CN114960644A - Novel base construction device for prestressed anti-floating anchor cable - Google Patents

Novel base construction device for prestressed anti-floating anchor cable Download PDF

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Publication number
CN114960644A
CN114960644A CN202210670938.9A CN202210670938A CN114960644A CN 114960644 A CN114960644 A CN 114960644A CN 202210670938 A CN202210670938 A CN 202210670938A CN 114960644 A CN114960644 A CN 114960644A
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China
Prior art keywords
anchor cable
plate
steel column
square
hanging
Prior art date
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Pending
Application number
CN202210670938.9A
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Chinese (zh)
Inventor
唐立群
徐世红
周常青
杨云风
彭绍洋
李建勋
蒋波
林小斌
蒲慧
李远志
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Hunan Construction Engineering Seventh Engineering Co ltd
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Hunan Construction Engineering Seventh Engineering Co ltd
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Priority to CN202210670938.9A priority Critical patent/CN114960644A/en
Publication of CN114960644A publication Critical patent/CN114960644A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/10Protective 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
    • E02D31/12Protective 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention provides a novel base construction device for a prestressed anti-floating anchor cable, which comprises a foundation layer surface contact bottom plate, a hanging rib placing plate, a pressing plate contact panel, hanging rib strips, a square tube steel column and anchor cable penetrating holes. The square pipe steel column longitudinally penetrates through the interior of the hanging rib placing plate and is welded with the interior of the hanging rib placing plate; the hanging bar strips are respectively welded at the two sides of the lower part of the hanging bar placing plate; the foundation layer contact bottom plate is welded at the lower end of the square tube steel column; and the pressing plate contact panel is welded at the upper end of the square pipe steel column. When the anchor cable is tensioned, the anchor cable passes through the central hole of the base, the foundation layer surface contacts the bottom plate, the hanging rib placing plate and the pressing plate contact the protection of three steel plates of the panel and the square pipe steel column, if tensioning damage occurs, the foundation member is not damaged, tensioning personnel are not injured by impact, and the tensioning rigidity of the base is increased; the anchor cable base is reasonable in construction structure (waterproof), simple to manufacture, convenient to construct, capable of shortening the construction period and better guaranteeing the tensioning quality and safety.

