CN214423572U - Steel frame and concrete wallboard mixed full-assembly type multilayer steel structure system - Google Patents
Steel frame and concrete wallboard mixed full-assembly type multilayer steel structure system Download PDFInfo
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- CN214423572U CN214423572U CN202023278927.1U CN202023278927U CN214423572U CN 214423572 U CN214423572 U CN 214423572U CN 202023278927 U CN202023278927 U CN 202023278927U CN 214423572 U CN214423572 U CN 214423572U
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Abstract
本实用新型提供一种钢框架与混凝土墙板混合的全装配式多层钢结构体系，包括开间方向框架结构、进深方向框架结构和多个混凝土预制墙板；所述开间方向框架结构间隔设置有多个开间结构边柱，所述开间方向框架结构边榀处的相邻所述开间结构边柱之间连接有抗侧力梁，所述抗侧力梁与所述开间结构边柱形成一个抗侧力框架，所述混凝土预制墙板设有预埋螺纹件，所述混凝土预制墙板通过所述预埋螺纹件与所述抗侧力框架过孔螺栓连接。采用钢框架承担竖向力，采用混凝土墙板与钢框架共同承担侧向力，所有结构部件均采用螺栓连接，现场施工速度快，施工质量易控制，且其经济性也具有更好的水平，用钢量低至25～40kg/㎡。
The utility model provides a fully assembled multi-layer steel structure system in which a steel frame and concrete wall panels are mixed, including a bay direction frame structure, a depth direction frame structure and a plurality of concrete prefabricated wall panels; A plurality of bay structure side columns are connected between the adjacent bay structure side posts at the side brackets of the frame structure in the bay direction, and the side force resistance beams and the bay structure side posts form an anti-side force beam. In the lateral force frame, the prefabricated concrete wall panels are provided with pre-embedded threaded parts, and the prefabricated concrete wall panels are connected with the lateral force-resistant frame via bolts through the pre-embedded threaded parts. The steel frame is used to bear the vertical force, and the concrete wall panel and the steel frame are used to jointly bear the lateral force. All structural components are connected by bolts. The on-site construction speed is fast, the construction quality is easy to control, and its economy is also better. The amount of steel used is as low as 25-40kg/㎡.
Description
Technical Field
The utility model relates to an assembly type building structure indicates a steel frame and concrete wall board mixed full assembled multilayer steel structure system especially.
Background
At present, the steel structure system is used for a dormitory, a teaching building and an office building, a traditional steel frame structure system or a traditional cast-in-place concrete structure system or a prefabricated concrete structure system is adopted, a large amount of welding work exists in the on-site splicing nodes of the steel frame structure system, the construction speed is low, the quality of welding seams is limited by the level of welders and construction conditions, the cast-in-place concrete system needs formwork support, pouring and other construction, the construction is slow and inconvenient, the construction difficulty of the prefabricated concrete structure system is large, and the manufacturing cost is high. In order to improve the economic efficiency, improve the engineering construction convenience, the utility model discloses combine steel construction and a small amount of precast concrete structure, absorb both sides advantage, have good economic value!
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's defect, reduce overall structure with the steel volume, promote structure construction speed and assembly precision when satisfying the anti side force demand of assembled housing structure. In order to achieve the purpose, the utility model provides a full-assembly type multilayer steel structure system with a mixed steel frame and concrete wallboards, which is characterized by comprising a bay direction frame structure, a depth direction frame structure and a plurality of concrete prefabricated wallboards; the nodes of the inter-bay direction frame structure and the depth direction frame structure are detachably mounted; the prefabricated concrete wall panel is characterized in that a plurality of inter-opening structure side columns are arranged at intervals of the inter-opening direction frame structure, anti-lateral-force beams are connected between the inter-opening structure side columns and adjacent to the inter-opening direction frame structure side columns, the anti-lateral-force beams and the inter-opening structure side columns form an anti-lateral-force frame, the prefabricated concrete wall panel is provided with pre-embedded threaded parts, and the prefabricated concrete wall panel is connected with the anti-lateral-force frame through hole bolts through the pre-embedded threaded parts.
