inside of shearer (8), return liquid system (10) joins with receiving flask (13), auxiliary return liquid system (11) communicates with reservoir (14), feed liquor system (9) successively, and monitor (12) and receiving flask (13) are respectively to the signal of control system (4) feedback monitoring, collection.
8. according to the described a kind of jointed rock permeability detection method of claim 7, it is characterized in that: described monitor (12) is force transducer, displacement transducer and flow sensor, and the displacement of the suffered stress of test specimen, test specimen, the equilibrium state of balanced system (6) and flow, influent pressure, the water outlet pressure of the peripheral liquid of test specimen are detected.
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Cited By (6)
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CN103149339A (en) * | 2013-01-29 | 2013-06-12 | 中国科学院力学研究所 | Single fracture unsaturated seepage test system |
CN103954511A (en) * | 2014-04-09 | 2014-07-30 | 北京工业大学 | Shearing-seepage coupling experiment method of fracture network rock |
CZ304978B6 (en) * | 2014-05-05 | 2015-02-25 | ISATech s.r.o. | Laboratory measuring apparatus for testing properties of rocks |
CN104458534A (en) * | 2014-12-10 | 2015-03-25 | 西安科技大学 | Simulation test device and simulation test method for coal measure strata fracture seepage under loading and unloading conditions |
CN105929136A (en) * | 2016-05-04 | 2016-09-07 | 重庆大学 | Hydraulic fracturing simulation test method achieved in shear stress state |
CN106093195A (en) * | 2016-06-06 | 2016-11-09 | 山东科技大学 | A kind of seat earth mining induced fissure development monitoring apparatus and method |
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2007
- 2007-11-30 CN CN200710188417A patent/CN100580418C/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103149339A (en) * | 2013-01-29 | 2013-06-12 | 中国科学院力学研究所 | Single fracture unsaturated seepage test system |
CN103149339B (en) * | 2013-01-29 | 2015-06-24 | 中国科学院力学研究所 | Single fracture unsaturated seepage test system |
CN103954511A (en) * | 2014-04-09 | 2014-07-30 | 北京工业大学 | Shearing-seepage coupling experiment method of fracture network rock |
CZ304978B6 (en) * | 2014-05-05 | 2015-02-25 | ISATech s.r.o. | Laboratory measuring apparatus for testing properties of rocks |
CN104458534A (en) * | 2014-12-10 | 2015-03-25 | 西安科技大学 | Simulation test device and simulation test method for coal measure strata fracture seepage under loading and unloading conditions |
CN105929136A (en) * | 2016-05-04 | 2016-09-07 | 重庆大学 | Hydraulic fracturing simulation test method achieved in shear stress state |
CN105929136B (en) * | 2016-05-04 | 2018-07-03 | 重庆大学 | Hydraulic fracturing simulation experiment method under shear stress state |
CN106093195A (en) * | 2016-06-06 | 2016-11-09 | 山东科技大学 | A kind of seat earth mining induced fissure development monitoring apparatus and method |
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