CN109944363B - Screw sleeve and T-shaped node of short steel-connection type steel-concrete combined pipe - Google Patents
Screw sleeve and T-shaped node of short steel-connection type steel-concrete combined pipe Download PDFInfo
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- CN109944363B CN109944363B CN201910278383.1A CN201910278383A CN109944363B CN 109944363 B CN109944363 B CN 109944363B CN 201910278383 A CN201910278383 A CN 201910278383A CN 109944363 B CN109944363 B CN 109944363B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 150
- 239000010959 steel Substances 0.000 claims abstract description 150
- 239000002131 composite material Substances 0.000 claims description 46
- 238000005336 cracking Methods 0.000 claims description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The T-shaped joint of the threaded sleeve and the short steel-concrete combined pipe comprises a first steel-concrete combined pipe and a second steel-concrete combined pipe which are arranged vertically to each other, wherein the rear end part of the second steel-concrete combined pipe is exposed out of an end steel plate, an internal threaded sleeve is embedded in a first concrete layer at the front side of the first steel-concrete combined pipe, the front half section of the internal threaded sleeve is in threaded connection with a connecting screw rod, the rear side surface of the end steel plate is welded with a steel-like shape, the left side and the right side of the steel-like shape are respectively provided with a mounting hole, the front end of the connecting screw rod penetrates through the mounting holes to be connected with the steel-like shape into a whole, and a steel reinforcement net-shaped framework is arranged between the rear side of the steel-like shape and the first steel-concrete combined pipe. The invention can greatly improve the connection strength of the T-shaped joint between two steel concrete combined pipes, ensure the connection reliability, combine cast-in-situ with prefabrication, facilitate construction, have high construction efficiency, ensure the construction quality and completely meet the use requirements of the whole stress, energy conservation, earthquake resistance and the like of the modern fabricated building.
Description
Technical Field
The invention belongs to the technical field of assembly type building construction, and particularly relates to a threaded sleeve and a T-shaped node of a short steel-connection type steel-concrete composite pipe.
Background
The key of the problem is that the joints between the steel concrete composite pipes are connected, the T-shaped joint is one of the most common joints of the fabricated building, the structure of the existing T-shaped joint is not strong in structural integrity, poor in shock resistance and easy to cause deformation and crack generation of the fabricated wall, and the connection mode of the T-shaped joint cannot meet the use function of the fabricated building with higher requirements.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a threaded sleeve and a T-shaped node of a short steel-connection type steel-concrete composite pipe, which have the advantages of compact and reasonable structure, balanced stress, strong stability and strong wind resistance and shock resistance.
In order to solve the technical problems, the invention adopts the following technical scheme: the T-shaped joint of the threaded sleeve and the short rectangular steel connection type steel concrete composite pipe comprises a first steel concrete composite pipe and a second steel concrete composite pipe which are arranged vertically to each other, the rear side surface of the first steel concrete composite pipe is adjacent to the front end part of the second steel concrete composite pipe, the first steel concrete composite pipe comprises a first rectangular steel plate structure and a first concrete layer poured on the outer side part of the first rectangular steel plate structure, the second steel concrete composite pipe comprises a second rectangular steel plate structure and a second concrete layer poured on the outer side part of the second rectangular steel plate structure, a plurality of first screw tie bars penetrate between the front side plate and the rear side plate of the first rectangular steel plate structure, the front end and the rear end of each first screw tie bar are embedded in the first concrete layer, a plurality of second screw tie bars penetrate between the left side plate and the right side plate of the second rectangular steel plate structure, the rear end part of the second screw tie bars is embedded in the second concrete layer, the rear end part of the second screw tie bars is exposed out of the first concrete layer, the first concrete layer on the front side of the first steel composite pipe is embedded in the first concrete layer, the front side and the rear side part of the second rectangular steel plate structure is respectively corresponding to the second rectangular steel plate structure and the second concrete layer is provided with a plurality of hollow steel bars, the front end and rear end of the first screw tie bars are integrally connected with the threaded sleeve, the front and rear end of the first screw bars are integrally connected with the threaded sleeve is provided with the threaded sleeve, the front and the hollow steel wire is connected with the hollow steel wire, the front end of the hollow steel wire is connected with the hollow steel wire-shaped steel wire, and the hollow steel wire is integrally arranged in the hollow, the hollow steel wire is connected with the hollow steel wire, and the inside the hollow steel is connected with the hollow.
