CN103541433B - Assembly concrete hook-hang type node - Google Patents

Assembly concrete hook-hang type node Download PDF

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Publication number
CN103541433B
CN103541433B CN201310429484.7A CN201310429484A CN103541433B CN 103541433 B CN103541433 B CN 103541433B CN 201310429484 A CN201310429484 A CN 201310429484A CN 103541433 B CN103541433 B CN 103541433B
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China
Prior art keywords
concrete
muscle
link
hook
plug
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Expired - Fee Related
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CN201310429484.7A
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Chinese (zh)
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CN103541433A (en
Inventor
张延年
汪青杰
郑怡
徐春一
刘阳
董锦坤
王英峡
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Abstract

The invention provides a kind of assembly concrete hook-hang type node, primarily of compositions such as concrete column, concrete beam and plug-in concrete beam.It is characterized in that, the concrete beam of node both sides is notch cuttype, and plug-in concrete beam is plane section.Post is indulged muscle by joint cores and not to be blocked; Beam bottom is indulged muscle and beam upper longitudinal bar and is not all blocked by joint cores.During installation, the beam bottom of plug-in concrete beam is indulged muscle hook and beam upper longitudinal bar hook to be hooked on respectively and to indulge muscle link and back portion bottom beam and indulge on muscle link.Under concrete beam, halfpace section arranges U-shaped stirrup link, and links up with hook with the additional U-shaped stirrup of additional U-shaped stirrup.Effect of the present invention and advantage are that bearing capacity is high, the feature such as plasticity and good toughness, easy construction, good economical benefit, and speed of application is fast.Modern project structure can be adapted to large across, towering, heavy duty development with bear the needs of mal-condition, meet the industrialized requirement of Modern Construction Technology.

