CN108222373B - Reinforced cold-formed steel tube concrete column, structural system and construction method - Google Patents
Reinforced cold-formed steel tube concrete column, structural system and construction method Download PDFInfo
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- CN108222373B CN108222373B CN201711268067.3A CN201711268067A CN108222373B CN 108222373 B CN108222373 B CN 108222373B CN 201711268067 A CN201711268067 A CN 201711268067A CN 108222373 B CN108222373 B CN 108222373B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 326
- 239000010959 steel Substances 0.000 title claims abstract description 326
- 239000004567 concrete Substances 0.000 title claims abstract description 131
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000011150 reinforced concrete Substances 0.000 claims description 74
- 230000002787 reinforcement Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 10
- 238000010008 shearing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000009417 prefabrication Methods 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/945—Load-supporting structures specially adapted therefor
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- Rod-Shaped Construction Members (AREA)
Abstract
The reinforced cold-formed steel pipe concrete column comprises a steel pipe column main body and column concrete poured in the steel pipe column main body; the steel pipe column main body is made of a cold-formed steel pipe, and a hole is formed in the steel pipe column main body at a position connected with a structural beam to be installed; the inside of the steel pipe column main body and the upper side and the lower side of the hole are respectively provided with a horizontal stiffening plate, and a first vertical stiffening plate is connected between the two horizontal stiffening plates; and perforations are arranged on the horizontal stiffening plates or between the horizontal stiffening plates and the steel pipe column main body. The invention solves the technical problems of fire prevention, poor earthquake-resistant effect, low construction speed and poor construction quality of the traditional structural system.
Description
Technical Field
The invention belongs to the technical field of structural engineering, and particularly relates to a reinforced cold-formed steel tube concrete column, a structural system and a construction method.
Background
China is a country with frequent earthquakes, earthquake disasters are natural disasters with the greatest casualties of residents in China, and casualties and property loss caused by the huge earthquake disasters are main losses in the earthquake disasters. Therefore, the requirements on the earthquake resistance of new buildings are higher and higher, and the assembled building is required to have good shearing resistance and ductility, and can safely resist the damage of a certain earthquake level.
The cast-in-place concrete structure system is a mainstream structure at present, but has the defects of long construction time, poor earthquake resistance and the like. The steel structure has the defects of poor fire resistance and the like or is insufficient.
How to find a novel structural system which can realize industrial production, is green, has good fireproof performance and good earthquake resistance becomes an important difficult problem for engineering.
Disclosure of Invention
The invention aims to provide a reinforced cold-formed steel tube concrete column, a structural system and a construction method, which aim to solve the technical problems of poor fireproof and earthquake-proof effects, low construction speed and poor construction quality of the traditional structural system.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
A reinforced cold-formed steel pipe concrete column comprises a steel pipe column main body and column concrete poured in the steel pipe column main body; the steel pipe column main body is made of a cold-formed steel pipe, and a hole is formed in the steel pipe column main body at a position connected with a structural beam to be installed; the inside of the steel pipe column main body and the upper side and the lower side of the hole are respectively provided with a horizontal stiffening plate, and a first vertical stiffening plate is connected between the two horizontal stiffening plates; and perforations are arranged on the horizontal stiffening plates or between the horizontal stiffening plates and the steel pipe column main body.
Preferably, the side of the steel pipe column main body provided with the hole and the height position corresponding to the upper horizontal stiffening plate and the lower horizontal stiffening plate are respectively provided with a horizontal connecting short plate.
Preferably, a steel reinforcement cage is arranged in the steel pipe column main body.
Preferably, the hole is formed on one side of the steel pipe column main body connected with the structural beam; the shape of the horizontal stiffening plate is adapted to the cross section shape of the steel pipe column main body, and the edge of the horizontal stiffening plate is welded with the side wall of the steel pipe column main body; the perforation is arranged on the plate surface of the horizontal stiffening plate; the first vertical stiffening plate is connected between the two horizontal stiffening plates along the transverse axis direction of the steel pipe column main body; and vertical short plates are further connected between the outer side of the first vertical stiffening plate and the upper and lower connecting short plates.
Preferably, the hole is formed on one side of the steel pipe column main body connected with the structural beam; the horizontal stiffening plates are arranged along the cross section transverse axis of the steel pipe column main body in a through length mode, and the two lateral sides of the horizontal stiffening plates are respectively spaced from the steel pipe column main body; the end parts of the horizontal stiffening plates extend out of the steel pipe column main body, and the extending parts form the connecting short plates; the gap between the horizontal stiffening plate and the steel pipe column main body forms the perforation; the first vertical stiffening plate is connected between the transverse shafts of the two horizontal stiffening plates, and the end parts of the first vertical stiffening plates extend out of the holes in the side surfaces of the steel pipe column main bodies and are flush with the end parts of the connecting short plates on the corresponding sides.
A structural system of a reinforced cold-formed steel tube concrete column comprises a structural beam, a shear member, a floor slab and a foundation; the end part of the structural beam is correspondingly connected with a connecting short plate on the steel pipe column main body; the top surface of the structural beam is correspondingly arranged with the top surface of the upper connecting short plate, and the bottom surface of the structural beam is correspondingly arranged with the bottom surface of the lower connecting short plate; the web plate of the structural beam is correspondingly connected with the first vertical stiffening plate or the vertical short plate; at least one second vertical stiffening plate is arranged on the concrete filled steel tube column; the second vertical stiffening plate is connected between the first vertical stiffening plate or the vertical short plate and the side edge of the hole on the corresponding side, and is blocked at the position of the hole; the shearing resistant member is connected in a frame structure formed by enclosing the steel tube concrete column and the structural beam through a connecting piece.