The steel bar net-shaped framework comprises vertical steel bars and rectangular shear stirrups, the vertical steel bars are arranged along the vertical direction, the rectangular shear stirrups are horizontally arranged and provided with a plurality of layers, and the vertical steel bars are provided with at least four and are arranged in a rectangular array; the vertical steel bars are arranged between the left and right connecting screws, and the rectangular shear stirrups are sleeved outside all the vertical steel bars and are in spot welding or binding with the vertical steel bars.
The steel plates at the front side and the end part of the steel plates are correspondingly provided with a plurality of through holes which are arranged at intervals along the height direction.
First tie anti-cracking meshes connected to the front end and the rear end of the first screw tie bar are embedded in the first concrete layer, second tie anti-cracking meshes are embedded in the second concrete layer, and the rear side edge of the second tie anti-cracking meshes extends to the outside of the connecting screw adjacent to the front side surface of the first steel concrete composite pipe and on the left side and the right side of the connecting screw.
Rectangular columnar concrete blocks are poured outside the reinforcing steel mesh skeleton, the steel bars, the connecting screw rods and the exposed second tie anti-cracking meshes, the outer side faces of the concrete blocks are respectively correspondingly connected with the left side face and the right side face of the second concrete layer and kept flush, inner concrete is poured in the second steel concrete combined pipe, and the concrete blocks and the inner concrete are connected into a whole through holes.
By adopting the technical scheme, the first concrete layer outside the first steel concrete combined pipe, the embedded first tie anti-cracking net sheet, the first screw tie bar, the internal thread sleeve, the second concrete layer outside the second steel concrete combined pipe, the embedded second tie anti-cracking net sheet and the second screw tie bar are prefabricated in a factory. When the second steel concrete combined pipe is prefabricated in a factory, the end steel plate of the second steel concrete combined pipe and the rear end part of the second drawknot anti-cracking net sheet are exposed, the steel plates are welded to the end steel plates, and through holes are correspondingly formed between the steel plates.
The first steel concrete combined pipe and the second steel concrete combined pipe are assembled after being transported to a construction site, so that the first steel concrete combined pipe and the second steel concrete combined pipe are vertically arranged, a connecting screw rod is arranged in a rectangular columnar space between the rear side of an end steel plate and the front side of the first steel concrete combined pipe in a penetrating manner, a connecting nut is screwed on, then a reinforcing steel mesh framework is arranged, all vertical reinforcing steel bars are connected into a whole through rectangular shearing-resistant stirrups, finally concrete is poured and solidified into concrete blocks, and the first steel concrete combined pipe and the second steel concrete combined pipe are firmly connected into a whole. The second tie anti-cracking net sheet is also poured into the concrete block, so that the appearance of the joint of the second concrete layer and the concrete block is ensured not to crack. And pouring the inner concrete in the second steel concrete combined pipe while pouring the concrete blocks, wherein the concrete blocks and the inner concrete in the second steel concrete combined pipe are connected into a whole through a plurality of through holes, so that the connection strength of the T-shaped joint is further improved.
Because the second steel concrete composite pipe is generally used as the inner wall of the fabricated building, the first steel concrete composite pipe is used as the outer wall of the fabricated building, the first steel concrete composite pipe and the second steel concrete composite pipe are connected into a whole, and the second steel concrete composite pipe also plays a role in supporting the first steel concrete composite pipe.
In conclusion, the invention can greatly improve the connection strength of the T-shaped joint between two steel concrete combined pipes, ensure the connection reliability, combine cast-in-situ with prefabrication, facilitate construction, have high construction efficiency, ensure the construction quality and completely meet the use requirements of the modern fabricated building such as integral stress, energy conservation, earthquake resistance and the like.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is an enlarged view of the connection of the section steel of the shape of the Chinese character 'ji' of FIG. 1 with the connecting screw;
Fig. 3 is a schematic view of the rectangular shear stirrup of fig. 1.
Detailed Description
As shown in fig. 1-3, the T-shaped joint of the threaded sleeve and the short rectangular steel-connection type steel-concrete composite pipe comprises a first steel-concrete composite pipe and a second steel-concrete composite pipe which are mutually and vertically arranged, the rear side surface of the first steel-concrete composite pipe is adjacent to the front end part of the second steel-concrete composite pipe, the first steel-concrete composite pipe comprises a first rectangular steel plate structure 1 and a first concrete layer 2 poured on the outer side part of the first rectangular steel plate structure 1, the second steel-concrete composite pipe comprises a second rectangular steel plate structure 3 and a second concrete layer 4 poured on the outer side part of the second rectangular steel plate structure 3, a plurality of first screw tie bars 5 are penetrated between the front side plate and the rear side plate of the first rectangular steel plate structure 1, the front end and the rear end of each first screw tie bar 5 are pre-buried in the first concrete layer 2, a plurality of second screw rod tie bars 6 are penetrated between the left side plate and the right side plate of the second rectangular steel plate structure 3, the front end and the rear end of the second screw rod tie bars 6 are embedded in the second concrete layer 4, the rear end of the second rectangular steel plate structure 3 exposes out an end steel plate 7, an internal thread sleeve 8 corresponding to the left side part and the right side part of the second concrete layer 4 respectively from front to back is embedded in the first concrete layer 2 at the front side of the first steel concrete combined pipe, the front end of the first screw rod tie bars 5 corresponding to the internal thread sleeve 8 is connected with the rear half section in the internal thread sleeve 8 in a threaded manner, the front half section of the internal thread sleeve 8 is connected with a connecting screw rod 9 in a threaded manner, the rear side surface of the end steel plate 7 is welded with a Chinese character 'ji' shaped steel 10, the left side and the right side of the Chinese character 'ji' shaped steel 10 are respectively provided with front and rear through mounting holes, the front end of the connecting screw rod 9 penetrates through the mounting holes and is connected with the Chinese character 'ji' shaped steel 10 into a whole through a connecting nut 11, a steel bar net-shaped framework is arranged in a rectangular columnar space between the rear side of the steel bar 10 and the first steel concrete combined pipe.
The steel bar net-shaped framework comprises vertical steel bars 12 and rectangular shear stirrups 13, the vertical steel bars 12 are arranged along the vertical direction, the rectangular shear stirrups 13 are horizontally arranged and provided with a plurality of layers, and the vertical steel bars 12 are provided with at least four and are arranged in a rectangular array; the vertical steel bars 12 are arranged between the left and right connecting screw rods 9, and the rectangular shear stirrups 13 are sleeved outside all the vertical steel bars 12 and are in spot welding or binding with the vertical steel bars 12.
The front side of the steel section 10 and the end steel plate 7 are correspondingly provided with a plurality of through holes 14 which are arranged at intervals along the height direction.
The first concrete layer 2 is embedded with a first tie anti-cracking net 15 connected to the front and rear ends of the first screw tie bars 5, the second concrete layer 4 is embedded with a second tie anti-cracking net 16, and the rear side of the second tie anti-cracking net 16 extends to the outside of the connecting screw 9 adjacent to the front side and the left and right sides of the first steel concrete composite pipe.
Rectangular columnar concrete blocks (not shown in the figure) are poured outside the reinforcing steel mesh skeleton, the steel bars 10, the connecting screw rods 9 and the exposed second tie anti-cracking net piece 16, the outer side faces of the concrete blocks are respectively correspondingly connected with the left side face and the right side face of the second concrete layer 4 and kept flush, inner concrete (not shown in the figure) is poured in the second steel concrete combined pipe, and the concrete blocks and the inner concrete are connected into a whole through the through holes 14.
