CN106049675A - Docking connection construction of prefabricated assembly concrete superposed beams - Google Patents

Docking connection construction of prefabricated assembly concrete superposed beams Download PDF

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Publication number
CN106049675A
CN106049675A CN201610590926.XA CN201610590926A CN106049675A CN 106049675 A CN106049675 A CN 106049675A CN 201610590926 A CN201610590926 A CN 201610590926A CN 106049675 A CN106049675 A CN 106049675A
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CN
China
Prior art keywords
composite beam
docking
prefabricated
prefabricated assembled
force transmission
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Pending
Application number
CN201610590926.XA
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Chinese (zh)
Inventor
姚大鹏
吕臻
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ARCHITECTURAL DESIGNING INSTITUTE OF SHENYANG JIANZHU UNIVERSITY
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ARCHITECTURAL DESIGNING INSTITUTE OF SHENYANG JIANZHU UNIVERSITY
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Application filed by ARCHITECTURAL DESIGNING INSTITUTE OF SHENYANG JIANZHU UNIVERSITY filed Critical ARCHITECTURAL DESIGNING INSTITUTE OF SHENYANG JIANZHU UNIVERSITY
Priority to CN201610590926.XA priority Critical patent/CN106049675A/en
Publication of CN106049675A publication Critical patent/CN106049675A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor

Abstract

The invention relates to a docking connection node structure of prefabricated assembly concrete superposed beams and belongs to the technical field of construction engineering. The superposed beam prefabricated part has longitudinal steel bars each of which extends out of an end and has a 180 DEG hook at an end part. The upper side of the superposed prefabricated part is provided with a superposition layer which is provided with beam top longitudinal bars of which an end is configured to have a 180 DEG hook. Connecting steel bars each of which has two ends provided with a 180 DEG hook which separately clings to one beam bottom longitudinal bar and one beam top longitudinal bar so as to form a force transmission ring. Each force transmission ring is inserted with 4 joint bars. The connecting region between the superposed layer and the adjacent superposed beam prefabricated part is cast with concrete so as to be solidified and moulded into a superposed beam. According to the invention, the hooks and steel bars are connected to form the force transmission rings so as to complete the docking connection of the prefabricated assembly concrete superposed beams, and construction materials and construction methods are regular materials and methods. The docking connection structure is easy to operate, simplifies construction, has strong universality, and can be directly applied to the engineering practice of prefabricated assembly concrete structures.

Description

A kind of prefabricated assembled concrete composite beam docking connecting structure
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of prefabricated assembled concrete composite beam docking and connect Structure.
Background technology
Prefabricated assembled concrete frame construction is a kind of industrialized architecture production mode, for prefabricated construction System, the beam of agent structure, plate, post all can be in factory process, it is achieved industrialized great production;The processing of batch production simultaneously, can To utilize state-of-the-art modern technologies, in the quality that objectively can ensure that structural elements.Arrive the scene of capital construction, as long as The each several part of precast construction is stitched together, prefabricated assembled concrete frame construction effect fast with its speed of application, economic The advantages such as benefit is good with environmental benefit are increasingly paid close attention to by owner and designer.Prefabricated assembled concrete framework at present In structure, the docking of Vierendeel girder or secondary beam connects and general uses sleeves grouting to connect more, this connected mode to prefabricated components and Site operation installation accuracy all has higher requirements, and requires the highest to the technology of sleeve mortar depositing construction personnel, holds in connection procedure The quality problems that sleeve both sides reinforcing bar cannot be the most in place easily occur.Therefore, on the premise of meeting strength performance, the simplest Changing the connecting structure of site operation interior joint, so that the concatenation construction program at scene is simplified, quality is ensured, this is just It it is the problem researched and solved of the present invention.
Summary of the invention
Setting a roof beam in place for current prefabricated assembled frame structure engineering center or the docking of secondary beam connects, the present invention combines prefabricated The feature of fabricated construction, it is provided that a kind of prefabricated assembled concrete composite beam docking connecting structure, it has, and design is simple, effect The features such as the best, practical, convenient construction.
The technical scheme that the present invention is given is:
Including composite beam pre-erection, connecting reinforcing bar, joint bar, delay-pour joint region and overlapping layers, described composite beam is prefabricated Indulge muscle at the bottom of the beam of part to stretch out in termination and in end with 180 ° of crotches, overlapping is set in the upside of composite beam pre-erection Layer, the back in overlapping layers indulges muscle termination and also sets 180 ° of crotches, the connection reinforcing bar of 180 ° of crotches of two ends band respectively with beam at the bottom of indulge muscle, Back is indulged muscle parallel being close to and is placed, and forms force transmission ring, is inserted into 4 joint bars, overlapping layers and adjacent composite beam at each force transmission ring In the join domain of pre-erection, casting concrete is fixed-type for composite beam.
The longitudinal reinforcement end that described composite beam pre-erection stretches out with 180 ° of crotches set up, it is straight segment length It is longitudinal reinforcement diameter that degree is no less than 10d1, d1.
Back reinforcing bar in described rear pouring concrete overlapping layers with 180 ° of crotches down-set, its flat segments length is not Should be less than 10d2, d2 is back bar diameter.
The connection steel bar end crotch in delay-pour joint region between the adjacent two composite beam pre-erections of described composite beam Direction is identical with connected longitudinal reinforcement crotch direction, and its flat segments length is no less than 10d3, d3 for connecting bar diameter.
The joint bar a length of composite beam width that described force transmission ring is inserted into deducts both sides protective layer thickness.
Described both sides power transmission interannular clear distance is preferably 100mm~400mm.
Described composite beam pre-erection end face, side arrange the concavo-convex degree of depth concrete matsurface not less than 6mm.
Described delay-pour joint region is provided with interior stirrup.
The invention has the beneficial effects as follows:
Composite beam the most of the present invention docking connecting structure, is reserved 180 ° of hooked bars of end band, two ends band by beam-ends 180 ° of crotches connect joint bar composition in reinforcing bar and force transmission ring;The present invention is in work progress, to structure manufacture and in-site installation essence Spending less demanding, it is to avoid use the grouting process that difficulty is bigger, can construct by common cast-in-place concrete structure in delay-pour joint region, Speed of application greatly speeds up, and construction quality is easier to ensure that, applied range.
Composite beam the most of the present invention docking connecting structure, can make the reserved steel bar length that prefabricated components end is stretched out greatly Reduce, transport to prefabricated components, lift, in place etc. bringing convenience is installed.
Construction material the most of the present invention, construction method are conventional material and method, simple, can shorten construction period, Good in economic efficiency, highly versatile, it is adaptable to prefabricated assembling type reinforced concrete frame structure, the beam docking in other versions Connect and also refer to.
Accompanying drawing explanation
Fig. 1 is the floor map of the present invention.
Fig. 2 is the A-A generalized section of the present invention.
In figure: 1. composite beam pre-erection;2. overlapping layers;3. concrete matsurface;4. connect reinforcing bar;5. indulge muscle at the bottom of beam; 6. back indulges muscle;7. stirrup in;8. joint bar;9. force transmission ring;10. delay-pour joint region.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings with embodiment.
Embodiment 1: as shown in Figure 1 and Figure 2, the present invention include composite beam pre-erection 1, connect reinforcing bar 4, joint bar 8, after water Join domain 10 and overlapping layers 2, the end of composite beam pre-erection 1 is stretched out and is indulged muscle 5 at the bottom of 180 ° of crotch beams of band, prefabricated at composite beam The upside of part 1 arranges overlapping layers 2, after water overlapping layers 2 in set the back with 180 ° of crotches and indulge muscle 6,180 ° of crotches of two ends band Connect reinforcing bar 4 respectively with indulge muscle 5 at the bottom of beam, back indulge muscle 6 parallel be close to place, formed force transmission ring 9, in each force transmission ring 9 interpolation Entering 4 joint bars 8, overlapping layers 2 is fixed-type with casting concrete in the join domain 10 of adjacent composite beam pre-erection 1 is folded Close beam.
Indulge at the bottom of the beam that described composite beam pre-erection 1 stretches out muscle 5 end with 180 ° of crotches set up, its flat segments It is the diameter indulging muscle 5 at the bottom of beam that length is no less than 10d1, d1.Back in described overlapping layers 2 indulge muscle 6 with 180 ° of crotches to Lower setting, it is the diameter that back indulges muscle 6 that its flat segments length is no less than 10d2, d2.Adjacent two composite beams of described composite beam Muscle 5 and back are indulged at the bottom of connected beam in the crotch direction, reinforcing bar 4 termination that connects in delay-pour joint region 10 between pre-erection 1 Vertical muscle 6 is identical, and it is the diameter connecting reinforcing bar 4 that its flat segments length is no less than 10d3, d3.Wherein connect reinforcing bar 4 diameter with Indulged muscle 5 at the bottom of coupling beam or back to indulge muscle 6 identical.
The joint bar 8 a length of composite beam width that described force transmission ring 9 is inserted into deducts both sides protective layer thickness.Described both sides pass 9 clear distances of power ring are preferably 100mm~400mm, and this example selects 100mm.Described composite beam pre-erection 1 end face, side arrange recessed The convex degree of depth concrete matsurface not less than 6mm.Described join domain is additionally provided with interior stirrup 7.
During site operation, its order is used as following: install in place by the precast beam lifting preparing to connect;Reinforcing bar 4 will be connected Crotch upwards reserve parallel and near to both sides and indulge muscle 5 at the bottom of beam and place, adjust and connect reinforcing bar 4 position and makes both sides force transmission ring 9 the most right Claim, insert joint bar 8;Lay back and indulge muscle 6, the back that the crotch connecting reinforcing bar 4 lays parallel and near to both sides downwards is indulged muscle 6 Place, adjust connection reinforcement location and make both sides force transmission ring 9 symmetrically, insert joint bar 8;In colligation delay-pour joint region 10 Interior stirrup 7, finally cast join domain 10 and the concrete of rear pouring concrete overlapping layers 2, complete composite beam docking and connect.
Composite beam docking described in this example connects node, should arrange concrete along composite beam pre-erection 1 end face and side thick Matte 3, its concavo-convex degree of depth is no less than 6mm, to increase shearing strength at concrete joint surface, improves globality.
Embodiment 2: this example as different from Example 1: force transmission ring 9 clear distances in described both sides are 400mm.
Embodiment 3: this example as different from Example 1: force transmission ring 9 clear distances in described both sides are 200mm.
Embodiment 4: this example as different from Example 1: force transmission ring 9 clear distances in described both sides are 300mm.

Claims (8)

1. the docking of a prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: include that composite beam is prefabricated Partly, connect reinforcing bar, joint bar, delay-pour joint region and overlapping layers, indulge muscle at the bottom of the beam of described composite beam pre-erection and stretch in termination Going out and in end with 180 ° of crotches, arrange overlapping layers in the upside of composite beam pre-erection, the back in overlapping layers indulges muscle end Head also set 180 ° of crotches, the connection reinforcing bar of 180 ° of crotches of two ends band respectively with indulge muscle at the bottom of beam, back indulge muscle parallel be close to place, shape Becoming force transmission ring, be inserted into 4 joint bars at each force transmission ring, overlapping layers pours in the join domain of adjacent composite beam pre-erection Concrete is fixed-type for composite beam.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State longitudinal reinforcement end that composite beam pre-erection stretches out with 180 ° of crotches set up, its flat segments length is no less than 10d1, d1 are longitudinal reinforcement diameter.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State back reinforcing bar in rear pouring concrete overlapping layers with 180 ° of crotches down-set, its flat segments length is no less than 10d2, d2 are back bar diameter.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State the connection steel bar end crotch direction in the delay-pour joint region between the adjacent two composite beam pre-erections of composite beam and connected The longitudinal reinforcement crotch direction connect is identical, and its flat segments length is no less than 10d3, d3 for connecting bar diameter.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State the joint bar a length of composite beam width that force transmission ring is inserted into and deduct both sides protective layer thickness.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State both sides power transmission interannular clear distance and be preferably 100mm~400mm.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State composite beam pre-erection end face, side arranges the concavo-convex degree of depth concrete matsurface not less than 6mm.
The most according to claim 1, the docking of prefabricated assembled concrete composite beam connects joint structure, it is characterised in that: institute State delay-pour joint region and be provided with interior stirrup.
CN201610590926.XA 2016-07-26 2016-07-26 Docking connection construction of prefabricated assembly concrete superposed beams Pending CN106049675A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107401220A (en) * 2017-09-25 2017-11-28 季芙瑶 A kind of beam connecting node of assembly concrete framework
CN107916724A (en) * 2017-11-16 2018-04-17 四川中新房绿色智能建筑工程有限公司 A kind of assembly concrete frame linked system and its installation method
CN108240041A (en) * 2018-01-13 2018-07-03 南通市建筑设计研究院有限公司 A kind of bean column node reinforcing bar avoiding structure and its construction method

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JPS6462534A (en) * 1987-09-01 1989-03-09 Shimizu Construction Co Ltd Method of joining construction of post and pc beam
CN2690476Y (en) * 2004-03-30 2005-04-06 润弘精密工程事业股份有限公司 Pre casting floor combining device
CN201087480Y (en) * 2007-08-16 2008-07-16 同济大学 Prestressed concrete composite beam
CN102587554A (en) * 2012-02-29 2012-07-18 黑龙江宇辉新型建筑材料有限公司 Laminated concrete slab connected by bending reinforcing steel bars by 180 degrees within span and connection method
CN102587555A (en) * 2012-03-09 2012-07-18 黑龙江宇辉新型建筑材料有限公司 Laminated slab adopting reinforcement 180 DEG bent anchor and spiral reinforcement connection within span and method
CN102852279A (en) * 2012-08-16 2013-01-02 杨众 Prestressed reinforced concrete superposed beam having convex-concave superposed surfaces
CN103061452A (en) * 2012-08-16 2013-04-24 杨众 Anti-seismic prestressed precast beam
CN103883051A (en) * 2014-03-13 2014-06-25 中国十七冶集团有限公司 Assembling type plate-beam connecting joint and construction method thereof
CN104164920A (en) * 2014-07-23 2014-11-26 南京长江都市建筑设计股份有限公司 Bottom steel bar connecting structure of key groove node precast frame beam
CN204983143U (en) * 2015-09-17 2016-01-20 东南大学 End muscle precast concrete frame construction excels in
CN105735470A (en) * 2016-02-29 2016-07-06 东南大学 Precast concrete frame system using high-performance materials differentially
CN205822451U (en) * 2016-07-26 2016-12-21 沈阳建筑大学建筑设计研究院 A kind of prefabricated assembled concrete composite beam docking connecting structure

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6462534A (en) * 1987-09-01 1989-03-09 Shimizu Construction Co Ltd Method of joining construction of post and pc beam
CN2690476Y (en) * 2004-03-30 2005-04-06 润弘精密工程事业股份有限公司 Pre casting floor combining device
CN201087480Y (en) * 2007-08-16 2008-07-16 同济大学 Prestressed concrete composite beam
CN102587554A (en) * 2012-02-29 2012-07-18 黑龙江宇辉新型建筑材料有限公司 Laminated concrete slab connected by bending reinforcing steel bars by 180 degrees within span and connection method
CN102587555A (en) * 2012-03-09 2012-07-18 黑龙江宇辉新型建筑材料有限公司 Laminated slab adopting reinforcement 180 DEG bent anchor and spiral reinforcement connection within span and method
CN102852279A (en) * 2012-08-16 2013-01-02 杨众 Prestressed reinforced concrete superposed beam having convex-concave superposed surfaces
CN103061452A (en) * 2012-08-16 2013-04-24 杨众 Anti-seismic prestressed precast beam
CN103883051A (en) * 2014-03-13 2014-06-25 中国十七冶集团有限公司 Assembling type plate-beam connecting joint and construction method thereof
CN104164920A (en) * 2014-07-23 2014-11-26 南京长江都市建筑设计股份有限公司 Bottom steel bar connecting structure of key groove node precast frame beam
CN204983143U (en) * 2015-09-17 2016-01-20 东南大学 End muscle precast concrete frame construction excels in
CN105735470A (en) * 2016-02-29 2016-07-06 东南大学 Precast concrete frame system using high-performance materials differentially
CN205822451U (en) * 2016-07-26 2016-12-21 沈阳建筑大学建筑设计研究院 A kind of prefabricated assembled concrete composite beam docking connecting structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107401220A (en) * 2017-09-25 2017-11-28 季芙瑶 A kind of beam connecting node of assembly concrete framework
CN107916724A (en) * 2017-11-16 2018-04-17 四川中新房绿色智能建筑工程有限公司 A kind of assembly concrete frame linked system and its installation method
CN107916724B (en) * 2017-11-16 2020-07-21 四川中新房绿色智能建筑工程有限公司 Assembly type concrete frame connecting system and mounting method thereof
CN108240041A (en) * 2018-01-13 2018-07-03 南通市建筑设计研究院有限公司 A kind of bean column node reinforcing bar avoiding structure and its construction method
CN108240041B (en) * 2018-01-13 2019-07-16 南通市建筑设计研究院有限公司 A kind of bean column node reinforcing bar avoiding structure and its construction method

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