CN108548724A - A kind of rock three-axis friction-seepage flow experiment system - Google Patents

A kind of rock three-axis friction-seepage flow experiment system Download PDF

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Publication number
CN108548724A
CN108548724A CN201810521457.5A CN201810521457A CN108548724A CN 108548724 A CN108548724 A CN 108548724A CN 201810521457 A CN201810521457 A CN 201810521457A CN 108548724 A CN108548724 A CN 108548724A
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CN
China
Prior art keywords
pressure
axis
rock
power transmission
transmission cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810521457.5A
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Chinese (zh)
Inventor
钟振
胡云进
谢澜
郜会彩
李博
陆佳莹
杜时贵
黄曼
雍睿
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University of Shaoxing
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University of Shaoxing
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Publication date
Application filed by University of Shaoxing filed Critical University of Shaoxing
Priority to CN201810521457.5A priority Critical patent/CN108548724A/en
Publication of CN108548724A publication Critical patent/CN108548724A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/006Crack, flaws, fracture or rupture
    • G01N2203/0062Crack or flaws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/025Geometry of the test
    • G01N2203/0256Triaxial, i.e. the forces being applied along three normal axes of the specimen

Abstract

The invention discloses a kind of rock three-axis friction seepage flow experiment systems, including pressure chamber, the pressure chamber is internally provided with pressure indoor, the pressure indoor is connected with the first plunger pump by the water-supply-pipe that its left end is arranged, the pressure indoor is internally provided with rock core test block, heat-shrink tube is installed, the both ends of the rock core test block are mounted on end cap, and axis pressure power transmission cylinder is respectively connected on the outside of two end caps between the pressure indoor and rock core test block.The rock three-axis friction seepage flow experiment system, pressure indoor is connected with the first plunger pump, the confining pressure being subject to by rock in the first plunger pump priming simulated formation, by the 4th plunger pump pore water is noted toward core sample, with the flow in simulated formation, separated with heat-shrink tube between core sample and pressure indoor, prevents that crossfire occurs between confining pressure fluid and pore water, the influence that the flow under different condition generates rock frictional test can be simulated, so as to so that experimental data is more accurate.

