CN115369870A - Post-cast anti-floating anchor rod - Google Patents
Post-cast anti-floating anchor rod Download PDFInfo
- Publication number
- CN115369870A CN115369870A CN202211156138.1A CN202211156138A CN115369870A CN 115369870 A CN115369870 A CN 115369870A CN 202211156138 A CN202211156138 A CN 202211156138A CN 115369870 A CN115369870 A CN 115369870A
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- Prior art keywords
- anchor rod
- post
- grouting pipe
- anchor
- sleeve
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a post-cast anti-floating anchor rod, which comprises: the anchor rod comprises a sleeve, anchor rod reinforcing steel bars, a rear grouting pipe, a front grouting pipe and a casting body, wherein the sleeve is arranged at the top end of an anchor hole of a soil layer and is pre-embedded in a waterproof cushion layer and a foundation structure layer, a stiffening ring plate is arranged on the inner wall of the sleeve, 3 openings for containing the anchor rod reinforcing steel bars are arranged on the inner side of the stiffening ring plate, and the openings are distributed at equal angles with the inner side of the stiffening ring plate; back slip casting pipe, preceding slip casting pipe and 3 stock reinforcing bars set up in the stock hole, and each stock reinforcing bar links to each other with being equipped with a plurality of articulated elements between the slip casting pipe after with, when the in-process of sending into stock reinforcing bar and back slip casting pipe in the stock hole, each stock reinforcing bar is pressed close to and is set up with back slip casting pipe, when stock reinforcing bar and back slip casting pipe top touch in the bottom of stock hole, each articulated element expandes and props 3 stock reinforcing bars from back slip casting pipe, and make the afterbody of 3 stock reinforcing bars block respectively in 3 openings, and accomplish the being connected of stock reinforcing bar and stiffening ring board through the nut.
Description
Technical Field
The invention belongs to the field of anti-floating structures of buildings, and particularly relates to a post-cast anti-floating anchor rod.
Background
The anti-floating anchor rod construction technology is mature day by day in building construction, but the traditional anti-floating anchor rod construction technology still has a great limitation.
The traditional anti-floating anchor rod has a long construction period, and the construction of the anti-floating anchor rod can be carried out in the next procedure only after the anti-floating anchor rod reaches a certain strength, so that the rapid penetration of each procedure is difficult to realize due to the technical intermittence, and the foundation construction cannot be completed in a short time;
meanwhile, after the traditional anti-floating anchor rod is constructed, the reinforcing steel bars on the upper portion of the anchor rod can be exposed for a long time in the process of strength rising, and other process machines and personnel easily roll and bend the reinforcing steel bars of the anchor rod in the construction process when the finished product is not protected in place, so that the anchoring body is disturbed before the strength of the anti-floating anchor rod does not meet the design requirements, and therefore anti-floating failure is caused.
Therefore, a new anchor rod technology capable of solving the conventional problems is urgently needed.
Disclosure of Invention
The invention aims to: in order to overcome the prior art problem, a post-cast anti-floating anchor rod is disclosed, and through the structural design of the post-cast anti-floating anchor rod, the anchor rod can be used for carrying out the construction of the anti-floating anchor rod in a pre-buried sleeve after the construction of a basement structure is completed, and the construction process of the traditional anti-floating anchor rod is changed.
The purpose of the invention is realized by the following technical scheme:
a post-cast anti-floating anchor, the post-cast anti-floating anchor comprising: the anchor rod comprises a sleeve, anchor rod reinforcing steel bars, a rear grouting pipe, a front grouting pipe and a casting body, wherein the sleeve is arranged at the top end of an anchor hole of a soil layer and is pre-embedded in a waterproof cushion layer and a foundation structure layer, a stiffening ring plate is arranged on the inner wall of the sleeve, 3 openings for containing the anchor rod reinforcing steel bars are arranged on the inner side of the stiffening ring plate, and the openings are distributed at equal angles with the inner side of the stiffening ring plate; the rear grouting pipe, the front grouting pipe and the 3 anchor rod steel bars are arranged in the anchor hole, a plurality of hinged parts are arranged between each anchor rod steel bar and the rear grouting pipe for connection, when the anchor rod steel bars and the rear grouting pipe are fed into the anchor hole, each anchor rod steel bar is arranged close to the rear grouting pipe, when the anchor rod steel bars and the rear grouting pipe are pressed against the bottom of the anchor hole, each hinged part is unfolded and supports the 3 anchor rod steel bars away from the rear grouting pipe, the tail parts of the 3 anchor rod steel bars are respectively clamped into the 3 openings, and the connection between the anchor rod steel bars and the stiffening ring plate is completed through nuts; and the casting body is cast on the inner sides of the anchor hole and the sleeve by a rear grouting pipe and/or a front grouting pipe.
