CN112663608A - Pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and construction method thereof - Google Patents
Pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and construction method thereof Download PDFInfo
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- CN112663608A CN112663608A CN202110056399.5A CN202110056399A CN112663608A CN 112663608 A CN112663608 A CN 112663608A CN 202110056399 A CN202110056399 A CN 202110056399A CN 112663608 A CN112663608 A CN 112663608A
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Abstract
The application discloses pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and a construction method thereof, and the method comprises the following steps: a pressure bearing bracket and an anti-floating anchor rod; the anti-floating anchor rod is wrapped with a sleeve; the pressure-bearing support is arranged at a preset depth position in a target anchor hole, wherein the anti-floating anchor rod is bent oppositely through the pressure-bearing support at the preset depth position in the target anchor hole to form a U-shaped anti-floating anchor rod; the outer surface of the pressure-bearing bracket in the length direction of the U-shaped anti-floating anchor rod is of a concave-convex structure; the U-shaped bottom end of the U-shaped anti-floating anchor rod is positioned at the inner lower side of the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod extends out of the top end of the target anchor hole; and the pressure-bearing support is anchored in the target anchor hole through anti-floating anchor grouting body. The anti-floating anchor rod and the anti-floating anchor rod grouting body are not in direct contact, and the anti-floating anchor rod grouting body can be firmly anchored in the target anchor hole through the pressure bearing support, so that the technical effects of uniform stress and rust prevention and corrosion prevention are achieved.
Description
Technical Field
The application belongs to the technical field of foundation anti-floating, and particularly relates to a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and a construction method thereof.
Background
The anti-floating anchor rod is a structural member arranged for resisting upward displacement of a building on the anti-floating anchor rod, and is one of anti-floating measures of an underground structure of building engineering. The anti-floating anchor bar resists the upward displacement of the building on the anti-floating anchor bar mainly by bearing the pulling force transmitted from the top to the bottom.
However, the anti-floating anchor in the prior art is usually in direct contact with the anti-floating anchor grout and is bonded together, so that the anti-floating anchor is stressed unevenly, and the situation that local deformation is too large and even the anti-floating anchor is broken easily occurs. In addition, because the anti-floating anchor rod needs to work in the underground environment for a long time, the anti-floating anchor rod and the anti-floating anchor rod grouting body adopt the corrosion problem that the mode of direct contact can bring.
Therefore, an anti-corrosion anti-floating anchor rod with uniform stress is needed.
Disclosure of Invention
In order to solve the problems that in the prior art, an anti-floating anchor rod and an anti-floating anchor rod grouting body are in direct contact, so that the stress is uneven, the local deformation is too large and even the anti-floating anchor rod grouting body is broken easily, and the corrosion is caused, the application provides a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and a construction method thereof.
In a first aspect, the present application provides a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress, comprising: a pressure bearing bracket and an anti-floating anchor rod; the anti-floating anchor rod is wrapped with a sleeve; the pressure-bearing support is arranged at a preset depth position in a target anchor hole, wherein the anti-floating anchor rod is bent oppositely through the pressure-bearing support at the preset depth position in the target anchor hole to form a U-shaped anti-floating anchor rod; the outer surface of the pressure-bearing bracket in the length direction of the U-shaped anti-floating anchor rod is of a concave-convex structure; the U-shaped bottom end of the U-shaped anti-floating anchor rod is positioned at the inner lower side of the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod extends out of the top end of the target anchor hole; and the pressure-bearing support is anchored in the target anchor hole through anti-floating anchor grouting body.
Optionally, at least one pressure-bearing support is further arranged from the U-shaped bottom end of the U-shaped anti-floating anchor rod to the U-shaped opening end of the U-shaped anti-floating anchor rod.
Optionally, the anti-floating anchor rod is coated with an anti-corrosion material, and a sleeve is wrapped outside the anti-floating anchor rod coated with the anti-corrosion material.
Optionally, the underground soil body top of target anchor eye periphery is the reinforced concrete bottom plate, the underground soil body with be equipped with waterproof bed course between the reinforced concrete bottom plate, the target anchor eye top is equipped with the separation end cap, the separation end cap with waterproof bed course top overlap joint.
Optionally, a reserved tensioning space is arranged on the reinforced concrete bottom plate, the U-shaped opening end of the U-shaped anti-floating anchor rod is located in the reserved tensioning space, and a protective cover is covered above the U-shaped opening end of the U-shaped anti-floating anchor rod.
Optionally, the outer surface of the pressure-bearing support in the length direction of the U-shaped anti-floating anchor rod is of a sawtooth structure.
Optionally, the anti-floating anchor rod is made of steel strands.
Optionally, the sleeve is a plastic sleeve.
In a second aspect, the application further provides a construction method of the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress, which comprises the following steps: bending an anti-floating anchor rod through a pressure-bearing support to form a U-shaped anti-floating anchor rod, wherein a sleeve is wrapped outside the anti-floating anchor rod; integrally placing the U-shaped anti-floating anchor rod and the pressure-bearing support at a preset depth position in a target anchor hole, so that the U-shaped bottom end of the U-shaped anti-floating anchor rod is positioned at the lower side in the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod extends out of the top end of the target anchor hole, wherein the outer surface of the pressure-bearing support in the length direction of the U-shaped anti-floating anchor rod is of a concave-convex structure; and pouring anti-floating anchor rod grouting bodies into the target anchor holes to enable the U-shaped anti-floating anchor rods to become pressure-bearing type stress anti-floating anchor rods, wherein the pressure-bearing support is fixed in the target anchor holes through the anti-floating anchor rod grouting bodies.
Optionally, the method further includes: arranging a waterproof cushion layer on the top end of the underground soil body at the periphery of the target anchor hole; arranging a blocking end cap at the top end of the target anchor hole, wherein the blocking end cap is in lap joint with the top end of the waterproof cushion layer, and the U-shaped opening end of the U-shaped anti-floating anchor rod penetrates through the blocking end cap; according to design requirements, weaving a reinforced concrete bottom plate on the top of the waterproof cushion layer, and reserving a reserved tensioning space on the upper portion of the reinforced concrete bottom plate in the weaving process; after the steel-concrete bottom plate is poured and maintained for a long enough time, tensioning and locking the U-shaped anti-floating anchor rod; and after the tension of the U-shaped anti-floating anchor rod is stable, a protective cover is covered above the U-shaped opening end of the U-shaped anti-floating anchor rod to complete integral casting.
Optionally, at least one pressure-bearing support is further arranged from the U-shaped bottom end of the U-shaped anti-floating anchor rod to the U-shaped opening end of the U-shaped anti-floating anchor rod.
Optionally, the anti-floating anchor rod is coated with an anti-corrosion material, and a sleeve is wrapped outside the anti-floating anchor rod coated with the anti-corrosion material.
Optionally, the outer surface of the pressure-bearing support in the length direction of the U-shaped anti-floating anchor rod is of a sawtooth structure.
Optionally, the anti-floating anchor rod is made of steel strands.
Optionally, the sleeve is a plastic sleeve.
According to the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and the construction method thereof, the anti-floating anchor rod is a full-length unbonded anchor rod, namely the anti-floating anchor rod and the anti-floating anchor rod grouting body are not in direct contact, and the anti-floating anchor rod grouting body can be firmly anchored in a target anchor hole through the pressure-bearing support, so that the technical effects of uniform stress and anti-corrosion are achieved. Meanwhile, the full-length sleeve protection is realized, and the upper part is prevented from being blocked, so that the anti-floating anchor rod is effectively isolated from the external environment, and the problem that external water, gas and the like corrode the anti-floating anchor rod body through a gap at the top of the anti-floating anchor rod is solved. In addition, this application can realize exerting prestressing force in advance, at the structure construction stage, when the major structure is to resisting superficial requirement the biggest promptly, just can resist the anchor rod and implement the stretch-draw, control underground structure's the deformation that floats to can end precipitation, water economy resource in advance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress provided by an embodiment of the application;
FIG. 2 is a schematic structural diagram of a middle anti-floating anchor rod of a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress provided by an embodiment of the application;
fig. 3 is a construction flow chart of a construction method of the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress provided by the embodiment of the application.
