CN108051306A - A kind of rock mass absciss layer dislocation is on the experimental rig of the disrumpent feelings influence of anchor cable - Google Patents
A kind of rock mass absciss layer dislocation is on the experimental rig of the disrumpent feelings influence of anchor cable Download PDFInfo
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- CN108051306A CN108051306A CN201711314233.9A CN201711314233A CN108051306A CN 108051306 A CN108051306 A CN 108051306A CN 201711314233 A CN201711314233 A CN 201711314233A CN 108051306 A CN108051306 A CN 108051306A
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- anchor cable
- steel pipe
- absciss layer
- rock mass
- jack
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Piles And Underground Anchors (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to the experimental rig that anchor cable is disrumpent feelings, including frame, absciss layer jack, dislocation jack, steel pipe, data collector, hydraulic power console, tablet bearing, anchor cable；The drilling in rock mass is simulated with steel pipe；Cutting gap simulates rock mass absciss layer on steel pipe；The angle of anchor cable pallet, lockset and angle sleeve is realized axial inconsistent between anchor cable section in anchor cable revealed section and steel pipe；The active force that absciss layer jack and dislocation jack apply causes the unlatching of cutting gap on steel pipe and dislocation to simulate rock mass absciss layer and dislocation；Tablet bearing sliding shoe is mounted between sliding shoe, frame and sliding shoe；Sliding shoe is axially fixed the steel pipe of simulation rock body drilled；Stress variation data of the anchor cable under different stress conditions, computer record and preservation data are gathered by the strain gauge and data collector that are mounted on anchor cable；The experimental rig helps to study the disrumpent feelings analysis of causes of anchor cable, anchorage cable stress state analysis, and rock mass deformation destroys the function analysis to anchor cable.
Description
Technical field
The invention belongs to the experimental rig that a kind of anchor cable is disrumpent feelings, for studying the disrumpent feelings analysis of causes of anchor cable, anchor cable stress
State analysis, rock mass deformation destroy the function analysis to anchor cable.
Background technology
Bolting and rope support has been one of main support form of coal mine roadway, and anchor cable is usually as strengthening supporting hand
Section, it, which has, actively reinforces the advantages that country rock, supporting intensity are big, and construction cost is low, and speed of application is fast, as coal mine roadway
Top plate and two major measures and method for helping supporting.But there are anchor rope breakages during anchor cable installation and use to cause safe thing
Therefore the phenomenon that.Anchor cable is mounted in country rock, and deformation failure and the anchor cable installation of country rock are unreasonable to cause the disrumpent feelings of anchor cable, have
Anchor cable it is stranded after ejection may occur cause and hurt sb.'s feelings.The integral strength of anchor cable reduces simultaneously, causes the carrying energy of supporting construction
Power reduces, and support system can be destroyed further under the influence of digging disturbance, cause chain disrumpent feelings reaction, serious threat ore deposit
Mountain must keep the safety in production.
Have at present to the anchor cable breakage analysis method of roadway support following several：1) field investigation is showed by collecting mine
The disrumpent feelings survey data of the substantial amounts of anchor cable in field such as the disrumpent feelings form of anchor cable, position and form, analyzes the reason for anchor cable is disrumpent feelings, system
Surely the measure for preventing cable bolting disrumpent feelings and method.2) laboratory test, is installed on forcing press and fixed anchor cable carries out tensioning,
Study the disrumpent feelings yield limit of anchor cable and disrumpent feelings form.These methods have respective limitation, it is necessary to which a kind of can simulate anchor cable work
Make experimental rig disrumpent feelings under state, that is, simulate the failure and deformation of surrounding rocks experimental rig for generating which kind of influence disrumpent feelings on anchor cable.
The content of the invention
In order to overcome the shortcomings of present in existing research method and experimental rig, the invention reside in providing, a kind of anchor cable is disrumpent feelings
Experimental rig.
To achieve the above object, the technical scheme is that：
The experimental rig that a kind of rock mass absciss layer misplaces on the disrumpent feelings influence of anchor cable, it is very heavy including frame, absciss layer jack, dislocation
Top, steel pipe, data collector, hydraulic power console, tablet bearing, anchor cable and attachment.
The implementation method of anchor cable rupture test simulated environment：The drilling in rock mass is simulated with steel pipe；Seam is cut on steel pipe
Gap simulates rock mass absciss layer；Thrust simulation rock mass absciss layer active force is applied to sliding shoe by absciss layer jack；Dislocation jack is given
Sliding shoe applies thrust simulation Rock mass dislocation active force；Pass through the hydraulic pump control absciss layer jack in hydraulic control panel and dislocation
The thrust size of jack, the active force of simulation rock mass absciss layer dislocation.