Description

A kind of rock three-axis friction-seepage flow experiment system
Technical field
The present invention relates to rock frictional test experiment of machanics technical field, specially a kind of rock three-axis friction-Seepage Experiment system System.
Background technology
Rock frictional test experiment is the main path of study of fault frictional strength and stability, and fault friction mechanics study is horizontal Promotion be largely dependent upon the research and development of new experimental provision and technology.Either frictional strength or stability, water are (quiet State water and Dynamic Water) influence can not be ignored.
However, being limited by existing rock three-axis friction experimental provision, carry out three axis of rock under the opposite sliding of rubbing surface Friction-Seepage Experiment is challenging work, especially under the conditions of high temperature, high pressure, quick sliding, Frictional Slipping with ooze It is a great problem to flow compatibility, and slide displacement also is difficult to directly measure, therefore, to solve the above problems, it is necessary to provide one really Kind of rock three-axis friction-seepage experimental apparatus, with overcome in existing rock three-axis friction experimental provision Frictional Slipping with seepage flow not Compatible problem.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of rock three-axis friction-seepage flow experiment system, solves existing In Frictional Sliding of Rocks and the incompatible problem of seepage flow in some technologies.
(2) technical solution
To achieve the above object, the present invention provides the following technical solutions:A kind of rock three-axis friction-seepage flow experiment system, Including pressure chamber, the pressure chamber is internally provided with pressure indoor, the water-supply-pipe that the pressure indoor is arranged by its left end It is connected with the first plunger pump, the pressure indoor is internally provided with rock core test block, is installed between the pressure indoor and rock core test block There are heat-shrink tube, the both ends of the rock core test block to be mounted on end cap, and is respectively connected with axis pressure power transmission cylinder, institute on the outside of two end caps It states and annular sealing strip is installed on the inner wall of end cap, and displacement sensor, left side are installed on the axis on right side pressure power transmission cylinder Axis pressure power transmission cylinder the second plunger pump is connected with by the water-supply-pipe that its left end is arranged, the axis pressure power transmission cylinder on right side passes through its right end The water-supply-pipe of setting is connected with third plunger pump, and water injection pipe is provided on the left of the pressure chamber, and the water injection pipe is worn successively The axis crossed on the left of rock core test block presses power transmission cylinder and end cap and the inside for extending to pressure indoor, the pressure chamber are connected by water injection pipe It is connected to the 4th plunger pump, the water injection pipe is equipped with cable heater close to one end of the 4th plunger pump, the pressure chamber Right side is equipped with outlet pipe, and the water outlet of the outlet pipe sequentially passes through end cap on the right side of pressure chamber and axis pressure power transmission cylinder and solid Surely it is connected with dust-collecting bucket, the water injection pipe and outlet pipe are mounted on temperature sensor close to one end of pressure chamber.
Preferably, first plunger pump, the second plunger pump, third plunger pump, the 4th plunger pump, displacement sensor and temperature Degree sensor is connect with external computer system.
Preferably, the rock core test block includes upper rock core test block and lower rock core test block, and upper rock core test block is tried with lower rock core The structure of the both sides setting of block is identical and symmetrical.
Preferably, the axis pressure power transmission cylinder includes upper axis pressure power transmission cylinder and lower axle pressure power transmission cylinder, and the end cap includes upper end Cap and lower endcaps.
Preferably, the upper axis pressure power transmission cylinder and upper end cap are connect with upper rock core test block, and the lower axle pressure power transmission cylinder is under End cap is connect with lower rock core test block.
Preferably, second plunger pump presses the upper axis pressure power transmission cylinder in power transmission cylinder to connect with left-hand axis, the third column Plug pump presses the lower axle pressure power transmission cylinder of power transmission cylinder to connect with right-hand axis.
(3) advantageous effect
Compared with prior art, the present invention provides a kind of rock three-axis friction-seepage flow experiment system, have following beneficial Effect:
1, the rock three-axis friction-seepage flow experiment system, pressure indoor are connected with the first plunger pump, are noted by the first plunger pump The confining pressure that rock is subject in Fluid Dynamics stratum notes pore water, with the water in simulated formation by the 4th plunger pump toward core sample Stream, is separated with heat-shrink tube between core sample and pressure indoor, prevents from that crossfire occurs between confining pressure fluid and pore water, on water injection pipe Cable heater is posted, for heating pore water, high temperature Seepage Experiment can be carried out, the flow under different condition can be simulated to rock The influence that stone friction generates, so as to so that experimental data is more accurate.
Core sample, axis pressure power transmission cylinder and end cap are set as upper and lower by the 2, rock three-axis friction-seepage flow experiment system Symmetrical two parts, the second plunger pump, third plunger pump connect with upper and lower axis pressure power transmission cylinder, may be implemented to push upper and lower respectively Axis presses power transmission cylinder to be slided toward opposite direction, and power transmission cylinder and end cap are pressed by directly abutting axis, in addition end cap and and core sample It abuts, to realize that the opposite sliding of upper and lower disk core sample, displacement sensor are connected with axis pressure power transmission cylinder, measures horizontal phase Final to solve rock three-axis friction-incompatible technical bottleneck of seepage flow to slippage, three axis of rock under the conditions of development seepage flow rubs The dynamic experiment of wipe smooth.
