CN219840426U - Connecting device for newly-added inhaul cable and surrounding concrete beams of existing building - Google Patents
Connecting device for newly-added inhaul cable and surrounding concrete beams of existing building Download PDFInfo
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- CN219840426U CN219840426U CN202320966447.9U CN202320966447U CN219840426U CN 219840426 U CN219840426 U CN 219840426U CN 202320966447 U CN202320966447 U CN 202320966447U CN 219840426 U CN219840426 U CN 219840426U
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- concrete beam
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- added
- existing building
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- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000002093 peripheral effect Effects 0.000 claims abstract description 23
- 238000012946 outsourcing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Abstract
The utility model discloses a connecting device of a newly-added stay cable and a peripheral concrete beam of an existing building, which comprises an outer wrapping steel hooped on the peripheral concrete beam, wherein an ear plate is vertically arranged in the middle of the side wall of the outer wrapping steel, and the lower end of the ear plate is provided with a through hole for connecting the newly-added stay cable; the outer steel is connected with the peripheral concrete beam through an anchor bolt. According to the connecting device for the newly-added stay rope and the peripheral steel concrete beam of the existing building, which is provided by the utility model, the connecting device for the newly-added stay rope is built on the original peripheral concrete beam only by wrapping steel through the anchor ear, so that the connecting device is convenient to operate, the original concrete beam is not damaged, and the bearing capacity of the concrete beam is enhanced through wrapping steel.
Description
Technical Field
The utility model relates to the technical field of existing cable nets, in particular to a connecting device for an existing building newly-added inhaul cable and a peripheral concrete beam.
Background
The cable net is a curved surface structure with negative Gaussian curvature formed by directly overlapping 2 groups of cables with mutually orthogonal and opposite curvatures. The cable of the cable net generally adopts a steel strand consisting of high-strength steel wires, and resists the action of external load through the axial force of the cable, so that the dead weight of the cable can be greatly reduced when the cable adopts a high-strength material. The cable net structure is an important form of a tension structure, has reasonable stress and rich change in shape, has high stress efficiency, can obviously reduce steel consumption, is easy to realize the development aim of green buildings, is a common structural system in the field of building structures, and is widely applied to large-span space structures.
With the development of town, the existing building often has the problems that the original component has insufficient bearing capacity and a new inhaul cable is needed when the building is renovated, lifted and reformed because of the adjustment or optimization of building functions. The forming of the cable net structure depends on the surrounding environment of the cable net, so that the shape boundary is provided, and the key point of the initial prestress establishment of the cable net is also provided. How to establish effective connection with the original peripheral concrete beam by the newly added inhaul cable mainly has three problems: 1) The damage to the original reinforced concrete beam is reduced as much as possible; 2) The effective rigidity is provided to ensure that the new cable does not shrink and creep after initial tensioning, and the phenomenon of prestress relaxation is avoided; 3) The construction is simple and easy to operate, and the existing inhaul cables around cannot be influenced.
Disclosure of Invention
The utility model aims to provide a connecting device for newly-added inhaul cables and peripheral concrete beams of the existing building without damaging the original periphery
The reinforced concrete ring beam and the existing cable net can be fixed at the joint of the nodes after the new cable is stretched, and a reliable boundary condition is provided for the new cable to play a role.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The connecting device of the newly-added inhaul cable and the peripheral concrete beam of the existing building comprises an outer wrapping steel which is hooped on the peripheral concrete beam, wherein an ear plate is vertically arranged in the middle of the side wall of the outer wrapping steel, and the lower end of the ear plate is provided with a through hole for connecting the newly-added inhaul cable; the outer steel is connected with the peripheral concrete beam through an anchor bolt.
Further optimizing the technical scheme, the otic placode is narrow in the upper portion and wide in the lower portion's structure.
Further optimizing technical scheme, be provided with the steel sheet area of rectangle on the lateral wall of outsourcing steel, transversely be provided with the stiffening plate between the left and right sides of otic placode and the steel sheet area respectively.
Further optimizing technical scheme, the stiffening plate includes the trapezoidal stiffening plate that sets up the upper end and sets up the rectangle stiffening plate at the lower extreme.
Further optimizing the technical scheme, trapezoidal stiffening plate and rectangle stiffening plate are all not surpassed the otic placode.
By adopting the technical scheme, the utility model has the following technical progress.
According to the connecting device for the newly-added stay cable and the peripheral concrete beam of the existing building, which is provided by the utility model, the connecting device for the newly-added stay cable is built on the original peripheral concrete beam only by wrapping steel through the anchor ear, so that the connecting device is convenient to operate, the original concrete beam is not damaged, and the bearing capacity of the concrete beam is enhanced by wrapping steel.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the installation of the present utility model;
fig. 3 is a right side view of the present utility model.
Wherein: 1. the concrete beam comprises a peripheral concrete beam, steel which is covered outside, anchor bolts, steel plate belts, ear plates, trapezoid stiffening plates, rectangular stiffening plates, perforations and perforated stiffening plates, wherein the steel plate belts, the ear plates, the trapezoid stiffening plates, the rectangular stiffening plates, the perforated stiffening plates and the perforated stiffening plates are arranged on the periphery of the peripheral concrete beam.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The connecting device for the newly-added inhaul cable and the peripheral concrete beam of the existing building is shown in combination with fig. 1 to 3, and comprises an outer wrapping steel 2 and an ear plate 5, wherein the ear plate 5 is arranged on the side wall of the outer wrapping steel 2.
The steel 2 is hooped on the peripheral concrete beam 1, and the steel 2 is connected with the peripheral concrete beam 1 through the anchor bolts 3 to strengthen the stability of connection.
The lug plate 5 is vertically arranged in the middle of the side wall of the outer wrapping steel 2, and a through hole 8 is formed in the lower end of the lug plate 5 and used for connecting a newly-added inhaul cable through a pin shaft.
Be provided with steel sheet area 4 on the lateral wall of outsourcing steel 2, steel sheet area 4 is the rectangle steel sheet area, and the size the same with outsourcing steel 2 side terminal surface, transversely is provided with the stiffening plate respectively between the left and right sides of otic placode 5 and the steel sheet area 4 for increase the joint strength of otic placode.
The stiffening plate is including setting up trapezoidal stiffening plate 6 at the upper end and setting up the rectangle stiffening plate 7 at the lower extreme, and trapezoidal stiffening plate 6 and rectangle stiffening plate 7 all do not surpass otic placode 5, and the length of trapezoidal stiffening plate and rectangle stiffening plate all is less than the width of otic placode 5 promptly, and the length of trapezoidal stiffening plate is greater than the length of rectangle stiffening plate moreover to otic placode 5 is the structure of upper and lower width, in order to strengthen the steadiness of otic placode this.
The ear plates 5 positioned on two sides of the perforation 8 are provided with perforation stiffening plates 9 which are used for increasing the cross section area of the perforation, increasing the contact area between the pin shaft and the perforation and improving the connection strength.
The utility model relates to a method for connecting a newly-added inhaul cable and a peripheral concrete beam, which comprises the following steps:
1) Determining the width and thickness of the steel-encased and steel plate bands of the concrete beams around the hoops according to the construction space of the existing building and the tension of the newly-added inhaul cable;
2) Processing the outer wrapping steel, so that the outer wrapping steel wraps the peripheral concrete beams, and driving anchor bolts at certain intervals;
3) Determining the thickness of the ear plate and the diameter of the perforation according to the diameter and the stretching force of the newly-added inhaul cable;
4) Processing the ear plate, the trapezoid stiffening plate, the rectangular stiffening plate and the perforated stiffening plate, and welding the ear plate, the stiffening plate and the steel plate strip into a whole;
5) Welding the welded ear plates to the side wall of the steel wrapping of the concrete beam around the hoop;
6) The newly added inhaul cable is penetrated into the perforation on the lug plate through the pin shaft, and then prestress tensioning is applied to connect.
Claims (5)
1. Connecting device of newly-added cable of existing building and peripheral concrete beam, its characterized in that: the concrete beam comprises an outer wrapping steel (2) which is hooped on a peripheral concrete beam (1), wherein an ear plate (5) is vertically arranged in the middle of the side wall of the outer wrapping steel (2), and a through hole (8) for connecting a newly-added stay cable is formed in the lower end of the ear plate (5); the outsourcing steel (2) is connected with the peripheral concrete beam (1) through an anchor bolt (3).
2. The connection device for the existing building newly-added stay cable and the surrounding concrete beam according to claim 1, wherein: the ear plate (5) has a structure with a narrow upper part and a wide lower part.
3. The connection device for the existing building newly-added stay cable and the surrounding concrete beam according to claim 1, wherein: rectangular steel plate strips (4) are arranged on the side walls of the outer wrapping steel (2), and stiffening plates are respectively and transversely arranged between the left side and the right side of the lug plates (5) and the steel plate strips (4).
4. The connection device for the existing building newly-added stay cable and the surrounding concrete beam according to claim 3, wherein: the stiffening plate comprises a trapezoid stiffening plate (6) arranged at the upper end and a rectangular stiffening plate (7) arranged at the lower end.
5. The connection device for the existing building newly-added stay cable and the surrounding concrete beams according to claim 4, wherein: the trapezoid stiffening plates (6) and the rectangular stiffening plates (7) do not exceed the lug plates (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966447.9U CN219840426U (en) | 2023-04-26 | 2023-04-26 | Connecting device for newly-added inhaul cable and surrounding concrete beams of existing building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966447.9U CN219840426U (en) | 2023-04-26 | 2023-04-26 | Connecting device for newly-added inhaul cable and surrounding concrete beams of existing building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840426U true CN219840426U (en) | 2023-10-17 |
Family
ID=88305610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320966447.9U Active CN219840426U (en) | 2023-04-26 | 2023-04-26 | Connecting device for newly-added inhaul cable and surrounding concrete beams of existing building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840426U (en) |
-
2023
- 2023-04-26 CN CN202320966447.9U patent/CN219840426U/en active Active
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