According to a preferred embodiment, the articulation comprises: the anchor rod comprises a lantern ring, a hoop and a joint hinge, wherein the lantern ring is sleeved on a rear grouting pipe, the hoop is sleeved on an anchor rod steel bar, and a hinge seat in the joint hinge is hinged with the top end of the lantern ring through a shaft rod; the hinge head in the joint hinge is vertically connected with the hoop through a shaft lever.
According to a preferred embodiment, the side wall of the rear grouting pipe is provided with a plurality of one-way valves for secondary grouting.
According to a preferred embodiment, the anchor rod steel bar is formed by splicing a plurality of steel bar sections, and the rear grouting pipe is formed by splicing a plurality of pipe bodies.
According to a preferred embodiment, the end part of each steel bar section is provided with an external thread structure, and adjacent steel bar sections are connected through a sleeve to be internally threaded; all the pipe bodies forming the rear grouting pipe are connected with each other through a thread structure.
According to a preferred embodiment, a plurality of water stop rings are arranged on the inner wall and the outer wall of the sleeve, and the water stop rings on the outer wall of the sleeve are pre-poured in the waterproof cushion layer and the foundation structure layer.
According to a preferred embodiment, the top of the sleeve is also provided with a buried plate, and the buried plate is fixed on a water stop ring at the inner top side of the sleeve through bolts.
According to a preferable embodiment, a water-swelling rubber water stop pad is further arranged between the buried plate and the water stop ring.
According to a preferred embodiment, the sleeve is constructed integrally with the water stop rings.
According to a preferred embodiment, the sleeve and the stiffening ring plate are constructed by welding or integrally molding.
The aforementioned main aspects of the invention and their respective further alternatives can be freely combined to form a plurality of aspects, all of which are aspects that can be adopted and claimed by the present invention. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
The invention has the beneficial effects that: by the structural design of the post-cast anti-floating anchor rod, the post-cast anti-floating anchor rod can be constructed in the pre-buried sleeve after the construction of a basement structure or the construction of an integral building frame structure is finished, and the construction process of the traditional anti-floating anchor rod is changed. Therefore, the construction of the anti-floating anchor rod can be parallel to the construction of other structures, and the whole construction period of the building is greatly saved.
Drawings
FIG. 1 is a schematic view of the top connection structure of the post-cast anti-floating anchor rod of the present invention;
FIG. 2 is a schematic cross-sectional view of the post-cast anti-floating anchor stiffening ring plate according to the present invention;
FIG. 3 is a schematic view showing the connection relationship between the reinforcing bars of the anchor rods in the post-cast anti-floating anchor rod of the present invention;
FIG. 4 is a schematic view showing the connection relationship between the reinforcing bars of each anchor rod and the post-grouting pipe in the post-cast anti-floating anchor rod of the present invention;
FIG. 5 is a schematic structural view of the post-cast anti-floating anchor rod of the present invention before the reinforcing bars of the anchor rod are expanded;
FIG. 6 is a schematic structural view of the post-cast anti-floating anchor rod of the present invention after the reinforcing bars of the anchor rod are unfolded;
101-casing pipe, 102-water stop ring, 103-stiffening ring plate, 103 a-notch, 104-buried plate, 105-bolt, 201-anchor rod steel bar, 201 a-sleeve, 202-rear grouting pipe, 202 a-check valve, 203-front grouting pipe, 204-lantern ring, 205-hoop, 206-joint hinge, 300-anchor hole, 301-soil layer, 302-waterproof cushion layer and 303-foundation structure layer.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, it should be noted that, in the present invention, if the specific structures, connection relationships, position relationships, power source relationships, and the like are not written in particular, the structures, connection relationships, position relationships, power source relationships, and the like related to the present invention can be known by those skilled in the art without creative work on the basis of the prior art.
