CN114319642A - Vertical connecting node of assembled concrete shear wall and construction method - Google Patents
Vertical connecting node of assembled concrete shear wall and construction method Download PDFInfo
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- CN114319642A CN114319642A CN202210048305.4A CN202210048305A CN114319642A CN 114319642 A CN114319642 A CN 114319642A CN 202210048305 A CN202210048305 A CN 202210048305A CN 114319642 A CN114319642 A CN 114319642A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 200
- 239000010959 steel Substances 0.000 claims abstract description 200
- 238000003466 welding Methods 0.000 claims description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 238000009415 formwork Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The invention provides an assembled concrete shear wall vertical connecting node which is used for connecting an upper shear wall and a lower shear wall, wherein the upper shear wall and the lower shear wall are arranged in a vertical opposite mode and comprise first box section steel, second box section steel, first T-shaped steel and second T-shaped steel, the first box section steel is arranged at the bottom of the upper shear wall, the second box section steel is arranged at the top of the lower shear wall, the flange of the first T-shaped steel is arranged in an opposite mode and connected with the flange of the second T-shaped steel, the end portion of a web plate of the first T-shaped steel is connected with the first box section steel, and the end portion of the second T-shaped steel is connected with the second box section steel. The invention also provides a construction method of the vertical connecting node of the fabricated concrete shear wall. The invention reduces the construction error of the connecting node, simplifies the construction process, improves the construction speed and brings convenience to the subsequent structure construction.
Description
Technical Field
The invention relates to the technical field of fabricated buildings, in particular to a vertical connecting node of a fabricated concrete shear wall and a construction method.
Background
In order to promote the development of the fabricated building, the state has developed the planning of a plurality of fabricated buildings. The 'industrial building evaluation standard' released at the end of 2015 ensures that the fabricated building is comprehensively popularized nationwide; the compendium for the modern construction of the building industry establishes the target of the modern construction of the building industry, and makes the construction of the fabricated building make breakthrough progress.
The assembly type structure is widely accepted at home and abroad, mainly has the advantages of small on-site wet operation amount, high construction speed, high component quality, good economic and social environmental benefits and the like, saves building materials, and is beneficial to the sustainable development of society. Researches show that the beam-column node of the non-cast-in-place type also has good power transmission mechanism and energy consumption capability. The huge building demand, the improvement of energy-saving and environment-friendly requirements and the continuous increase of labor cost promote the fabricated concrete structure to become one of the technologies which are vigorously popularized in the building field of China in the future.
Compared with the traditional node, the assembled node can reduce the engineering cost and meet the requirements of energy conservation and consumption reduction. The assembled joint of dry type connection does not need cast in situ concrete in the building assembly process, and adopts the modes of bolts, welding, corbels and the like for connection, and the dry type connection has the advantages of simple and fast construction, good stability and high bearing capacity. However, the existing assembly type concrete shear wall dry-type connecting node has large installation error, complicated construction procedures and inconvenient installation.
Therefore, the invention provides the vertical dry-type connecting node of the fabricated concrete shear wall and the construction method, which realize simplification of the connecting node and facilitate installation of the node.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vertical connecting node of an assembled concrete shear wall and a construction method.
The invention provides an assembled concrete shear wall vertical connecting node which is used for connecting an upper shear wall and a lower shear wall, wherein the upper shear wall and the lower shear wall are arranged in a vertical opposite mode, the connecting node comprises first box section steel, second box section steel, first T-shaped steel and second T-shaped steel, the first box section steel is arranged at the bottom of the upper shear wall, the second box section steel is arranged at the top of the lower shear wall, the flange of the first T-shaped steel is arranged in an opposite mode and connected with the flange of the second T-shaped steel, the end portion of a web plate of the first T-shaped steel is connected with the first box section steel, and the end portion of the second T-shaped steel is connected with the second box section steel.
Further, the flange of the first T-shaped steel is connected with the flange of the second T-shaped steel through a bolt.
Further, the first T-shaped steel and the first box-shaped steel and the second T-shaped steel and the second box-shaped steel are connected through welding.
Furthermore, first channel steel is arranged on two sides of a web plate of the first T-shaped steel, second channel steel is arranged on two sides of a web plate of the second T-shaped steel, an upper side flange of the first channel steel is connected with the first box-shaped steel, a lower side flange of the second channel steel is connected with the second box-shaped steel, the first channel steel is further connected with the first T-shaped steel, and the second channel steel is further connected with the second T-shaped steel.
Furthermore, the first channel steel and the first box-shaped steel, and the second channel steel and the second box-shaped steel are connected in a welding mode.
Further, the web of the first T-shaped steel is connected with the first channel steel on two sides through bolts, and the web of the second T-shaped steel is connected with the second channel steel on two sides through bolts.
Further, the flange of the first T-shaped steel, the flange of the second T-shaped steel, the flanges of the first channel steel and the flanges of the second channel steel on two sides are connected through bolts.
Furthermore, the two sides of the first box-shaped steel and the second box-shaped steel are welded with vertically distributed reinforcing steel bars and embedded column longitudinal steel bars.
Furthermore, slotted holes are formed in the bolt connection positions of the first T-shaped steel, the second T-shaped steel, the first channel steel and the second channel steel.
The invention also provides a construction method of the vertical connecting node of the fabricated concrete shear wall, which comprises the following steps:
welding the first T-shaped steel and the first channel steel with the first box-shaped steel, and welding the second T-shaped steel and the second channel steel with the second box-shaped steel;
binding vertically distributed reinforcing steel bars with embedded column longitudinal bars and welding the vertically distributed reinforcing steel bars with the first box-shaped steel and the second box-shaped steel;
pouring concrete after formwork erecting, and performing prefabrication and molding;
hoisting the prefabricated shear wall in place;
and connecting and fixing the first T-shaped steel, the first channel steel, the second T-shaped steel and the second channel steel through bolts.
Compared with the prior art, the invention has the following beneficial effects:
1. the mode of combining welding and bolt connection simplifies the construction process, improves the construction speed and brings convenience to the subsequent structure construction.
2. The connecting node is provided with the slotted hole and adopts the crisscross abutted seam, so that the error generated in the installation process is reduced, and the positioning of the upper shear wall and the lower shear wall is more accurate.
3. The vertical connection nodes of the assembled concrete shear wall are adopted, so that the energy consumption of building construction is reduced, the carbon emission is reduced, and the technical requirements of green construction are met.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a three-dimensional schematic view of a vertical connection node of an assembled concrete shear wall according to an embodiment of the invention;
FIG. 2 is a detailed internal view of a vertical connection node of an assembled concrete shear wall according to an embodiment of the invention;
FIG. 3 is a side view of an assembled concrete shear wall vertical connection node of an embodiment of the present invention;
fig. 4 is a partial detailed view of a vertical connection node of an assembled concrete shear wall according to an embodiment of the invention.
In the figure, the position of the upper end of the main shaft,
11-an upper shear wall, wherein the shear wall is arranged on the upper wall,
12-a lower shear wall, wherein the shear wall is arranged on the lower wall,
21-the first box-section steel,
22-a second box-shaped steel,
31-a first T-shaped steel,
32-second T-section steel
41-a first channel steel, wherein the first channel steel,
42-a second channel of steel, the second channel of steel,
5-vertically distributing the reinforcing steel bars,
6-horizontally distributing the reinforcing steel bars,
7-the hidden column longitudinal bar,
8-hidden column stirrup;
9-bolt.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention provides a vertical connecting node of an assembled concrete shear wall, which is used for connecting an upper shear wall 11 and a lower shear wall 12 as shown in fig. 1 and 4, wherein the upper shear wall 11 and the lower shear wall 12 are arranged oppositely up and down. The inboard of going up shear wall 11 is equipped with first box section steel 21 by the bottom position, the inboard of lower shear wall 12 is equipped with second box section steel 22 by the top position, be equipped with first T shaped steel 31 and second T shaped steel 32 between first box section steel 21 and the second box section steel 22, the flange of first T shaped steel 31 and the flange of second T shaped steel 32 set up relatively, the web tip and the first box section steel 21 welded connection of first T shaped steel 31, the web tip and the second box section steel 22 welded connection of second T shaped steel 32.
The two sides of the web plate of the first T-shaped steel 31 are respectively provided with a first channel steel 41, the two sides of the web plate of the second T-shaped steel 32 are respectively provided with a second channel steel 42, one side flange of the first channel steel 41 is welded with the first box-shaped steel 21, and one side flange of the second channel steel 42 is welded with the second box-shaped steel 22. The web of the first T-shaped steel 31 is connected with the webs of the first channel steels 41 at two sides through bolts, and the web of the second T-shaped steel 32 is connected with the webs of the second channel steels 42 at two sides through bolts. The flanges of the first T-section steel 31 and the second T-section steel 32 are connected to the flanges of the first channel steel 41 and the second channel steel 42 on both sides by bolts.