Description

Novel base construction device for prestressed anti-floating anchor cable
Technical Field
The invention belongs to the technical field of prestressed anchor cable base devices, and particularly relates to a prestressed anchor cable base device.
Background
The prestressed anchor cable is a cable-shaped support for anchoring the anchor cable in the rock body by adopting a prestressed method and is used for reinforcing the side slope. The anchor cable is anchored into the rock body through the hole of the weak structural plane of the rock body by the anchor head, and the sliding body is connected with the stable rock layer, so that the stress state of the slope rock body is changed, and the integrity and the strength of the unstable rock body of the slope are improved. When the prestressed anchor cable is constructed, a special tensioning device and a special machine tool are needed.
Foundations are foundations of house buildings, and one of the foundations is a soft foundation, which is mainly characterized in that the foundation does not have enough bearing capacity to ensure the stability of the house buildings. Therefore, certain measures must be taken to deal with the building construction to ensure the smooth development and stability of the building construction. At present, in the construction of a reinforced concrete extended foundation bearing platform of a project sub-project of a foundation and a foundation of a building construction project, the design of the prestressed anti-floating anchor rod is adopted.
In addition, chinese patent publication is CN211819461U, and this patent name is a strut anchor rope base, including fixed plate, regulating plate, sleeve pipe and clamping pad, the welding of a fixed plate lateral wall middle part has the sleeve pipe, sleeve pipe top and below all are provided with the regulating plate, the shaping of regulating plate middle part has the screw, be provided with adjusting screw in the screw, on the fixed plate with the shaping of adjusting screw junction has the mounting groove, keep away from on the regulating plate the shaping of screw both sides has the guiding hole, be provided with the guide post in the guiding hole.
However, in the construction process of the anti-floating anchor cable for the basement, according to design requirements, when the hanging ribs are placed at the lower part of the traditional anchor, the hanging ribs and the bottom plate steel bars are seriously deformed when stress is applied because the pressed areas of the hanging ribs are too small; four steel bars of the traditional anchorage device are welded to be used as vertical stress components, so that the quality and stability requirements are not easy to guarantee, the whole anchorage device is extremely easy to lose stability, the structure is extremely unsafe, and potential safety hazards exist in construction; is not conducive to water resistance. In order to optimize the traditional anchorage device, ensure the construction quality and safety and accelerate the foundation construction progress, the discussion research proves that the novel base construction device of the prestressed anti-floating anchor cable is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a prestressed anchor cable base device, which can pre-stress bedrock by utilizing a steel plate (pressure-bearing part) with larger area at the lower part of an anchor cable base.
A prestressed anchor cable base device comprises a base layer contact bottom plate, a hanging rib placing plate, a pressing plate contact panel, hanging rib strips, a square tube steel column and anchor cable penetrating holes;
the square pipe steel column longitudinally penetrates through the interior of the hanging reinforcement placing plate, and the square pipe steel column and the hanging reinforcement placing plate are welded with each other;
the hanging bar is welded at the two sides of the lower part of the hanging bar placing plate;
the foundation layer contact bottom plate is welded at the lower end of the square tube steel column;
the pressing plate contact panel is welded at the upper end of the square pipe steel column;
the anchor cable penetrating hole is formed in the middle of the pressing plate contact panel and the base layer surface contact bottom plate and communicated with the inside of the square pipe steel column.
Preferably, the middle position of the hanging rib placing plate is provided with a square through hole.
Preferably, the aperture size of the square through hole is larger than the size of the square steel column.
Preferably, the outer surfaces of the foundation layer surface contact bottom plate, the hanging rib placing plate and the pressing plate contact panel are all glued with water swelling water stopping adhesive tapes.
Preferably, the foundation layer surface contact bottom plate, the lifting rib placing plate and the pressing plate contact panel jointly form a steel plate main body structure of the prestressed anchor cable base.
Preferably, the contact bottom plate of the foundation layer and the lower part of the square tube steel column form a pressure-bearing part of a contact surface with the foundation pressing plate.
Preferably, the pressure plate contact panel and the upper part of the square pipe steel column form a pressure bearing part of a contact surface with the foundation pressure plate.
Preferably, the square tube steel column is of a hollow structure.
Compared with the prior art, the invention has the beneficial effects that:
a steel plate body construction comprising: the anchor cable fixing device comprises a foundation layer surface contact bottom plate, a hanging rib placing plate and three steel plates of a pressing plate contact panel, wherein two circular holes and a square hole are formed in a steel plate main body structure, so that an anchor cable can conveniently penetrate through a base;
the square tube steel column is of a hollow square column structure and forms a stress structure together with three steel plates.
According to the technical scheme, when the anchor cable is tensioned, the anchor cable penetrates through the central hole of the base, the foundation layer surface contacts the bottom plate, the hanging rib placing plate and the pressing plate contact the protection of three steel plates of the panel and the square pipe steel column, if tensioning damage occurs, the anchor cable cannot be broken to injure tensioning personnel, and the tensioning rigidity of the base is increased. Compared with the traditional prestressed anti-floating anchorage, the anchor cable base has the advantages of reasonable construction structure (waterproof), convenience, shortened construction period and better guarantee of tensioning quality and safety.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a schematic structural diagram of the three-dimensional effect of the present invention.
Fig. 3 is a schematic longitudinal sectional view of the present invention.
In the figure:
1. the foundation layer contacts the bottom plate; 2. a hanging reinforcement placing plate; 3. the pressing plate contacts the panel; 4. hanging ribs; 5. square tube steel column; 6. the anchor cable is threaded into the hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in the attached drawings 1 to 3, the invention provides a prestressed anchor cable base device, which comprises a base layer surface contact bottom plate 1, a hanging rib placing plate 2, a pressing plate contact panel 3, hanging rib strips 4, square pipe steel columns 5 and anchor cable penetrating holes 6,
