CN218622841U - Steel beam-SP board connection structure of steel structure factory building - Google Patents
Steel beam-SP board connection structure of steel structure factory building Download PDFInfo
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- CN218622841U CN218622841U CN202220539503.6U CN202220539503U CN218622841U CN 218622841 U CN218622841 U CN 218622841U CN 202220539503 U CN202220539503 U CN 202220539503U CN 218622841 U CN218622841 U CN 218622841U
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- steel
- steel beam
- precast concrete
- board
- glue
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- 239000011178 precast concrete Substances 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 31
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 229920000297 Rayon Polymers 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229920006335 epoxy glue Polymers 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 abstract description 11
- 239000010410 layer Substances 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a steel beam-SP board connection structure of a steel structure factory building, when the steel beam is connected with the SP board, the joint of the two SP boards is placed on the upper surface of the steel beam, and at the moment, epoxy resin glue is injected into a glue injection groove, so that a precast concrete column between holes corresponding to the two SP boards is bonded and fixed with the two SP boards under the action of a first glue layer, thereby realizing the filling of the holes at the ends of the SP boards and improving the bearing capacity of the end boards; meanwhile, a second adhesive layer solidified by epoxy resin adhesive is arranged between the end surfaces of the two SP plates and the upper surface of the steel beam, so that reinforcement is realized to improve the structural stability of the joint; simultaneously first viscose layer and second viscose layer have the effect of buffering when realizing connecting to the condition that reduces or avoid the junction fracture takes place.
Description
Technical Field
The utility model relates to the technical field of building, in particular to girder steel-SP board connection structure of steel construction factory building.
Background
The steel-concrete composite floor system is a composite structure formed by combining steel beams and precast concrete floors, the combined effect of the steel beams and the precast concrete floors can obviously improve the strength and rigidity of the floor system and improve the spanning capability of the floor system, meanwhile, the steel consumption can be saved, the structure height can be reduced, the self-weight is favorable for the seismic performance of a main structure, and simultaneously, the foundation treatment difficulty and the engineering cost can be reduced, so that the steel-concrete composite floor system is an important structural system for developing the assembly type building at present. The design of the joint part of the steel beam and the precast concrete slab in the assembled steel-concrete composite floor system is particularly important.
The SP slab is also called as an SP prestressed hollow slab, is a precast concrete slab introduced from the United states, and has the characteristics of high bearing capacity, large span, good integrity, good shock resistance, good flame retardance and heat insulation, sound insulation, random cutting and hole opening within an allowable range and the like.
In the chinese patent with application publication No. CN113445652a, application publication No. 2021, 9 and 28, a "plate end slotted hole SP hollow composite slab-steel beam connection structure and construction method thereof", concrete is filled in a core hole of a plate end to improve the bearing capacity of an end plate, reinforce the weak part of an SP plate, and a steel bar net frame can ensure the longitudinal continuity and integrity of a floor slab and improve the vertical bearing capacity.
However, in the above patent, since the concrete is filled after the end plate of the SP panel is grooved, and at this time, the concrete shrinkage of the SP panel is completed, and the shrinkage of the newly filled concrete just starts, the joint surface is easily broken when the new and old concrete shrinks, and the impermeability and durability of the SP panel are damaged, which finally affects the bearing capacity of the joint of the steel beam and the SP panel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel beam-SP board connection structure of steel construction factory building can improve the bearing capacity of junction.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a girder steel-SP board connection structure of steel construction factory building, includes girder steel, two that are "worker" style of calligraphy and set up side by side and be close to the SP board that the end was shelved at the girder steel upper surface, it is provided with a plurality of holes to run through on the SP board terminal surface, SP board upper surface is provided with a plurality of respectively with the communicating injecting glue groove in a plurality of holes, two be provided with between the hole that the SP board corresponds and be used for filling the precast concrete post in the hole, the bonding of the inner wall in hole and the week side of precast concrete post has the first viscose layer that solidifies after injecting epoxy glue through the injecting glue groove, two be provided with the second viscose layer after solidifying through epoxy glue between SP board terminal surface and the girder steel upper surface.
The utility model discloses a further set up to: the end face of the precast concrete column is provided with an annular groove, and an annular rubber ring which is used for abutting against the inner wall of the hole is embedded into the annular groove.
The utility model discloses a further set up to: be provided with the steel bar frame in the precast concrete post, the steel bar frame includes a plurality of first reinforcing bars that are the distribution of circumference array, welds the week side at a plurality of first reinforcing bars and is the second reinforcing bar of spiral extension.
The utility model discloses a further set up to: the top of the precast concrete column is provided with a plurality of grooves which are distributed in a arrayed manner, the precast concrete column is completely embedded into the hole of one SP plate during installation, and then the groove of the concrete column is pushed through the area of the glue injection groove so that one end of the precast concrete column is embedded into the hole of the other SP plate after moving.
