CN209816937U - Single-rib anti-floating anchor rod structure - Google Patents
Single-rib anti-floating anchor rod structure Download PDFInfo
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- CN209816937U CN209816937U CN201920521505.0U CN201920521505U CN209816937U CN 209816937 U CN209816937 U CN 209816937U CN 201920521505 U CN201920521505 U CN 201920521505U CN 209816937 U CN209816937 U CN 209816937U
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- rods
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- floating anchor
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- 238000007667 floating Methods 0.000 title claims abstract description 95
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 description 23
- 239000002689 soil Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000452 restraining effect Effects 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a single-rib anti-floating anchor rod structure, which comprises a plurality of supporting rods, an anti-floating anchor rod and a sleeve, wherein the sleeve is sleeved on the anti-floating anchor rod, the anti-floating anchor rod is a threaded rib, the inner wall of the sleeve is provided with an internal thread, the internal thread is matched with the thread of the anti-floating anchor rod, and the sleeve can be screwed into any specified position in the length direction of the anti-floating anchor rod by rotating the sleeve; the support rods are equal in length and are circumferentially arranged on the outer wall of the sleeve, and the support rods are positioned on the same horizontal plane; and reinforcing rods are connected between the outer ends of the adjacent supporting rods, all the reinforcing rods are connected end to end, and the distance from the outer ends of the supporting rods to the central line of the sleeve is equal to the aperture of the anchor hole. The sleeve of the anti-floating anchor rod structure can not influence the structural performance of the anti-floating anchor rod when being installed on the anti-floating anchor rod, and can enable the anti-floating anchor rod to be accurately positioned in the anchor hole without offsetting.
Description
Technical Field
The utility model relates to an anti-floating anchor rod field, concretely relates to anti-floating anchor rod structure of single muscle.
Background
Along with the development of society, the space requirement on buildings is continuously increased, the excavation depth to the underground is gradually increased, and a novel building technology of an underground water anti-floating measure is also continuously emerged; china's traditional underground anti-floating measure mainly takes the anti-floating anchor rod that uses many tertiary steels as the principal muscle to through the stock with the frictional force of underground soil as main withdrawal resistance, and more novel anti-floating anchor rod construction methods are forming just gradually now, wherein bag expands formula anti-floating anchor rod and adopts single high strength steel bar as the principal muscle, abandoned the traditional mode of using the friction of stock with soil as withdrawal resistance, increase withdrawal resistance through the mode that the bottom expands the head, also with its construction convenience, advantages such as the cost is lower are prepared for favour.
However, the existing anchor rod main reinforcing steel bars adopt single reinforcing steel bars, the requirement on the thickness of the protective layer is strict, so that the thickness of the protective layer of the reinforcing steel bars is usually ensured by adopting a plastic positioning clamp matched with a manufacturer in the construction process, but the plastic positioning clamp has the condition of poor bonding with grouting materials, and the plastic pores are small, so that the upwelling of slurry in an anchor hole is influenced, so that the grouting quality and the hole site deviation of the floating anchor rod are influenced to a certain extent, the specification requirement is stipulated, the threaded reinforcing steel bar main reinforcing steel bar can not be welded with the protective layer positioning clamp, and the stress performance of the main reinforcing steel bar can be influenced because the positioning clamp is welded on the main; meanwhile, the strength of the plastic positioning clamp is limited, and the positioning clamp can deform a certain amount due to the extrusion of cement paste in the anchor hole, so that the position of the anchor rod in the anchor hole deviates, and the anti-floating capacity of the anchor rod is influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the sleeve can not influence the structural performance of anti-floating anchor self when installing on anti-floating anchor to enable anti-floating anchor to fix a position accurate not emergence skew in the anchor eye.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the single-rib anti-floating anchor rod structure comprises a plurality of supporting rods, an anti-floating anchor rod and a sleeve, wherein the sleeve is sleeved on the anti-floating anchor rod, the anti-floating anchor rod is a threaded rib, an internal thread is arranged on the inner wall of the sleeve and matched with the thread of the anti-floating anchor rod, and the sleeve can be screwed into any specified position in the length direction of the anti-floating anchor rod by rotating the sleeve; the support rods are equal in length and are circumferentially arranged on the outer wall of the sleeve, and the support rods are positioned on the same horizontal plane; and reinforcing rods are connected between the outer ends of the adjacent supporting rods, all the reinforcing rods are connected end to end, and the distance from the outer ends of the supporting rods to the central line of the sleeve is equal to the aperture of the anchor hole.