As shown in fig. 4, in order to reduce the installation error, slots are provided at the bolt joints of the first T-section steel 31, the first channel steel 41, the second T-section steel 32, and the second channel steel 42, and the slots are in a cross-shaped splicing manner, that is, the slots at the joints of the channel steel and the T-section steel are respectively in two directions and are respectively in a shape of a straight line.
In this embodiment, the bolts 9 used for connection are all high-strength bolts.
In order to reduce the damage of bending moment to the upper shear wall 11 and the lower shear wall 12, vertically distributed reinforcing steel bars 5 and embedded column longitudinal steel bars 7 are welded on two sides of the first box-shaped steel 21 and the second box-shaped steel 22.
The construction method of the vertical connecting node of the fabricated concrete shear wall in the embodiment specifically comprises the following steps:
in a factory, welding a first T-shaped steel 31 with a first box-shaped steel 21 and a second T-shaped steel 32 with a second box-shaped steel 22, and welding flanges of first channel steels 41 at two sides with the first box-shaped steel 21 and the second channel steels 42 with the second box-shaped steel 22;
arranging the vertically distributed reinforcing steel bars 5 and the hidden column longitudinal bars 7 on the front side and the rear side of the first box-shaped steel 21 and the second box-shaped steel 22, welding and fixing the vertically distributed reinforcing steel bars and the hidden column longitudinal bars 7, vertically fixing and binding the hidden column stirrups 8 and the hidden column longitudinal bars 7, and finishing binding the horizontally distributed reinforcing steel bars 6 with the vertically distributed reinforcing steel bars 5 and the hidden column longitudinal bars 7;
erecting a formwork and pouring concrete, and prefabricating and forming an upper shear wall 11 and a lower shear wall 12;
transporting and hoisting the prefabricated upper shear wall 11 and the prefabricated lower shear wall 12 to the positions specified by the design, and placing the high-strength bolts 9 required to be used;
the first and second channel steels 41 and 42 are connected and fixed to the first and second T-sections 31 and 32 by bolts 9 through cross-shaped slots.
The invention also discloses a specific embodiment of the vertical connecting node of the fabricated concrete shear wall, in the embodiment, the total size of the fabricated concrete shear wall is 2800 multiplied by 1700 multiplied by 200mm, and the sections of the hidden columns at two ends are 400 multiplied by 200 mm. The hidden column area in the shear wall is provided with 6 reinforcing steel bars with phi 16 longitudinal bars, the hidden column hoop is phi 10@100, and the double-limb hoop is formed. The horizontal distribution ribs and the vertical distribution ribs of the shear wall adopt twisted steel bars with phi 14@100, and the number of the rows is 2 along the width direction of the section. The first box section steel 21 and the second box section steel 22 are made of Q345 steel with the model number of HN400 multiplied by 100 multiplied by 10; q345 steel is adopted as the first T-shaped steel 31 and the second T-shaped steel 32, and the model is TN600 multiplied by 200 multiplied by 20; the first channel steel 41 and the second channel steel 42 are made of Q345 steel, and the model is [180 multiplied by 90 multiplied by 10 ]. The high-strength bolt is 10.9-grade, the diameter is 12mm, and the distance is 150 mm.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a vertical connected node of assembled concrete shear force wall for go up the connection of shear force wall and lower shear force wall, go up the shear force wall with relative setting from top to bottom down of shear force wall, its characterized in that includes first box shaped steel, second box shaped steel, first T shaped steel, second T shaped steel, first box shaped steel is located go up the bottom of shear force wall, second box shaped steel is located the top of shear force wall down, the edge of a wing of first T shaped steel with the edge of a wing of second T shaped steel sets up relatively and connects, the web tip of first T shaped steel with first box shaped steel is connected, the tip of second T shaped steel with second box shaped steel is connected.
2. The fabricated concrete shear wall vertical connection node of claim 1, wherein the flange of the first T-section steel is connected with the flange of the second T-section steel through a bolt.
3. The fabricated concrete shear wall vertical connecting node according to claim 1, wherein the first T-shaped steel and the first box-shaped steel and the second T-shaped steel and the second box-shaped steel are connected through welding.
4. The fabricated concrete shear wall vertical connection node of claim 1, wherein first channel steel is arranged on two sides of a web plate of the first T-shaped steel, second channel steel is arranged on two sides of a web plate of the second T-shaped steel, an upper flange of the first channel steel is connected with the first box-shaped steel, a lower flange of the second channel steel is connected with the second box-shaped steel, the first channel steel is further connected with the first T-shaped steel, and the second channel steel is further connected with the second T-shaped steel.
