Stiffened corrugated steel plate module assembly type high-rise steel structure shear wall system

Abstract

The invention belongs to the technical field of structural engineering, and discloses a stiffening corrugated steel plate module assembly type high-rise steel structure shear wall system. Lateral force resisting module units provided with stiffening corrugated steel plate walls are vertically stacked, and column-column grouting connection and beam-beam bolt connection between the module units are implemented, so that the reinforced corrugated steel plate wall is constructed and formed. After module double beams are connected through bolts to form an integral composite beam, the lateral force resisting module units are stacked to form a vertical continuous lateral force resisting system, and then the deformation mode and the force transmission mechanism which are the same as those of a traditional structure can be achieved. The modular high-rise steel structure stiffening corrugated steel plate shear wall system can be formed through full-module assembling, the anti-seismic property and the construction efficiency of a pure modular steel structure can be remarkably improved, and an effective path is explored for application and popularization of the modular high-rise steel structure.

Description

Technical Field

[0001] The present invention relates to the technical field of structural engineering, and in particular to a stiffened corrugated steel plate modular prefabricated high-rise steel structure shear wall system, which is a new type of modular high-rise steel structure stiffened corrugated steel plate shear wall system that can be fully modularly assembled, aiming to explore an effective path for the engineering promotion and application of modular high-rise steel structures. Background Art

[0002] The prefabrication and assembly level of modular building steel structures is relatively high, meeting the development trends and requirements of building industrialization and green buildings. However, currently, modular steel structures are mainly applied in multi-story buildings. Therefore, it is of great significance to explore the overall design method and its applicability of modular high-rise steel structures. There are mainly the following two paths for the development of modular steel structures towards high-rise building structural systems: one is to adopt a fully modular steel structure system and set lateral force resisting components in the module units to improve the seismic performance of the entire structure; the other is to combine modular steel structures with traditional structural lateral force resisting systems (shear wall structures or core tube structures).

[0003] However, both of the above methods have their own deficiencies. For the first method, due to the unique "double beam" structural characteristics in modular steel structures, there will be problems of discontinuous vertical force transmission in the lateral force resisting components (bracings or steel plate walls) arranged in the module units, which will make it difficult to form an effective overall lateral force resisting system after the vertical stacking of module units. In addition, the modular steel structure system is a specific structural form with a high degree of prefabrication attributes. If it is combined with traditional lateral force resisting systems, on the one hand, the advantages of this structural system such as environmental friendliness, short construction period, and labor saving cannot be fully reflected, and on the other hand, it will lead to a more complex force transmission mechanism of the entire structure and higher design and construction costs. In summary, the lack of a directly fully modularly assembled lateral force resisting system is the main bottleneck restricting the development of modular high-rise steel structures at present. Summary of the Invention

[0004] In view of the above deficiencies, the present invention provides a stiffened corrugated steel plate modular prefabricated high-rise steel structure shear wall system.

[0005] The technical solution of the present invention is as follows: A stiffened corrugated steel plate modular prefabricated high-rise steel structure shear wall system is mainly formed by vertically stacking lateral force resisting module units 8 and by means of column-column connections and beam-beam connections; the lateral force resisting module unit 8 is formed by arranging a stiffened corrugated steel plate wall in a common frame module unit 7.

[0006] The stiffened corrugated steel plate wall is composed of stiffeners 2 uniformly arranged on both sides of a trapezoidal corrugated steel plate 1, and the stiffeners 2 are connected to the corrugated steel plate 1 by welds.

[0007] The stiffened corrugated steel plate wall is divided into a vertical stiffened corrugated steel plate wall and a horizontal stiffened corrugated steel plate wall according to the different placement directions of the corrugation. In the horizontal stiffened corrugated steel plate wall, the stiffeners 2 are placed horizontally, and the corrugations of the corrugated steel plate 1 are placed vertically. In the vertical stiffened corrugated steel plate wall, the stiffeners 2 are placed vertically, and the corrugations of the corrugated steel plate 1 are placed horizontally. When the width-to-height ratio of the corrugated steel plate 1 is relatively large, a horizontal stiffened corrugated steel plate wall is adopted.

