CN213868288U - Full-assembly house structure system - Google Patents
Full-assembly house structure system Download PDFInfo
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- CN213868288U CN213868288U CN202022413245.0U CN202022413245U CN213868288U CN 213868288 U CN213868288 U CN 213868288U CN 202022413245 U CN202022413245 U CN 202022413245U CN 213868288 U CN213868288 U CN 213868288U
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Abstract
The utility model provides a full-assembled house structure system, which comprises a bay direction structure and a depth direction structure, and is characterized in that the nodes of the bay direction structure and the depth direction structure are detachably installed; the compartment direction structure is provided with a plurality of compartment structure side columns at intervals, and the compartment direction structure is provided with a combined lateral force resisting component; the lateral force resisting component comprises two cantilever beams and two mounting pieces, wherein one ends of the two cantilever beams are connected, and the other ends of the two cantilever beams are respectively mounted between the adjacent side columns of the inter-opening structure through the mounting pieces. The utility model discloses utilized the design theory of anti side power and anti vertical separation of power, adopted the scheme of concentrating the power and handling big affairs to anti side power, except anti side power pin, all the other pins need not to resist the side power.
Description
Technical Field
The utility model relates to an assembly type building structure indicates a full assembly type house structure system especially.
Background
At present, the steel structure system used for dormitories, teaching buildings and office buildings generally adopts a traditional steel frame structure system, a large amount of welding work exists in on-site splicing nodes, the construction speed is low, the quality of welding seams is limited by the level of welders and construction conditions, the steel consumption is up to 50-80 kilograms per square meter, and the economical efficiency is poor. The amount of steel used is reduced for the sake of improving the economy. Therefore, the utility model discloses turn to now!
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.
The technical scheme for realizing the purpose is as follows:
the utility model provides a full-assembled house structure system, which comprises a bay direction structure and a depth direction structure, and is characterized in that the nodes of the bay direction structure and the depth direction structure are detachably installed; the compartment direction structure is provided with a plurality of compartment structure side columns at intervals, and the compartment direction structure is provided with a combined lateral force resisting component; the lateral force resisting component comprises two cantilever beams and two mounting pieces, wherein one ends of the two cantilever beams are connected, and the other ends of the two cantilever beams are respectively mounted between the adjacent side columns of the inter-opening structure through the mounting pieces.
The utility model has the advantages that:
in the lateral force resisting component of the utility model, the cantilever beam connecting point on the left and right side opening structure side columns is at the middle point of the beam formed by the lateral force resisting component, and the middle point is exactly the position of the back bending point (the back bending point is the point of bending moment change sign, the bending moment is 0) of the beam bending moment caused by the lateral force, so that the bending resistance requirement on the node is not high, and the connecting node can even be made to be hinged so as to facilitate the node design; and to whole system, the utility model discloses utilized the design theory of anti side power and anti vertical force separation, adopted the scheme of concentrating the power and handling big affairs to anti side power, except anti side power pin, all the other pins need not to resist the side power. In the conventional frame structure, each frame is used for resisting lateral force, so each frame needs to be designed to be large (although the frame is smaller than the side force resisting frame arranged in a concentrated way, the frame is far larger than the non-side force resisting frame arranged in a concentrated way), and therefore, the scheme saves the steel consumption: the lateral force resistance is approximately proportional to the square of the cross-sectional height (rather than a first order relationship), so for the same lateral force, it is obviously more economical to concentrate the lateral force resistance members in one or two places. And the size of the lateral force resisting rigid frame can just reserve the size of the window opening.
Furthermore, the side columns of the bay structure at the position of the side force resisting component in the bay direction structure are connected through the bay connecting beam. The steel consumption of the connecting beam is far less than that of the lateral force resisting component.
Furthermore, the connection mode between the bay connection beam and the bay structure side column is hinged. Because the load that the tie beam bore is very little, the span is also little, also need not to form the frame with the cylindricality and bear the side force, so can set up to hinge in mechanics. 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.
Furthermore, the two cantilever beams are connected through bolts. The mode of bolted connection can make things convenient for the equipment more, improves the efficiency of construction, because the tie point is in the girder steel mid point, and the mid point is exactly the position of the anti-bending point of girder steel moment of flexure that the lateral force leads to, and the moment of flexure that the lateral force brought is 0 point, so the bending resistance requirement to the node is not high, but can resist the lateral force again.
