CN104532952A - Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof - Google Patents

Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof Download PDF

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Publication number
CN104532952A
CN104532952A CN201410796762.7A CN201410796762A CN104532952A CN 104532952 A CN104532952 A CN 104532952A CN 201410796762 A CN201410796762 A CN 201410796762A CN 104532952 A CN104532952 A CN 104532952A
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China
Prior art keywords
concrete prefabricated
reinforced concrete
column
reinforced
angle cleat
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CN201410796762.7A
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Chinese (zh)
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武江传
张继文
尹万云
金仁才
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Southeast University
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Southeast University
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Priority to CN201410796762.7A priority Critical patent/CN104532952A/en
Publication of CN104532952A publication Critical patent/CN104532952A/en
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Abstract

The invention discloses a short angle iron connection type reinforced concrete assembling integrated frame and a construction method of the short angle iron connection type reinforced concrete assembling integrated frame. The integrated frame comprises reinforced-concrete-prefabricated columns with short beam segments and reinforced-concrete-prefabricated beams. The two ends of the reinforced-concrete-prefabricated beams, the two ends of the reinforced-concrete-prefabricated columns and the ends of the short beam segments of reinforced-concrete-prefabricated columns are provided with short angle iron for connection. The upper faces of two branches of the short angle iron are provided with reserved bolt holes. The reinforced-concrete-prefabricated columns on the upper floor and the lower floor are connected through the short angle iron for connection by means of the high-strength friction type bolts. The reinforced-concrete-prefabricated beams are connected with the reinforced-concrete-prefabricated columns through the short angle iron at the ends of the reinforced-concrete-prefabricated beams and the short angle iron for connection at ends of the short beams of the reinforced-concrete-prefabricated columns by means of the high-strength friction type bolts. Fiber reinforced cement-based composite material is poured in the beam column connection region, and the assembling integrated frame structure is formed. The short angle iron connection type reinforced concrete assembling integrated frame and the construction method have the advantages of being clear and reliable in internal force transmission, simple and reasonable in stress, convenient, fast and efficient in construction method, good in whole performance, good in anti-seismic property and the like.

Description

The steel concrete prefabricated integral frame that angle cleat connects and construction method thereof
Technical field:
The present invention relates to steel concrete prefabricated integral frame and the construction method thereof of the connection of a kind of angle cleat, belong to construction work concrete frame structure technology and construction field.
Technical background:
Reinforced concrete prefabricated prefabricated integral frame structure is the important directions of future architecture industrialization development; there is economic cycle short; prefabricated units quality is high; situ wet operation is few; environment pollution is little; accelerating construction progress, reduces labor strength, and is conducive to the advantages such as energy-saving and cost-reducing protection of the environment.This structural system is widely applied in developed country, and has become the principal mode of some national new buildings.Link technique is the key problem that reinforced concrete prefabricated assembled integral mixes frame construction, also be the weak link of assembling frame structure, only have between each prefabricated units and have reliable connection, there is good overall performance and good ductility, guarantee structure is both safe and reliable, has and has good anti-seismic performance.
China's existing steel concrete prefabricated integral frame node connection reliability is poor, be difficult to meet the requirement of structure cracking resistance and globality, anti-seismic performance aspect, this just needs to develop the new node being convenient to globality connection, to accelerate the process that China's industrialization of construction industry is produced.Novel steel concrete prefabricated integral frame link technique needs reliable quality of connection to realize the internal force transmitting regulation by designing requirement, and ensures the requirement of overall structure safety, globality, shock resistance; Then simplify connecting structure and construction technology as far as possible, reduce the uncertain impact on structural performance in construction, to improve the efficiency of construction that node connects.
Summary of the invention:
Technical problem: the steel concrete prefabricated integral frame and the construction method thereof that the invention provides the connection of a kind of angle cleat, make to be connected between reinforced concrete prefabricated column with prefabricated post, between reinforced concrete prefabricated column with precast beam simple and reliable, constructing operation is convenient, accelerate construction speed, greatly improve production efficiency, beam-to-column joint district has good ductility and overall performance simultaneously, changes prefabricated integral frame and has good overall performance and anti-seismic performance.
