CN113882370A - Anchor rod anti-pulling test structure after anchor sealing based on clamping fixation - Google Patents
Anchor rod anti-pulling test structure after anchor sealing based on clamping fixation Download PDFInfo
- Publication number
- CN113882370A CN113882370A CN202111236379.2A CN202111236379A CN113882370A CN 113882370 A CN113882370 A CN 113882370A CN 202111236379 A CN202111236379 A CN 202111236379A CN 113882370 A CN113882370 A CN 113882370A
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- Prior art keywords
- anchor
- clamping
- jack
- wall
- sleeve cavity
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- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 239000002390 adhesive tape Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000007586 pull-out test Methods 0.000 claims 1
- 238000004873 anchoring Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of anchor rod anti-pulling structures, and discloses an anchor rod anti-pulling test structure based on clamping and fixing after anchor sealing, which comprises an anchor device arranged on the outer surface of a building and a jack pressed on the building, wherein a sleeve cavity with a downward opening is arranged in the lower part of the jack, the anchor device is arranged in the sleeve cavity, and an annular interval is formed between the inner side wall of the sleeve cavity and the anchor device; a plurality of clamping structures which are circumferentially arranged along the annular interval are arranged in the sleeve cavity, each clamping structure is provided with an expansion head, and the expansion heads are inserted into the annular interval to relatively fix the jack and the anchorage device; like this through the flexible head on a plurality of clamping structure with the ground tackle centre gripping fixed, realized being connected between jack and the ground tackle, when jack applys down pressure to the surface of building thing, jack produces reverse tensile force to clamping structure, also indirectly applys reverse tensile force to the ground tackle yet to can survey the anchor rod hold load, carry out the anchor rod resistance to plucking test after sealing the anchor smoothly.
Description
Technical Field
The invention relates to the technical field of anchor rod anti-pulling structures, in particular to an anchor rod anti-pulling test structure after anchor sealing based on clamping and fixing.
Background
The anchor rod is a rod piece system structure for reinforcing rock and soil mass, and is mainly used for carrying out main body reinforcement on side slopes, tunnels, dam bodies and the like. The anchor rod is divided into a free section and an anchoring section, the free section can transmit the pulling force at the head of the anchor rod to the area of the anchoring body, and the function of the free section is to apply prestress on the anchor rod; the anchoring section is an area where the prestressed tendons and the soil layer are bonded by cement paste, and has the functions of increasing the bonding friction effect of the anchoring body and the soil layer, increasing the bearing effect of the anchoring body and transmitting the pulling force of the free section to the deep part of the soil body.
At present, anchor bolt support has the advantages of high construction speed, small construction difficulty, light construction equipment, small construction occupied area, low construction cost and the like, and is widely applied to the field of engineering, such as foundation pits, side slopes, bridge engineering and the like.
However, some anchor rods can be cut off after the anchor rods are sealed, and after the concrete layer on the outer surface is broken, the length of the residual exposed anchor bars is too short or only an anchor device is left, so that the anchor rod anti-pulling test cannot be directly carried out, and a device capable of clamping and fixing the anchor device needs to be found so as to carry out the anchor rod anti-pulling test and detect the holding load of the anchor rod.
Disclosure of Invention
The invention aims to provide an anchor rod anti-pulling test structure based on clamping and fixing after anchor sealing, and aims to solve the problem that an anti-pulling test is inconvenient to carry out after an exposed anchor rod is cut off in the prior art.
The invention is realized in this way, the anchor rod uplift test structure after the anchor is sealed based on clamping and fixing comprises an anchor device and a jack which are arranged on the outer surface of a building, wherein a sleeve cavity with a downward opening is arranged in the lower part of the jack, the bottom of the jack is pressed against the outer surface of the building, the anchor device is arranged in the sleeve cavity, and an annular interval is formed between the inner side wall of the sleeve cavity and the anchor device; the clamping structures are circumferentially arranged along the annular interval, each clamping structure is provided with an expansion head which extends towards or departs from the outer surface of the corresponding building, the expansion heads are inserted into the annular interval to relatively fix the jack and the anchorage device, the inner side surface of each expansion head is pressed against the outer surface of the anchorage device, and the outer side surface of each expansion head is pressed against the inner side wall of the sleeve cavity;
when the jack applies downward pressure to the outer surface of the building, the jack applies reverse tension to the anchorage device through the clamping structure.
