CN220247190U - Steel frame hollow wall supporting system - Google Patents
Steel frame hollow wall supporting system Download PDFInfo
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- CN220247190U CN220247190U CN202321924271.7U CN202321924271U CN220247190U CN 220247190 U CN220247190 U CN 220247190U CN 202321924271 U CN202321924271 U CN 202321924271U CN 220247190 U CN220247190 U CN 220247190U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 186
- 239000010959 steel Substances 0.000 title claims abstract description 186
- 230000008093 supporting effect Effects 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model relates to a steel frame hollow wall supporting system which comprises a steel frame and a plurality of hollow walls, wherein the steel frame is provided with a plurality of plane spaces, and each hollow wall is arranged in the plane space of a designated position. The hollow wall body is a prefabricated steel mesh module with a plurality of hollow holes, the shape of the prefabricated steel mesh module is matched with the shape of the plane space, and the periphery of the hollow wall body can be welded and fixed with the steel frame around the corresponding plane space. The utility model can integrate the advantages of the existing center support, eccentric support and energy dissipation support, and has the advantages of easy adjustment of rigidity and convenient construction.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a steel frame hollow wall supporting system.
Background
The steel frame-supporting structure is a common structural form in multi-story high-rise steel structure buildings, and the steel frame supporting structure is used for improving the structural bearing capacity and the lateral rigidity by arranging supports among part of frame columns on the basis of the steel frame structure. The supporting system and the frame system jointly act to form a dual lateral force resisting structure system, which not only provides a certain rigidity for the structure under the normal stress condition, but also provides two stress defense lines for the structure under the horizontal earthquake action and the action of larger wind load, thereby forming an ideal damage mechanism for people. However, different support arrangements have different effects, including the type of support, the location of the support arrangement, and the selected cross-sectional form of the support bar. The types of supports currently exist mainly:
(1) And (3) center support: the two ends of the supporting member are both positioned at the beam column node, or one end of the supporting member is positioned at the beam column node, one end of the supporting member is intersected with other supporting rod pieces, and the central supporting is characterized in that the axes of the supporting rod pieces and the axes of the beam column node are intersected at one point, so that the rigidity of the supporting system is high. The center support includes: single diagonal bracing, cross bracing, chevron bracing, V-shaped bracing, K-shaped bracing, cross bracing.
(2) And (3) eccentric support: the axis of the support bar does not intersect the axis of the beam column at a point, but is offset a distance, forming a "dissipative beam section" that yields prior to the support member. The eccentric support comprises a herringbone eccentric support, a V-shaped eccentric support, a splayed eccentric support, a single-inclined-rod eccentric support and the like.
(3) Energy dissipation support: the support rods are designed as energy dissipation rods to absorb and dissipate seismic energy and reduce seismic response.
Each of these three supports has drawbacks. At present, a steel frame-ductile steel plate wall system is also available, and steel plate walls are used for replacing supports and are used for buildings with very large heights, and a large number of horizontal and vertical stiffening ribs are required to be arranged on the steel plate walls so as to avoid instability of the walls. However, this system has the following disadvantages: because the steel plate has large area and large in-plane rigidity, the rigidity is not easy to adjust; the out-of-plane rigidity is small, a large number of horizontal and vertical stiffening ribs are required to be arranged to avoid instability of the wall body, the steel plate wall is high in manufacturing cost and impermeable, and the application range is limited.
Therefore, the inventor provides a steel frame hollow wall supporting system by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.
Disclosure of Invention
The utility model aims to provide a steel frame hollow wall supporting system which can integrate the advantages of the existing center support, eccentric support and energy dissipation support, and is easy to adjust in rigidity and convenient to construct.
The utility model aims to realize the steel frame hollow wall supporting system, which comprises a steel frame and a plurality of hollow walls; the steel frame is provided with a plurality of plane spaces, and each hollow wall body is arranged in the plane space of the appointed position; the hollow wall body is a prefabricated steel mesh module with a plurality of hollow holes, the shape of the prefabricated steel mesh module is matched with the shape of the plane space, and the periphery of the hollow wall body can be welded and fixed with the steel frame around the corresponding plane space.
In a preferred embodiment of the utility model, the prefabricated steel mesh module comprises an outer frame and a steel mesh formed by encircling a plurality of rod pieces, wherein two or more adjacent rod pieces are welded and fixed, the periphery of the steel mesh is welded and fixed at the position where the periphery of the steel mesh contacts the outer frame, and the outer frame is welded and fixed with a steel frame around a corresponding plane space; a plurality of hollow holes are formed in the steel mesh and between the steel mesh and the outer frame.
In a preferred embodiment of the present utility model, the hollow hole is regular hexagon, diamond, circle or triangle.
In a preferred embodiment of the present utility model, the outer frame is formed by splicing I-steel, rectangular steel pipes or round steel pipes.
In a preferred embodiment of the utility model, the rod is i-steel, rectangular steel pipe or round steel pipe.
In a preferred embodiment of the present utility model, stiffening plates are welded on the outer frame at positions corresponding to the welding positions with the steel mesh.
In a preferred embodiment of the present utility model, the outer frame is formed by splicing I-steel, and the rod member is I-steel; the welding position of the steel mesh and the outer frame is positioned on the outer surface of the flange plate of the outer frame, the web plate of the rod piece at the welding position is opposite to the web plate of the outer frame and is coplanar with the web plate of the outer frame, and the flange plate of the rod piece is perpendicular to the flange plate of the outer frame; two pairs of reinforcing structures are arranged on the web plate of the outer frame at positions corresponding to the two flange plates of the rod piece at the welding position, each pair of reinforcing structures comprises two stiffening plates symmetrically distributed on two sides of the web plate, and the plate surfaces of the stiffening plates are perpendicular to the web plate of the outer frame and the flange plates of the outer frame.
In a preferred embodiment of the present utility model, two or more adjacent rods are welded with a single bevel therebetween.
In a preferred embodiment of the present utility model, the planar space and the outer frame are rectangular in shape.
In a preferred embodiment of the present utility model, the steel frame is a rectangular frame structure formed by enclosing a plurality of steel beams and a plurality of steel columns, wherein the bottom ends of the steel columns at the bottommost layer are used for being connected with corresponding foundations, and corresponding planar spaces are formed by enclosing between two steel columns adjacent in the horizontal direction and two steel beams adjacent in the vertical direction and between two steel columns adjacent in the horizontal direction and buried members at the top surfaces of the steel columns at the bottommost layer and the foundations.
According to the steel frame hollow wall supporting system, the hollow wall body is arranged in the plane space of the steel frame, the hollow wall body and the steel frame jointly form the lateral force resisting system, the rigidity of the lateral force resisting system can be adjusted according to the hollow rate of the hollow wall body and the cross section shape and size of the hollow hole, stress coordination between the steel frame and the hollow wall body is achieved, rigidity adjustment is more flexible, and selection is provided for professional arrangement of buildings. Meanwhile, the hollow wall body is arranged on the steel frame, so that the advantages of the existing center support, eccentric support and energy dissipation support can be integrated, and a better alternative scheme is provided for the existing steel frame support structure. In addition, the hollow wall body adopts a mode of integrally prefabricating a module, so that the construction efficiency is higher.
Drawings
The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:
fig. 1: the structural schematic diagram of the steel frame hollow wall supporting system is provided.
Fig. 2: the utility model provides a local structure diagram of the hollowed wall body when the hollowed holes adopt hexagons.
Fig. 3: is a cross-sectional view at A-A of fig. 2.
Fig. 4: an enlarged view of the connecting node of the adjacent three bars in fig. 3.
Fig. 5: a cross-sectional view of the rod in fig. 4 is shown using i-steel.
Fig. 6: a cross-sectional view of the rod in fig. 4 using rectangular steel tubes.
Fig. 7: a cross-sectional view of the rod in fig. 4 using a circular steel tube.
Fig. 8: the structure diagram of the hollowed wall body provided by the utility model is that the hollowed holes adopt triangles.
Fig. 9: the structure diagram of the hollowed wall body provided by the utility model is that the hollowed holes are round.
Reference numerals illustrate:
1. a steel frame; 10. a planar space; 11. a first layer steel column; 12. a two-layer steel column; 13. a first layer of steel girder; 14. two layers of steel beams; 15. stiffening plates;
2. hollow wall bodies; 20. a hollowed hole; 21. an outer frame; 22. a rod piece;
3. a foundation; 31. a first base; 32. a second base;
4. a buried member.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1 to 9, the present application provides a steel frame hollow wall support system, which comprises a steel frame 1 and a plurality of hollow walls 2; the steel frame 1 is provided with a plurality of plane spaces 10, and each hollow wall body 2 is arranged in the plane space 10 at a specified position; the hollow wall body 2 is a prefabricated steel mesh module with a plurality of hollow holes 20, the shape of the prefabricated steel mesh module is matched with that of the plane space 10, and the periphery of the hollow wall body 2 can be welded and fixed with the steel frame 1 around the corresponding plane space 10.
