CN112663824A - Assembled spliced corrugated steel plate concrete combined shear wall and manufacturing method thereof - Google Patents
Assembled spliced corrugated steel plate concrete combined shear wall and manufacturing method thereof Download PDFInfo
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- CN112663824A CN112663824A CN202011477464.3A CN202011477464A CN112663824A CN 112663824 A CN112663824 A CN 112663824A CN 202011477464 A CN202011477464 A CN 202011477464A CN 112663824 A CN112663824 A CN 112663824A
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Abstract
The invention provides an assembled spliced corrugated steel plate concrete combined shear wall and a manufacturing method thereof, wherein the shear wall comprises steel pipe concrete columns and steel beam node connecting pieces, vertically stacked corrugated steel plate groups are arranged between the steel pipe concrete columns, adjacent corrugated steel plate groups are respectively and fixedly connected with a middle partition plate, and the middle partition plate is provided with a through hole; the corrugated steel plate group comprises a first corrugated steel plate and a second corrugated steel plate, a cavity is arranged between the first corrugated steel plate and the second corrugated steel plate, and concrete is filled in the cavity; the upper ends of the steel tube concrete columns and the upper ends of the steel beam node connecting pieces are connected through interlayer steel partition plates, the lower ends of the steel tube concrete columns are connected through interlayer steel partition plates, and reinforcing steel bars penetrate through the interlayer steel partition plates and extend downwards or upwards into the cavity; holes are formed in the interlayer steel partition plates. According to the technical scheme, the stability of the member is good during construction, concrete can be poured while construction is carried out, the construction difficulty is reduced, and the construction speed is increased.
Description
Technical Field
The invention belongs to the technical field of shear walls, and particularly relates to an assembled spliced corrugated steel plate concrete combined shear wall and a manufacturing method thereof.
Background
Corrugated steel plates are used in shear walls as steel members, are mostly applied to middle-low-rise buildings at present, and are less applied to high-rise building engineering and difficult to embody the characteristics of fabricated buildings due to the complex construction process, numerous bolts, incomplete research, obvious defects and the like. The existing corrugated steel plate composite shear wall generally adopts vertically placed double-layer corrugated steel plates, the double-layer corrugated steel plates are connected through split bolts, and after the steel plates and end columns on two sides are welded to form a closed cavity, concrete is poured into the corrugated steel plates to form the shear wall. This approach has the following disadvantages:
1) the split bolts are more, need on-the-spot screwing up, and construction work volume is big, and the degree of tightness of bolt needs control, and the precision of split bolt hole size position needs control, greatly increased the construction degree of difficulty.
2) The tensile properties of the shear wall in the horizontal direction are weakened due to the vertical corrugated accordion effect.
3) Shear wall stability is relatively poor in the work progress, and yielding leads to the structure impaired, can't be under construction while concreting, reduces construction speed indirectly.
Disclosure of Invention
Aiming at the technical problems, the invention discloses an assembled spliced corrugated steel plate concrete combined shear wall and a manufacturing method thereof.
In contrast, the technical scheme adopted by the invention is as follows:
an assembled spliced corrugated steel plate concrete combined shear wall,
the steel tube concrete column comprises steel tube concrete columns and steel beam node connecting pieces, wherein corrugated steel plate groups which are vertically stacked are arranged between the steel tube concrete columns, the upper and lower adjacent corrugated steel plate groups are respectively and fixedly connected with a middle partition plate which is transversely arranged, and the middle partition plate is provided with a through hole;
the corrugated steel plate group comprises a first corrugated steel plate and a second corrugated steel plate, a cavity is arranged between the first corrugated steel plate and the second corrugated steel plate, and concrete is filled in the cavity;
the upper ends of the steel tube concrete columns and the upper ends of the steel beam node connecting pieces are connected through interlayer steel partition plates positioned above the corrugated steel plate groups, the lower ends of the steel tube concrete columns are connected through interlayer steel partition plates positioned below the corrugated steel plate groups, floor connection reinforcing belts are arranged at junctions of the interlayer steel partition plates and the outer side surfaces of the corrugated steel plate groups, and reinforcing steel bars penetrate through the interlayer steel partition plates and extend downwards or upwards into the cavity; holes are formed in the interlayer steel partition plates.