5. The fabricated concrete shear wall vertical connection node of claim 4, wherein the first channel steel is welded to the first box steel and the second channel steel is welded to the second box steel.
6. The fabricated concrete shear wall vertical connection node of claim 4, wherein a web of the first T-shaped steel is connected with the first channel steel on two sides through bolts, and a web of the second T-shaped steel is connected with the second channel steel on two sides through bolts.
7. The fabricated concrete shear wall vertical connection node as claimed in claims 2 and 6, wherein flanges of the first T-section steel and flanges of the second T-section steel are connected with flanges of the first channel steel and flanges of the second channel steel on two sides through bolts.
8. The fabricated concrete shear wall vertical connecting node according to claim 1, wherein two sides of the first box section steel and the second box section steel are welded with vertical distribution steel bars and embedded column longitudinal bars.
9. The fabricated concrete shear wall vertical connection node of claim 7, wherein slotted holes are formed at bolt connections of the first T-shaped steel, the second T-shaped steel, the first channel steel and the second channel steel.
10. The construction method of the vertical connection node of the fabricated concrete shear wall according to any one of claims 1 to 9, wherein the construction method comprises the following steps:
welding the first T-shaped steel and the first channel steel with the first box-shaped steel, and welding the second T-shaped steel and the second channel steel with the second box-shaped steel;
binding vertically distributed reinforcing steel bars with embedded column longitudinal bars and welding the vertically distributed reinforcing steel bars with the first box-shaped steel and the second box-shaped steel;
pouring concrete after formwork erecting, and performing prefabrication and molding;
hoisting the prefabricated shear wall in place;
and connecting and fixing the first T-shaped steel, the first channel steel, the second T-shaped steel and the second channel steel through bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210048305.4A CN114319642A (en) | 2022-01-17 | 2022-01-17 | Vertical connecting node of assembled concrete shear wall and construction method |
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| CN202210048305.4A CN114319642A (en) | 2022-01-17 | 2022-01-17 | Vertical connecting node of assembled concrete shear wall and construction method |
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| CN114319642A true CN114319642A (en) | 2022-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387511A (en) * | 2022-08-23 | 2022-11-25 | 中国矿业大学 | Quickly-assembled multi-cavity concrete filled steel tube shear wall |
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| WO2014073838A1 (en) * | 2012-11-07 | 2014-05-15 | 조선대학교 산학협력단 | Reinforcement apparatus for h-shaped steel beam column, and method for reinforcing h-shaped steel beam column using same |
| CN106168057A (en) * | 2016-08-30 | 2016-11-30 | 河北建筑工程学院 | A kind of assembled steel lath band combined concrete shear wall and making construction method thereof |
| CN207863299U (en) * | 2018-01-04 | 2018-09-14 | 北京华正弘远工程技术有限公司 | Reinforcement structure for H profile steel |
| CN109138167A (en) * | 2018-07-23 | 2019-01-04 | 同济大学 | A kind of construction method of the adjustable removable concrete shear force wall of bearing capacity |
| CN110439141A (en) * | 2019-07-26 | 2019-11-12 | 广州大学 | It is a kind of for fabricated shear wall can tolerance steel section jointing structure |
-
2022
- 2022-01-17 CN CN202210048305.4A patent/CN114319642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014073838A1 (en) * | 2012-11-07 | 2014-05-15 | 조선대학교 산학협력단 | Reinforcement apparatus for h-shaped steel beam column, and method for reinforcing h-shaped steel beam column using same |
| CN106168057A (en) * | 2016-08-30 | 2016-11-30 | 河北建筑工程学院 | A kind of assembled steel lath band combined concrete shear wall and making construction method thereof |
| CN207863299U (en) * | 2018-01-04 | 2018-09-14 | 北京华正弘远工程技术有限公司 | Reinforcement structure for H profile steel |
| CN109138167A (en) * | 2018-07-23 | 2019-01-04 | 同济大学 | A kind of construction method of the adjustable removable concrete shear force wall of bearing capacity |
| CN110439141A (en) * | 2019-07-26 | 2019-11-12 | 广州大学 | It is a kind of for fabricated shear wall can tolerance steel section jointing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387511A (en) * | 2022-08-23 | 2022-11-25 | 中国矿业大学 | Quickly-assembled multi-cavity concrete filled steel tube shear wall |
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Application publication date: 20220412 |