Furthermore, the two cantilever beams are connected in a hinged mode. Similarly, the connection point is at the middle point of the steel beam, the middle point is just the position of the back bending point of the steel beam bending moment for the lateral force, and the bending moment caused by the lateral force is 0, so that the bending resistance requirement on the node is not high, and the hinge mode can facilitate the node design.
Furthermore, the number of the side force resisting members is at least two, and the two side force resisting members are correspondingly arranged at two side trusses of the structure in the opening direction, namely at least one side force resisting member is respectively arranged at the two side trusses in the opening direction.
Further, the installed part is T shaped steel. After the T-shaped steel is added to the side face of the standard upright post, the standard upright post and the T-shaped steel form an L-shaped section, sufficient lateral stiffness is achieved in two directions, and the influence on the indoor space is small.
Furthermore, the cantilever beam is H-shaped steel. The structure has high strength, can play a role of resisting lateral force, and is also used as a core component of a lateral force resisting component.
Furthermore, the interval direction structure and the depth direction structure are multiple channels, and the multiple channels of the interval direction structure and the depth direction 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-opening direction structure and the depth direction structure are in multiple layers, and the multiple layers of the inter-opening direction structure and the depth direction structure represent the number of floors of the building framework system.
Further, the middle column is set as a swing column. The middle column and the side column of the compartment structure play a role in resisting vertical force, and the middle column does not participate in resisting lateral force, so that the node design is more convenient because the swing column can be designed. 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 depth direction can also be provided with an upper support and a lower support so as to improve the rigidity of the structure. The connecting nodes of the structure beams in the depth direction and the structures in the opening direction (namely the side roof beams) are arranged in the area avoiding the earthquake plastic hinge and are spliced by adopting an end plate type bolt mode. Furthermore, the whole structure system is formed by the side force resisting components, the side force resisting components and the connecting beams and by a small number of standard components, and the standardization degree is high.
Drawings
Fig. 1 is a top view of the structure of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a schematic view of a partial structure of the middle opening direction structure of the present invention.
Fig. 4 is a first node diagram of the connecting beam in the middle opening direction structure of the present invention.
Fig. 5 is a sectional view of fig. 4 taken along line 1-1.
Fig. 6 is a second node diagram of the connecting beam in the middle opening direction structure of the present invention.
Fig. 7 is a cross-sectional view 2-2 of fig. 6.
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, 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 structure, and the X direction corresponds to the inter-opening direction structure.
As shown in fig. 1, in the present embodiment, the depth direction structure and the bay direction structure enclose each other to form an external wall structure frame of a house, and the depth direction structure and the bay direction structure are connected. As shown, the outer wall structural frame is a rectangular frame.
Further, the area of the house is determined by the size of the outer wall structure frame of the house, when the area is large, a multi-channel depth direction structure and a multi-channel inter-opening direction structure can be arranged, a plurality of middle columns 3 are arranged inside the outer wall structure frame of the house, the multi-channel depth direction structure and the multi-channel inter-opening direction structure form a grid shape, and the middle columns 3 serve as cross points of the grid. Specifically, the plural depth direction structures and the plural inter-opening direction structures are detachably attached to the intermediate pillars 3 except for the four-corner structural pillars. Preferably, the mounting mode of the middle column 3, the depth direction structure and the multi-channel interval direction structure is in bolt assembly type connection; the intermediate column 3 is provided as a rocking column.
Furthermore, the middle column and the side column of the bay structure play a role in resisting vertical force, and the side force resisting role of the middle column is not very large, 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 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 depth direction can also be provided with an upper support and a lower support so as to improve the rigidity of the structure. The connecting nodes of the structure beams in the depth direction and the structures in the opening direction (namely the side roof beams) are arranged in the area avoiding the earthquake plastic hinge and are spliced by adopting an end plate type bolt mode. Furthermore, the whole structure system is formed by the side force resisting components, the side force resisting components and the connecting beams and by a small number of standard components, and the standardization degree is high.
Referring to fig. 1 and 2, the depth direction 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 structure through the depth mounting section 12. The preferable depth installation section 12 is a reserved bracket section for a factory, the depth connection beam 11 is a general steel beam, the section of the general steel beam is smaller than the reserved bracket section for the factory, and the two sections are installed and connected through the T-shaped steel 13. 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. Except for swinging the column, the middle column 3 can also adopt a rectangular upright column, the rectangular upright column stretches out one section of bracket, the rectangular upright column can be connected with the beam in a mode of adopting end plate connection through a bolt, the advantage of stretching out the bracket is that the bending moment of a connection point is reduced, and the bolt connection is convenient to adopt.