Description

Assembly concrete hook-hang type node
Technical field
The present invention relates to a kind of building structure novel joint, particularly relate to a kind of assembly concrete hook-hang type node of prefabricated concrete structure.
Background technology
Assembly concrete building refers to the concrete prefabricated element based on factorial praluction. the concrete structure class building construction of being built by site-assembled patten's design.To water after overlapping layers concrete, Bar Anchorage pouring concrete connection etc. after the assembly method of component generally has scene, bar connecting can adopt sleeve to be in the milk to connect, welding, the way such as mechanical connection and the connection of reserving hole overlap joint.The eighties in 20th century, at the prefabricated large plate house that China is popular, due to reasons such as structural integrity is poor, seepage, cracks on floor slab, existing manyly affects structural safety and the normal hidden danger that uses and defect, gradually replace by cast-in-place concrete structure.But along with the application of current emerging prefabricated concrete structure, particularly introduced many advanced foreign technologies in recent years, localized prefabricated concrete structure is built new technology and is just progressively formed.
Along with the quickening of China's " industrialization of construction industry, housing industrialization " process and the continuous minimizing of China's " demographic dividend ", the appearance of building trade recruitment famine, the trend of housing industry industrialization is day by day obvious.The application of prefabricated concrete structure becomes new technology, new model that current research focus all parts of the country continue to bring out out housing construction prefabricated concrete structure again.Precast reinforced concrete construction is one of important directions of China's building structure development, and it is conducive to the development of China's industrialization of construction industry, energy conservation of enhancing productivity, development Green environmental-protection building, and is conducive to improving and ensureing construction engineering quality.Compared with cast-in-situ construction method; assembling reinforced concrete structure is conducive to green construction; because fabricated construction more can meet the saving land of green construction, energy-conservation, material-saving, the requirement such as water saving and environmental protection; reduce the negative effect to environment; comprise and reduce noise, prevent airborne dust, reduce environment pollution, clean transport, reduce place interference, save resource and the energy such as water, electricity, material, follow the principle of sustainable development.And, fabricated construction can complete multiple or whole operations of engineering continuously in order, thus reduce the engineering machinery kind and quantity of marching into the arena, that eliminates procedure connection rests the time, realize interchange operation, reduce constructor, thus improve work efficiency, reduction supplies consumption, minimizing environment pollution, for green construction provides safeguard.In addition, fabricated construction reduces building waste (accounting for the 30%-40% of municipal refuse total amount) largely, as steel scrap muscle, waste iron wire, useless bamboo timber, discarded concrete etc.
Assembly concrete building can be divided into full assembling and part assembling two large classes according to assemblingization degree height.Full assembling building is generally restricted to low layer or the lower multistory building of requirements for fortification against earthquake; Part assembling concrete construction main member is generally adopted prefabricated units, is connected by cast-in-situ concrete at the scene, forms the building of cast in place and precast construction.
North America region is mainly based on America & Canada, because prefabricated/prestressed concrete association (PCI) studies for a long period of time and promotes pre-cast building, the Specification of precast concrete is also very perfect. so its assembly concrete Application in Building is very general.The pre-cast building of North America mainly comprises building prefabrication exterior wall and the large series of structure prefabricated units two, and the common feature of prefabricated units is that maximization and prestressing force combine. can optimize structure arrangement of reinforcement and connecting structure.Reduce and make and installation workload, shorten the Yi work duration, fully demonstrate industrialization, standardization and Technical Economy feature.In 20th century, the pre-cast building of North America is mainly used in the non-antidetonation fortified defence area of low layer.Due to the earthquake effect in area, California, pay much attention to the engineer applied technical research of antidetonation and precast construction on the middle and senior level in recent years.PCI has published " precast concrete seismic design " book recently, the seismic design problem of pre-cast building is analyzed from theory and practice angle system, summarizing the latest scientific research of many precast construction seismic design, to instructing precast construction design and engineer applied to promote, there is very strong directive significance.
Europe is the cradle of pre-cast building, just starts the road of industrialization of construction industry as far back as the 17th century.After World War II, due to human resources shortage, Europe is research and probe industrialization of construction industry pattern further.No matter economically developed Northern Europe, West Europe, or Eastern Europe underdeveloped, always all in the design and construction mode actively carrying out prefabrication and assembly construction concrete construction.Have accumulated the design and construction experience of many pre-cast buildings, define various special precast building system and standardized general prefabricated product line, and worked out a series of precast concrete engineering specification and application manual, in global application, very important effect is served to promotion precast concrete.
Japan and Korea S have used for reference American-European successful experience, on the standardized designs construction basis exploring pre-cast building.In conjunction with oneself requirement.Breakthrough is achieved in precast construction system globality antidetonation and shock design.Representative achievement be the Tokyo Tower of two 58 floor that Japan adopts prefabrication and assembly construction frame construction to build up for 2008.Meanwhile, the precast concrete building system design of Japan, make and the standard criterion of construction also very perfect, the prefabricated specification used at present has " precast concrete engineering } (JASSl0) and " concrete curtain wall) (JASSl4).
China from the sixties in 20th century five begin one's study assembly concrete building design and construction technology, define a series of assembly concrete building system, comparatively typical building system has assembling single storey industry workshop building system, assembling multistory frame building system, assembled large panel building system etc.To the eighties in 20th century, the application of assembly concrete building reaches the period of full bloom, many places, the whole nation all define design, make and the assembly concrete industrialized building pattern of construction and installation integration. and the masonry building of assembly concrete building and employing prefabricated hollow floor becomes two kinds of topmost building systems, and application popularization rate reaches more than 70%.Because the function of assembled architecture and physical property exist many limitations and deficiency, the assembly concrete architectural design of China and construction technology R & D Level also do not catch up with the change of social demand and Building technology development, to the mid-90 in 20th century, assembly concrete building is replaced by full cast-in-situ concrete building system gradually, at present except the application comparatively extensively of assembling single storey industry workshop building system.The engineer applied of other prefabrication systems is few.The globality of precast construction antidetonation and the specialization research of management in design and operation not, cause its Technical Economy poor.It is the basic reason causing precast construction to stagnate for a long time.
Summary of the invention
The object of the present invention is to provide a kind of assembly concrete hook-hang type node, a kind of good integrity, power transmission be clear and definite mainly for developing, simple structure, safe and reliable, the fabricated construction node of saving material and easy construction.Bean column node, as a key link of building structure, directly will determine the feasibility that a kind of novel architecture structure form is applied in Practical Project.Wherein mode of transfer force and construction technology should be two most important links of design of node, and a kind of good joint form should have good unification in these two links.The present invention is intended to develop a kind of constructability and has the node structure form of good anti-seismic performance.
The object of the invention is to be achieved through the following technical solutions,
Assembly concrete hook-hang type node is primarily of concrete column, concrete beam, beam column node core area, muscle indulged by post, muscle is indulged in beam bottom, beam upper longitudinal bar, column tie-bar, beam stirrup, the U-shaped stirrup of sill bolt link, U-shaped stirrup link, additional U-shaped stirrup hook, plug-in concrete beam, plug-in concrete beam upper longitudinal bar, muscle is indulged in plug-in concrete beam bottom, plug-in concrete beam stirrup, vertical muscle link bottom beam, muscle hook is indulged in beam bottom, back portion indulges muscle link, beam upper longitudinal bar is linked up with, the composition such as halfpace section under additional U-shaped stirrup and concrete beam.It is characterized in that, the concrete beam of node both sides is notch cuttype, and plug-in concrete beam is plane section.Post is indulged muscle by joint cores and not to be blocked; Beam bottom is indulged muscle and beam upper longitudinal bar and is not all blocked by joint cores, and all beam bottoms