Furthermore, the jack is provided with a body and a telescopic shaft which is telescopic relative to the body, the telescopic shaft is movably arranged in the body, the sleeve cavity is formed at the lower part of the body, the telescopic shaft is pressed against the outer surface of the building, pressure is applied to the outer surface of the building through the telescopic shaft, and the body applies reverse tension force to the anchorage device through the clamping structure.
Further, the clamping structure is fixed on the inner side wall of the sleeve cavity.
Furthermore, the telescopic head is strip-shaped, the telescopic head is provided with an inner clamping wall arranged towards the anchor and an outer clamping wall arranged towards the inner side wall of the sleeve cavity, the inner clamping wall is linear and is fixedly clamped with the outer surface of the anchor in a surface fit manner, the upper part of the outer clamping wall is linear and is fixedly clamped with the inner side wall of the sleeve cavity in a surface fit manner, the lower part of the outer clamping wall is obliquely arranged towards the anchor to form an oblique wall, and the oblique wall extends to penetrate through the bottom of the telescopic head.
Furthermore, the outer surface of the anchor is provided with a guide groove, the top of the guide groove penetrates through the top of the anchor, the inner side wall of the telescopic head is embedded into the guide groove, and the inner clamping wall is pressed against and clamps the bottom of the guide groove.
Furthermore, the bottom of the guide groove is provided with a strip-shaped concave groove, the concave groove extends along the length direction of the guide groove, and the concave groove penetrates through the top of the anchorage device to form a top opening; an adhesive tape is arranged in the concave groove, the outer side wall of the adhesive tape is arranged in parallel with the bottom of the guide groove, and the top of the adhesive tape is exposed out of the top opening of the concave groove; the inner clamping wall is provided with a convex block, when the telescopic head is downwards embedded to a set length along the annular interval, the convex block downwards abuts against the rubber strip through the top opening of the concave groove to extrude the rubber strip to be compressed and deformed, and the rubber strip after being compressed and deformed applies extrusion force to the inner clamping wall.
Furthermore, be equipped with a plurality of sunken holes on the interior centre gripping wall, it is a plurality of sunken hole is along the flexible direction interval arrangement of flexible head, and is a plurality of sunken hole and adhesive tape arrange relatively, when the adhesive tape is extruded compression deformation down, the adhesive tape embedding is in sunken hole.
Furthermore, a rubber ring is arranged on the lower part of the inner side wall of the sleeve cavity, the rubber ring is arranged around the circumferential direction of the anchor device, the rubber ring is arranged below the telescopic head, and the rubber ring is abutted against the outer surface of the anchor device; when the telescopic head moves downwards along the annular interval for a set depth, the bottom of the telescopic head abuts against the rubber ring to deform, and the rubber ring applies extrusion force to the outer surface of the anchorage device.
Further, the bottom of the rubber ring is pressed against the outer surface of the construction.
Furthermore, the inclined wall is provided with an inclined block, the inclined block is obliquely arranged towards the anchorage device along the direction from top to bottom towards the outer surface of the construction, the bottom of the inclined block extends to the position below the telescopic head, and a gap is formed between the bottom of the inclined block and the outer surface of the anchorage device; when the telescopic head moves downwards along the annular interval for a set depth, the inclined blocks obliquely abut against the rubber ring to deform towards the outer surface of the anchorage device.
Compared with the prior art, the anchor rod anti-pulling test structure after anchor sealing based on clamping and fixing provided by the invention has the advantages that the anchor device is clamped and fixed through the telescopic heads on the plurality of clamping structures, so that the connection between the jack and the anchor device is realized, when the jack applies downward pressure to the outer surface of a building, the jack generates reverse tensile force to the clamping structures, and the reverse tensile force is also indirectly applied to the anchor device, so that the holding load of the anchor rod can be measured, and the anchor rod anti-pulling test after anchor sealing is smoothly carried out.