Preferably, the structural beam is a steel beam, a steel skeleton beam or a prefabricated variable-rigidity hybrid composite beam, and the section of the structural beam is I-shaped; the web end of the structural beam is bolted and/or welded with the end of the first vertical stiffening plate or the end of the vertical short plate on the corresponding side;
the shearing resistant component is a steel plate shear wall plate or an out-of-plane constraint steel plate shear wall plate or a steel plate reinforced concrete shear wall plate or a prefabricated reinforced concrete shear wall plate or a steel support; the connecting piece is a steel plate and/or a peg connected to the inner side of a frame structure formed by enclosing a steel tube concrete column and a structural beam;
the floor slab is a prefabricated reinforced concrete floor slab or a reinforced truss concrete floor slab or a profiled steel sheet cast-in-situ reinforced concrete floor slab; wherein the floor slab concrete is common concrete or recycled concrete or high fly ash concrete;
the foundation is a reinforced concrete independent foundation or a reinforced concrete raft foundation or a reinforced concrete beam foundation or a reinforced concrete box foundation or a reinforced concrete pile raft foundation;
the column concrete in the steel tube concrete column is common concrete or recycled concrete or high fly ash concrete.
A construction method of a structural system containing a reinforced cold-formed steel tube concrete column comprises the following steps.
Step one, constructing a reinforced concrete foundation.
Step two, installing and fixing the steel pipe column main body prefabricated in a factory; wherein, the position on the steel-pipe column main body, which is connected with the structural beam to be installed, is provided with a hole.
The factory prefabrication of the steel pipe column main body comprises the following steps.
Step 1, preparing raw materials: including preparation of cold-formed steel pipes, steel plates and section steel materials.
Step 2, correcting the steel: straightening the steel plate and the section steel.
Step 3, lofting: the method comprises the steps of lofting holes, horizontal stiffening plates, first vertical stiffening plates, connecting short plates and second vertical stiffening plates according to design requirements.
Step 4, cutting: performing hole cutting on the cold-formed steel pipe according to the lofting position in the step 3; simultaneously, the cut steel plate is manufactured into a horizontal stiffening plate, a first vertical stiffening plate and a second vertical stiffening plate.
And 5, welding and connecting a horizontal stiffening plate, a first vertical stiffening plate and a second vertical stiffening plate on the cut cold-formed steel pipe.
And 6, correcting the welded steel pipe column main body, and finishing the machining.
Thirdly, constructing a structural beam; and correspondingly connecting the end part of the structural beam with the connecting short plate at the outer side of the steel pipe column main body at the corresponding side with the first vertical stiffening plate or the vertical short plate.
And fourthly, pouring column concrete in the steel pipe column main body.
And fifthly, hoisting the floor slab.
Step six, repeating the step two to the step five until the construction reaches the top layer; and finishing the construction.
Preferably, the step 3 of the second step further comprises lofting the vertical short plates;
the step 4 also comprises cutting the connecting short plates and the vertical short plates, wherein the shape of the manufactured horizontal stiffening plate is matched with the section shape of the steel pipe column main body, and the plate surface of the horizontal stiffening plate is provided with perforations;
the concrete method of the step 5 is that the edges of the horizontal stiffening plates are welded with the side wall of the steel pipe column main body, a first vertical stiffening plate is connected between the two horizontal stiffening plates along the transverse axis direction of the steel pipe column main body, a connecting short plate is connected at one side of a hole formed in the steel pipe column main body and corresponds to the height position of the upper and lower horizontal stiffening plates, a vertical short plate is connected between the upper and lower connecting short plates, and the inner side edge of the vertical short plate is correspondingly connected with the first vertical stiffening plate;
the concrete construction method of the construction structural beam comprises the following steps that the end part of the structural beam is correspondingly connected with a connecting short plate and a vertical short plate at the position intersected with the steel pipe concrete column;
when the steel bar cage is arranged in the steel tube concrete column, the steel bar cage is constructed between the third step and the fourth step, and the steel bar cage passes through the first perforation formed in the middle of the horizontal stiffening plate.
Preferably, the horizontal stiffening plate manufactured in the step 4 is in a strip shape;
the concrete method of the step 5 is that a horizontal stiffening plate is arranged along the cross section transverse axis of the steel pipe column main body in a through length way, the transverse edges at two sides of the horizontal stiffening plate are respectively spaced from the steel pipe column main body, the end part of the horizontal stiffening plate extends out of the steel pipe column main body, and the extending part forms the connecting short plate; connecting a first vertical stiffening plate between two horizontal stiffening plates along the transverse axis direction of the steel pipe column main body, wherein the end part of the first vertical stiffening plate extends out of a hole on the side surface of the steel pipe column main body and is level with the end part of a short connecting plate on the corresponding side; the concrete construction method of the construction structural beam comprises the following steps that the end part of the structural beam is correspondingly connected with a connecting short plate and a first vertical stiffening plate at the position intersecting with a concrete filled steel tube column;
when the steel tube concrete column is provided with the steel reinforcement cage, the steel reinforcement cage and the steel tube column main body are processed into a whole in a factory.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The current connection of the cold-bent steel tube concrete column and the beam is usually in a diaphragm mode, and the diaphragm is subjected to vertical tension damage under the action of large shock or huge shock, so that the risk of overall structure damage is caused; the reinforced cold-formed steel pipe concrete column is made of cold-formed steel pipes, holes are formed in positions, connected with structural beams to be installed, of a steel pipe column main body, horizontal stiffening plates are respectively arranged in the steel pipe column main body and located on the upper side and the lower side of the holes, and a first vertical stiffening plate is connected between the two horizontal stiffening plates; the steel tube concrete column is reinforced, only a hole is formed locally, the vertical steel tube column is continuous, and the vertical tensile stress born by the diaphragm plate can be effectively reduced, so that the risk of damage to the whole structure is avoided or reduced; the structure not only solves the problem of difficult connection with the structural beam, but also solves the technical problems of weaker column side surface at the position of the hole, insufficient bearing capacity and poor anti-seismic effect.
2. The structural column in the structural system containing the reinforced cold-formed steel tube concrete column adopts the reinforced cold-formed steel tube concrete column, and the structural beam adopts the steel structural beam, so that the structural system combines the anti-seismic advantage of high ductility of the steel structure and the steel tube concrete structure, and the anti-seismic performance of the reinforced concrete house is greatly improved compared with that of a common reinforced concrete house, so that the house is not easy to collapse in an earthquake.
