CN212317314U - Multi-cavity steel pipe special-shaped column - Google Patents
Multi-cavity steel pipe special-shaped column Download PDFInfo
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- CN212317314U CN212317314U CN202020694332.5U CN202020694332U CN212317314U CN 212317314 U CN212317314 U CN 212317314U CN 202020694332 U CN202020694332 U CN 202020694332U CN 212317314 U CN212317314 U CN 212317314U
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Abstract
The utility model discloses a multi-chamber steel pipe dysmorphism post, include a plurality of cavity structures that form by the steel construction combination, pour concrete, its characterized in that among the cavity structure: the steel structure adopts H shaped steel, rectangular pipe and U type pipe to splice each other and forms the special-shaped post of multi-chamber rectangular pipe of multiple type. The utility model can adopt H-shaped steel, rectangular pipe and U-shaped pipe to splice each other to form multi-type multi-cavity steel pipe special-shaped column; and the formed multi-cavity steel pipe special-shaped column can meet the requirement that yielding occurs before buckling, and the defect that the steel consumption is large due to large thickness of the wall plate is avoided.
Description
Technical Field
The utility model belongs to the technical field of building structure, concretely relates to multi-chamber steel pipe dysmorphism post.
Background
The special-shaped column is applied more in buildings such as houses, apartments and dormitories at present, and the special-shaped column is flush with an adjacent wall body, so that the indoor space of the building is regular, furniture placement is facilitated, and the utilization efficiency of the indoor space is improved. However, the seismic design of the currently commonly applied special-shaped reinforced concrete column is strict, and the design indexes such as the maximum use height, the column axial pressure ratio and the like are far lower than those of the common rectangular reinforced concrete column. The multi-cavity concrete-filled steel tube special-shaped column has good bearing capacity and ductility, and the built-in vertical partition plate can prevent the steel tube from buckling before yielding. Meanwhile, due to the adoption of a multi-cavity constraint form, the thin steel pipe can achieve a good constraint effect, so that the multi-cavity concrete filled steel tube special-shaped column has lower steel content and better economical efficiency compared with the traditional concrete filled steel tube special-shaped column. By adopting the novel special-shaped column, the anti-seismic performance of a special-shaped column frame structure system can be obviously improved on the premise of ensuring the economical efficiency, so that the special-shaped column has a wider application range. However, compared with the traditional rectangular and round steel pipe concrete columns, the special shape of the multi-cavity steel pipe concrete special-shaped column and the built-in vertical partition plate cause great inconvenience in the prefabrication and processing links of factories.
In view of the above technical problems, chinese patent No. 2016.11.24 discloses a utility model named a cold-formed multi-cavity steel pipe concrete special-shaped column (patent No. cn201621270955.x), which can effectively delay the occurrence of steel pipe buckling, and meanwhile, the multi-cavity structure enables the member to have a lower steel content and better economy than the conventional steel pipe concrete special-shaped column on the premise of ensuring the member performance. In the prior art, how to integrate the H-beam, the split bolt, the reinforcing rib, the stud and the angle steel truss into the cold-bending multi-cavity concrete filled steel tube special-shaped column is a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provide a multi-cavity steel pipe special-shaped column, which can adopt H-shaped steel, rectangular pipes and U-shaped pipes to be spliced with each other to form various multi-cavity steel pipe special-shaped columns; and the formed multi-cavity steel pipe special-shaped column can meet the requirement that yielding occurs before buckling, and the defect that the steel consumption is large due to large thickness of the wall plate is avoided.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a multi-chamber steel pipe dysmorphism post, includes a plurality of cavity structures that are formed by the steel construction combination, has pour concrete, its characterized in that among the cavity structure: the steel structure adopts rectangular pipe, U type pipe and H shaped steel to splice each other and forms the arbitrary type of a ~ E multicavity steel pipe dysmorphism post:
A. the steel construction chooses the rectangular pipe for use, is spliced each other and welded fastening by a plurality of rectangular pipes, forms closed cavity structures, and the shape that obtains the multicavity steel pipe dysmorphism post of A class is one in style of calligraphy, L type, T type and cross. The same limb of the A-type multi-cavity steel pipe special-shaped column can be composed of a plurality of rectangular pipes, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that steel consumption is large due to the fact that the thickness of a wall plate in the long edge direction of a single rectangular pipe is large is avoided.
