CN114033207A - Combined outer wrapping type mixed node - Google Patents
Combined outer wrapping type mixed node Download PDFInfo
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- CN114033207A CN114033207A CN202111321012.0A CN202111321012A CN114033207A CN 114033207 A CN114033207 A CN 114033207A CN 202111321012 A CN202111321012 A CN 202111321012A CN 114033207 A CN114033207 A CN 114033207A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 67
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 2
- 230000035772 mutation Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a combined outer wrapping type mixed node which comprises a reinforced concrete column, wherein the reinforced concrete column is vertically arranged, a reinforced concrete beam is transversely arranged at the upper end of the reinforced concrete column, and the upper end of the reinforced concrete column is flush with the upper surface of the reinforced concrete beam; a steel column base bottom plate is axially arranged on the reinforced concrete column; the upper part of the steel column base bottom plate is fixedly connected with a box-shaped steel column; the upper surface of the reinforced concrete beam is provided with a fine aggregate concrete leveling layer, and two special-shaped splice plates are symmetrically arranged above the fine aggregate concrete leveling layer and on two opposite sides of the box-type steel column respectively; and the area surrounded by the two special-shaped splice plates is filled with concrete. The invention can effectively strengthen the connection of the upper and lower part structures, increase the embedding constraint force on the upper steel column, slow down the rigidity mutation of the upper and lower part structures, ensure the cooperative working capability of the mixed structure and improve the overall anti-seismic performance of the RC frame-steel structure layered mixed structure.
Description
Technical Field
The invention belongs to the technical field of building structure reinforcement, and relates to a combined outer wrapping type mixed node.
Background
In recent years, the urbanization process of China is continuously promoted, the urbanization rate is increased to 60% by 2020, and the urbanization rate of China is estimated to reach 65.5% by 2025. However, in many towns, there are a large number of low-rise buildings which have entered the "middle-aged" or "elderly" service stage, and these buildings have gradually reduced structural resistance due to the economic and technical limitations of the day and the long construction period, and the use function and the use area cannot meet the requirements of the current social development.
Research finds that the steel structure with the advantages of light dead weight, convenient construction, flexible layout and the like is applied to story-adding transformation of old houses to form a RC frame-steel structure story-adding mixed structure, so that the shortage of building land is relieved, environmental pollution is avoided, the building style of cities is kept, the original building function is improved, better economic and social benefits are achieved, and the sustainable development strategy formulated in China is met.
However, the upper steel structure dead weight and lateral rigidity of the RC frame-steel structure added layer mixed structure are different from those of the original RC frame structure greatly, so that obvious sudden changes of mass and rigidity exist between new buildings and old buildings, and a mixed structure system with rigid bottom and flexible top and heavy bottom and light top is formed. Under the action of an earthquake, the damage of the connection node is an important reason for the structure to collapse, and the whip effect generated by the upper steel structure increases the damage accumulation of the upper and lower connection parts, so that the rigidity degradation of the node is serious, and the bearing capacity of the whole structure is obviously reduced. Therefore, the connection of the node areas of the upper and lower structures is enhanced, and the method has important significance for improving the integral earthquake-resistant bearing capacity of the structure.
Disclosure of Invention
The invention aims to provide a combined external wrapping type hybrid node, which can be used for strengthening the connection of an upper structure and a lower structure in an RC frame-steel structure added layer hybrid structure, overcoming the defect of high supporting difficulty of an aerial template in the prior art, omitting a template supporting procedure and simultaneously preventing a steel structure added layer part from generating a larger whip tip effect under the action of an earthquake.
The technical scheme adopted by the invention is that the combined externally-wrapped hybrid node comprises a reinforced concrete column which is vertically arranged, wherein a reinforced concrete beam is transversely arranged at the upper end of the reinforced concrete column, and the upper end of the reinforced concrete column is flush with the upper surface of the reinforced concrete beam; a steel column base bottom plate is axially arranged on the reinforced concrete column; the upper part of the steel column base bottom plate is fixedly connected with a box-shaped steel column; the upper surface of the reinforced concrete beam is provided with a fine aggregate concrete leveling layer, and two special-shaped splice plates are symmetrically arranged above the fine aggregate concrete leveling layer and on two opposite sides of the box-type steel column respectively; the area surrounded by the two special-shaped splice plates is filled with concrete.
