CN208668765U - Precast prestressed beam and assembled composite frame structure - Google Patents
Precast prestressed beam and assembled composite frame structure Download PDFInfo
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- CN208668765U CN208668765U CN201820176497.6U CN201820176497U CN208668765U CN 208668765 U CN208668765 U CN 208668765U CN 201820176497 U CN201820176497 U CN 201820176497U CN 208668765 U CN208668765 U CN 208668765U
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Abstract
The utility model discloses a kind of precast prestressed beam and assembled composite frame structure, it is cast-in-place concrete, laminated floor slab prefabricated panel and coincidence surface plate concrete in the precast column unit, precast prestressed beam, prefabricated post hollow steel pipe of hollow steel pipe that the assembled composite frame structure, which includes internal,；The hollow steel pipe middle section external wrapping concrete of precast column unit and both ends are the beam column node area with short H profile steel beam；Precast prestressed beam includes the interpolation H profile steel beam at concrete folding prestressed girder and prestressed girder both ends；The short H profile steel beam of beam column node area is connect with the interpolation H profile steel beam of precast prestressed beam using bolting and welding or bolt mode；The interface of the hollow steel pipe of upper and lower precast segment column component is using welded connecting.The assembled composite frame structure of the utility model combines steel construction and precast concrete advantage, and installation effectiveness is high, safety is good, and manpower and material resources are greatly saved.
Description
Technical field
The utility model relates to a kind of precast prestressed beam and assembled composite frame structures, belong to architectural engineering steel
Mixed composite frame structure technical field.
Background technique
Assembly concrete frame structure is applied in the public buildings such as school, hospital, office building, can also be in underground
Space structure and subway station etc. are applied.Environmental pollution can be reduced using assembly concrete frame structure, save labour
Power improves build guality.But the prefabricated post layering for assembling concrete frame structure is prefabricated, and Vertical bar connection is costly, big to cut
Face column carrys out measure cost increase to transport and hanging belt from great；Reinforcing bar positioning requirements height, live beam column are stretched out in precast beam both ends
Node installation heavy workload.Steel-frame structure mounting process is securely and reliably mature, but steel construction durability, fire resistance and sound insulation etc.
Service performance is unsatisfactory, and economy is poor compared to concrete frame structure.
Summary of the invention
Purpose of utility model: in view of the deficiencies of the prior art, the utility model is intended to provide a kind of precast prestressed beam structure
Part, the advantages of to retain prestressed girder component while reducing live bean column node installation workload.
The utility model also provides a kind of assembled composite frame structure comprising above-mentioned precast prestressed beam, with comprehensive
Close steel construction and precast concrete advantage.
Technical solution: precast prestressed beam provided by the utility model include concrete folding prestressed girder and its two
The interpolation H profile steel beam at end；The concrete folding prestressed girder includes steel reinforcement cage and concrete beam body；The steel reinforcement cage includes upper
Portion's Reinforcement, lower part Reinforcement, prestress wire and wrapping upper and lower part Reinforcement with
And the stirrup of prestress wire；Top Reinforcement and lower part Reinforcement are respectively welded to interpolation H profile steel beam
Top flange plate and bottom wing listrium；The floor of vertically putting more energy into of interpolation H profile steel beam is equipped with hole；It is pouring the end of prestress wire
The hole is passed through before infusing the concrete beam body and is extremely advised by prestressed stretch-draw anchor, and in the concrete beam body by maintenance
Determine to put through prestressing force after intensity and bending is in the height of the web of interpolation H profile steel beam.
Further, the bottom wing listrium of the interpolation H profile steel beam is in flat, and top flange plate is in bending-like, bending amount etc.
In the diameter of top Reinforcement；Top Reinforcement and lower part Reinforcement are respectively welded to the interpolation
The upper surface of the top flange plate bending part of H profile steel beam and the upper surface of bottom wing listrium.
Further, the web that the interpolation H profile steel beam is inserted into the beams of concrete body portion is equipped with circular opening.
Further, the lower part Reinforcement is located at two base angles of beam section, and the prestress wire is in
Multiple rows of distribution, most bottom row and the lower part Reinforcement height having the same, 30~60mm of remaining row interval are located at the
On one row.
Assembled composite frame structure provided by the utility model including above-mentioned precast prestressed beam further includes interior
Portion is the precast column unit of hollow steel pipe, cast-in-place concrete, laminated floor slab prefabricated panel and superposed surfaces in prefabricated post hollow steel pipe
Layer concrete；The hollow steel pipe middle section external wrapping concrete of the precast column unit and both ends are the beam column section with short H profile steel beam
Point area；The short H profile steel beam of the beam column node area and the interpolation H profile steel beam of the precast prestressed beam use bolting and welding
Or bolt mode connects；The interface of the hollow steel pipe of upper and lower precast segment column component is using welded connecting.
Further, the hollow steel pipe is seamless round tube, spiral welded pipe or Rectangular Welded Pipe.
Further, the hollow steel pipe outer wall 300~600mm of interval welds multiple rows of peg；The hollow steel pipe middle section
The concrete of outsourcing be fireproof normal concrete or lightweight concrete, and external wrapping concrete wrapping layer in configuration glass fiber net or
Steel wire.
Further, the top flange plate of the short H profile steel beam is directly welded on the tube wall of the hollow steel pipe, and hollow
Intermediate the interior of casting concrete circular hole that be equipped with of welding is put more energy at position corresponding with the top flange plate of short H profile steel beam on the inside of steel pipe
Plate；The bottom wing listrium of the short H profile steel beam passes through the hollow steel pipe of the precast column unit, in the part in hollow steel pipe
Between be equipped with casting concrete hole, positioned at hollow steel pipe periphery part be equipped with ring flat-plate.
Further, described folded after the precast column unit and the precast prestressed beam complete assembly connection
It closes floor prefabricated panel to be shelved on precast prestressed beam, and together with superposed surfaces described in the beam column node area integral cast-in-situ
Layer concrete.
The utility model has the advantages that the utility model is compared with prior art, advantage are as follows:
1, not casting concrete in steel pipe when precast column unit dispatches from the factory, section beam-column component can a story height be one
Section, medium and small Section Column member height can multiple story heights be a section, reduce the hauled weight and hoisting and hanging of prefabricated components
Weight effectively saves the lease expenses of hoister in large tonnage tool and reduces the sub- connecting welding amount of segmented column up and down, reduces peace
Fill difficulty.
2, precast column unit hollow steel pipe periphery directly meets the concrete of fire protection requirement thickness in factory's outsourcing, avoids
The column outer surface of steel tube coating rich zinc anti-rust paint priming paint of existing assembly steel house simultaneously adds coating fireproof coating and outermost
Many and diverse way of layer plus packet fire-proof plate, saves measure cost, and can obtain appearance identical with concrete frame trestle,
And the concrete wrapping layer is not involved in structure stress calculating, facilitates the design of assembly composite frame structure.In addition, saving up and down
Column steel pipe connecting column using being welded to connect, ensure that quality of connection during installation.Multiple rows of peg is welded in hollow steel tubing string periphery can
The adhesive bond power for increasing package layer concrete and steel pipe, prevents unsticking.
3, precast prestressed beam, which uses prestressing technique, can effectively reduce the sectional dimension of beam, mitigate structure certainly
Weight, and steel can be saved.Because the pretensioned prestressed concrete girder at intermediate position can carry out height on the long-line pedestal in factory
Imitate prefabricated, nonprestressed reinforcement is less in section, and binding installation effectiveness is high.The H fashioned iron at both ends can be by the prefabricated of different size
Beam requires to carry out batch making, is placed into the production line punching block of precast beam after being welded to connect with the steel reinforcement cage at middle part, production effect
Rate is higher than general precast reinforced concrete beam.Prefabricated beam-ends prestress wire is bent in H profile steel beam after putting a cutting, from
And the lapping and anchoring length with H profile steel beam for being not less than 500mm is formed, secondary anchorage effect is played, ensure that middle part prestressing force
The co-operation of beam and end interpolation H fashioned iron, increases the bearing capacity of precast prestressed beam.