The first concrete layer 2 outside the first steel concrete composite pipe, the embedded first tie anti-cracking net 15, the first screw tie bar 5, the internal thread sleeve 8, the second concrete layer 4 outside the second steel concrete composite pipe, the embedded second tie anti-cracking net 16 and the second screw tie bar 6 are all prefabricated in a factory. When the second steel concrete composite pipe is prefabricated in a factory, the end steel plate 7 and the rear end of the second drawknot anti-cracking net piece 16 are exposed outside, the steel section 10 is welded to the end steel plate 7, and through holes 14 are correspondingly formed between the steel section 10 and the end steel plate 7.
The first steel concrete combined pipe and the second steel concrete combined pipe are assembled after being transported to a construction site, so that the first steel concrete combined pipe and the second steel concrete combined pipe are vertically arranged, a connecting screw rod 9 is arranged in a rectangular columnar space between the rear side of an end steel plate 7 and the front side of the first steel concrete combined pipe in a penetrating manner, a connecting nut 11 is screwed on, then a reinforcing steel mesh framework is arranged, all vertical reinforcing steel bars 12 are connected into a whole by rectangular shearing resistant stirrups 13, finally concrete is poured and solidified into concrete blocks, and the first steel concrete combined pipe and the second steel concrete combined pipe are firmly connected into a whole. The second tie anti-crack mesh 16 is also poured into the concrete block, thus ensuring that the second concrete layer 4 does not crack with the appearance of the concrete block at the junction. And the inner concrete is poured in the second steel concrete combined pipe while the concrete blocks are poured, and the concrete blocks are connected with the inner concrete in the second steel concrete combined pipe into a whole through a plurality of through holes 14, so that the connection strength of the T-shaped joint is further improved.
Because the second steel concrete composite pipe is generally used as the inner wall of the fabricated building, the first steel concrete composite pipe is used as the outer wall of the fabricated building, the first steel concrete composite pipe and the second steel concrete composite pipe are connected into a whole, and the second steel concrete composite pipe also plays a role in supporting the first steel concrete composite pipe.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (3)
1. The T-shaped joint of the threaded sleeve and the short steel-connection type steel-concrete composite pipe comprises a first steel-concrete composite pipe and a second steel-concrete composite pipe which are arranged vertically to each other, the rear side surface of the first steel-concrete composite pipe is adjacent to the front end part of the second steel-concrete composite pipe, the first steel-concrete composite pipe comprises a first rectangular steel plate structure and a first concrete layer poured on the outer side part of the first rectangular steel plate structure, the second steel-concrete composite pipe comprises a second rectangular steel plate structure and a second concrete layer poured on the outer side part of the second rectangular steel plate structure, a plurality of first screw tie bars are arranged between the front side plate and the rear side plate of the first rectangular steel plate structure in a penetrating manner, the front end and the rear end of each first screw tie bar are embedded in the first concrete layer, a plurality of second screw tie bars are arranged between the left side plate and the right side plate of the second rectangular steel plate structure in a penetrating manner, and the front end and the rear end of each second screw tie bar are embedded in the second concrete layer, and the T-shaped steel-concrete composite pipe is characterized in that: the rear end part of the second rectangular steel plate structure is exposed out of an end steel plate, an inner threaded sleeve corresponding to the left side part and the right side part of the second concrete layer respectively is embedded in the first concrete layer at the front side of the first steel concrete combined pipe, the front end of a first screw rod tie bar corresponding to the inner threaded sleeve is connected with the rear half section of the inner threaded sleeve in a threaded manner, the front half section of the inner threaded sleeve is connected with a connecting screw rod in a threaded manner, a steel bar is welded on the rear side surface of the end steel plate, front and rear penetrating mounting holes are respectively formed in the left side and the right side of the steel bar, the front end of the connecting screw rod penetrates through the mounting holes and is connected with the steel bar into a whole through a connecting nut, and a steel bar net framework is arranged in a rectangular columnar space between the rear side of the steel bar and the first steel concrete combined pipe;
the steel bar net-shaped framework comprises vertical steel bars and rectangular shear stirrups, the vertical steel bars are arranged along the vertical direction, the rectangular shear stirrups are horizontally arranged and provided with a plurality of layers, and the vertical steel bars are provided with at least four and are arranged in a rectangular array; the vertical steel bars are arranged between the left and right connecting screws, and the rectangular shear stirrups are sleeved outside all the vertical steel bars and are in spot welding or binding with the vertical steel bars;
the steel plates at the front side and the end part of the steel plates are correspondingly provided with a plurality of through holes which are arranged at intervals along the height direction.
