CN215759798U - Tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system - Google Patents
Tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system Download PDFInfo
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- CN215759798U CN215759798U CN202122290242.7U CN202122290242U CN215759798U CN 215759798 U CN215759798 U CN 215759798U CN 202122290242 U CN202122290242 U CN 202122290242U CN 215759798 U CN215759798 U CN 215759798U
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Abstract
The utility model discloses a tensile opposite-pulling system of a steel plate concrete combined wall without pressure transmission, which comprises: the steel pull rods are arranged in the concrete in rows and columns, and two ends of the steel pull rods are fixedly penetrated on two oppositely arranged steel panels; and a plurality of steel sleeves are sleeved on the corresponding steel pull rods respectively, and polytetrafluoroethylene materials are filled between the steel sleeves and the steel pull rods. The opposite-pulling system can completely transmit the pulling force between the steel panels on the two sides of the steel plate concrete composite wall, and effectively release the pressure between the steel panels on the two sides, thereby greatly reducing the damage of external impact load to the steel panels.
Description
Technical Field
The utility model relates to the technical field of steel plate concrete composite wall structures of nuclear power stations, in particular to a tensile opposite-pulling system of a steel plate concrete composite wall without pressure transmission.
Background
In the structural design and construction process of the steel plate concrete composite wall of the nuclear power station, a steel plate concrete composite wall opposite-pulling system is an important component for ensuring the combination stress of a steel panel and core concrete. The opposite-pulling system generally adopts a truss structure composed of opposite-pulling reinforcing steel bars or stiffening ribs, profile steels, opposite-pulling steel slabs and the like. Because a general counter-pulling system is subjected to double restraint of steel panels on two sides and inner core concrete, tensile force and pressure can be transmitted between the steel panels, and when one side of a steel plate concrete composite wall of a nuclear power station is subjected to a flying impact load, the stress state of the counter-pulling system needs to be tensile and pressure-transmitting in order to resist damage, but the conventional counter-pulling system cannot meet the stress requirement of tensile and pressure-transmitting under the flying impact load, so that the steel panels on two sides are often damaged, and the service life of the steel panels is shortened.
Therefore, how to provide a steel plate concrete composite wall that can normally bear under the shock load that flies to penetrate, guarantee that both sides steel decking are not impaired, the extension does not transmit the steel plate concrete composite wall of pressure of tensile of extension steel decking's life is the problem that technical staff in the field need to solve urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a tension-resistant and pressure-transfer-free steel plate concrete composite wall opposite-pulling system for a nuclear power station steel plate concrete composite wall, which can normally bear the load under the impact load of a missile, ensure that steel panels on two sides are not damaged, and prolong the service life of the steel panels.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a steel sheet concrete composite wall counter-pulling system of pressure is not passed in tensile, includes:
the steel pull rods are arranged in the concrete in rows and columns, and two ends of the steel pull rods are fixedly penetrated on two oppositely arranged steel panels;
the steel sleeves are sleeved on the corresponding steel pull rods respectively, and polytetrafluoroethylene materials are filled between the steel sleeves and the steel pull rods.
According to the technical scheme, compared with the prior art, the utility model discloses the steel plate concrete combined wall opposite-pulling system with the tensile strength and no pressure transmission, and the steel pull rods directly restrain the steel panels on two sides, so that a certain tensile force can be provided in the concrete pouring construction, and the tensile force between the steel panels on two sides can be effectively transmitted under the action of external impact load; and the steel sleeve can effectively isolate the constraint of concrete on the steel pull rod, and because of the polytetrafluoroethylene material, the friction between the steel sleeve and the steel pull rod is reduced, so that the steel pull rod is easy to be unstably bent under the axial pressure, and the steel pull rod can effectively release the pressure between the steel panels on two sides. Therefore, the utility model can completely transmit the tensile force between the steel panels on the two sides of the steel plate concrete composite wall, and effectively release the pressure between the steel panels on the two sides, thereby greatly reducing the damage of external impact load to the steel panels, and being an effective supplement to the common counter-pulling system adopted by the steel plate concrete composite wall of the nuclear power station at present.
Furthermore, both ends of the steel pull rod are fixedly connected with the two steel panels through fasteners.
Further, the fastener includes:
the fastening nut is screwed on the end part of the steel pull rod;
and the gasket is tightly pressed between the steel panel and the fastening nut.
The beneficial effect that adopts above-mentioned technical scheme to produce is, the simple structure of fastener, easily the dismouting of steel pull rod and steel decking.
Furthermore, one end of the steel sleeve is fixedly connected with the inner wall of the steel panel corresponding to the steel sleeve.
Furthermore, one end of the steel sleeve is welded and fixed with the inner wall of the steel panel corresponding to the steel sleeve.
Further, the length of the steel sleeve is smaller than the distance between the two steel panels.
The beneficial effect that adopts above-mentioned technical scheme to produce is, under the outside impact load effect, because the steel casing pipe is short slightly, and not simultaneously with both sides steel decking contact, so can effectively keep apart the restraint of interior core concrete to the steel pull rod.
Further, the difference between the distance between the two steel panels and the length of the steel sleeve is 5 cm.
Furthermore, the steel pull rod is a round rod, and the ratio of the length to the diameter of the steel pull rod is 160-250.