Description of the drawings
Fig. 1 is pressure chamber's sectional view of the present invention;
Fig. 2 is that axis of the present invention presses power transmission cylinder and end cap sectional view.
In figure:1 pressure chamber, 2 rock core test blocks, rock core test block on 201,202 times rock core test blocks, 3 pressure indoors, 4 heat-shrink tubes, 5 axis press that power transmission cylinder, axis pressure power transmission cylinder, 502 lower axles pressure power transmission cylinder, 6 end caps, 601 upper end caps, 602 lower endcaps, 7 annulars are close on 501 Seal band, 8 first plunger pumps, 9 second plunger pumps, 10 the 4th plunger pumps, 11 third plunger pumps, 12 water injection pipes, 13 outlet pipes, 14 collection Bucket, 15 cable heaters, 16 displacement sensors, 17 temperature sensors.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of rock three-axis friction-seepage flow experiment system, including pressure chamber 1, pressure chamber 1 it is interior Portion is provided with pressure indoor 3, and pressure indoor 3 is connected with the first plunger pump 8 by the water-supply-pipe that its left end is arranged, by the way that pressure indoor is arranged 3, the pressure environment that can be subject at underground with simulation rock, so as to which so that experiment is more accurate, the inside of pressure indoor 3 is set It is equipped with rock core test block 2, rock core test block 2 includes upper rock core test block 201 and lower rock core test block 203, and upper rock core test block 201 and lower rock The structure of the both sides setting of heart test block 203 is identical and symmetrical, passes through the upper rock core test block 201 of setting and lower rock core test block 203, the phase mutual friction between subsurface rock is simulated, heat-shrink tube 4 is installed between pressure indoor 3 and rock core test block 2, utilizes heat-shrink tube 4 are separated pressure indoor 3 and rock core test block 2, can prevent from that crossfire occurs between confining pressure fluid and pore water, rock core test block 2 Both ends be mounted on end cap 6, and the outside of two end caps 6 is respectively connected with axis pressure power transmission cylinder 5, is equipped on the inner wall of end cap 6 Annular sealing strip 7 can keep the leakproofness between two rock test blocks 2, weaken external ring by the way that annular sealing strip 7 is arranged Influence of the border between rock test block 2, so as to so that experimental data is more accurate, and positioned at the axis on right side pressure power transmission cylinder 5 On displacement sensor 16 is installed, by be arranged displacement sensor 16, can accurately detect rock test block 2 generation offset numbers According to facilitate people to analyze, it includes upper axis pressure power transmission cylinder 501 and lower axle pressure power transmission cylinder 502, end cap 6 that axis, which presses power transmission cylinder 5, Including upper end cap 601 and lower endcaps 602, upper axis pressure power transmission cylinder 501 and upper end cap 601 are connect with upper rock core test block 201, lower axle pressure Power transmission cylinder 502 and lower endcaps 602 are connect with lower rock core test block 203, during experiment, two pushing away in water of rock test block 2 It is moved respectively towards two different directions under dynamic, to generate friction, simulates the frictional force between subsurface rock, left side The water-supply-pipe that is arranged by its left end of axis pressure power transmission cylinder 5 be connected with the second plunger pump 9, the axis pressure power transmission cylinder 5 on right side passes through it The water-supply-pipe of right end setting is connected with third plunger pump 11, and the second plunger pump 9 presses power transmission with the upper axis in left-hand axis pressure power transmission cylinder 5 Cylinder 501 connects, and third plunger pump 11 is connect with the lower axle pressure power transmission cylinder 502 of right-hand axis pressure power transmission cylinder 5, passes through the second plunger pump 9 With third plunger pump 11, pushes upper rock test block 201 and lower rock test block 202 slide relatively respectively, then utilize displacement Sensor 16 measures horizontal relative slippage, and the left side of pressure chamber 1 is provided with water injection pipe 12, and water injection pipe 12 sequentially passes through rock core The axis in 2 left side of test block presses power transmission cylinder 5 and end cap 6 and the inside for extending to pressure indoor 3, pressure chamber 1 are connected by water injection pipe 12 There is the 4th plunger pump 10, water injection pipe 12 is equipped with cable heater 15 close to one end of the 4th plunger pump 10, for heating hole Water can carry out high temperature Seepage Experiment, can simulate the influence that the flow under different condition generates rock frictional test, pressure chamber 1 Right side outlet pipe 13 is installed, the water outlet of outlet pipe 13 sequentially passes through the end cap 6 and axis pressure power transmission cylinder on 1 right side of pressure chamber 5 and it is fixedly connected with dust-collecting bucket 14, the water after use can be collected, water injection pipe 12 and outlet pipe 13 are close to pressure chamber One end of room 1 is mounted on temperature sensor 17, the first plunger pump 8, the second plunger pump 9, third plunger pump 11, the 4th plunger pump 10, displacement sensor 16 and temperature sensor 17 are connect with external computer system, by by equipment and computer system into Row connection, facilitates the transmission of data, by the different factors such as hydraulic pressure, the offset of rock test block 2 and temperature change to rock test block 2 Between the rub influence of generation counted, more accurately, people is facilitated to observe and summarize.