4, the connection of precast column unit and the precast prestressed beam of interpolation H profile steel is used connects with steel frame beam column joint
Identical mode is connect, construction site can be installed without bracket, and the connection of flange plate and web between beam column H profile steel is connected using bolt weldering
It connects or bolt connecting mode connects, greatly improve construction and installation efficiency and safety, and construction worker is greatly decreased.
5, it is provided with big hole on the web of precast prestressed beam both ends interpolation H profile steel beam, can both increased mixed with beam body
Mechanical snap power between solidifying soil, and the buffering of the stiffness variation between interpolation girder steel and beams of concrete can be formed excessively, be conducive to
Beam hinge is formed to destroy.
6, tie hoop can be used in stirrup in precast prestressed beam, convenient for being given birth on a large scale using continuous hoop bender mechanization
It produces, effectively reduces human cost.
7, the hollow steel pipe in precast column unit uses the preferable spiral welded pipe of economic performance and Rectangular Welded Pipe, can pour in column
High-strength and high performance concrete is built, reduces column cross-section size, dead load and foundation cost is effectively reduced.
Detailed description of the invention
Fig. 1 is the assembled group frame schematic diagram of the utility model；
Fig. 2 (a) and Fig. 2 (b) is that the precast column unit using seamless round tube or spiral welded pipe of the utility model shows
It is intended to, wherein Fig. 2 (b) removes the precast concrete outside precast column unit relative to Fig. 2 (a)；
Fig. 2 (c) and Fig. 2 (d) is the precast column unit schematic diagram using Rectangular Welded Pipe of the utility model, wherein Fig. 2
(d) precast concrete outside precast column unit is removed relative to Fig. 2 (c)；
Fig. 3 (a) and Fig. 3 (b) is the organigram of the precast prestressed beam of the utility model, and wherein Fig. 3 (a) is opposite
The precast concrete of precast prestressed beam member exterior is removed in Fig. 3 (b).
Specific embodiment
Such as Fig. 1, the assembled composite frame structure of the utility model include the precast column unit 1 with beam column node area 3,
Precast prestressed beam 2 and laminated floor slab prefabricated panel 19.The inside of precast column unit 1 is hollow steel pipe 4.The assembled group
Closing frame structure further includes cast-in-place concrete and coincidence surface plate concrete in prefabricated post hollow steel pipe 4.Wherein, prefabricated post hollow steel
Cast-in-place concrete is poured after precast column unit 1 is transported to construction site in pipe 4；Coincidence surface plate concrete is to complete
The assembling of precast column unit 1 and precast prestressed beam 2, and laminated floor slab prefabricated panel 19 is shelved on described prefabricated pre-
It is poured after on stress beam 2 together with beam column node area 3.
Such as Fig. 2 (a) to 2 (d), the 4 middle section external wrapping concrete of hollow steel pipe of precast column unit 1 and both ends are with short H-type
The beam column node area 3 of girder steel 5.Precast prestressed beam 2 includes the interpolation H profile steel of concrete folding prestressed girder and its both ends
Beam 6.The short H profile steel beam 5 of beam column node area 3 and the interpolation H profile steel beam 6 of precast prestressed beam 2 use bolting and welding or spiral shell
Bolt mode connects.The interface of the hollow steel pipe 4 of upper and lower precast segment column component 1 is using welded connecting.In precast column unit 1
Hollow steel pipe use the preferable spiral welded pipe of economic performance and Rectangular Welded Pipe.It is poured in hollow steel pipe at the construction field (site) high-strength
And high performance concrete, it can reduce column cross-section size, self weight and the foundation cost of rod structure be effectively reduced.
