CN108613652A - The experimental rig and method of scar irregularity degree are simulated in anchor pole test - Google Patents
The experimental rig and method of scar irregularity degree are simulated in anchor pole test Download PDFInfo
- Publication number
- CN108613652A CN108613652A CN201810757936.7A CN201810757936A CN108613652A CN 108613652 A CN108613652 A CN 108613652A CN 201810757936 A CN201810757936 A CN 201810757936A CN 108613652 A CN108613652 A CN 108613652A
- Authority
- CN
- China
- Prior art keywords
- anchor pole
- roof bolt
- bolt plate
- scar
- locking device
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 231100000241 scar Toxicity 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 4
- 238000004873 anchoring Methods 0.000 claims abstract description 56
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The experimental rig and test method of scar irregularity degree are simulated in being tested the invention discloses a kind of anchor pole, which includes experiment pier, anchor pole, roof bolt plate, wedge block and locking device；The test method that simulation test is carried out by this experimental rig includes mainly step S1 S6.Present invention design is clipped between roof bolt plate and anchoring surface using wedge block so that roof bolt plate generates the inclination of different situations, achievees the purpose that simulate scar irregularity degree with this；Integrated test facility is simple in structure, and test method is easy to operate, and the actual conditions of engineering site are accurately expressed during being tested indoors, and the test data measured is reliable, is with a wide range of applications.
Description
Technical field
The present invention relates to geotechnical engineering experimental technique fields, and in particular to simulates scar irregularity degree in a kind of test of anchor pole
Experimental rig and method.
Background technology
Often miscellaneous complicated geological can be encountered during tunneling and underground engineering develops and in work progress
And environmental condition, due to these complicated geologic conditions and environmental condition, anchor pole 1 is usually with hole wall at certain angle in Practical Project
Degree squeezes into country rock, or because after tunnel excavation, due to the limitation of construction technology, hole wall, which is likely to occur, backbreaks and owe digging
Phenomenon causes backing plate with anchor pole 1 at non-perpendicular state so as to cause the out-of-flatness of hole wall.Scar out-of-flatness is very common feelings
The case where condition, this requires laboratory test should also simulate scar out-of-flatness as possible, is preferably to reach the requirement of field condition.
Invention content
For the above-mentioned deficiency of the prior art, the examination of scar irregularity degree is simulated in being tested the present invention provides a kind of anchor pole
Experiment device and the test method for using the device.
To achieve the above object of the invention, the technical solution adopted in the present invention is：
There is provided the experimental rig that scar irregularity degree is simulated in a kind of test of anchor pole comprising experiment pier, anchor pole, anchor pole
Backing plate, wedge block and locking device, experiment pier includes anchoring surface, and is offered from anchoring surface and extend into experiment pier
The interior preformed hole being inserted into for anchor pole；Roof bolt plate is arch harden structure, and the top of roof bolt plate is offered to be led to for anchor pole is perforative
Hole；The bottom end of roof bolt plate includes the first squeeze station and the second squeeze station, wedge block be inserted into the first squeeze station and anchoring surface it
Between；Anchor pole pass through through-hole be inserted into preformed hole in, locking device is sheathed on anchor pole, and with the tip contact of roof bolt plate；Anchor pole
Force-measuring sensing element is provided on the anchor pole of backing plate and anchoring surface, force-measuring sensing element is electrically connected with sensing element receiving instrument.
Further, the top of roof bolt plate is provided with locking face, and locking device is installed on locking face.
Further, locking device is the locking nut coordinated with spiral thread on anchor bolt.
Further, two pieces of wedge blocks are inserted between the first squeeze station and anchoring surface, two pieces of wedge blocks are distributed in anchor pole
Both sides.
Further, inserted with wedge shape between the first squeeze station and anchoring surface and the second squeeze station and anchoring surface
Block；" recessed " face is formed between two pieces of wedge blocks.
Further, the inclined preformed hole extended into experiment pier is offered from anchoring surface.
Further, roof bolt plate is slab construction.
The test method of the experimental rig of simulation scar irregularity degree, includes the following steps in anchor pole test：
S1：Installation is fixed in experiment pier, anchor pole is inserted into the preformed hole on experiment pier, then installs anchor pole pad
Plate and locking device；
S2：Wedge block is inserted between the first squeeze station and anchoring surface, then locking device locks roof bolt plate；
S3：Distance of first squeeze station relative to anchoring surface is measured, calculates roof bolt plate relative to anchoring surface
Angle of inclination, and the stress data on deformeter is recorded, obtain one group of data；
S4：Locking device unclamps roof bolt plate, continues into the distance of one section of setting of wedge block, then is locked by locking device
Tight roof bolt plate repeats step S3, obtains another set data；
S5：Step S4 is repeated, multigroup test data is obtained；
S6：After obtaining multigroup test data, locking device unclamps roof bolt plate, between the second squeeze station and anchoring surface
It is inserted into wedge block, and the depth that two pieces of wedge blocks are inserted into is identical；Record the stress data on deformeter.
