CN218374384U - Novel integrated pressure-bearing steel plate device for prefabricating primary and secondary beam steel tongue-and-groove joints - Google Patents
Novel integrated pressure-bearing steel plate device for prefabricating primary and secondary beam steel tongue-and-groove joints Download PDFInfo
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- CN218374384U CN218374384U CN202222108364.4U CN202222108364U CN218374384U CN 218374384 U CN218374384 U CN 218374384U CN 202222108364 U CN202222108364 U CN 202222108364U CN 218374384 U CN218374384 U CN 218374384U
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Abstract
The utility model provides a novel integration pressure-bearing steel sheet device of prefabricated primary and secondary roof beam steel tongue-and-groove joint belongs to assembled concrete structure technical field. It discloses that there is positioner on the pressure-bearing steel sheet, there is the reinforcing bar of buckling the pressure-bearing steel sheet below, the reinforcing bar of buckling sets up along the direction with positioner vertically, the reinforcing bar of buckling includes the flat straight section reinforcing bar in lower part, the flat straight section reinforcing bar in upper portion and connects the two linkage segment reinforcing bar, the flat straight section reinforcing bar position department cover in lower part has the steel sheet stirrup, steel sheet stirrup top surface and the welding of pressure-bearing steel sheet bottom surface, steel sheet stirrup bottom surface and the flat straight section reinforcing bar welding in lower part and fix the pressure-bearing steel sheet on the flat plane in lower part of the reinforcing bar of buckling. The utility model discloses the production degree of difficulty is little, and anchoring ability is strong, can improve the bearing capacity of node, can effectively solve the problem that the muscle was worn to muscle difficulty and was encrypted the stirrup collision by node secondary beam gluten simultaneously.
Description
Technical Field
The utility model relates to an assembled concrete structure technical field especially relates to a novel integration pressure-bearing steel sheet device of prefabricated primary and secondary roof beam steel tongue-and-groove node.
Background
The pre-buried bearing steel plate of prefabricated girder is used for supporting prefabricated secondary beam, the bearing device of transmission diffusion girder stress simultaneously, in addition in order to fix the position of bearing steel plate, usually weld the built-in fitting in the lower part of bearing steel plate and anchor. The technical standard of assembled concrete construction GBT51231-2016 provides a pressure-bearing steel plate for prefabricating a primary and secondary beam steel rabbet node, and an embedded part is welded at the lower part of the pressure-bearing steel plate for anchoring. The conventional pressure-bearing steel plate device has the following problems:
1) The longitudinal construction steel bars of the prefabricated main beam at the steel rabbet nodes need to be cut off, so that the connection integrity of the nodes is reduced;
2) The pressure-bearing steel plate device is inconvenient to position and support during construction and pouring, and the prefabricated part is difficult to produce;
3) The prefabricated main beam stirrups at the positions of the steel rabbet nodes are dense, so that the steel bar collision is easy to occur, the prefabricated secondary beam gluten is difficult to penetrate, and the assembly type construction difficulty is high.
Disclosure of Invention
The utility model aims to solve the technical problem that at least one problem to above-mentioned prior art provides a production degree of difficulty little, and the anchoring ability is strong, can improve the bearing capacity of node, can effectively solve node secondary beam gluten and wear muscle difficulty and encrypt stirrup collision problem simultaneously, is applicable to the novel integration pressure-bearing steel sheet device of prefabricated primary and secondary beam steel tongue-and-groove node.
The utility model adopts the technical proposal that:
including the pressure-bearing steel sheet, there is positioner on the pressure-bearing steel sheet, there is the reinforcing bar of buckling the pressure-bearing steel sheet below, the reinforcing bar of buckling sets up along the direction with positioner vertically, the reinforcing bar of buckling includes the flat straight section reinforcing bar in lower part, the flat straight section reinforcing bar in upper portion and connects the two linkage segment reinforcing bar, the flat straight section reinforcing bar position department cover in lower part has the steel sheet stirrup, steel sheet stirrup top surface and the welding of pressure-bearing steel sheet bottom surface, steel sheet stirrup bottom surface and the flat straight section reinforcing bar welding in lower part and fix the pressure-bearing steel sheet on the flat face in lower part of the reinforcing bar of buckling.
Preferably, the positioning device is a positioning groove formed by vertically and parallelly arranging two positioning blocks, and the positioning groove stretches across two ends of the pressure-bearing steel plate.
