CN107014735A - A kind of multifunctional rock crack infiltration experiment system - Google Patents

A kind of multifunctional rock crack infiltration experiment system Download PDF

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Publication number
CN107014735A
CN107014735A CN201710344336.3A CN201710344336A CN107014735A CN 107014735 A CN107014735 A CN 107014735A CN 201710344336 A CN201710344336 A CN 201710344336A CN 107014735 A CN107014735 A CN 107014735A
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CN
China
Prior art keywords
rock
cap
plunger pump
fissure
detected
Prior art date
Application number
CN201710344336.3A
Other languages
Chinese (zh)
Inventor
钟振
胡云进
李世超
翁余烽
杜时贵
黄曼
雍睿
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绍兴文理学院
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Application filed by 绍兴文理学院 filed Critical 绍兴文理学院
Priority to CN201710344336.3A priority Critical patent/CN107014735A/en
Publication of CN107014735A publication Critical patent/CN107014735A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The invention discloses a kind of multifunctional rock crack infiltration experiment system, including being detected fissure rock, first plunger pump, second plunger pump, rock core fastener, detected fissure rock is installed in the rock core fastener, pressure chamber is offered in the rock core fastener, the pressure chamber is connected by the first conduit with the first plunger pump, described detected fissure rock one end is provided with inlet end cap, the detected fissure rock other end is provided with water outlet end cap, the inlet end cap is connected by the second conduit with the second plunger pump, first plunger pump and the second plunger pump are connected with data acquisition platform.A kind of multifunctional rock crack infiltration experiment system of the present invention, it is easy to operate with simple in construction, the features such as vdiverse in function, it can be achieved to carry out the experimental studies such as rock fracture permeability, rock fracture Frictional Slipping characteristic, test accuracy is higher.

Description

A kind of multifunctional rock crack infiltration experiment system
Technical field
The present invention relates to a kind of multifunctional rock crack infiltration experiment system, belong to Flow In Jointed Rock Masses mechanical test technology Field.
Background technology
Rock mass is made up of crack and sillar, and crack can make a significant impact on the mechanical property and permeance property of rock mass. Because the permeability in crack is typically much deeper than the permeability of sillar, therefore, generally ignore sillar in Flow In Jointed Rock Masses analysis Permeability, the permeability in main research crack.
Single Fracture is the elementary cell for constituting Fracture Networks, and Single Fracture seepage flow is to study the basis of Flow In Jointed Rock Masses and close Key, irreplaceable effect is played in terms of research percolation law, Penetration Signature and control mechanism.
The influence factor that rock fracture seepage flow is related to is numerous, mainly there is hot (Thermo), water pressure (Hydro), power (Mechanism) and chemical (Chemistry), rock fracture seepage flow is heat-water-power-change (THMC) coefficient result.So And limited by various objective condition, particularly limited by existing testing equipment, be typically only capable to carry out single factor test or dual factors bar Under part rock fracture permeability test research, can very carry out less it is multifactor under the conditions of rock fracture permeability test research, more It is the absence of the experimental study of rock fracture seepage flow under four factor collective effects.
Therefore, in order to solve the above technical problems, it is necessory to provide multifunctional rock crack infiltration experiment system, to overcome The defect of the prior art.
The content of the invention
It is an object of the invention to provide a kind of multifunctional rock crack infiltration experiment system, this pilot system has structure Simply, it is easy to operate, the features such as vdiverse in function, it can be achieved to carry out rock fracture permeability, rock fracture Frictional Slipping characteristic etc. Experimental study, test accuracy is higher.
In order to achieve the above object, the technical scheme is that:
A kind of multifunctional rock crack infiltration experiment system, including it is detected fissure rock, the first plunger pump, the second plunger It is provided with pump, rock core fastener, the rock core fastener in detected fissure rock, the rock core fastener and offers pressure Chamber, the pressure chamber is connected by the first conduit with the first plunger pump, described detected fissure rock one end be provided with into Mouth of a river end cap, the detected fissure rock other end is provided with water outlet end cap, and the inlet end cap passes through the second conduit It is connected with the second plunger pump, first plunger pump and the second plunger pump are connected with data acquisition platform.
Rubber case is installed between the detected fissure rock and pressure chamber.
The water outlet end cap is connected by the 3rd conduit with collecting container.
It is connected with detection fissure rock on the inlet end cap of one end and offers the first radial groove, the first ring respectively To groove, first radial groove is connected installation with the first circumferential groove;It is connected with detection fissure rock described in one end The second radial groove, the second circumferential groove are offered on water outlet end cap respectively, second radial groove and the second ring are recessed Groove is connected installation.
Linear displacement transducer, and the linear displacement transducer and water outlet end cap are installed on the rock core fastener Contradict and be connected.
It is provided with first plunger pump on the first control panel, second plunger pump and the second chain of command is installed Plate.
The beneficial effects of the invention are as follows:The present invention have it is simple in construction, the features such as easy to operate, can be achieved carry out heat-water- Under the conditions of power-change rock fracture permeability test research, analysis rock fracture permeability with temperature, stress, chemical action etc. because The development law of element change, test accuracy is higher.
Brief description of the drawings
Fig. 1 is the structural representation of multifunctional rock crack of the present invention infiltration experiment system;
Fig. 2 is the structural representation of inlet end cap of the present invention;
Fig. 3 is the structural representation of water outlet end cap of the present invention.
Embodiment
Embodiment 1
A kind of multifunctional rock crack infiltration experiment system as shown in Figure 1, Figure 2, Figure 3 shows, including be detected fissure rock 1, Detected fissure rock 1, institute are installed in first plunger pump 2, the second plunger pump 3, rock core fastener 4, the rock core fastener 4 State and pressure chamber 9 is offered in rock core fastener 4, the pressure chamber 9 is connected by the first conduit 5 with the first plunger pump 2, institute State detected one end of fissure rock 1 and inlet end cap 6 is installed, the detected other end of fissure rock 1 is provided with delivery port Cap 7 is held, the inlet end cap 6 is connected by the second conduit 8 with the second plunger pump 3, the plunger of the first plunger pump 2 and second Pump 3 is connected with data acquisition platform 16.Data acquisition platform 16 by RS-232 serial line interfaces respectively with the first plunger pump 2 and Second plunger pump 3 is connected.
Rubber case 10 is installed between the detected fissure rock 1 and pressure chamber 9.Rubber case 10 is tested for separating The press water surveyed in fissure rock 1 and pressure chamber 9.
The water outlet end cap 7 is connected by the 3rd conduit 11 with collecting container 12.
It is connected with detection fissure rock 1 on the inlet end cap 6 of one end and offers the first radial groove 17, the respectively One circumferential groove 18, first radial groove 17 is connected installation with the first circumferential groove 18;It is connected with detection fissure rock 1 The second radial groove 19, the second circumferential groove 20 are offered on the water outlet end cap 7 of one end respectively, described second is radially recessed Groove 19 is connected installation with the second circumferential groove 20.Radial groove and circumferential groove make by holding the current of cap more uniformly to flow Enter to detect the end face of fissure rock 1.
Linear displacement transducer 13, and the linear displacement transducer 13 and water outlet are installed on the rock core fastener 4 Mouth end cap 7, which is contradicted, to be connected.Linear displacement transducer 13 can realize the Relative sliding between collection rock fracture face in real time.
It is provided with first plunger pump 2 on first control panel 14, second plunger pump 3 and second control is installed Panel 15.
When in use, the first plunger pump 2 is used for a kind of multifunctional rock crack infiltration experiment system described in the present embodiment Apply confined pressure to rock fracture, the second plunger pump 3 is used to (when carrying out water-Li-heat-change Coupling Research, note rock fracture water filling Enter solution water, high-temperature water) and apply axle pressure, current by inlet end cap 6 enter rock fracture crack, after flow through delivery port Cap 7 is held, collecting container 12 is flowed into finally by the 3rd conduit 11.Data acquisition platform 16 can realize collection flow, stream in real time The data such as speed, pressure.
A kind of multifunctional rock crack infiltration experiment system of the present embodiment, it is simple in construction, it is easy to operate, it is vdiverse in function, It can be achieved to carry out the experimental studies such as rock fracture permeability, rock fracture Frictional Slipping characteristic, test accuracy is higher.

