CN206832583U - It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass - Google Patents
It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass Download PDFInfo
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- CN206832583U CN206832583U CN201720713864.7U CN201720713864U CN206832583U CN 206832583 U CN206832583 U CN 206832583U CN 201720713864 U CN201720713864 U CN 201720713864U CN 206832583 U CN206832583 U CN 206832583U
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- test block
- anchor pole
- subframe
- shearing
- rock mass
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Abstract
It is used for the experimental rig of anchor pole stretching and shearing in jointed rock mass the utility model discloses a kind of, including main frame, the first test block and the second test block being laid in side by side inside main frame, the first subframe for reinforcing the first test block is enclosed with the outside of first test block, the second subframe for reinforcing the second test block is enclosed with the outside of second test block, run through in first test block and the second test block and be embedded with anchor pole, load collecting unit is provided with anchor pole, first test block is fixedly connected on main frame, the jack for shearing anchor pole is provided with below second test block, the drawing bar for stretching anchor pole is provided with second subframe, drawing bar is located at the bearing of trend of anchor pole, anchor rod drawing instrument is connected with drawing bar.The utility model can simulate the experiment that the anchor pole being pointed in jointed rock mass is stretched and sheared, and the reinforcement mechanism that can be anchor pole in jointed rock mass provides important test data, easy to utilize.
Description
Technical field
The utility model belongs to Geotechnical Engineering field, and being used for anchor pole in jointed rock mass more particularly to one kind stretches and cut
The experimental rig cut.
Background technology
Anchor pole has good consolidation effect to jointed rock mass, can effectively suppress the joint plane extension or sliding of jointed rock mass
It is dynamic, but during the entire process of roadway excavation, outside construction and exploitation, the joint rock stratum after anchoring may proceed to deform, section
The joint fissure of reason rock mass can still further expand.Joint fissure can produce additional stress in expansion process to anchor pole, now
The external load that anchor pole is subject to can increase, and anchoring interface can occur unsticking destruction even anchor pole and be pulled off, due to answering for jointed rock mass
Polygamy, reinforcement mechanism of the anchor pole in jointed rock mass also needs to carry out substantial amounts of experimental study and theoretical discussion, therefore should provide
It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided one kind is used for
The experimental rig of anchor pole stretching and shearing in jointed rock mass, its is simple in construction, reasonable in design, can simulate and be pointed to jointed rock mass
In the anchor pole experiment that is stretched and sheared, the reinforcement mechanism that can be anchor pole in jointed rock mass provides important experiment number
According to easy to utilize.
In order to solve the above technical problems, the technical solution adopted in the utility model is:One kind is used for anchor pole in jointed rock mass
Stretching and the experimental rig of shearing, it is characterised in that:Including main frame, the first test block inside main frame and the are laid in side by side
Two test blocks, are enclosed with the first subframe for reinforcing the first test block on the outside of first test block, second test block it is outer
Side is enclosed with the second subframe for reinforcing the second test block, runs through in first test block and the second test block and is embedded with anchor pole,
Load collecting unit is provided with the anchor pole, first test block is fixedly connected on main frame, below second test block
The jack for shearing anchor pole is provided with, the drawing bar for stretching anchor pole, the drawing are provided with second subframe
Dead man is located at the bearing of trend of anchor pole, and anchor rod drawing instrument is connected with the drawing bar.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:The load
Collecting unit is foil strain gauge, and the quantity of the foil strain gauge is multiple.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:Described first
Test block is fixedly connected by high-strength bolt with main frame, and second test block is placed on flat car.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:The main frame
Frame is cuboid framework, and the bottom of the main frame is provided with bottom plate, is provided with the top of the main frame and pacifies for high-strength bolt
The installing plate of dress.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:Described first
Subframe and the second subframe are made by angle steel, and the first subframe is wrapped on the seamed edge of the first test block, the second subframe bag
It is rolled on the seamed edge of the second test block.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:Described first
Connecting plate is provided with subframe and the second subframe, the drawing bar is fixedly mounted on the connection on the second subframe
On plate.
Above-mentioned is a kind of for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:The main frame
Frame is fixed on the ground by foundation bolt.