Technology contents: for solving the problems of the technologies described above, the invention provides the steel concrete prefabricated integral frame that a kind of angle cleat connects, this framework comprises reinforced concrete prefabricated beam, the reinforced concrete prefabricated column of subsidiary short beam section,
Two ends of reinforced concrete prefabricated beam are connected with the first angle cleat of two points of limbs respectively, and the first angle cleat two points of limb girdles have the first prepared screw-bolt hole;
Upper and lower two ends of reinforced concrete prefabricated column are respectively with to connect with and with the second angle cleat of two points of limbs, the second angle cleat two points limb girdle has the second prepared screw-bolt hole;
The subsidiary short beam length of tape of reinforced concrete prefabricated column has and to connect with and with the 3rd angle cleat of two points of limbs, the 3rd angle cleat two points limb is respectively with the 3rd bolt hole, friction-type bolt, fiber reinforced cement-based composite material;
The reinforced concrete prefabricated column of upper and lower floor is connected through the second prepared screw-bolt hole by the second angle cleat friction-type bolt;
Connection between reinforced concrete prefabricated beam and reinforced concrete prefabricated column is connected with the 3rd prepared screw-bolt hole through the first prepared screw-bolt hole with the 3rd angle cleat friction-type bolt of the subsidiary short beam section end of reinforced concrete prefabricated column by the first angle cleat of reinforced concrete prefabricated beam end, then built fiber reinforced cement-based composite material at reinforced concrete prefabricated beam and reinforced concrete prefabricated column bonding pad, made structure become prefabricated integral frame.
Present invention also offers the construction method of the steel concrete prefabricated integral frame that a kind of angle cleat connects, the method comprises the steps:
Step 1: the global analysis carrying out steel concrete prefabricated integral frame structure, determines the sectional dimension of reinforced concrete prefabricated column, precast beam, steel strength grade and amount of reinforcement etc.; Determine the segmentation situation of reinforced concrete prefabricated column, reinforced concrete prefabricated beam: the waypoint of reinforced concrete prefabricated column is arranged in the middle part of floor, choose the moment of flexure inflection point place of upper and lower floor as segmentation foundation, and subsidiary prefabricated short beam section, the waypoint of reinforced concrete prefabricated beam is arranged on the end of beam, distance is prefabricated post limit 1 ~ 2h, h is reinforced concrete prefabricated depth of beam, and the moment of flexure inflection point at foundation precast beam two ends is as segmentation foundation; After reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation complete, the beam column shear Design according to reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation place requires the concrete size determining angle cleat;
Step 2: make reinforced concrete prefabricated column and reinforced concrete prefabricated beam; Reinforced concrete prefabricated column and reinforced concrete prefabricated beam is made by designing requirement above, wherein reinforced concrete prefabricated column is with short beam section, reinforced concrete prefabricated column two ends and the subsidiary short beam section end of prefabricated post, with angle cleat, connect angle cleat prepared screw-bolt hole and facilitate high strength exploitation;
Step 3: the vertical connection of reinforced concrete prefabricated column; Prefabricated shell of column is transported to building-site, the reinforced concrete prefabricated column of bottom is first installed, then by upper reinforcement concrete prefabricated column hoisted in position, the angle cleat of upper and lower column end is connected with high strength friction-type bolt, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete post, makes post become as a whole;
Step 4: the connection of reinforced concrete prefabricated beam and reinforced concrete prefabricated column; After reinforced concrete prefabricated column installation, by horizontal for reinforced concrete prefabricated beam hoisted in position, same level absolute altitude place is positioned at the subsidiary short beam section of reinforced concrete prefabricated column, with the angle cleat of the concrete prefabricated beam end of high strength friction-type bolt connecting reinforcement and the angle cleat of the subsidiary short beam section of prefabricated post, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete prefabricated beam, make beam column become as a whole, complete the making of steel concrete prefabricated integral frame.