B. The steel structure selects U-shaped pipes, a plurality of U-shaped pipes are mutually spliced and welded and fixed to form a closed cavity structure, and the obtained B-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L-shaped shape, a T-shaped shape and a cross shape. The same limb of the B-type multi-cavity steel pipe special-shaped column can be composed of a plurality of U-shaped pipes, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that steel consumption is large due to the fact that a single U-shaped pipe is adopted and a wall plate in the long edge direction is thick is avoided.
C. H-shaped steel and U-shaped pipes are selected for the steel structure, the H-shaped steel and the U-shaped pipes are mutually spliced and welded and fixed, the U-shaped pipes are welded on the flange of the H-shaped steel to form a closed cavity structure, and the obtained C-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape. The same limb of the C-type multi-cavity steel pipe special-shaped column can be composed of a plurality of H-shaped steel and U-shaped pipes, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that the steel consumption is large due to the large thickness of a wall plate is avoided.
D. The steel construction chooses for use rectangular pipe and U type pipe, by a plurality of rectangular pipes and U type pipe concatenation each other and welded fastening, form closed cavity structure, the shape that obtains D type's multi-chamber steel pipe dysmorphism post is one in style of calligraphy, L type, T type and cross. The same limb of the D-type multi-cavity steel pipe special-shaped column can be composed of a plurality of rectangular pipes and U-shaped pipes, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that the steel consumption is large due to the large thickness of a wall plate is avoided.
E. H-shaped steel, rectangular pipes and U-shaped pipes are selected for use in the steel structure, the H-shaped steel, the rectangular pipes and the U-shaped pipes are mutually spliced and welded and fixed, the U-shaped pipes are welded on the flange of the H-shaped steel to form a closed cavity structure, and the multi-cavity steel pipe special-shaped column of the E type is in one of a straight shape, an L shape, a T shape and a cross shape. The same limb of the D-type multi-cavity steel pipe special-shaped column can be composed of a plurality of H-shaped steel, rectangular pipes and U-shaped pipes, the requirement that the multi-cavity steel pipe special-shaped column is buckled before yielding can be met, and the defect that the steel consumption is large due to the fact that the thickness of a wall plate is large is avoided.
Furthermore, according to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, in the A-type multi-cavity steel pipe special-shaped column, the split bolt is arranged in the middle of the rectangular pipe, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the rectangular pipe reaches the set wall thickness requirement, the number of the required rectangular pipes can be reduced, and the steel consumption is saved.
Furthermore, according to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, reinforcing ribs are arranged in the joints between two adjacent U-shaped pipes in the multi-cavity steel pipe special-shaped columns of B type, C type, D type and E type, so that the requirement that the multi-cavity steel pipe special-shaped columns yield before buckling can be met, the wall thickness of the U-shaped pipes meets the requirement of the set wall thickness, the number of the needed U-shaped pipes can be reduced, and the steel consumption is saved.
Furthermore, according to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, equidistant studs are arranged in the joints between two adjacent U-shaped pipes in the multi-cavity steel pipe special-shaped columns of the type B, the type C, the type D and the type E, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes can reach the requirement of the set wall thickness, the number of the needed U-shaped pipes can be reduced, and the steel consumption is saved.
Furthermore, according to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, an angle steel truss is arranged in the joint between two adjacent U-shaped pipes in the multi-cavity steel pipe special-shaped columns of B type, C type, D type and E type, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes reaches the requirement of the set wall thickness, the number of the needed U-shaped pipes can be reduced, and the steel consumption is saved. Because the member on the truss can't fully contact with U type pipe, consequently choose for use and be fit for use the utility model discloses an angle steel truss, it includes member and first angle steel, and first angle steel welding is in the junction between two adjacent U type pipes, and first angle steel can fully contact with U type pipe, improves the welding strength of angle steel truss on U type pipe, and the member is welded between two first angle steels through specific operation panel in the processing factory.
Furthermore, in the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, the inboard of U type pipe is equipped with the cross slab, and the cross slab can be monomer cross slab or T type cross slab, guarantees the closely knit nature of U type intraductal concrete placement satisfying beam column rigid connection.
Furthermore, the U-shaped pipe is of a structure formed by integrally cold-bending steel plates or a structure formed by mutually welding three steel plates, and a suitable U-shaped pipe can be selected according to the requirements of specific types of multi-cavity steel pipe special-shaped columns.