The utility model has the advantages that:
the utility model discloses a vertical power is undertaken to the steel frame, adopts concrete wallboard and steel frame to undertake the yawing force jointly, and bolted connection is all adopted to all structural component, and the site operation is fast, and construction quality is easy to control, and its economic nature also has better level, hangs down to 25 ~ 40 kilograms with the steel volume/square meter.
Furthermore, a first mounting hole is formed in the lateral force resisting beam, the position of a pre-embedded threaded part of the concrete prefabricated wall plate corresponds to the first mounting hole, and the lateral force resisting beam penetrates through the first mounting hole through a first bolt and is in threaded connection with the pre-embedded threaded part.
Furthermore, a second mounting hole is formed in the side column of the bay structure, the position of a pre-buried threaded part of the concrete prefabricated wall plate corresponds to the second mounting hole, and the lateral-force-resisting beam penetrates through the second mounting hole through a second bolt and is in threaded connection with the pre-buried threaded part.
Furthermore, the frame structure in the depth direction is provided with a depth connecting beam, a third mounting hole is formed in the depth connecting beam, the position of a pre-embedded threaded part of the concrete prefabricated wall board corresponds to the third mounting hole, and the depth connecting beam penetrates through the third mounting hole through a third bolt and is in threaded connection with the pre-embedded threaded part.
Furthermore, the side columns of the bay structure, which are not positioned on the lateral force resisting frame, in the bay direction frame structure are connected through bay connecting beams.
Further, the lateral force resisting beam is connected with the side column of the compartment structure in a bolt assembling mode.
Furthermore, the number of the side force resisting frames is at least two, and the two side force resisting frames are correspondingly arranged at two side trusses of the frame structure in the opening direction, namely at least one side force resisting frame is respectively arranged at the two side trusses in the opening direction.
Furthermore, the cantilever beam is H-shaped steel. The section of H-shaped beam is specially designed as an energy dissipation component under the action of earthquake, and the structure has good earthquake resistance.
Furthermore, the inter-opening direction frame structure and the depth direction frame structure are multiple channels, and the multiple channels of the inter-opening direction frame structure and the depth direction frame structure form a grid-shaped frame; and a middle column is arranged at the middle node of the latticed frame. The grid of the grid-shaped framework is laid with the floor slab, which is common knowledge and is not explained.
Further, the inter-bay direction frame structure and the depth direction frame structure are in multiple layers, and the multiple layers of the inter-bay direction frame structure and the depth direction frame structure represent the number of floors of the building framework system.
Further, the middle column is set as a swing column. The intermediate column and the opening structure side column play a role in resisting vertical force, and the intermediate column does not participate in a role in resisting lateral force, so that the swing column can be designed to be more convenient for node connection. The lateral force resistance in the depth direction is realized by arranging a steel frame of the swinging column. Each steel frame is a lateral force resisting structure which jointly resists the lateral force in the depth direction of the structure. The support between the columns can be arranged in the depth direction to improve the rigidity of the structure. The connecting nodes of the frame structure beams in the depth direction and the frame structures in the opening direction (namely the side roof trusses) are arranged in the area avoiding the earthquake plastic hinge and are spliced in an end plate type bolt mode. Furthermore, the whole structure system is formed by the side force resisting frame, the side force resisting frame and the connecting beam through fewer types of standard components, and the standardization degree is high.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a top view of another structure of the present invention.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is the utility model discloses an installation schematic diagram of anti side force roof beam and precast concrete wallboard.
Fig. 6 is another installation schematic diagram of the side force resisting beam and the concrete prefabricated wall panel of the utility model.
Fig. 7 is a first node diagram of the middle connecting beam of the middle opening direction frame structure of the present invention.
Fig. 8 is a cross-sectional view of 1-1 of fig. 7.
Fig. 9 is a second node diagram of the connecting beam in the middle opening direction frame structure of the present invention.
Fig. 10 is a cross-sectional view 2-2 of fig. 9.
