CN106759877A - Assembly concrete node and its dry type connection method - Google Patents

Assembly concrete node and its dry type connection method Download PDF

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Publication number
CN106759877A
CN106759877A CN201611054890.XA CN201611054890A CN106759877A CN 106759877 A CN106759877 A CN 106759877A CN 201611054890 A CN201611054890 A CN 201611054890A CN 106759877 A CN106759877 A CN 106759877A
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CN
China
Prior art keywords
stepped
downstairs
ladder
link
mouthful
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Application number
CN201611054890.XA
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Chinese (zh)
Inventor
张延年
钱施光
丁晓雯
汪青杰
王英峡
翟华
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Application filed by Shenyang Jianzhu University filed Critical Shenyang Jianzhu University
Priority to CN201611054890.XA priority Critical patent/CN106759877A/en
Publication of CN106759877A publication Critical patent/CN106759877A/en
Withdrawn legal-status Critical Current

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    • 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

This invention provides a kind of assembly concrete node, including prefabricated stepped concrete beam, the precast concrete column with overhanging Stepped Beam;Precast concrete column with overhanging Stepped Beam includes upper prop, beam-ends, downstairs link, upper ladder link, arc installing port and lower prop;The beam-ends includes ladder mouth, downstairs beam, upper Stepped Beam;Stepped Beam is fixedly connected with below upper prop, downstairs beam is fixedly connected with below upper Stepped Beam, the two ends of upper Stepped Beam are outer to stretch between lower prop 200mm 300mm, the two ends of downstairs beam are outer to stretch between upper prop 400mm 500mm;The downstairs beam of one end forms ladder mouthful with the upper Stepped Beam of one end, and the downstairs beam and upper ladder depth of beam are set to equal;The upper end of upper Stepped Beam is internally provided with ladder link, and the lower end of downstairs beam is internally provided with downstairs link;Anti-seismic performance is strong, and rigidity is obviously improved.

Description

Assembly concrete node and its dry type connection method
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of assembly concrete node and its dry type connection side Method.
Background technology
Assembly concrete building refers to pass through site-assembled side by main of the concrete prefabricated element of factorial praluction The concrete structure class building construction of formula design-build.The assembly method of component pours overlapping layer concrete, steel after typically having scene Muscle anchoring after pouring concrete connection etc., bar connecting can using sleeve grouting connection, welding, mechanically connect and reserving hole overlap joint The ways such as connection.The eighties in 20th century, in the prefabricated big plate house that China is popular, because structural integrity is poor, seepage, , there is many influence structure safety and the normal hidden danger and defect for using, gradually by cast-in-place concrete knot in the reasons such as cracks on floor slab Structure is replaced.But with the application of current emerging prefabricated concrete structure, particularly introduce many external first in recent years Enter technology, localized prefabricated concrete structure is built new technology and just gradually formed.
With the quickening  of China " building industrialization, housing industrialization " process and constantly subtracting for China's " demographic dividend " The trend of the waste appearance  housing industry industrialization of few  building trades recruitment is increasingly obvious.The application weight of prefabricated concrete structure Newly the new technology of residential housing prefabricated concrete structure, new model are continued to bring out out as current research focus  all parts of the country. Precast reinforced concrete structure is one of important directions of China's building structure development, and it is conducive to China's building industrialization Development, improve production efficiency energy saving develops Green environmental-protection building, and be conducive to improving and ensureing construction engineering quality. Compared with cast-in-situ construction method, assembled reinforced concrete structure is conducive to green construction, because fabricated construction can more meet green construction Save land, energy-conservation, section material, water saving and environmental protection etc. are required, reduce the negative effect to environment, including reduce noise, prevent Resource and the energy such as airborne dust, reduction environmental pollution, cleaning transport, the interference of reduction place, saving water, electricity, material, it then follows sustainable The principle of development.And, fabricated construction continuously can in order complete multiple or whole operations of engineering, thus reduce into The engineering machinery type and quantity of field, eliminate procedure connection rests the time, realizes interchange operation, reduces workmen, It is that green construction provides safeguard so as to improve work efficiency, reduce supplies consumption, reduction environmental pollution.In addition, fabricated construction compared with Reduce building waste (accounting for the 30% -40% of municipal refuse total amount) in big degree, such as steel scrap muscle, waste iron wire, useless bamboo wood material, useless Abandon concrete etc..