The invention is also characterized in that:
the concrete protective layer of reinforced concrete column and reinforced concrete roof beam upper surface is dug out, avoids the drilling of reinforcing bar in reinforced concrete column, the reinforced concrete roof beam, pours into the embedded sill anchor of bar planting glue in this drilling.
And C50 fine aggregate concrete is adopted for leveling the upper surfaces of the reinforced concrete columns and the reinforced concrete beams.
Two opposite side surfaces of the box-type steel column are respectively reserved with a screw hole b, and round-head studs are welded on the two opposite side surfaces of the box-type steel column; an anchor bolt hole is reserved on the bottom plate of the steel column base and corresponds to the position of an embedded foundation anchor bolt at the top of the reinforced concrete column; when the box-type steel column is installed, the embedded anchor bolts at the top of the reinforced concrete column penetrate through the reserved anchor bolt holes of the steel column base bottom plate, and the double-layer screw caps are screwed and welded.
The special-shaped splice plate is formed by welding four steel plates, stiffening ribs are respectively arranged at two opposite ends of the special-shaped splice plate, an anchor bolt hole is reserved on the special-shaped splice plate along the vertical direction, a screw rod hole a is reserved in the horizontal direction, the anchor bolt hole corresponds to the position of an embedded foundation anchor bolt at the top of the reinforced concrete beam, and the screw rod hole a corresponds to the position of a screw rod hole b; two heterotypic splice plates splice, encase steel column base bottom plate, and the pre-buried rag crab-bolt at reinforced concrete roof beam top passes the reservation anchor bolt hole of heterotypic splice plate, screws up double-deck nut and welds up.
Two heterotypic splice plates pass through the long screw bolt connection of horizontal direction with the box steel column, and every long screw bolt's screw rod corresponds in proper order and passes two screw rod holes b and a screw rod hole an on a screw rod hole an, two relative sides on the box steel column, and the position in above-mentioned four holes that every long screw bolt's screw rod passed is corresponding, adopts double-deck nut to screw up and weld and die.
The two special-shaped splice plates are welded into a whole by adopting butt welding seams.
The concrete is directly poured in the area surrounded by the two special-shaped splicing plates without formwork support.
The invention has the beneficial effects that: a combined external-wrapping type hybrid node omits a template supporting procedure, reduces the aerial professional construction difficulty, can effectively strengthen the connection of an upper lower structure, increases the embedding constraint force on an upper steel column, slows down the rigidity mutation of the upper lower structure, ensures the cooperative working capability of the hybrid structure, and improves the overall anti-seismic performance of the RC frame-steel structure layered hybrid structure.
Drawings
FIG. 1 is a schematic structural diagram of a composite overwrap hybrid node of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an elevation view of a box steel column in a composite overwrap hybrid node of the present invention;
fig. 4(a) and (b) are schematic structural diagrams of the special-shaped splice plate in the combined outer wrapping type hybrid node.
In the figure, 1, a reinforced concrete column, 2, a reinforced concrete beam, 3, a box-type steel column, 4, a steel column base bottom plate, 5, a fine aggregate concrete leveling layer, 6, a special-shaped splice plate, 7, a stiffening rib, 8, a round head bolt, 9, an anchor bolt hole, 10, an anchor bolt hole, 11, an anchor bolt, 12, a screw hole a, 13, a screw hole b, 14, a long screw stud, 15, a nut, 16, a locking washer and 17 concrete.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a combined outer wrapping type mixed node, which comprises a reinforced concrete column 1 and a reinforced concrete beam 2, wherein the reinforced concrete column 1 is vertically arranged, the reinforced concrete beam 2 is transversely arranged on the reinforced concrete column 1, and the upper surfaces of the reinforced concrete column and the reinforced concrete beam are flush; chiseling concrete protective layers on the upper surfaces of a reinforced concrete column 1 and a reinforced concrete beam 2, avoiding drilling of steel bars in the beam and the column, and pouring bar-planting glue and pre-buried anchor bolts 11 into the holes; c50 fine stone concrete is adopted for leveling; an anchor bolt hole 10 is reserved in the steel column base bottom plate 4, and the anchor bolt hole 10 corresponds to the position of an embedded foundation bolt 11 at the top of the reinforced concrete column 1; as shown in fig. 3, screw holes b13 are reserved on opposite sides of the steel column 3, and round-head pins 8 are welded (in fig. 3,the distance d between the center of the round head stud 8 and the center of the screw hole b13 is more than or equal to 3d0；d0The larger of the diameter of the