In conclusion the rock three-axis friction-seepage flow experiment system, pressure indoor 3 are connected with the first plunger pump 8, pass through The confining pressure that rock is subject in one plunger pump, 8 water filling simulated formation, by the 4th plunger pump 10 toward 2 note pore water of rock core test block, with Flow in simulated formation is separated with heat-shrink tube 4 between rock core test block 2 and pressure indoor 3, is prevented between confining pressure fluid and pore water Crossfire occurs, posts cable heater 15 on water injection pipe 12, for heating pore water, high temperature Seepage Experiment can be carried out, it can be with mould The influence that flow under quasi- different condition generates rock frictional test, so as to so that experimental data is more accurate.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a determiner ", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of rock three-axis friction-seepage flow experiment system, including pressure chamber (1), it is characterised in that:The pressure chamber (1) be internally provided with pressure indoor (3), the pressure indoor (3) is connected with the first plunger pump by the water-supply-pipe that its left end is arranged (8), the pressure indoor (3) is internally provided with rock core test block (2), is equipped between the pressure indoor (3) and rock core test block (2) The both ends of heat-shrink tube (4), the rock core test block (2) are mounted on end cap (6), and are respectively connected with axis on the outside of two end caps (6) Power transmission cylinder (5) is pressed, annular sealing strip (7) is installed, and positioned at the axis on right side pressure power transmission cylinder (5) on the inner wall of the end cap (6) On displacement sensor (16) is installed, the axis pressure power transmission cylinder (5) in left side is connected with the second column by the water-supply-pipe that its left end is arranged The axis pressure power transmission cylinder (5) of plug pump (9), right side is connected with third plunger pump (11), the pressure by the water-supply-pipe that its right end is arranged Water injection pipe (12) is provided on the left of power chamber (1), the water injection pipe (12) sequentially passes through the pressure of the axis on the left of rock core test block (2) and passes Power cylinder (5) and end cap (6) and the inside for extending to pressure indoor (3), the pressure chamber (1) are connected with by water injection pipe (12) Four plunger pumps (10), the water injection pipe (12) is equipped with cable heater (15) close to one end of the 4th plunger pump (10), described Outlet pipe (13) is installed, the water outlet of the outlet pipe (13) sequentially passes through pressure chamber (1) right side on the right side of pressure chamber (1) The end cap (6) and axis of side press power transmission cylinder (5) and are fixedly connected with dust-collecting bucket (14), and the water injection pipe (12) and outlet pipe (13) lean on One end of nearly pressure chamber (1) is mounted on temperature sensor (17).
2. a kind of rock three-axis friction-seepage flow experiment system according to claim 1, it is characterised in that:First column Plug pump (8), the second plunger pump (9), third plunger pump (11), the 4th plunger pump (10), displacement sensor (16) and temperature sensing Device (17) is connect with external computer system.
3. a kind of rock three-axis friction-seepage flow experiment system according to claim 1, it is characterised in that:The rock core examination Block (2) includes upper rock core test block (201) and lower rock core test block (203), and upper rock core test block (201) and lower rock core test block (203) Both sides setting structure it is identical and symmetrical.
4. a kind of rock three-axis friction-seepage flow experiment system according to claim 3, it is characterised in that:The axis pressure passes Power cylinder (5) includes upper axis pressure power transmission cylinder (501) and lower axle presses power transmission cylinder (502), the end cap (6) include upper end cap (601) and Lower endcaps (602).
5. a kind of rock three-axis friction-seepage flow experiment system according to claim 4, it is characterised in that:The upper axis pressure Power transmission cylinder (501) and upper end cap (601) are connect with upper rock core test block (201), the lower axle pressure power transmission cylinder (502) and lower endcaps (602) it is connect with lower rock core test block (203).
6. a kind of rock three-axis friction-seepage flow experiment system according to claim 1, it is characterised in that:Second column Plug pump (9) is connect with the upper axis pressure power transmission cylinder (501) in left-hand axis pressure power transmission cylinder (5), the third plunger pump (11) and right side Axis presses the lower axle pressure power transmission cylinder (502) of power transmission cylinder (5) to connect.
CN201810521457.5A 2018-05-28 2018-05-28 A kind of rock three-axis friction-seepage flow experiment system Pending CN108548724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810521457.5A CN108548724A (en) 2018-05-28 2018-05-28 A kind of rock three-axis friction-seepage flow experiment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810521457.5A CN108548724A (en) 2018-05-28 2018-05-28 A kind of rock three-axis friction-seepage flow experiment system

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CN108548724A true CN108548724A (en) 2018-09-18

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101034088A (en) * 2007-04-18 2007-09-12 同济大学 Rock joint shear-seepage coupling experiment box
CN107014735A (en) * 2017-05-16 2017-08-04 绍兴文理学院 A kind of multifunctional rock crack infiltration experiment system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101034088A (en) * 2007-04-18 2007-09-12 同济大学 Rock joint shear-seepage coupling experiment box
CN107014735A (en) * 2017-05-16 2017-08-04 绍兴文理学院 A kind of multifunctional rock crack infiltration experiment system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
钟振 等: "石灰岩裂隙摩擦滑动特性试验研究", 《岩土力学》 *

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