Detailed Description
Detailed embodiments of the present invention will be disclosed herein. It is to be understood, however, that the disclosed embodiments are merely exemplary of the invention and that the invention may be embodied in various and alternative forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples:
referring to fig. 1 and 3, for the structural system, the loads to be resisted are divided into vertical loads (such as dead weight, live loads and the like) and lateral loads (such as seismic force, wind load and the like). The vertical load is generally transferred from the floor to the beam, the beam to the column and the column to the foundation. For side loads, the low-rise structure is generally transferred to the foundation by the frame integrity effect. The utility model discloses to the anti side force mode that is used for the structural system of low floor rule building (like dormitory, teaching building and office building etc.), proposed the way of innovation. For convenience of expression, in plan view, the house longitudinal direction (inter-opening direction) is defined as X direction, and the transverse direction (depth direction) is defined as Y direction. That is, the Y direction corresponds to the depth direction frame structure, and the X direction corresponds to the inter-opening direction frame structure.
As shown in fig. 1, in this embodiment, the depth direction frame structure and the bay direction frame structure enclose each other to form an outer wall structure frame of a house, and the depth direction frame structure and the bay direction frame structure are connected. As shown, the outer wall structural frame is a rectangular frame. The utility model discloses well wall body that needs assembled installation includes outer wall and interior wall, and the outer wall is including installing on the direction frame construction between the division, and the depth direction frame construction is installed to the interior wall.
On steel structural framework, the area in house has been decided to the size of the outer wall structural framework in house, and when the area was great, can set up multichannel depth direction frame construction and multichannel and open a direction frame construction, set up a plurality of intermediate columns 3 in the inside orientation frame construction that opens in house of outer wall structural framework, multichannel depth direction frame construction and multichannel form latticedly each other, and intermediate column 3 then regards as the intersect of net. Specifically, a plurality of depthwise framing structures and a plurality of interplacement framing structures are detachably mounted on the center pillars 3, except for four-corner structural pillars. Preferentially, the middle column 3 is connected with the frame structure in the depth direction and the frame structures in the multi-way opening direction in a bolt assembly manner; the middle column 3 is configured as a rocking column (this is prior art and will not be described in detail).
Further, the middle column 3 and the opening structure side column 23 play a role in resisting vertical force, and the middle column 3 has a small side force resisting role, so that the swing column can be arranged, and the node design is more convenient. The lateral force resistance in the depth direction is realized by a steel frame provided with a swing column (a middle column). Each steel frame is a lateral force resisting structure which jointly resists the lateral force in the depth direction of the structure. The support between the columns can be arranged in the depth direction to improve the rigidity of the structure. The connecting nodes of the frame structure beams in the depth direction and the frame structures in the opening direction (namely the side roof trusses) are arranged in the area avoiding the earthquake plastic hinge and are spliced in an end plate type bolt mode. Furthermore, the whole framework is assembled by the beam columns and the few standard components to form the whole structural system, and the standardization degree is high.
Referring to fig. 1 and 2, the depth direction frame structure includes a depth connecting beam 11 and a depth installation section 12. Further, in the present embodiment, both ends of the depth connecting beam 11 are mounted on the bay direction frame structure through the depth mounting sections 12. The preferred depth installation section 12 is a reserved bracket section for a factory, and the depth connecting beam 11 is a general steel beam with a section smaller than the reserved bracket section for the factory. The advantage of doing so is that the on-the-spot connected node sets up in the less department of deep tie beam 11 moment of flexure, consequently can conveniently realize bolted connection. Because the bolt connection is difficult to achieve equal strength, the bolt connection can only be arranged at a place with smaller bending moment (the equal strength is not required because the bolt connection is not a place where plastic hinge consumes energy during earthquake).
In the case of the depth mounting section 12, the top end of the middle column 3 is disposed on the bottom surface of the depth connecting beam 11, and further, the middle column 3 is a swing column, and the top end thereof is hinged to the depth connecting beam 11. Besides the swing column, the middle column 3 can also adopt a rectangular column, the rectangular column extends out of a section of bracket and can be connected with the beam through bolts in an end plate connection mode, and the extending-out bracket has the advantages of reducing the bending moment of a connection point and facilitating the adoption of bolt connection (here, the conventional connection mode is not specifically shown).