Example 1:
referring to fig. 1 to 6, there is shown a post-cast anti-floating anchor comprising: casing 101, anchor bar 201, rear grout pipe 202, front grout pipe 203 and the cast body. The post-cast anti-floating anchor rod is connected with the surrounding building waterproof cushion layer 302 and the foundation structure layer 303 through the sleeve 101. The post-grouting pipe 202 is used to achieve high-pressure secondary grouting.
The casing 101 is arranged at the top end of an anchor hole 300 of a soil layer 301 and is pre-embedded in a waterproof cushion layer 302 and a foundation structure layer 303.
Preferably, a plurality of water stop rings 102 are arranged on the inner wall and the outer wall of the casing 101, and the water stop rings 102 on the outer wall of the casing 101 are pre-cast in the waterproof cushion layer 302 and the foundation structure layer 303. The sleeve 101 and the water stop rings 102 may be integrally formed.
The water stop ring 102 helps to isolate underground water in the soil layer 301 or below the soil layer 301, and avoids the phenomenon that the underground water breaks through the foundation structure layer 303 through gaps between the structure layers and the post-cast anti-floating anchor rods to cause water permeation accidents.
Preferably, the inner wall of the casing 101 is provided with a stiffening ring plate 103, the inner side of the stiffening ring plate 103 is provided with 3 openings 103a for accommodating the anchor rod reinforcing steel bars 201, and the openings 103a are distributed at equal angles with the inner side of the stiffening ring plate 103. For example, the casing 101 and the stiffener ring plate 103 are constructed by welding or integral molding.
Preferably, the rear grouting pipe 202, the front grouting pipe 203 and 3 anchor bars 201 are disposed in the anchor hole 300, and a plurality of hinges are disposed between each anchor bar 201 and the rear grouting pipe 202.
When the anchor bars 201 and the rear grout pipe 202 are fed into the anchor hole 300, each anchor bar 201 is disposed adjacent to the rear grout pipe 202 so that each anchor bar 201 can be smoothly fed into the anchor hole 300.
When the anchor rod steel bars 201 and the rear grouting pipe 202 are abutted to the bottom of the anchor hole 300, each hinge part is unfolded and supports 3 anchor rod steel bars 201 away from the rear grouting pipe 202, the tails of the 3 anchor rod steel bars 201 are respectively clamped into the 3 gaps 103a, and the connection between the anchor rod steel bars 201 and the stiffening ring plate 103 is completed through nuts. The anchor rod reinforcing steel bars 201 are connected with the stiffening ring plate 103 of the reserved casing 101 to achieve the anchoring effect.
The 3 anchor bars 201 are supported away from the rear grouting pipe 202 by the hinge and are clamped into the 3 notches 103 a. That is, the uniform distribution of the 3 anchor rod reinforcing steel bars 201 in the anchor hole is completed, so that after grouting, the post-cast anti-floating anchor rod has strong structural stability and good drawing performance.
The casting body is cast inside the anchor hole 300 and the casing 101 by the rear grouting pipe 202 and/or the front grouting pipe 203. The casting body is obtained by solidifying concrete slurry.
Preferably, a plurality of check valves 202a for secondary grouting are arranged on the side wall of the rear grouting pipe 202. When the density of the slurry injected by the front grouting pipe 203 is too low or dilute, high-density and high-pressure secondary grouting can be performed by the rear grouting pipe 202 through the check valve 202a. Or, when the post-cast anti-floating anchor rod is broken in an internal structure within a certain service life or the internal structure is broken due to earthquake and other reasons, secondary grouting can be performed through the post-grouting pipe 202, so that structural repair of the anti-floating anchor rod is realized, and the service life of the anti-floating anchor rod is prolonged.
Preferably, the hinge comprises: a collar 204, a clip 205, and an articulation joint 206. The lantern ring 204 is sleeved on the rear grouting pipe 202, and the clamp band 205 is sleeved on the anchor rod steel bar 201. The hinge seat in the articulation hinge 206 is hinged to the top end of the collar 204 via a shaft. The joint of the knuckle 206 is connected to the yoke 205 via a shaft.
That is, the structural arrangement of the hinge member allows each anchor bar 201 to be close to the rear grout pipe 202 or far away from the rear grout pipe 202. When each anchor rod steel bar 201 is close to the rear grouting pipe 202, the anchor rod steel bars 201 and the rear grouting pipe 202 are conveniently sent into the anchor hole 300; when each anchor rod reinforcing bar 201 is kept away from back slip casting pipe 202, each anchor rod reinforcing bar 201 is kept away from the distance of back slip casting pipe 202 through the length control of hinge seat shaft length, realizes each anchor rod reinforcing bar 201 in the evenly distributed of anchor eye 300.