The angle of anchor cable pallet, lockset and angle sleeve is realized in anchor cable revealed section and steel pipe axially to differ between anchor cable section
It causes.
Tablet bearing sliding shoe is mounted between absciss layer jack and sliding shoe, frame and sliding shoe, realizes sliding shoe
Smooth movement.
Sliding shoe is axially fixed the steel pipe of simulation rock body drilled.
Anchor cable pallet and lockset are mounted on angle sleeve, and angle sleeve is axial consistent with steel pipe.
Anchor cable answering under different stress conditions is gathered by the strain gauge and data collector that are mounted on anchor cable
Power delta data, computer record and preservation data.
A kind of rock mass absciss layer dislocation is on the operating method of the experimental rig of the disrumpent feelings influence of anchor cable：
Step 1：It is needed to intercept anchor cable according to experiment, prepares lockset and pallet；The mount stress sensor on anchor cable.
Step 2：Angle sleeve is mounted on steel pipe one end, anchor cable is mounted in steel pipe, and by strain gauge data
Line is drawn out of steel pipe, is installed pallet and lockset respectively at anchor cable both ends, and is applied and reach design pretightning force.
Step 3：Steel pipe is fixed by fixed block, sliding shoe is axial arranged along steel pipe, the joint-cutting on steel pipe, then fixed block
Absciss layer jack is installed between sliding shoe and panel axes are held, tablet bearing is installed between sliding shoe and frame.
Step 4：Data cable is connected on data collector, data collector is connected with computer, tune-up data acquisition
The acquisition and preservation of device and computer to data.
Step 5：Installation dislocation jack, perpendicular to steel pipe axial direction.
Step 6：It is pressurizeed by the hydraulic pump of hydraulic control panel to absciss layer jack, simulates rock mass absciss layer active force, then give
Misplace jack pressurization, simulates Rock mass dislocation active force；Data collector and computer realize the acquisition and preservation of data simultaneously.
The advantageous effects of the present invention are：The experimental rig helps to study the disrumpent feelings analysis of causes of anchor cable, mainly
The effect disrumpent feelings to anchor cable from the deformation failure of anchor cable installation quality, country rock；In different surrounding rock deformation condition during anchor cable work
Under stress detection；The disrumpent feelings measure of anchor cable and method are prevented under the conditions of the similary failure and deformation of surrounding rocks of research and analysis.
Description of the drawings
A kind of rock mass absciss layer dislocation of Fig. 1 is on the experimental rig schematic diagram of the disrumpent feelings influence of anchor cable
The schematic diagram of anchor cable is anchored in Fig. 2 simulation drillings
In figure：1- data collector 2- computer 3- fixed block 4- sliding shoe 5- frame 6- lockset 7- pallets 8-
Angle sleeve 9- data cable 10- strain gauge 11- steel pipe 12- anchor cable 13- tablet bearing 14- absciss layer jack 15-
Joint-cutting 16- dislocation jack 17- hydraulic control panel 18- anchoring sections
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Anchor cable rupture test under the conditions of 1. the axial direction of anchor cable is inconsistent in revealed section anchor cable and drilling
Step 1：It is needed to intercept anchor cable (12) according to experiment, prepares lockset (6) and pallet (7)；It is installed on anchor cable (12)
Strain gauge (10).
Step 2：Angle sleeve (8) is mounted on steel pipe (11) one end, anchor cable (12) is mounted in steel pipe (11), and
Strain gauge (10) data cable (9) out of steel pipe (11) is drawn, pallet (7) and lockset are installed respectively at anchor cable (12) both ends
(6), design pretightning force is applied from angle sleeve (8) one end to anchor cable (12).
Step 3：By the fixed steel pipe (11) of fixed block (3), sliding shoe (4) is axial arranged along steel pipe (11), in steel pipe
(11) absciss layer jack (14) is installed between joint-cutting (15) on, then fixed block (3) and sliding shoe (4) and panel axes hold (13),
Tablet bearing (13) is installed between sliding shoe (4) and frame (5).
Step 4：Data cable (9) is connected on data collector (1), data collector (1) is connected with computer (2),
The acquisition and preservation of tune-up data collector (1) and computer (2) to data.
Step 5：Installation dislocation jack (16), perpendicular to steel pipe (11) axial direction.
Step 6：It is pressurizeed by the hydraulic pump of hydraulic control panel (17) to absciss layer jack (14), simulation rock mass absciss layer is made
Firmly, then to dislocation jack (16) pressurize, simulate Rock mass dislocation active force, until anchor cable (12) is broken；Data acquisition simultaneously
Device (1) and computer (2) realize the acquisition and preservation of data.