As 300~600mm of outer wall interval of Fig. 2 (b) and 2 (d), the hollow steel pipe 4 of precast column unit 1 weld multiple rows of bolt
Nail 7, the concrete of 4 middle section outsourcing of hollow steel pipe are fireproof normal concrete or lightweight concrete, and the packet of external wrapping concrete
Configuration glass fiber net or steel wire 8 in covering layer.In addition, the top flange of the short H profile steel beam 5 in the beam column node area 3 of precast column unit 1
Plate 9 is directly welded on the tube wall of the hollow steel pipe, and 4 inside of hollow steel pipe is corresponding with the top flange plate 9 of short H profile steel beam 5
Position at the intermediate interior stiffener for being equipped with casting concrete circular hole of welding.The bottom wing listrium 10 of short H profile steel beam 5 passes through prefabricated post
The hollow steel pipe 4 of component 1, the part centre in hollow steel pipe 4 are equipped with the hole of casting concrete, are located at outside hollow steel pipe 4
The part in week is equipped with ring flat-plate.
Such as Fig. 3 (a) and 3 (b), the middle section of precast prestressed beam 2 is the coagulation for including steel reinforcement cage and concrete beam body
The laminated prestressed beam of soil, both ends are interpolation H profile steel 6.Steel reinforcement cage includes top Reinforcement 11, lower part longitudinal stress steel
Muscle 12, prestress wire 13 and wrapping top Reinforcement 11, lower part are around Reinforcement 12 and prestressing force
The stirrup 14 of steel strand wires 13.It is formed in order to facilitate the binding of steel reinforcement cage, lower part Reinforcement 12 is preferably located in beam section
Two base angles at.Stirrup in Fig. 3 (a) and 3 (b) is that parallel interval is distributed stirrup, and in other embodiments, which may be used also
To be replaced by continuous helical stirrup.Top Reinforcement 11 is soldered to the top flange plate 15 of interpolation H profile steel beam 6, and lower part is vertical
The bottom wing listrium 16 of interpolation H profile steel beam 6 is soldered to steel bar stress 11.It preferably, can be by the lower flange of interpolation H profile steel beam 6
Plate 16 is designed as flat, and top flange plate 15 is designed as bending-like, and bending amount is equal to the diameter of top Reinforcement 11, and
Top Reinforcement 11 and lower part Reinforcement 12 are respectively welded to the top flange plate of the interpolation H profile steel beam 6
The upper surface of 15 bending parts and the upper surface of bottom wing listrium 16.In this way, can guarantee that interpolation H profile steel 6 and top are vertical
There are enough protective layer thickness to the reinforcing bar upper surface of steel bar stress overlapping part, while guaranteeing welding efficiency when construction.It is interior
The web (18) for inserting H profile steel beam (6) insertion beams of concrete body portion is equipped with circular opening, can both increase and beam body coagulation
Mechanical snap power between soil, and the buffering of the stiffness variation between interpolation girder steel and beams of concrete can be formed excessively, be conducive to shape
It is destroyed at beam hinge.
Although prestress wire 13 can be in multiple rows of distribution, most bottom row in addition, not showing in Fig. 3 (a) and 3 (b)
With the height having the same of lower part Reinforcement 12,30~60mm of remaining row interval is located on first row.Meanwhile interpolation
The floor 17 of vertically putting more energy into of H profile steel beam 6 is equipped with hole, and the end of each prestress steel twist 13 is in the coagulation for being poured laminated prestressed beam
The hole is passed through before native beam body and is answered in advance by prestressed stretch-draw anchor, and after the concrete beam body is conserved to prescribed strength
Power, which is put, opens simultaneously bending in the height of the web 18 of interpolation H profile steel beam 6, forms the overlap joint anchor with H profile steel beam for being not less than 500mm
Gu length.In this way, the prestress wire of precast prestressed beam-ends can form secondary anchoring after putting a bending, increase
The bearing capacity of precast beam, while the interpolation H profile steel of beam-ends is also to greatly improve the efficiency and safety of site operation installation
Property, save manpower and material resources.