Description of the reference numerals
1-bearing support, 2-anti-floating anchor rod, 3-sleeve, 4-anti-floating anchor rod grouting body, 5-underground soil body, 6-reinforced concrete bottom plate, 7-waterproof cushion layer, 8-blocking end cap, 9-reserved tensioning space and 10-protective cover.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a pressure-bearing type rust-resistant anti-floating anchor rod system with uniform stress, as shown in fig. 1, comprising: the pressure-bearing support 1 and the anti-floating anchor rod 2; the anti-floating anchor rod 2 is wrapped with a sleeve 3; the pressure-bearing support 1 is arranged at a preset depth position in a target anchor hole, wherein the anti-floating anchor rod 2 is bent oppositely through the pressure-bearing support 1 at the preset depth position in the target anchor hole to form a U-shaped anti-floating anchor rod 2; the outer surface of the pressure-bearing support 1 in the length direction of the U-shaped anti-floating anchor rod 2 is of a concave-convex structure; the U-shaped bottom end of the U-shaped anti-floating anchor rod 2 is positioned at the inner lower side of the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod 2 extends out of the top end of the target anchor hole; the pressure-bearing support 1 is anchored in the target anchor hole through an anti-floating anchor rod grouting body 4.
Firstly, the bearing type anti-rust anti-corrosion anchor rod system with uniform stress provided by the embodiment of the application is as shown in fig. 2, a sleeve 3 is wrapped outside an anti-floating anchor rod 2, so that the anti-floating anchor rod 2 forms an integral free section, therefore, when the system is used, the sleeve 3 on the outer surface of the anti-floating anchor rod 2 is in direct contact with an anti-floating anchor rod grouting body 4, the anti-floating anchor rod 2 is not in direct contact with the anti-floating anchor rod grouting body 4, the anti-floating anchor rod 2 is enabled to realize a full-length unbonded anchor rod, and the problem that the anti-floating anchor rod 2 is corroded due to direct contact with the anti-floating anchor rod grouting body 4 is avoided.
Secondly, in order to fix anti-floating anchor 2 stable in anti-floating anchor slip casting 4, this application provides pressure-bearing support 1, and pressure-bearing support 1 is arranged in fixing anti-floating anchor 2 that the parcel has sleeve pipe 3 in anti-floating anchor slip casting 4. When the anchor rod fixing device is used, as shown in fig. 1, the anti-floating anchor rod 2 wrapped by the sleeve 3 is bent oppositely through the pressure bearing support 1 to form the U-shaped anti-floating anchor rod 2, wherein the pressure bearing support 1 is in a concave-convex structure on the outer surface of the U-shaped anti-floating anchor rod 2 in the length direction, so that the pressure bearing support 1 can be firmly anchored in the target anchor hole after the concave-convex structure on the pressure bearing support 1 is contacted and bonded with the anti-floating anchor rod grouting body 4 in the target anchor hole, and then the U-shaped anti-floating anchor rod 2 pressed by the pressure bearing support 1 is firmly anchored in the target anchor hole. In addition, because anti-floating anchor 2 is the U type, consequently, anti-floating anchor 2 leads to long all can warp in sleeve pipe 3 to anti-floating anchor 2 can realize evenly warping on the one hand, and on the other hand can just counter floating anchor 2 and implement the stretch-draw in the structure construction stage, when the major structure is to anti-floating requirement the biggest promptly, controls the deformation that floats on of underground structure, thereby can finish precipitation, water economy resource in advance.
Therefore, compared with the scheme that the anti-floating anchor rod is in direct contact with the anti-floating anchor rod grouting body in the prior art, in the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress provided by the embodiment of the application, the anti-floating anchor rod 2 is a full-length unbonded anchor rod, namely, the anti-floating anchor rod 2 is not in direct contact with the anti-floating anchor rod grouting body 4 in the application, and can be firmly anchored in a target anchor hole through the pressure-bearing support 1, so that the technical effects of uniform stress and rust resistance and corrosion resistance are achieved.
It should be noted that, the force system in the embodiment of the present application is also different from the force system of the anti-floating anchor rod in the prior art, and the force system in the embodiment of the present application is: the anti-floating anchor rod 2 provides tension by means of the pressure-bearing support 1 anchored in the anti-floating anchor rod grouting body 4.
The embodiment of the application does not restrict the material of sleeve 3 to, the material of anti-floating anchor rod 2, for example, sleeve 3 can adopt the plastic sleeve, and anti-floating anchor rod 2 can adopt the steel strand wires. Further, the outer surface of the anti-floating anchor rod 2 may be coated with an anti-corrosive material, such as anti-corrosive ointment, and then the anti-floating anchor rod 2 coated with the anti-corrosive material is externally wrapped with the sleeve 3.
The embodiment of the application also does not limit the structure and the material of the pressure-bearing support 1, wherein, as long as the pressure-bearing support 1 is in after construction the outer surface of the length direction of the U-shaped anti-floating anchor rod 2 is of a concave-convex structure, for example, the concave-convex structure can be a sawtooth structure. In a specific example, the pressure-bearing support 1 is a cylinder, and the outer surface of the side surface of the cylinder is designed into a zigzag structure, wherein the upper bottom and the lower bottom of the cylinder can be excessively connected with the circular arc of the side surface of the cylinder, so that the bent part of the bent U-shaped anti-floating anchor rod 2 can be smoothly bent.
In another specific example, one or more pressure-bearing brackets 1 may be further disposed between the U-shaped bottom end of the U-shaped anti-floating anchor 2 and the U-shaped open end, which is not limited in this application, wherein the pressure-bearing bracket 1 additionally disposed between the U-shaped bottom end of the U-shaped anti-floating anchor 2 and the U-shaped open end may further serve to support the U-shaped anti-floating anchor 2.
In order to further prevent 2 corrosion of anti-floating anchor rod, this application embodiment can also be in the underground soil body 5 with be equipped with waterproof bed course 7 between the reinforced concrete bottom plate 6, the underground soil body 5 top of target anchor eye periphery is reinforced concrete bottom plate 6, target anchor eye top is equipped with separation end cap 8, separation end cap 8 with 7 top overlap joints of waterproof bed course.
The U type open end passes separation end cap 8, stretches into in reinforced concrete bottom plate 6, and separation end cap 8 makes anti-floating anchor 2 form effective isolation with external environment, has solved the problem of the 2 body of rod of anti-floating anchor of 2 top gap corrosion of outside water, gas etc. through anti-floating anchor. Wherein, the blocking end cap 8 can be made of waterproof material.
Further, can also be equipped with on the reinforced concrete bottom plate 6 and reserve tensioning space 9, the U type open end of U type anti-floating anchor 2 is located reserve tensioning space 9 is interior, the U type open end top cover of U type anti-floating anchor 2 is equipped with safety cover 10. The reserved tensioning space 9 provides a space for the anti-floating anchor rod 2 to perform tensioning operation, and after tensioning is completed, the protective cover 10 is covered above the U-shaped opening end, so that the U-shaped anti-floating anchor rod 2 is completely isolated from the outside, wherein the protective cover 10 can be made of steel or other materials, and the application does not limit the space.
In summary, the pressure-bearing type anti-rust and anti-floating anchor rod system with uniform stress provided by the embodiment of the application can be used for a corrosive environment because the whole length is protected by the sleeve and the upper part is prevented from being water and blocked.
Referring to fig. 3, an embodiment of the present application further provides a construction method of a pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress, including the following steps:
step 1, bending an anti-floating anchor rod 2 through a pressure-bearing support 1 to form a U-shaped anti-floating anchor rod 2, wherein a sleeve 3 is wrapped outside the anti-floating anchor rod 2.
And 2, integrally placing the U-shaped anti-floating anchor rod 2 and the pressure-bearing support 1 at a preset depth position in a target anchor hole, so that the U-shaped bottom end of the U-shaped anti-floating anchor rod 2 is positioned at the lower side in the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod 2 extends out of the top end of the target anchor hole, wherein the outer surface of the pressure-bearing support 1 in the length direction of the U-shaped anti-floating anchor rod 2 is of a concave-convex structure.
And 3, pouring an anti-floating anchor rod grouting body 4 into the target anchor hole to enable the U-shaped anti-floating anchor rod 2 to become a pressure-bearing type stress anti-floating anchor rod, wherein the pressure-bearing support 1 is fixed in the target anchor hole through the anti-floating anchor rod grouting body 4.
For the characteristics of the structure, the material and the like of the anti-floating anchor rod 2 and the pressure-bearing support 1, reference may be made to the description in the above embodiment of the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress, and details are not repeated here.
If the waterproof barrier is arranged above the anti-floating anchor rod system, the method can further comprise the following steps:
and 4, arranging a waterproof cushion 7 on the top end of the underground soil body 5 at the periphery of the target anchor hole.
And 5, arranging a blocking end cap 8 at the top end of the target anchor hole, wherein the blocking end cap 8 is in lap joint with the top end of the waterproof cushion layer 7, and the U-shaped opening end of the U-shaped anti-floating anchor rod 2 penetrates through the blocking end cap 8.
And 6, weaving a reinforced concrete bottom plate 6 on the waterproof cushion layer 7 according to design requirements, and reserving a reserved tensioning space 9 at the upper part of the reinforced concrete bottom plate 6 in the weaving process.
And 7, after the steel-concrete bottom plate 6 is poured and maintained for a long enough time, tensioning and locking the U-shaped anti-floating anchor rod 2.
And 8, after the tension of the U-shaped anti-floating anchor rod 2 is stable, covering a protective cover 10 above the U-shaped opening end of the U-shaped anti-floating anchor rod 2 to complete integral casting.
It should be noted that, in the above step 7, the construction may be performed at the structural construction stage, that is, when the main structure has the maximum requirement for anti-floating, the anti-floating anchor rod 2 is tensioned at the structural construction stage, and the upward floating deformation of the underground structure is controlled, so that the precipitation can be finished in advance, and water resources are saved.
In a specific example, the embodiment of the application further provides a construction method of the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress, which comprises the following steps:
the steel strand is coated with anticorrosive ointment in the full-length range according to the latest specification requirement, the periphery of the steel strand is wrapped with a plastic sleeve to form a full-length unbonded anchor rod, the steel strand is fixed in a bending mode through a pressure-bearing support (the pressure-bearing support can be one group or multiple groups from top to bottom), the whole steel strand is placed to the bottom of a target anchor hole after drilling is completed, grouting is completed, and the anti-floating anchor rod (namely the steel strand) becomes a pressure-bearing type stressed anchor rod.
After the anti-floating anchor rod construction is completed and the top waterproof cushion layer construction is completed, the top of the waterproof cushion layer is provided with the separation end cap, wherein the two holes are reserved in the separation end cap so that the steel strand can smoothly pass through the separation end cap.
Weaving the reinforced concrete bottom plate according to design requirements, reserving a space enough for stretching the steel strands at the upper part of the reinforced concrete bottom plate in the weaving process, and reserving a stretching space.
After the steel-concrete bottom plate is poured and maintained for a long enough time, the anti-floating anchor rod is tensioned and locked, and in the step, the main structure has the largest anti-floating requirement at the construction stage of the underground structure.
And after the anti-floating anchor rod is locked, observing for 1-2 days, covering a protective cover above the anti-floating anchor rod after the tension is stable and no loss exists, and if the tension section is reserved for too long, cutting off the tension section, and then finishing integral casting.
The same and similar parts among all embodiments in the specification can be referred to, and especially the part of the embodiment corresponding to the construction method can be referred to the part of the pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress.
Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. The utility model provides a pressure-bearing type rust-resistant anti-floating anchor rod system that atress is even which characterized in that includes: the device comprises a pressure bearing support (1) and an anti-floating anchor rod (2);
the anti-floating anchor rod (2) is wrapped with a sleeve (3);
the pressure-bearing support (1) is arranged at a preset depth position in a target anchor hole, wherein the anti-floating anchor rod (2) is bent oppositely through the pressure-bearing support (1) at the preset depth position in the target anchor hole to form a U-shaped anti-floating anchor rod (2);
the outer surface of the pressure-bearing support (1) in the length direction of the U-shaped anti-floating anchor rod (2) is of a concave-convex structure;
the U-shaped bottom end of the U-shaped anti-floating anchor rod (2) is positioned at the inner lower side of the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod (2) extends out of the top end of the target anchor hole;
the pressure-bearing support (1) is anchored in the target anchor hole through an anti-floating anchor rod grouting body (4).
2. The uniformly-stressed pressure-bearing type anti-corrosion and anti-floating anchor rod system according to claim 1, wherein at least one pressure-bearing bracket (1) is further arranged from the U-shaped bottom end to the U-shaped open end of the U-shaped anti-floating anchor rod (2).
3. The uniformly stressed pressure-bearing type anti-corrosion and anti-floating anchor rod system according to claim 1, wherein the anti-floating anchor rod (2) is coated with an anti-corrosion material, and the anti-floating anchor rod (2) coated with the anti-corrosion material is wrapped with a sleeve (3).