In the use process of the utility model, firstly, the adopted anti-floating anchor rod is a thread single rib, an internal thread matched with the surface of the anti-floating anchor rod is arranged in the sleeve, the sleeve is screwed into any required position of the anti-floating anchor rod by rotating the sleeve, the thread in the sleeve is combined with the thread rib, and the thread rib has a locking effect on the sleeve to fix the position of the positioning bracket; the support rod is fixedly connected to the sleeve instead of the main rib of the anti-floating anchor rod, so that the influence on the stress performance of the main rib of the anti-floating anchor rod caused by the direct welding of a positioning clamp of the traditional steel bar and the main rib of the anti-floating anchor rod is avoided; the distance from the outer end of the supporting rod to the central line of the sleeve is set to be equal to the aperture of the anchor hole, the position of the anti-floating anchor rod in the anchor hole is limited by the supporting rod and the reinforcing rod, the situation that the position of the anti-floating anchor rod in the anchor hole is not deviated in the center of the anchor hole or the position of the anti-floating anchor rod is avoided, the working performance of the anti-floating anchor rod is affected, and the integrity of the positioning support is also improved by the reinforcing rod.
As optimization, the number of the supporting rods is three, the three supporting rods are circumferentially arranged on the outer wall of the sleeve at equal intervals, the reinforcing rods are straight rods, and all the reinforcing rods are connected end to form an equilateral triangle. Through setting up branch on the sleeve into three, then the stiffener encloses the shape of synthetic closure for equilateral triangle, has not only practiced thrift the material of branch, and is equilateral triangle because of the closure, makes anti-floating anchor more even when the atress, and the welding of every end of equilateral triangle's stiffener is at the outer terminal surface of branch, need not pass through other manufacturing procedure to the stiffener during add man-hour, also fairly simple not loaded down with trivial details during the reinforcing bar unloading, therefore is easier during the actual production of site operation.
As optimization, branch sets up to three, and three equidistant circumference of branch sets up at telescopic outer wall, the stiffener is the arc pole, and all stiffeners end to end form circularly. Through setting up the stiffener into the arc pole, the stiffener encircles and sets up and form circular shape stiffener behind the periphery of branch, has increaseed the area of contact of stiffener with the anchor eye inner wall, has had stronger limiting displacement to anti-floating anchor pole, makes anti-floating anchor pole can not take place the skew in the position of anchor eye.
As optimization, each support rod is provided with an anti-floating mechanism, each anti-floating mechanism comprises a resistance rod and a shaft rod penetrating through a torsion spring, the shaft rods are horizontally arranged, one end of each shaft rod is vertically and fixedly connected to the support rod, and the resistance rods are hinged to the other ends of the shaft rods; one end of the torsion spring is fixed with the shaft lever, and the other end of the torsion spring is fixed with the resistance lever; the restraint ring is used for holding the free ends of all the resistance rods close to the anti-floating anchor rod so as to overcome the acting force of a torsional spring to restrain the free ends of the resistance rods in the anchor holes, and the free ends of the resistance rods are positioned below the support rods under the restraint of the restraint ring; when the restraint of the restraint ring disappears, the free ends of the resistance rods can rotate in the direction far away from the sleeve under the action of elastic reset of the torsion spring and abut against the hole wall of the anchor hole.
The anti-floating anchor rods are used as structural members for resisting upward displacement of buildings or underground soil, are related to the height and change of underground water level and are opposite to the stress direction of the compression-resistant piles; therefore, the torsion spring in the initial state is stretched towards the inner side of the anti-floating anchor rod by the restraint ring to enable the torsion spring to have initial elasticity, after the restraint ring is withdrawn, the resistance rod is propped against the inner wall of the anchor hole by the reset force of the torsion spring, the resistance rod generates inclined downward resistance to the inner wall of the peripheral side of the anchor hole to block upward movement of the building or underground soil, and the resistance of the anti-floating anchor rod to resist upward movement of the building or underground soil is improved.
As optimization, each resistance rod is provided with a groove for preventing the restraining ring from slipping off, and the contact part of the restraining ring and the corresponding resistance rod is embedded in the groove. The restraint ring is not easy to slip off from the resistance rod by arranging the groove, so that the restraint effect of the restraint ring on the resistance rod cannot be influenced.
And optimally, the support rod is made of waste steel bars. Compared with the plastic positioning clamp in the traditional sense, the waste steel bars are adopted to manufacture the waste steel bars which can fully utilize the waste steel bars generated in the production process on the ground, the cost control on the site is extremely favorable, the positioning support adopts a steel bar structure and can be fully combined with cement paste, the adverse effect of poor combination caused by the plastic positioning support is eliminated, and the thickness and the positioning quality of a protective layer can be greatly ensured.