[0008] The stiffened corrugated steel plate wall is connected to the beam-column members in the ordinary frame module unit 7 by welding seams.

[0009] The specific column-column connection is as follows: The lateral force resisting module units 8 are connected by grouting, so that the vertical connection of the module columns 4 is a rigid connection.

[0010] The specific beam-beam connection is as follows: The module beams 3 connected to the stiffened corrugated steel plate wall are combined by high-strength bolts 11.

[0011] For the construction method of the assembled high-rise steel structure shear wall with stiffened corrugated steel plate modules, before installing the upper lateral force resisting module unit 8, the connector 10 is first inserted into the outer cylinder 9 of the lower lateral force resisting module unit. After stacking is completed, grouting is carried out through the reserved grouting holes 12 to form the column-column grouting connection node 5. The module beams 3 connected to the stiffened corrugated steel plate wall are bolted by high-strength bolts 11 for beam-beam bolt connection 6.

[0012] The ordinary frame module unit 7 and the lateral force resisting module unit 8 are horizontally and vertically connected by welding the connector 10 onto the same horizontal connecting plate 13.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] (1) The present invention proposes to use the stiffened corrugated steel plate wall as the core lateral force resisting and energy dissipating component in the modular high-rise steel structure stiffened corrugated steel plate shear wall system. The self-weight of the stiffened corrugated steel plate wall is relatively small, and due to the restraint effect generated by the stiffeners, it has excellent load-bearing capacity and energy dissipating performance, so it is extremely suitable for modular high-rise steel structure buildings. The stiffened corrugated steel plate wall is mainly divided into two categories, namely the horizontal stiffened corrugated steel plate wall and the vertical stiffened corrugated steel plate wall. In the horizontal stiffened corrugated steel plate wall, the stiffeners are placed horizontally, and the corrugations of the corrugated steel plate are placed vertically. In the vertical stiffened corrugated steel plate wall, the stiffeners are placed vertically, and the corrugations of the corrugated steel plate are placed horizontally. When the width-to-height ratio of the wall panel is relatively large, it is advisable to adopt a horizontal stiffened corrugated steel plate wall.

[0015] (2) The present invention proposes to combine the modular beams between the lateral force resisting module units by bolt connection, which effectively solves the problem of discontinuous vertical force transmission of the lateral force resisting members existing in the prior art, thereby ensuring that an effective overall lateral force resisting system can be constructed after the lateral force resisting module units are vertically stacked, and finally realizing the same deformation mode and force transmission mechanism as the traditional structure.

[0016] (3) The lateral force resisting system of the modular high-rise steel structure with stiffened corrugated steel plate shear walls proposed by the present invention can be constructed by full-module assembly. Compared with the construction method combining modular steel structures and traditional lateral force resisting systems, it can maximize the advantages of modular steel structures such as green environmental protection, short construction period, and labor saving, and the structural force transmission mechanism is clearer, and the design and construction costs are lower. Description of the Drawings

[0017] Figure 1(a) is a three-dimensional structure diagram of the front side view of the modular high-rise steel structure shear wall with stiffened corrugated steel plates.

[0018] Figure 1(b) is a three-dimensional structure diagram of the rear side view of the modular high-rise steel structure shear wall with stiffened corrugated steel plates.

[0019] Figure 1(c) is a three-dimensional structure diagram of the column-column connection of the modular high-rise steel structure shear wall with stiffened corrugated steel plates.

[0020] Figure 2(a) is a structural diagram of a common frame module unit.

[0021] Figure 2(b) is a structural diagram of a lateral force resisting module unit.

[0022] Figure 3(a) is a front view structural diagram of a vertical stiffened corrugated steel plate wall.

[0023] Figure 3(b) is a side view structural diagram of a vertical stiffened corrugated steel plate wall.

[0024] Figure 3(c) is a front view structural diagram of a horizontal stiffened corrugated steel plate wall.

[0025] Figure 3(d) is a side view structural diagram of a horizontal stiffened corrugated steel plate wall.

[0026] Figure 4 It is a schematic diagram of the column-column connection and beam-beam connection between the lateral force resisting module units.

[0027] Figure 5 It is a schematic diagram of the stacking between the common frame module units.