Preferably, the anchor bar 201 is formed by splicing a plurality of bar sections, and the rear grouting pipe 202 is formed by splicing a plurality of pipe bodies.
Furthermore, the end part of each steel bar section is provided with an external thread structure, and the adjacent steel bar sections are connected through a sleeve 201a to be internally threaded; the pipe bodies forming the rear grouting pipe 202 are connected with each other through a thread structure.
Through carrying out segmentation setting with stock reinforcing bar 201 and back slip casting pipe 202 to make this post-cast anti-floating anchor rod can be adapted to narrow environment, for example, the scene that basement topside floor has been under construction and has been accomplished.
Preferably, the top of the casing 101 is further provided with a buried plate 104, and the buried plate 104 is fixed on the water stop ring 102 on the top side in the casing 101 through bolts 105. A water-swelling rubber water-stopping pad is arranged between the buried plate 104 and the water-stopping ring 102. Through the bolt with bury and set up water-swelling rubber stagnant water pad between the board, play waterproof effect, prevent simultaneously that anti-floating anchor bolt inefficacy flood peak's pressure from strikeing, lead to the infiltration. That is, the water-resisting performance of the post-cast anti-floating anchor rod can be further improved by the arranged buried plate 104.
By the structural design of the post-cast anti-floating anchor rod, the post-cast anti-floating anchor rod can be constructed in the pre-buried sleeve after the construction of a basement structure or the construction of an integral building frame structure is finished, and the construction process of the traditional anti-floating anchor rod is changed. Therefore, the construction of the anti-floating anchor rod can be parallel to the construction of other structures, and the whole construction period of the building is greatly saved. Meanwhile, the long-time exposure of the reinforcing steel bars of the anti-floating anchor rod is avoided, and the finished product protection is well carried out.
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 utility model provides a post-cast anti-floating anchor rod which characterized in that, post-cast anti-floating anchor rod includes: a sleeve (101), an anchor rod reinforcing steel bar (201), a rear grouting pipe (202), a front grouting pipe (203) and a casting body,
the sleeve (101) is arranged at the top end of an anchor hole (300) of a soil layer (301) and is pre-embedded in a waterproof cushion layer (302) and a foundation structure layer (303), a stiffening ring plate (103) is arranged on the inner wall of the sleeve (101), 3 openings (103 a) for accommodating anchor rod reinforcing steel bars (201) are formed in the inner side of the stiffening ring plate (103), and the openings (103 a) are distributed at equal angles with the inner side of the stiffening ring plate (103);
the rear grouting pipe (202), the front grouting pipe (203) and 3 anchor rod reinforcing steel bars (201) are arranged in the anchor hole (300), a plurality of hinged parts are arranged between each anchor rod reinforcing steel bar (201) and the rear grouting pipe (202) for connection,
when the anchor rod reinforcing steel bars (201) and the rear grouting pipe (202) are fed into the anchor hole (300), each anchor rod reinforcing steel bar (201) is arranged close to the rear grouting pipe (202),
when the anchor rod reinforcing steel bars (201) and the rear grouting pipe (202) are propped against the bottom of the anchor hole (300), all the hinge parts are unfolded and support 3 anchor rod reinforcing steel bars (201) away from the rear grouting pipe (202), the tails of the 3 anchor rod reinforcing steel bars (201) are respectively clamped into the 3 gaps (103 a), and the connection between the anchor rod reinforcing steel bars (201) and the stiffening ring plate (103) is completed through nuts;
the casting body is cast in the anchor hole (300) and the inner side of the sleeve (101) through a rear grouting pipe (202) and/or a front grouting pipe (203).
2. A post-cast anti-floating anchor according to claim 1, in which the hinge comprises: a lantern ring (204), a hoop (205) and a joint hinge (206),
the lantern ring (204) is sleeved on the rear grouting pipe (202), the clamp (205) is sleeved on the anchor rod steel bar (201), and a hinged support in the joint hinge (206) is hinged with the top end of the lantern ring (204) through a shaft rod; the joint head of the joint hinge (206) is vertically connected with the clamp (205) through a shaft rod.
3. The post-cast anti-floating anchor rod according to claim 1, wherein the side wall of the post-cast grouting pipe (202) is provided with a plurality of check valves (202 a) for performing secondary grouting.