are indulged muscle and beam upper longitudinal bar and arranged vertical muscle link and back portion bottom beam at two ends respectively and indulge muscle link; The plug-in concrete beam upper longitudinal bar of plug-in concrete beam and plug-in concrete beam bottom indulge muscle all stretch out and arrange beam bottom indulge muscle hook and beam upper longitudinal bar link up with; During installation, the beam bottom of plug-in concrete beam is indulged muscle hook and beam upper longitudinal bar hook to be hooked on bottom beam vertical muscle link respectively and back portion indulges on muscle link, and beam bottom is indulged muscle hook and beam upper longitudinal bar and link up with and curve closed-loop.Under concrete beam, halfpace section arranges U-shaped stirrup link, and links up with hook with the additional U-shaped stirrup of additional U-shaped stirrup, curves closed-loop after additional U-shaped stirrup hook hook.Poured in place concrete between concrete beam and plug-in concrete beam, cast-in-situ concrete grade 1 or 2 grade higher than the concrete of concrete beam and plug-in concrete beam.Bottom beam, vertical muscle link and back portion indulge muscle link place plane and are level, and the section of exposing that bottom beam, vertical muscle link and back portion indulge muscle link all should be less than stirrup spacing.
Effect of the present invention and advantage are that bearing capacity is high, the feature such as plasticity and good toughness, easy construction, good economical benefit, and speed of application is fast.Modern project structure can be adapted to large across, towering, heavy duty development with bear the needs of mal-condition, meet the industrialized requirement of Modern Construction Technology.The present invention summarizes prior art and the basis repeatedly testing and calculate is made.
Accompanying drawing explanation
Fig. 1 is assembly concrete hook-hang type node schematic diagram;
Fig. 2 is assembly concrete hook-hang type node and plug-in concrete beam schematic diagram.
In figure, 1 is concrete column; 2 is concrete beam; 3 is beam column node core area; 4 indulge muscle for post; 5 for indulging muscle in beam bottom; 6 is beam upper longitudinal bar; 7 is column tie-bar; 8 is beam stirrup; 9 is the U-shaped stirrup of sill bolt link; 10 is U-shaped stirrup link; 11 is additional U-shaped stirrup hook; 12 is plug-in concrete beam; 13 is plug-in concrete beam upper longitudinal bar; 14 indulge muscle for plug-in concrete beam bottom; 15 is plug-in concrete beam stirrup; 16 is vertical muscle link bottom beam; 17 for indulging muscle hook in beam bottom; 18 for indulging muscle link in back portion; 19 is beam upper longitudinal bar hook; 20 is additional U-shaped stirrup; 21 is halfpace section under concrete beam.
Detailed description of the invention
Below in conjunction with technical scheme with reference to accompanying drawing, the present invention is described in detail.
The assembly concrete hook-hang type node that the present invention proposes is as shown in Fig. 1 ~ Fig. 2.
Whole device is primarily of concrete column 1, concrete beam 2, beam column node core area 3, muscle 4 indulged by post, muscle 5 is indulged in beam bottom, beam upper longitudinal bar 6, column tie-bar 7, beam stirrup 8, the U-shaped stirrup 9 of sill bolt link, U-shaped stirrup link 10, additional U-shaped stirrup hook 11, plug-in concrete beam 12, plug-in concrete beam upper longitudinal bar 13, muscle 14 is indulged in plug-in concrete beam bottom, plug-in concrete beam stirrup 15, vertical muscle link 16 bottom beam, muscle hook 17 is indulged in beam bottom, back portion indulges muscle link 18, beam upper longitudinal bar hook 19, the composition such as halfpace section 21 under additional U-shaped stirrup 20 and concrete beam.
The node of precast concrete and plug-in concrete beam 12 as requested, the concrete beam 2 of node both sides is notch cuttype, and plug-in concrete beam 12 is plane section.Post is indulged muscle 4 by joint cores and is not blocked, and beam bottom is indulged muscle 5 and beam upper longitudinal bar 6 and all do not blocked by joint cores, and all beam bottoms are indulged muscle 5 and beam upper longitudinal bar 6 and to be arranged vertical muscle link 16 and back portion bottom beam at two ends respectively and indulge muscle link 18; The plug-in concrete beam upper longitudinal bar 13 of plug-in concrete beam 12 and plug-in concrete beam bottom indulge muscle 14 all stretch out and arrange beam bottom indulge muscle hook 17 and beam upper longitudinal bar hook 19; During installation, the beam bottom of plug-in concrete beam 12 is indulged muscle hook 17 and beam upper longitudinal bar hook 19 to be hooked on bottom beam vertical muscle link 16 respectively and back portion indulges on muscle link 18, and beam bottom is indulged muscle hook 17 and beam upper longitudinal bar hook 19 curves closed-loop.Under concrete beam, halfpace section 21 arranges U-shaped stirrup link 10, and links up with 11 hooks with the additional U-shaped stirrup of additional U-shaped stirrup 20, curves closed-loop after 11 hooks linked up with by additional U-shaped stirrup.Poured in place concrete between concrete beam 2 and plug-in concrete beam 12, with reference to accompanying drawing construction and assembling.