3. In the structural system containing the reinforced cold-formed steel tube concrete column, the connecting short plates are arranged on the side surface of the steel tube concrete column, and are connected with the structural beam through the connecting short plates and the vertical short plates or through the connecting short plates and the first vertical stiffening plates, and the connecting mode is positioned outside the side surface of the steel tube concrete column, so that the technical problems of low construction speed and poor construction quality of the direct connection of the traditional structural beam and the side surface of the steel tube concrete column are solved.
4. The fire resistance of the reinforced concrete-filled steel tube column in the structural system containing the reinforced cold-bent concrete-filled steel tube column is far better than that of a common steel structure, so that the reinforced concrete-filled steel tube column has good fire resistance and provides good conditions for people to escape from fire.
5. The shear members in the structural system are detachably connected, so that the shear members are renewable, and repair can be completed only by replacing damaged shear wallboards or supports after large shock and huge shock.
6. By combining industrialization, most of the work can be finished by a prefabrication method; the construction period is shortened in the construction process, and the construction quality is improved; in addition, the steel material can be recycled, and the secondary utilization of the fly ash is facilitated if the fly ash concrete is adopted, so that the invention has the advantages of environment friendliness, energy conservation and environmental protection.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic front view showing a structure of a steel pipe concrete column in example 1 connected to a steel beam when the steel pipe concrete column is provided with a reinforcement cage.
Fig. 2 is a plan view showing a structure of a steel pipe concrete column in example 1 connected to a steel beam when the steel pipe concrete column is provided with a reinforcement cage.
Fig. 3 is a schematic plan view of the concrete filled steel tubular column of example 1 without a reinforcement cage.
Fig. 4 is a schematic front view showing a structure of connecting the steel tube concrete column of example 2 with a steel beam when no reinforcement cage is provided.
Fig. 5 is a schematic plan view of the concrete filled steel tubular column of example 2 without a reinforcement cage.
Fig. 6 is a schematic view of the structure of fig. 5 without concrete casting.
Fig. 7 is a schematic diagram showing the connection structure between the two ends of the prefabricated variable-stiffness hybrid composite beam and the concrete filled steel tube column in example 2.
Fig. 8 is a schematic cross-sectional view of a prefabricated variable stiffness hybrid composite beam according to the present invention.
Fig. 9 is a schematic cross-sectional view of a steel girder according to the present invention.
Fig. 10 is a schematic diagram of a connection structure between a prefabricated variable-stiffness hybrid composite beam and a steel plate reinforced concrete shear wall panel in the invention.
FIG. 11 is a schematic plan view of the structural system of the reinforced concrete filled steel tubular column of the present invention.
Fig. 12 is a schematic structural view of a steel reinforced concrete shear wall panel connected to a frame structure according to the present invention.
FIG. 13 is a schematic view showing a connection structure between a concrete filled steel tubular column and a foundation according to the present invention.
Reference numerals: 1-steel tube concrete column, 1.1-steel reinforcement cage, 1.2-steel tube column main body, 1.3-column concrete, 2-steel beam, 3-steel plate reinforced concrete shear wallboard, 3.1-steel plate wall core, 3.2-reinforced concrete wallboard, 4-floor, 5-hole, 6-second vertical stiffening plate, 7-connecting piece, 8-foundation, 9-prefabricated rigidity-variable hybrid composite beam, 9.1-beam skeleton, 9.2-reinforced concrete block, 9.3-concrete protective layer, 10-steel skeleton, 10.1-steel skeleton, 10.2-structure beam concrete, 11-connection short plate, 12-horizontal stiffening plate, 13-perforation, 14-first vertical stiffening plate and 15-vertical short plate.
Detailed Description
Example 1
As shown in fig. 1-3, the reinforced cold-formed steel pipe concrete column comprises a steel pipe column main body 1.2 and column concrete 1.3 poured in the steel pipe column main body 1.2; the steel pipe column main body 1.2 is made of a cold-formed steel pipe, and a hole 5 is formed in the position, connected with a structural beam to be installed, of the steel pipe column main body 1.2; the inside of the steel pipe column main body 1.2 and the upper side and the lower side of the hole 5 are respectively provided with a horizontal stiffening plate 12, and a first vertical stiffening plate 14 is connected between the two horizontal stiffening plates 12; the shape of the horizontal stiffening plate 12 is adapted to the cross section shape of the steel pipe column main body 1.2, and the edge of the horizontal stiffening plate 12 is welded with the side wall of the steel pipe column main body 1.2; the plate surface of the horizontal stiffening plate 12 is provided with a perforation 13; the first vertical stiffening plate 14 is connected between the two horizontal stiffening plates 12 along the transverse axis direction of the steel pipe column main body 1.2; a horizontal connecting short plate 11 is respectively arranged at the height position corresponding to the upper and lower horizontal stiffening plates 12 at one side of the steel pipe column main body 1.2 provided with the hole 5, and a vertical short plate 15 is also connected between the outer side of the first vertical stiffening plate 14 and the upper and lower connecting short plates 11; the inner side edge of the vertical short plate 15 extends into the hole 5 and is welded with the outer side edge of the first vertical stiffening plate 14.
In this embodiment, the steel pipe column main body 1.2 may further be provided with a reinforcement cage 1.1.
In this embodiment, the vertical short plates 15 are welded to the upper and lower connection short plates 11.
Of course, in other embodiments, the vertical short plates 15 and the upper and lower connecting short plates 11 may be integrally formed.
As shown in fig. 1, 2 and 8-13, the structural system of the reinforced cold-formed steel tube concrete column comprises a structural beam, a shear member, a floor slab 4 and a foundation 8; the end part of the structural beam is correspondingly connected with a connecting short plate 11 on the steel pipe column main body 1.2; the top surface of the structural beam is correspondingly arranged with the top surface of the upper connecting short plate 11, and the bottom surface of the structural beam is correspondingly arranged with the bottom surface of the lower connecting short plate 11; the web plate of the structural beam is correspondingly connected with the vertical short plate 15; at least one second vertical stiffening plate 6 is arranged on the concrete filled steel tube column 1; the second vertical stiffening plate 6 is connected between the vertical short plate 15 and the side edge of the hole 5 on the corresponding side, and is blocked at the position of the hole 5; the shearing resistant member is connected in a frame structure formed by enclosing the steel tube concrete column 1 and the structural beam through a connecting piece 7.