Further, when the processing factory adds man-hour, because two blocks of wallboard coincide of two rectangular pipe intermediate positions that the welding formed, this some intensity of not full play, consequently the utility model discloses a rectangular pipe adopts day style of calligraphy rectangular pipe, and the material of less coincide position wallboard satisfies the bearing capacity requirement.
Further, because the plate thickness of U type pipe opening part is thinner, be difficult for satisfying the welding quality requirement, to this technical problem, in the multi-chamber steel pipe dysmorphism post of B type, C type, D type and E type, when the opening part of U type pipe and cavity structures's side formed connected node, the laminating is provided with the second angle steel between the inboard of U type pipe and the side of cavity structures, increases the area of connection between the opening part of U type pipe and the side of cavity structures, reinforcing welding strength between U type pipe and the cavity structures.
Furthermore, the second angle steel is fixedly connected with the U-shaped pipe through a bolt, and the second angle steel is fixedly welded with the cavity structure, so that the second angle steel, the second angle steel and the cavity structure are reliably and effectively connected.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the utility model can adopt H-shaped steel, rectangular pipe and U-shaped pipe to splice each other to form multi-type multi-cavity steel pipe special-shaped column; and the multi-cavity steel pipe special-shaped column can meet the requirement that buckling is preceded by multi-cavity steel pipe special-shaped column yielding, and the defect that steel consumption is large due to large thickness of the wall plate is avoided.
2. The utility model discloses in the multi-chamber steel pipe dysmorphism post of A class, the intermediate position of rectangular pipe is equipped with split bolt, can satisfy the requirement that multi-chamber steel pipe dysmorphism post yield takes place earlier than bucking for the wall thickness of rectangular pipe reaches and sets for the wall thickness requirement, the quantity of reducible required rectangular pipe, the using steel volume wisely. In the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, one of a reinforcing rib, a stud and an angle steel truss is arranged in the joint between two adjacent U-shaped pipes, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes reaches the requirement of the set wall thickness, the number of the needed U-shaped pipes can be reduced, and the steel consumption is saved. In the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, the inboard of U type pipe is equipped with the cross slab, and the cross slab can be monomer cross slab or T type cross slab, guarantees the closely knit nature of U type intraductal concrete placement satisfying beam column rigid connection.
3. Because the plate thickness of U type pipe opening part is thinner, be difficult for satisfying the welding quality requirement, to this technical problem, in the multi-chamber steel pipe dysmorphism post of B type, C type, D type and E type, when the opening part of U type pipe and cavity structure's side formed connected node, the laminating is provided with the second angle steel between the inboard of U type pipe and the side of cavity structure, increases the connected area between the opening part of U type pipe and the side of cavity structure, reinforcing welding strength between U type pipe and the cavity structure. The second angle steel is fixedly connected with the U-shaped pipe through a bolt, and the second angle steel is fixedly welded with the cavity structure, so that the second angle steel, the second angle steel and the cavity structure are reliably and effectively connected.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a structural schematic view showing that the A-type multi-cavity steel pipe special-shaped column of the present invention is in a straight line shape;
FIG. 2 is a schematic structural view of the type A multi-cavity steel pipe special-shaped column of the present invention in an L shape;
FIG. 3 is a schematic structural view showing that the A-type multi-cavity steel pipe special-shaped column of the present invention is T-shaped;
FIG. 4 is a cross-shaped structural schematic view of a type A multi-cavity steel pipe special-shaped column of the present invention;
FIG. 5 is a structural schematic view showing that the type B multi-cavity steel pipe special-shaped column of the present invention is a straight line;
FIG. 6 is a schematic structural view showing that the type B multi-cavity steel pipe special-shaped column of the present invention is L-shaped;
FIG. 7 is a schematic structural view showing that the type B multi-cavity steel pipe special-shaped column of the present invention is T-shaped;
FIG. 8 is a cross-shaped structural schematic view of a multi-cavity steel pipe special-shaped column of the type B of the present invention;
FIG. 9 is a structural schematic view of a C-type multi-cavity steel pipe special-shaped column of the present invention in a straight line shape;
FIG. 10 is a schematic structural view of a C-type multi-cavity steel pipe special-shaped column of the present invention in an L shape;
FIG. 11 is a schematic structural view of a type C multi-cavity steel pipe special-shaped column of the present invention in a T shape;