Preferably, the restraining ring is made of fusible materials such as paraffin and the like. Because the melting point of the paraffin is lower, the heat emitted in the initial setting process of the cement paste in the anchor hole can completely melt the paraffin, so that the resistance rod moves outwards under the reset action of the torsion spring and is abutted to the inner wall of the anchor hole.
To sum up, the beneficial effects of the utility model reside in that: install the sleeve and can not influence the structural performance of stock self on anti-floating anchor rod, enable anti-floating anchor rod location accurate not emergence skew in the anchor eye through setting up branch and stiffener simultaneously, through set up anti-floating mechanism on branch, can strengthen anti-floating anchor rod to the anti-floating ability of underground soil or building.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a top view of the present invention;
FIG. 2 is a front view of the resistance rod of FIG. 1 in a stressed state;
fig. 3 is a plan view of embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Reference numerals in the drawings of the specification include: sleeve 1, branch 2, stiffener 3, axostylus axostyle 4, torsional spring 5, resistance bar 6, recess 7, restriction ring 8, anti-floating anchor rod 9, anchor eye 10.
As shown in fig. 1, the single-rib anti-floating anchor structure in this embodiment includes a plurality of support rods 2, an anti-floating anchor 9 and a sleeve 1, the sleeve 1 is sleeved on the anti-floating anchor 9, the anti-floating anchor 9 is a threaded rib, an inner wall of the sleeve 1 is provided with an internal thread, the internal thread is matched with a thread of the anti-floating anchor 9, and the sleeve 1 can be screwed into any designated position of the anti-floating anchor 9 in the length direction by rotating the sleeve 1; the support rods 2 are equal in length and are circumferentially arranged on the outer wall of the sleeve 1, and the support rods 2 are positioned on the same horizontal plane; the outer ends of the adjacent supporting rods 2 are connected with reinforcing rods 3, all the reinforcing rods 3 are connected end to end, and the distance from the outer ends of the supporting rods 2 to the central line of the sleeve 1 is equal to the aperture of the anchor hole 10; in this embodiment 1, branch 2 sets up to 3, and many 2 equidistant circumference settings of branch set up at sleeve 1's outer wall, and stiffener 3 is the arc pole, and the shape that 3 end to end of stiffener formed is circular. Through setting up stiffener 3 into the arc pole, stiffener 3 encircles and sets up and form circular shape stiffener 3 behind the periphery of branch 2, has increaseed the area of contact of stiffener 3 with anchor eye 10 inner wall, has had stronger limiting displacement to anti-floating anchor 9, makes anti-floating anchor 9 can not take place the skew in the position of anchor eye 10.
The implementation process comprises the following steps: firstly, the anti-floating anchor rod 9 is a threaded single rib, an internal thread matched with the anti-floating anchor rod 9 is arranged in the sleeve 1, the sleeve 1 is screwed into any required position of the anti-floating anchor rod 9 by rotating the sleeve, the thread in the sleeve 1 is combined with the threaded rib, and the threaded rib has a locking effect on the sleeve 1 to fix the position of the positioning frame; the support rod 2 is fixedly connected to the sleeve 1 instead of the main rib of the anti-floating anchor rod 9, so that the influence on the stress performance of the main rib of the anti-floating anchor rod due to the direct welding of a positioning clamp of the traditional steel bar and the main rib of the anti-floating anchor rod 9 is avoided; through setting up the external diameter with stiffener 3 to be equal to the aperture of anchor eye 10, branch 2 and stiffener 3 have injectd the position of anti-floating anchor 9 in anchor eye 10 jointly, have avoided the position of anti-floating anchor 9 in anchor eye 10 not take place the skew in the center of anchor eye 10 or position, and influence the working property of anti-floating anchor 9, and stiffener 3 has also improved the wholeness of locating support.
In embodiment 2, three supporting rods 2 are arranged, and a plurality of supporting rods 2 are circumferentially arranged on the outer wall of the sleeve 1 at equal intervals, as shown in fig. 3, the reinforcing rods 3 are enclosed end to end in an equilateral triangle; set up to three through 2 branch with on the sleeve, then 3 shapes that enclose synthetic closure of stiffener are equilateral triangle, have not only practiced thrift the material of branch 2, and be equilateral triangle because of the closure, make anti-floating anchor 9 more even when the atress, equilateral triangle's stiffener 3's every end welding is at the outer terminal surface of branch 2, need not pass through other manufacturing procedure to stiffener 3 during man-hour, also more simply not loaded down with trivial details during the reinforcing bar unloading, therefore it is easier during the actual production of site operation.