The utility model has advantages below compared with prior art:
1st, the utility model is by the way that the lay side by side first test block and the second test block are connected as one by anchor pole, and first
The first subframe is enclosed with the outside of test block, be enclosed with the second subframe, and load is set on anchor pole on the outside of the second test block
Collecting unit;When carrying out tension test to anchor pole, because the first test block is fixed on main frame, drawn using anchor rod drawing instrument
The dynamic drawing bar being arranged on the second subframe, so as to pull the second test block in the second subframe, makes the second test block
Moved to the direction away from the first test block, so as to cause stretcher strain to anchor pole;When carrying out shearing test to anchor pole, due to the
One test block is fixed on main frame, jacks the second test block using jack so that occur between the second test block and the first test block
Dislocation, so as to cause detrusion to anchor pole;The examination that the anchor pole being pointed in jointed rock mass is stretched and sheared can be simulated
Test, the reinforcement mechanism that can be anchor pole in jointed rock mass provides important test data, easy to utilize.
2nd, the utility model is on anchor pole by pasting foil strain gauge, and foil strain gauge be uniformly laid in the first test block and
In second test block, when anchor pole is stretched power or shearing force, anchor pole can be gathered under stressing conditions using foil strain gauge
Size is deformed, using effect is good.
3rd, the first test block is fixedly connected by the utility model by high-strength bolt with main frame, the second test block is placed on flat
On wooden handcart, reduce caused frictional force during the second test block of pulling so that it is time saving and energy saving when stretching anchor pole, and energy
The pulling force for enough avoiding frictional force from providing anchor rod drawing instrument impacts, so as to influence test accuracy.
4th, the utility model is simple in construction, reasonable in design, low manufacture cost, service life length, easy to utilize.
In summary, the utility model is simple in construction, reasonable in design, can simulate the anchor pole being pointed in jointed rock mass and enter
The reinforcement mechanism that row stretching and the experiment of shearing can be anchor pole in jointed rock mass provides important test data, is easy to push away
Wide application.
Below by drawings and examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the connection relationship diagram of the subframe of the utility model second and drawing bar.
Fig. 3 is the connection relationship diagram of the utility model anchor pole and foil strain gauge.
Description of reference numerals:
1-main frame;2-the first test block;3-the second test block;
4-the first subframe;5-the second subframe;6-anchor pole;
7-pallet;8-high-strength bolt;9-jack;
10-flat car;11-connecting plate;12-drawing bar;
13-anchor rod drawing instrument;14-foil strain gauge;15-foundation bolt;
16-backing plate.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model includes main frame 1, be laid in side by side inside main frame 1 first
The test block 3 of test block 2 and second, the outside of first test block 2 is enclosed with the first subframe 4 for reinforcing the first test block 2, described
The outside of second test block 3 is enclosed with the second subframe 5 for reinforcing the second test block 3, the test block 3 of the first test block 2 and second
It is interior through being embedded with anchor pole 6, load collecting unit is provided with the anchor pole 6, first test block 2 is fixedly connected on main frame
On 1, the lower section of the second test block 3 is provided with the jack 9 for shearing anchor pole 6, is provided with and is used on second subframe 5
The drawing bar 12 of anchor pole 6 is stretched, the drawing bar 12 is located at the bearing of trend of anchor pole 6, anchor pole is connected with the drawing bar 12
Drawing instrument 13.
During actual use, the first test block 2 laid side by side and the second test block 3 are connected as one by anchor pole 6, the first examination
The outside of block 2 is enclosed with the first subframe 4, and the outside of the second test block 3 is enclosed with the second subframe 5, and sets and carry on anchor pole 6
Lotus collecting unit;When carrying out tension test to anchor pole 6, because the first test block 2 is fixed on main frame 1, drawn using anchor pole
Pull out instrument 13 and pull the drawing bar 12 being arranged on the second subframe 5, so as to pull the second test block in the second subframe 5
3, the second test block 3 is moved to the direction away from the first test block 2, so as to cause stretcher strain to anchor pole 6;Carried out when to anchor pole 6
During shearing test, similarly, since the first test block 2 is fixed on main frame 1, therefore, the second test block 3 is jacked using jack 9,
So that misplaced between the second test block 3 and the first test block 2, so as to cause detrusion to anchor pole 6;It can simulate and be pointed to save
The experiment that is stretched and sheared of anchor pole 6 in reason rock mass, reinforcement mechanism that can be for anchor pole 6 in jointed rock mass provide important
Test data, it is easy to utilize.