[0028] Figure 6 It is a schematic diagram of the connection between the common frame module unit and the lateral force resisting module unit.

[0029] Description of the Reference Numerals:

[0030] 1 - Corrugated steel plate; 2 - Stiffening rib; 3 - Module beam; 4 - Module column; 5 - Column-column grouting connection joint; 6 - Beam-beam bolt connection; 7 - Ordinary frame module unit; 8 - Lateral force resistant module unit; 9 - Outer tube; 10 - Connector; 11 - High-strength bolt; 12 - Reserved grouting hole; 13 - Horizontal connecting plate. Detailed implementation manners

[0031] The following further describes the detailed implementation manners of the present invention in combination with the accompanying drawings and technical solutions.

[0032] The stiffened corrugated steel plate module assembled high-rise steel structure shear wall proposed by the present invention is constructed by vertically stacking lateral force resistant module units with stiffened corrugated steel plate walls and by means of column-column connection and beam-beam connection.

[0033] In the stiffened corrugated steel plate module assembled high-rise steel structure shear wall, the stiffened corrugated steel plate wall is formed by uniformly arranging stiffening ribs on both sides of a trapezoidal corrugated steel plate wall, and the stiffening ribs and the corrugated steel plate are connected by welds. Due to the out-of-plane constraint effect of the stiffening ribs, the overall stability performance, load-bearing performance, hysteretic performance and low-cycle fatigue performance of the stiffened corrugated steel plate wall are significantly improved, and it is an ideal lateral force resistant and energy dissipation component.

[0034] In the above-mentioned stiffened corrugated steel plate module assembled high-rise steel structure shear wall, the lateral force resistant module unit 8 is formed by arranging a stiffened corrugated steel plate wall in an ordinary frame module unit, and the stiffened corrugated steel plate wall and the beam-column members in the module unit are connected by welds.

[0035] In the above-mentioned stiffened corrugated steel plate module assembled high-rise steel structure shear wall, the column-column connection is to achieve the vertical connection between module units, and it can adopt the grouting connection method to ensure that the vertical connection of the module columns can achieve the effect of rigid connection.

[0036] In the above-mentioned stiffened corrugated steel plate module assembled high-rise steel structure shear wall, the beam-beam connection combines the module beams connected to the stiffened corrugated steel plate wall by high-strength bolt connection. Due to the "double beam" structural feature in the modular high-rise steel structure, there will be a problem of discontinuous vertical force transmission in the stiffened corrugated steel plate walls arranged in each floor of the structure. By combining the module double beams into an integral composite beam by high-strength bolt connection, a vertical continuous lateral force resistant system can be formed after the lateral force resistant module units are stacked, and then the same deformation mode and force transmission mechanism as the traditional structure can be achieved, significantly improving the seismic performance of the modular high-rise steel structure.

[0037] Such as Figure 1(a) - Figure 1(c)As shown in the figure, the modular high-rise steel structure stiffened corrugated steel plate shear wall system in the present invention is formed by vertically stacking lateral force-resistant module units 8 and then performing column-column connections and beam-beam connections between the module units. This system can improve the lateral resistance capacity of pure modular steel structures, increase the applicable height of modular steel structures in high-intensity seismic fortification areas, and thus enhance the safety and economy of modular steel structures.

[0038] As Figure 2(a) - Figure 2(b) shown, the ordinary frame module unit 7 is composed of a module beam 3, a module column 4, and an outer tube 9. The module beam-column members and the outer tube are connected by welds to form the module unit. The lateral force-resistant module unit 8 is formed by introducing a stiffened corrugated steel plate wall into the ordinary frame module unit 7, and the stiffened corrugated steel plate wall is reliably connected to the module beam-column members by welds.

[0039] As shown in FIGS. 3(a)-3(d), the stiffened corrugated steel plate wall proposed in the present invention is mainly composed of a corrugated steel plate 1 and stiffening ribs 2. According to the different placement directions of the corrugations, it can be divided into two categories: vertically stiffened corrugated steel plate walls and horizontally stiffened corrugated steel plate walls; the number of arranged stiffening ribs is two pairs, which are evenly distributed on both sides of the corrugated steel plate and welded to the corrugated steel plate. When the aspect ratio of the wall panel is relatively large, a horizontally stiffened corrugated steel plate wall should be preferably selected.