Manufacturing process of the precast column unit 1 in precast concrete factory are as follows: use spiral welded pipe or Rectangular Welded Pipe
As the hollow steel pipe 4 in precast column unit 1, to reinforce the cohesive force that layer concrete and hollow steel pipe are wrapped up in periphery, hollow steel
Outer 300~600mm of weekly interval of pipe 4 welds multiple rows of peg 7；4 periphery coagulation of hollow steel pipe is used as using glass fiber net or steel wire 8
Anti-cracking net in native wrapping layer；Glass fiber net or steel wire 8 are assembled into spacer that is U-shaped, and placing guarantee position, steel pipe column
U-shaped prefab-form is integrally hung in after intercept, installs the glass fiber net or steel wire 8 of surface concrete protective layer, and pours coagulation
Soil, using common maintenance or steam curing, demoulding is transported to component storage place after design strength index to be achieved.
Manufacturing process of the precast prestressed beam 2 in precast concrete factory are as follows: when processing, first complete interpolation
The production of H profile steel beam 6 carries out bending to its top flange plate 15, and bending amount is equal to steel reinforcement cage in concrete folding prestressed girder
Bottom wing listrium 16 is designed as straight panel, and opens up bolt by design code on web 18 by the diameter of top Reinforcement
Connecting hole；Wherein, the anchoring that the length that interpolation H profile steel beam 6 is embedded in precast prestressed beam 2 need to meet design requirement is long
Degree；Then, the top Reinforcement 11 in steel reinforcement cage is welded to the top flange plate 15 for being anchored to interpolation H profile steel beam 6, by steel
Lower part Reinforcement 12 in muscle cage welds the bottom wing listrium 16 for being anchored to interpolation H profile steel beam 6；Complete steel reinforcement cage and interpolation
Assembled component is put on long-line pedestal in precast beam punching block after the assembling of H section steel beam 6；Then, in assembled component
Bottom penetrates prestress wire 13 and tensioning, and casting concrete beam body and carrying out after reaching design strength is put, cuts off beam
Exposed prestress wire 13 and bending process are held, precast prestressed beam 2 completes prefabricated rear stack and waits outward transport.Wherein,
To consider to increase in length control when fabrication of reinforcing cage and concrete folding prestressed girder is made because putting tension prestress steel strand wires 13
At decrement Δ.
The process of assembled group frame of the site operation installation comprising multiple floors is as follows:
S1 after) understructure is installed, hoisting machinery is used to sling inside uprightly as the precast column unit of hollow steel pipe 4
It 1 and installs to defined axial location；It carries out the temporary connection plate at upper and lower Column border node segment interface to be bolted fixation, if
Set guy or positioning tool-type diagonal brace；The welding of upper and lower prefabricated post interface is carried out after the verticality correction of progress precast column unit 1
Connection.
S2 cast-in-place concrete in prefabricated post steel pipe) is poured in the hollow steel pipe 4 for completing to be welded to connect.
S3 precast prestressed beam 2) is installed using no bracket installation method: being set first in the side of precast column unit 1
Mounting operation platform is set, under the cooperation of hoisting machinery, by this layer of precast prestressed lifting of beam 2 to given axis position
Afterwards, by the bolt connecting hole and precast column unit 1 on the web 18 of the interpolation H profile steel beam 6 at precast prestressed 2 both ends of beam
Beam column node area 3 short H profile steel beam 5 web 20 on link bolt hole aligned, junction steel plate is installed, and using facing
When installation bolt fix, be installed web connection bolt；Then it, then to short H profile steel beam 5 and interpolation H profile steel beam 6 carries out up and down
The welded connecting of flange plate is bolted, and completes the node installation of precast column unit 1 and precast prestressed beam 2.