By adopting the technical scheme, the intermediate partition plates are arranged at certain intervals to replace the split bolts, obviously strengthen the constraint on the double-layer corrugated steel plate and enhance the boundary conditions, so that the double-layer corrugated steel plate is equivalently fixed, and the axial compression and shearing buckling performance of the corrugated steel plate can be obviously improved; the work of screwing the bolts is reduced in the construction process, so that the construction workload is saved; the middle partition plate bears the horizontal tensile stress, and the horizontal stress reliability of the shear wall is improved. And the intermediate baffle is provided with the through holes, so that concrete can smoothly pass through and fill each corrugated steel plate cavity separated by the baffle, and meanwhile, the baffles and the through holes are arranged at certain intervals, so that the sinking resistance of coarse aggregates in the concrete is increased, the coarse aggregates are distributed more uniformly, the coarse aggregates are prevented from excessively sinking, and the concrete is more favorable for layered pouring.
In the implementation process, the shear walls can be stacked layer by layer and welded, so that when the shear walls are installed, the corrugated steel plate at the bottom of the upper layer of shear wall and the interlayer steel partition plate at the top of the lower layer of shear wall can be welded on site.
As a further improvement of the invention, the interlayer steel clapboard is provided with a reserved hole for the steel bar to pass through and be welded and positioned.
As a further improvement of the invention, the outer side of the middle partition plate is provided with a convex part. By adopting the technical scheme, the protruding part can be used as a fulcrum for mounting the veneer and a fulcrum for hoisting the component, so that hoisting construction is facilitated.
As a further improvement of the present invention, the first and second deck plates are a zigzag deck plate or a curved deck plate. Further, the fold line type corrugated steel plate is an open fold line type corrugated steel plate or a reduced fold line type corrugated steel plate.
Further, the first corrugated steel plate and the second corrugated steel plate are trapezoidal corrugated steel plates or corrugated steel plates with other shapes.
Further, the corrugated steel plate group is of a double-layer corrugated steel plate structure.
As a further improvement of the invention, the through hole is a round hole.
As a further improvement of the invention, the through holes are uniformly distributed on the intermediate partition plate.
As a further improvement of the invention, the fabricated spliced corrugated steel plate concrete combined shear wall can be fabricated into various required shapes according to requirements.
The invention discloses a manufacturing method of an assembled spliced corrugated steel plate concrete combined shear wall, which comprises the following steps:
firstly arranging an interlayer steel partition plate between the bottoms of the steel tube concrete columns, arranging a corrugated steel plate group above the interlayer steel partition plate, arranging a floor slab connection reinforcing belt at the junction of the upper part of the interlayer steel partition plate and the outer side surface of the corrugated steel plate group, arranging a middle partition plate between the upper corrugated steel plate group and the lower corrugated steel plate group, and respectively welding a first corrugated steel plate and a second corrugated steel plate of the corrugated steel plate group with the middle partition plate;
arranging an interlayer steel partition plate between the upper ends of the steel tube concrete columns, connecting the upper ends of the steel tube concrete columns with the interlayer steel partition plates, connecting the upper ends of the steel beam node connecting pieces with the interlayer steel partition plates, and arranging a floor slab connection reinforcing band at the junction of the interlayer steel partition plates and the outer side surface of the corrugated steel plate group;
the reinforcing steel bars extend downwards or upwards into the cavity from the interlayer steel partition plate;
and pouring concrete, so that the concrete flows downwards into the cavity of the corrugated steel plate group from the holes of the interlayer steel partition plates and flows downwards into the cavity of the corrugated steel plate group of the next layer through the through holes of the middle partition plate.
As a further improvement of the invention, after the reinforcing steel bars extend downwards or upwards into the cavity from the interlayer steel partition plate, the reinforcing steel bars are welded with the reserved holes of the interlayer steel partition plate.
Compared with the prior art, the invention has the beneficial effects that:
firstly, according to the technical scheme, the middle partition plates with the through holes are arranged at intervals of a certain vertical distance on the corrugated steel plate, all split bolts are directly omitted, split bolt holes do not need to be arranged on the corrugated steel plate, the precision requirement of punching positions does not exist, the parts are connected through welding, the welding amount is relatively small, the construction is more convenient, all the components can be subjected to standardized design, industrial production, assembly construction and information management, and the ultrahigh assembly rate is realized.