Beneficial effect: compared with prior art, tool of the present invention has the following advantages:
(1) reinforced concrete prefabricated column is with short beam section, and bean column node is integral prefabricated, and node has good overall performance and anti-seismic performance;
(2) reinforced concrete prefabricated column is connected by both ends connection angle cleat high strength friction-type bolt, and connected mode is simple, and post overall performance is high, and constructing operation is convenient;
(3) the embedding short connecting angle of reinforced concrete prefabricated beam end, can be connected by the short connecting angle of high strength friction-type bolt with prefabricated post short beam section end after precast beam lifting puts in place, scaffold temporary support precast beam need not be used again, save correlative charges, node end rigidity can be strengthened on the other hand, make areas of plasticity hinge leave node area, improve node connectivity energy;
(4) beam-to-column joint district adopts fiber reinforced cement-based composite material to build, both bonding pad crack developing form had been improved, avoid the cracking of New-old concrete joint surface, the energy dissipation ability of bonding pad can be improved again greatly, make this invention steel concrete assembled integral become the ductile frame of good seismic performance.
Accompanying drawing illustrates:
Fig. 1 is the steel concrete prefabricated integral frame that angle cleat connects;
Fig. 2 is connection angle cleat;
Fig. 3 is the reinforced concrete prefabricated beam of band angle cleat;
Fig. 4 is the reinforced concrete prefabricated column of band short beam section.
The reinforced concrete prefabricated beam of 1-
The subsidiary short beam section of 2-
3-reinforced concrete prefabricated column
The reinforced concrete prefabricated beam both ends of 4-connect uses the first angle cleat
5-reinforced concrete prefabricated beam both ends connection angle cleat two points of limb first prepared screw-bolt holes
The upper and lower both ends of 6-reinforced concrete prefabricated column connect uses the second angle cleat
7-reinforced concrete prefabricated column upper and lower both ends connection angle cleat two points of limb second prepared screw-bolt holes
The subsidiary short beam section of 8-reinforced concrete prefabricated column connects with the 3rd angle cleat
The subsidiary short beam section of 9-reinforced concrete prefabricated column connects with angle cleat two points of limbs the 3rd prepared screw-bolt hole
10-friction-type bolt
11-fiber reinforced cement-based composite material
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention will be further described.
As Figure 1-4, the steel concrete prefabricated integral frame that angle cleat provided by the invention connects, this framework comprises reinforced concrete prefabricated beam 1, the reinforced concrete prefabricated column 3 of subsidiary short beam section 2,
The first angle cleat 4, first angle cleat 4 two points of limb girdles that two ends of reinforced concrete prefabricated beam 1 are connected with two points of limbs respectively have the first prepared screw-bolt hole 5,
Reinforced concrete prefabricated column about 3 two ends the second angle cleat 6, second angle cleat 6 two points of limb girdles respectively with connection use and with two points of limbs have the second prepared screw-bolt hole 7,
The subsidiary short beam section 2 of reinforced concrete prefabricated column 3 with connect with and with the 3rd angle cleat the 8, three angle cleat 8 two points of limbs of two points of limbs respectively with the 3rd bolt hole 9, friction-type bolt 10, fiber reinforced cement-based composite material 11;
The reinforced concrete prefabricated column 3 of upper and lower floor is connected through the second prepared screw-bolt hole 7 by the second angle cleat 6 friction-type bolt 10;
Connection between reinforced concrete prefabricated beam 1 and reinforced concrete prefabricated column 3 is connected with the 3rd prepared screw-bolt hole 9 through the first prepared screw-bolt hole 5 with friction-type bolt 10 with 8 with the 3rd angle cleat of subsidiary short beam section 2 end of reinforced concrete prefabricated column 3 by the first angle cleat 4 of reinforced concrete prefabricated beam 1 end, then built fiber reinforced cement-based composite material 11 at reinforced concrete prefabricated beam 1 and reinforced concrete prefabricated column 3 bonding pad, made structure become prefabricated integral frame.