In the structural system of this embodiment, a reinforcement cage 1.1 may also be disposed in the steel pipe column main body 1.2.
In this embodiment, the structural beam may be a steel beam 2, a steel skeleton beam 10, or a prefabricated variable-rigidity hybrid composite beam 9, and the cross section of the structural beam is i-shaped; the web ends of the structural beams are bolted and/or welded to the ends of the vertical stubs 15 on the corresponding side.
In this embodiment, the shear member may be a steel plate shear wall panel, an out-of-plane constraint steel plate shear wall panel, a steel plate reinforced concrete shear wall panel 3, a prefabricated reinforced concrete shear wall panel, or a steel support; the connecting piece 7 is a steel plate and/or a bolt connected to the inner side of a frame structure formed by enclosing the steel tube concrete column 1 and the structural beam; the steel plate reinforced concrete shear wallboard 3 comprises a steel plate wall core 3.1 and reinforced concrete wallboards 3.2 on two sides of the steel plate wall core 3.1; four sides of the steel plate wall core 3.1 are beyond the peripheral side surfaces of the steel plate reinforced concrete shear wall plate 3; the steel plate wall core 3.1 is provided with perforations on the surface thereof, and the steel plate wall core 3.1 is connected with the reinforced concrete wall plate 3.2 through connecting steel bars or shear bolts penetrating the perforations.
In this embodiment, the floor slab 4 may be a prefabricated reinforced concrete floor slab, a reinforced truss concrete floor slab, or a profiled steel sheet cast-in-situ reinforced concrete floor slab; wherein the floor slab concrete is common concrete or recycled concrete or high fly ash concrete.
In this embodiment, the foundation 8 may be a reinforced concrete independent foundation, a reinforced concrete raft foundation, a reinforced concrete beam foundation, a reinforced concrete box foundation, a reinforced concrete pile foundation, or a reinforced concrete pile raft foundation.
The column concrete 1.3 in the steel tube concrete column 1 can be common concrete, regenerated concrete or high fly ash concrete.
The prefabricated variable-rigidity hybrid composite beam 9 comprises a beam framework 9.1 and reinforced concrete blocks 9.2 arranged on two sides of a web plate of the beam framework 9.1;
the beam framework 9.1 comprises an upper flange plate, a lower flange plate and a web plate which is close to the middle of the upper flange plate and the lower flange plate and is connected between the upper flange plate and the lower flange plate; the reinforced concrete blocks 9.2 in the embodiment are positioned in a frame formed by a web plate of the beam framework 9.1 and upper and lower flange plates, and a gap between the reinforced concrete blocks 9.2 and the beam framework 9.1 and the outer side of the reinforced concrete blocks 9.2 are poured with a concrete protection layer 9.3; the ends of the beam skeleton 9.1 extend beyond the ends of the reinforced concrete blocks 9.2.
In this embodiment, when the structural beam is the steel skeleton beam 10, two ends of the middle-sized steel skeleton 10.1 of the steel skeleton beam 10 respectively exceed two ends of the outer structural beam concrete 10.2; the part of the section steel skeleton 10.1 exceeding the end part of the structural beam concrete 10.2 is correspondingly connected with the vertical short plates 15 and the connecting short plates 11.
The construction method of the structural system containing the reinforced cold-formed steel tube concrete column comprises the following steps.
Step one, constructing a reinforced concrete foundation 8.
Step two, installing the prefabricated steel pipe column main body 1.2 in a factory; wherein, the position on the steel pipe column main body 1.2, which is connected with the structural beam to be installed, is provided with a hole 5.
The factory prefabrication step of the steel pipe column main body 1.2 comprises the following steps.
Step 1, preparing raw materials: including preparation of cold-formed steel pipes, steel plates and section steel materials.
Step 2, correcting the steel: straightening the steel plate and the section steel.
Step 3, lofting: the method comprises the steps of lofting holes 5, horizontal stiffening plates 12, first vertical stiffening plates 14, connecting short plates 11, vertical short plates 15 and second vertical stiffening plates 6 according to design requirements.
Step 4, cutting: cutting holes 5 in the cold-formed steel pipe according to the lofting position in the step 3; meanwhile, the cut steel plates are manufactured into a horizontal stiffening plate 12, a first vertical stiffening plate 14, a connecting short plate 11 and a second vertical stiffening plate 6. The shape of the horizontal stiffening plate 12 is adapted to the cross section shape of the steel pipe column main body 1.2, and the plate surface of the horizontal stiffening plate 12 is provided with a perforation 13.
And 5, welding the edges of the horizontal stiffening plates 12 with the side walls of the steel pipe column main body 1.2, connecting a first vertical stiffening plate 14 between the two horizontal stiffening plates 12 along the transverse axis direction of the steel pipe column main body 1.2, connecting a connecting short plate 11 on one side of a hole 5 formed in the steel pipe column main body 1.2 and at the height position corresponding to the upper and lower horizontal stiffening plates 12, connecting a vertical short plate 15 between the upper and lower connecting short plates 11, and correspondingly connecting the inner side edges of the vertical short plates 15 with the first vertical stiffening plates 14.
And 6, correcting the welded steel pipe column main body 1.2 until the machining is finished.
Thirdly, constructing a structural beam; the end of the structural beam is connected to the connecting short plate 11 and the vertical short plate 15 at a position intersecting the steel pipe concrete column 1.
And fourthly, pouring column concrete 1.3 in the steel pipe column main body 1.2.
And fifthly, hoisting the floor slab 4.
Step six, repeating the step two to the step five until the construction reaches the top layer; and finishing the construction.
In this embodiment, when the steel reinforced concrete column 1 is provided with the steel reinforcement cage 1.1, the steel reinforcement cage 1.1 is constructed between the third step and the fourth step, and the steel reinforcement cage 1.1 passes through the first perforation 13 formed in the middle of the horizontal stiffening plate 12.