[0040] As Figure 4 shown, before installing the upper lateral force-resistant module unit, the connector 10 is first inserted into the outer tube 9 of the lower lateral force-resistant module unit. After stacking is completed, grouting is carried out through the reserved grouting hole 12 to form a column-column grouting connection node 5; in order to form an effective lateral force-resistant system, beam-beam bolt connections 6 must be carried out, that is, the module beams connected to the stiffened corrugated steel plate wall are connected by high-strength bolts.

[0041] Figure 5 The figure shows a stacking schematic diagram between ordinary frame module units 7. Different from the stacking of lateral force-resistant module units 8, only column-column grouting connections are required between ordinary module units, and beam-beam bolt connections do not need to be implemented.

[0042] Figure 6 is a connection schematic diagram between the ordinary frame module unit 7 and the lateral force-resistant module unit 8. The connector 10 is welded onto the same horizontal connecting plate 13, so as to achieve the purpose of horizontally and vertically connecting these two module units. As for the four-module stacking inside the structure, horizontal connecting plates are also required to achieve horizontal and vertical connections between the modules.

[0043] The present invention is not limited to the embodiments described above. The above description of the specific embodiments is intended to describe and illustrate the technical solutions of the present invention. The above specific embodiments are merely illustrative and not restrictive. Without departing from the spirit of the present invention and the scope protected by the claims, those of ordinary skill in the art can make many specific changes in form under the inspiration of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system, characterized in that, The described stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system is mainly formed by vertically stacking lateral force resisting module units (8) and by means of column-column connections and beam-beam connections; the lateral force resisting module unit (8) is formed by arranging stiffened corrugated steel plate walls in a common frame module unit (7).

2. The assembled high-rise steel structure shear wall system with stiffened corrugated steel plate modules according to claim 1, wherein The described stiffened corrugated steel plate wall is composed of stiffeners (2) uniformly arranged on both sides of a trapezoidal corrugated steel plate (1), and the stiffeners (2) are connected to the corrugated steel plate (1) by welds.

3. The stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system according to claim 1 or 2, characterized in that The described stiffened corrugated steel plate wall is divided into a vertically stiffened corrugated steel plate wall and a horizontally stiffened corrugated steel plate wall according to the different placement directions of the corrugations; in the horizontally stiffened corrugated steel plate wall, the stiffeners (2) are placed horizontally and the corrugations of the corrugated steel plate (1) are placed vertically; in the vertically stiffened corrugated steel plate wall, the stiffeners (2) are placed vertically and the corrugations of the corrugated steel plate (1) are placed horizontally; when the aspect ratio of the width to the height of the corrugated steel plate (1) is relatively large, it is advisable to choose a horizontally stiffened corrugated steel plate wall.

4. A stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system according to claim 1, characterized in that, The described stiffened corrugated steel plate wall is connected to the beam-column members in the common frame module unit (7) by welds.

5. The stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system according to claim 1, characterized in that The specific column-column connection is as follows: the lateral force resisting module units (8) are connected by grouting, so that the vertical connection of the module columns (4) is a rigid connection.

6. The stiffened corrugated steel plate modular assembled high-rise steel structure shear wall system according to claim 1, characterized in that, The specific beam-beam connection is as follows: the module beams (3) connected to the stiffened corrugated steel plate wall are combined by connection with high-strength bolts (11).

7. A method for establishing a shear wall system of a stiffened corrugated steel plate module assembled high-rise steel structure as described in any one of claims 1-6, characterized in that, Before installing the upper lateral force resisting module unit (8), first insert the connector (10) into the outer cylinder (9) of the lower lateral force resisting module unit. After stacking is completed, grouting is carried out through the reserved grouting holes (12) to form a column-column grouting connection node (5); the module beams (3) connected to the stiffened corrugated steel plate wall are bolted together by high-strength bolts (11) to form a beam-beam bolt connection (6). The common frame module unit (7) and the lateral force resisting module unit (8) are horizontally and vertically connected by welding the connector (10) onto the same horizontal connecting plate (13).

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