Determine the size of each connection angle cleat according to designing requirement, above connection angle cleat, bore prepared screw-bolt hole by designing requirement, the reinforced concrete prefabricated column 3 of subsidiary short beam section 2 is produced on the production pedestal of pre-fabricated factory, the connection at reinforced concrete prefabricated column 3 both ends will note placement location with angle cleat 8 with angle cleat 6 with subsidiary being connected of short beam section 2 end, half is in prefabricated units, and half is outside prefabricated units, on the production pedestal of pre-fabricated factory, produce reinforced concrete prefabricated beam 1, connection angle cleat 4 half at reinforced concrete prefabricated beam 1 both ends is placed on half in prefabricated units and is placed on outside prefabricated units, reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1 are transported to erecting bed, building site, first lower floor's reinforced concrete prefabricated column 3 is installed, then by reinforced concrete prefabricated column 3 hoisted in position on upper strata, the connection angle cleat 6 of levels reinforced concrete prefabricated column 3 end is connected with high strength friction-type bolt 10, then build fiber reinforced cement-based composite material 11 in post bonding pad, make each reinforced concrete prefabricated column 3 one-tenth as a whole, after reinforced concrete prefabricated column 3 installation, by the horizontal hoisted in position of reinforced concrete prefabricated beam 1, reinforced concrete prefabricated beam 1 and the subsidiary short beam section 2 of reinforced concrete prefabricated column 3 is made to be positioned at same level absolute altitude place, angle cleat is connected by the subsidiary short beam section 2 of high strength friction-type bolt 10 connecting reinforcement concrete prefabricated beam 1 end and reinforced concrete prefabricated column 3, then fiber reinforced cement-based composite material 11 is built in precast beam bonding pad, make reinforced concrete prefabricated beam 1 as a whole with reinforced concrete prefabricated column 3 one-tenth, complete the making of steel concrete prefabricated integral frame.
The construction method of the steel concrete prefabricated integral frame that a kind of angle cleat provided by the invention connects, the method comprises the steps:
Step 1: the global analysis carrying out steel concrete prefabricated integral frame structure, determines the sectional dimension of reinforced concrete prefabricated column, precast beam, steel strength grade and amount of reinforcement etc.; Determine the segmentation situation of reinforced concrete prefabricated column, reinforced concrete prefabricated beam: the waypoint of reinforced concrete prefabricated column is arranged in the middle part of floor, choose the moment of flexure inflection point place of upper and lower floor as segmentation foundation, and subsidiary prefabricated short beam section, the waypoint of reinforced concrete prefabricated beam is arranged on the end of beam, distance is prefabricated post limit 1 ~ 2h, h is reinforced concrete prefabricated depth of beam, and the moment of flexure inflection point at foundation precast beam two ends is as segmentation foundation; After reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation complete, the beam column shear Design according to reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation place requires the concrete size determining angle cleat;
Step 2: make reinforced concrete prefabricated column and reinforced concrete prefabricated beam; Reinforced concrete prefabricated column and reinforced concrete prefabricated beam is made by designing requirement above, wherein reinforced concrete prefabricated column is with short beam section, reinforced concrete prefabricated column two ends and the subsidiary short beam section end of prefabricated post, with angle cleat, connect angle cleat prepared screw-bolt hole and facilitate high strength exploitation;
Step 3: the vertical connection of reinforced concrete prefabricated column; Prefabricated shell of column is transported to building-site, the reinforced concrete prefabricated column of bottom is first installed, then by upper reinforcement concrete prefabricated column hoisted in position, the angle cleat of upper and lower column end is connected with high strength friction-type bolt, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete post, makes post become as a whole;
Step 4: the connection of reinforced concrete prefabricated beam and reinforced concrete prefabricated column; After reinforced concrete prefabricated column installation, by horizontal for reinforced concrete prefabricated beam hoisted in position, same level absolute altitude place is positioned at the subsidiary short beam section of reinforced concrete prefabricated column, with the angle cleat of the concrete prefabricated beam end of high strength friction-type bolt connecting reinforcement and the angle cleat of the subsidiary short beam section of prefabricated post, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete prefabricated beam, make beam column become as a whole, complete the making of steel concrete prefabricated integral frame.
A construction method for the steel concrete prefabricated integral frame that angle cleat connects, concrete steps are as follows:
(1) carry out the global analysis of steel concrete prefabricated integral frame structure, determine the sectional dimension of reinforced concrete prefabricated column 3, reinforced concrete prefabricated beam 1, steel strength grade and amount of reinforcement etc.; Determine the segmentation situation of reinforced concrete prefabricated column 3, reinforced concrete prefabricated beam 1: the waypoint of reinforced concrete prefabricated column 3 is arranged in the middle part of floor, choose the moment of flexure inflection point place of upper and lower floor as segmentation foundation, the subsidiary short beam section 2 of reinforced concrete prefabricated column 3, subsidiary short beam section 2 length is h, h is reinforced concrete prefabricated beam 1 height, the waypoint of reinforced concrete prefabricated beam 1 is arranged on the end of beam, general distance reinforced concrete prefabricated column 3 limit 1 ~ 2h, h are reinforced concrete prefabricated beam 1 height; After reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1 segmentation complete, the shear Design according to reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1 segmentation place requires the concrete size determining connection angle cleat;
(2) make connection angle cleat; Connection angle cleat is made according to designing requirement, and at connection angle cleat end prepared screw-bolt hole;
(3) make reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1; Produce pedestal by designing requirement above at pre-fabricated factory and make reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1 last year, wherein reinforced concrete prefabricated column 3 is with short beam section 2, reinforced concrete prefabricated column 3 both ends, subsidiary short beam section 2 end of reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1 both ends are with connection angle cleat, the part in strap bolt hole should be placed in outside prefabricated units by connection angle cleat, and remainder is placed in prefabricated units;
(4) the vertical connection of reinforced concrete prefabricated column 3; The reinforced concrete prefabricated column 3 completed is transported to erecting bed, building site, the reinforced concrete prefabricated column 3 of bottom is first installed, then by reinforced concrete prefabricated column 3 hoisted in position on top, the bolt hole of upper and lower prefabricated post end connection angle cleat is alignd, connect with high strength friction-type bolt 10, then build fiber reinforced cement-based composite material 11 in reinforced concrete prefabricated column 3 bonding pad, make each reinforced concrete prefabricated column 3 one-tenth as a whole;
(5) the level connection joint of reinforced concrete prefabricated beam 1 and reinforced concrete prefabricated column 3, after reinforced concrete prefabricated column 3 installation, by the horizontal hoisted in position of reinforced concrete prefabricated beam 1, reinforced concrete prefabricated beam 1 and the subsidiary short beam section 2 of reinforced concrete prefabricated column 3 is made to be positioned at same level absolute altitude place, angle cleat is connected by the subsidiary short beam section 2 of high strength friction-type bolt 10 connecting reinforcement concrete prefabricated beam 1 end and reinforced concrete prefabricated column 3, then fiber reinforced cement-based composite material 11 is built in precast beam bonding pad, make reinforced concrete prefabricated beam 1 as a whole with reinforced concrete prefabricated column 3 one-tenth, complete the making of steel concrete prefabricated integral frame.

Claims (2)

1. a steel concrete prefabricated integral frame for angle cleat connection, it is characterized in that, this framework comprises reinforced concrete prefabricated beam (1), the reinforced concrete prefabricated column (3) of subsidiary short beam section (2);
Two ends of reinforced concrete prefabricated beam (1) are connected with first angle cleat (4) of two points of limbs respectively, and the first angle cleat (4) two points of limb girdles have the first prepared screw-bolt hole (5);
Upper and lower two ends of reinforced concrete prefabricated column (3) are respectively with to connect with and with second angle cleat (6) of two points of limbs, the second angle cleat (6) two points limb girdle has the second prepared screw-bolt hole (7);
The subsidiary short beam section (2) of reinforced concrete prefabricated column (3) is with to connect with and with the 3rd angle cleat (8) of two points of limbs, the 3rd angle cleat (8) two points limb is respectively with the 3rd bolt hole (9), friction-type bolt (10), fiber reinforced cement-based composite material (11);
The reinforced concrete prefabricated column (3) of upper and lower floor is connected through the second prepared screw-bolt hole (7) by the second angle cleat (6) friction-type bolt (10);
Connection between reinforced concrete prefabricated beam (1) and reinforced concrete prefabricated column (3) is connected with the 3rd prepared screw-bolt hole (9) through the first prepared screw-bolt hole (5) with friction-type bolt (10) with (8) with the 3rd angle cleat of subsidiary short beam section (2) end of reinforced concrete prefabricated column (3) by first angle cleat (4) of reinforced concrete prefabricated beam (1) end, then built fiber reinforced cement-based composite material (11) at reinforced concrete prefabricated beam (1) and reinforced concrete prefabricated column (3) bonding pad, made structure become prefabricated integral frame.