The implementation method also comprises the steps of constructing a shear member; the shearing resistant member can be constructed between the third step and the fourth step, and can be connected into a frame structure formed by enclosing the steel pipe column main body 1.2 and the structural beam through the connecting piece 7 after the construction of the sixth step is completed.
Example 2
As shown in fig. 4-7, the reinforced cold-formed steel pipe concrete column comprises a steel pipe column main body 1.2 and column concrete 1.3 poured in the steel pipe column main body 1.2; the steel pipe column main body 1.2 is made of a cold-formed steel pipe, and a hole 5 is formed in the position, connected with a structural beam to be installed, of the steel pipe column main body 1.2; the inside of the steel pipe column main body 1.2 and the upper side and the lower side of the hole 5 are respectively provided with a horizontal stiffening plate 12, the horizontal stiffening plates 12 are arranged along the cross section transverse axis of the steel pipe column main body 1.2 in a through length mode, the two lateral sides of the horizontal stiffening plates 12 are respectively spaced from the steel pipe column main body 1.2, and the gaps between the horizontal stiffening plates 12 and the steel pipe column main body 1.2 form the perforations 13; the end parts of the horizontal stiffening plates 12 extend out of the steel pipe column main body 1.2, and the extending parts form the connecting short plates 11; a first vertical stiffening plate 14 is connected between the two horizontal stiffening plates 12; the first vertical stiffening plate 14 is connected between the two horizontal stiffening plates 12 along the transverse axis direction of the steel pipe column main body 1.2, and the end part of the first vertical stiffening plate 14 extends out of the hole 5 on the side surface of the steel pipe column main body 1.2 and is flush with the end part of the short connecting plate 11 on the corresponding side.
In this embodiment, the steel pipe column main body 1.2 may further be provided with a reinforcement cage 1.1.
As shown in fig. 4 and 8-13, the structural system of the reinforced cold-formed steel tube concrete column comprises a structural beam, a shear member, a floor slab 4 and a foundation 8; the end part of the structural beam is correspondingly connected with a connecting short plate 11 on the steel pipe column main body 1.2; the top surface of the structural beam is correspondingly arranged with the top surface of the upper connecting short plate 11, and the bottom surface of the structural beam is correspondingly arranged with the bottom surface of the lower connecting short plate 11; the web plate of the structural beam is correspondingly connected with the first vertical stiffening plate 14; at least one second vertical stiffening plate 6 is arranged on the concrete filled steel tube column 1; the second vertical stiffening plate 6 is connected between the first vertical stiffening plate 14 and the side edge of the hole 5 on the corresponding side, and is blocked at the position of the hole 5; the shearing resistant member is connected in a frame structure formed by enclosing the steel tube concrete column 1 and the structural beam through a connecting piece 7.
In the structural system of this embodiment, a reinforcement cage 1.1 may also be disposed in the steel pipe column main body 1.2.
In this embodiment, the structural beam may be a steel beam 2, a steel skeleton beam 10, or a prefabricated variable-rigidity hybrid composite beam 9, and the cross section of the structural beam is i-shaped; the web ends of the structural beams are bolted and/or welded to the ends of the first vertical stiffener 14 on the corresponding side.
In this embodiment, the shear member may be a steel plate shear wall panel, an out-of-plane constraint steel plate shear wall panel, a steel plate reinforced concrete shear wall panel 3, a prefabricated reinforced concrete shear wall panel, or a steel support; the connecting piece 7 is a steel plate and/or a bolt connected to the inner side of a frame structure formed by enclosing the steel tube concrete column 1 and the structural beam; the steel plate reinforced concrete shear wallboard 3 comprises a steel plate wall core 3.1 and reinforced concrete wallboards 3.2 on two sides of the steel plate wall core 3.1; four sides of the steel plate wall core 3.1 are beyond the peripheral side surfaces of the steel plate reinforced concrete shear wall plate 3; the steel plate wall core 3.1 is provided with perforations on the surface thereof, and the steel plate wall core 3.1 is connected with the reinforced concrete wall plate 3.2 through connecting steel bars or shear bolts penetrating the perforations.
In this embodiment, the floor slab 4 may be a prefabricated reinforced concrete floor slab, a reinforced truss concrete floor slab, or a profiled steel sheet cast-in-situ reinforced concrete floor slab; wherein the floor slab concrete is common concrete or recycled concrete or high fly ash concrete.
In this embodiment, the foundation 8 may be a reinforced concrete independent foundation, a reinforced concrete raft foundation, a reinforced concrete beam foundation, a reinforced concrete box foundation, a reinforced concrete pile foundation, or a reinforced concrete pile raft foundation.
The column concrete 1.3 in the steel tube concrete column 1 can be common concrete, regenerated concrete or high fly ash concrete.
The prefabricated variable-rigidity hybrid composite beam 9 comprises a beam framework 9.1 and reinforced concrete blocks 9.2 arranged on two sides of a web plate of the beam framework 9.1;
the beam framework 9.1 comprises an upper flange plate, a lower flange plate and a web plate which is close to the middle of the upper flange plate and the lower flange plate and is connected between the upper flange plate and the lower flange plate; the reinforced concrete blocks 9.2 in the embodiment are positioned in a frame formed by a web plate of the beam framework 9.1 and upper and lower flange plates, and a gap between the reinforced concrete blocks 9.2 and the beam framework 9.1 and the outer side of the reinforced concrete blocks 9.2 are poured with a concrete protection layer 9.3; the ends of the beam skeleton 9.1 extend beyond the ends of the reinforced concrete blocks 9.2.
In this embodiment, when the structural beam is the steel skeleton beam 10, two ends of the middle-sized steel skeleton 10.1 of the steel skeleton beam 10 respectively exceed two ends of the outer structural beam concrete 10.2; the part of the section steel skeleton 10.1 exceeding the end part of the structural beam concrete 10.2 is correspondingly connected with the first vertical stiffening plate 14 and the connecting short plate 11.
The construction method of the structural system containing the reinforced cold-formed steel tube concrete column comprises the following steps.
Step one, constructing a reinforced concrete foundation 8.