screw hole b13 and the diameter of the round-head stud 8)); after the C50 fine stone concrete leveling layer 5 is cured; installing a steel column 3, enabling an embedded foundation anchor bolt 11 at the top of the reinforced concrete column 1 to penetrate through a reserved anchor bolt hole 10 of a column base bottom plate 4, screwing a double-layer screw cap 15 and welding; prefabricating two special-shaped splicing plates 6 provided with stiffening ribs 7, wherein the structure of the special-shaped splicing plates 6 is shown in fig. 4(a) is a front view of the special-shaped splicing plates 6, and fig. 4(b) is a left view of the special-shaped splicing plates 6), the special-shaped splicing plates 6 are formed by welding four steel plates, an anchor bolt hole 10 is reserved in the vertical direction, a screw hole a12 is reserved in the horizontal direction, the anchor bolt hole 10 corresponds to the position of an embedded anchor bolt 11 at the top of the reinforced concrete beam 2, and the screw hole a12 corresponds to the position of a screw hole b 13; two special-shaped splicing plates 6 are symmetrically arranged on two sides of a steel column 3 on the upper surface of the leveling layer 5, a steel column base bottom plate 4 is wrapped, a pre-embedded foundation anchor bolt 11 on the top of the reinforced concrete beam 2 penetrates through a reserved anchor bolt hole 10 of each special-shaped splicing plate 6, and a double-layer screw cap 15 is screwed and welded tightly; then connecting the two special-shaped splice plates 6 with the steel column 3 by adopting horizontal long-screw stud bolts 14, wherein the screw of each long-screw stud bolt 14 sequentially passes through one hole in a screw hole a12, two opposite holes in a screw hole b13 and one hole in a screw hole a12, the positions of the four holes correspond to each other, and the four holes are screwed and welded by adopting double-layer screw caps 15; welding the two special-shaped splice plates 6 into a whole by adopting butt weld; and finally, filling concrete 17 into the area surrounded by the two special-shaped splicing plates 6.
The manufacturing process of the combined outer wrapping type mixed node comprises the following steps: chiseling the concrete protective layer of reinforced concrete post 1 and 2 upper surfaces of reinforced concrete beam, keeping away the drilling of reinforcing bar in roof beam, the post, pouring into the embedded sill anchor 11 of bar planting glue in the hole, the diameter of crab anchor 11, quantity are according to concrete engineering design needs and decide. And C50 fine aggregate concrete leveling layers 5 with the same width and thickness of 50mm are poured on the upper surfaces of the reinforced concrete columns 1 and the reinforced concrete beams 2. Preparing a steel column base bottom plate 4, a box-type steel column 3 and a special-shaped splice plate 6 in a factory, reserving an anchor bolt hole 10 in the steel column base bottom plate 4, wherein the anchor bolt hole 10 corresponds to the position of an embedded foundation bolt 11 at the top of a reinforced concrete column 1; screw holes b13 are reserved on two opposite side surfaces of the steel column 3, round-head studs 8 are welded, the number and the diameter of the round-head studs 8 are determined according to the actual height of concrete 17, and the distance from the center of the stud 8 to the center of the screw hole b13 is not less than 3 times of the diameter of the screw hole b13 or the diameter of the round-head stud 8; the special-shaped splice plate 6 is formed by welding four steel plates, an anchor bolt hole 10 is reserved in the vertical direction, a screw rod hole a12 is reserved in the horizontal direction, the anchor bolt hole 10 corresponds to the position of an embedded anchor bolt 11 at the top of the reinforced concrete beam 2, and the screw rod hole a12 corresponds to the position of a screw rod hole b 13; the diameter, number and position of the screw holes are determined according to the requirements of specific engineering design. And after the concrete leveling layer 5 is maintained, mounting the steel column 3, enabling the embedded foundation anchor bolt 11 at the top of the reinforced concrete column 1 to penetrate through the reserved anchor bolt hole 10 of the column base bottom plate 4, screwing the double-layer screw cap 15 and welding. Two special-shaped splicing plates 6 are symmetrically arranged on two sides of a steel column 3 of the upper surface of the leveling layer 5, the steel column base bottom plate 4 is wrapped, the embedded foundation bolts 11 at the top of the reinforced concrete beam 2 penetrate through reserved anchor bolt holes 10 of the special-shaped splicing plates 6, and double-layer nuts 15 are screwed up and welded. And then, connecting the special-shaped splice plates 6, the steel columns 3 and the reinforced concrete beam 2 into a whole by adopting a horizontal long-screw stud bolt 14, and screwing and welding by adopting a double-layer nut 15. And then two special-shaped splice plates 6 are welded and connected into a whole by adopting butt weld. And finally, filling concrete 17 into the area surrounded by the two special-shaped splicing plates 6.