Assembly concrete building can be divided into two major classes of full assembling and part assembling according to assembling degree height.Full assembling Building is generally limited to low layer or the relatively low tier building of requirements for fortification against earthquake;Part assembling concrete construction main member is general Connected using prefabricated components, at the scene by cast-in-place concrete, form the building of cast in place and precast construction.
North America region is mainly with America & Canada as main because prefabricated/prestressed concrete association (PCI) studies for a long period of time With popularization pre-cast building, the Specification of precast concrete also improves very much so its assembly concrete Application in Building is non- It is often universal.The pre-cast building of North America mainly includes the big series of building prefabrication exterior wall and structure prefabricated components two, and prefabricated components are total to It is that maximization and prestressing force are combined and can optimize structural reinforcement and connecting structure with feature.Reduce and make and installation workload, contracting The short Yi works duration, fully demonstrate industrialization, standardization and Technical Economy feature.In 20th century, the pre-cast building of North America is main For the non-antidetonation fortified defence area of low layer.Due to the earthquake effect in California area, antidetonation and on the middle and senior level prefabricated is paid much attention in recent years The engineer applied technical research of structure.PCI is published recently《Precast concrete Aseismic Design》One book, from theory and practice Analyze the Aseismic Design problem of pre-cast building, the newest section for summarizing many precast construction Aseismic Designs is ground into angle system Really, to instructing, precast construction is designed and engineer applied is promoted and has very strong directive significance.
Europe is the cradle of pre-cast building, and the road of building industrialization has been begun to early in the 17th century.Second world is big After the war, due to human resources shortage, Europe further research and probe building industrialization pattern.Either economically developed north Europe, West Europe, or Eastern Europe underdeveloped, are all actively carrying out the design and construction side of prefabrication and assembly construction concrete construction always Formula.The design and construction experience of many pre-cast buildings is have accumulated, various special precast building systems and standardized general are formd Pre-manufactured product series, and a series of precast concrete engineering specifications and application manual have been worked out, to promoting precast concrete complete The application in the world serves very important effect.
Japan and South Korea have used for reference the successful experience of America and Europe, on the basis of the standardized designs construction for exploring pre-cast building. With reference to oneself requirement.Breakthrough is achieved in terms of precast construction system globality antidetonation and shock design.With representative Property achievement be two Tokyo Towers of 58 floor being built up using prefabrication and assembly construction frame structure for 2008 of Japan.Meanwhile, Japanese is pre- Concrete construction System Design processed, the standard criterion for making and constructing are also very perfect, and the prefabricated specification for using at present has《It is prefabricated mixed Solidifying geotechnique's journey } (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, form one Serial assembly concrete building system, more typical building system has assembled single storey industry workshop building system, assembling Formula multistory frame building system, assembled large panel building system etc..To the application of the assembly concrete building eighties in 20th century The period of full bloom is reached, many places in the whole nation all form the assembly concrete industry of design, making and construction and installation integration Change architectural mode assembly concretes building and use the masonry building of prefabricated hollow floor as two kinds of topmost building bodies System, application popularization rate is up to more than 70%.Because there is many limitations and deficiency, China in the function and physical property of assembled architecture Assembly concrete architectural design and construction technology R & D Level do not catch up with also social demand and Building technology development change, To the mid-90 in 20th century, assembly concrete building is gradually replaced by full cast-in-place concrete building system, at present except dress It is wide outer with formula single storey industry workshop building system application.The engineer applied of other prefabrication systems is few.In advance The specialized research of the globality and management in design and operation of structural seismic processed is inadequate, causes its Technical Economy poor.It is to cause The basic reason that precast construction stagnates for a long time.
The content of the invention
It is an object of the invention to provide a kind of assembly concrete node and its dry type connection method, solve assembled and mix The overall coordination performance of solidifying soil sandwich wall, improves energy-efficient performance, significantly improves anti-seismic performance, and connection number of packages is greatly reduced Amount, simplifies construction, is obviously improved its industrialization efficiency, promotes China's assembly concrete high residential building industrialized development process, Reduce resource and energy resource consumption.