It can be understood that the number of the planar spaces 10 is greater than the number of the hollow walls 2, and specifically, the hollow walls 2 are installed at the planar spaces 10 where the support needs to be added according to the stress condition. The hollowed rate of the hollowed wall body 2 and the cross-sectional shape and size of the hollowed hole 20 are determined according to the rigidity requirement which needs to be achieved by the whole support system so as to meet the support requirement. In the prior art, the two ends of the center support are connected at the intersection point of the beam column, and the horizontal rigidity of the structure is increased by the tension or compression of the support rod piece under the action of an earthquake; one end of the eccentric support in the prior art is connected to the intersection point of the beam and the column, and the other end is only connected to the beam, so that a small section on the beam forms an energy-consumption beam section; in the prior art, a damper is added in the axial direction of a central support rod piece, and energy dissipation and shock absorption are realized by increasing structural damping. The rigidity is provided for the structural main body through the structure of the hollowed wall body 2 and the whole formed by connecting the hollowed wall body 2 with the steel frame 1, and energy and vibration are consumed and damped through the axial deformation and bending deformation of the rod piece 22 of the hollowed wall body 2; and further integrates the advantages of the existing center support, eccentric support and energy dissipation support.
From this, the steel frame fretwork wall braced system of this application sets up fretwork wall body 2 in the plane space 10 of steel frame 1, and fretwork wall body 2 and steel frame 1 constitute anti side force system jointly, and its rigidity can be adjusted according to fretwork rate and the cross-sectional shape and the size of fretwork hole 20 of fretwork wall body 2 for the atress is coordinated between steel frame 1 and the fretwork wall body 2, and rigidity adjustment is more nimble, provides the selection for the construction specialty is arranged. Meanwhile, the hollow wall body 2 is arranged on the steel frame 1, so that the advantages of the existing center support, eccentric support and energy dissipation support can be integrated, and a better alternative scheme is provided for the existing steel frame support structure. In addition, the hollow wall body 2 adopts a mode of integrally prefabricating a module, so that the construction efficiency is higher.
In a specific implementation manner, referring to fig. 2, 8 and 9, the prefabricated steel mesh module includes an outer frame 21 and a steel mesh formed by enclosing a plurality of rod pieces 22, two or more adjacent rod pieces 22 are welded and fixed, the outer periphery of the steel mesh is welded and fixed at a position where the outer periphery of the steel mesh contacts the outer frame 21, and the outer frame 21 is welded and fixed with the steel frame 1 around the corresponding planar space 10; a plurality of hollowed-out holes 20 are formed in the steel mesh and between the steel mesh and the outer frame 21.
The hollow hole 20 may be, for example, regular hexagon, diamond, circle or triangle, or may be other shapes as needed. The bottom and the top of the hollowed wall body 2 are connected with the beam of the steel frame 1, the left side and the right side are connected with the columns of the steel frame 1, and the contribution of the wall bodies with different hollowed shapes to the structural rigidity is also different; the general diamond and triangle have larger contribution to structural rigidity than the round and hexagon, namely the supporting effect is good, but the energy consumption effect is good. The hollow wall body 2 has the primary function of providing support and energy consumption effects for the structure, and secondly, can provide attractive effects for buildings and environments. Under the condition of beam column size determination of the steel frame 1, the same structural rigidity level can be achieved by adopting walls with different hollowed shapes, and the mode is realized by adjusting the hollowed rate, namely, the size of the rod piece 22 and the size of the hole. The shape and size of the particular hollowed-out hole 20 are determined according to the actual rigidity and support requirements.
When designing, the hollow wall body 2 and the steel frame 1 are integrally calculated to meet the structural bearing capacity and deformation requirements. The hollow wall body 2 is supported in an elastic stress state under the action of most earthquakes; the rod 22 of the partially hollowed wall 2 is allowed to yield and consume energy in rare earthquakes. Specifically, the steel frame hollow wall structure needs to be designed and calculated according to the arrangement mode of the steel columns and steel beams of the steel frame 1 and the rod pieces 22 in the hollow wall 2 so as to meet the structural bearing capacity and displacement requirements. In the case of most and rare earthquakes, the finite elements of the rod 22 are used for analysis and calculation. Because of the small size of the outer frame 21, the whole calculation can be omitted, the rod piece 22 is connected with the steel beam column diameter of the steel frame 1, and the assumption of rigid connection is adopted. The hollow wall body 2 is a prefabricated unit, the outer frame 21 and the steel beam columns of the steel frame 1 are welded, and the principle is that the rod piece 22 of the hollow wall body 2 is connected with the steel beam columns of the steel frame 1 through equal strength or the weld joint bearing capacity is calculated according to the combined internal force of the rod piece 22 calculated by rare earthquakes.
Further, the outer frame 21 may be formed by splicing i-steel, rectangular steel pipes or round steel pipes. Referring to fig. 5 to 7, the rod 22 may be i-steel, rectangular steel pipe, or circular steel pipe.
In order to improve the strength of the welding position between the outer frame 21 and the steel mesh, a stiffening plate 15 is welded to the outer frame 21 at a position corresponding to the welding position between the steel mesh and the outer frame.
The outer frame 21 is more preferably made of i-steel, so that the processing is more convenient, and when the rod piece 22 is also made of i-steel, in order to effectively ensure the welding effect and the structural strength, referring to fig. 2 and 3, the welding position of the steel mesh and the outer frame 21 is located on the outer surface of the flange plate of the outer frame 21, the web of the rod piece 22 at the welding position is opposite to the web of the outer frame 21 and is coplanar with the web of the outer frame 21, and the flange plate of the rod piece 22 is perpendicular to the flange plate of the outer frame 21; two pairs of reinforcing structures are arranged on the web plate of the outer frame 21 at positions corresponding to the two flange plates of the rod piece 22 at the welding position, each pair of reinforcing structures comprises two stiffening plates 15 symmetrically distributed on two sides of the web plate, and the plate surfaces of the stiffening plates 15 are perpendicular to the web plate of the outer frame 21 and the flange plates of the outer frame 21.
In order to ensure that the strength of the welding seam can be consistent with that of the rod pieces 22, the overall strength after welding is effectively ensured, and two or more adjacent rod pieces 22 are welded by a single-side groove.
Further, the planar space 10 and the outer frame 21 are generally rectangular in shape, the steel frame 1 is a rectangular frame structure formed by enclosing a plurality of steel beams and a plurality of steel columns, the bottom ends of the steel columns at the bottommost layer are used for being connected with the corresponding foundation 3, and the planar space 10 is formed by enclosing between two steel columns adjacent in the horizontal direction and two steel beams adjacent in the vertical direction and between two steel columns adjacent in the horizontal direction and the buried member 4 at the top surface of the bottommost layer and the foundation 3.
It will be appreciated that each steel column is vertically arranged, each steel beam is horizontally arranged, the bottom end of the steel column at the bottommost layer (i.e. the first layer steel column 11) is directly connected with the corresponding foundation 3, no steel beam is connected between the steel columns at the adjacent bottommost layer, and the steel beam connected to the top end of the steel column at the bottommost layer is the steel beam at the bottommost layer (i.e. the first layer steel beam 13). If the hollow wall body 2 is installed at the bottommost layer, the two foundations 3 at the bottom ends of the two steel columns corresponding to the planar space 10 are connected into a whole (namely, the first foundation 31), and the embedded member 4 (for example, an embedded steel plate) is embedded on the first foundation 31 through anchor bars so that the bottom of the hollow wall body 2 at the bottom layer is fixed with the embedded member 4. The steel columns at the bottommost layer correspond to the bottom layer (namely one layer) of the whole steel frame 1, and each steel column above the bottommost layer sequentially corresponds to two layers, three layers and the like of the whole steel frame. The hollow wall body 2 is generally installed on at least one layer and two layers of the steel frame 1, and the specific installation quantity is determined according to actual supporting requirements.
Taking the steel frame 1 as two layers as an example, the construction process is as follows:
first, the first foundation 31 is poured, and the embedded member 4 is arranged on the top of the first foundation, so that elevation and flatness are ensured; the second foundation 32 is poured.
After each foundation 3 reaches the design strength, the first layer steel column 11 is installed.
The hollowed wall body 2 is manufactured in a factory, the inner rods 22 are welded, the rods 22 and the outer frame 21 are welded, and the stiffening plates 15 are welded at the joint of the rods 22 and the outer frame 21.
And lifting the hollow wall body 2 of one layer in place, welding the bottom of the outer frame 21 of the hollow wall body 2 with the buried member 4, and welding the two sides of the outer frame 21 with the adjacent left and right first-layer steel columns 11.
And (3) installing a first-layer steel beam 13, and welding the top of the first-layer hollow wall body 2 with the first-layer steel beam 13.
And installing two layers of steel columns 12, installing two layers of hollow wall bodies 2, welding the bottom of an outer frame 21 of the hollow wall bodies 2 with a first layer of steel beams 13, and welding the left side and the right side of the outer frame 21 with the two layers of steel columns 12 in an adjacent action.
And a second-layer steel beam 14 is installed, and the bottom of the second-layer steel beam is welded with the top of the second-layer hollowed wall 2.
The structural floor slab of the hollow frame wall body 2 is constructed according to conventional design.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (10)
1. The steel frame hollow wall supporting system is characterized by comprising a steel frame and a plurality of hollow walls;
the steel frame is provided with a plurality of plane spaces, and each hollow wall body is arranged in the plane space of the appointed position; the hollow wall body is a prefabricated steel mesh module with a plurality of hollow holes, the shape of the prefabricated steel mesh module is matched with the shape of the plane space, and the periphery of the hollow wall body can be welded and fixed with the steel frame around the corresponding plane space.
2. The steel frame hollow wall support system of claim 1, wherein,
the prefabricated steel mesh module comprises an outer frame and a steel mesh formed by encircling a plurality of rod pieces, wherein two or more adjacent rod pieces are welded and fixed, the periphery of the steel mesh is welded and fixed at the position where the periphery of the steel mesh contacts with the outer frame, and the outer frame is welded and fixed with the corresponding steel frame around the plane space; and a plurality of hollowed holes are formed in the steel mesh and between the steel mesh and the outer frame.
3. The steel frame hollow wall support system of claim 2, wherein,
the hollow holes are regular hexagons, diamonds, circles or triangles.
4. The steel frame hollow wall support system of claim 2, wherein,
the outer frame is formed by splicing I-steel, rectangular steel pipes or round steel pipes.
5. The steel frame hollow wall support system of claim 2, wherein,
the rod piece is I-steel, rectangular steel pipe or round steel pipe.
6. The steel frame hollow wall support system of claim 2, wherein,
and stiffening plates are welded on the outer frame and correspond to the welding positions of the steel mesh.
7. The steel frame hollow wall support system of claim 6, wherein,
the outer frame is formed by splicing I-steel, and the rod piece is the I-steel;
the welding position of the steel mesh and the outer frame is positioned on the outer surface of the flange plate of the outer frame, the web plate of the rod piece at the welding position is opposite to the web plate of the outer frame and is coplanar with the web plate of the outer frame, and the flange plate of the rod piece is perpendicular to the flange plate of the outer frame; two pairs of reinforcing structures are arranged on the web plate of the outer frame at positions corresponding to the two flange plates of the rod piece at the welding positions, each pair of reinforcing structures comprises two stiffening plates symmetrically distributed on two sides of the web plate, and the plate surfaces of the stiffening plates are perpendicular to the web plate of the outer frame and the flange plates of the outer frame.
8. The steel frame hollow wall support system of claim 2, wherein,
and a single-side groove is welded between two or more adjacent rod pieces.
9. The steel frame hollow wall support system of claim 2, wherein,
the shape of the plane space and the outer frame is rectangular.
10. The steel frame hollow wall support system of claim 9, wherein,
the steel frame is a rectangular frame structure formed by encircling a plurality of steel beams and a plurality of steel columns, the bottom ends of the bottommost steel columns are used for being connected with corresponding foundations, and corresponding plane spaces are formed by encircling two steel columns adjacent in the horizontal direction between two steel columns adjacent in the vertical direction and between two steel columns adjacent in the horizontal direction and buried parts of the bottommost steel beams and the top surface of the foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924271.7U CN220247190U (en) | 2023-07-20 | 2023-07-20 | Steel frame hollow wall supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924271.7U CN220247190U (en) | 2023-07-20 | 2023-07-20 | Steel frame hollow wall supporting system |
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| CN220247190U true CN220247190U (en) | 2023-12-26 |
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| CN202321924271.7U Active CN220247190U (en) | 2023-07-20 | 2023-07-20 | Steel frame hollow wall supporting system |
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- 2023-07-20 CN CN202321924271.7U patent/CN220247190U/en active Active
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