CN217105533U - Partial concrete-wrapped composite beam and column structure easy to replace - Google Patents
Partial concrete-wrapped composite beam and column structure easy to replace Download PDFInfo
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- CN217105533U CN217105533U CN202220661795.0U CN202220661795U CN217105533U CN 217105533 U CN217105533 U CN 217105533U CN 202220661795 U CN202220661795 U CN 202220661795U CN 217105533 U CN217105533 U CN 217105533U
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Abstract
The utility model relates to a part outsourcing concrete combination beam and post structure of easily changing belongs to building structure technical field, and it includes part outsourcing concrete combination beam, cantilever beam, steel column and power consumption short beam, and the cantilever beam is connected in the flange plate outside of steel column, and the cantilever beam is removable fixed connection through being between power consumption short beam and the part outsourcing concrete combination beam. The energy-consuming short beam is arranged at the beam end of the partial outer-coated concrete composite beam, the two end parts of the energy-consuming short beam are respectively and fixedly connected with the cantilever beam and the partial outer-coated concrete composite beam in a detachable manner, so that the energy-consuming short beam can be easily detached and replaced after an earthquake under the premise of ensuring reliable force transmission between the partial outer-coated concrete composite beam and the steel beam under the action of an earthquake, the time cost and the labor cost for repairing after the earthquake are reduced, and the recovery time after the earthquake is shortened; and the energy consumption capability of the traditional steel frame can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of building structure, relate to beam column and can dismantle the connection technology, specifically be a part outsourcing concrete combination beam and post structure that easily changes.
Background
The partial concrete-encased composite beam is formed by welding reinforcing steel bars inside the H-shaped steel flange plate and filling concrete, and can fully exert the advantages of the section steel and the concrete material. The restraint effect of the profile steel can effectively delay the cracking of concrete, control the deflection of a member, and the wrapping effect of the concrete can avoid the local instability of a steel plate, thereby greatly saving the using amount of a fireproof anti-corrosion coating of steel.
The earthquake resistance of the building structure is mostly considered in the design stage, but most of the building structures are mainly considered in the aspect of resisting the earthquake at present. The same is true for a part of externally-wrapped concrete composite beam-steel frame structures, the earthquake resistance is mainly considered, and how to quickly repair after earthquake is not considered, so that the repair time cost and the labor cost after earthquake are very high, and the normal life recovery of people after earthquake is seriously influenced.
SUMMERY OF THE UTILITY MODEL
How to carry out quick prosthetic technique after considering not after the earthquake to part outsourcing concrete combination roof beam-steel frame construction when the design, lead to the building to shake the big problem of back repair time cost and human cost, the utility model provides an easily changed part outsourcing concrete combination roof beam and post structure.
The utility model discloses a set up the cantilever beam on the flange plate of steel column, carry out removable fixed connection with the cantilever beam through consuming energy between short beam and the partial outsourcing concrete composite beam, replace the beam-ends bending plasticity hinge power consumption of partial outsourcing concrete composite beam through consuming energy short beam, consume energy the short beam and have good power consumption ability and hysteretic performance, can effectively promote the ductility of structure, damage when serious after the earthquake simultaneously, dismantle the change with consuming energy short beam, reduced the time cost and the human cost of restoreing after the earthquake; the specific technical scheme is as follows:
the utility model provides an easily changed part outsourcing concrete combination beam and post structure, includes part outsourcing concrete combination beam, cantilever beam, steel column and power consumption short beam, the cantilever beam is connected in the flange plate outside of steel column, the cantilever beam is removable fixed connection through being between power consumption short beam and the part outsourcing concrete combination beam.
Further limiting, energy-consuming short beam end plates are arranged at the end part, close to the steel column, of the energy-consuming short beam and at the end part, close to part of the concrete-encased composite beam, of the energy-consuming short beam, a cantilever beam end plate is arranged at the end part, far away from the steel column, of the cantilever beam, and the cantilever beam end plate is detachably and fixedly connected with the energy-consuming short beam end plate at one end part of the energy-consuming short beam; the end part of the partial concrete-encased composite beam is provided with a composite beam end plate, and the composite beam end plate is detachably and fixedly connected with the energy-consuming short beam end plate at the other end part of the energy-consuming short beam.