The utility model discloses a further set up to: the upper surface of the steel beam is provided with a plurality of sunken parts extending along the width direction of the steel beam, and the end parts of the two SP plates are placed on the steel beam to cover the sunken parts.
To sum up, the utility model discloses following beneficial effect has:
1. when the steel beam is connected with the SP plates, the joints of the two SP plates are placed on the upper surface of the steel beam, and epoxy resin glue is injected into the glue injection grooves, so that the precast concrete columns between the holes corresponding to the two SP plates are bonded and fixed with the two SP plates under the action of the first glue layer, and the holes at the end parts of the SP plates are filled, and the bearing capacity of the end plates is improved; meanwhile, a second adhesive layer solidified by epoxy resin adhesive is arranged between the end surfaces of the two SP plates and the upper surface of the steel beam, so that reinforcement is realized to improve the structural stability of the joint; meanwhile, the first adhesive layer and the second adhesive layer have a buffering effect when being connected, so that the situation that the joint is cracked is reduced or avoided;
2. when epoxy resin glue is injected into the glue injection groove to adhere the inner wall of the hole and the periphery of the precast concrete column, in order to prevent the epoxy resin glue from flowing out of the end part of the precast concrete, an annular rubber ring is realized to prevent the epoxy resin glue from being wasted after seepage;
3. the steel bar frame in the precast concrete column comprises a plurality of first steel bars and spirally extending second steel bars, so that the structural strength of the precast concrete column is ensured;
4. the upper surface of the steel beam is provided with a plurality of sunken parts extending along the width direction of the steel beam, and the end parts of the two SP plates are placed on the steel beam to cover the sunken parts, so that the using amount of epoxy resin glue in the sunken parts can be increased, and the connecting strength of the steel beam and the SP plates is further improved.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention (without a cross-section of the precast concrete column);
fig. 2 is a schematic view showing the structure of a steel bar frame in a precast concrete column.
Reference numerals are as follows: 1. a steel beam; 11. a recessed portion; 2. an SP board; 21. a hole; 22. injecting glue groove; 3. prefabricating a concrete column; 31. an annular groove; 32. an annular rubber ring; 33. a reinforcing steel bar frame; 331. a first reinforcing bar; 332. a second reinforcing bar; 34. a groove; 4. a first adhesive layer; 5. and a second adhesive layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides a girder steel-SP board connection structure of steel construction factory building, as shown in figure 1, including girder steel 1 that is "worker" style of calligraphy, two set up side by side and be close to the SP board 2 that the end was shelved at girder steel 1 upper surface, run through on the 2 terminal surfaces of SP board and be provided with a plurality of holes 21.
As shown in fig. 1, a plurality of glue injection grooves 22 respectively communicated with the plurality of holes 21 are arranged on the upper surface of the SP plates 2, the precast concrete columns 3 filled in the holes 21 are arranged between the holes 21 corresponding to the two SP plates 2, and the first adhesive layers 4 which are solidified after epoxy resin glue is injected through the glue injection grooves 22 are adhered to the inner walls of the holes 21 and the peripheral sides of the precast concrete columns 3.
As shown in fig. 1 and 2, a plurality of grooves 34 are arranged on the top of the precast concrete column 3, the precast concrete column 3 is completely embedded in the hole 21 of one SP plate 2 when being installed, and then the grooves 34 of the precast concrete column are pushed through the area of the glue injection groove 22 so that one end of the precast concrete column 3 is embedded in the hole 21 of the other SP plate 2 after being moved. And the end surface of the precast concrete column 3 is provided with an annular groove 31, and an annular rubber ring 32 which is used for abutting against the inner wall of the hole 21 is embedded in the annular groove 31. Meanwhile, a steel bar frame 33 is disposed in the precast concrete column 3, and the steel bar frame 33 includes a plurality of first steel bars 331 distributed in a circumferential array, and a second steel bar 332 welded to a circumferential side of the plurality of first steel bars 331 and extending spirally.
As shown in fig. 1, a plurality of recesses 11 extending along the width direction of the steel beam 1 are formed in the upper surface of the steel beam 1, the ends of two SP plates 2 rest on the steel beam 1 to cover the recesses 11, a second adhesive layer 5 solidified by epoxy resin glue is formed between the end surfaces of the two SP plates 2 and the upper surface of the steel beam 1, and the epoxy resin glue also penetrates into the contact surfaces of the recesses 11, the SP plates 2 and the steel beam 1.