Beneficial effects of the present invention are：The present invention is used in anchor pole testing experiment, and analysis anchor pole is in scar out-of-flatness feelings
Deformation under condition；Anchor pole is inserted into the preformed hole of experiment pier, is locked to anchor pole and roof bolt plate by locking device
Tightly；Due between roof bolt plate and anchoring surface inserted with wedge block, so that roof bolt plate is between anchoring surface
Shape has a certain degree, the case where having simulated anchoring surface out-of-flatness, and passes through force-measuring sensing element and sensing element receives
Instrument detects anchor stress deformation, obtains test data；Change the depth that wedge block is inserted into, roof bolt plate is relative to anchoring table
The angle formed between face is different, and the anchor stress deformation that deformeter detects is also different, you can obtains multigroup different examinations
Test data.
The locking face of roof bolt plate upper end setting, can make locking device increase experiment to the uniform force of roof bolt plate
Accuracy；Locking device is arranged to locking nut, when experiment can reduce experimentation cost and operation is difficult by manual operation
Degree；It is inserted into two pieces of wedge blocks between the first squeeze station and anchoring surface, extruding stress of the wedge block to roof bolt plate can be made
More uniformly；It can succeed inserted with wedge block between first squeeze station and anchoring surface and the second squeeze station and anchoring surface
It is the anchor stress deformation in the case of " recessed " face to simulate scar；Anchor pole is inserted into inclined preformed hole, is simulated and is worked as anchor pole
When backing plate and anchor pole are under non-perpendicular state, the stress deformation situation of anchor pole.
Reasonable design of the present invention, is clipped in using wedge block between roof bolt plate and anchoring surface so that roof bolt plate is opposite
Certain angle is tilted in anchoring surface, is achieved the purpose that simulate scar irregularity degree with this, and then is made to have simulated anchor pole
Gasket is in non-perpendicular state with anchor pole；Integrated test facility is simple in structure, and test method is easy to operate, is tried indoors
The actual conditions of engineering site are accurately expressed during testing, the test data measured is reliable, has a wide range of applications valence
Value.
Description of the drawings
Fig. 1 is the schematic diagram of the experimental rig of simulation scar irregularity degree in anchor pole test.
Fig. 2 is the structural schematic diagram of roof bolt plate.
Fig. 3 is the simulation test schematic diagram that scar irregularity degree is simulated in anchor pole test.
Fig. 4 is the schematic diagram that roof bolt plate forms different angle by wedge block when simulating scar irregularity degree.
Wherein, 1, anchor pole, 2, preformed hole, 3, experiment pier, 4, roof bolt plate, 5, locking device, 6, wedge block, 7, first
Squeeze station, 8, through-hole, the 9, second squeeze station, 10, anchoring surface, 11, locking face.
Specific implementation mode
The specific implementation mode of the present invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific implementation mode, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
As depicted in figs. 1 and 2, the experimental rig of simulation scar irregularity degree includes experiment pier 3, anchor pole in anchor pole test
1, roof bolt plate 4, wedge block 6 and locking device 5 test the anchoring surface 10 on pier 3, above offer and extend into experiment pier
The preformed hole 2 being inserted into for anchor pole 1 in platform 3；Roof bolt plate 4 is arch harden structure, and the top of roof bolt plate 4 is offered for anchor pole
1 perforative through-hole 8；4 bottom end of roof bolt plate includes the first squeeze station 7 and the second squeeze station 9, and wedge block 6 is inserted into the first squeeze station 7
Between anchoring surface 10；Anchor pole 1 passes through through-hole 8 to be inserted into preformed hole 2, and locking device 5 is sheathed on anchor pole 1, and and anchor pole
The tip contact of backing plate 4；It is provided with force-measuring sensing element, force-measuring sensing on anchor pole 1 between roof bolt plate 4 and anchoring surface 10
Element is electrically connected with sensing element receiving instrument.