FIG. 12 is a cross-shaped structural schematic view of a multi-cavity steel pipe special-shaped column of the type C of the present invention;
FIG. 13 is a structural schematic view showing that the D-type multi-cavity steel pipe special-shaped column of the present invention is in a straight shape;
FIG. 14 is a schematic structural view of a D-type multi-cavity steel pipe special-shaped column of the present invention in an L shape;
FIG. 15 is a schematic structural view of a D-type multi-cavity steel pipe special-shaped column of the present invention in a T shape;
FIG. 16 is a cross-shaped structural diagram of a D-type multi-cavity steel pipe special-shaped column of the present invention;
FIG. 17 is a structural schematic view showing that the E-type multi-cavity steel pipe special-shaped column of the present invention is in a straight shape;
FIG. 18 is a schematic structural view of a class E multi-cavity steel pipe special-shaped column of the present invention in an L shape;
FIG. 19 is a schematic structural view of a type E multi-cavity steel pipe special-shaped column of the present invention in a T shape;
FIG. 20 is a cross-shaped structural schematic view of a multi-cavity steel pipe special-shaped column of the type E of the present invention;
FIG. 21 is a schematic structural view of a cross type A-type multi-cavity steel pipe special-shaped column with split bolts;
FIG. 22 is a schematic structural view of the L-shaped multi-cavity steel tube special-shaped column of type B with reinforcing ribs;
FIG. 23 is a schematic structural view of the L-shaped multi-cavity steel tube special-shaped column with B-type multi-cavity steel tubes provided with studs;
fig. 24 is a schematic structural view of two angle steel trusses arranged in an L-shaped type B multi-cavity steel pipe special-shaped column of the present invention;
FIG. 25 is a schematic structural view of a second angle steel and a bolt provided in an L-shaped type B multi-cavity steel tube special-shaped column of the present invention;
fig. 26 is a schematic structural view of the L-shaped multi-cavity steel pipe special-shaped column with D-type multi-cavity provided with second angle steel and bolts;
fig. 27 is a schematic structural view of the angle steel truss of the present invention;
FIG. 28 is a schematic structural view of a U-shaped pipe integrally formed by cold bending a steel plate according to the present invention;
FIG. 29 is a schematic structural view of a U-shaped tube formed by welding three steel plates to each other according to the present invention;
FIG. 30 is a schematic structural view of a single angle steel truss arranged in an L-shaped type B multi-cavity steel pipe special-shaped column;
fig. 31 is a schematic view of the structure of fig. 30 in which a diaphragm is provided.
In the figure, 1-rectangular tube; 2-U-shaped pipe; 3-H section steel; 4-split bolts; 5-reinforcing ribs; 6-stud; 7-angle steel trusses; 8-second angle steel; 9-bolt; 10-first angle steel; 11-a rod member; 12-diaphragm.
Detailed Description
As shown in fig. 1 to fig. 31, for the utility model relates to a multi-cavity steel pipe special-shaped column, include a plurality of cavity structures that are formed by the steel construction combination, pour the concrete in the cavity structure. The steel structure adopts rectangular pipe 1, U type pipe 2 and H shaped steel 3, forms the arbitrary type of multicavity steel pipe dysmorphism post of A ~ E each other concatenation:
A. referring to fig. 1 to 4 specifically, the steel structure is made of rectangular pipes 1, the rectangular pipes 1 are spliced and welded together to form a closed cavity structure, and the obtained type-a multi-cavity steel pipe special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape. The same limb of the A-type multi-cavity steel pipe special-shaped column can be composed of a plurality of rectangular pipes 1, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that steel consumption is large due to the fact that the thickness of a wall plate in the long edge direction of a single rectangular pipe 1 is large is avoided. The structure of the A-type multi-cavity steel pipe special-shaped column can be changed because the same limb of the A-type multi-cavity steel pipe special-shaped column can be composed of a plurality of rectangular pipes 1, so that the A-type multi-cavity steel pipe special-shaped column is not limited to the structures of figures 1 to 4.
B. Referring to fig. 5 to 8 in particular, the steel structure is a U-shaped pipe 2, and a plurality of U-shaped pipes 2 are spliced and welded to form a closed cavity structure, so that the obtained B-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L-shape, a T-shape and a cross-shape. The same limb of the B-type multi-cavity steel pipe special-shaped column can be composed of a plurality of U-shaped pipes 2, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that steel consumption is large due to the fact that the thickness of a wall plate in the long edge direction of a single U-shaped pipe 2 is large is avoided. The structure of the B-type multi-cavity steel pipe special-shaped column can be changed because the same limb of the B-type multi-cavity steel pipe special-shaped column can be composed of a plurality of U-shaped pipes 2, so that the B-type multi-cavity steel pipe special-shaped column is not limited to the structures of figures 5 to 8.
C. Referring to fig. 9 to 12 specifically, H-shaped steel 3 and U-shaped steel 2 are selected for the steel structure, a plurality of H-shaped steel 3 and U-shaped steel 2 are spliced and welded together, and the U-shaped steel 2 is welded to the flange of the H-shaped steel 3 to form a closed cavity structure, so that the multi-cavity steel pipe special-shaped column of type C is one of a straight type, an L type, a T type and a cross type. The same limb of the C-type multi-cavity steel pipe special-shaped column can be composed of a plurality of H-shaped steel 3 and U-shaped pipes 2, the requirement that buckling is performed before yielding of the multi-cavity steel pipe special-shaped column can be met, and the defect that steel consumption is large due to the fact that the thickness of a wall plate is large is avoided. The number of the cavity structures formed by splicing the H-shaped steel 3 and the U-shaped steel 2 can be increased, and the structure of the C-type multi-cavity steel pipe special-shaped column can be changed, so that the C-type multi-cavity steel pipe special-shaped column is not limited to the structures of figures 9 to 12.
D. Referring to fig. 13 to 16 in particular, the steel structure is made of rectangular pipes 1 and U-shaped pipes 2, the rectangular pipes 1 and the U-shaped pipes 2 are spliced and welded to form a closed cavity structure, and the obtained D-type multi-cavity steel pipe special-shaped column is one of a straight-line type, an L-type, a T-type and a cross-type. The same limb of the D-type multi-cavity steel pipe special-shaped column can be composed of a plurality of rectangular pipes 1 and U-shaped pipes 2, the requirement that the multi-cavity steel pipe special-shaped column is buckled before yielding can be met, and the defect that the steel consumption is large due to the large thickness of a wall plate is avoided. The number of the cavity structures formed by splicing the rectangular tubes 1 and the U-shaped tubes 2 can be increased, and the structure of the D-type multi-cavity steel tube special-shaped column is changed, so that the D-type multi-cavity steel tube special-shaped column is not limited to the structures of fig. 13 to 16.
E. With specific reference to fig. 17 to 20, the steel structure is made of H-shaped steel 3, rectangular pipes 1 and U-shaped pipes 2, the H-shaped steel 3, the rectangular pipes 1 and the U-shaped pipes 2 are spliced and welded to each other, the U-shaped pipes 2 are welded to the flanges of the H-shaped steel 3 to form a closed cavity structure, and the obtained E-type multi-cavity steel pipe special-shaped column is one of a straight type, an L-type, a T-type and a cross-type. The same limb of the D-type multi-cavity steel pipe special-shaped column can be composed of a plurality of H-shaped steel 3, rectangular pipes 1 and U-shaped pipes 2, the requirement that the multi-cavity steel pipe special-shaped column is yielding before buckling can be met, and the defect that the steel consumption is large due to the large thickness of the wall plate is avoided. The number of cavity structures formed by splicing the H-shaped steel 3, the rectangular pipe 1 and the U-shaped pipe 2 can be increased, and the structure of the E-type multi-cavity steel pipe special-shaped column is changed, so that the E-type multi-cavity steel pipe special-shaped column is not limited to the structures in fig. 17 to 20.
As shown in fig. 21, according to the requirement of the width-to-thickness ratio of the member and in order to realize the economy of the member, in the class a multi-cavity steel pipe special-shaped column, the split bolt 4 is arranged at the middle position of the rectangular pipe 1, so that the requirement that buckling occurs before yielding of the multi-cavity steel pipe special-shaped column can be met, the wall thickness of the rectangular pipe 1 reaches the set wall thickness requirement, the number of required rectangular pipes 1 can be reduced, and the steel consumption is saved.
According to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, the reinforcing rib 5 is arranged in the joint between two adjacent U-shaped pipes 2 in the multi-cavity steel pipe special-shaped columns of B type, C type, D type and E type, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes 2 reaches the requirement of the set wall thickness, the number of the needed U-shaped pipes 2 can be reduced, and the steel consumption is saved. The utility model discloses choose for use the multi-chamber steel pipe dysmorphism post of the B class of L type as the embodiment, specifically refer to fig. 22, but the utility model discloses be not restricted to the multi-chamber steel pipe dysmorphism post of the B class of L type, in the multi-chamber steel pipe dysmorphism post of B class, C class, D class and E class, as long as appear connecting between two adjacent U type pipes 2, just can add stiffening rib 5.