The implementation effect is as follows: when the steel beam 1 and the SP plates 2 are connected, the joints of the two SP plates 2 are placed on the upper surface of the steel beam 1, and epoxy resin glue is injected into the glue injection grooves 22, so that the precast concrete columns 3 between the holes 21 corresponding to the two SP plates 2 are bonded and fixed with the two SP plates 2 under the action of the first glue layers 4, and the holes 21 at the ends of the SP plates 2 are filled, and the bearing capacity of the end plates is improved; meanwhile, a second adhesive layer 5 solidified by epoxy resin adhesive is arranged between the end surfaces of the two SP plates 2 and the upper surface of the steel beam 1, so that reinforcement is realized to improve the structural stability of the joint; meanwhile, the first adhesive layer 4 and the second adhesive layer 5 have a buffering effect when being connected, so that the situation that the joint is cracked is reduced or avoided.
When the glue injection groove 22 is injected with epoxy glue to bond the inner wall of the hole 21 and the peripheral side of the precast concrete column 3, in order to prevent the epoxy glue from flowing out of the end of the precast concrete, the annular rubber ring 32 is implemented to prevent the epoxy glue from being wasted after seeping out. The reinforcement frame 33 in the column 3 comprises a plurality of first reinforcement bars 331 and a plurality of second reinforcement bars 332 extending in a spiral shape, thereby securing the structural strength of the column 3. A plurality of concave parts 11 extending along the width direction of the steel beam 1 are arranged on the upper surface of the steel beam 1, and the ends of the two SP plates 2 are placed on the steel beam 1 to cover the concave parts 11, so that the using amount of epoxy resin glue in the concave parts 11 can be increased, and the connecting strength of the steel beam 1 and the SP plates 2 is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a girder steel-SP board connection structure of steel construction factory building, sets up and is close to the SP board (2) that the end shelved at girder steel (1) upper surface including girder steel (1) that are "worker" style of calligraphy side by side two, run through on SP board (2) terminal surface and be provided with a plurality of holes (21), its characterized in that: SP board (2) upper surface is provided with a plurality of respectively with communicating injecting glue groove (22) of a plurality of hole (21), two be provided with between hole (21) that SP board (2) correspond and be used for filling precast concrete post (3) in hole (21), the week side bonding of the inner wall of hole (21) and precast concrete post (3) has through injecting glue groove (22) and pours into first viscose layer (4) that solidify behind the epoxy glue, two be provided with between SP board (2) terminal surface and girder steel (1) upper surface through second viscose layer (5) after the epoxy glue solidifies.
2. The steel beam-SP board connection structure of a steel structure factory building according to claim 1, characterized in that: the end face of the precast concrete column (3) is provided with an annular groove (31), and an annular rubber ring (32) which is used for abutting against the inner wall of the hole (21) is embedded into the annular groove (31).
3. The steel beam-SP board connection structure of a steel structure factory building according to claim 2, characterized in that: be provided with reinforcing bar frame (33) in precast concrete post (3), reinforcing bar frame (33) include a plurality of first reinforcing bar (331) that are distributed in the circumference array, weld the week side of a plurality of first reinforcing bar (331) and be the second reinforcing bar (332) of spiral extension.
4. The steel beam-SP board connection structure of a steel structure factory building according to claim 3, characterized in that: the top of the precast concrete column (3) is provided with a plurality of grooves (34) which are distributed in a arrayed manner, the precast concrete column (3) is completely embedded into the hole (21) of one SP plate (2) when being installed, and then the groove (34) of the precast concrete column is pushed through the area of the glue injection groove (22) so that one end of the precast concrete column (3) is embedded into the hole (21) of the other SP plate (2) after being moved.
5. The steel beam-SP board connection structure of a steel structure factory building according to claim 1, characterized in that: the upper surface of the steel beam (1) is provided with a plurality of sunken parts (11) extending along the width direction of the steel beam, the end parts of the two SP plates (2) are placed on the steel beam (1) to cover the sunken parts (11), and the sunken parts (11) are filled with the flowing epoxy resin glue of the second glue layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220539503.6U CN218622841U (en) | 2022-03-11 | 2022-03-11 | Steel beam-SP board connection structure of steel structure factory building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220539503.6U CN218622841U (en) | 2022-03-11 | 2022-03-11 | Steel beam-SP board connection structure of steel structure factory building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218622841U true CN218622841U (en) | 2023-03-14 |
Family
ID=85422108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220539503.6U Active CN218622841U (en) | 2022-03-11 | 2022-03-11 | Steel beam-SP board connection structure of steel structure factory building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218622841U (en) |
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2022
- 2022-03-11 CN CN202220539503.6U patent/CN218622841U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 new Sanjiang Gate West, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Zhongqingda Construction Industry Co.,Ltd. Country or region after: China Address before: 312000 new Sanjiang Gate West, Yuecheng District, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHONGQINGDA ARCHITECTURAL INDUSTRIALIZATION Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |