CN215166605U - Removable assembled integrated configuration beam column node connecting device after earthquake - Google Patents
Removable assembled integrated configuration beam column node connecting device after earthquake Download PDFInfo
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- CN215166605U CN215166605U CN202022791063.7U CN202022791063U CN215166605U CN 215166605 U CN215166605 U CN 215166605U CN 202022791063 U CN202022791063 U CN 202022791063U CN 215166605 U CN215166605 U CN 215166605U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000003466 welding Methods 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000006378 damage Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 10
- 230000003313 weakening effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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Abstract
The utility model discloses a shake removable assembled integrated configuration beam column nodal connection device in back, including assembled concrete filled steel tube combination post, cantilever beam, a plurality of friction type high strength bolt, connecting device main part and girder steel. The connecting device main part includes drum, top flange, bottom flange and two webs, and the top flange adopts friction type high strength bolted connection between the top flange of cantilever beam and the top flange of girder steel, and the bottom flange adopts friction type high strength bolted connection between the bottom flange of cantilever beam and the bottom flange of girder steel, and two webs are connected respectively on the web of cantilever beam and girder steel. The utility model discloses an assembled integrated configuration building makes the destruction form become the plasticity destruction in connecting device department under the earthquake action, has overcome other structural style can't change and can't recover the not enough of function fast after the earthquake.
Description
Technical Field
The utility model relates to a building assembled integrated configuration field, concretely relates to shake removable assembled integrated configuration beam column nodal connection device in back.
Background
The assembled combined structure building has the advantages of being capable of realizing industrial production in a factory, shortening construction period, ensuring the quality of structural members, fully utilizing the characteristics of steel and concrete, having larger member rigidity, light weight, good member ductility, good fireproof and anti-corrosion performances and the like.
After osaka and los angeles major earthquakes in japan, more and more researchers have conducted intensive studies on brittle fracture of welded joints of steel-structured beams and columns under earthquakes, and thus many measures for improving the beam and column joints have been proposed. Such as by moving the unfavorable cross-section outward, i.e., the plastic hinge outward, through node construction measures, thereby making the failure mode a plastic failure outside the beam-column weld.
The node form that exists at present roughly has two kinds of forms of node reinforcement and node weakening, wherein the type of weakening node makes under the bearing capacity circumstances that does not significantly reduce the node through carrying out certain reasonable weakening to the roof beam for the plastic hinge moves outward to protect the node area of relative fragility, reach the purpose of ductility design. The beam-column connecting joint consists of two parts, namely, a beam is welded with a column and is processed by a factory; and secondly, splicing the beams, and finishing the splicing at a construction site. The beam column welding connection is processed in a factory, so that the beam column welding connection is convenient to manufacture and ensures the welding quality and precision. The steel beams are spliced by adopting friction type high-strength bolts, so that the construction speed is high. Because only high-strength bolts are spliced in a construction site and on-site welding is not needed, the construction method is less influenced by site climatic conditions, and the construction speed is greatly improved. The existing beam column node mainly has the following defects: the field installation of the fabricated composite structure building realizes the full fabricated type, but when the repair is carried out after the earthquake damage, the damaged component can not be replaced relatively quickly. In order to overcome the problems, the assembled combined structure beam-column joint connecting device capable of being replaced after an earthquake.
Disclosure of Invention
The utility model aims at providing a simple, removable assembled integrated configuration beam column nodal connection device after shaking of structural style.
For realizing the utility model discloses the technical scheme that the purpose and adoption are such, removable assembled integrated configuration beam column nodal connection device after shake, including assembled concrete filled steel tube combination post, cantilever beam, a plurality of friction type high strength bolt, girder steel and connecting device main part.
The assembled concrete-filled steel tube combined column is a rectangular column, and one end of the cantilever beam is welded to the side wall of the assembled concrete-filled steel tube combined column. The cantilever beam is the I-steel, and the cantilever beam includes web I, upper flange I and lower flange I.
The connecting device main body comprises a web II, a web IV, an upper flange II, a lower flange II and a cylinder. The cylinder is vertically arranged, an upper flange II and a lower flange II are respectively welded at the upper end and the lower end of the cylinder, a web II and a web IV are welded between the upper flange II and the lower flange II, and the web II and the web IV are both welded on the outer wall of the cylinder.
The steel beam is I-shaped steel and comprises a web plate III, an upper flange III and a lower flange III, one end of the upper flange II is lapped on the upper flange I and connected through a plurality of friction type high-strength bolts, and the other end of the upper flange II is lapped on the upper flange III and connected through a plurality of friction type high-strength bolts. One end of the lower flange II is attached to the lower surface of the lower flange I and connected through a plurality of friction type high-strength bolts, and the other end of the lower flange II is attached to the lower surface of the lower flange III and connected through a plurality of friction type high-strength bolts.
The web I, the web II, the web III and the web IV are on the same plane, connecting plates I are arranged on two sides of the web II, and the web I and the web II are connected through a plurality of bolts by the connecting plates I. And the two sides of the web IV are provided with connecting plates II, and the connecting plates II connect the web III with the web IV through a plurality of bolts.
Furthermore, the web II and the web IV are both welded on the cylinder through fillet welds.
Furthermore, a plurality of welding nails are arranged on the upper surface of the upper flange I and the upper surface of the upper flange III.
Furthermore, the assembled concrete-filled steel tube combination column comprises a rectangular steel tube, a reinforcement cage and concrete, wherein the reinforcement cage is installed in the vertical rectangular steel tube, and the concrete is filled in the rectangular steel tube.
The technical effect of the utility model is undoubtedly, the utility model discloses an assembled integrated configuration building makes the plasticity hinge move outward under the seismic action, makes the destruction form become the plasticity destruction in connecting device department, and the power consumption effect is good. The device overcomes the defects that other structural forms cannot be replaced after the earthquake and cannot quickly recover the function, and ensures that the structure can be continuously and normally used after the connecting device is replaced under the action of the earthquake. The device is simple and economical.
Drawings
Fig. 1 is a three-dimensional view of the connection device of the present invention;
fig. 2 is a schematic view of the main body of the connecting device.
In the figure: assembled steel core concrete composite post 1, cantilever beam 2, welding nail 5, friction type high strength bolt 6, girder steel 7, connecting device main part 8, connecting plate I9 and connecting plate II 10.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
the embodiment discloses removable assembled integrated configuration beam column nodal connection device after shake, including assembled concrete filled steel tube combination column 1, cantilever beam 2, a plurality of friction type high strength bolt 6, girder steel 7 and connecting device main part 8.
The assembled concrete-filled steel tube combination column 1 is a rectangular column, the assembled concrete-filled steel tube combination column 1 comprises a rectangular steel tube, a reinforcement cage and concrete, the reinforcement cage is installed in the vertical rectangular steel tube, and the concrete is filled in the rectangular steel tube.
Referring to fig. 1, one end of a cantilever beam 2 is welded to a side wall of an assembly type concrete filled steel tube composite column 1, and the cantilever beam 2 is made of i-shaped steel and comprises a web plate i, an upper flange i and a lower flange i.
Referring to fig. 2, the connecting device body 8 includes a web ii, a web iv, an upper flange ii, a lower flange ii, and a cylinder. The cylinder is vertically arranged, an upper flange II and a lower flange II are respectively welded at the upper end and the lower end of the cylinder, a web II and a web IV are welded between the upper flange II and the lower flange II, and the web II and the web IV are both welded on the cylinder through fillet welds.
Referring to fig. 1, the steel beam 7 is an i-shaped steel and comprises a web plate iii, an upper flange iii and a lower flange iii, one end of the upper flange ii is overlapped on the upper flange i and connected by a plurality of friction type high-strength bolts 6, and the other end is overlapped on the upper flange iii and connected by a plurality of friction type high-strength bolts 6. One end of the lower flange II is attached to the lower surface of the lower flange I and connected through a plurality of friction type high-strength bolts 6, and the other end of the lower flange II is attached to the lower surface of the lower flange III and connected through a plurality of friction type high-strength bolts 6.
The upper surface of the upper flange I and the upper surface of the upper flange III are provided with a plurality of welding nails 5, the welding nails 5 on the upper flange I are anti-pulling and non-shearing welding nails, and the welding nails 5 on the upper flange III are conventional shearing welding nails.
The web I, the web II, the web III and the web IV are on the same plane, connecting plates I9 are arranged on two sides of the web II, and the connecting plates I9 connect the web I and the web II through a plurality of bolts. And two sides of the web IV are provided with connecting plates II 10, and the connecting plates II 10 connect the web III with the web IV through a plurality of bolts.
The welding operation of the fabricated concrete-filled steel tube composite column 1 and the cantilever beam 2 is carried out in a factory, the quality and the size of a welding seam are easy to control, and the construction speed and the construction quality are greatly improved. The connecting device main body 8 and the bolt holes of the steel beams 7 are prefabricated in advance in a factory to form modular assembly type units, and then all connecting units are assembled on a construction site, so that the on-site welding workload is small, and the connecting speed is high. The connecting device main body 8 of the embodiment is a beam end reinforcing and web plate weakening combined node, multiple energy consumption mechanisms of the structure under an earthquake can be realized, the plastic hinges are transferred to the connecting device main body 8 from a beam-column contact surface, and the connecting device main body 8 is only required to be replaced after the earthquake to realize normal use of the structure again. The plastic hinge transfer mainly depends on the folding effect under the large deformation of the tubular web, and compared with the traditional node flange instability, the node flange instability is obviously improved.
Example 2:
the embodiment discloses removable assembled integrated configuration beam column nodal connection device after shake, including assembled concrete filled steel tube combination column 1, cantilever beam 2, a plurality of friction type high strength bolt 6, girder steel 7 and connecting device main part 8.
Referring to fig. 1, the fabricated concrete filled steel tube composite column 1 is a rectangular column, and one end of a cantilever beam 2 is welded to a sidewall of the fabricated concrete filled steel tube composite column 1. Cantilever beam 2 is the I-steel, and cantilever beam 2 includes web I, upper limb I and lower limb I.
Referring to fig. 2, the connecting device body 8 includes a web ii, a web iv, an upper flange ii, a lower flange ii, and a cylinder. The cylinder is vertically arranged, an upper flange II and a lower flange II are respectively welded at the upper end and the lower end of the cylinder, a web II and a web IV are welded between the upper flange II and the lower flange II, and the web II and the web IV are both welded on the outer wall of the cylinder.
Referring to fig. 1, the steel beam 7 is an i-shaped steel and comprises a web plate iii, an upper flange iii and a lower flange iii, one end of the upper flange ii is overlapped on the upper flange i and connected by a plurality of friction type high-strength bolts 6, and the other end is overlapped on the upper flange iii and connected by a plurality of friction type high-strength bolts 6. One end of the lower flange II is attached to the lower surface of the lower flange I and connected through a plurality of friction type high-strength bolts 6, and the other end of the lower flange II is attached to the lower surface of the lower flange III and connected through a plurality of friction type high-strength bolts 6.
The web I, the web II, the web III and the web IV are on the same plane, connecting plates I9 are arranged on two sides of the web II, and the connecting plates I9 connect the web I and the web II through a plurality of bolts. And two sides of the web IV are provided with connecting plates II 10, and the connecting plates II 10 connect the web III with the web IV through a plurality of bolts.
Example 3:
the main structure of the embodiment is the same as that of embodiment 2, and further, the web II and the web IV are both welded on the cylinder through fillet welds.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, and further, a plurality of welding nails 5 are arranged on the upper surface of the upper flange i and the upper surface of the upper flange iii.
Example 5:
the main structure of the present embodiment is the same as that of embodiment 4, and further, the assembled concrete-filled steel tube composite column 1 includes a rectangular steel tube, a reinforcement cage and concrete, the reinforcement cage is installed in the vertical rectangular steel tube, and the concrete is filled in the rectangular steel tube.
Claims (4)
1. The utility model provides a removable assembled integrated configuration beam column node connecting device after shake which characterized in that: the combined column comprises an assembled concrete-filled steel tube combined column (1), a cantilever beam (2), a plurality of friction-type high-strength bolts (6), a steel beam (7) and a connecting device main body (8);
the assembled concrete-filled steel tube combined column (1) is a rectangular column, and one end of the cantilever beam (2) is welded to the side wall of the assembled concrete-filled steel tube combined column (1); the cantilever beam (2) is I-shaped steel, and the cantilever beam (2) comprises a web I, an upper flange I and a lower flange I;
the connecting device main body (8) comprises a web II, a web IV, an upper flange II, a lower flange II and a cylinder; the cylinder is vertically arranged, an upper flange II and a lower flange II are respectively welded at the upper end and the lower end of the cylinder, a web II and a web IV are welded between the upper flange II and the lower flange II, and the web II and the web IV are both welded on the outer wall of the cylinder;
the steel beam (7) is an I-shaped steel and comprises a web plate III, an upper flange III and a lower flange III, one end of the upper flange II is lapped on the upper flange I and is connected through a plurality of friction type high-strength bolts (6), and the other end of the upper flange II is lapped on the upper flange III and is connected through a plurality of friction type high-strength bolts (6); one end of the lower flange II is attached to the lower surface of the lower flange I and connected through a plurality of friction type high-strength bolts (6), and the other end of the lower flange II is attached to the lower surface of the lower flange III and connected through a plurality of friction type high-strength bolts (6);
the web I, the web II, the web III and the web IV are on the same plane, connecting plates I (9) are arranged on two sides of the web II, and the web I and the web II are connected through a plurality of bolts by the connecting plates I (9); and two sides of the web IV are respectively provided with a connecting plate II (10), and the connecting plates II (10) connect the web III with the web IV through a plurality of bolts.
2. The assembled composite structural beam-column joint connection device capable of being replaced after earthquake according to claim 1, wherein: and the web plate II and the web plate IV are both welded on the cylinder through fillet welds.
3. The assembled composite structural beam-column joint connection device capable of being replaced after earthquake according to claim 1, wherein: and a plurality of welding nails (5) are arranged on the upper surface of the upper flange I and the upper surface of the upper flange III.
4. The assembled composite structural beam-column joint connection device capable of being replaced after earthquake according to claim 1, wherein: the assembled concrete-filled steel tube combination column (1) comprises a rectangular steel tube, a reinforcement cage and concrete, wherein the reinforcement cage is installed in the vertical rectangular steel tube, and the concrete is filled in the rectangular steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791063.7U CN215166605U (en) | 2020-11-27 | 2020-11-27 | Removable assembled integrated configuration beam column node connecting device after earthquake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791063.7U CN215166605U (en) | 2020-11-27 | 2020-11-27 | Removable assembled integrated configuration beam column node connecting device after earthquake |
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| Publication Number | Publication Date |
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| CN215166605U true CN215166605U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022791063.7U Withdrawn - After Issue CN215166605U (en) | 2020-11-27 | 2020-11-27 | Removable assembled integrated configuration beam column node connecting device after earthquake |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502295A (en) * | 2020-11-27 | 2021-03-16 | 重庆大学 | Removable assembled integrated configuration beam column node connecting device after earthquake |
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2020
- 2020-11-27 CN CN202022791063.7U patent/CN215166605U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502295A (en) * | 2020-11-27 | 2021-03-16 | 重庆大学 | Removable assembled integrated configuration beam column node connecting device after earthquake |
| CN112502295B (en) * | 2020-11-27 | 2024-05-28 | 重庆大学 | Post-earthquake replaceable beam column joint connecting device with assembled combined structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211214 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20211214 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |