CN206245479U - A kind of equivalent wall unit of composite steel tunnel support - Google Patents

Abstract

The utility model discloses a kind of equivalent wall unit of composite steel tunnel support.The equivalent wall unit of composite steel tunnel support includes a root post, an X-type support frame and at least one K-type support frame, and horizontally disposed two crossbeam groups, wherein：Each crossbeam group includes at least three road crossbeams, and per pass crossbeam is fixedly connected and setting orthogonal with adjacent crossbeam with column；X-type support frame includes four coplanar symmetrically arranged first hounds, and every first hound one end is connected with column middle part, and the other end is connected with corresponding crossbeam；The setting orthogonal with X-type support frame of K-type support frame, including a perpendicular strut and two second hounds, perpendicular strut be arranged in parallel with column and two ends connect with corresponding crossbeam respectively, and every second hound one end is connected with perpendicular strut middle part, and the other end is connected with column.Compared to existing technology, the program can improve anti-side rigidity, limit lateral capacity and the stability of building, and improve the adaptability to building diversity arrangement.

Description

A composite steel support equivalent wall unit

technical field

The utility model relates to the technical field of construction engineering, in particular to a combined steel support equivalent wall unit.

Background technique

Compared with traditional concrete buildings, steel structure buildings have the advantages of high strength and good earthquake resistance. Since steel components can be prefabricated in factories and then transported to the construction site for installation, the project cycle can be greatly reduced; at the same time, based on the reusability of steel, the use of steel structure buildings can also reduce the generation of construction waste and be more environmentally friendly. Therefore, steel structures can be widely used in industrial buildings and civil buildings.

In the prior art, due to the heterogeneity of residential units and irregular wall layout, it is difficult to form a systematic lateral force resistance system for the existing steel frame column network, and it is difficult to find a suitable layout position for the support; in addition, due to the steel column The section is larger than the thickness of the wall, and there are often convex pillars and male corners at the four corners of the room, which affects the use of indoor buildings.

Utility model content

The purpose of the embodiment of the utility model is to provide a combined steel support equivalent wall unit to improve the lateral stiffness, lateral bearing capacity and stability of the building, and to improve the adaptability to the diverse layout of the building.

The embodiment of the utility model provides a combined steel support equivalent wall unit, which includes a column, an X-shaped support frame, at least one K-shaped support frame, and two horizontal beam groups, wherein:

The two beam groups are arranged in parallel, each beam group includes at least three beams arranged around the column, each beam is fixedly connected to the column and arranged orthogonally to adjacent beams;

The X-shaped support frame includes four first diagonal braces arranged symmetrically in the same plane, and one end of each first diagonal brace is connected to the middle of the column, and the other end is connected to the corresponding beam;

The K-shaped bracing frame is located between two opposite beams and is arranged orthogonally to the X-shaped bracing frame, including a vertical brace and two second diagonal braces, and the vertical brace is arranged parallel to the column And the two ends are respectively connected with the corresponding beams, one end of each second diagonal brace is connected with the middle part of the vertical brace, and the other end is connected with the column.

Optionally, each beam group includes three beams arranged in a T shape, and the number of the K-shaped support frame is one.

Optionally, each beam group includes four beams arranged in a cross shape, the number of the K-shaped support frames is two, and the two K-shaped support frames are respectively located on both sides of the column and are axially symmetrical set up.

Preferably, the beam is an I-beam.

Preferably, cross-beam connecting ends are respectively fixed at positions corresponding to the connection between the column and each cross-beam, and the cross-sectional shape of the cross-beam connecting end matches the cross-sectional shape of the cross-beam.

Optionally, the column is a rectangular steel tube column, a rectangular steel tube concrete column, a circular steel tube column, a circular steel tube concrete column, an I-shaped steel column, a cross-shaped steel column, or an L-shaped, T-shaped, or well-shaped special-shaped composite section steel column.

Optionally, the upright column is a rectangular steel pipe column or a rectangular steel pipe concrete column, and the upright column is provided with an inner ring plate or an outer ring plate at the position connected to the crossbeam connection end; or, the two sides of the flange plate at the crossbeam connection end Flange-side connection plates are respectively provided, and the sum of the width of the flange plate at the connection end of the beam and the thickness of the two flange-side connection plates is not greater than the side length of the section of the column.

Optionally, the upright column is a circular steel pipe column or a circular steel pipe concrete column, and the upright column is provided with an inner ring plate or an outer ring plate at a position connected to the connecting end of the beam.

Optionally, the upright column is an I-shaped steel column, a cross-shaped steel column, or an L-shaped, T-shaped, or well-shaped steel column with a special-shaped composite section, and the upright column is provided with a transverse partition at the position connected to the connecting end of the beam.

Preferably, the flange plate of each beam is welded to the flange plate at the corresponding beam connection end, and the web plate of each beam is connected to the web plate at the corresponding beam connection end through a connecting plate bolt.

Preferably, the end of the second diagonal brace connected to the column has a lug, the position where the column is connected to the second diagonal brace has an ear plate, and the corresponding positions of the lug and the ear plate have through holes , the second diagonal brace is hinged to the column through a pin passing through the through hole.

Preferably, the connection between the vertical brace and the cross beam is connected by end plate bolts, and a stiffener is provided on the web at the connection position between the cross beam and the vertical brace.

Preferably, one end of the first diagonal brace is welded to the middle of the column, and the other end is welded to the corresponding connecting end of the crossbeam, and a stiffener is provided on the web at the connection position between the connecting end of the crossbeam and the first diagonal brace rib.

Optionally, the first diagonal brace is a circular steel pipe, a rectangular steel pipe, an I-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel-shaped steel support, a cross-shaped steel support, a damper or a buckling-resistant support and/or, the vertical braces are circular steel pipes, rectangular steel pipes, I-shaped steel supports, T-shaped steel supports, L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports or buckling-resistant supports; and/or , the second diagonal brace is a circular steel pipe, a rectangular steel pipe, an I-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel-shaped steel support, a cross-shaped steel support, a damper or a buckling-resistant support.

In the technical solution of the utility model embodiment, one end of the first diagonal brace of the X-shaped support frame is connected with the middle part of the column, and the other end is connected with the corresponding beam, and the two ends of the vertical brace of the K-shaped support frame are respectively connected with the corresponding The beam is connected, and one end of the second diagonal brace is connected to the middle of the vertical brace, and the other end is connected to the column. In this way, when the building is subjected to a lateral force in the horizontal direction, the X-shaped support frame and the K-shaped support frame can laterally support the column. The support improves the lateral stiffness, lateral bearing capacity and stability of the building, and solves the problem of the male angle of the convex column, which can meet the flexible layout of the building wall.

Description of drawings

Fig. 1 is the structural representation of the combined steel support equivalent wall unit of an embodiment of the utility model;

Fig. 2 is a schematic structural view of a combined steel support equivalent wall unit in another embodiment of the present invention;

Fig. 3 is the local structural schematic diagram 1 of the composite steel support equivalent wall unit of the embodiment of the present invention;

Fig. 4 is the partial structural schematic diagram 2 of the composite steel support equivalent wall unit of the embodiment of the present invention;

Fig. 5 is the partial structure schematic diagram three of the composite steel support equivalent wall unit of the embodiment of the present invention;

Fig. 6 is a partial structural schematic diagram 4 of a combined steel support equivalent wall unit according to an embodiment of the utility model.

Reference signs:

1-column

2-beam

31-Vertical brace

32-Second diagonal brace

33-end plate

4-Beam connection end

5- Flange side connecting plate

6-connection plate

7- Connection parts

71-lug

72-ear plate

73-pin shaft

8- Stiffener

9- The first diagonal brace

detailed description

In order to improve the lateral rigidity of the building, thereby improving the lateral bearing capacity and stability of the building, as well as the adaptability to the heterogeneous layout of the building, the embodiment of the utility model provides a combined steel support equivalent wall unit. In order to make the purpose, technical solutions and advantages of the utility model clearer, the following examples are given to further describe the utility model in detail.

