CN211774630U - Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure - Google Patents

Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure Download PDF

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Publication number
CN211774630U
CN211774630U CN202020142897.2U CN202020142897U CN211774630U CN 211774630 U CN211774630 U CN 211774630U CN 202020142897 U CN202020142897 U CN 202020142897U CN 211774630 U CN211774630 U CN 211774630U
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plate
shaped
steel
steel pipe
node
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CN202020142897.2U
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韩明辉
李娜萍
李志生
曲美娟
肖雨
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SHANDONG XINGHUA CONSTRUCTION GROUP CO Ltd
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SHANDONG XINGHUA CONSTRUCTION GROUP CO Ltd
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Abstract

The utility model discloses a steel pipe concrete special-shaped column and I-shaped steel beam connection node structure, which comprises a core special-shaped column mechanism, a transfer mechanism and an I-shaped steel beam, wherein the core special-shaped column mechanism comprises a core steel pipe, the outer end surface of the core steel pipe is connected with at least one group of peripheral steel pipe components, and each group of peripheral steel pipe components comprises at least two first branch pipes; the adapter mechanism comprises a node connecting seat and two node positioning plates, wherein the node connecting seat comprises a first U-shaped plate, and the first U-shaped plate is fixed through a first bolt assembly; the outer end face of the first U-shaped plate is connected with a vertical stiffening plate and two groups of transverse stiffening plates, and the upper end and the lower end of the first U-shaped plate are connected with a longitudinal stiffening plate; the two node positioning plates are symmetrically connected to two sides of the vertical stiffening plate through second bolt assemblies; the node positioning plate is connected with the web plate of the I-shaped steel beam through a third bolt assembly. The node structure is simple to mount and dismount, reasonable in stress, high in structural strength and good in stability.