By adopting the combined outer-wrapping type mixed node, the template supporting process of concrete pouring can be omitted, the construction difficulty is reduced, the connection of the upper and lower structures can be effectively enhanced, the embedding constraint force on the upper steel column is increased, the rigidity mutation of the upper and lower structures is slowed down, the cooperative working capability of the mixed structure is ensured, and the overall anti-seismic performance of the RC frame-steel structure added-layer mixed structure is improved.
The invention relates to a combined external wrapping type mixed node which is characterized in that:
1. the special-shaped splice plate is connected with the reinforced concrete beam through the embedded anchor bolts, so that the connection of the upper structure and the lower structure can be enhanced.
2. The special-shaped splice plates and the steel column are connected into a whole by the horizontal long-screw stud bolts, so that the connection between the steel column and the lower structure can be further enhanced.
3. Concrete is poured into the two integrally welded special-shaped splice plates, a template supporting procedure is omitted, the construction difficulty is reduced, and meanwhile the rigidity of a node area and the embedding constraint degree of an upper steel column can be increased.
4. Round-head studs are symmetrically welded on two sides of the steel column, so that reliable bonding between the steel column and concrete can be guaranteed, and internal force can be effectively transmitted.
5. The special-shaped splice plates are welded with the stiffening ribs, so that the rigidity of the splice plates can be increased, and the splice plates are prevented from being greatly deformed.
Claims (8)
1. The combined outer-wrapping type mixed node is characterized by comprising a reinforced concrete column (1) which is vertically arranged, wherein a reinforced concrete beam (2) is transversely arranged at the upper end of the reinforced concrete column (1), and the upper end of the reinforced concrete column (1) is flush with the upper surface of the reinforced concrete beam (2); a steel column base bottom plate (4) is axially arranged on the reinforced concrete column (1); the upper part of the steel column base bottom plate (4) is fixedly connected with a box-shaped steel column (3); the upper surface of the reinforced concrete beam (2) is provided with a fine aggregate concrete leveling layer (5), and two special-shaped splice plates (6) are respectively and symmetrically arranged above the fine aggregate concrete leveling layer (5) and on two opposite sides of the box-type steel column (3); the area surrounded by the two special-shaped splice plates (6) is filled with concrete (17).
2. The composite overwrapped hybrid node of claim 1, wherein: the concrete protection layer of reinforced concrete post (1) and reinforced concrete roof beam (2) upper surface is dug out, avoids the drilling of reinforcing bar in reinforced concrete post (1), reinforced concrete roof beam (2), pours into embedded anchor bolt (11) of bar planting glue in this drilling.
3. The composite overwrapped hybrid node of claim 1 or 2, wherein: and C50 fine aggregate concrete is adopted for leveling the upper surfaces of the reinforced concrete column (1) and the reinforced concrete beam (2).
4. The composite overwrapped hybrid node of claim 1 or 2, wherein: screw holes b (13) are reserved in two opposite side faces of the box-shaped steel column (3) respectively, and round-head studs (8) are welded to the two opposite side faces of the box-shaped steel column (3) respectively; an anchor bolt hole (10) is reserved on the steel column base bottom plate (4), and the anchor bolt hole (10) corresponds to the position of an embedded foundation bolt (11) at the top of the reinforced concrete column (1); when the box-type steel column (3) is installed, the embedded anchor bolts (11) at the top of the reinforced concrete column (1) penetrate through reserved anchor bolt holes (10) of the steel column base bottom plate (4), and the double-layer screw caps (15) are screwed and welded.