The bending reinforcing steel bars can be arranged more than two, the lower straight section reinforcing steel bars and the bottoms of the connecting section reinforcing steel bars at the left end and the right end form the same obtuse angle respectively, and the tops of the connecting section reinforcing steel bars form the same obtuse angle with the upper straight section reinforcing steel bars respectively.
Preferably, the steel plate stirrups are square, the number of the steel plate stirrups is more than two, and the steel plate stirrups are perpendicularly and parallelly hooped and welded on the lower straight section steel bars of the bent steel bars.
The utility model discloses following technological effect has:
1) The stress diffusion range of the prefabricated main beam is enlarged by enlarging the area of the pressure-bearing steel plate, the purpose of a strong node is realized, and meanwhile, the bearing capacity of the prefabricated main beam and secondary beam steel tongue-and-groove node is favorably improved.
2) The prefabricated main beam stirrups at the steel rabbet nodes move outwards to the outside of the range of the secondary beam nodes, so that the problems of the prefabricated main beam stirrups collision and the difficulty in reinforcing bar penetrating of the prefabricated secondary beam gluten are effectively solved.
3) Through the binding and lapping of the upper straight section of the bent reinforcing steel bar and the welding connection of the lower straight section, the anchoring of the pressure-bearing steel plate in the prefabricated main beam is increased, and the continuity of the longitudinal structural reinforcing steel bar of the prefabricated main beam at the rabbet joint of the steel is realized.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the separation according to the embodiment of the present invention.
Fig. 3 is a schematic diagram of a primary beam and secondary beam connection node applied to the present embodiment.
Fig. 4 is a schematic view of the present embodiment disposed at a prefabricated main beam connection node.
Fig. 5 is a schematic view showing the placement of the secondary beam steel tongue and groove on the positioning slot of this embodiment.
1. A novel integrated pressure-bearing steel plate device; 2. a pressure-bearing steel plate; 3. positioning a block; 4. a steel plate stirrup; 5. bending the reinforcing steel bars; 5a, upper straight section steel bars; 5b, lower straight section steel bars; 5c, connecting section steel bars; 6. prefabricating a main beam; 7. a main beam notch; 8. prefabricating a secondary beam; 9. a steel tongue-and-groove; 10. hooping; 11. longitudinally constructing a steel bar; 12. longitudinal stress reinforcing steel bars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as indicated based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and for simplification of description, and do not indicate or imply that the components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, the novel integrated pressure-bearing steel plate device 1 of this embodiment mainly includes pressure-bearing steel plate 2, steel plate stirrup 4 and bending reinforcing bar 5, pressure-bearing steel plate 2 is last to have the constant head tank that is formed by the perpendicular parallel arrangement of two locating pieces 3, the constant head tank spanes pressure-bearing steel plate 2's both ends, pressure-bearing steel plate 2 below both ends head has two bending reinforcing bar 5, bending reinforcing bar 5's quantity can be according to the length wait condition of pressure-bearing steel plate and set up as required, bending reinforcing bar 5 sets up along the direction perpendicular with the constant head tank, bending reinforcing bar 5 includes lower part straight section reinforcing bar 5b, upper portion straight section reinforcing bar 5a and connect the connecting segment reinforcing bar 5c of the two, lower part straight section reinforcing bar 5b forms the same obtuse angle respectively with the connecting segment reinforcing bar 5c bottom of controlling both ends, connecting segment reinforcing bar 5c top forms the same obtuse angle with upper portion straight section reinforcing bar 5a respectively. The position department cover of the straight section reinforcing bar of lower part 5b has square steel sheet stirrup 4, and quantity is four, and the perpendicular parallel ground hoop of steel sheet stirrup 4 welds on the straight section reinforcing bar 5b of the lower part of 5b of reinforcing bar of buckling, and the quantity of steel sheet stirrup 4 can be according to the length of the straight section reinforcing bar of lower part 5b according to the demand setting. The top surface of the steel plate stirrup 4 is welded with the bottom surface of the pressure-bearing steel plate 2, the bottom surface of the steel plate stirrup 4 is welded with the lower straight section steel bar 5b, and the pressure-bearing steel plate 2 is fixed on the lower straight surface of the bent steel bar 5.