In a specific embodiment, as shown in fig. 2, each strut 2 is provided with an anti-floating mechanism, the anti-floating mechanism comprises a resistance bar 6 and a shaft lever 4 through which a torsion spring 5 penetrates, the shaft lever 4 is horizontally arranged, one end of the shaft lever 4 is vertically and fixedly connected to the strut 2, and the resistance bar 6 is hinged to the other end of the shaft lever 4; one end of the torsion spring 5 is fixed with the shaft lever 4, and the other end is fixed with the resistance lever 6; the anti-floating anchor rod structure further comprises a restraining ring 8, the restraining ring 8 is used for holding the free ends of all the resistance rods 6 close to the anti-floating anchor rod 9 so as to overcome the acting force of the torsion spring 5 to restrain the free ends of the resistance rods 6 in the anchor hole 10, and the free ends of the resistance rods 6 are located below the support rod 2 under the restraint of the restraining ring 8; when the restriction of the restriction ring 8 disappears, the free ends of the resistance rods 6 rotate in the direction away from the sleeve under the elastic resetting action of the torsion spring 5 and abut against the hole wall of the anchor hole 10. In this embodiment, the confinement ring 8 is made of a meltable material.
The structural member arranged for resisting the upward displacement of the building or the underground soil is related to the height and the change of the underground water level and is opposite to the stress direction of the compression-resistant pile due to the function of the anti-floating anchor rod 9; therefore, the torsion spring 5 in the initial state is stretched towards the inner side of the anti-floating anchor rod 9 by the restraint ring 8, so that the torsion spring 5 has initial elasticity, in the construction process, when heat generated by initial setting of cement slurry in the anchor hole 10 melts the restraint ring 8, the resistance rod 6 is pressed against the inner wall of the anchor hole 10 by the reset force of the torsion spring 5, the resistance rod 6 generates inclined downward resistance to the inner wall of the peripheral side of the anchor hole 10, upward movement of a building or underground soil is prevented, and the resistance of the anti-floating anchor rod 9 to upward movement of the building or underground soil is improved.
In the specific embodiment, each resistance bar 6 is provided with a groove 7 for preventing the restraint ring 8 from slipping off, and the contact part of the restraint ring 8 and the corresponding resistance bar 6 is embedded in the groove 7. Make restraint ring 8 be difficult for the landing on resistance bar 6 through setting up recess 7 to can not influence the restraint effect of restraint ring 8 to resistance bar 6.
In a specific embodiment, the strut 2 is made of waste steel bars. Compared with the plastic positioning clamp in the traditional sense, the waste steel bars are adopted to manufacture the waste steel bars which can fully utilize the waste steel bars generated in the production process on the factory, the cost control on the site is extremely favorable, the positioning support adopts the steel bar structure and can be fully combined with cement paste, the adverse effect caused by poor combination of the plastic positioning support is eliminated, and the thickness and the positioning quality of the protective layer can be greatly ensured.
In the implementation process of the specific implementation, the constraint ring 8 is made of fusible materials such as paraffin. Because the melting point of the paraffin is very low, the heat emitted in the initial setting process of the cement paste in the anchor hole 10 can completely melt the paraffin, so that the resistance rod 6 moves outwards under the reset action of the torsion spring 5 and is abutted to the inner wall of the anchor hole 10.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. Single muscle anti-floating anchor rod structure, including many spinal branchs pole, anti-floating anchor rod and sleeve, the sleeve cover is established on anti-floating anchor rod, its characterized in that: the anti-floating anchor rod is a threaded rib, the inner wall of the sleeve is provided with an internal thread, the internal thread is matched with the thread of the anti-floating anchor rod, and the sleeve can be screwed into any specified position in the length direction of the anti-floating anchor rod by rotating the sleeve; the support rods are equal in length and are circumferentially arranged on the outer wall of the sleeve, and the support rods are positioned on the same horizontal plane; and reinforcing rods are connected between the outer ends of the adjacent supporting rods, all the reinforcing rods are connected end to end, and the distance from the outer ends of the supporting rods to the central line of the sleeve is equal to the aperture of the anchor hole.
2. The single-bar anti-floating anchor rod structure according to claim 1, wherein: the number of the supporting rods is three, the three supporting rods are circumferentially arranged on the outer wall of the sleeve at equal intervals, the reinforcing rods are straight rods, and all the reinforcing rods are connected end to form an equilateral triangle.