With reference to the above description and fig. 1 to 4, the spacing direction frame structure is provided with a plurality of spacing structure side columns 23 at intervals, the spacing direction frame structure and the depth direction frame structure form a rectangular grid shape, and the spacing direction frame structure at the corner of the rectangular grid is provided with a side force resisting frame, and the side force resisting frame is arranged between the adjacent spacing structure side columns 23. The lateral force resisting frame comprises a lateral force resisting beam 21 and a concrete prefabricated wall plate 5; the lateral force resisting beam 21 and the bay structure side column 23 form a lateral force resisting frame, and for the installation of the concrete prefabricated wall panel 5, two modes are provided, as follows:
referring to fig. 3, 4 and 6, the precast concrete wall panel 5 is connected to the lateral force resisting beam 21, the pre-buried threaded members 51 are arranged at intervals at the top and the bottom of the precast concrete wall panel 5, the lateral force resisting beam is provided with first mounting holes 63 corresponding to the pre-buried threaded members 51, and the precast concrete wall panel 5 is mounted by connecting the first threaded members through the first mounting holes 63 after the first mounting holes 63 correspond to the pre-buried threaded members 51. Preferably, pre-buried screw member 51 is pre-buried screw sleeve, can strengthen stability with the inside pre-buried muscle welded fastening of precast concrete wallboard 5, and first screw member is the bolt, and the bolt passes first mounting hole and screws into in the pre-buried screw sleeve and installs.
Referring to fig. 1, fig. 2 and fig. 5, the precast concrete wall panel 5 is connected to the bay structure side column 23, the pre-buried screws 51 are arranged at intervals on the side of the precast concrete wall panel 5, the bay structure side column 23 is provided with second mounting holes 61 corresponding to the pre-buried screws 51, and the precast concrete wall panel 5 is mounted by connecting the second mounting holes 61 with the pre-buried screws 52 through the second screws after the second mounting holes 61 correspond to the pre-buried screws. Preferably, pre-buried screw thread spare is pre-buried screw sleeve, can strengthen stability with the inside pre-buried muscle welded fastening of precast concrete wallboard, and the second screw thread spare is the bolt, and the bolt passes second mounting hole 61 and screws into in the pre-buried screw sleeve and installs.
When the frame structure in the opening direction has a plurality of layers (4 layers in this embodiment), the plurality of layers of the side force resisting frames form one side force resisting frame. The structural columns at the four corners in the outer wall structural frame are the bay structural side columns 23 at the two ends of the bay direction frame structure, i.e., the lateral force resisting frame is arranged between the adjacent bay structural side columns 23. A concrete prefabricated wall panel 5 is installed in each lateral force resisting frame.
Furthermore, in the external wall structure frame, the number of the lateral force resisting frames is at least two, because the external wall frame has two spacing direction frame structures; preferably, two side force resisting frames are arranged in the same frame structure in the opening direction, and are respectively arranged at two side trusses of the frame structure in the opening direction, please refer to fig. 1 and 3.
Further, the side force resisting beam 21 is H-shaped steel and is mounted on the bay structure side column 23 through a mounting member 22, the mounting member 22 is additional T-shaped steel, one end of one of the additional T-shaped steel is connected to the structure column, i.e., the bay structure side column (H-shaped steel), and the other end is connected to the side force resisting beam 21; the other said additional T-section steel is connected at one end to the bay structure jamb 23 and at the other end to the anti side beam 21. The columns are not large enough in size to form a strong side force resisting frame with large steel beams. Because the width of stand is less in X direction (the direction of separating), so need increase T shaped steel, directly do the stand greatly and influence the indoor space, and standard stand + T shaped steel has formed an L type cross-section moreover, possesses sufficient anti lateral stiffness in two directions. The H-shaped steel has high structural strength, can play a role in resisting lateral force, and is also used as a core component of a lateral force resisting frame. Alternatively, it may be preferred that the mounting member 22 be a rectangular tube.
Further, the side columns 23 of the bay structure except for the side force resisting frame of the bay direction frame structure are connected by the bay connecting beam 24. Preferably, the cross-section of the intermediate connection beam 24 is smaller than that of the cantilever beam 21, which is not a main bearing member of the resistance side, so that a general steel beam or H-shaped steel is used, and a large amount of steel can be saved with respect to the same type of structural beam. Preferably, the bay tie beam 24 is mounted to the bay structure jamb 23 by means of a T-section steel 25.
Referring to fig. 7, 8, 9 and 10, in the embodiment, except the lateral force resisting frame, the steel beams of the other trusses not only have small sections, but also can be hinged at two ends, so that the connection is very convenient.
Still further, the connection mode between the bay connecting beam 24 and the bay structure side column 23 is hinged, and the connecting beam bears a small load and a small span, and does not need to form a frame with the column to bear a lateral force, so the connecting beam can be mechanically hinged. The advantage of being arranged to be hinged is that the connection node of the connecting device and the upright post can be conveniently connected through a small number of bolts, and the trouble of welding the rigid connection node on site is avoided.
In the present embodiment, the bay connecting beam 24 provides two joint modes, both of which are connected to the bay structure side column 23 through the T-section steel 25, please refer to fig. 7 and 8, one is that the end surfaces of the bay connecting beam 24 and the T-section steel 25 are both provided with steel plates, and the steel plates are connected by passing through holes after being aligned, and the other one refers to fig. 9 and 10, and the area of the steel plates is larger than the cross sections of the bay connecting beam 24 and the T-section steel 25, so that the installation mode is more stable.
As a preferred embodiment of this embodiment, the inter-opening direction frame structure and the depth direction frame structure are multiple channels, and the multiple channels of the inter-opening direction frame structure and the depth direction frame structure form a grid-shaped frame; the middle nodes of the latticed framework are provided with middle columns 3. The grid of the grid-shaped framework is laid with the floor slab, which is common knowledge and is not explained.
Further, in the horizontal direction, the depth direction frame structure is adaptively set to a plurality of channels, in this embodiment, 7 channels, according to the area of the external wall structure system of the house; the frame structure in the depth direction is adaptively designed to have a plurality of floors according to the number of floors designed in the outer wall structure system of the house, and can be determined according to actual construction at the time of specific construction. The same is true of the frame structure in the pitch direction. When the frame structure in the depth direction is multilayer, the multilayer depth connecting beam 11 and the depth mounting section 12 are matched with the structural column and the intermediate column 3 to form a frame in the depth direction. The structure in the depth direction can adopt a frame system or a frame supporting system.
In the practical process, the grid-shaped frame generally has four rows or three rows of columns in the depth direction, and the number of columns is not more. However, the present invention should not be limited to this, and the preferred embodiment is only exemplified in the present embodiment.
In summary, the bolt connection is mentioned in the embodiment many times, and the connection manner of the bolt is not described in detail, because the bolt connection is a general manner of via connection between two members, and it is within the technical scope known by those skilled in the art, and there is no doubt and understanding obstacle in fact, because the redundant description and drawing description are not made on the technical feature of the bolt connection in the embodiment.
It should be noted that, in the present embodiment, the lateral force resisting frame is disposed at the corner of the integral frame, because the large lateral force resisting frame generally has a little influence on the indoor space, the large lateral force resisting frame is generally disposed in the places such as staircases, toilets, and the like, which are often at the corner. But does not represent that corner settings are necessary.
The utility model has the advantages that:
1. due to the fact that the full-bolt connection nodes are adopted, all the components are connected through the bolts, construction speed is high, and construction quality is controllable.
2. According to the plane of buildings such as dormitories and the like and by combining the arrangement characteristics of the vertical face windows, an innovative lateral force resisting mode is adopted, so that the lateral force resisting mode can be separated from the vertical force resisting mode, the sizes of structural members except lateral force resisting trusses are reduced, the steel consumption is greatly reduced, and the structural cost is saved.
3. And a clear lateral force resisting mode is adopted, and the structure has good anti-seismic performance.
4. The wall board with the opening is innovatively used as a lateral force resisting structure, and the problem that the window position cannot be provided with a support is ingeniously solved. And the lateral force resistance and the vertical force resistance can be separated, the sizes of structural members except for the lateral force resistance truss are reduced, the steel consumption is greatly reduced, and the structural cost is saved.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
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| CN202023278927.1U CN214423572U (en) | 2020-12-30 | 2020-12-30 | Steel frame and concrete wallboard mixed full-assembly type multilayer steel structure system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687564A (en) * | 2022-04-03 | 2022-07-01 | 上海泰大建筑科技有限公司 | Connecting joint of upright post and horizontal component and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687564A (en) * | 2022-04-03 | 2022-07-01 | 上海泰大建筑科技有限公司 | Connecting joint of upright post and horizontal component and construction method thereof |
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