Claims (6)

1. a kind of multifunctional rock crack infiltration experiment system, it is characterised in that:Including being detected fissure rock (1), the first post Fill in pump (2), the second plunger pump (3), rock core fastener (4), the rock core fastener (4) and detected fissure rock is installed (1) pressure chamber (9), is offered in the rock core fastener (4), the pressure chamber (9) passes through the first conduit (5) and first Plunger pump (2) is connected, and described detected fissure rock (1) one end is provided with inlet end cap (6), the detected fissure rock (1) other end is provided with water outlet end cap (7), and the inlet end cap (6) passes through the second conduit (8) and the second plunger pump (3) It is connected, first plunger pump (2) and the second plunger pump (3) are connected with data acquisition platform (16).
2. a kind of multifunctional rock crack infiltration experiment system according to claim 1, it is characterised in that:It is described to be detected Rubber case (10) is installed between fissure rock (1) and pressure chamber (9).
3. a kind of multifunctional rock crack infiltration experiment system according to claim 1, it is characterised in that:The delivery port End cap (7) is connected by the 3rd conduit (11) with collecting container (12).
4. a kind of multifunctional rock crack infiltration experiment system according to claim 1, it is characterised in that:With detection crack The first radial groove (17), the first circumferential groove are offered respectively on the inlet end cap (6) of the connected one end of rock (1) (18), first radial groove (17) is connected installation with the first circumferential groove (18);It is connected one with detection fissure rock (1) The second radial groove (19), the second circumferential groove (20), second footpath are offered respectively on the water outlet end cap (7) at end It is connected to groove (19) with the second circumferential groove (20) installation.
5. a kind of multifunctional rock crack infiltration experiment system according to claim 1, it is characterised in that:The core folder Linear displacement transducer (13) is installed in holder (4), and the linear displacement transducer (13) is contradicted with water outlet end cap (7) It is connected.
6. a kind of multifunctional rock crack infiltration experiment system according to claim 1, it is characterised in that:First post It is provided with plug pump (2) on the first control panel (14), second plunger pump (3) and the second control panel (15) is installed.
CN201710344336.3A 2017-05-16 2017-05-16 A kind of multifunctional rock crack infiltration experiment system CN107014735A (en)

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Publication number Priority date Publication date Assignee Title
CN108152195A (en) * 2017-12-12 2018-06-12 绍兴文理学院 A kind of In Frictional Sliding of Rocks experimental rig
CN108548724A (en) * 2018-05-28 2018-09-18 绍兴文理学院 A kind of rock three-axis friction-seepage flow experiment system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108152195A (en) * 2017-12-12 2018-06-12 绍兴文理学院 A kind of In Frictional Sliding of Rocks experimental rig
CN108548724A (en) * 2018-05-28 2018-09-18 绍兴文理学院 A kind of rock three-axis friction-seepage flow experiment system

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