the square pipe steel column 5 longitudinally penetrates through the interior of the hanging reinforcement placing plate 2 and is welded with the interior of the hanging reinforcement placing plate; the hanging rib strips 4 are respectively welded at the two sides of the lower part of the hanging rib placing plate 2; the foundation layer contact bottom plate 1 is welded at the lower end of the square tube steel column 5; the pressing plate contact panel 3 is welded at the upper end of the square pipe steel column 5; the anchor cable penetrating holes 6 are respectively formed in the middle positions of the pressure plate contact panel 3 and the foundation layer contact bottom plate 1 and communicated with the interior of the square pipe steel column 5; the cable bolt penetration holes 6 facilitate the penetration of the cable bolts.
In the above embodiment, specifically, the middle position of the hanging bar placing plate 2 is provided with a square through hole.
In the above embodiment, specifically, the square through hole may be capable of receiving the square tubular steel column 5 to be inserted.
In the above embodiment, it is specific, the outer surface of foundation bed face contact bottom plate 1, board 2 and clamp plate contact panel 3 are laid to the hanging muscle all is glued and is had chance water inflation stagnant water adhesive tape.
In the above embodiment, specifically, the foundation layer surface contacts the bottom plate 1, the suspension rib placing plate 2 and the pressing plate contact panel 3 together form a steel plate main body structure of the prestressed anchor cable base; the stress area of the contact surface is increased, so that the anchor cable can conveniently penetrate through the whole device, and the foundation layer surface is utilized to contact the bottom plate 1, the hanging rib placing plate 2 and the pressing plate contact panel 3 to pre-stress the bedrock (soil body).
In the above embodiment, specifically, the square tubular steel column 5 has a hollow square column structure. The square tube steel column 5 is made of carbon steel or alloy steel.
In the above embodiment, specifically, the base layer surface contact bottom plate 1, the hanging bar placing plate 2 and the pressing plate contact panel 3 are made of stainless steel plates with a thickness of 20 mm.
In the above embodiment, specifically, the base layer surface contact bottom plate 1, the hanging bar placing plate 2 and the pressing plate contact panel 3 are arranged in a square shape.
Example 2:
in the embodiment of the invention, the steel plate hanging rib placing plate 2 and the pressing plate contact panel 3 are two small-area steel plate foundation layer surface contact bottom plates 1 which are steel plates with larger areas, and the steel plate hanging rib placing plate 2, the pressing plate contact panel 3 and the foundation layer surface contact bottom plate 1 are welded together with a square pipe steel column 5 to form a prestressed anchor cable base device with safe, stable, convenient and reasonable structure; the diameter of the anchor cable penetrating hole 6 is 58 mm; the square pipe steel column 5 is arranged in a size of 100 multiplied by 10 mm; the hanging bar placing plate 2 and the pressing plate contact panel 3 are arranged in a size of 200 multiplied by 20 mm; the base level contact shoe 1 is arranged 300 x 20 mm.
In the above embodiment, specifically, in the embodiment of the present invention, the device applies a pressure plate to the hanging bar placing plate 2, the pressure plate contacts the face plate 3, and the force is transferred to the foundation layer face contact bottom plate 1 through the square pipe steel column 5, and finally the prestress is applied to the foundation.
In the above embodiment, specifically, the steel plate main body structure hanging bar placing plate 2, the pressing plate contact panel 3, and the foundation layer contact bottom plate 1 are in a geometric structure.
In the above embodiment, it is more specifically stated that the geometric structure is a square structure, the stress is more reasonable, and the specific area and thickness of the geometric structure are determined by calculation according to the magnitude of the prestress applied to the device.
In the above embodiment, specifically, the square tube steel column 5 of the main body structure of the device is made by cutting a square steel tube.
In the above embodiment, specifically, in the embodiment of the present invention, the square tube steel column 5, the hanging bar placing plate 2, the pressing plate contact panel 3, and the foundation layer contact bottom plate 1 are welded to form a prestressed anchor cable base device with a safe, stable, convenient, and reasonable structure.
In the above embodiment, specifically, the square tube steel column 5 of the device is placed on the plate 2 through the lifting rib, the pressing plate contacts the panel 3, and the middle welding mode forms the stress member to place the lifting rib 4 and enhance the rigidity of the square tube steel column 5.
In the above embodiment, more specifically, the geometric structure of the square tube steel column 5 is a square structure, and the stress is more reasonable, and the specific size and thickness of the square tube steel of the geometric structure are determined by calculation according to the magnitude of the prestress applied to the device.
The prestressed anchor cable base device is safe, stable, convenient and reasonable in structure, and is characterized in that the waterproof mechanism is provided with a water-swelling water-stopping adhesive tape, the water-swelling water-stopping adhesive tape is positioned on the contact surface of the lower large steel plate and the ground surface layer, and the water-swelling water-stopping adhesive tape is positioned on the contact surface of the upper small steel plate and the pressing plate, so that the device has a waterproof function.
From the above, the embodiment of the invention relates to a prestressed anchor cable base device, wherein the anchor cable can conveniently penetrate through the whole device by utilizing the hanging bar placing plate 2, the pressing plate contacting the panel 3 and the upper base layer contacting the panel 1 to open a hole and increase the stress area of the contact surface through the hanging bar placing plate 2, the pressing plate contacting the panel 3 and the upper base layer contacting the panel 1 to pre-stress the bedrock (soil body). Hang the muscle and lay board 2, clamp plate contact panel 3, well satisfied the design requirement hang placing of muscle and increasing the rectification of device and change, square pipe steel column 5 guarantees the safety and the quality of stretch-draw, avoids the tensioning in-process, the incident that the anchor rope fracture causes. The prestressed anchor cable base device is safe, stable, convenient and reasonable in structure, and is convenient to use, so that the construction quality and safety are guaranteed, and the construction period is shortened.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (8)