S4 the laminated floor slab prefabricated panel 19 being shelved on precast prestressed beam 2) is lifted, and is bound in flooring overlapping layers
Plate face reinforcing bar and the spool etc. for installing overlapping layers bind the distributing bar at bean column node, pour together with beam column node area 3
It builds this stacking and closes facing concrete, complete this layer of construction.
Claims (9)
1. a kind of precast prestressed beam, which is characterized in that the interpolation H-type including concrete folding prestressed girder He its both ends
Girder steel (6)；The concrete folding prestressed girder includes steel reinforcement cage and concrete beam body；The steel reinforcement cage include top it is longitudinal by
Power reinforcing bar (11), lower part Reinforcement (12), prestress wire (13) and wrapping upper and lower part longitudinal stress steel
The stirrup (14) of muscle and prestress wire (13)；Top Reinforcement (11) and lower part Reinforcement (12) point
It is not soldered to the top flange plate (15) and bottom wing listrium (16) of interpolation H profile steel beam (6)；The vertical ribbed stiffener of interpolation H profile steel beam (6)
Plate (17) is equipped with hole；The end of prestress wire (13) passes through the hole and pre- before being poured the concrete beam body
Stress tension anchoring, and put after the concrete beam body is conserved to prescribed strength through prestressing force and open simultaneously bending in interpolation H-type
In the height of the web (18) of girder steel (6).
2. precast prestressed beam (2) according to claim 1, which is characterized in that the interpolation H profile steel beam (6)
Bottom wing listrium (16) is in flat, and top flange plate (15) is in bending-like, and bending amount is equal to the straight of top Reinforcement (11)
Diameter；Top Reinforcement (11) and lower part Reinforcement (12) are respectively welded to the upper of the interpolation H profile steel beam (6)
The upper surface of flange plate (15) bending part and the upper surface of bottom wing listrium (16).
3. precast prestressed beam (2) according to claim 1, which is characterized in that the interpolation H profile steel beam (6) is inserted
The web (18) for entering the beams of concrete body portion is equipped with circular opening.
4. precast prestressed beam (2) according to claim 1, which is characterized in that the lower part Reinforcement
(12) at two base angles of beam section, the prestress wire (13) is in multiple rows of distribution, and most bottom row and the lower part are longitudinal
Steel bar stress (12) height having the same, 30~60mm of remaining row interval are located on first row.
5. a kind of assembled group frame knot including precast prestressed beam described according to claim 1 any one of -4
Structure, which is characterized in that cast-in-place concrete in the precast column unit (1) of to further include internal be hollow steel pipe, prefabricated post hollow steel pipe,
Laminated floor slab prefabricated panel (19) and coincidence surface plate concrete；Hollow steel pipe (4) the middle section outsourcing of the precast column unit (1) is mixed
Solidifying soil and both ends are the beam column node area (3) with short H profile steel beam (5)；The short H profile steel beam (5) of the beam column node area (3) with
The interpolation H profile steel beam (6) of the precast prestressed beam (2) is connected using bolting and welding or bolt mode；Upper and lower segment is pre-
The interface of the hollow steel pipe (4) of column component (1) processed is using welded connecting.
6. assembled composite frame structure according to claim 5, which is characterized in that the hollow steel pipe (4) is seamless
Round tube, spiral welded pipe or Rectangular Welded Pipe.
7. assembled composite frame structure according to claim 5, which is characterized in that between hollow steel pipe (4) outer wall
Multiple rows of peg (7) is welded every 300~600mm；The concrete of hollow steel pipe (4) the middle section outsourcing is fireproof normal concrete
Or lightweight concrete, and configuration glass fiber net or steel wire (8) in the wrapping layer of external wrapping concrete.