Further limiting, the area of the panel of the cantilever beam end plate and the area of the panel of the combined beam end plate are both larger than the area of the panel of the energy-consuming short beam end plate.
Further limiting, the cantilever beam end plate is connected with the energy-consuming short beam end plate through a high-strength bolt; the combined beam end plate is connected with the energy-consuming short beam end plate through a high-strength bolt.
Further, the framework of the partially concrete-encased composite beam is of a profile steel structure, the profile steel structure comprises a reinforcing section and connecting sections, the beam connecting sections are arranged at two ends of the beam reinforcing section, and the end plates of the composite beam are fixedly connected to the ends of the beam connecting sections.
Further limiting, an end plate stiffening rib is arranged between the web plate of the connecting section and the composite beam end plate; and a construction stiffening rib is arranged between the flange plate of the connecting section and the combined beam end plate.
Further limit, be provided with shaped steel web stiffening rib between the web of end plate stiffening rib and linkage segment.
Further limit, be provided with the end plate stiffener between the flange board of steel column and the cantilever beam.
Further, the position of the end plate stiffening rib between the flange plate of the steel column and the cantilever beam corresponds to the position of the end plate stiffening rib between the web plate of the connecting section and the end plate of the composite beam.
Further, the concrete layer is filled in an abdominal cavity formed between the web plate of the reinforced section and the flange plate of the reinforced section.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model relates to a part outsourcing concrete combination beam and post structure of easily changing, its cantilever beam are removable fixed connection through between power consumption stub beam and the part outsourcing concrete combination beam. The utility model discloses the beam-ends at part outsourcing concrete composite beam set up the power consumption stub beam, bear the anticipated plasticity hinge energy consumption of beam-ends through the power consumption stub beam, and the power consumption stub beam has good power consumption ability and hysteresis performance, can effectively promote the ductility of structure, ensures that part outsourcing concrete composite beam and steel column remain the elastic state throughout. The two end parts of the energy-consuming short beam are respectively and fixedly connected with the cantilever beam and the partial outer-coated concrete combined beam in a detachable mode, so that the energy-consuming short beam can be easily detached and replaced after an earthquake under the premise of ensuring reliable force transmission between the partial outer-coated concrete combined beam and the steel beam under the action of the earthquake, the time cost and the labor cost for repairing after the earthquake are reduced, and the recovery time after the earthquake is shortened; and the energy consumption capability of the traditional steel frame can be effectively improved.
2. The cantilever beam end plate, the energy-consuming short beam end plate and the combined beam end plate are convenient for connecting the steel column, the energy-consuming short beam and part of the concrete-encased combined beam.
3. The area of the panel of the cantilever beam end plate and the area of the panel of the combined beam end plate are both larger than the area of the panel of the energy-consuming short beam end plate, so that the operation is more convenient when the cantilever beam end plate and the combined beam end plate are connected.
4. The cantilever beam end plate is connected with the energy-consuming short beam end plate through a high-strength bolt; the combined beam end plate is connected with the energy-consuming short beam end plate through a high-strength bolt. After the structure is damaged by the action of an earthquake, the using function of the structure can be quickly repaired only by dismantling the high-strength bolt and then replacing a new energy-consuming short beam.
5. An end plate stiffening rib is arranged between the web plate of the connecting section and the composite beam end plate, and a structural stiffening rib is arranged between the flange plate of the connecting section and the composite beam end plate; the connection strength between the web of the connecting section and the end plate of the composite beam is improved by the end plate stiffening ribs and the construction stiffening ribs.
6. Be provided with shaped steel web stiffening rib between the web of end plate stiffening rib and linkage segment, made things convenient for through shaped steel web stiffening rib to be connected between the web of end plate stiffening rib and linkage segment, also strengthened the intensity of the web of linkage segment simultaneously. The requirement of local stability of the profile steel structure is ensured.