Description

Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure
Technical Field
The utility model relates to a building engineering field, concretely relates to steel pipe concrete dysmorphism post and I-shaped girder steel connected node structure.
Background
In recent years, steel structure building industrialization and assembly type building policies are continuously issued, green buildings and building materials are actively promoted, and steel structures and assembly type buildings are vigorously developed. The assembled steel structure system is a building produced by manufacturing house units or components according to the specifications of unified and standard building parts and then transporting the building units or components to a construction site for assembly in place, and is characterized by light building weight, energy conservation, environmental protection, high construction speed, high industrialization degree and the like, can solve the problems of low building industrialization level, low building construction labor productivity, low quality of traditional house products and the like in China, and is suitable for the development of the building industry in China.
The beam column node is a basic component of a frame structure, has great influence on the stress and safety of the whole structure, once the connection is damaged, a structural member cannot play a role, whether the structure is reasonable or not is directly related to the safety and reliability of the structure, and the construction method of the beam column node directly influences the construction speed of engineering and the assembly degree of the structure. The traditional deformed steel pipe concrete column-I-shaped steel beam rigid node has relatively high steel consumption so that the economic performance is lower than that of a deformed steel pipe concrete column frame structure, the traditional outer ring beam node occupies larger building space, and the inner ring node influences the concrete performance due to occupying the inner space of a cavity of a deformed column. Therefore, in order to exert the advantages of the beam-column joint of the steel pipe concrete special-shaped column, the economic efficiency, the occupied building area, the joint performance and the like need to be started from various aspects
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel pipe concrete dysmorphism post and I-shaped girder steel connected node structure, this node structure's installation is dismantled simply, and the atress is reasonable, and structural strength is high, and stability is good.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a steel pipe concrete special-shaped column and I-shaped steel beam connection node structure comprises a core special-shaped column mechanism, a transfer mechanism and an I-shaped steel beam, wherein the core special-shaped column mechanism comprises a core steel pipe, the outer end face of the core steel pipe is connected with at least one group of peripheral steel pipe assemblies, each group of peripheral steel pipe assemblies comprises at least two first branch pipes, and concrete is poured in the core steel pipe and in the first branch pipes; the adapter mechanism comprises a node connecting seat and two node positioning plates, the node connecting seat comprises a first U-shaped plate, and the first U-shaped plate is clamped on the first branch pipe and then fixed through a first bolt assembly;
the outer end face of the first U-shaped plate is connected with a vertical stiffening plate and two groups of transverse stiffening plates, and the upper end and the lower end of the first U-shaped plate are connected with a longitudinal stiffening plate; the two node positioning plates are symmetrically connected to two sides of the vertical stiffening plates through second bolt assemblies; the I-shaped steel beam comprises a web plate, an upper wing plate and a lower wing plate are respectively arranged at the upper end and the lower end of the web plate, the node positioning plate is connected with the web plate through a third bolt assembly, and the upper wing plate and the lower wing plate are respectively connected with two groups of transverse stiffening plates.
Preferably, the core steel pipe is a square steel pipe; the first branch pipe is a square steel pipe or a channel steel plate, the first branch pipe is welded with the outer wall of the core steel pipe, and a plurality of first bolt assemblies connected to the first pipe through holes are arranged on one first branch pipe at the outermost end of each group of peripheral steel pipe assemblies.
Preferably, the cross section of the first U-shaped plate is U-shaped, and a plurality of first plate connecting holes are formed in the left plate part and the right plate part of the first U-shaped plate; the first bolt assembly comprises a first screw rod, and a first nut is connected to the first screw rod after the first screw rod penetrates through the first plate connecting hole and the first pipe through hole.
Preferably, the vertical stiffening plate is in an isosceles trapezoid plate shape, a plurality of second plate connecting holes are formed in the middle of the vertical stiffening plate, and a second bolt assembly is connected in each second plate connecting hole.
Preferably, the horizontal stiffening plate is in an isosceles trapezoid plate shape, a first stiffening plate clamping groove is formed in the middle of the horizontal stiffening plate, and the horizontal stiffening plate is clamped on the vertical stiffening plate through the first stiffening plate clamping groove and then welded with the vertical stiffening plate.
Preferably, the node positioning plate is rectangular plate-shaped, a front positioning plate connecting hole and a rear positioning plate connecting hole are formed in the node positioning plate, the second bolt assembly comprises a second screw rod, and the second screw rod penetrates through the front positioning plate connecting hole and the second plate connecting hole and then is connected with a second nut;
and a third plate connecting hole is formed in the front part of the web plate, the third bolt assembly comprises a third screw, and a third nut is connected to the third screw after the third screw penetrates through the rear positioning plate connecting hole and the third plate connecting hole.
Preferably, the longitudinal stiffening plate is in a square plate shape, and the longitudinal stiffening plate is welded with the first U-shaped plate; and a plurality of fourth plate connecting holes are formed in the longitudinal stiffening plate, fourth screws are arranged in the fourth plate connecting holes, and the longitudinal stiffening plate is fixedly connected with the first U-shaped plate through the fourth screws.
Preferably, the end part of the web plate is provided with a first welding groove in the shape of a fan-shaped groove, the end part of the vertical stiffening plate is provided with a second welding groove in the shape of a fan-shaped groove, and the first welding groove and the second welding groove are in the shape of a semicircular groove after being in butt joint.
The utility model has the advantages that:
among the above-mentioned connected node structure, the special-shaped post form of steel pipe concrete can improve the strict restriction of the special-shaped post antidetonation design of concrete of present general application, enlarges the range of application of special-shaped post. The steel pipe of outsourcing and the combined action of changeover mechanism give built-in concrete good restraint, have improved the bearing capacity and the ductility of special-shaped post. In addition, the bearing capacity is high, the anti-seismic performance is good, the energy consumption capacity is about 2.4 times of that of an RC (reinforced concrete) special-shaped column, the shear resistance is greatly improved, and the composite material is suitable for being applied to a frame structure and a frame-shear wall structure with higher height.
The joint area is formed by welding a groove plate and the like outside the steel pipe to connect the I-shaped steel beam so as to transmit the bending moment of the steel beam, and the vertical stiffening plate is welded on the special-shaped column so as to transmit the shearing force of the steel beam, so that the stress is reasonable. In addition, no reinforcing steel bars are arranged in the node area, and the node area is only unfolded and operated outside the steel pipe, so that the condition that the reinforcing steel bars in the node area are crowded does not exist. The utility model provides a node structure overcomes the inconvenient not enough problem of steel pipe concrete dysmorphism post and I-shaped girder steel connection, and holistic structure is simpler, and structural strength after connecting is better, and the installation is dismantled more simply.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall structure schematic diagram of a connection node structure of a concrete filled steel tube special-shaped column and an I-shaped steel beam.
Fig. 2 is an exploded schematic view of a connection node structure of a concrete filled steel tube special-shaped column and an i-shaped steel beam.
Fig. 3 is a partial structural schematic diagram of a connection node structure of a concrete filled steel tube special-shaped column and an I-shaped steel beam.
Fig. 4 is a schematic view of the overall structure of the transverse stiffener.
Detailed Description
The utility model provides a steel pipe concrete dysmorphism post and I-shaped steel beam connected node structure, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings:
with reference to fig. 1 to 4, a steel pipe concrete special-shaped column and i-shaped steel beam connection node structure includes a core special-shaped column mechanism 1, a transfer mechanism 2 and an i-shaped steel beam 3, the core special-shaped column mechanism 1 includes a core steel pipe 11, at least one set of peripheral steel pipe components is connected to the outer end face of the core steel pipe 11, each set of peripheral steel pipe components includes at least two first branch pipes 12, and concrete is poured in the core steel pipe 11 and in the first branch pipes 12.
The changeover mechanism 2 comprises a node connecting seat 21 and two node positioning plates 22, wherein the node connecting seat 21 comprises a first U-shaped plate 23, and the first U-shaped plate 23 is clamped on the first branch pipe 12 and then fixed through a first bolt assembly 101. First bolt assembly 101 is a threaded bolt.
The outer end face of the first U-shaped plate 23 is connected with a vertical stiffening plate 24 and two groups of transverse stiffening plates 25, and the upper and lower ends of the first U-shaped plate 23 are connected with longitudinal stiffening plates 26.
The node positioning plates 22 are located between the two groups of transverse stiffening plates 25, and the two node positioning plates 22 are symmetrically connected to two sides of the vertical stiffening plate 24 through the second bolt assemblies 102.
The i-shaped steel beam 3 comprises a web plate 31, the upper end and the lower end of the web plate 31 are respectively provided with an upper wing plate 32 and a lower wing plate 33, the node positioning plate 22 is connected with the web plate 31 through a third bolt assembly 103, and the upper wing plate 32 and the lower wing plate 33 are respectively connected with the two groups of transverse stiffening plates 25.