Step two, installing the prefabricated steel pipe column main body 1.2 in a factory; wherein, the position on the steel pipe column main body 1.2, which is connected with the structural beam to be installed, is provided with a hole 5.
The factory prefabrication step of the steel pipe column main body 1.2 comprises the following steps.
Step 1, preparing raw materials: including preparation of cold-formed steel pipes, steel plates and section steel materials.
Step 2, correcting the steel: straightening the steel plate and the section steel.
Step 3, lofting: the method comprises the steps of lofting holes 5, horizontal stiffening plates 12, first vertical stiffening plates 14, connecting short plates 11 and second vertical stiffening plates 6 according to design requirements.
Step 4, cutting: cutting holes 5 in the cold-formed steel pipe according to the lofting position in the step 3; meanwhile, cutting the steel plate to manufacture a horizontal stiffening plate 12, a first vertical stiffening plate 14 and a second vertical stiffening plate 6; wherein the horizontal stiffening plate 12 is in the shape of an elongated strip.
Step 5, arranging a horizontal stiffening plate 12 along the cross section transverse axis of the steel pipe column main body 1.2 in a through length manner, respectively leaving intervals between the two lateral edges of the horizontal stiffening plate 12 and the steel pipe column main body 1.2, enabling the end part of the horizontal stiffening plate 12 to extend out of the steel pipe column main body 1.2, and enabling the extending part to form the connecting short plate 11; the first vertical stiffening plate 14 is connected between the two horizontal stiffening plates 12 along the transverse axis direction of the steel pipe column main body 1.2, and the end part of the first vertical stiffening plate 14 extends out of the hole 5 on the side surface of the steel pipe column main body 1.2 and is flush with the end part of the connecting short plate 11 on the corresponding side.
And 6, correcting the welded steel pipe column main body 1.2 until the machining is finished.
Thirdly, constructing a structural beam; connecting the end of the structural beam with the connecting short plate 11 and the first vertical stiffening plate 14 correspondingly at the position intersected with the steel tube concrete column 1;
and fourthly, pouring column concrete 1.3 in the steel pipe column main body 1.2.
And fifthly, hoisting the floor slab 4.
Step six, repeating the step two to the step five until the construction reaches the top layer; and finishing the construction.
In this embodiment, when the steel tube concrete column 1 is provided with the reinforcement cage 1.1, the reinforcement cage 1.1 is integrally processed with the steel tube column main body 1.2 in a factory.
The implementation method also comprises the steps of constructing a shear member; the shearing resistant member can be constructed between the third step and the fourth step, and can be connected into a frame structure formed by enclosing the steel pipe column main body 1.2 and the structural beam through the connecting piece 7 after the construction of the sixth step is completed.
Claims (6)
1. A reinforced cold-formed steel pipe concrete column comprises a steel pipe column main body (1.2) and column concrete (1.3) poured in the steel pipe column main body (1.2); the method is characterized in that: the steel pipe column main body (1.2) is made of a cold-formed steel pipe, and a hole (5) is formed in the position, connected with a structural beam to be installed, of the steel pipe column main body (1.2); the inside of the steel pipe column main body (1.2) and the upper side and the lower side of the hole (5) are respectively provided with a horizontal stiffening plate (12), and a first vertical stiffening plate (14) is connected between the two horizontal stiffening plates (12); perforations (13) are arranged on the horizontal stiffening plates (12) or between the horizontal stiffening plates (12) and the steel pipe column main body (1.2); the shape of the horizontal stiffening plate (12) is adapted to the cross section shape of the steel pipe column main body (1.2), and the edge of the horizontal stiffening plate (12) is welded with the side wall of the steel pipe column main body (1.2); the perforations (13) are formed on the plate surface of the horizontal stiffening plate (12); the first vertical stiffening plate (14) is connected between the two horizontal stiffening plates (12) along the transverse axis direction of the steel pipe column main body (1.2); a vertical short plate (15) is also connected between the upper and lower connecting short plates (11) at the outer side of the first vertical stiffening plate (14);
one side of the steel pipe column main body (1.2) provided with the hole (5) is respectively provided with a horizontal connecting short plate (11) at the height position corresponding to the upper and lower horizontal stiffening plates (12); the horizontal stiffening plates (12) are arranged along the cross section transverse shafts of the steel pipe column main bodies (1.2) in a through length mode, and the two lateral edges of the horizontal stiffening plates (12) are respectively spaced from the steel pipe column main bodies (1.2); the end parts of the horizontal stiffening plates (12) extend out of the steel pipe column main body (1.2), and the extending parts form the connecting short plates (11); the clearance between the horizontal stiffening plate (12) and the steel pipe column main body (1.2) forms the perforation (13); the first vertical stiffening plates (14) are connected between transverse shafts of the two horizontal stiffening plates (12), and the end parts of the first vertical stiffening plates (14) extend out of the holes (5) on the side surfaces of the steel pipe column main bodies (1.2) and are flush with the end parts of the connecting short plates (11) on the corresponding sides;
a steel reinforcement cage (1.1) is arranged in the steel pipe column main body (1.2); at least one second vertical stiffening plate (6) is arranged on the concrete filled steel tube column (1); the second vertical stiffening plate (6) is connected between the vertical short plate (15) and the side edge of the hole (5) on the corresponding side, and is blocked at the position of the hole (5).
2. A structural system comprising the reinforced cold-formed steel core concrete column of claim 1, comprising structural beams, shear members, a floor slab (4) and a foundation (8); the method is characterized in that: the end part of the structural beam is correspondingly connected with a connecting short plate (11) on the steel pipe column main body (1.2); the top surface of the structural beam is correspondingly arranged with the top surface of the upper connecting short plate (11), and the bottom surface of the structural beam is correspondingly arranged with the bottom surface of the lower connecting short plate (11); the web plate of the structural beam is correspondingly connected with the first vertical stiffening plate (14) or the vertical short plate (15); the shearing resistant member is connected in a frame structure formed by enclosing the steel tube concrete column (1) and the structural beam through a connecting piece (7).