7. Be provided with the end plate stiffening rib between the flange board of steel column and cantilever beam, strengthened the intensity between the flange board of steel column and the cantilever beam through the end plate stiffening rib.
8. And a concrete layer is filled in a abdominal cavity formed between the web plate of the reinforced section and the flange plate of the reinforced section, so that the fireproof and anti-corrosion performance of the partially concrete-wrapped composite beam is improved.
9. The utility model discloses a part outsourcing concrete combination beam, cantilever beam and steel column all can be prefabricated in advance at the mill, and the major structure can be accomplished to the on-the-spot high strength bolt that only needs the installation, and the construction site's that has significantly reduced welding jobs can effectively shorten construction cycle.
10. The position of the end plate stiffening rib between the flange plate of the steel column and the cantilever beam corresponds to the position of the end plate stiffening rib between the web plate of the connecting section and the end plate of the composite beam, and the effective transmission of force at the connecting part is ensured.
Drawings
FIG. 1 is a schematic view of a partially encased concrete composite beam and column structure that is easy to replace according to the present invention;
FIG. 2 is a schematic structural view of a connecting portion of a partially encased concrete composite beam and a steel column;
FIG. 3 is a top view of a portion of the exterior concrete composite beam and steel column connections;
FIG. 4 is a cross-sectional view taken along plane 1-1 of FIG. 3;
FIG. 5 is a cross-sectional view taken along plane 2-2 of FIG. 3;
FIG. 6 is a cross-sectional view taken along plane 3-3 of FIG. 3;
FIG. 7 is a cross-sectional view taken along plane 4-4 of FIG. 3;
the method comprises the following steps of 1, partially wrapping concrete composite beams, 2 cantilever beams, 3 steel columns, 4 energy-consuming short beams, 5-section steel structures, 6-concrete layers, 7-composite beam end plates, 8-energy-consuming short beam end plates, 9-cantilever beam end plates, 10-high-strength bolts, 11-structural stiffening ribs, 12-section steel web stiffening ribs and 13-end plate stiffening ribs.
Detailed Description
The technical solutions of the present invention are further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
Example 1
Referring to fig. 2, this embodiment is an easily-replaceable partially-encased concrete composite beam and column structure, which includes a partially-encased concrete composite beam 1, a cantilever beam 2, a steel column 3, and an energy-consuming short beam 4, wherein the cantilever beam 2 is connected to the outer side of the flange plate of the steel column 3, and the cantilever beam 2 is detachably and fixedly connected with the partially-encased concrete composite beam 1 through the energy-consuming short beam 4. Specifically, the detachable fixed connection may be implemented by a bolt, an adapter plate + a screw, a socket, or other common building fixed connection methods, and preferably, the detachable fixed connection is implemented by a bolt. The energy consumption short beam 4 is an energy consumption component, so the cross section size of the energy consumption short beam 4 is smaller than the cross section size of the cantilever steel beam 2 at two ends and the cross section size of the skeleton of the partial concrete-coated composite beam 1; preferably, the energy consumption short beam 4 can be made of steel with a low yield point and good deformability so as to improve the plastic deformability of the energy consumption short beam, and specifically, the energy consumption short beam 4 can be made of ordinary H-shaped combined section steel, is simple in structure and is easy to process and manufacture. The energy-consuming short beam can show stable hysteretic behavior by adopting steel with lower yield point and better deformability, and the function of the structural fuse can be fully exerted. In addition, in order to improve the seismic performance and the restorable performance of the structural functions of the partial outsourcing concrete composite beam 1 and the steel column 3, the connection between the partial outsourcing concrete composite beam 1 and the steel column 3 needs to be easy to detach and convenient to replace, and the connection form also needs to ensure that the structure has good energy consumption capability and an expected damage development mode. The reasonable connection mode is adopted to ensure that the steel beam and the combined beam can work in a cooperative mode, different parts can be designed separately, the constraint effect of decoupling strength and rigidity is realized, and the over-design of the structure is avoided.