The present invention is realized using following technical scheme:A kind of assembly concrete node, including prefabricated stepped concrete Beam, the precast concrete column with overhanging Stepped Beam;
The precast concrete column with overhanging Stepped Beam includes upper prop, beam-ends, downstairs link, upper ladder link, arc Shape installing port and lower prop;The beam-ends includes ladder mouth, downstairs beam, upper Stepped Beam;It is fixedly connected with below the upper prop Stepped Beam, is fixedly connected with downstairs beam below upper Stepped Beam, the two ends of upper Stepped Beam it is outer stretch in lower prop 200mm-300mm it Between, the two ends of downstairs beam are outer to stretch between upper prop 400mm-500mm;The downstairs beam of one end and the upper Stepped Beam shape of one end Into ladder mouthful, the downstairs beam and upper ladder depth of beam are set to equal;The upper end of the upper Stepped Beam is internally provided with Upper ladder link, the lower end of downstairs beam is internally provided with downstairs link;
The prefabricated stepped concrete beam includes that prefabricated beam body, ladder connector, downstairs mouth, upper ladder mouthful, beam bottom connect Connect frame, beam top link and arc installing port;One end of the prefabricated stepped concrete beam be provided with ladder connector, under The height of ladder mouthful and upper ladder mouthful, the downstairs mouthful and upper ladder mouthful is set to equal;The lower end of the ladder mouthful is set The upper end for having beam bottom link, the upper ladder mouthful is provided with beam top link;
As a kind of perferred technical scheme, the upper ladder link includes connection reinforcing bar, junction steel plate, connecting screw hole, even Steel-bar arrangement is connect in the centre of upper ladder link, and is uniformly distributed setting, the two ends of the connection reinforcing bar are respectively provided with connection Steel plate, has individual connecting screw hole every individual connection steel-bar arrangement,
The corresponding position of connecting screw hole of the upper ladder link is respectively provided with arc installing port, and the plane of arc installing port is thrown Shadow is isosceles trapezoid, and the perpendicular projection of beam is preferably arc.
As a kind of perferred technical scheme, beam bottom link and the precast concrete column with overhanging Stepped Beam The corresponding setting of downstairs link level, and it is provided with arc installing port, institute on the beam bottom link at the place of being correspondingly arranged The setting corresponding with the upper ladder link level of the precast concrete column with overhanging Stepped Beam of beam top link is stated, and right Should the top link at the place of setting be provided with arc installing port.
With reference to Fig. 6, a kind of dry type connection method of assembly concrete node, the ladder of prefabricated stepped concrete beam connects Interface is overlapped on the downstairs beam of the precast concrete column with overhanging Stepped Beam, and the extension of downstairs beam is connected with ladder The extension of mouth is equal;
The upper Stepped Beam of the precast concrete column with overhanging Stepped Beam uses arc with the upper ladder mouthful of prefabricated stepped concrete beam Shape bolt connection, the downstairs mouthful of the downstairs beam of the precast concrete column with overhanging Stepped Beam and prefabricated stepped concrete beam Connected using arch screw bolt,
Arch screw bolt is respectively mixed by the arc installing port and prefabricated stairstepping in the precast concrete column with overhanging Stepped Beam Arc installing port on solidifying Tu Liang is installed and fastened;
Ladder mouthful and ladder connector mutually agree with, upper Stepped Beam and the prefabricated ladder of the precast concrete column with overhanging Stepped Beam The gap of the upper ladder of shape beams of concrete mouthful is set to 10mm, the downstairs beam of the precast concrete column with overhanging Stepped Beam with it is pre- The downstairs mouthful of stepped concrete beam processed are set to 10mm, connection seam filling sealing vertically using the gap that arch screw bolt is connected Material.
Used as preferred technical scheme, the encapsulant includes polyethylene foamed rod and building structure marine glue, building Structurally waterproof glue is arranged on the outside of polyethylene foamed rod.
Compared with prior art, the beneficial effects of the present invention are:(1)Anti-seismic performance is strong, and rigidity is obviously improved, and drops Low connector quantity, is obviously improved its industrialization efficiency, reduces resource and energy resource consumption, it is possible to realize generalization, standardizes, (2)Connected mode uses dry construction, simplifies construction, and connection is reliable, good integrity.