Claims (2)

1. an assembly concrete hook-hang type node, by concrete column (1), concrete beam (2), beam column node core area (3), muscle (4) indulged by post, muscle (5) is indulged in beam bottom, beam upper longitudinal bar (6), column tie-bar (7), beam stirrup (8), the U-shaped stirrup (9) of sill bolt link, U-shaped stirrup link (10), additional U-shaped stirrup hook (11), plug-in concrete beam (12), plug-in concrete beam upper longitudinal bar (13), muscle (14) is indulged in plug-in concrete beam bottom, plug-in concrete beam stirrup (15), vertical muscle link (16) bottom beam, muscle hook (17) is indulged in beam bottom, back portion indulges muscle link (18), beam upper longitudinal bar hook (19), halfpace section (21) composition under additional U-shaped stirrup (20) and concrete beam, it is characterized in that: the concrete beam (2) of node both sides is notch cuttype, and plug-in concrete beam (12) is plane section, post is indulged muscle (4) by joint cores and is not blocked, beam bottom is indulged muscle (5) and beam upper longitudinal bar (6) and is not all blocked by joint cores, and all beam bottoms are indulged muscle (5) and beam upper longitudinal bar (6) and arranged vertical muscle link (16) and back portion bottom beam at two ends respectively and indulge muscle link (18), the plug-in concrete beam upper longitudinal bar (13) of plug-in concrete beam (12) and plug-in concrete beam bottom indulge muscle (14) all stretch out and arrange beam bottom indulge muscle hook (17) and beam upper longitudinal bar link up with (19), during installation, the beam bottom of plug-in concrete beam (12) is indulged muscle hook (17) and beam upper longitudinal bar hook (19) to be hooked on respectively and to indulge muscle link (16) and back portion bottom beam and indulge on muscle link (18), and beam bottom is indulged muscle hook (17) and beam upper longitudinal bar link up with (19) curve closed-loop, under concrete beam, halfpace section (21) arranges U-shaped stirrup link (10), and link up with (11) hook with the additional U-shaped stirrup of additional U-shaped stirrup (20), closed-loop is curved after additional U-shaped stirrup hook (11) hook, poured in place concrete between concrete beam (2) and plug-in concrete beam (12), cast-in-situ concrete grade 1 or 2 grade higher than the concrete of concrete beam (2) and plug-in concrete beam (12).
2. assembly concrete hook-hang type node according to claim 1, it is characterized in that, bottom beam, vertical muscle link (16) and back portion indulge muscle link (18) place plane and are level, and indulging the section of exposing of muscle link (16) and back portion indulging muscle link (18) bottom beam all should be less than stirrup spacing.
CN201310429484.7A 2013-09-22 2013-09-22 Assembly concrete hook-hang type node Expired - Fee Related CN103541433B (en)

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* Cited by examiner, † Cited by third party
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CN104005475B (en) * 2014-06-16 2016-08-24 王睿敏 Easy-to-install open tubular column assembling frame system and construction method
CN104005476B (en) * 2014-06-16 2016-03-02 王睿敏 Be easy to fabrication and installation precast frame system and construction method
CN106592759A (en) * 2016-12-02 2017-04-26 上海理工大学 Assembly type reinforced concrete frame beam column joint and preparation method
CN106930457A (en) * 2017-05-04 2017-07-07 浙江大学建筑设计研究院有限公司 A kind of new prefabricated assembled concrete hollow floor and preparation method thereof
CN108179809A (en) * 2018-03-15 2018-06-19 莆田学院 The connection method of assembled steel tendon concrete frame structure component
CN109826316B (en) * 2019-03-25 2023-10-03 沈阳建筑大学 Beam-beam joint based on section steel in assembled reinforced concrete structure

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CN1704537A (en) * 2004-05-27 2005-12-07 同济大学 Totally assembled type prefabricated concrete structure system
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CN202672356U (en) * 2012-07-03 2013-01-16 山东科技大学 Rabbet connection node of precast reinforced concrete beam and beam-column joint
CN103074941A (en) * 2012-12-24 2013-05-01 北京工业大学 Assembly type recycled concrete node with steel bar truss girders at end parts and manufacturing method thereof
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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000104336A (en) * 1998-09-30 2000-04-11 Fujita Corp Joint structure of pile and superstructure building frame in structure, and method for constructing superstructure building frame at upper section of pile
CN1704537A (en) * 2004-05-27 2005-12-07 同济大学 Totally assembled type prefabricated concrete structure system
CN2797476Y (en) * 2005-04-22 2006-07-19 北京工业大学 Mixed jointing node of assembled concrete frame structure beam column
CN201053143Y (en) * 2007-06-22 2008-04-30 东南大学 Whole-prefabricated assembling type concrete frame structure
CN201507030U (en) * 2009-05-06 2010-06-16 中国建筑股份有限公司 Joint of concrete filled steel tubular column and reinforced concrete beam
CN202672356U (en) * 2012-07-03 2013-01-16 山东科技大学 Rabbet connection node of precast reinforced concrete beam and beam-column joint
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CN203200925U (en) * 2013-04-16 2013-09-18 东南大学 Prefabricated concrete framework beam column connected node structure

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