5. The composite overwrapped hybrid node of claim 4, wherein: the special-shaped splice plate (6) is formed by welding four steel plates, stiffening ribs (7) are respectively arranged at two opposite ends of the special-shaped splice plate (6), an anchor bolt hole (10) is reserved in the special-shaped splice plate (6) along the vertical direction, a screw rod hole a (12) is reserved in the horizontal direction, the anchor bolt hole (10) corresponds to the position of an embedded anchor bolt (11) at the top of the reinforced concrete beam (2), and the screw rod hole a (12) corresponds to the position of a screw rod hole b (13); two heterotypic splice plates (6) splice, wrap steel column base bottom plate (4), and pre-buried rag anchor bolt (11) at reinforced concrete roof beam (2) top passes reserved anchor bolt hole (10) of heterotypic splice plate (6), screws up double-deck nut (15) and welds up.
6. The composite overwrapped hybrid node of claim 5, wherein: the special-shaped splicing plates (6) are connected with the box-type steel column (3) through horizontal long-screw double-headed bolts (14), a screw of each long-screw double-headed bolt (14) sequentially and correspondingly penetrates through a screw hole a (12), two screw holes b (13) on two opposite side surfaces of the box-type steel column (3) and a screw hole a (12), the positions of the four holes, which are penetrated by the screw of each long-screw double-headed bolt (14), are corresponding, and double-layer nuts (15) are adopted for screwing and welding.
7. The composite overwrapped hybrid node of claim 6, wherein: the two special-shaped splice plates (6) are welded into a whole by adopting butt welding seams.
8. The composite overwrapped hybrid node of claim 1, wherein: the concrete (17) is directly poured into the area surrounded by the two special-shaped splicing plates (6) without a formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321012.0A CN114033207B (en) | 2021-11-09 | 2021-11-09 | Combined outsourcing type mixing node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321012.0A CN114033207B (en) | 2021-11-09 | 2021-11-09 | Combined outsourcing type mixing node |
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| CN114033207A true CN114033207A (en) | 2022-02-11 |
| CN114033207B CN114033207B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111321012.0A Active CN114033207B (en) | 2021-11-09 | 2021-11-09 | Combined outsourcing type mixing node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1136449A (en) * | 1997-07-16 | 1999-02-09 | Ando Corp | Column-beam joining part structure |
| CN201943191U (en) * | 2011-01-26 | 2011-08-24 | 北京赛博思建筑设计有限公司 | Novel cold-bent rectangular steel pipe column assembled pedestal |
| CN203296175U (en) * | 2013-06-24 | 2013-11-20 | 北京亚太可建钢结构技术研发有限公司 | Rectangular steel pipe column assembly type column foot |
| CN103669598A (en) * | 2013-12-30 | 2014-03-26 | 合肥工业大学 | Layer added steel framework column base node on top of multi-layer concrete framework structure and construction method thereof |
| CN207377168U (en) * | 2017-11-01 | 2018-05-18 | 中国建筑一局(集团)有限公司 | One kind plus layer steel column foot node |
| CN208650258U (en) * | 2018-06-27 | 2019-03-26 | 西安理工大学 | A kind of outer hoop assembled connecting node for the light steel increasing layer mixed structure of RC- |
| CN113585805A (en) * | 2021-08-17 | 2021-11-02 | 上海市政工程设计研究总院（集团）有限公司 | Connecting structure of layered steel column base |
-
2021
- 2021-11-09 CN CN202111321012.0A patent/CN114033207B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1136449A (en) * | 1997-07-16 | 1999-02-09 | Ando Corp | Column-beam joining part structure |
| CN201943191U (en) * | 2011-01-26 | 2011-08-24 | 北京赛博思建筑设计有限公司 | Novel cold-bent rectangular steel pipe column assembled pedestal |
| CN203296175U (en) * | 2013-06-24 | 2013-11-20 | 北京亚太可建钢结构技术研发有限公司 | Rectangular steel pipe column assembly type column foot |
| CN103669598A (en) * | 2013-12-30 | 2014-03-26 | 合肥工业大学 | Layer added steel framework column base node on top of multi-layer concrete framework structure and construction method thereof |
| CN207377168U (en) * | 2017-11-01 | 2018-05-18 | 中国建筑一局(集团)有限公司 | One kind plus layer steel column foot node |
| CN208650258U (en) * | 2018-06-27 | 2019-03-26 | 西安理工大学 | A kind of outer hoop assembled connecting node for the light steel increasing layer mixed structure of RC- |
| CN113585805A (en) * | 2021-08-17 | 2021-11-02 | 上海市政工程设计研究总院（集团）有限公司 | Connecting structure of layered steel column base |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN114033207B (en) | 2023-11-03 |
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