Referring to fig. 1, the partially encased concrete composite beam and column structure of the present embodiment is a frame-type structure formed by a partially encased concrete composite beam 1 and a steel column 3, which is easy to replace.
Example 2
Referring to fig. 3, in the present embodiment, based on embodiment 1, the end portion of the energy consumption short beam 4 close to the steel column 3 and the end portion of the energy consumption short beam close to the partially encased concrete composite beam 1 are both provided with energy consumption short beam end plates 8, the end portion of the cantilever beam 2 far from the steel column 3 is provided with a cantilever beam end plate 9, and the cantilever beam end plate 9 is detachably and fixedly connected with the energy consumption short beam end plate 8 at one end portion of the energy consumption short beam 4; the end part of the partial concrete-encased composite beam 1 is provided with a composite beam end plate 7, and the composite beam end plate 7 is detachably and fixedly connected with an energy-consuming short beam end plate 8 at the other end part of the energy-consuming short beam 4.
Preferably, the panel area of the cantilever beam end plate 9 and the panel area of the combined beam end plate 7 are both larger than the panel area of the energy consumption short beam end plate 8. The edge of the cantilever beam end plate 9 exceeds the edge of the cantilever beam 2 by 50 mm, so that the connection operation between the cantilever beam end plate 9 and the cantilever beam 2 is facilitated; the edge of the combined beam end plate 7 exceeds the edge of the partially concrete-encased combined beam 1 by 50 mm, so that the connecting operation between the combined beam end plate 7 and the partially concrete-encased combined beam 1 is facilitated.
The cantilever beam end plate 9 is connected with the energy-consuming short beam end plate 8 through a high-strength bolt 10; the composite beam end plate 7 is connected with the energy consumption short beam end plate 8 through a high-strength bolt 10.
When the energy consumption short beam 4 of this embodiment is installed or replaced, the energy consumption short beam 4 may be acted by a larger axial force in consideration of the existence of the structural residual deformation, so that auxiliary equipment, such as a jack, needs to be adopted to prop against the end plates on the two sides of the energy consumption short beam 4.
Example 3
Referring to fig. 7, in the present embodiment of an easily replaceable partially-encased concrete composite beam and column structure, on the basis of embodiment 2, the skeleton of the partially-encased concrete composite beam 1 is a profile steel structure 5, the profile steel structure 5 includes a reinforcing section and a connecting section, the beam connecting section is disposed at two ends of the beam reinforcing section, and the composite beam end plate 7 is fixedly connected to the end of the beam connecting section. Because the deformability requirement of the section steel part 5 is low, high-strength steel can be used, thereby achieving the purpose of saving steel.
Referring to fig. 5 and 6, end plate stiffeners 13 are arranged between the web of the connecting section and the end plate 7 of the composite beam, the number of the end plate stiffeners 13 may be 1, 2, 3 or 4, and a plurality of end plate stiffeners 13 are arranged in parallel between the web of the connecting section and the end plate 7 of the composite beam; and a plurality of construction stiffening ribs 11 are arranged between the flange plate of the connecting section and the composite beam end plate 7 in parallel.
Be provided with shaped steel web stiffening rib 12 between end plate stiffening rib 13 and the web of linkage segment, shaped steel web stiffening rib 12 sets up along web place plane symmetry of shaped steel structure 5, and a plurality of shaped steel web stiffening ribs 12 set up side by side between the web of end plate stiffening rib 13 and linkage segment.
Referring to fig. 4, end plate stiffeners 13 are provided between the flange plates of the steel columns 3 and the cantilever beams 2, specifically, the number of the end plate stiffeners 13 is 4, and a plurality of end plate stiffeners 13 are provided in parallel between the flange plates of the steel columns 3 and the cantilever beams 2.