As shown in Figure 1, the combined steel support equivalent wall unit provided by the embodiment of the utility model includes a column 1, an X-shaped support frame and at least one K-shaped support frame, and two beam groups arranged horizontally, wherein :

Two beam groups are arranged in parallel, and each beam group includes at least three beams 2 arranged around the column 1, and each beam 2 is fixedly connected to the column 1 and arranged orthogonally to the adjacent beam 2;

The X-shaped support frame includes four first diagonal struts 9 arranged symmetrically in the same plane, and one end of each first diagonal strut 9 is connected to the middle of the column 1, and the other end is connected to the corresponding beam 2;

The K-shaped bracing frame is located between two opposite beams 2 and is arranged orthogonally to the X-shaped bracing frame, including a vertical brace 31 and two second diagonal braces 32, the vertical brace 31 is arranged in parallel with the column 1 and Both ends are respectively connected to the corresponding beams 2 , one end of each second diagonal strut 32 is connected to the middle of the vertical strut 31 , and the other end is connected to the column 1 .

In the technical solution of the utility model embodiment, one end of the first diagonal brace 9 of the X-shaped support frame is connected to the middle of the column 1, and the other end is connected to the corresponding beam 2, and the two ends of the vertical brace 31 of the K-shaped support frame They are respectively connected to the corresponding beams 2, one end of the second diagonal brace 32 is connected to the middle of the vertical brace 31, and the other end is connected to the column 1, so that when the building is subjected to a lateral force in the horizontal direction, the X-shaped bracing frame and the K-shaped bracing The supporting frame can laterally support the column 1, thereby improving the lateral rigidity of the building, thereby improving the lateral bearing capacity and stability of the building. In addition, the use of the combined steel-supported equivalent wall unit can also avoid the appearance of convex pillars and male corners at the four corners of the room, so it can meet the needs of flexible layout of building walls.

As shown in FIG. 1 , in a preferred embodiment of the present invention, each beam group includes three beams 2 arranged in a T shape, and the number of K-shaped support frames is one. At this time, the combined steel braced equivalent wall unit is set in a T shape as a whole, and the combined steel braced equivalent wall unit can be applied to the corner of the outer wall side of the building. As shown in Figure 2, in another preferred embodiment of the present utility model, each beam group includes four beams 2 arranged in a cross shape, the number of K-shaped support frames is two, and the two K-shaped support frames are respectively It is located on both sides of the column 1 and arranged axially symmetrically. At this time, the composite steel braced equivalent wall unit is arranged in a cross shape as a whole, and the combined steel braced equivalent wall unit can be applied to the corner of the internal partition wall of the building.

As shown in Fig. 4, in a specific embodiment of the present invention, the beam 2 is an I-shaped steel beam. The I-beam beam can reduce the consumption of steel and the self-weight of the steel structure while ensuring good bearing strength, thereby reducing the cost.

As shown in Figures 3 and 4, in a preferred embodiment of the present utility model, the position where the column 1 is connected to each beam 2 is respectively fixed with a beam connection end 4, and the cross-sectional shape of the cross-beam connection end 4 is the same as that of the cross-beam 2. match. The arrangement of the connecting end 4 of the beam makes the connection between the column 1 and the beam 2 more convenient and easy to realize, and the connection strength is also higher.

The specific form of the column is not limited, for example, it can be rectangular steel tube column, rectangular steel tube concrete column, circular steel tube column, circular steel tube concrete column, I-shaped steel column, cross-shaped steel column or L-shaped, T-shaped, well-shaped special-shaped Composite cross-section steel columns, etc., can be selected according to the actual situation during construction.

The specific form of the connection node at the connection end of the column and the beam can be determined according to the cross-sectional shape of the column. In a specific embodiment of the present utility model, the upright column 1 is a rectangular steel pipe column, and the flange side connecting plates 5 are respectively arranged on both sides of the flange plate at the connecting end 4 of the beam, and the arrangement of the flange side connecting plates 5 can ensure that the beam 2 The force is effectively transmitted to the column 1. At this time, the column 1 does not need to be provided with an internal diaphragm, and the joint method is simple, and it is convenient for pouring concrete. The sum of the thicknesses of the connecting plates 5 needs to be no greater than the side length of the section of the column 1, so as to ensure that the connection between the beam 2 and the column 1 is not affected by the size, thereby improving the assembly efficiency of the prefabricated steel structure. Alternatively, by arranging an inner ring plate or an outer ring plate at the connection end of the column and the beam, the connection between the column and the beam can be reliably fixed and the force of the beam can be effectively transmitted to the column. When the rectangular steel pipe column is poured with concrete, the column is a rectangular steel pipe concrete column, and the rectangular steel pipe concrete column can further improve the strength and bearing capacity of the column and even the steel structure as a column.

In another embodiment of the utility model, the upright column is a circular steel pipe column, and the upright column is provided with an inner ring plate or an outer ring plate at a position connected to the connecting end of the beam. Setting the inner ring plate or the outer ring plate on the column can further improve the strength and bearing capacity of the column and even the steel structure. Wherein, the column in this embodiment can also be a circular steel tube concrete column, that is, a circular steel tube column poured with concrete.

In yet another embodiment of the utility model, the column is an I-shaped steel column, a cross-shaped steel column, or an L-shaped, T-shaped, or well-shaped special-shaped steel column with a combined cross-section. plate. In this embodiment, suitable columns are selected according to the actual construction environment, and the arrangement of the diaphragm can further improve the strength and bearing capacity of the columns and even the steel structure.

As shown in Figure 4, in a preferred embodiment of the present utility model, the flange plate of each beam 2 is welded to the flange plate of the corresponding beam connection end 4, and the web of each beam 2 is connected to the corresponding beam The webs at end 4 are bolted through connecting plates 6 . In this way, the rigid connection strength between the crossbeam 2 and the crossbeam connection end 4 is ensured through the double connection function of the welded connection and the bolted connection, thereby improving the structural strength of the combined steel structure.

As shown in Figure 6, the second diagonal strut 32 is connected to the column 1 through the connecting part 7, and one end of the second diagonal strut 32 connected to the column 1 has a lug 71, and the position where the column 1 is connected to the second diagonal strut 32 There is an ear plate 72, and the corresponding positions of the lug 71 and the ear plate 72 respectively have through holes (not shown in the figure), and the second diagonal strut 32 and the column 1 are hinged through the pin shaft 73 passing through the hole. With this technical solution, the connection between the second diagonal brace 32 and the column 1 is easy to operate and easy to construct. At the same time, the use of pin hinges does not require high assembly accuracy, and the structure of the K-shaped support frame can be fine-tuned according to construction requirements, improving assembly efficiency.

As shown in Figure 5 and Figure 6, the connection between the first diagonal brace 9 and the beam 2 and between the first diagonal brace 9 and the column 1 can be connected by welding, which is easy to operate and firmly connected, thereby improving the equivalent of the combined steel support. The reliability of the wall unit, and a stiffener 8 is provided on the web at the connection position between the beam 2 and the first diagonal brace 9, so that the structural strength of the beam 2 can be further improved. The vertical struts 31 and the cross beams 2 can be connected by bolts through the end plates 33 , and the webs where the cross beams 2 and the vertical struts 31 are connected can also be provided with stiffeners 8 .

In the embodiment of the present utility model, the specific forms of the first diagonal brace, the vertical brace and the second diagonal brace are not limited, for example, they can be circular steel pipes, rectangular steel pipes, I-shaped steel supports, T-shaped steel supports, L Steel braces, channel braces, cruciform braces, dampers or anti-buckling braces. Dampers or anti-buckling braces can increase the structural damping of the first diagonal brace, vertical brace or second diagonal brace when the equivalent wall unit of the combined steel brace is subjected to impact vibration by installing an energy dissipator in its structure, The vibration energy generated by the impact is consumed, thereby improving the seismic performance of the equivalent wall unit of the composite steel support.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (14)

1. A combined steel support equivalent wall unit is characterized in that it comprises a column, an X-shaped bracing frame and at least one K-shaped bracing frame, and two beam groups that are horizontally arranged, wherein: The two beam groups are arranged in parallel, each beam group includes at least three beams arranged around the column, each beam is fixedly connected to the column and arranged orthogonally to adjacent beams; The X-shaped support frame includes four first diagonal braces arranged symmetrically in the same plane, and one end of each first diagonal brace is connected to the middle of the column, and the other end is connected to the corresponding beam; The K-shaped bracing frame is located between two opposite beams and is arranged orthogonally to the X-shaped bracing frame, including a vertical brace and two second diagonal braces, and the vertical brace is arranged parallel to the column And the two ends are respectively connected with the corresponding beams, one end of each second diagonal brace is connected with the middle part of the vertical brace, and the other end is connected with the column. 2. The combined steel support equivalent wall unit according to claim 1, wherein each beam group includes three beams arranged in a T shape, and the number of the K-shaped support frame is one. 3. composite steel support equivalent wall unit according to claim 1, is characterized in that, described each crossbeam group comprises four crossbeams that are arranged in cross shape, and the quantity of described K-type bracing frame is two, so The two K-shaped support frames are respectively located on both sides of the column and arranged in axisymmetric manner. 4. The composite steel braced equivalent wall unit according to claim 1, wherein the cross beam is an I-shaped steel beam. 5. The combined steel support equivalent wall unit according to claim 4, characterized in that, the positions corresponding to the connection between the column and each crossbeam are fixed with crossbeam connection ends respectively, and the cross-sectional shape of the cross-beam connection end is the same as the cross-section of the crossbeam. The shape matches. 6. The combined steel support equivalent wall unit according to claim 5, wherein the column is a rectangular steel pipe column, a rectangular steel pipe concrete column, a circular steel pipe column, a circular steel pipe concrete column, an I-shaped steel column, Cross-shaped steel columns or L-shaped, T-shaped, well-shaped special-shaped composite cross-section steel columns. 7. The combined steel support equivalent wall unit according to claim 6, wherein the upright column is a rectangular steel pipe column or a rectangular steel pipe concrete column, and the upright column is provided with an inner ring plate at the position connected to the crossbeam connection end Or the outer ring plate; or, the two sides of the flange plate at the connection end of the beam are respectively provided with flange side connection plates, and the sum of the width of the flange plate at the connection end of the beam and the thickness of the two flange side connection plates is not greater than The section side length of the column. 8. The combined steel support equivalent wall unit according to claim 6, characterized in that, the column is a circular steel pipe column or a circular steel pipe concrete column, and the column is provided with an inner ring plate or outer ring plate. 9. The combined steel support equivalent wall unit according to claim 6, characterized in that, the column is an I-shaped steel column, a cross-shaped steel column or an L-shaped, T-shaped, well-shaped special-shaped steel column with a combined section, A transverse partition is provided at the position where the column is connected to the connecting end of the crossbeam. 10. The combined steel support equivalent wall unit according to claim 5, characterized in that, the flange plate of each cross beam is welded to the flange plate at the corresponding cross beam connection end, and the web of each cross beam The web at the connecting end of the corresponding cross beam is connected by connecting plate bolts. 11. The combined steel support equivalent wall unit according to claim 1, wherein the end of the second diagonal brace connected to the column has a lug, and the position where the column is connected to the second diagonal brace has a The lugs and the corresponding positions of the lugs and the ear plates respectively have through holes, and the second diagonal brace is hinged to the column through a pin passing through the through holes. 12. The combined steel support equivalent wall unit according to claim 1, characterized in that, the connection between the vertical brace and the cross beam is connected by end plate bolts, and the web of the connection position between the cross beam and the vertical brace is Stiffening ribs are arranged on the board. 13. The combined steel support equivalent wall unit according to claim 5, characterized in that one end of the first diagonal brace is welded to the middle of the column, and the other end is welded to the corresponding crossbeam connection end, and the crossbeam is connected to A stiffener is provided on the web where the end is connected to the first diagonal brace. 14. The combined steel support equivalent wall unit according to any one of claims 1 to 13, characterized in that, the first diagonal brace is a circular steel pipe, a rectangular steel pipe, an I-shaped steel support, or a T-shaped steel support , L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports, dampers or anti-buckling supports; and/or, the vertical braces are circular steel pipes, rectangular steel pipes, I-shaped steel supports, T-shaped steel supports, L-shaped steel support, channel-shaped steel support, cross-shaped steel support or buckling-resistant support; and/or, the second diagonal brace is a circular steel pipe, rectangular steel pipe, I-shaped steel support, T-shaped steel support, L-shaped Steel braces, channel braces, cross braces, dampers or anti-buckling braces.