Brief description of the drawings
Fig. 1 is the post elevational schematic view of the precast concrete column with overhanging Stepped Beam;
Fig. 2 is the post schematic top plan view of the precast concrete column with overhanging Stepped Beam;
Fig. 3 is the post elevational schematic view of the precast concrete column with overhanging Stepped Beam;
Fig. 4 is the elevational schematic view of prefabricated stepped concrete beam;
Fig. 5 is upper ladder link schematic diagram;
Fig. 6 is Fig. 5 B-B generalized sections;
Fig. 7 is the dry type connection method floor map of assembling type node.
Number explanation in figure:1 is the precast concrete column with overhanging Stepped Beam;2 is prefabricated stepped concrete beam;3 are Arch screw bolt;4 is polyethylene foamed rod;5 is building structure marine glue;1-1 is upper prop;1-2 is ladder mouthful;1-3 is downstairs Beam;1-4 is upper Stepped Beam;1-5 is downstairs link;1-6 is upper ladder link;1-7 is arc installing port;Under 1-8 is Post;2-1 is prefabricated beam body;2-2 is ladder connector;2-3 is downstairs mouthful;2-4 is upper ladder mouthful;2-5 is connected for beam bottom Frame;2-6 is beam top link;2-7 is arc installing port.
Specific embodiment
In order to further illustrate the present invention, below in conjunction with the accompanying drawings and embodiment is described in detail to the present invention, but not They can be interpreted as limiting the scope of the present invention.
With reference to Fig. 1-Fig. 5, a kind of assembly concrete node, including prefabricated stepped concrete beam 2, with overhanging Stepped Beam Precast concrete column 1;
The precast concrete column 1 with overhanging Stepped Beam includes that upper prop 1-1, beam-ends, downstairs link 1-5, upper ladder connect Meet frame 1-6, arc installing port 1-7 and lower prop 1-8;The beam-ends includes ladder mouthful 1-2, downstairs beam 1-3, upper Stepped Beam 1-4; Stepped Beam 1-4 is fixedly connected with below the upper prop 1-1, downstairs beam 1-3 is fixedly connected with below upper Stepped Beam 1-4, on The two ends of Stepped Beam 1-4 are stretched in outward between lower prop 1-8 200mm-300mm, and the two ends of downstairs beam 1-3 are outer to stretch in upper prop 1 Between -1 1400mm-500mm;The downstairs beam 1-3 of one end and upper Stepped Beam 1-4 of one end forms ladder mouthful 1-2, it is described under The height of Stepped Beam 1-3 and upper Stepped Beam 1-4 is set to equal;The upper end of the upper Stepped Beam 1-4 is internally provided with ladder Link 1-6, the lower end of downstairs beam (1-3) is internally provided with downstairs link 1-5;
The prefabricated stepped concrete beam 2 includes prefabricated beam body 2-1, ladder connector 2-2, downstairs mouthful 2-3, upper ladder mouthful 2-4, beam bottom link 2-5, beam top link 2-6 and arc installing port 2-7;The prefabricated stepped concrete beam (2) One end be provided with ladder connector 2-2, downstairs mouthful 2-3 and upper ladder mouthful 2-4, the downstairs mouthful 2-3 and upper ladder mouthful The height of (2-4) is set to equal;The lower end of the ladder mouthful 2-3 is provided with beam bottom link 2-5, the upper ladder mouthful 2- 4 upper end is provided with beam top link 2-6;
As a kind of perferred technical scheme, the upper ladder link 1-6 includes connection reinforcing bar 1-6-1, junction steel plate 1-6- 2nd, connecting screw hole 1-6-3, connection reinforcing bar 1-6-1 is arranged on the centre of ladder link 1-6, and is uniformly distributed setting, described The two ends of connection reinforcing bar 1-6-1 are respectively provided with junction steel plate 1-6-2, reinforcing bar 1-6-1 is connected every 1-2 and is provided with 2-5 even Screw 1-6-3 is met,
The corresponding positions of connecting screw hole 1-6-3 of the upper ladder link 1-6 are respectively provided with arc installing port 1-7, arc peace The plane projection of dress mouth 1-7 is isosceles trapezoid, and the perpendicular projection of beam is preferably arc.