1. A novel foundation construction device of a prestressed anti-floating anchor cable is characterized by comprising a foundation layer contact bottom plate (1), a hanging rib placing plate (2), a pressing plate contact panel (3), hanging ribs (4), a square pipe steel column (5) and anchor cable penetrating holes (6);
the square pipe steel column (5) longitudinally penetrates through the interior of the hanging reinforcement placing plate (2), and the square pipe steel column (5) and the hanging reinforcement placing plate (2) are welded with each other;
the hanging rib strips (4) are welded at the two sides of the lower part of the hanging rib placing plate (2);
the foundation layer contact bottom plate (1) is welded at the lower end of the square tube steel column (5);
the pressing plate contact panel (3) is welded at the upper end of the square pipe steel column (5);
the anchor cable penetrating hole (6) is formed in the middle of the pressing plate contact panel (3) and the foundation layer contact bottom plate (1), and the anchor cable penetrating hole (6) is communicated with the inside of the square pipe steel column (5).
2. The prestressed anchor cable base assembly as claimed in claim 1, wherein said reinforcing bar-mounting plate (2) has a square through hole formed at a central position thereof.
3. The prestressed anchor cable base assembly as claimed in claim 2, wherein the size of the aperture of said square through hole is larger than the size of said square tubular steel column (5).
4. The prestressed anchor cable base structure as claimed in claim 1, wherein the outer surfaces of said foundation layer contact base plate (1), said hanger receiving plate (2) and said pressing plate contact panel (3) are glued with water-swelling sealing glue strips.
5. The prestressed anchorage cable base assembly according to claim 1, wherein the foundation layer contact bottom plate (1), the hanger receiving plate (2) and the pressing plate contact panel (3) together form a steel plate body structure of the prestressed anchorage cable base.
6. The prestressed anchor cable base structure as claimed in claim 1, wherein the foundation layer contact base plate (1) and the lower portions of the square tubular steel columns (5) form bearing portions of a contact surface with a foundation slab.
7. The prestressed anchor cable base structure according to claim 1, wherein the upper portions of the clamp contact panel (3) and the square pipe steel column (5) form a bearing portion of a contact surface with a foundation clamp.
8. The prestressed anchor cable base device as claimed in claim 1, wherein said square tubular steel column (5) is a hollow square tubular column.
CN202210670938.9A 2022-06-10 2022-06-10 Novel base construction device for prestressed anti-floating anchor cable Pending CN114960644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210670938.9A CN114960644A (en) 2022-06-10 2022-06-10 Novel base construction device for prestressed anti-floating anchor cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210670938.9A CN114960644A (en) 2022-06-10 2022-06-10 Novel base construction device for prestressed anti-floating anchor cable

Publications (1)

Publication Number Publication Date
CN114960644A true CN114960644A (en) 2022-08-30

Family

ID=82962118

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210670938.9A Pending CN114960644A (en) 2022-06-10 2022-06-10 Novel base construction device for prestressed anti-floating anchor cable

Country Status (1)

Country Link
CN (1) CN114960644A (en)

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