The steel pull rod has the beneficial effects that the steel pull rod is a slender rod, so that the steel pull rod is easy to be stressed and unstably bent, and the steel pull rod is convenient to release the pressure between the steel panels on the two sides.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic axial-side structure diagram of a tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system provided by the utility model.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is an enlarged schematic view of the structure of the part a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1 to fig. 3, an embodiment of the present invention discloses a tensile and non-pressure-transmitting steel plate concrete composite wall counter-pulling system, including:
the concrete structure comprises steel pull rods 1, wherein the steel pull rods 1 are arranged in the concrete 100 in rows and columns, and two ends of the steel pull rods 1 are fixedly penetrated on two oppositely arranged steel panels 200;
the steel sleeve 2, steel sleeve 2 are a plurality of, and overlap respectively on the steel pull rod 1 that corresponds, and pack polytetrafluoroethylene material 3 between steel sleeve 2 and the steel pull rod 1.
The two ends of the steel pull rod 1 are fixedly connected with the two steel panels 200 through fasteners 4.
The fastener 4 includes:
the fastening nut 41, the fastening nut 41 is screwed on the end of the steel pull rod 1;
and the gasket 2 is arranged between the steel panel 200 and the fastening nut 41 in a compression mode.
One end of the steel sleeve 2 is fixedly connected with the inner wall of the corresponding steel panel 200.
One end of the steel sleeve 2 is welded and fixed with the inner wall of the corresponding steel panel 200.
The length of the steel casing 2 is less than the distance between the two steel face plates 200.
The difference between the distance between the two steel face plates 200 and the length of the steel casing 2 is 5 cm.
The steel pull rod 1 is a round rod, and the ratio of the length to the diameter of the round rod is 160-250.
According to the counter-pulling system, the steel pull rods are directly constrained on the steel panels on the two sides, so that certain pulling force can be provided in the concrete pouring construction, and the pulling force between the steel panels on the two sides can be effectively transmitted under the action of external impact load; and the steel sleeve can effectively isolate the constraint of concrete on the steel pull rod, and because of the polytetrafluoroethylene material, the friction between the steel sleeve and the steel pull rod is reduced, so that the steel pull rod is easy to be unstably bent under the axial pressure, and the steel pull rod can effectively release the pressure between the steel panels on two sides. Therefore, the utility model can completely transmit the tensile force between the steel panels on the two sides of the steel plate concrete composite wall, and effectively release the pressure between the steel panels on the two sides, thereby greatly reducing the damage of external impact load to the steel panels, and being an effective supplement to the common counter-pulling system adopted by the steel plate concrete composite wall of the nuclear power station at present.
The steel panels on two sides of the split system are tied into a whole by the split system, and then concrete is poured into the steel panels, so that the steel plate concrete composite wall which is tensile and does not transmit pressure can be formed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a steel sheet concrete composite wall of not passing pressure of tensile is to drawing system which characterized in that includes:
the steel pull rods (1) are arranged in the concrete (100) in rows and columns, and two ends of each steel pull rod (1) are fixedly penetrated on two oppositely arranged steel panels (200);
the steel sleeve (2), steel sleeve (2) are a plurality of, and overlap respectively and establish correspond on steel pull rod (1), just steel sleeve (2) with it has polytetrafluoroethylene material (3) to fill between steel pull rod (1).
2. The opposite-pulling system of the tensile non-pressure-transmission steel plate concrete composite wall is characterized in that two ends of the steel pull rod (1) are fixedly connected with the two steel face plates (200) through fasteners (4).
3. A tensile non-pressure-transmitting steel plate concrete composite wall opposite-pulling system according to claim 2, wherein the fastener (4) comprises:
the fastening nut (41), the fastening nut (41) is screwed on the end part of the steel pull rod (1);
the gasket (2) is arranged between the steel panel (200) and the fastening nut (41) in a pressing mode.
4. The opposite-pulling system for the tensile non-pressure-transmission steel plate concrete composite wall is characterized in that one end of the steel sleeve (2) is fixedly connected with the corresponding inner wall of the steel panel (200).
5. The opposite-pulling system for the tensile and non-pressure-transmission steel plate concrete composite wall is characterized in that one end of the steel sleeve (2) is fixedly welded with the corresponding inner wall of the steel panel (200).
6. A tensile non-pressure-transmitting steel plate concrete composite wall opposite-pulling system according to claim 1, characterized in that the length of the steel sleeve (2) is less than the distance between the two steel face plates (200).
7. A tensile non-pressure-transmitting steel plate concrete composite wall opposite-pulling system according to claim 6, characterized in that the difference between the distance between the two steel face plates (200) and the length of the steel sleeve (2) is 5 cm.
8. The opposite-pulling system of the tensile and non-pressure-transmission steel plate concrete combined wall as claimed in claim 1, wherein the steel pull rod (1) is a round rod, and the ratio of the length to the diameter of the round rod is 160-250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290242.7U CN215759798U (en) | 2021-09-22 | 2021-09-22 | Tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290242.7U CN215759798U (en) | 2021-09-22 | 2021-09-22 | Tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759798U true CN215759798U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122290242.7U Active CN215759798U (en) | 2021-09-22 | 2021-09-22 | Tensile non-pressure-transmission steel plate concrete composite wall counter-pulling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759798U (en) |
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2021
- 2021-09-22 CN CN202122290242.7U patent/CN215759798U/en active Active
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