As a kind of perferred technical scheme, the beam bottom link 2-5 and the precast concrete with overhanging Stepped Beam The downstairs link corresponding setting of 1-5 levels of post 1, and it is provided with arc on the beam bottom link 2-5 at the place of being correspondingly arranged The upper ladder link 1-6 of shape installing port 2-7, the beam top link 2-6 and the precast concrete column 1 with overhanging Stepped Beam The corresponding setting of level, and top link 2-6 at the place of being correspondingly arranged is provided with arc installing port 2-7.
With reference to Fig. 6, a kind of dry type connection method of assembly concrete node, the ladder of prefabricated stepped concrete beam 2 Connector 2-2 is overlapped on the downstairs beam 1-3 of the precast concrete column 1 with overhanging Stepped Beam, the outer elongation of downstairs beam 1-3 Degree is equal with the extension of ladder connector 2-2;
The upper ladder mouthful 2- of the upper Stepped Beam 1-4 of the precast concrete column 1 with overhanging Stepped Beam and prefabricated stepped concrete beam 2 4 are connected using arch screw bolt 3, downstairs beam 1-3 and the prefabricated stepped concrete of the precast concrete column 1 with overhanging Stepped Beam The downstairs mouthful 2-3 of beam 2 is connected using arch screw bolt 3,
Arch screw bolt 3 is respectively by the arc installing port 1-7 and prefabricated ladder in the precast concrete column 1 with overhanging Stepped Beam Arc installing port 2-7 on shape beams of concrete 2 is installed and fastened;
Ladder mouthful 1-2 and ladder connector 2-2 mutually agrees with, the upper Stepped Beam 1-4 of the precast concrete column 1 with overhanging Stepped Beam Gap with the upper ladder mouthful 2-4 of prefabricated stepped concrete beam 2 is set to 10mm, the precast concrete column with overhanging Stepped Beam 1 downstairs beam 1-3 is set to the downstairs mouthful 2-3 of prefabricated stepped concrete beam 2 using the gap that arch screw bolt 3 is connected Packing matcrial is stitched in 10mm, connection vertically.
Used as preferred technical scheme, the encapsulant includes polyethylene foamed rod 4 and building structure marine glue 5, builds Building structure marine glue 5 is arranged on the outside of polyethylene foamed rod 4.
Upper Stepped Beam 1-4 of the present invention positioned at post both sides preferentially uses ladder link 1-6 on same group, upper ladder connection Frame 1-6 passes through joint cores;The lower end of downstairs beam 1-3 is internally provided with downstairs link 1-5, under post both sides Stepped Beam 1-3 preferentially uses same group of downstairs link 1-5, downstairs link (1-5) to pass through joint cores.
Anti-seismic performance of the present invention is strong, and rigidity is obviously improved, and reduces connector quantity, is obviously improved its industrialization efficiency, Reduce resource and energy resource consumption, it is possible to realize generalization, standardize.
Connected mode of the present invention uses dry construction, simplifies construction, and connection is reliable, good integrity.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (5)

1. a kind of assembly concrete node, it is characterised in that including prefabricated stepped concrete beam (2), with overhanging Stepped Beam Precast concrete column (1);
The precast concrete column (1) with overhanging Stepped Beam including upper prop (1-1), beam-ends, downstairs link (1-5), on Ladder link (1-6), arc installing port (1-7) and lower prop (1-8);The beam-ends includes ladder mouthful (1-2), downstairs beam (1-3), upper Stepped Beam (1-4);The upper prop (1-1) is fixedly connected with Stepped Beam (1-4) below, under upper Stepped Beam (1-4) Face is fixedly connected with downstairs beam (1-3), the two ends of upper Stepped Beam (1-4) it is outer stretch in lower prop (1-8) 200mm-300mm it Between, the two ends of downstairs beam (1-3) are outer to stretch between upper prop (1-1) 400mm-500mm;The downstairs beam (1-3) of one end with The upper Stepped Beam (1-4) of one end forms ladder mouthful (1-2), the height setting of the downstairs beam (1-3) and upper Stepped Beam (1-4) For equal;The upper end of the upper Stepped Beam (1-4) is internally provided with ladder link (1-6), the lower end of downstairs beam (1-3) It is internally provided with downstairs link (1-5);
The prefabricated stepped concrete beam (2) including prefabricated beam body (2-1), ladder connector (2-2), downstairs mouthful (2-3), Upper ladder mouthful (2-4), beam bottom link (2-5), beam top link (2-6) and arc installing port (2-7);The prefabricated rank One end of trapezoidal beams of concrete (2) is provided with ladder connector (2-2), downstairs mouthful (2-3) and upper ladder mouthful (2-4), described The height of downstairs mouthful (2-3) and upper ladder mouthful (2-4) is set to equal;The lower end of the ladder mouthful (2-3) is provided with beam Portion's link (2-5), the upper end of the upper ladder mouthful (2-4) is provided with beam top link (2-6).