According to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, in the multi-cavity steel pipe special-shaped column of the B type, the C type, the D type and the E type, the equal-distance studs 6 are arranged in the connecting part between two adjacent U-shaped pipes 2, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes 2 can reach the set wall thickness requirement, the number of the needed U-shaped pipes 2 can be reduced, and the steel consumption is saved. The utility model discloses choose for use the multi-chamber steel pipe dysmorphism post of the B class of L type as the embodiment, specifically refer to fig. 23, but the utility model discloses be not restricted to the multi-chamber steel pipe dysmorphism post of the B class of L type, in the multi-chamber steel pipe dysmorphism post of B class, C class, D class and E class, as long as appear connecting between two adjacent U type pipes 2, just can add the peg 6.
According to the requirement of the width-thickness ratio of the component and in order to realize the economy of the component, an angle steel truss 7 is arranged in the joint between two adjacent U-shaped pipes 2 in the multi-cavity steel pipe special-shaped columns of B type, C type, D type and E type, so that the requirement that the multi-cavity steel pipe special-shaped column yields before buckling can be met, the wall thickness of the U-shaped pipes 2 reaches the requirement of the set wall thickness, the number of the needed U-shaped pipes 2 can be reduced, and the steel consumption is saved. The utility model discloses choose for use the multi-chamber steel pipe dysmorphism post of the B class of L type as the embodiment, specifically refer to fig. 24 and fig. 30, but the utility model discloses be not restricted to the multi-chamber steel pipe dysmorphism post of the B class of L type, in the multi-chamber steel pipe dysmorphism post of B class, C class, D class and E class, as long as appear connecting between two adjacent U type pipes 2, just can add angle steel truss 7.
On the basis of the structure based on fig. 30, in multi-cavity steel pipe special-shaped columns of B type, C type, D type and E type, the inner side of the U-shaped pipe is provided with a diaphragm 12, and the diaphragm 12 can be a single diaphragm or a T-shaped diaphragm, so that the compactness of concrete pouring in the U-shaped pipe is ensured under the condition of satisfying the rigid connection of a beam column.
Because the plate thickness of the opening part of the U-shaped pipe 2 is thin, the welding quality requirement is not easily met, and aiming at the technical problem, in the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, when the opening part of the U-shaped pipe 2 and the side surface of the cavity structure form a connecting node, a second angle steel 8 is attached between the inner side of the U-shaped pipe 2 and the side surface of the cavity structure, the connecting area between the opening part of the U-shaped pipe 2 and the side surface of the cavity structure is increased, and the welding strength between the U-shaped pipe 2 and the cavity structure is enhanced. The second angle steel 8 is fixedly connected with the U-shaped pipe 2 through a bolt 9, the second angle steel 8 is fixedly welded with the cavity structure, and the second angle steel 8, the second angle steel 8 and the cavity structure are reliably and effectively connected. The utility model discloses choose for use the multi-chamber steel pipe dysmorphism post of the B class of L type as the embodiment, specifically refer to fig. 25, but the utility model discloses be not restricted to the multi-chamber steel pipe dysmorphism post of the B class of L type, in the multi-chamber steel pipe dysmorphism post of B class, C class, D class and E class, as long as appear connecting between the side of U type pipe 2 and cavity structures, just can add second angle steel 8 and bolt 9.
As shown in fig. 26, when the processing factory adds, because two wallboards of two rectangular pipe 1 intermediate positions that the welding formed coincide, this intensity of full play, consequently the utility model discloses a rectangular pipe adopts day style of calligraphy rectangular pipe, and the material of less coincide position wallboard satisfies the bearing capacity requirement.
As shown in fig. 27, because the bar on the truss can not be in sufficient contact with the U-shaped tubes 2, so it is suitable for use the utility model discloses an angle steel truss 7, it includes bar 11 and first angle steel 10, and first angle steel 10 welds the junction between two adjacent U-shaped tubes 2, and first angle steel 10 can be in sufficient contact with U-shaped tubes 2, improves the welding strength of angle steel truss 7 on U-shaped tubes 2, and bar 11 welds between two first angle steels 10 through specific operation panel in the processing factory.