The position of an end plate stiffening rib 13 between the flange plate of the steel column 3 and the cantilever beam 2 corresponds to the position of the end plate stiffening rib 13 between the web plate of the connecting section and the end plate 7 of the composite beam; a better force transfer effect can be ensured.
The abdominal cavity formed between the web plate of the reinforced section and the flange plate of the reinforced section is filled with a concrete layer 6, and the concrete layer 6 can improve the fireproof and anti-corrosion performance of part of the externally-wrapped concrete composite beam 1.
Claims (10)
1. The utility model provides an easy partial outsourcing concrete combination beam and post structure of changing, its characterized in that, includes partial outsourcing concrete combination beam (1), cantilever beam (2), steel column (3) and power consumption short beam (4), the flange board outside at steel column (3) is connected in cantilever beam (2), be removable fixed connection between cantilever beam (2) and partial outsourcing concrete combination beam (1) through power consumption short beam (4).
2. The easy-to-replace partially-encased concrete composite beam and column structure according to claim 1, wherein the end portion of the energy-consuming short beam (4) close to the steel column (3) and the end portion of the partially-encased concrete composite beam (1) are provided with energy-consuming short beam end plates (8), the end portion of the cantilever beam (2) far away from the steel column (3) is provided with a cantilever beam end plate (9), and the cantilever beam end plate (9) is detachably and fixedly connected with the energy-consuming short beam end plate (8) at one end portion of the energy-consuming short beam (4); the end part of the partial concrete-coated composite beam (1) is provided with a composite beam end plate (7), and the composite beam end plate (7) is detachably and fixedly connected with an energy consumption short beam end plate (8) at the other end part of the energy consumption short beam (4).
3. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 2 wherein the panel area of the cantilever beam end plate (9) and the panel area of the composite beam end plate (7) are both greater than the panel area of the energy dissipating short beam end plate (8).
4. The easy-to-replace partially encased concrete composite beam and column structure of claim 3 wherein said cantilever beam end plate (9) and energy dissipating short beam end plate (8) are connected by high strength bolts (10); the combined beam end plate (7) is connected with the energy-consuming short beam end plate (8) through a high-strength bolt (10).
5. The easy-to-replace partially encased concrete composite beam and column structure according to claim 4, wherein the skeleton of the partially encased concrete composite beam (1) is a steel section structure (5), the steel section structure (5) comprises a reinforcing section and a connecting section, the connecting section is arranged at two ends of the reinforcing section, and the composite beam end plate (7) is fixedly connected at the end of the connecting section.
6. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 5 wherein end plate stiffeners (13) are provided between the web of the connecting section and the composite beam end plates (7); and a construction stiffening rib (11) is arranged between the flange plate of the connecting section and the combined beam end plate (7).
7. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 6 wherein steel section web stiffeners (12) are provided between the end plate stiffeners (13) and the web of the connecting section.
8. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 7 wherein end plate stiffeners (13) are provided between the flange plates of the steel columns (3) and the outrigger beams (2).
9. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 8 wherein the location of the end panel stiffeners (13) between the flange plates of the steel columns (3) and the outriggers (2) correspond to the location of the end panel stiffeners (13) between the web of the connecting section and the composite beam end plates (7).
10. An easily replaceable partially encased concrete composite beam and column structure as claimed in claim 5 wherein the cavity formed between the web of the reinforced section and the flange plate of the reinforced section is filled with a concrete layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220661795.0U CN217105533U (en) | 2022-03-25 | 2022-03-25 | Partial concrete-wrapped composite beam and column structure easy to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220661795.0U CN217105533U (en) | 2022-03-25 | 2022-03-25 | Partial concrete-wrapped composite beam and column structure easy to replace |
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| CN217105533U true CN217105533U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220661795.0U Active CN217105533U (en) | 2022-03-25 | 2022-03-25 | Partial concrete-wrapped composite beam and column structure easy to replace |
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| CN (1) | CN217105533U (en) |
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- 2022-03-25 CN CN202220661795.0U patent/CN217105533U/en active Active
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