2. a kind of assembly concrete node according to claim 1, it is characterised in that characterized in that, the upper ladder Link (1-6) includes connection reinforcing bar (1-6-1), junction steel plate (1-6-2), connecting screw hole (1-6-3), connection reinforcing bar (1-6- 1) centre of ladder link (1-6) is arranged on, and is uniformly distributed setting, the two ends difference of connection reinforcing bar (1-6-1) Junction steel plate (1-6-2) is set, and connecting reinforcing bar (1-6-1) every 1-2 is provided with 2-5 connecting screw hole (1-6-3),
The corresponding position of connecting screw hole (1-6-3) of the upper ladder link (1-6) is respectively provided with arc installing port (1-7), The plane projection of arc installing port (1-7) is isosceles trapezoid.
3. a kind of assembly concrete node according to claim 1, it is characterised in that characterized in that,
Beam bottom link (2-5) and downstairs link (1-5) water of the precast concrete column (1) with overhanging Stepped Beam Corresponding setting is put down, and arc installing port (2-7), the beam are provided with beam bottom link (2-5) at the place of being correspondingly arranged Top link (2-6) is corresponding with upper ladder link (1-6) level of the precast concrete column (1) with overhanging Stepped Beam Set, and top link (2-6) at the place of being correspondingly arranged is provided with arc installing port (2-7).
4. a kind of dry type connection method of assembly concrete node according to claim 1, it is characterised in that prefabricated ladder The ladder connector (2-2) of shape beams of concrete (2) is overlapped on the downstairs beam of the precast concrete column (1) with overhanging Stepped Beam On (1-3), the extension of downstairs beam (1-3) is equal with the extension of ladder connector (2-2);
The upper rank of the upper Stepped Beam (1-4) of the precast concrete column (1) with overhanging Stepped Beam and prefabricated stepped concrete beam (2) Ladder way (2-4) using arch screw bolt (3) connection, the downstairs beam (1-3) of the precast concrete column (1) with overhanging Stepped Beam with it is pre- The downstairs mouthful (2-3) of stepped concrete beam (2) processed are connected using arch screw bolt (3),
Arch screw bolt (3) is respectively by the arc installing port (1-7) in the precast concrete column (1) with overhanging Stepped Beam and pre- Arc installing port (2-7) on stepped concrete beam (2) processed is installed and fastened;
Ladder mouthful (1-2) and ladder connector (2-2) mutually agree with, the upper rank of the precast concrete column (1) with overhanging Stepped Beam Terraced beam (1-4) is set to 10mm with the gap of the upper ladder mouthful (2-4) of prefabricated stepped concrete beam (2), with overhanging Stepped Beam The downstairs mouthful (2-3) of downstairs beam (1-3) and prefabricated stepped concrete beam (2) of precast concrete column (1) use arc The gap of shape bolt (3) connection is set to 10mm, and packing matcrial is stitched in connection vertically.
5. a kind of dry type connection method of assembly concrete node according to claim 4, it is characterised in that the sealing Material includes polyethylene foamed rod (4) and building structure marine glue (5), and building structure marine glue (5) is arranged on polyethylene foamed The outside of rod (4).
CN201611054890.XA 2016-11-25 2016-11-25 Assembly concrete node and its dry type connection method Withdrawn CN106759877A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109057009A (en) * 2018-07-03 2018-12-21 重庆大学 Novel prefabricated assembled concrete frame dry type node

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109057009A (en) * 2018-07-03 2018-12-21 重庆大学 Novel prefabricated assembled concrete frame dry type node

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Application publication date: 20170531