4. The uniformly-stressed pressure-bearing type anti-corrosion anti-floating anchor rod system according to claim 1, wherein a reinforced concrete bottom plate (6) is arranged above an underground soil body (5) at the periphery of the target anchor hole, a waterproof cushion layer (7) is arranged between the underground soil body (5) and the reinforced concrete bottom plate (6), a blocking end cap (8) is arranged at the top end of the target anchor hole, and the blocking end cap (8) is overlapped with the top end of the waterproof cushion layer (7).
5. The uniformly-stressed pressure-bearing type anti-corrosion and anti-floating anchor rod system according to claim 4, wherein a reserved tensioning space (9) is arranged on the reinforced concrete bottom plate (6), the U-shaped open end of the U-shaped anti-floating anchor rod (2) is positioned in the reserved tensioning space (9), and a protective cover (10) is covered above the U-shaped open end of the U-shaped anti-floating anchor rod (2).
6. The pressure-bearing type anti-corrosion and anti-floating anchor rod system with uniform stress according to claim 1, wherein the outer surface of the pressure-bearing bracket (1) in the length direction of the U-shaped anti-floating anchor rod (2) is of a sawtooth structure.
7. The uniformly stressed pressure-bearing type anti-corrosion anti-floating anchor rod system according to claim 1, wherein the anti-floating anchor rod (2) is made of steel stranded wires.
8. The uniformly stressed pressure-bearing type rust and corrosion resistant floating anchor rod system according to claim 1, wherein the sleeve (3) is a plastic sleeve.
9. A construction method of a pressure-bearing type anti-rust and anti-floating anchor rod system with uniform stress is characterized by comprising the following steps:
bending an anti-floating anchor rod (2) through a pressure-bearing support (1) to form a U-shaped anti-floating anchor rod (2), wherein a sleeve (3) is wrapped outside the anti-floating anchor rod (2);
integrally placing the U-shaped anti-floating anchor rod (2) and the pressure-bearing support (1) at a preset depth position in a target anchor hole, so that the U-shaped bottom end of the U-shaped anti-floating anchor rod (2) is positioned at the lower side in the target anchor hole, and the U-shaped opening end of the U-shaped anti-floating anchor rod (2) extends out of the top end of the target anchor hole, wherein the outer surface of the pressure-bearing support (1) in the length direction of the U-shaped anti-floating anchor rod (2) is of a concave-convex structure;
and pouring anti-floating anchor rod grouting bodies (4) into the target anchor holes to enable the U-shaped anti-floating anchor rods (2) to become pressure-bearing type stress anti-floating anchor rods, wherein the pressure-bearing support (1) is fixed in the target anchor holes through the anti-floating anchor rod grouting bodies (4).
10. The method of claim 9, further comprising:
arranging a waterproof cushion layer (7) on the top end of the underground soil body (5) at the periphery of the target anchor hole;
arranging a blocking end cap (8) at the top end of the target anchor hole, wherein the blocking end cap (8) is overlapped with the top end of the waterproof cushion layer (7), and the U-shaped open end of the U-shaped anti-floating anchor rod (2) penetrates through the blocking end cap (8);
according to design requirements, weaving a reinforced concrete bottom plate (6) on the top of the waterproof cushion layer (7), and reserving a reserved tensioning space (9) at the upper part of the reinforced concrete bottom plate (6) in the weaving process;
after the steel-concrete bottom plate (6) is poured and maintained for a long enough time, the U-shaped anti-floating anchor rod (2) is tensioned and locked;
and after the tension of the U-shaped anti-floating anchor rod (2) is stable, a protective cover (10) is covered above the U-shaped open end of the U-shaped anti-floating anchor rod (2) to finish integral casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056399.5A CN112663608A (en) | 2021-01-15 | 2021-01-15 | Pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056399.5A CN112663608A (en) | 2021-01-15 | 2021-01-15 | Pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112663608A true CN112663608A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110056399.5A Pending CN112663608A (en) | 2021-01-15 | 2021-01-15 | Pressure-bearing type anti-corrosion anti-floating anchor rod system with uniform stress and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112663608A (en) |
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2021
- 2021-01-15 CN CN202110056399.5A patent/CN112663608A/en active Pending
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