3. A structural system comprising a reinforced cold-formed steel core concrete column according to claim 2, wherein: the structural beam is a steel beam (2), a steel skeleton beam (10) or a prefabricated variable-rigidity hybrid composite beam (9), and the section of the structural beam is I-shaped; the web end of the structural beam is bolted and/or welded with the end of the first vertical stiffening plate (14) or the end of the vertical short plate (15) on the corresponding side;
the shearing resistant member is a steel plate shear wall plate or an out-of-plane constraint steel plate shear wall plate or a steel plate reinforced concrete shear wall plate (3) or a precast reinforced concrete shear wall plate or a steel support; the connecting piece (7) is a steel plate and/or a bolt connected to the inner side of a frame structure formed by enclosing the steel tube concrete column (1) and the structural beam;
the floor slab (4) is a prefabricated reinforced concrete floor slab or a reinforced truss concrete floor slab or a profiled steel sheet cast-in-situ reinforced concrete floor slab; wherein the floor slab concrete is common concrete or recycled concrete or high fly ash concrete;
the foundation (8) is a reinforced concrete independent foundation, a reinforced concrete raft foundation, a reinforced concrete beam foundation, a reinforced concrete box foundation, a reinforced concrete pile foundation or a reinforced concrete pile raft foundation;
the column concrete (1.3) in the steel tube concrete column (1) is common concrete or recycled concrete or high fly ash concrete.
4. A method of constructing a structural system containing reinforced cold-formed concrete-filled steel tubular columns as set forth in claim 3, comprising the steps of:
step one, constructing a reinforced concrete foundation (8);
step two, installing and fixing a steel pipe column main body (1.2) prefabricated in a factory; wherein, a hole (5) is arranged on the steel pipe column main body (1.2) at the position connected with the structural beam to be installed;
the factory prefabrication of the steel pipe column main body (1.2) comprises the following steps:
step 1, preparing raw materials: comprises the preparation of cold-formed steel pipes, steel plates and profile steel materials;
step 2, correcting the steel: straightening the steel plate and the section steel;
step 3, lofting: the method comprises the steps of lofting holes (5), horizontal stiffening plates (12), first vertical stiffening plates (14), connecting short plates (11) and second vertical stiffening plates (6) according to design requirements;
step 4, cutting: cutting holes (5) in the cold-formed steel pipe according to the lofting position in the step 3; simultaneously, cutting the steel plate to manufacture a horizontal stiffening plate (12), a first vertical stiffening plate (14) and a second vertical stiffening plate (6);
step 5, welding a horizontal stiffening plate (12), a first vertical stiffening plate (14) and a second vertical stiffening plate (6) on the cut cold-formed steel pipe;
step 6, correcting the welded steel pipe column main body (1.2) until the steel pipe column main body is processed;
thirdly, constructing a structural beam; connecting the end part of the structural beam with a steel pipe column main body (1.2) at the corresponding side;
pouring column concrete (1.3) in the steel pipe column main body (1.2);
step five, hoisting the floor slab (4);
step six, repeating the step two to the step five until the construction reaches the top layer; and finishing the construction.
5. The method for constructing a structural system containing a reinforced concrete filled steel tubular column according to claim 4, wherein: step 3 of the second step also comprises lofting the vertical short plate (15);
the step 4 also comprises the steps of cutting the connecting short plates (11) and the vertical short plates (15), the shape of the manufactured horizontal stiffening plate (12) is matched with the section shape of the steel pipe column main body (1.2), and the plate surface of the horizontal stiffening plate (12) is provided with a perforation (13);
the concrete method of the step 5 comprises the steps of welding the edges of the horizontal stiffening plates (12) with the side walls of the steel pipe column main body (1.2), connecting a first vertical stiffening plate (14) between the two horizontal stiffening plates (12) along the transverse axis direction of the steel pipe column main body (1.2), connecting a connecting short plate (11) at one side of a hole (5) formed in the steel pipe column main body (1.2) and at the height position corresponding to the upper and lower horizontal stiffening plates (12), connecting a vertical short plate (15) between the upper and lower connecting short plates (11), and correspondingly connecting the inner side edge of the vertical short plate (15) with the first vertical stiffening plate (14);
the concrete construction method of the construction structural beam comprises the following steps that the end part of the structural beam is correspondingly connected with a connecting short plate (11) and a vertical short plate (15) at the position intersected with a concrete filled steel tube column (1);
when the steel tube concrete column (1) is provided with the steel reinforcement cage (1.1), the steel reinforcement cage (1.1) is constructed between the third step and the fourth step, and the steel reinforcement cage (1.1) passes through a first perforation (13) formed in the middle of the horizontal stiffening plate (12).
6. The method for constructing a structural system containing a reinforced concrete filled steel tubular column according to claim 4, wherein: the horizontal stiffening plate (12) manufactured in the step (4) is in a strip shape;
the concrete method of the step 5 is that a horizontal stiffening plate (12) is arranged along the cross section transverse axis of the steel pipe column main body (1.2) in a through length mode, the transverse edges of two sides of the horizontal stiffening plate (12) and the steel pipe column main body (1.2) are respectively provided with a space, the end part of the horizontal stiffening plate (12) extends out of the steel pipe column main body (1.2), and the extending part forms the connecting short plate (11); the first vertical stiffening plates (14) are connected between the two horizontal stiffening plates (12) along the transverse axis direction of the steel pipe column main body (1.2), and the end parts of the first vertical stiffening plates (14) extend out of the holes (5) on the side surfaces of the steel pipe column main body (1.2) and are flush with the end parts of the connecting short plates (11) on the corresponding sides;
the concrete construction method of the construction structural beam comprises the following steps that the end part of the structural beam is correspondingly connected with a connecting short plate (11) and a first vertical stiffening plate (14) at the position intersected with a concrete filled steel tube column (1);
when the steel pipe concrete column (1) is provided with the steel reinforcement cage (1.1), the steel reinforcement cage (1.1) and the steel pipe column main body (1.2) are processed into a whole in a factory.
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355288A (en) * | 2000-06-15 | 2001-12-26 | Sumitomo Metal Ind Ltd | Steel pipe column with diaphragm |
| KR20110061841A (en) * | 2009-12-02 | 2011-06-10 | 서울시립대학교 산학협력단 | Joint structure for concrete filled tube column and h-shaped beam and construction method therefor |
| KR20110097161A (en) * | 2010-02-24 | 2011-08-31 | 서울시립대학교 산학협력단 | Column system of concrete filled steel tube |
| CN102936924A (en) * | 2012-11-08 | 2013-02-20 | 沈阳建筑大学 | Girder embedding ribbed through partition square concrete filled steel tube column-H-shaped girder combination nodes |
| CN102979161A (en) * | 2012-09-26 | 2013-03-20 | 浙江杭萧钢构股份有限公司 | Novel steel structure building system |
| CN202831233U (en) * | 2012-08-13 | 2013-03-27 | 黄智辉 | Connected node of protracting inner diaphragm steel girder and concrete-filled steel-tubular columns inscribed a pipe coat |
| CN203654473U (en) * | 2013-11-29 | 2014-06-18 | 湖北弘顺钢结构制造有限公司 | Connecting joint of rectangular concrete filled steel tubular column and steel reinforced concrete composite beam |
| CN103981953A (en) * | 2014-05-16 | 2014-08-13 | 中北大学 | Shear-resisting concrete filled steel tube beam column joint connecting structure |
| CN103993670A (en) * | 2014-05-21 | 2014-08-20 | 山东科技大学 | Rectangular concrete-filled steel tubular column-steel beam plug board anchoring type node construction method |
| CN104912206A (en) * | 2015-05-29 | 2015-09-16 | 重庆大学 | Special-shaped concrete filled steel tube column-I-shaped steal beam framework node |
| CN205088797U (en) * | 2015-10-28 | 2016-03-16 | 山东科技大学 | Empty intermediate layer steel core concrete column of half punching wherein and girder steel connected node imbed |
| CN105464221A (en) * | 2015-12-28 | 2016-04-06 | 天津大学 | Partition plate penetrating node for connecting rectangular steel tube concrete column with box-shaped steel beam |
| CN105672487A (en) * | 2016-01-07 | 2016-06-15 | 天津大学 | Outer diaphragm type square steel tube concrete column and H-shaped steel beam node construction method |
| CN105926764A (en) * | 2016-06-13 | 2016-09-07 | 姚攀峰 | Industrialized pre-processed regenerative structural system and method for constructing same |
| CN106223461A (en) * | 2016-08-30 | 2016-12-14 | 姚攀峰 | A kind of hybrid industrialized building structural system and construction method thereof |
| CN107152105A (en) * | 2017-05-04 | 2017-09-12 | 浙江绿筑集成科技有限公司 | H profile steel combined concrete shear wall with T-shaped stiffener and preparation method thereof |
| CN207739510U (en) * | 2017-12-05 | 2018-08-17 | 姚攀峰 | A kind of reinforced cold-bent pipe concrete column and structural system |
-
2017
- 2017-12-05 CN CN201711268067.3A patent/CN108222373B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355288A (en) * | 2000-06-15 | 2001-12-26 | Sumitomo Metal Ind Ltd | Steel pipe column with diaphragm |
| KR20110061841A (en) * | 2009-12-02 | 2011-06-10 | 서울시립대학교 산학협력단 | Joint structure for concrete filled tube column and h-shaped beam and construction method therefor |
| KR20110097161A (en) * | 2010-02-24 | 2011-08-31 | 서울시립대학교 산학협력단 | Column system of concrete filled steel tube |
| CN202831233U (en) * | 2012-08-13 | 2013-03-27 | 黄智辉 | Connected node of protracting inner diaphragm steel girder and concrete-filled steel-tubular columns inscribed a pipe coat |
| CN102979161A (en) * | 2012-09-26 | 2013-03-20 | 浙江杭萧钢构股份有限公司 | Novel steel structure building system |
| CN102936924A (en) * | 2012-11-08 | 2013-02-20 | 沈阳建筑大学 | Girder embedding ribbed through partition square concrete filled steel tube column-H-shaped girder combination nodes |
| CN203654473U (en) * | 2013-11-29 | 2014-06-18 | 湖北弘顺钢结构制造有限公司 | Connecting joint of rectangular concrete filled steel tubular column and steel reinforced concrete composite beam |
| CN103981953A (en) * | 2014-05-16 | 2014-08-13 | 中北大学 | Shear-resisting concrete filled steel tube beam column joint connecting structure |
| CN103993670A (en) * | 2014-05-21 | 2014-08-20 | 山东科技大学 | Rectangular concrete-filled steel tubular column-steel beam plug board anchoring type node construction method |
| CN104912206A (en) * | 2015-05-29 | 2015-09-16 | 重庆大学 | Special-shaped concrete filled steel tube column-I-shaped steal beam framework node |
| CN205088797U (en) * | 2015-10-28 | 2016-03-16 | 山东科技大学 | Empty intermediate layer steel core concrete column of half punching wherein and girder steel connected node imbed |
| CN105464221A (en) * | 2015-12-28 | 2016-04-06 | 天津大学 | Partition plate penetrating node for connecting rectangular steel tube concrete column with box-shaped steel beam |
| CN105672487A (en) * | 2016-01-07 | 2016-06-15 | 天津大学 | Outer diaphragm type square steel tube concrete column and H-shaped steel beam node construction method |
| CN105926764A (en) * | 2016-06-13 | 2016-09-07 | 姚攀峰 | Industrialized pre-processed regenerative structural system and method for constructing same |
| CN106223461A (en) * | 2016-08-30 | 2016-12-14 | 姚攀峰 | A kind of hybrid industrialized building structural system and construction method thereof |
| CN107152105A (en) * | 2017-05-04 | 2017-09-12 | 浙江绿筑集成科技有限公司 | H profile steel combined concrete shear wall with T-shaped stiffener and preparation method thereof |
| CN207739510U (en) * | 2017-12-05 | 2018-08-17 | 姚攀峰 | A kind of reinforced cold-bent pipe concrete column and structural system |
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|---|---|
| CN108222373A (en) | 2018-06-29 |
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