CN115613737A - Prefabricated shear wall of partial concrete steel component unit - Google Patents
Prefabricated shear wall of partial concrete steel component unit Download PDFInfo
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- CN115613737A CN115613737A CN202111240825.7A CN202111240825A CN115613737A CN 115613737 A CN115613737 A CN 115613737A CN 202111240825 A CN202111240825 A CN 202111240825A CN 115613737 A CN115613737 A CN 115613737A
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Abstract
The invention relates to a partial concrete steel member unit prefabricated shear wall which comprises a wall member, wherein two sides of the wall member are provided with two parallel steel-concrete combined columns, the upper end and the lower end of the wall member are respectively connected with a conversion member, the middle part of the wall member is provided with at least one concrete-coated steel PEC steel-concrete combined beam, and two ends of the PEC steel-concrete combined beam are respectively connected and fixed with the two steel-concrete combined columns. The invention has reasonable structure, can improve the fire resistance, corrosion resistance, bearing capacity and quick assembly.
Description
Technical Field
The invention relates to the technical field of building accessories, in particular to a unit prefabricated shear wall with steel-concrete combined components at the edges.
Background
The steel plate shear wall structure technology is widely applied to multi-story and high-rise buildings, is mainly used as a lateral force resistant member for engineering application, and generally comprises steel columns at two vertical side edges or a steel-concrete combined column, a steel plate embedded in the middle and the like. However, when the traditional steel plate shear wall is applied to engineering, the traditional steel plate shear wall generally does not bear vertical load and only bears horizontal load; and most edge members are steel pipe concrete or pure steel members, the fire-proof and corrosion-resistant treatment is difficult, the problems are more obvious when the coating is particularly applied to steel structure houses, the problem that the building is not matched with the structure is easily caused, the wet workload of the coating structure is large, and the bottleneck of large-area engineering application is influenced.
Disclosure of Invention
Aiming at the problems of the existing steel plate shear wall, the invention provides the unit prefabricated shear wall which is reasonable in structure and provided with the steel-concrete combined components at the edges, and the unit prefabricated shear wall can improve the fire resistance, corrosion resistance, bearing capacity and quick assembly.
In order to achieve the purpose, the invention provides the following technical scheme:
the partial concrete steel component unit prefabricated shear wall comprises a wall body component, wherein two sides of the wall body component are provided with two parallel steel-concrete combined columns, the upper end and the lower end of the wall body component are respectively connected with a conversion component, the middle part of the wall body component is provided with at least one concrete-coated steel PEC steel-concrete combined beam, and two ends of the PEC steel-concrete combined beam are respectively connected and fixed with the two steel-concrete combined columns; the steel-concrete composite column comprises a sub-shaped steel member and a concrete column, wherein the sub-shaped steel member comprises two wing plates and two middle webs for connecting the two wing plates, a structural steel bar and the concrete column are respectively arranged in a groove formed by the middle webs and the two wing plates and a hollow groove between the two middle webs, the surface of the concrete column in the groove is flush with the edges of the two wing plates, and a side surface mounting space is arranged between the end surfaces of two ends of the concrete column and the end surface of the sub-shaped steel member; the PEC steel-concrete composite beam comprises an H-shaped steel member and a concrete column, constructional steel bars and the concrete column are respectively arranged in grooves on two sides of the H-shaped steel member, and the surface of the concrete column is flush with the outer side edge of the H-shaped steel; the wall body component comprises a steel component and a concrete plate, the steel component is positioned on the inner side of the space of the wall body component and is fixedly connected with the inverted V-shaped steel component of the steel-concrete composite column, the PEC steel-concrete composite beam H-shaped steel component and the conversion component, the concrete plate is fixed on each of two sides of the steel component, and the concrete plate is positioned on the outer side of the space of the wall body component.
In the scheme, the novel steel-concrete combined member with the edge member of the concrete-coated steel structure can be used for achieving that the unit prefabricated steel plate shear wall can bear vertical load and horizontal load; the novel steel-concrete combined column with concrete-coated herringbone profile steel on the two vertical sides is a novel steel-concrete combined beam with concrete-coated H-shaped steel on the upper side and the lower side, and the edge components are steel-concrete combined components, so that the fireproof and anticorrosive problems are solved while the vertical bearing capacity of the unit prefabricated steel plate shear wall is improved; the constructional steel bar can be a finished steel bar mesh or a common stirrup and is welded in the groove or the empty groove, then concrete is poured, and the concrete can be common concrete, light aggregate concrete, self-compacting concrete, high-strength concrete, light foaming concrete and other concrete materials; the steel-concrete composite column and the steel-concrete composite beam can be connected through all-welded connection, bolt-welded hybrid connection or all-bolt connection.