This programme is preferred, the top of roof bolt plate 4 is provided with locking face 11, locking device 5 is contacted with locking face 11；
It is preferred that locking device 5 is the locking nut with 1 screw-thread fit of anchor pole；Inserted with two between first squeeze station 7 and anchoring surface 10
Block wedge block 6, and two pieces of wedge blocks 6 are distributed in the both sides of anchor pole 1, the first squeeze station 7 and anchoring surface 10 and the second squeeze station 9
Can be inserted between anchoring surface 10 has wedge block 6；Make to form " recessed " face between two pieces of wedge blocks 6；Force-measuring sensing element is adopted
With foil gauge, foil gauge is electrically connected with deformeter.
This programme is used in 1 testing experiment of anchor pole, stressing conditions and change of the analysis anchor pole 1 in scar out-of-flatness
Shape situation；Anchor pole 1 is inserted into the preformed hole 2 of experiment pier 3, is locked to anchor pole 1 and roof bolt plate 4 by locking device 5；
Due between roof bolt plate 4 and anchoring surface 10 inserted with wedge block 6, so that roof bolt plate 4 is relative to anchoring surface 10
Between shape the case where having a certain degree, simulating 10 out-of-flatness of anchoring surface, and pass through deformeter and record the stress of anchor pole 1 and become
Shape situation, obtains test data；Change wedge block 6 be inserted into depth, anchor pole shape backing plate 4 between anchoring surface 10 at
Angle also changes correspondingly, and strained situation is also different, you can obtains multigroup different tests data.
The locking face 11 of 4 upper end of roof bolt plate setting, can make uniform force of the locking device 5 to roof bolt plate 4, increase examination
The accuracy tested；Locking device 5 is arranged to locking nut, when experiment can pass through manual operation, and locking anchor pole gasket 4 reduces
Experimentation cost and operation difficulty；It is inserted into two pieces of wedge blocks 6 between the first squeeze station 7 and anchoring surface 10, wedge block can be made
The extruding uniform force of 6 pairs of roof bolt plates；First squeeze station 7 and anchoring surface 10 and the second squeeze station 9 and anchoring surface 10 it
Between inserted with wedge block 6, simulate test situation in the case of " recessed " face.
As shown in figure 3, this programme can also open up inclined preformed hole 2 on experiment pier 3, anchor pole 1 is inclined to be inserted into advance
It boxes out in 2, roof bolt plate 4 is locked by locking nut, detect when in 1 inclined insertion preformed hole 2 of anchor pole, anchor pole
1 stress deformation situation；The roof bolt plate 4 of arcuate structure also can be replaced into the roof bolt plate 4 of slab construction.
As shown in figure 4, simulating the test method of the experimental rig of scar irregularity degree, including following step in anchor pole test
Suddenly：
S1：Installation is fixed in experiment pier 3, then anchor pole 1 is inserted into the preformed hole 2 in experiment pier 3, installation
Roof bolt plate 4 and locking device 5；
S2：Wedge block 6 is inserted between the first squeeze station 7 and anchoring surface 10, then locking device 5 locks roof bolt plate
4；
S3：Distance of first squeeze station 7 relative to anchoring surface 10 is measured, calculates roof bolt plate 4 relative to anchoring table
The angle of inclination in face 10 is 15 °, records the stress deformation data on deformeter, obtains one group of data；
S4：After the completion of data record, locking device 5 unclamps roof bolt plate 4, continues into wedge block 6, makes roof bolt plate 4
Angle of inclination relative to anchoring surface 10 is 30 °, records the stress deformation data on deformeter, obtains another set data；
S5：According to step S4, when to change roof bolt plate 4 relative to the angle of inclination of anchoring surface 10 be 45 °, record strain
Stress deformation data on instrument；
S6：After step S5, locking device 5 unclamps roof bolt plate 4, in the second squeeze station 9 and anchoring surface 10 and the
Wedge block 6 is inserted between one squeeze station 7 and anchoring surface 10, and the depth that two pieces of wedge blocks 6 are inserted into is identical；Record is answered
Become the stress deformation data on instrument, and test data is recorded.
When anchor pole is inserted into the preformed hole that is obliquely installed, roof bolt plate is locked by locking device, roof bolt plate 4 with
Non-perpendicular state is between anchor pole 1, the test on deformeter to stress deformation data.
In conclusion reasonable design of the present invention, is clipped between roof bolt plate 4 and anchoring surface 10 using wedge block 6 and is made
Roof bolt plate 4 relative to anchoring surface 10 generate different situations inclination, with this come achieve the purpose that simulate scar irregularity degree,
Make to have simulated anchor pole gasket 4 in turn and anchor pole 1 is in non-perpendicular state；Integrated test facility is simple in structure, test method
It is easy to operate, the actual conditions of engineering site are accurately expressed during being tested indoors, the test data measured
Reliably, it is with a wide range of applications.
Claims (8)
1. simulating the experimental rig of scar irregularity degree in a kind of anchor pole test, which is characterized in that including experiment pier (3), anchor
Bar (1), roof bolt plate (4), wedge block (6) and locking device (5), the experiment pier (3) they include anchoring surface (10), and from
The preformed hole (2) for extending into and being inserted into for anchor pole (1) in experiment pier is offered on anchoring surface (10)；The roof bolt plate (4)
It is offered for anchor pole (1) perforative through-hole (8) for the top of arch harden structure, and roof bolt plate (4)；The roof bolt plate (4)
Bottom end include the first squeeze station (7) and the second squeeze station (9), the wedge block (6) is inserted into the first squeeze station (7) and anchors table
Between face (10)；The anchor pole (1) passes through through-hole (8) to be inserted into preformed hole (2), and the locking device (5) is sheathed on anchor pole (1)
On, and with the tip contact of roof bolt plate (4)；The roof bolt plate (4) is provided with survey on the anchor pole (1) of anchoring surface (10)
Power sensing element, the force-measuring sensing element are electrically connected with sensing element receiving instrument.
2. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that described
The top of roof bolt plate (4) is provided with locking face (11), and the locking device (5) is installed on locking face (11).
3. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that described
Locking device (5) is the locking nut with anchor pole (1) screw-thread fit.
4. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that described
Two pieces of wedge blocks (6) are inserted between first squeeze station (7) and anchoring surface (10), two pieces of wedge blocks (6) are distributed in anchor pole
(1) both sides.
5. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that described
Inserted with wedge block between first squeeze station (7) and anchoring surface (10) and the second squeeze station (9) and anchoring surface (10)
(6)；" recessed " face is formed between two pieces of wedge blocks (6).
6. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that from institute
It states and offers the inclined preformed hole (2) extended into experiment pier on anchoring surface (10).
7. simulating the experimental rig of scar irregularity degree in anchor pole test according to claim 1, which is characterized in that described
Roof bolt plate (4) is slab construction.
8. the experiment side of the experimental rig of simulation scar irregularity degree in a kind of any anchor pole tests of claim 1-7
Method, which is characterized in that include the following steps：
S1：Installation is fixed in experiment pier (3), anchor pole (1) is inserted into the preformed hole (2) on experiment pier (3), then pacifies
Fill roof bolt plate (4) and locking device (5)；
S2：Wedge block (6) is inserted between the first squeeze station (7) and anchoring surface (10), then locking device (5) locks anchor pole
Backing plate (4)；
S3：Distance of the first squeeze station (7) relative to anchoring surface (10) is measured, calculates roof bolt plate (4) relative to anchoring
The angle of inclination on surface (10), and the stress data on deformeter is recorded, obtain one group of data；
S4：Locking device (5) unclamps roof bolt plate (4), continues into the distance of (6) one sections of settings of wedge block, then passes through locking
Device (5) locks roof bolt plate (4), repeats step S3, obtains another set data；
S5：Step S4 is repeated, multigroup test data is obtained；
S6：After obtaining multigroup test data, locking device (5) unclamps roof bolt plate (4), in the second squeeze station (9) and anchoring table
Wedge block (6) is inserted between face (10), and the depth that two pieces of wedge blocks (6) are inserted into is identical；Record the stress data on deformeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757936.7A CN108613652A (en) | 2018-07-11 | 2018-07-11 | The experimental rig and method of scar irregularity degree are simulated in anchor pole test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757936.7A CN108613652A (en) | 2018-07-11 | 2018-07-11 | The experimental rig and method of scar irregularity degree are simulated in anchor pole test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613652A true CN108613652A (en) | 2018-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757936.7A Pending CN108613652A (en) | 2018-07-11 | 2018-07-11 | The experimental rig and method of scar irregularity degree are simulated in anchor pole test |
Country Status (1)
| Country | Link |
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| CN (1) | CN108613652A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855169A (en) * | 2020-06-12 | 2020-10-30 | 德阳天元重工股份有限公司 | Suspension bridge AS method main cable strand boot anchoring test assembly and test method thereof |
| CN114458295A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Mechanical inclination testing tool and method for underwater Christmas tree |
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2018
- 2018-07-11 CN CN201810757936.7A patent/CN108613652A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855169A (en) * | 2020-06-12 | 2020-10-30 | 德阳天元重工股份有限公司 | Suspension bridge AS method main cable strand boot anchoring test assembly and test method thereof |
| CN114458295A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Mechanical inclination testing tool and method for underwater Christmas tree |
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