2. simulate anchor cable rupture test under the conditions of one end anchoring and one end installation pallet lockset
Step 1：It is needed to intercept anchor cable (12) according to experiment, prepares lockset (6) and pallet (7)；It is installed on anchor cable (12)
Strain gauge (10), data cable (9) are close to anchor cable (12) surface and are fixed.
Step 2：The steel pipe (11) of simulation drilling uses another end closure of one end open, and Anchor Agent is pushed into steel pipe (11),
Again by anchor cable (12) push-in steel pipe (11), rotate anchor cable (12) with electric drill and puncture Anchor Agent, stirring Anchor Agent to design time,
The anchoring section (18) of anchor cable (12) is formed in the blind end of steel pipe (11), angle sleeve (8) is mounted on steel pipe (11) one end, and will
Strain gauge (10) data cable (9) is drawn out of steel pipe (11), applies design in advance from angle sleeve (8) one end to anchor cable (12)
Clamp force.
Step 3：By the fixed steel pipe (11) of fixed block (3), sliding shoe (4) is axial arranged along steel pipe (11), in steel pipe
(11) absciss layer jack (14) is installed between joint-cutting (15) on, then fixed block (3) and sliding shoe (4) and panel axes hold (13),
Tablet bearing (13) is installed between sliding shoe (4) and frame (5).
Step 4：Data cable (9) is connected on data collector (1), data collector (1) is connected with computer (2),
The acquisition and preservation of tune-up data collector (1) and computer (2) to data.
Step 5：Installation dislocation jack (16), perpendicular to steel pipe (11) axial direction.
Step 6：It is pressurizeed by the hydraulic pump of hydraulic control panel (17) to absciss layer jack (14), simulation rock mass absciss layer is made
Firmly, then to dislocation jack (16) pressurize, simulate Rock mass dislocation active force, until anchor cable (12) is broken；Data acquisition simultaneously
Device (1) and computer (2) realize the acquisition and preservation of data.
3. simulate " three footpaths " matching anchor cable rupture test
Step 1：It is needed to intercept anchor cable (12) according to experiment, prepares lockset (6) and pallet (7)；It is installed on anchor cable (12)
Strain gauge (10), data cable (9) are close to anchor cable (12) surface and are fixed.
Step 2：The different-diameter steel pipe (11) (using another end closure of one end open) of selection simulation drilling is different straight
Footpath Anchor Agent is pushed into steel pipe (11) Anchor Agent push-in steel pipe (11), then by anchor cable (12), rotates anchor cable (12) with electric drill and pierce
Broken Anchor Agent, stirring Anchor Agent to design time form the anchoring section (18) of anchor cable (12), angle in the blind end of steel pipe (11)
Sleeve (8) is mounted on steel pipe (11) one end, and strain gauge (10) data cable (9) is drawn out of steel pipe (11), from angle
Sleeve (8) one end applies design pretightning force to anchor cable (12).
Step 3：By the fixed steel pipe (11) of fixed block (3), sliding shoe (4) is axial arranged along steel pipe (11), in steel pipe
(11) absciss layer jack (14) is installed between joint-cutting (15) on, then fixed block (3) and sliding shoe (4) and panel axes hold (13),
Tablet bearing (13) is installed between sliding shoe (4) and frame (5).
Step 4：Data cable (9) is connected on data collector (1), data collector (1) is connected with computer (2),
The acquisition and preservation of tune-up data collector (1) and computer (2) to data；
Step 5：Installation dislocation jack (16), perpendicular to steel pipe (11) axial direction.
Step 6：It is pressurizeed by the hydraulic pump of hydraulic control panel (17) to absciss layer jack (14), simulation rock mass absciss layer is made
Firmly, then to dislocation jack (16) pressurize, simulate Rock mass dislocation active force, until anchor cable (12) is broken；Data acquisition simultaneously
Device (1) and computer (2) realize the acquisition and preservation of data.
The above description is merely a specific embodiment, but the protection domain invented is not limited thereto, any ripe
The engineers and technicians for knowing the art within the technical scope of the present invention, can do some conversion, such as frame structure, loading side
Formula, the shape of simulation drilling and means of testing etc. should all be used as and invade protection scope of the present invention.Therefore the protection of the present invention
Scope should be subject to the protection domain of claims.
Claims (4)
1. a kind of rock mass absciss layer dislocation is on the experimental rig of the disrumpent feelings influence of anchor cable, it is characterised in that：It is very heavy including frame, absciss layer
Top, dislocation jack, steel pipe, data collector, hydraulic power console, tablet bearing, anchor cable.
2. a kind of rock mass absciss layer dislocation simulated environment for influencing experimental rig disrumpent feelings on anchor cable, it is characterised in that：1. with steel pipe mould
Intend the drilling in rock mass；Cutting gap simulates rock mass absciss layer on steel pipe；Thrust mould is applied to sliding shoe by absciss layer jack
Intend rock mass absciss layer active force；The jack that misplaces applies thrust simulation Rock mass dislocation active force to sliding shoe；Pass through hydraulic control panel
Interior hydraulic pump control absciss layer jack and the thrust size of dislocation jack, the active force of simulation rock mass absciss layer dislocation.