Optionally, the conversion component is a T-shaped conversion component, the conversion component includes a fixing plate and a connecting plate, two ends of the fixing plate and the connecting plate are respectively and fixedly connected to the two steel-concrete composite columns, a middle installation space is arranged between the surface of the fixing plate and the end surface of the steel-concrete composite column, and the connecting plate is arranged in the middle installation space and is vertically fixed to the fixing plate. In this scheme, the concatenation about the combined member middle part of unit precast shear wall can weld, also can bolted connection, and when adopting bolted connection, accessible T type component changes, then adopts the mode of high-strength bolt to connect.
Optionally, a connecting hole is formed in a position, located in the side mounting space, of the middle web plate, and a plurality of connecting holes are formed in the connecting plate. In the scheme, when the web plate and the connecting plate need to be connected at two ends of the unit prefabricated shear wall, the connecting holes can be penetrated by bolts, and the unit prefabricated shear wall is fixedly connected with other unit prefabricated shear walls, embedded parts and the like by the connecting plate parts.
Optionally, two sides of the two steel-concrete composite columns are respectively provided with a connecting bracket consistent with the PEC steel-concrete composite beam steel member, and the connecting bracket is arranged in a manner of being matched with the PEC steel-concrete composite beam. The connecting bracket is used for fixedly connecting the unit prefabricated shear wall with other building facilities such as a structural beam and the like on the side surface.
Optionally, the steel assembly of the wall member is a corrugated steel plate, the corrugated steel plate is provided with through holes, and the concrete plates on two sides of the steel assembly are fixedly connected with each other through studs penetrating through the through holes of the corrugated steel plate.
Optionally, the steel assembly of the wall member is a single steel plate or a stiffening single steel plate, the T-shaped conversion member is integrated with the single steel plate or the stiffening single steel plate, the single steel plate or the stiffening single steel plate is provided with a through hole, and the concrete slabs on two sides of the steel assembly are fixedly connected with each other through a stud penetrating through the through hole of the single steel plate or the stiffening single steel plate.
Optionally, the steel assembly of the wall member is a truss, and the concrete plates on two sides of the steel assembly are fixedly connected with each other through a stud penetrating through the truss.
Optionally, the concrete slab is one of an assembled common concrete precast slab, an aerated concrete precast slab, a ceramsite concrete precast slab, a fiber concrete slab and a foamed ceramic slab.
In the scheme, a steel-concrete combined frame (comprising a novel steel-concrete combined column and a novel steel-concrete combined beam) of the unit prefabricated shear wall and a lateral force resisting component (such as a corrugated steel plate, a single steel plate without a stiffening plate, a single steel plate with a stiffening plate, a steel truss and the like) at the middle part are formed, and the lateral force resisting component is connected with an edge component in a welding or bolt connection mode to form the steel-concrete combined component; the corrugated steel plate can be sine-shaped or wave-folded trapezoid, and the wave rib direction can be transversely placed or vertically placed; the middle parts of the corrugated steel plate, the single steel plate without the stiffened plate, the single steel plate with the stiffened plate, the steel truss and other components are coated by fixing the assembled common concrete precast slab, the aerated concrete precast slab, the ceramsite concrete precast slab, the fiber concrete precast slab and the foamed ceramic slab in a bolt connection mode, so that the technical problems of heat preservation, fire prevention, sound insulation and the like of the steel plate shear wall are solved at one time, wherein the heat preservation performance is improved by more than 15 times, the sound insulation performance is improved by more than 10 times, and the fireproof coating is reduced by 95 percent; the anticorrosive material is reduced by 95 percent.
Optionally, the steel-concrete combined column comprises a shear wall embedded part, wherein one end of the shear wall embedded part is fixedly embedded, and the other end of the shear wall embedded part is provided with an installation part matched with a steel-concrete combined column steel member side surface installation space and a conversion member. When this scheme unit precast shear wall one end was connected fixedly with the building body, can adopt and be connected fixed structure with the built-in fitting buried underground in advance on the building body, construction convenience, firm in connection.