The core steel pipe 11 is a square steel pipe; the first branch pipe 12 is a square steel pipe or a channel steel plate, the first branch pipe 12 is welded with the outer wall of the core steel pipe 11, and a plurality of first bolt assemblies connected to the first pipe through holes 121 are arranged on one first branch pipe 12 at the outermost end of each group of peripheral steel pipe assemblies.
The cross section of the first U-shaped plate 23 is U-shaped, and a plurality of first plate connecting holes 201 are formed in the left plate part and the right plate part of the first U-shaped plate 23; the first bolt assembly 201 includes a first screw rod, and the first screw rod is connected with a first nut after passing through the first plate connection hole 201 and the first pipe through hole 121.
The vertical stiffening plate 24 is in an isosceles trapezoid plate shape, the middle of the vertical stiffening plate 24 is provided with a plurality of second plate connecting holes 202, and each second plate connecting hole 202 is internally connected with one second bolt assembly 102.
The transverse stiffening plates 25 are in an isosceles trapezoid plate shape, first stiffening plate clamping grooves 251 are formed in the middle of the transverse stiffening plates 25, and the transverse stiffening plates 25 are clamped on the vertical stiffening plates 24 through the first stiffening plate clamping grooves 251 and then welded with the vertical stiffening plates 24.
The node positioning plate 22 has a rectangular plate shape, and the node positioning plate 22 is provided with a front positioning plate connecting hole 221 and a rear positioning plate connecting hole 222. The second bolt assembly 102 includes a second screw passing through the front positioning plate connection hole 221 and the second plate connection hole 202 and then being connected with a second nut.
A third plate connecting hole 203 is formed in the front of the web plate 31, the third bolt assembly 103 includes a third screw, and a third nut is connected to the third screw after the third screw passes through the rear positioning plate connecting hole 222 and the third plate connecting hole 203.
The longitudinal stiffening plate 26 is in a square plate shape, and the longitudinal stiffening plate 26 is welded with the first U-shaped plate 23; the longitudinal stiffening plate 26 is provided with a plurality of fourth plate connecting holes 204, fourth screws 104 are arranged in the fourth plate connecting holes 204, and the longitudinal stiffening plate 26 is fixedly connected with the first U-shaped plate 23 through the fourth screws 104. And the second bolt assembly and the third bolt assembly are both high-strength bolts.
The end of the web 31 is provided with a first welding groove 311 in the shape of a fan-shaped groove, the end of the vertical stiffening plate 241 is provided with a second welding groove 241 in the shape of a fan-shaped groove, and the first welding groove 311 and the second welding groove 241 are in the shape of a semicircular groove after being butted. The first welding groove 311 and the second welding groove 241 are preformed in order to improve better welding at the connection end of the upper wing plate 32 and the transverse stiffener plate 25 and at the connection end of the lower wing plate 33 and the transverse stiffener plate 25. After the connection ends are welded, the first welding groove 311 and the second welding groove 241 are welded by using a welding rod.
Above-mentioned node structure, holistic simple structure, processing is convenient to it is fixed convenient to connect. Because steel pipes, node components, I-shaped steel beams, reinforcement penetrating type bolts and the like in the node area can be prefabricated and welded together in a factory, in engineering operation, the steel pipes, the node components, the I-shaped steel beams, the reinforcement penetrating type bolts and the like are connected only after being hoisted to a specified position.
The steel pipe concrete special-shaped column form can improve the strict limitation of the anti-seismic design of the concrete special-shaped column which is generally applied at present, and the application range of the special-shaped column is expanded. The steel pipe of outsourcing and the combined action of changeover mechanism give built-in concrete good restraint, have improved the bearing capacity and the ductility of special-shaped post. In addition, the bearing capacity is high, the anti-seismic performance is good, the energy consumption capacity is about 2.4 times of that of an RC (reinforced concrete) special-shaped column, the shear resistance is greatly improved, and the composite material is suitable for being applied to a frame structure and a frame-shear wall structure with higher height.
The joint area is formed by welding a groove plate and the like outside the steel pipe to connect the I-shaped steel beam so as to transmit the bending moment of the steel beam, and the vertical stiffening plate is welded on the special-shaped column so as to transmit the shearing force of the steel beam, so that the stress is reasonable. In addition, no reinforcing steel bars are arranged in the node area, and the node area is only unfolded and operated outside the steel pipe, so that the condition that the reinforcing steel bars in the node area are crowded does not exist. The utility model provides a node structure overcomes the inconvenient not enough problem of steel pipe concrete dysmorphism post and I-shaped girder steel connection, and holistic structure is simpler, and structural strength after connecting is better, and the installation is dismantled more simply.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (8)