3. a kind of rock mass absciss layer dislocation matching influenced between experimental rig component disrumpent feelings on anchor cable, it is characterised in that：Anchor cable support
The angle of disk, lockset and angle sleeve is realized axial inconsistent between anchor cable section in anchor cable revealed section and steel pipe；Absciss layer jack
Tablet bearing sliding shoe is mounted between sliding shoe, frame and sliding shoe, realizes the smooth movement of sliding shoe；Sliding shoe edge
Axial restraint simulates the steel pipe of rock body drilled；Anchor cable pallet and lockset are mounted on angle sleeve, the axis of angle sleeve and steel pipe
To consistent；Absciss layer jack is installed parallel to steel pipe axial direction；The jack that misplaces is installed perpendicular to steel pipe axial direction；Pass through
The stress variation data of strain gauge and data collector acquisition anchor cable under different stress conditions on anchor cable, meter
Calculation machine records and preserves data.
4. the operating method that a kind of rock mass absciss layer according to claim 1 misplaces on the experimental rig of the disrumpent feelings influence of anchor cable,
It is characterized in that：
1. needing to intercept anchor cable according to experiment, prepare lockset and pallet；The mount stress sensor on anchor cable；
2. angle sleeve is mounted on steel pipe one end, anchor cable is mounted in steel pipe, and by strain gauge data cable from steel pipe
Interior extraction installs pallet and lockset at anchor cable both ends, and applies and reach design pretightning force respectively；
3. fixing steel pipe by fixed block, sliding shoe is axial arranged along steel pipe, the joint-cutting on steel pipe, then fixed block and sliding shoe it
Between absciss layer jack and panel axes are installed hold, tablet bearing is installed between sliding shoe and frame；
4. data cable is connected on data collector, data collector is connected with computer, tune-up data collector and calculating
Acquisition and preservation of the machine to data；
5. installation dislocation jack, perpendicular to steel pipe axial direction；
6. pressurizeing by the hydraulic pump of hydraulic control panel to absciss layer jack, rock mass absciss layer active force is simulated, then it is very heavy to misplacing
Top pressurization, simulates Rock mass dislocation active force；Data collector and computer realize the acquisition and preservation of data simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314233.9A CN108051306B (en) | 2017-12-12 | 2017-12-12 | Test device for testing influence of rock separation layer dislocation on anchor cable breakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314233.9A CN108051306B (en) | 2017-12-12 | 2017-12-12 | Test device for testing influence of rock separation layer dislocation on anchor cable breakage |
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| Publication Number | Publication Date |
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| CN108051306A true CN108051306A (en) | 2018-05-18 |
| CN108051306B CN108051306B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711314233.9A Active CN108051306B (en) | 2017-12-12 | 2017-12-12 | Test device for testing influence of rock separation layer dislocation on anchor cable breakage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115632A (en) * | 2018-09-30 | 2019-01-01 | 河南理工大学 | The comprehensive shearing experiment device of anchoring body and its experimental method |
| CN110261234A (en) * | 2019-07-05 | 2019-09-20 | 山东科技大学 | Crack rock absciss layer support with bolting simulation test device and method |
| CN117949306A (en) * | 2024-03-27 | 2024-04-30 | 河海大学 | Constant-resistance anchor rod large-displacement drawing machine and use method thereof |
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| JPH11303598A (en) * | 1998-04-22 | 1999-11-02 | Shimizu Corp | Shearing strength testing method of grout and natural ground |
| JPH11326127A (en) * | 1998-05-13 | 1999-11-26 | Futaba Sangyo Kk | Durability test device for plug cord |
| CN101963555A (en) * | 2010-08-19 | 2011-02-02 | 天地科技股份有限公司 | Anchor rod or anchor rope support stress test method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109115632A (en) * | 2018-09-30 | 2019-01-01 | 河南理工大学 | The comprehensive shearing experiment device of anchoring body and its experimental method |
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| CN110261234A (en) * | 2019-07-05 | 2019-09-20 | 山东科技大学 | Crack rock absciss layer support with bolting simulation test device and method |
| CN117949306A (en) * | 2024-03-27 | 2024-04-30 | 河海大学 | Constant-resistance anchor rod large-displacement drawing machine and use method thereof |
| CN117949306B (en) * | 2024-03-27 | 2024-06-07 | 河海大学 | Constant-resistance anchor rod large-displacement drawing machine and use method thereof |
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| CN108051306B (en) | 2020-05-12 |
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