3. The single-bar anti-floating anchor rod structure according to claim 1, wherein: the supporting rods are arranged to be three, the three supporting rods are circumferentially arranged on the outer wall of the sleeve at equal intervals, the reinforcing rods are arc-shaped rods, and all the reinforcing rods are connected end to form a circle.
4. The single-bar anti-floating anchor rod structure according to claim 1, wherein: each support rod is provided with an anti-floating mechanism, each anti-floating mechanism comprises a resistance rod and a shaft rod penetrating through a torsion spring, the shaft rods are horizontally arranged, one end of each shaft rod is vertically and fixedly connected to the support rod, and the resistance rods are hinged to the other ends of the shaft rods; one end of the torsion spring is fixed with the shaft lever, and the other end of the torsion spring is fixed with the resistance lever; the restraint ring is used for holding the free ends of all the resistance rods close to the anti-floating anchor rod so as to overcome the acting force of a torsional spring to restrain the free ends of the resistance rods in the anchor holes, and the free ends of the resistance rods are positioned below the support rods under the restraint of the restraint ring; when the restraint of the restraint ring disappears, the free ends of the resistance rods can rotate in the direction far away from the sleeve under the action of elastic reset of the torsion spring and abut against the hole wall of the anchor hole.
5. The single-bar anti-floating anchor rod structure according to claim 4, wherein: each resistance bar is provided with a groove for preventing the restraint ring from slipping, and the contact part of the restraint ring and the corresponding resistance bar is embedded in the groove.
6. The single-bar anti-floating anchor rod structure according to any one of claims 1 to 5, wherein: the supporting rod is made of waste steel bars.
7. The single-bar anti-floating anchor rod structure according to claim 4, wherein: the restraint ring is made of fusible materials such as paraffin and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521505.0U CN209816937U (en) | 2019-04-17 | 2019-04-17 | Single-rib anti-floating anchor rod structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521505.0U CN209816937U (en) | 2019-04-17 | 2019-04-17 | Single-rib anti-floating anchor rod structure |
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| CN209816937U true CN209816937U (en) | 2019-12-20 |
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| CN201920521505.0U Active CN209816937U (en) | 2019-04-17 | 2019-04-17 | Single-rib anti-floating anchor rod structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252376A (en) * | 2020-10-14 | 2021-01-22 | 中积兴业建设集团有限公司 | Self-locking anti-floating anchor rod construction method in complex geological environment |
| CN112281928A (en) * | 2020-11-03 | 2021-01-29 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
| CN113550307A (en) * | 2021-07-12 | 2021-10-26 | 广西北投交通养护科技集团有限公司 | A linkage structure and construction method for enhancing the pullout resistance of anchor rods |
| CN115324079A (en) * | 2022-07-28 | 2022-11-11 | 四川省公路规划勘察设计研究院有限公司 | Variable section early warning anti-sliding pile |
| CN116335126A (en) * | 2023-04-03 | 2023-06-27 | 中建八局华南建设有限公司 | Prestressing force transfer device for anti-floating anchor |
-
2019
- 2019-04-17 CN CN201920521505.0U patent/CN209816937U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252376A (en) * | 2020-10-14 | 2021-01-22 | 中积兴业建设集团有限公司 | Self-locking anti-floating anchor rod construction method in complex geological environment |
| CN112281928A (en) * | 2020-11-03 | 2021-01-29 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
| CN112281928B (en) * | 2020-11-03 | 2022-03-08 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
| CN113550307A (en) * | 2021-07-12 | 2021-10-26 | 广西北投交通养护科技集团有限公司 | A linkage structure and construction method for enhancing the pullout resistance of anchor rods |
| CN113550307B (en) * | 2021-07-12 | 2022-07-01 | 广西北投交通养护科技集团有限公司 | Linkage type structure for improving pulling resistance of anchor rod and construction method |
| CN115324079A (en) * | 2022-07-28 | 2022-11-11 | 四川省公路规划勘察设计研究院有限公司 | Variable section early warning anti-sliding pile |
| CN115324079B (en) * | 2022-07-28 | 2023-12-22 | 四川省公路规划勘察设计研究院有限公司 | Variable cross-section early warning slide-resistant pile |
| CN116335126A (en) * | 2023-04-03 | 2023-06-27 | 中建八局华南建设有限公司 | Prestressing force transfer device for anti-floating anchor |
| CN116335126B (en) * | 2023-04-03 | 2025-08-22 | 中建八局华南建设有限公司 | A prestressed stress transmission device for anti-floating anchor rod |
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