4. A post-cast anti-floating anchor according to claim 1, wherein said anchor reinforcement (201) is formed by splicing a plurality of reinforcement segments, and said post-grouting pipe (202) is formed by splicing a plurality of pipe bodies.
5. A post-cast anti-floating anchor rod according to claim 4, wherein the end of each reinforcing bar section is provided with an external thread structure, and adjacent reinforcing bar sections are connected through a sleeve (201 a) to be internally threaded; all the pipe bodies forming the rear grouting pipe (202) are connected with each other through a thread structure.
6. The post-cast anti-floating anchor rod according to claim 1, wherein a plurality of water stop rings (102) are arranged on the inner wall and the outer wall of the sleeve (101), and the water stop rings (102) on the outer wall of the sleeve (101) are pre-cast in the waterproof cushion layer (302) and the foundation structure layer (303).
7. A post-cast anti-floating anchor according to claim 1, wherein the top of the casing (101) is further provided with a buried plate (104), and the buried plate (104) is fixed on the water stop ring (102) on the inner top side of the casing (101) through bolts (105).
8. A post-cast anti-floating anchor according to claim 7, wherein a water-swelling rubber water stop pad is further provided between the buried plate (104) and the water stop ring (102).
9. A post-cast anti-floating anchor according to claim 1, in which the sleeve (101) is integrally formed with each water stop ring (102).
10. A post-cast anti-floating anchor according to claim 1, wherein said sleeve (101) and said stiffening ring plate (103) are constructed by welding or by integral molding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211156138.1A CN115369870B (en) | 2022-09-22 | 2022-09-22 | Post-cast anti-floating anchor rod |
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| CN202211156138.1A CN115369870B (en) | 2022-09-22 | 2022-09-22 | Post-cast anti-floating anchor rod |
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| CN115369870A true CN115369870A (en) | 2022-11-22 |
| CN115369870B CN115369870B (en) | 2023-08-01 |
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| WO2020151347A1 (en) * | 2019-01-24 | 2020-07-30 | 深圳市地质环境研究院有限公司 | Prefabricated prestressed anchor structure |
| CN210031841U (en) * | 2019-04-01 | 2020-02-07 | 宁波冶金勘察设计研究股份有限公司 | Side slope supporting structure |
| CN211735544U (en) * | 2020-02-17 | 2020-10-23 | 中国建筑第八工程局有限公司 | Anti-floating anchor rod of foundation slab |
| CN111519670A (en) * | 2020-05-06 | 2020-08-11 | 无锡锡晟建设有限公司 | Concave reinforced anti-floating anchor rod structure and verticality measuring device thereof |
| WO2021223400A1 (en) * | 2020-05-06 | 2021-11-11 | 江苏景源万河环境科技有限公司 | Prefabricated combined assembly-type anti-floating tensile prestressed anchor rod member and construction method therefor |
| WO2022011913A1 (en) * | 2020-05-06 | 2022-01-20 | 江苏景源万河环境科技有限公司 | Prestressed unbonded anchor bolt rebar, anchor bolt, and construction method |
| CN111676968A (en) * | 2020-07-09 | 2020-09-18 | 中信国安建工集团有限公司 | Reinforced anti-floating anchor rod construction structure and construction process |
| 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 |
| CN112695753A (en) * | 2020-12-03 | 2021-04-23 | 北京东地岩土工程有限公司 | Enlarged footing anchor rod structure and construction process thereof |
| CN214738022U (en) * | 2020-12-30 | 2021-11-16 | 中建协和建设有限公司 | Tool type anti-floating anchor rod steel bar fixing device |
| JP2022549528A (en) * | 2021-02-22 | 2022-11-25 | 中▲鉄▼九局集▲団▼第四工程有限公司 | Ultra-long and small-diameter borehole pile construction method |
| CN214738026U (en) * | 2021-03-31 | 2021-11-16 | 中建五局华东建设有限公司 | Tool type anti-floating anchor rod steel bar fixing tool |
| CN113718858A (en) * | 2021-08-31 | 2021-11-30 | 中国五冶集团有限公司 | Anti-floating anchor rod node waterproof structure for deep foundation pit |
| CN216379510U (en) * | 2021-12-15 | 2022-04-26 | 中国五冶集团有限公司 | Bamboo joint type all-steel structural anti-floating anchor rod |
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