As shown in fig. 28 and 29, the U-shaped tube 2 is formed by cold-bending steel plates and integrally forming or by welding three steel plates to each other, and the appropriate U-shaped tube 2 can be selected according to the requirements of a specific type of multi-cavity steel tube profile column.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a multi-chamber steel pipe dysmorphism post, includes a plurality of cavity structures that are formed by the steel construction combination, concrete, its characterized in that have been pour among the cavity structure: the steel structure adopts rectangular pipe, U type pipe and H shaped steel to splice each other and forms the arbitrary type of a ~ E multicavity steel pipe dysmorphism post:
A. the steel structure is made of rectangular pipes, a plurality of rectangular pipes are spliced and welded and fixed to form a closed cavity structure, and the obtained A-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape;
B. the steel structure is made of U-shaped pipes, a plurality of U-shaped pipes are spliced and welded and fixed to form a closed cavity structure, and the obtained B-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape;
C. the steel structure is made of H-shaped steel and U-shaped tubes, the H-shaped steel and the U-shaped tubes are mutually spliced and welded and fixed, the U-shaped tubes are welded on flanges of the H-shaped steel to form a closed cavity structure, and the obtained C-type multi-cavity steel tube special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape;
D. the steel structure is formed by selecting rectangular pipes and U-shaped pipes, a plurality of rectangular pipes and U-shaped pipes are mutually spliced and welded and fixed to form a closed cavity structure, and the obtained D-type multi-cavity steel pipe special-shaped column is in one of a straight shape, an L shape, a T shape and a cross shape;
E. h shaped steel, rectangular pipe and U type pipe are chooseed for use to the steel construction, by a plurality of H shaped steel the rectangular pipe with the mutual concatenation of U type pipe and welded fastening, U type pipe welding is in on the edge of a wing of H shaped steel forms closed cavity structures, obtains the E type the shape of multi-chamber steel pipe dysmorphism post is one of style of calligraphy, L type, T type and cross.
2. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the A-type multi-cavity steel pipe special-shaped column, a split bolt is arranged in the middle of a rectangular pipe.
3. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, a reinforcing rib is arranged in the joint between two adjacent U-shaped pipes.
4. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, equidistant pegs are arranged in the joint between two adjacent U-shaped pipes.
5. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the B type, C type, D type and E type multi-cavity steel pipe special-shaped column, adjacent two be equipped with the angle steel truss in the junction between the U type pipe, the angle steel truss includes member and first angle steel, first angle steel welding is adjacent two junction between the U type pipe, the member welding is two between the first angle steel.
6. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the multi-cavity steel pipe special-shaped column of B type, C type, D type and E type, a transverse partition plate is arranged on the inner side of the U-shaped pipe.
7. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: the U-shaped pipe is of a steel plate cold-bending integrated structure or a structure formed by welding three steel plates.
8. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: the rectangular pipe is a rectangular pipe shaped like a Chinese character 'ri'.
9. A multi-cavity steel tube shaped column as claimed in claim 1, wherein: in the B-type, C-type, D-type and E-type multi-cavity steel pipe special-shaped column, when the opening of the U-shaped pipe and the side surface of the cavity structure form a connecting node, a second angle steel is attached to the inner side of the U-shaped pipe and the side surface of the cavity structure.
10. A multi-cavity steel tube shaped column according to claim 9, wherein: the second angle steel is fixedly connected with the U-shaped pipe through a bolt, and the second angle steel is fixedly welded with the cavity structure.
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| CN202020694332.5U CN212317314U (en) | 2020-04-29 | 2020-04-29 | Multi-cavity steel pipe special-shaped column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376692A (en) * | 2020-11-04 | 2021-02-19 | 重庆大学 | Splicing node and splicing method between box type modular steel structure building boxes |
| CN115478611A (en) * | 2022-10-26 | 2022-12-16 | 天津大学 | Square steel pipe combined special-shaped column frame structure system for low-rise building |
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2020
- 2020-04-29 CN CN202020694332.5U patent/CN212317314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376692A (en) * | 2020-11-04 | 2021-02-19 | 重庆大学 | Splicing node and splicing method between box type modular steel structure building boxes |
| CN115478611A (en) * | 2022-10-26 | 2022-12-16 | 天津大学 | Square steel pipe combined special-shaped column frame structure system for low-rise building |
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