With reference to the above description and fig. 1 to 3, a plurality of spaced structure side columns 23 are arranged at intervals in the spacing direction, and a combined type lateral force resisting member is formed between the spaced structure side columns 23; the lateral force resisting component comprises two cantilever beams 21 and two installation parts 22, wherein one ends of the two cantilever beams 21 are connected, and the other ends of the two cantilever beams are respectively installed on the structural column and the interval structural side column 23 through the installation parts 22. When the spacing direction structure is multi-layered (4 layers in this embodiment), the multi-layered lateral force resisting member forms a lateral force resisting frame. The structural columns at the four corners in the outer wall structural frame are the opening structural side columns 23 at the two ends of the opening direction structure, i.e. the side force resisting members are arranged between the adjacent opening structural side columns 23.
Furthermore, the two cantilever beams 21 are hinged. Similarly, the connection point is at the middle point of the steel beam, the middle point is just the position of the back bending point of the steel beam bending moment for the lateral force, and the bending moment caused by the lateral force is 0, so that the bending resistance requirement on the node is not high, and the hinge mode can facilitate the node design.
In the lateral force resisting component of the utility model, the cantilever beam connecting point on the left and right side opening structure side columns is at the middle point of the beam formed by the lateral force resisting component, and the middle point is exactly the position of the back bending point (the back bending point is the point of bending moment change sign, the bending moment is 0) of the beam bending moment caused by the lateral force, so that the bending resistance requirement on the node is not high, and the connecting node can even be made to be hinged so as to facilitate the node design; for the whole system, the design concept of separating the lateral force resistance and the vertical force resistance is utilized, or the concentrated force is large, and the rest roof trusses do not need to resist the lateral force. In the conventional frame structure, each frame is used for resisting lateral force, so each frame needs to be designed to be large (although the frame is smaller than the side force resisting frame arranged in a concentrated mode, the frame is far larger than the non-side force resisting frame arranged in a concentrated mode), and therefore the steel consumption is saved. Since the lateral force resistance is approximately proportional to the square of the cross-sectional height (rather than a first order relationship), it is clearly more economical to concentrate the lateral force resistance members in one or two places for the same lateral force.
Further, in the above-mentioned outer wall structural frame, the number of the side force resisting members is at least two, because the outer wall frame has two structures in the opening direction; in the same opening direction structure, two side force resisting members are preferably provided at two side trusses of the opening direction structure, respectively, as shown in fig. 1.
Further, the cantilever beam 21 is H-shaped steel, one end of the two cantilever beams 21 can be connected through bolts except for hinging (the end parts of the two H-shaped steel are basically aligned, a plate is arranged on each H-shaped steel, then the plates are connected through holes by bolts after holes are formed in the plates, the bolt connection mode is a general mode in an assembly structure, and the holes are formed and then the bolts are connected through the holes); the mounting pieces 22 are additional T-section steels, one of which is connected at one end to a structural column, i.e., an intermediate structural side column (H-section steel), and at the other end to the cantilever beam 21; one end of the other additional T-section steel is connected to the bay structure side column 23, and the other end is connected to the cantilever 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 component. Alternatively, it may be preferred that the mounting member 22 be a rectangular tube.
Further, the opening structure side columns 23 of the opening direction structure are connected through an opening 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. 4, 5, 6 and 7, in the embodiment, except the lateral force resisting member, 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 this embodiment, the inter-connecting beam 24 provides two joint modes, please refer to fig. 5 and 7, one is that the end surfaces of the inter-connecting beam 24 and the T-section steel 25 are both provided with steel plates, and after aligning, the steel plates are connected by passing through holes of bolts, and the other is that the area of the steel plates is larger than the cross sections of the inter-connecting beam 24 and the T-section steel 25, so that the installation mode is more stable.
In this embodiment, in order to enhance the overall structural strength and resist the vertical force of the building structure, or if the number of layers is large, etc., the inter-column supports 4 may be disposed in the partition wall, so that the use is not affected. As a preferred embodiment of the present embodiment, the lateral force resisting frame and the depth direction frame may be provided with inter-column supports 4. In the drawings of the present embodiment, only the space between the two layers of the inter-open tie beams 24 in the depth direction frame is shown. The inter-column support 4 is a single diagonal rod group or a crossed diagonal rod group.