In the scheme, the edge member is a steel-concrete combined member with exposed concrete and the pure steel at the middle part adopts a fireproof and anticorrosion integrated combined coating technology formed by coating a precast concrete plate; the corrugated web plate connection at the middle part of the steel-concrete combined steel plate shear wall is realized by adopting a flat steel plate or a T-shaped connecting member; the prefabricated assembled steel-concrete combined steel plate shear wall is connected with light concrete by adopting a screw adjusting device, so that the technology of leveling a light concrete plate can be realized; the prefabricated steel-concrete combined components at the edge of the steel-concrete combined steel plate shear wall adopt an assembly connection technology of welding, bolting welding or full bolt connection, and then a node region adopts a node post-pouring technology to form a vertically continuous steel-concrete combined steel plate shear wall; when the aspect ratio of the steel-concrete combined steel plate shear wall is more than 1.0, the precast slab coated at the middle part can be well installed in a factory and can also be installed on the site by considering the comprehensive economic cost; when the height-width ratio is less than 1.0, assembling on site as much as possible; the standard component of the scheme is composed of a straight section, and an L-shaped section, a T-shaped section and a Z-shaped section can be formed by the straight section.
Compared with the prior art, the invention has the following beneficial effects:
1) The edge member is a novel steel-concrete combined member with a concrete-coated steel structure, so that the unit prefabricated steel plate shear wall can bear vertical load and horizontal load;
2) The vertical bearing capacity of the unit prefabricated steel plate shear wall is greatly improved through the steel-concrete combined component;
3) The middle part of the unit prefabricated steel plate shear wall adopts a corrugated steel plate, a single steel plate or a truss form, so that the weight problem of the unit prefabricated steel plate shear wall is reduced;
4) The integration of heat preservation, fire prevention and sound insulation and the cooperation of buildings and structures of the steel plate shear wall are realized through the coating structure of the precast concrete plates and the like on the two sides of the unit precast steel plate shear wall;
5) The unit prefabricated steel plate shear wall is connected by all bolts through T-shaped connection conversion of the unit prefabricated steel plate shear wall in a downward butt joint mode;
6) Through the steel-concrete combined structure of the concrete-clad steel, the fireproof and anticorrosion integration of edge members is realized, 95% of paint operation is reduced, and green construction is realized.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic view of a planar connection structure according to the present invention.
FIG. 3 is a schematic view showing a structure of a corrugated steel plate as an intermediate portion of the present invention.
FIG. 4 is a schematic structural view of a single steel plate as an intermediate part of the present invention.
Fig. 5 is a schematic view of a structure in which the intermediate portion of the present invention is a truss.
Fig. 6 is a schematic structural diagram of a two-end connection structure according to the present invention.
FIG. 7 is a schematic cross-sectional view of the present invention.
In the figure: 1-steel-concrete composite column 2-T-shaped conversion member 3-PEC steel-concrete composite beam
4-wall component 5-connecting bracket 6-shear wall embedded part
11-I-shaped steel member 12-concrete column 13-side mounting space
21-fixed plate 22-connecting plate 23-middle installation space
41-steel component 42-concrete slab 43-stiffener.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a prefabricated shear wall of a partial concrete steel component unit comprises a wall component 4, wherein two sides of the wall component 4 are provided with two parallel steel-concrete composite columns 1, the upper end and the lower end of the wall component 4 are respectively connected with a conversion component 2, the middle part of the wall component 4 is provided with at least one concrete-coated steel PEC steel-concrete composite beam 3, and two ends of the PEC steel-concrete composite beam 3 are respectively connected and fixed with the two steel-concrete composite columns 1; the steel-concrete composite column 1 comprises a sub-shaped steel member 11 and a concrete column 12, wherein the sub-shaped steel member 11 comprises two wing plates and two middle web plates for connecting the two wing plates, a structural steel bar and the concrete column 12 are respectively arranged in a groove formed by the middle web plates and the two wing plates and a hollow groove between the two middle web plates, the surface of the concrete column 12 in the groove is flush with the edges of the two wing plates, and a side surface mounting space 13 is arranged between the end surfaces of two ends of the concrete column 12 and the end surface of the sub-shaped steel member 11; the PEC steel-concrete composite beam 3 comprises an H-shaped steel member and a concrete column, the grooves on the two sides of the H-shaped steel member are respectively provided with a constructional steel bar and the concrete column, and the surface of the concrete column is flush with the outer side edge of the H-shaped steel; the wall body component 4 comprises a steel component 41 and a concrete slab 42, the steel component 41 is positioned at the inner side of the wall body component 4, the steel component 41 is fixedly connected with the inverted V-shaped steel component of the reinforced concrete composite column 1, the H-shaped steel component of the PEC reinforced concrete composite beam 3 and the conversion component 2 respectively, the concrete slab 42 is fixed at two sides of the steel component 41 respectively, and the concrete slab 42 is positioned at the outer side of the space of the wall body component 4;