8. assembled composite frame structure according to claim 5, which is characterized in that the upper limb of the short H profile steel beam (5)
Listrium (9) is directly welded on the tube wall of the hollow steel pipe, and on the inside of hollow steel pipe (4) and the top flange of short H profile steel beam (5)
The intermediate interior stiffener for being equipped with casting concrete circular hole is welded at the corresponding position of plate (9)；The bottom wing of the short H profile steel beam (5)
Listrium (10) passes through the hollow steel pipe (4) of the precast column unit (1), is located to be equipped among the part in hollow steel pipe (4) and pour
The hole of concrete is infused, the part for being located at hollow steel pipe (4) periphery is equipped with ring flat-plate.
9. assembled composite frame structure according to claim 5, which is characterized in that the precast column unit (1) with
After the precast prestressed beam (2) completes assembly connection, the laminated floor slab prefabricated panel (19) is shelved on prefabricated pre- answer
On power beam (2), and together with coincidence surface plate concrete described in the beam column node area (3) integral cast-in-situ.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820176497.6U CN208668765U (en) | 2018-02-01 | 2018-02-01 | Precast prestressed beam and assembled composite frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820176497.6U CN208668765U (en) | 2018-02-01 | 2018-02-01 | Precast prestressed beam and assembled composite frame structure |
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| CN208668765U true CN208668765U (en) | 2019-03-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457422A (en) * | 2018-02-01 | 2018-08-28 | 东南大学 | Precast prestressed beam, assembled composite frame structure and its installation method |
| CN113529943A (en) * | 2021-07-21 | 2021-10-22 | 上海建工一建集团有限公司 | Concrete support and lattice column connecting device and method convenient to dismantle |
| CN113585456A (en) * | 2021-08-26 | 2021-11-02 | 中国建筑科学研究院有限公司 | Precast concrete beam column connection node structure and construction method |
| CN114000596A (en) * | 2021-11-03 | 2022-02-01 | 江苏城归设计有限公司 | Concrete beam end and curved surface shear wall construction joint processing device and method |
| CN115045440A (en) * | 2022-06-21 | 2022-09-13 | 苏州思萃融合基建技术研究所有限公司 | Prefabricated column component with steel pipe joints at two ends and construction method thereof |
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2018
- 2018-02-01 CN CN201820176497.6U patent/CN208668765U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457422A (en) * | 2018-02-01 | 2018-08-28 | 东南大学 | Precast prestressed beam, assembled composite frame structure and its installation method |
| CN113529943A (en) * | 2021-07-21 | 2021-10-22 | 上海建工一建集团有限公司 | Concrete support and lattice column connecting device and method convenient to dismantle |
| CN113585456A (en) * | 2021-08-26 | 2021-11-02 | 中国建筑科学研究院有限公司 | Precast concrete beam column connection node structure and construction method |
| CN114000596A (en) * | 2021-11-03 | 2022-02-01 | 江苏城归设计有限公司 | Concrete beam end and curved surface shear wall construction joint processing device and method |
| CN114000596B (en) * | 2021-11-03 | 2022-12-20 | 江苏城归设计有限公司 | Concrete beam end and curved surface shear wall construction joint processing device and method |
| CN115045440A (en) * | 2022-06-21 | 2022-09-13 | 苏州思萃融合基建技术研究所有限公司 | Prefabricated column component with steel pipe joints at two ends and construction method thereof |
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Effective date of registration: 20190815 Address after: 211189 Jiangsu Road, Jiangning District, Southeast University, No. 2, No. Co-patentee after: ZHONGYIFENG CONSTRUCTION GROUP CO., LTD. Patentee after: Southeast University Co-patentee after: Suzhou Chengyi Green Construction Technology Co., Ltd. Address before: 211189 Jiangsu Road, Jiangning District, Southeast University, No. 2, No. Patentee before: Southeast University |
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