Fig. 3-5 show that this embodiment is applied to the lapped scene of prefabricated girder 6 and prefabricated secondary beam 8, and the novel integrated pressure-bearing steel sheet device 1 of this embodiment is pre-buried on the middle part overlap joint of prefabricated girder 6, and pressure-bearing steel sheet 2 is pre-buried in prefabricated girder notch 7 bottom, is provided with parallel evenly arranged's vertical structure reinforcing bar 11 in the steel sheet stirrup 4 of pressure-bearing steel sheet 2 below, and the bottommost is vertical atress reinforcing bar 12. And the upper straight section 5a is in binding and overlapping with the longitudinal construction steel bar 11 of the prefabricated main beam 6, and the binding and overlapping length is not less than 15d. The length of the pressure-bearing steel plate 2 parallel to the width direction of the prefabricated main beam 6 is determined by the length of the prefabricated main beam notch 7, and the length of the pressure-bearing steel plate 2 parallel to the width direction of the prefabricated secondary beam 8 is required to be more than or equal to the width of the prefabricated secondary beam 8. The prefabricated secondary beam 8 with the steel rabbet 9 embedded at the end is placed in a positioning groove formed by the positioning block 3 (as shown in figure 5).
Prefabricated girder 6 node has been used the utility model discloses a behind the integration pressure-bearing steel sheet device, originally need to set up the stirrup 10 at prefabricated girder 6 node and can move outward outside the roof beam width scope of prefabricated secondary beam 8, nevertheless in prefabricated girder 6 concentrated stress stirrup 10 sets up the within range, need satisfy promptly that "concrete structure design standard" GB 50010-2010 stirrup arranges 2h of length 1 The +3b related requirements can meet the stress requirements, and the mutual collision of the stirrups 10 of the prefabricated main beam 6 and the difficulty in penetrating the gluten of the prefabricated secondary beam 8 can be avoided.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the scope of the technical solution of the present invention without departing from the technical spirit of the present invention, and the technical content of the present invention is covered by the scope of the present invention.
Claims (4)
1. The utility model provides a novel integrated pressure-bearing steel sheet device of prefabricated primary and secondary roof beam steel tongue-and-groove node, includes the pressure-bearing steel sheet, its characterized in that: there is positioner on the pressure-bearing steel sheet, there is the reinforcing bar of buckling the pressure-bearing steel sheet below, the reinforcing bar of buckling sets up along the direction with positioner vertically, the reinforcing bar of buckling includes the flat straight section reinforcing bar in lower part, the flat straight section reinforcing bar in upper portion and connects the two linkage segment reinforcing bar, the flat straight section reinforcing bar position department cover in lower part has the steel sheet stirrup, steel sheet stirrup top surface and the welding of pressure-bearing steel sheet bottom surface, steel sheet stirrup bottom surface and the flat straight section reinforcing bar welding in lower part and fix the pressure-bearing steel sheet on the flat face in lower part of the reinforcing bar of buckling.
2. The novel integrated pressure-bearing steel plate device for prefabricating the main and secondary beam steel tongue-and-groove joint according to claim 1, is characterized in that: the positioning device is a positioning groove formed by vertically and parallelly arranging two positioning blocks, and the positioning groove stretches across two ends of the pressure-bearing steel plate.
3. The novel integrated pressure-bearing steel plate device for prefabricating the main and secondary beam steel tongue-and-groove joint according to claim 1, is characterized in that: the number of the bent reinforcing steel bars is more than two, the lower straight section reinforcing steel bars and the bottoms of the connecting section reinforcing steel bars at the left end and the right end form the same obtuse angle respectively, and the tops of the connecting section reinforcing steel bars and the upper straight section reinforcing steel bars form the same obtuse angle respectively.
4. The novel integrated pressure-bearing steel plate device for prefabricating the main and secondary beam steel tongue-and-groove joint according to claim 1, is characterized in that: the steel plate stirrups are square, the number is more than two, and the perpendicular parallel ground hoop welds on the straight section reinforcing bar of the lower part of the reinforcing bar of buckling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222108364.4U CN218374384U (en) | 2022-08-11 | 2022-08-11 | Novel integrated pressure-bearing steel plate device for prefabricating primary and secondary beam steel tongue-and-groove joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222108364.4U CN218374384U (en) | 2022-08-11 | 2022-08-11 | Novel integrated pressure-bearing steel plate device for prefabricating primary and secondary beam steel tongue-and-groove joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218374384U true CN218374384U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222108364.4U Active CN218374384U (en) | 2022-08-11 | 2022-08-11 | Novel integrated pressure-bearing steel plate device for prefabricating primary and secondary beam steel tongue-and-groove joints |
Country Status (1)
| Country | Link |
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| CN (1) | CN218374384U (en) |
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2022
- 2022-08-11 CN CN202222108364.4U patent/CN218374384U/en active Active
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