the conversion component 2 is a T-shaped conversion component, the conversion component 2 comprises a fixed plate 21 and a connecting plate 22, two ends of the fixed plate 21 and the connecting plate 22 are respectively and fixedly connected with the two steel-concrete composite columns 1, a middle installation space 23 is arranged between the surface of the fixed plate 21 and the end face of the steel-concrete composite column 1U-shaped steel component 11, and the connecting plate 22 is arranged in the middle installation space 23 and is vertically fixed with the fixed plate 21;
the middle web plate is provided with a connecting hole at the position in the side mounting space 13, and the connecting plate 22 is provided with a plurality of connecting holes;
two sides of each steel-concrete composite column 1 are respectively provided with a connecting bracket 5 consistent with the steel members of the PEC steel-concrete composite beam 3, and the positions of the connecting brackets 5 are matched with the PEC steel-concrete composite beam 3;
the concrete slab 42 is one of an assembled common concrete precast slab, an aerated concrete precast slab, a ceramsite concrete precast slab, a fiber concrete slab and a foamed ceramic slab;
the steel-concrete composite column comprises a shear wall embedded part 6, wherein one end of the shear wall embedded part 6 is fixedly embedded, and the other end of the shear wall embedded part is provided with an installation part which is matched with a mounting space 13 on the side surface of a steel-concrete composite column 1 sub-shaped steel component 11 and a conversion component 2.
Referring to fig. 3, the steel member 41 of the wall member 4 is a corrugated steel plate having through holes, and the concrete plates 42 disposed at both sides of the steel member 41 are fixedly coupled to each other by means of studs passing through the through holes of the corrugated steel plate.
Referring to fig. 4, the steel members 41 of the wall structure 4 are single stiffening steel plates, each of which is provided with a stiffening bar 43 and has a through hole, and the concrete plates 42 on both sides of the steel member 41 are fixedly connected to each other by a stud penetrating through the through holes of the single stiffening steel plates.
Referring to fig. 5, the steel member 41 of the wall member 4 is a truss, and the concrete slabs 42 disposed at both sides of the steel member 41 are fixedly coupled to each other by means of studs penetrating through the truss.
The specific using process is as follows: firstly, a steel-concrete composite column 1 sub-shaped steel member 11 and a steel-concrete composite beam 3H-shaped steel member are connected to form a whole, then a bracket 5 is welded, then a steel component 41 of a wall component 4 is welded at the middle part of the steel-concrete composite column 1 and the steel-concrete composite beam 3, if the middle part is a corrugated steel plate shear wall or a steel truss, a T-shaped conversion component 2 is welded at the end splicing position after welding is completed, then concrete is poured in a cavity of the steel-concrete composite column 1 and the steel-concrete composite beam 3, and after the strength of the poured concrete meets the standard requirement, a concrete slab 42 is fixed at the middle part through a screw rod to form integral cladding on the middle part steel component 41; and forming a unit prefabricated shear wall after the cladding is finished, then connecting the unit prefabricated shear wall with a foundation through a shear wall embedded part 6, and vertically splicing through the T-shaped conversion member 2, the high-strength bolt and the welding joint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The partially concrete steel member unit prefabricated shear wall is characterized by comprising a wall member, wherein two sides of the wall member are provided with two parallel steel-concrete combined columns, the upper end and the lower end of the wall member are respectively connected with a conversion member, the middle part of the wall member is provided with at least one concrete-coated steel PEC steel-concrete combined beam, and two ends of the PEC steel-concrete combined beam are respectively connected and fixed with the two steel-concrete combined columns;
the steel-concrete composite column comprises a sub-shaped steel member and a concrete column, wherein the sub-shaped steel member comprises two wing plates and two middle webs for connecting the two wing plates, a structural steel bar and the concrete column are respectively arranged in a groove formed by the middle webs and the two wing plates and a hollow groove between the two middle webs, the surface of the concrete column in the groove is flush with the edges of the two wing plates, and a side surface mounting space is arranged between the end surfaces of two ends of the concrete column and the end surface of the sub-shaped steel member;
the PEC steel-concrete composite beam comprises an H-shaped steel member and a concrete column, constructional steel bars and the concrete column are respectively arranged in grooves on two sides of the H-shaped steel member, and the surface of the concrete column is flush with the outer side edge of the H-shaped steel;
the wall body component comprises a steel component and a concrete plate, the steel component is positioned on the inner side of the space of the wall body component and is fixedly connected with the inverted V-shaped steel component of the steel-concrete composite column, the PEC steel-concrete composite beam H-shaped steel component and the conversion component, the concrete plate is fixed on each of two sides of the steel component, and the concrete plate is positioned on the outer side of the space of the wall body component.