Secondly, by adopting the technical scheme of the invention, the tensile property of the shear wall in the horizontal direction is compensated by the horizontal tension of the middle partition plate with the through hole, the positioning requirement of the bolt hole is avoided, the stability of the member is good during construction, the construction can be carried out while concrete is poured, the construction difficulty is reduced, and the construction speed is increased. And the shear wall can be spliced into various shapes required by the shear wall, and the plane arrangement mode is flexible.
Drawings
Fig. 1 is an exploded structural schematic view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 1 of the present invention.
Fig. 2 is a schematic front structural view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 1 of the present invention.
Fig. 3 is a schematic side view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 1 of the present invention.
Fig. 4 is a top view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 1 of the present invention.
Fig. 5 is a schematic front view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 2 of the present invention.
Fig. 6 is a top view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 2 of the present invention.
Fig. 7 is a schematic front view of an assembled spliced corrugated steel plate concrete composite shear wall according to embodiment 3 of the present invention.
Fig. 8 is a top view of a fabricated spliced corrugated steel plate concrete composite shear wall according to embodiment 3 of the present invention.
Fig. 9 is a plan view of an assembled spliced corrugated steel plate concrete composite shear wall according to example 4 of the present invention, wherein a) is a broken line type, b) is an L-shape, c) is a cross shape, d) is a T-shape, and e) is a door shape.
The reference numerals include:
1-a steel pipe concrete column, 2-a corrugated steel plate group, 3-a middle partition plate, 4-an interlayer steel partition plate, 5-a floor slab connection reinforcing belt, 6-a steel beam node connecting piece and 7-a steel bar;
21-a first corrugated steel plate, 22-a second corrugated steel plate, 31-through holes, 41-holes and 42-reserved holes.
Detailed Description
Preferred embodiments of the present invention are described in further detail below.
Example 1
As shown in fig. 1 to 4, an assembled spliced corrugated steel plate concrete composite shear wall includes upright steel tube concrete columns 1, corrugated steel plate groups 2 vertically stacked are arranged between the upright steel tube concrete columns 1, the upper and lower adjacent corrugated steel plate groups 2 are respectively connected with a middle partition plate 3 transversely arranged, and a through hole 31 is formed in the middle partition plate 3; the middle partition plate 3 is a steel partition plate.
The corrugated steel plate group 2 is a double-layer corrugated steel plate and specifically comprises a first corrugated steel plate 21 and a second corrugated steel plate 22, a cavity is arranged between the first corrugated steel plate 21 and the second corrugated steel plate 22, and concrete is filled in the cavity; the first and second deck plates 21 and 22 are connected to the adjacent intermediate bulkheads 3 by welding.
The upper ends and the lower ends of the steel tube concrete columns 1 and the upper ends of the steel beam node connecting pieces 6 are connected through interlayer steel partition plates 4 respectively, holes 41 are formed in the interlayer steel partition plates 4, floor slab connection reinforcing strips 5 are arranged at junctions of the interlayer steel partition plates 4 and the outer side faces of the corrugated steel plate groups 2, and reinforcing steel bars 7 extend downwards and upwards into cavities of the corrugated steel plate groups 2 from the interlayer steel partition plates 4. And a reserved hole 42 for the steel bar 7 to pass through and be welded and positioned is formed in the interlayer steel partition plate 4, and the steel bar 7 is connected with the reserved hole 42 through welding.
Further, the through holes 31 are round holes, and the through holes 31 are uniformly distributed on the middle partition plate 3. The outer side of the middle partition plate 3 is provided with a protruding part which can be used as a fulcrum for mounting the veneer and a fulcrum for hoisting the component, so that hoisting construction is facilitated.
In this embodiment, the first and second deck plates 21 and 22 are open-folding deck plates.
The manufacturing method of the shear wall comprises the following steps:
arranging interlayer steel partition plates 4 between the bottoms of the steel tube concrete columns 1, stacking corrugated steel plate groups 2 above the interlayer steel partition plates 4, arranging floor slab connection reinforcing belts 5 at the junctions of the upper parts of the interlayer steel partition plates 4 and the outer sides of the corrugated steel plate groups 2, arranging middle partition plates 3 between the upper corrugated steel plate groups 2 and the lower corrugated steel plate groups 2, and respectively connecting a first corrugated steel plate 21 and a second corrugated steel plate 22 of each corrugated steel plate group 2 with the middle partition plates 3;
the top of the steel tube concrete column 1 is connected with an interlayer steel partition plate 4, and the upper ends of the steel beam node connecting pieces 6 are connected through the interlayer steel partition plate 4; a floor slab connection reinforcing belt is arranged at the junction of the interlayer steel partition plate 4 and the outer side surface of the corrugated steel plate group 2;
the reinforcing steel bars 7 extend downwards or upwards into the cavity from the reserved holes 42 of the interlayer steel partition plates 4, then the reinforcing steel bars 7 are welded with the reserved holes 42 of the interlayer steel partition plates 4, namely the reinforcing steel bars 7 are welded in the reserved holes 42 in the interlayer steel partition plates 4, and the reserved holes 42 are used for the reinforcing steel bars 7 to penetrate through and are welded and positioned, so that the construction time is saved.
And pouring concrete, so that the concrete flows downwards into the cavity of the corrugated steel plate group 2 from the holes 41 of the interlayer steel partition plates 4 and flows downwards into the cavity of the corrugated steel plate group 2 of the next layer through the through holes 31 of the middle partition plates 3. All the steel parts which are not mentioned in the embodiment are connected by welding.
Example 2
As shown in fig. 5 and 6, in the present embodiment, based on embodiment 1, the first and second deck plates 21 and 22 are reduced-fold-line-type deck plates.
Example 3
As shown in fig. 7 and 8, in the present embodiment, the first deck plate 21 and the second deck plate 22 are curved deck plates in addition to embodiment 1.
Example 4
As shown in fig. 9, the fabricated spliced corrugated steel plate concrete composite shear wall can be fabricated into various required shapes according to requirements, such as a broken line type of fig. 9 a), an L type of 9 b), a cross type of 9 c), a T type of 9 d), and a door type of 9 e), and is convenient to construct.
By adopting the technical scheme of the embodiment, the traditional split bolt connection is not needed, and the middle partition plates with the round holes are arranged at a certain interval to replace the split bolts, remarkably strengthen the constraint on the double-layer corrugated steel plate, strengthen the boundary condition, equivalently fix the double-layer corrugated steel plate and remarkably improve the axial compression and shearing buckling performance of the corrugated steel plate; the work of screwing the bolts is not needed in the construction process, and the construction workload is saved. The corrugated steel plates are welded on the partition plate with the circular holes and are more reliably connected with the partition plate with the circular holes than the corrugated steel plates through split bolts, meanwhile, the corrugated steel plates of the shear wall can be regarded as corrugated steel web beams which are stacked layer by layer along the height direction, and the steel shell has better stability than that of a steel shell of a common corrugated steel plate concrete combined shear wall obviously, and can bear larger construction load before concrete is condensed; the composite shear wall overcomes the defect that the horizontal tensile property of a member is obviously weakened due to the accordion effect of corrugations in the horizontal direction of the corrugated steel plate concrete composite shear wall, and the horizontal tensile stress is borne by the intermediate partition plate, so that the reliability of the horizontal stress of the shear wall is improved.
In addition, the intermediate partition plates with the circular holes are arranged at certain intervals, so that concrete can smoothly pass through and fill the cavities of each corrugated steel plate group separated by the intermediate partition plates, and meanwhile, the intermediate partition plates and the circular holes of the intermediate partition plates arranged at certain intervals increase the sinking resistance of coarse aggregates in the concrete, so that the coarse aggregates are distributed more uniformly, the coarse aggregates are prevented from being excessively sunk, and the layered pouring of the concrete is facilitated. The middle partition plate with the round holes is adopted, so that although the steel consumption is relatively increased, the welding requirement is increased, a large amount of work of connecting the split bolts and positioning and punching the steel plate is omitted, and the process is simplified. And along the welding seam of the corrugated steel plate, a part of welding residual stress is discharged due to the characteristic that the rigidity of the corrugated steel plate in the horizontal direction is small, so that the negative influence on the shear wall is smaller.