2. The threaded sleeve and short-shaped steel-connection type steel-concrete composite pipe T-shaped node according to claim 1, wherein: first tie anti-cracking meshes connected to the front end and the rear end of the first screw tie bar are embedded in the first concrete layer, second tie anti-cracking meshes are embedded in the second concrete layer, and the rear side edge of the second tie anti-cracking meshes extends to the outside of the connecting screw adjacent to the front side surface of the first steel concrete composite pipe and on the left side and the right side of the connecting screw.
3. The threaded sleeve and short-shaped steel-connection type steel-concrete composite pipe T-shaped node according to claim 2, wherein: rectangular columnar concrete blocks are poured outside the reinforcing steel mesh skeleton, the steel bars, the connecting screw rods and the exposed second tie anti-cracking meshes, the outer side faces of the concrete blocks are respectively correspondingly connected with the left side face and the right side face of the second concrete layer and kept flush, inner concrete is poured in the second steel concrete combined pipe, and the concrete blocks and the inner concrete are connected into a whole through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278383.1A CN109944363B (en) | 2019-04-09 | 2019-04-09 | Screw sleeve and T-shaped node of short steel-connection type steel-concrete combined pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278383.1A CN109944363B (en) | 2019-04-09 | 2019-04-09 | Screw sleeve and T-shaped node of short steel-connection type steel-concrete combined pipe |
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| Publication Number | Publication Date |
|---|---|
| CN109944363A CN109944363A (en) | 2019-06-28 |
| CN109944363B true CN109944363B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910278383.1A Active CN109944363B (en) | 2019-04-09 | 2019-04-09 | Screw sleeve and T-shaped node of short steel-connection type steel-concrete combined pipe |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433479Y (en) * | 2009-02-04 | 2010-03-31 | 南通建筑工程总承包有限公司 | Vertical connection node of T-shaped shear wall |
| CN107938894A (en) * | 2017-12-12 | 2018-04-20 | 重庆渝隆远大住宅工业有限公司 | Overlap the T-shaped connecting node of exterior wall and its construction method |
| CN210049442U (en) * | 2019-04-09 | 2020-02-11 | 河南绿建建筑科技有限公司 | T-shaped node of threaded sleeve and short U-shaped steel connecting type steel concrete combined pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002061206A (en) * | 2000-08-16 | 2002-02-28 | Fujikasui Engineering Co Ltd | Built-up method of reinforced concrete tank by panel type part |
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2019
- 2019-04-09 CN CN201910278383.1A patent/CN109944363B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433479Y (en) * | 2009-02-04 | 2010-03-31 | 南通建筑工程总承包有限公司 | Vertical connection node of T-shaped shear wall |
| CN107938894A (en) * | 2017-12-12 | 2018-04-20 | 重庆渝隆远大住宅工业有限公司 | Overlap the T-shaped connecting node of exterior wall and its construction method |
| CN210049442U (en) * | 2019-04-09 | 2020-02-11 | 河南绿建建筑科技有限公司 | T-shaped node of threaded sleeve and short U-shaped steel connecting type steel concrete combined pipe |
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| CN109944363A (en) | 2019-06-28 |
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