2. The precast shear wall of a partial concrete steel member unit according to claim 1, wherein the conversion member is a T-shaped conversion member, the conversion member comprises a fixing plate and a connecting plate, two ends of the fixing plate and the connecting plate are respectively and fixedly connected with the two steel-concrete combination columns, a middle installation space is formed between the surface of the fixing plate and the end faces of the steel-concrete combination column steel member, and the connecting plate is arranged in the middle installation space and is vertically fixed with the fixing plate.
3. The precast shear wall of a partial concrete steel member unit according to claim 1, wherein a connection hole is formed at a portion of the central web located in the side installation space, and the connection plate is provided with a plurality of connection holes.
4. The unit precast shear wall with the edge being the steel-concrete combination member according to claim 1, wherein the two steel-concrete combination columns are respectively provided at both sides with connection brackets in conformity with the PEC steel-concrete combination beam steel members, and the connection brackets are positioned to be matched with the PEC steel-concrete combination beam.
5. The prefabricated shear wall unit with steel-reinforced concrete composite members as claimed in claim 1, wherein the steel members of said wall member are corrugated steel plates, said corrugated steel plates are provided with through holes, and said concrete plates on both sides of the steel members are fixedly connected to each other by means of studs penetrating through the through holes of the corrugated steel plates.
6. The precast shear wall unit with steel-concrete composite members at the edges of claim 1, wherein the steel components of the wall body member are single steel plates or stiffened single steel plates, the T-shaped conversion members are integrated with the single steel plates or the stiffened single steel plates, the single steel plates or the stiffened single steel plates are provided with through holes, and the concrete plates at both sides of the steel components are fixedly connected with each other through studs penetrating through the through holes of the single steel plates or the stiffened single steel plates.
7. A prefabricated shear wall unit with steel-reinforced concrete composite members as claimed in claim 1, wherein the steel members of said wall members are trusses, and said concrete slabs on both sides of the steel members are fixedly connected to each other by means of studs penetrating the trusses.
8. The precast shear wall unit with the edge being the steel-concrete composite member according to claim 1, wherein the concrete slab is one of an assembled common concrete precast slab, an aerated concrete precast slab, a ceramsite concrete precast slab, a fiber concrete slab and a foamed ceramic slab.
9. The unit precast shear wall with the edge being the steel-concrete combination member according to claim 1, which comprises a shear wall embedded part, wherein one end of the shear wall embedded part is fixedly embedded, and the other end of the shear wall embedded part is provided with a mounting part which is matched with a steel member side mounting space and a conversion member of the steel-concrete combination column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240825.7A CN115613737A (en) | 2021-10-25 | 2021-10-25 | Prefabricated shear wall of partial concrete steel component unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240825.7A CN115613737A (en) | 2021-10-25 | 2021-10-25 | Prefabricated shear wall of partial concrete steel component unit |
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| Publication Number | Publication Date |
|---|---|
| CN115613737A true CN115613737A (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111240825.7A Pending CN115613737A (en) | 2021-10-25 | 2021-10-25 | Prefabricated shear wall of partial concrete steel component unit |
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| Country | Link |
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| CN (1) | CN115613737A (en) |
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2021
- 2021-10-25 CN CN202111240825.7A patent/CN115613737A/en active Pending
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