2. a construction method for the steel concrete prefabricated integral frame of angle cleat connection, it is characterized in that, the method comprises the steps:
Step 1: the global analysis carrying out steel concrete prefabricated integral frame structure, determines the sectional dimension of reinforced concrete prefabricated column, precast beam, steel strength grade and amount of reinforcement etc.; Determine the segmentation situation of reinforced concrete prefabricated column, reinforced concrete prefabricated beam: the waypoint of reinforced concrete prefabricated column is arranged in the middle part of floor, choose the moment of flexure inflection point place of upper and lower floor as segmentation foundation, and subsidiary prefabricated short beam section, the waypoint of reinforced concrete prefabricated beam is arranged on the end of beam, distance is prefabricated post limit 1 ~ 2h, h is reinforced concrete prefabricated depth of beam, and the moment of flexure inflection point at foundation precast beam two ends is as segmentation foundation; After reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation complete, the beam column shear Design according to reinforced concrete prefabricated beam and reinforced concrete prefabricated column segmentation place requires the concrete size determining angle cleat;
Step 2: make reinforced concrete prefabricated column and reinforced concrete prefabricated beam; Reinforced concrete prefabricated column and reinforced concrete prefabricated beam is made by designing requirement above, wherein reinforced concrete prefabricated column is with short beam section, reinforced concrete prefabricated column two ends and the subsidiary short beam section end of prefabricated post, with angle cleat, connect angle cleat prepared screw-bolt hole and facilitate high strength exploitation;
Step 3: the vertical connection of reinforced concrete prefabricated column; Prefabricated shell of column is transported to building-site, the reinforced concrete prefabricated column of bottom is first installed, then by upper reinforcement concrete prefabricated column hoisted in position, the angle cleat of upper and lower column end is connected with high strength friction-type bolt, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete post, makes post become as a whole;
Step 4: the connection of reinforced concrete prefabricated beam and reinforced concrete prefabricated column; After reinforced concrete prefabricated column installation, by horizontal for reinforced concrete prefabricated beam hoisted in position, same level absolute altitude place is positioned at the subsidiary short beam section of reinforced concrete prefabricated column, with the angle cleat of the concrete prefabricated beam end of high strength friction-type bolt connecting reinforcement and the angle cleat of the subsidiary short beam section of prefabricated post, then fiber reinforced cement-based composite material is built in the bonding pad between reinforced concrete prefabricated beam, make beam column become as a whole, complete the making of steel concrete prefabricated integral frame.
CN201410796762.7A 2014-12-19 2014-12-19 Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof Pending CN104532952A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499054A (en) * 2016-11-30 2017-03-15 上海建工二建集团有限公司 Prefabricated assembled frame beam column structure and its construction method

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CN102505760A (en) * 2011-11-17 2012-06-20 东南大学 Prefabricated combined beam and column node member
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CN202644841U (en) * 2012-06-26 2013-01-02 中国十七冶集团有限公司 Combination prefabricated superposed beam
KR101292395B1 (en) * 2011-09-22 2013-08-01 대림산업 주식회사 A compenstation struture for high strength polygonal centrifugal precast columns
CN103774754A (en) * 2014-01-07 2014-05-07 同济大学 Prefabricated ECC-RC combination beam column joint component

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Publication number Priority date Publication date Assignee Title
KR101292395B1 (en) * 2011-09-22 2013-08-01 대림산업 주식회사 A compenstation struture for high strength polygonal centrifugal precast columns
CN102505760A (en) * 2011-11-17 2012-06-20 东南大学 Prefabricated combined beam and column node member
CN102587576A (en) * 2012-03-02 2012-07-18 东南大学 Combined precast column with nodes
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Application publication date: 20150422