Finally, all the components of the shear wall in the embodiment can be subjected to standardized design, industrial production, assembly construction and informatization management, and ultrahigh assembly rate is realized.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. The utility model provides an assembled concatenation corrugated steel plate concrete composite shear wall which characterized in that: the steel tube concrete column comprises steel tube concrete columns and steel beam node connecting pieces, wherein corrugated steel plate groups which are vertically stacked are arranged between the steel tube concrete columns, the upper and lower adjacent corrugated steel plate groups are respectively and fixedly connected with a middle partition plate which is transversely arranged, and the middle partition plate is provided with a through hole;
the corrugated steel plate group comprises a first corrugated steel plate and a second corrugated steel plate, a cavity is arranged between the first corrugated steel plate and the second corrugated steel plate, and concrete is filled in the cavity;
the upper ends of the steel tube concrete columns and the upper ends of the steel beam node connecting pieces are connected through interlayer steel partition plates positioned above the corrugated steel plate groups, the lower ends of the steel tube concrete columns are connected through interlayer steel partition plates positioned below the corrugated steel plate groups, floor connection reinforcing belts are arranged at junctions of the interlayer steel partition plates and the outer side surfaces of the corrugated steel plate groups, and reinforcing steel bars penetrate through the interlayer steel partition plates and extend downwards or upwards into the cavity; holes are formed in the interlayer steel partition plates.
2. The fabricated spliced corrugated steel plate concrete composite shear wall of claim 1, wherein: and reserved holes for the steel bars to penetrate through and be welded and positioned are formed in the interlayer steel partition plates.
3. The fabricated spliced corrugated steel plate concrete composite shear wall of claim 1, wherein: and a convex part is arranged on the outer side of the middle partition plate.
4. The fabricated spliced corrugated steel plate concrete composite shear wall of claim 1, wherein: the first corrugated steel plate and the second corrugated steel plate are broken line type corrugated steel plates or curve type corrugated steel plates.
5. The fabricated spliced corrugated steel plate concrete composite shear wall as claimed in any one of claims 1 to 4, wherein: the through hole is a round hole.
6. The fabricated spliced corrugated steel plate concrete composite shear wall of claim 5, wherein: the through holes are uniformly distributed on the middle partition plate.
7. The manufacturing method of the assembled spliced corrugated steel plate concrete combined shear wall as claimed in any one of claims 1 to 6, comprising the following steps of:
firstly arranging an interlayer steel partition plate between the bottoms of the steel tube concrete columns, arranging a corrugated steel plate group above the interlayer steel partition plate, arranging a floor slab connection reinforcing belt at the junction of the upper part of the interlayer steel partition plate and the outer side surface of the corrugated steel plate group, arranging a middle partition plate between the upper corrugated steel plate group and the lower corrugated steel plate group, and respectively welding a first corrugated steel plate and a second corrugated steel plate of the corrugated steel plate group with the middle partition plate;
arranging an interlayer steel partition plate between the upper ends of the steel tube concrete columns, connecting the upper ends of the steel tube concrete columns with the interlayer steel partition plates, connecting the upper ends of the steel beam node connecting pieces with the interlayer steel partition plates, and arranging a floor slab connection reinforcing band at the junction of the interlayer steel partition plates and the outer side surface of the corrugated steel plate group;
the reinforcing steel bars extend downwards or upwards into the cavity from the interlayer steel partition plate;
and pouring concrete, so that the concrete flows downwards into the cavity of the corrugated steel plate group from the holes of the interlayer steel partition plates and flows downwards into the cavity of the corrugated steel plate group of the next layer through the through holes of the middle partition plate.
8. The method for manufacturing the fabricated spliced corrugated steel plate concrete composite shear wall according to claim 7, comprising the following steps of: and after the reinforcing steel bars extend downwards or upwards into the cavity from the interlayer steel partition plate, the reinforcing steel bars and the reserved holes of the interlayer steel partition plate are welded.
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| CN113431412A (en) * | 2021-07-01 | 2021-09-24 | 重庆大学 | Assembled double-layer corrugated steel plate composite shear wall and splicing method thereof |
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| CN116497976A (en) * | 2023-06-28 | 2023-07-28 | 华侨大学 | Double-steel-plate-concrete combined shear wall connection node structure and connection construction method |
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