1. A steel pipe concrete special-shaped column and I-shaped steel beam connection node structure is characterized by comprising a core special-shaped column mechanism, a transfer mechanism and an I-shaped steel beam, wherein the core special-shaped column mechanism comprises a core steel pipe, the outer end face of the core steel pipe is connected with at least one group of peripheral steel pipe assemblies, each group of peripheral steel pipe assemblies comprises at least two first branch pipes, and concrete is poured in the core steel pipe and the first branch pipes; the adapter mechanism comprises a node connecting seat and two node positioning plates, the node connecting seat comprises a first U-shaped plate, and the first U-shaped plate is clamped on the first branch pipe and then fixed through a first bolt assembly;
the outer end face of the first U-shaped plate is connected with a vertical stiffening plate and two groups of transverse stiffening plates, and the upper end and the lower end of the first U-shaped plate are connected with a longitudinal stiffening plate; the two node positioning plates are symmetrically connected to two sides of the vertical stiffening plates through second bolt assemblies; the I-shaped steel beam comprises a web plate, an upper wing plate and a lower wing plate are respectively arranged at the upper end and the lower end of the web plate, the node positioning plate is connected with the web plate through a third bolt assembly, and the upper wing plate and the lower wing plate are respectively connected with two groups of transverse stiffening plates.
2. The connection node structure of the steel tube concrete special-shaped column and the I-shaped steel beam as claimed in claim 1, wherein the core steel tube is a square steel tube; the first branch pipe is a square steel pipe or a channel steel plate, the first branch pipe is welded with the outer wall of the core steel pipe, and a plurality of first bolt assemblies connected to the first pipe through holes are arranged on one first branch pipe at the outermost end of each group of peripheral steel pipe assemblies.
3. The connecting joint structure of the steel tube concrete special-shaped column and the I-shaped steel beam as claimed in claim 2, wherein the cross section of the first U-shaped plate is U-shaped, and a plurality of first plate connecting holes are formed in the left plate part and the right plate part of the first U-shaped plate; the first bolt assembly comprises a first screw rod, and a first nut is connected to the first screw rod after the first screw rod penetrates through the first plate connecting hole and the first pipe through hole.
4. The connection node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam according to claim 1, wherein the vertical stiffening plate is in an isosceles trapezoid plate shape, a plurality of second plate connection holes are formed in the middle of the vertical stiffening plate, and a second bolt assembly is connected in each second plate connection hole.
5. The connection node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam as claimed in claim 4, wherein the transverse stiffening plate is in an isosceles trapezoid plate shape, a first stiffening plate clamping groove is formed in the middle of the transverse stiffening plate, and the transverse stiffening plate is clamped on the vertical stiffening plate through the first stiffening plate clamping groove and then welded with the vertical stiffening plate.
6. The connecting joint structure of the steel tube concrete special-shaped column and the I-shaped steel beam as claimed in claim 4, wherein the joint positioning plate is rectangular plate-shaped, a front positioning plate connecting hole and a rear positioning plate connecting hole are formed in the joint positioning plate, the second bolt assembly comprises a second screw rod, and a second nut is connected to the second screw rod after the second screw rod penetrates through the front positioning plate connecting hole and the second plate connecting hole;
and a third plate connecting hole is formed in the front part of the web plate, the third bolt assembly comprises a third screw, and a third nut is connected to the third screw after the third screw penetrates through the rear positioning plate connecting hole and the third plate connecting hole.
7. The connection node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam according to claim 1, wherein the longitudinal stiffening plate is in a square plate shape and is welded with the first U-shaped plate; and a plurality of fourth plate connecting holes are formed in the longitudinal stiffening plate, fourth screws are arranged in the fourth plate connecting holes, and the longitudinal stiffening plate is fixedly connected with the first U-shaped plate through the fourth screws.
8. The connection node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam as claimed in claim 6, wherein a first welding groove in a fan-shaped groove shape is formed in the end portion of the web, a second welding groove in a fan-shaped groove shape is formed in the end portion of the vertical stiffening plate, and the first welding groove and the second welding groove are in a semi-circular groove shape after being butted.
CN202020142897.2U 2020-01-21 2020-01-21 Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure Active CN211774630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020142897.2U CN211774630U (en) 2020-01-21 2020-01-21 Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020142897.2U CN211774630U (en) 2020-01-21 2020-01-21 Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure

Publications (1)

Publication Number Publication Date
CN211774630U true CN211774630U (en) 2020-10-27

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CN202020142897.2U Active CN211774630U (en) 2020-01-21 2020-01-21 Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure

Country Status (1)

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CN (1) CN211774630U (en)

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