As a preferred embodiment of this embodiment, the inter-opening direction structure and the depth direction structure are multiple channels, and the multiple channels of the inter-opening direction structure and the depth direction 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 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; in addition, the depth direction structure is adaptively designed to be multi-story according to the designed number of stories of the outer wall structure system of the house, and in the embodiment, the stories are designed to be 5 stories, and the depth direction structure is set to be 4 stories (excluding the ground structure). The concrete construction time can be determined according to the actual construction. The same is true for the inter-division directional structure. When the structure in the depth direction is multilayer, the multilayer deep connecting beam 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 the side force resisting members are disposed at the corners of the integral frame in this embodiment, because the large side force resisting frame generally has a little influence on the indoor space, it is generally disposed in the staircases, toilets, and other places, which are often at the corners. 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 design concept of separating the lateral force resistance and the vertical force resistance is utilized, or the phenomenon of concentrating the force is great. The traditional frame structure is that each frame is used for resisting lateral force, so each frame is not small (though smaller than the side force resisting frame arranged in a concentrated way, the frame is far larger than the non-side force resisting frame arranged in a concentrated way), and the innovative scheme saves steel quantity. Since the total seismic force is the same, but the lateral force resistance is approximately proportional to the square of the cross-sectional height (rather than the first order relationship), concentrating one or two places arrangement is clearly more steel efficient. Examples are: lateral resistance 4 ═ 1 ═ 4 ═ 22+3 ═ 0.52 ═ 4.75, but the material 4 × 1>2+3 × -0.5)
Assuming that there are 4 frames in the opening direction with a steel amount of 1, and the lateral force resistance per frame is 1, the total lateral force resistance is 4, and the total steel amount is also 4.
Assuming that one of the frames is changed to a double width and the remaining frames are changed to a 0.5 times width, the lateral force resistance is 22+3 × 0.52 — 4.75, which is relatively increased, but the amount of steel used is 2+3 × 0.5 — 3.5. And the amount of steel used for increasing the section width in the actual process is not increased by 1 time.
| Traditional frame system | The utility model discloses anti side force frame system | |
| Resistance to lateral force | 4*12＝4 | 22+3*0.52＝4.75 |
| Amount of steel used | 4*1＝4 | 2+3*0.5＝3.5 |
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)
1. A full-assembly house structure system comprises a bay direction structure and a depth direction structure, and is characterized in that nodes of the bay direction structure and the depth direction structure are detachably installed; the compartment direction structure is provided with a plurality of compartment structure side columns at intervals, and the compartment direction structure is provided with a combined lateral force resisting component; the lateral force resisting component comprises two cantilever beams and two mounting pieces, wherein one ends of the two cantilever beams are connected, and the other ends of the two cantilever beams are respectively mounted between the adjacent side columns of the inter-opening structure through the mounting pieces.
2. The architecture of claim 1, wherein: and the side columns of the bay structure at the position of the side force resisting component in the bay direction structure are connected through the bay connecting beam.
3. The architecture of claim 2, wherein: the connection mode between the bay connecting beam and the bay structure side column is hinged.
4. The architecture of claim 1, wherein: the two cantilever beams are connected through bolts.
5. The architecture of claim 1, wherein: and the cantilever beams are hinged.
6. The architecture of claim 1, wherein: the number of the side force resisting members is at least two, and the two side force resisting members are correspondingly arranged at two side trusses of the opening direction structure.
7. The architecture of claim 1, wherein: the mounting piece is T-shaped steel.
8. The architecture of claim 1, wherein: the cantilever beam is H-shaped steel.
9. The architecture of claim 1, wherein: the inter-opening direction structure and the depth direction structure are multiple channels, and the multiple inter-opening direction structures and the depth direction structure form a grid-shaped frame; and a middle column is arranged at the middle node of the latticed frame.
10. The architecture of claim 9, wherein: the intermediate post is configured as a wobble post.
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| CN112252473A (en) * | 2020-10-26 | 2021-01-22 | 上海泰大建筑科技有限公司 | Full-assembly house structure system |
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| CN112252473A (en) * | 2020-10-26 | 2021-01-22 | 上海泰大建筑科技有限公司 | Full-assembly house structure system |
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