Drawings
FIG. 1 is a schematic structural diagram of a clamped and fixed anchor-sealing-based anti-pulling test structure provided by the invention;
FIG. 2 is a schematic structural diagram of the jack provided by the present invention;
FIG. 3 is a schematic top view of the location of guide and undercut grooves in an anchor according to the present invention;
FIG. 4 is a schematic cross-sectional view of the recessed hole of the retractable head provided by the present invention cooperating with the rubber strip;
fig. 5 is a sectional structure diagram of the positions of the rubber ring and the inclined block provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-5, preferred embodiments of the present invention are shown.
The anti-pulling test structure of the anchor rod after the anchor is sealed and fixed based on clamping comprises an anchor device 300 and a jack 100, wherein the anchor device 300 and the jack 100 are arranged on the outer surface of a building, a sleeve cavity 200 with a downward opening is formed in the lower part of the jack 100, the bottom of the jack 100 is pressed against the outer surface of the building, the anchor device 300 is arranged in the sleeve cavity 200, and an annular interval 400 is formed between the inner side wall of the sleeve cavity 200 and the anchor device 300; a plurality of clamping structures are arranged in the sleeve cavity 200 in a surrounding manner along the circumferential direction of the annular interval 400, each clamping structure is provided with an expansion head 500 which expands and contracts towards or away from the outer surface of the building, the expansion heads 500 are inserted into the annular interval 400 to relatively fix the jack 100 and the anchorage device 300, the inner side surface of each expansion head 500 is pressed against the outer surface of the anchorage device 300, and the outer side surface of each expansion head 500 is pressed against the inner side wall of the sleeve cavity 200;
when jack 100 applies downward pressure to the outer surface of the structure, jack 100 applies an opposite tensile force to anchor 300 through the clamping structure.
Like this, it is fixed with anchor assembly 300 centre gripping through the flexible head 500 on a plurality of clamping structure, has realized being connected between jack 100 and the anchor assembly 300, when jack 100 applys down pressure to the surface of building thing, jack 100 produces reverse tensile force to the clamping structure, also indirectly applys reverse tensile force to anchor assembly 300 to can survey the holding load of stock, carry out the stock resistance to plucking test after sealing the anchor smoothly.
The jack 100 is provided with a body 101 and a telescopic shaft 102 which is telescopic relative to the body 101, the telescopic shaft 102 is movably arranged in the body 101, a sleeve cavity 200 is formed at the lower part of the body 101, the telescopic shaft 102 is pressed against the outer surface of the construction, pressure is applied to the outer surface of the construction through the telescopic shaft 102, and the body 101 applies opposite tension force to the anchorage device 300 through a clamping structure.
The telescopic shaft 102 is provided with a cavity above, liquid is filled into the cavity or pumped out of the cavity through the oil inlet and outlet pipe 103, so that the telescopic shaft 102 is controlled to move up and down relative to the body 101, because the telescopic shaft 102 is pressed against the outer surface of the structure, when the telescopic shaft 102 moves down, the body 101 of the jack 100 relatively moves in the opposite direction, and therefore opposite tension force is generated on the clamping structure, and tension force is generated on the anchorage device 300 indirectly.
The clamping structure is fixed on the inner side wall of the sleeve cavity 200, the clamping structure and the jack 100 are fixedly connected into a whole, when the clamping structure is required to be used, the clamping structure and the anchor 300 are directly connected and fixed, and the clamping structure is convenient to store and simple to operate.
The telescopic head 500 is strip-shaped, the telescopic head 500 is provided with an inner clamping wall 501 arranged towards the anchorage device 300 and an outer clamping wall 502 arranged towards the inner side wall of the sleeve cavity 200, the inner clamping wall 501 is linear and is fixedly clamped with the outer surface of the anchorage device 300 in a surface fit manner along the direction from top to bottom towards the outer surface of the construction object, the upper part of the outer clamping wall 502 is linear and is fixedly clamped with the inner side wall of the sleeve cavity 200 in a surface fit manner, the lower part of the outer clamping wall 502 is obliquely arranged and is obliquely arranged towards the anchorage device 300 to form an oblique wall, and the oblique wall extends to penetrate through the bottom of the telescopic head 500.
Thus, the contact area between the retractable head 500 and the anchor 300 and the contact area between the retractable head 500 and the jack 100 are maximized, and the surfaces are attached to each other without generating a gap, and the connection is tight and firm.
The outer surface of the anchorage device 300 is provided with a guide groove 600, the top of the guide groove 600 penetrates through the top of the anchorage device 300, the inner side wall of the telescopic head 500 is embedded in the guide groove 600, and the inner clamping wall 501 is pressed and clamped on the bottom of the guide groove 600; when the retractable head 500 is inserted into the annular space 400 from top to bottom, the retractable head 500 presses and clamps the anchor 300 along the guide groove 600 from top to bottom, so that the outer surface of the anchor 300 is uniformly stressed and clamped more tightly and firmly.
The bottom of the guide groove 600 is provided with a recessed groove 700 arranged in a strip shape, the recessed groove 700 extends along the length direction of the guide groove 600, and the recessed groove 700 penetrates through the top of the anchor 300 to form a top opening; the adhesive tape 800 is arranged in the concave groove 700, the outer side wall of the adhesive tape 800 is arranged in parallel with the bottom of the guide groove 600, and the top of the adhesive tape 800 is exposed out of the top opening of the concave groove 700; be equipped with lug 503 on the interior clamping wall 501, after flexible head 500 embedded down to setting for length along annular interval 400, lug 503 supports downwards through the open-top of depressed groove 700 and presses adhesive tape 800, extrudes adhesive tape 800 compression deformation, and adhesive tape 800 after the compression deformation exerts the extrusion force to interior clamping wall 501.
Like this, when flexible head 500 from the top down moves to extreme position, lug 503 on the interior centre gripping wall 501 extrudees the top of adhesive tape 800 from the top down, and adhesive tape 800 takes place elastic deformation after receiving the extrusion from the top down, and the adhesive tape 800 after the compression deformation exerts the extrusion force to interior centre gripping wall 501 to increase flexible head 500 is to the extrusion force of ground tackle 300, improves the centre gripping steadiness.
The inner clamping wall 501 is provided with a plurality of recessed holes 504, the recessed holes 504 are arranged at intervals along the telescopic direction of the telescopic head 500, the recessed holes 504 are arranged opposite to the rubber strip 800, and after the rubber strip 800 is extruded downwards, compressed and deformed, the rubber strip 800 is embedded into the recessed holes 504; after being extruded and deformed, the rubber strip 800 is embedded into the concave hole 504 of the retractable head 500 and is mutually buckled with the retractable head 500, so that the connection between the anchor device 300 and the retractable head 500 is tighter and firmer.
The lower part of the inner side wall of the sleeve cavity 200 is provided with a rubber ring 900, the rubber ring 900 is arranged around the circumference of the anchorage device 300 in a surrounding manner, the rubber ring 900 is arranged below the telescopic head 500, and the rubber ring 900 is abutted against the outer surface of the anchorage device 300; when the telescoping head 500 moves downward along the annular gap 400 by a set depth, the bottom of the telescoping head 500 presses the rubber ring 900 to deform, and the rubber ring 900 applies a pressing force to the outer surface of the anchor 300.
Like this, down move to extreme position from the top when the flexible head 500, extrusion rubber ring 900 takes place elastic deformation, and rubber ring 900 after the compression deformation exerts the extrusion force to ground tackle 300 to it is more firm to make the connection between clamping structure and the ground tackle 300 more laminate, improves the centre gripping steadiness.
The bottom of the rubber ring 900 is pressed against the outer surface of the construction object, so that the rubber ring 900 is filled in the whole annular space 400, the contact area between the rubber ring 900 and the inner side wall of the anchorage device 300 and the sleeve cavity 200 is increased, the friction force and the clamping force are increased, and the subsequent smooth operation of the anchor rod anti-pulling test is facilitated.
The inclined wall is provided with an inclined block 505, the inclined block 505 is arranged towards the anchorage device 300 in an inclined way along the direction from top to bottom towards the outer surface of the construction, the bottom of the inclined block 505 extends to the lower part of the telescopic head 500, and a gap is arranged between the bottom of the inclined block 505 and the outer surface of the anchorage device 300; after the telescoping head 500 is moved downward along the annular gap 400 by a set depth, the inclined blocks 505 bias against the glue ring 900 to deform toward the outer surface of the anchor 300. The inclined blocks 505 can further extrude the rubber ring 900 to be compressed and deformed, and the connection stability of the anchor 300 and the jack 100 is indirectly improved through the opposite acting force of the rubber ring 900 on the anchor 300 and the inner side wall of the sleeve cavity 200.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The anchor rod uplift test structure after anchor sealing based on clamping and fixing is characterized by comprising an anchor device and a jack, wherein the anchor device and the jack are arranged on the outer surface of a building, a sleeve cavity with a downward opening is arranged in the lower part of the jack, the bottom of the jack is pressed against the outer surface of the building, the anchor device is arranged in the sleeve cavity, and an annular interval is formed between the inner side wall of the sleeve cavity and the anchor device; the clamping structures are circumferentially arranged along the annular interval, each clamping structure is provided with an expansion head which extends towards or departs from the outer surface of the corresponding building, the expansion heads are inserted into the annular interval to relatively fix the jack and the anchorage device, the inner side surface of each expansion head is pressed against the outer surface of the anchorage device, and the outer side surface of each expansion head is pressed against the inner side wall of the sleeve cavity;
when the jack applies downward pressure to the outer surface of the building, the jack applies reverse tension to the anchorage device through the clamping structure.
2. The structure of claim 1, wherein the jack has a body and a telescopic shaft which is telescopic relative to the body, the telescopic shaft is movably arranged in the body, the sleeve cavity is formed at the lower part of the body, the telescopic shaft is pressed against the outer surface of the construction, pressure is applied to the outer surface of the construction through the telescopic shaft, and the body applies opposite tension to the anchor through the clamping structure.
3. The anchor rod uplift test structure after anchor sealing based on clamping fixation as claimed in claim 1 or 2, wherein the clamping structure is fixed on the inner side wall of the sleeve cavity.
4. The structure of claim 1 or 2, wherein the telescopic head is strip-shaped, the telescopic head has an inner clamping wall arranged towards the anchor and an outer clamping wall arranged towards the inner side wall of the sleeve cavity, the inner clamping wall is linear and is in surface-to-surface clamping fixation with the outer surface of the anchor along the direction from top to bottom towards the outer surface of the structure, the upper part of the outer clamping wall is linear and is in surface-to-surface clamping fixation with the inner side wall of the sleeve cavity, the lower part of the outer clamping wall is obliquely arranged and is obliquely arranged towards the anchor to form an oblique wall, and the oblique wall extends to penetrate through the bottom of the telescopic head.
5. The anchor rod anti-pulling test structure after anchor sealing based on clamping fixation as claimed in claim 4, wherein the outer surface of the anchor device is provided with a guide groove, the top of the guide groove penetrates through the top of the anchor device, the inner side wall of the telescopic head is embedded in the guide groove, and the inner clamping wall is pressed against and clamps the bottom of the guide groove.
6. The structure for the pullout resistance test of the anchor rod after the anchor is sealed based on clamping and fixing as claimed in claim 5, wherein the bottom of the guide groove is provided with recessed grooves arranged in a strip shape, the recessed grooves extend along the length direction of the guide groove, and the recessed grooves penetrate through the top of the anchor device to form a top opening; an adhesive tape is arranged in the concave groove, the outer side wall of the adhesive tape is arranged in parallel with the bottom of the guide groove, and the top of the adhesive tape is exposed out of the top opening of the concave groove; the inner clamping wall is provided with a convex block, when the telescopic head is downwards embedded to a set length along the annular interval, the convex block downwards abuts against the rubber strip through the top opening of the concave groove to extrude the rubber strip to be compressed and deformed, and the rubber strip after being compressed and deformed applies extrusion force to the inner clamping wall.
7. The structure of claim 6, wherein a plurality of recessed holes are formed in the inner clamping wall, the recessed holes are arranged at intervals along the expansion direction of the expansion head, the recessed holes are arranged opposite to the rubber strip, and the rubber strip is embedded in the recessed holes after being compressed and deformed by being pressed downwards.
8. The anchor rod anti-pulling test structure after anchor sealing based on clamping fixation as claimed in claim 1 or 2, wherein a rubber ring is arranged on the lower part of the inner side wall of the sleeve cavity, the rubber ring is arranged around the circumference of the anchor device, the rubber ring is arranged below the telescopic head, and the rubber ring abuts against the outer surface of the anchor device; when the telescopic head moves downwards along the annular interval for a set depth, the bottom of the telescopic head abuts against the rubber ring to deform, and the rubber ring applies extrusion force to the outer surface of the anchorage device.
9. The post-anchor-sealing bolt pullout test structure based on clamping fixation of claim 8, wherein the bottom of the rubber ring is pressed against the outer surface of the building.
10. The anti-pulling test structure of the anchor rod after being anchored and sealed based on clamping fixation as claimed in claim 8, wherein the inclined wall is provided with an inclined block, the inclined block is arranged obliquely towards the anchor device along the direction from top to bottom towards the outer surface of the construction, the bottom of the inclined block extends to the lower part of the telescopic head and is spaced from the outer surface of the anchor device; when the telescopic head moves downwards along the annular interval for a set depth, the inclined blocks obliquely abut against the rubber ring to deform towards the outer surface of the anchorage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236379.2A CN113882370A (en) | 2021-10-22 | 2021-10-22 | Anchor rod anti-pulling test structure after anchor sealing based on clamping fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236379.2A CN113882370A (en) | 2021-10-22 | 2021-10-22 | Anchor rod anti-pulling test structure after anchor sealing based on clamping fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113882370A true CN113882370A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111236379.2A Pending CN113882370A (en) | 2021-10-22 | 2021-10-22 | Anchor rod anti-pulling test structure after anchor sealing based on clamping fixation |
Country Status (1)
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| CN (1) | CN113882370A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150453A (en) * | 1997-08-07 | 1999-02-23 | Kurosawa Kensetsu Kk | Anchorage device of ground anchor head |
| CN102589973A (en) * | 2012-02-13 | 2012-07-18 | 宁波交通工程建设集团有限公司 | Pullout test auxiliary device for hook anchor rod and test method |
| CN105780781A (en) * | 2016-04-28 | 2016-07-20 | 中国水电基础局有限公司 | Fast plugging method for deep foundation pit |
| CN208533522U (en) * | 2018-07-12 | 2019-02-22 | 深圳市工勘岩土集团有限公司 | A kind of Wedge gripping for prestressed anchor tensioning again |
-
2021
- 2021-10-22 CN CN202111236379.2A patent/CN113882370A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150453A (en) * | 1997-08-07 | 1999-02-23 | Kurosawa Kensetsu Kk | Anchorage device of ground anchor head |
| CN102589973A (en) * | 2012-02-13 | 2012-07-18 | 宁波交通工程建设集团有限公司 | Pullout test auxiliary device for hook anchor rod and test method |
| CN105780781A (en) * | 2016-04-28 | 2016-07-20 | 中国水电基础局有限公司 | Fast plugging method for deep foundation pit |
| CN208533522U (en) * | 2018-07-12 | 2019-02-22 | 深圳市工勘岩土集团有限公司 | A kind of Wedge gripping for prestressed anchor tensioning again |
Non-Patent Citations (1)
| Title |
|---|
| 哈海珊等: "《机械工人窍门集锦》", vol. 1, 安徽科学技术出版社, pages: 1 - 2 * |
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Application publication date: 20220104 |