During actual use, one end of anchor pole 6 is located inside the second test block 3, and the other end of the anchor pole 6 stretches out the first test block
2, and be fixedly mounted on by locking nut on pallet 7.
In the present embodiment, the load collecting unit is foil strain gauge 14, and the quantity of the foil strain gauge 14 is eight, is needed
It should be noted that four foil strain gauges 14 are located in the first test block 2, four foil strain gauges 14 are located in the second test block 3.
In the present embodiment, first test block 2 is fixedly connected by high-strength bolt 8 with main frame 1, second test block 3
It is placed on flat car 10, the setting of flat car 10 is to reduce caused frictional force during the second test block 2 of pulling, make
Obtain when stretching anchor pole 6, it is time saving and energy saving, and the pulling force that frictional force can be avoided to provide anchor rod drawing instrument 13 impacts, from
And influence test accuracy.During actual use, in order to ensure the levelness of the placement of anchor pole 6, it is necessary to which the first test block 2 is placed on into pad
On plate 16.
In the present embodiment, the main frame 1 is cuboid framework, and the bottom of the main frame 1 is provided with bottom plate, flat car
10 and backing plate 16 lie in a horizontal plane on the bottom plate, the top of the main frame 1 is provided with the installation installed for high-strength bolt 8
Plate.
In the present embodiment, the subframe 5 of the first subframe 4 and second is made by angle steel, and the first subframe 4 is wrapped in
On the seamed edge of first test block 2, the second subframe 5 is wrapped on the seamed edge of the second test block 3.
In the present embodiment, connecting plate 11, the drawing bar are provided with the subframe 5 of the first subframe 4 and second
12 are fixedly mounted on the connecting plate 11 on the second subframe 5, during actual use, in order to ensure the first subframe 4 and
Two subframes 5 it is firm fixed, it should increase being fixedly connected for connecting plate 11 and each side bar of the cuboid framework as far as possible
Distance, it should be noted that:In order to not influence the first test block 2 and the deformation of the immediate vicinity jointed rock mass of the second test block 3, the first examination
The test block 3 of block 2 and second is not provided with connecting plate 11 on two relative faces.
In the present embodiment, the main frame 1 is fixed on the ground by foundation bolt 13.
In the present embodiment, the pressure gauge for detecting pulling capacity is provided with the anchor rod drawing instrument 13, is pressed by setting
Power table, the pressure of anchor rod drawing instrument 13 in drawing process can be recorded in real time.
During actual use, first, the prefabricated test block 3 of first test block 2 and second is pre- in the first test block 2 and the inside of the second test block 3
Anchor pole 6 is buried, and foil strain gauge 14 is pasted on anchor pole 6;Secondly, the first subframe 4 is set with the outside of the first test block 2, the
The outside of two test blocks 3 is set with the second subframe 5, and drawing bar 12 is connected on the second subframe 5;Then, at the bottom of main frame 1
Backing plate 16 and flat car 10 are placed on plate, by the opening of the side of main frame 1, the first test block 2 is placed on backing plate 16 respectively
On, the second test block 3 is placed on flat car 10, recycles high-strength bolt 8 to be fixedly connected with the first test block 2 with main frame 1, so
Afterwards, jack 9 is installed in the lower section of the second test block 3, anchor rod drawing instrument 13 is connected on drawing bar 12;Finally, anchor pole is utilized
Drawing instrument 13 pulls drawing bar 12, so as to pull the second test block 3, the second test block 3 is moved to the direction away from the first test block 2,
So as to cause stretcher strain to anchor pole 6, the second test block 3 is jacked using jack 9 so that between the second test block 3 and the first test block 2
Misplace, so as to cause detrusion to anchor pole 6, the pressure of the anchor rod drawing instrument 13 shown by recording manometer, pass through
Measure the displacement that the second test block 3 is moved in main frame 1, reinforcement mechanism of the analysis and research anchor pole 6 in jointed rock mass.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass, it is characterised in that:Including main frame (1), simultaneously
Row are laid in internal the first test block (2) and the second test block (3) of main frame (1), and use is enclosed with the outside of first test block (2)
It is enclosed with the outside of the first subframe (4) for reinforcing the first test block (2), second test block (3) for reinforcing the second test block
(3) run through in the second subframe (5), first test block (2) and the second test block (3) and be embedded with anchor pole (6), the anchor pole
(6) load collecting unit is provided with, first test block (2) is fixedly connected on main frame (1), second test block (3)
Lower section is provided with the jack (9) for shearing anchor pole (6), is provided with second subframe (5) for stretching anchor pole (6)
Drawing bar (12), the drawing bar (12) is located at the bearing of trend of anchor pole (6), and anchor pole drawing is connected with the drawing bar (12)
Pull out instrument (13).
2. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 1, its feature exists
In:The load collecting unit is foil strain gauge (14), and the quantity of the foil strain gauge (14) is multiple.
3. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 1 or 2, its feature
It is:First test block (2) is fixedly connected by high-strength bolt (8) with main frame (1), and second test block (3) is placed on
On flat car (10).
4. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 3, its feature exists
In:The main frame (1) is cuboid framework, and the bottom of the main frame (1) is provided with bottom plate, the top of the main frame (1)
Portion is provided with the installing plate for high-strength bolt (8) installation.
5. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 1, its feature exists
In:First subframe (4) and the second subframe (5) make by angle steel, and the first subframe (4) is wrapped in the first test block
(2) on seamed edge, the second subframe (5) is wrapped on the seamed edge of the second test block (3).
6. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 1, its feature exists
In:Connecting plate (11), the fixed peace of the drawing bar (12) are provided with first subframe (4) and the second subframe (5)
On the connecting plate (11) on the second subframe (5).
7. according to a kind of experimental rig for stretching and shearing for anchor pole in jointed rock mass described in claim 1, its feature exists
In:The main frame (1) is fixed on the ground by foundation bolt (15).
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CN201720713864.7U CN206832583U (en) | 2017-06-19 | 2017-06-19 | It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass |
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CN201720713864.7U CN206832583U (en) | 2017-06-19 | 2017-06-19 | It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass |
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Cited By (7)
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CN108414354A (en) * | 2018-01-19 | 2018-08-17 | 石家庄铁道大学 | Natural rock mass hard structural plane three-dimensionalreconstruction and anchorage experiment system and method |
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 |
CN109297814A (en) * | 2018-11-13 | 2019-02-01 | 重庆大学 | A kind of test method measuring angle steel test specimen tensile mechanical properties |
CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
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CN110261235A (en) * | 2019-07-05 | 2019-09-20 | 山东科技大学 | Crack country rock anchoring property damage measure device and test method |
CN111398063A (en) * | 2020-03-31 | 2020-07-10 | 中国地质大学(武汉) | Axial force meter-based prediction method for shear load-shear displacement curve of anchoring joint surface |
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2017
- 2017-06-19 CN CN201720713864.7U patent/CN206832583U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108414354A (en) * | 2018-01-19 | 2018-08-17 | 石家庄铁道大学 | Natural rock mass hard structural plane three-dimensionalreconstruction and anchorage experiment system and method |
CN108414354B (en) * | 2018-01-19 | 2020-06-30 | 石家庄铁道大学 | Three-dimensional reconstruction and anchoring test system and method for natural rock mass hard structural plane |
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 |
CN109115632B (en) * | 2018-09-30 | 2024-05-03 | 河南理工大学 | Anchoring body comprehensive shearing experiment device and experiment method thereof |
CN109297814A (en) * | 2018-11-13 | 2019-02-01 | 重庆大学 | A kind of test method measuring angle steel test specimen tensile mechanical properties |
CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
CN109900563B (en) * | 2019-01-28 | 2022-04-15 | 宁波大学 | Shear test method for oversized anchoring structure surface |
CN110044526A (en) * | 2019-05-10 | 2019-07-23 | 吉林大学 | A kind of optical fiber optical grating stress sensor and its processing and scaling method |
CN110044526B (en) * | 2019-05-10 | 2020-06-02 | 吉林大学 | Fiber grating stress sensor and processing and calibration method thereof |
CN110261235A (en) * | 2019-07-05 | 2019-09-20 | 山东科技大学 | Crack country rock anchoring property damage measure device and test method |
CN111398063A (en) * | 2020-03-31 | 2020-07-10 | 中国地质大学(武汉) | Axial force meter-based prediction method for shear load-shear displacement curve of anchoring joint surface |
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Granted publication date: 20180102 Termination date: 20210619 |