CN107700361A - A kind of dumb-bell shape grout sleeve and the method that assembling construction is carried out with the grout sleeve - Google Patents

A kind of dumb-bell shape grout sleeve and the method that assembling construction is carried out with the grout sleeve Download PDF

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Publication number
CN107700361A
CN107700361A CN201710903715.1A CN201710903715A CN107700361A CN 107700361 A CN107700361 A CN 107700361A CN 201710903715 A CN201710903715 A CN 201710903715A CN 107700361 A CN107700361 A CN 107700361A
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CN
China
Prior art keywords
grout sleeve
grouting
dumb
sleeve
grout
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Granted
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CN201710903715.1A
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Chinese (zh)
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CN107700361B (en
Inventor
葛继平
岳文超
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Shanghai Institute of Technology
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Shanghai Institute of Technology
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • 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
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements
    • E04C5/163Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165Coaxial connection by means of sleeves

Abstract

A kind of method that assembling construction is carried out the invention discloses dumb-bell shape grout sleeve and with the grout sleeve,The dumb-bell shape grout sleeve,Including two longitudinal arrangements and highly concordant grout sleeve,And for connecting the rectangular enclosure of two grout sleeves,Communicated between the grout sleeve and the rectangular enclosure,One of them described grout sleeve outer upper is provided with a thick liquid discharge mouth,Bottom is provided with a stock inlet,Ribbed Bar is inserted into sleeve of the inner chamber with annular protrusion,Then pour into special high-strength,Contraction-free grouting concrete,Both sides grout sleeve works simultaneously,Make both sides upper and lower side bar connecting,So as to reach the connection effect for being higher than parent material of reinforcement rebar intensity in rapid construction,Efficiency of construction and building structure overall performance can be effectively improved,Simplify construction technology,And it is adapted in the area application that taken place frequently to construction environment requirement height and earthquake.

Description

A kind of dumb-bell shape grout sleeve and the method that assembling construction is carried out with the grout sleeve
Technical field
The present invention relates to a kind of precast assembly provisions for grouting and technical field of construction, especially a kind of dumb-bell shape grout sleeve And the method that assembling construction is carried out with the grout sleeve.
Background technology
With the rapid development of communication, bridge, the quantities of road is also being continuously increased, and we apply for bridge The requirement of work technology is more and more higher, simultaneously because science of bridge building, the particularly bridge on highway, railway, Suo Yougong Journey requires that the time of site operation tries one's best short, so as to reduce the risk of site operation, ensures communications and transportation, reduces because applying Work blocks inconvenience caused by traffic, avoids weather from having a strong impact on construction as far as possible, therefore have developed a series of applicable buildings Industrialized technology.
Prefabricated concrete structure building is mostly built using industrialization technology at present, is by the structure of the primary structure of construction Part uses prefabrication, the construction technology of on-site consolidation.Such construction technology has suitable technical advantage and construction characteristic, Being smoothed out for bridge construction can be ensured, and can ensures the unobstructed of urban transportation.In bridge rapid construction, with prefabricated components The concrete structure formed for main bearing member assembly connection is extremely important, and reinforced bar sleeve grouting connection is that assembled mixes The important connected mode of Xtah Crude Clay structure, it is one of important directions of current architecture configuration development.
What is be widely used at present is single tube grout sleeve, and its interconnection technique principle is:, will be special after connecting reinforcing bar insertion sleeve Pour into sleeve with grouting material, full of the gap between sleeve and reinforcing bar, after grouting material hardening with reinforcing bar cross rib and sleeve lining shape Into tightly engaging, and the effective force between reinforcing bar and sleeve, by two bar connectings together.Conventional grout sleeve is shearing It is isolated mutually in wall, so when arranging inner barrel mud jacking pulp pipeline, grouting mouth grout outlet pipeline occurs unavoidably Too much, internal pipeline comes off, concrete spillage enter pipeline in cause the later stage block mud jacking pipeline the problem of.Moreover, utilize biography Grout sleeve of uniting is constructed, unfavorable for the globality of thin-walled metope.When running into hollow section bridge pier, workmen is not easily accessible Inside processing, site operation is difficult, and operating efficiency is relatively low, easily influences project progress.The wall face of other architectural engineering, construction Personnel do not have scaffold to construct, not only bad for efficiency of construction, it could even be possible to engineering accident occurs.
The content of the invention
New efficiency of construction and building structure globality can be reliably and effectively improved it is an object of the invention to provide a kind of Can, simplify construction technology, and be adapted to construction environment is required high and earthquake take place frequently area application reinforcing bar grout sleeve and its Construction method.
To achieve these goals, a kind of dumb-bell shape grout sleeve provided by the invention, it is characterised in that vertical including two To the grout sleeve of arrangement, and for connecting the cavity body structure of two grout sleeves, the grout sleeve and the chamber Communicated between body structure;One of them described grout sleeve outer upper is provided with a thick liquid discharge mouth, and bottom is entered provided with one Starch mouth.
Preferably, the grout sleeve is highly concordant, and inside middle portion is equipped with twice steel hoop back-up ring.
Preferably, the cavity body structure is rectangular enclosure, and intracavitary thickness is identical with the diameter of connected reinforcing bar, inwall light It is sliding.
Preferably, the upper surface of the rectangular enclosure is less than the grout sleeve upper surface, and lower surface is higher than the grouting Sleeve lower surface.
Preferably, the grout sleeve medial surface is provided with annular protrusion.
Preferably, the grout sleeve both ends carry sealing ring.
The length of the grout sleeve is at least 20 times of connection bar diameter.
The assembling constructing method of dumb-bell shape grout sleeve described in a kind of basis, it is characterised in that construction procedure is as follows:
1) Primary Location:First the difference grafting of connected reinforcing bar is arranged in two grout sleeves, and in the filling The both ends of slurry sleeve are respectively mounted sealing ring;
2) preparation:Before grouting works are carried out, first determine unobstructed into thick liquid discharge mouth, check whether pollution, moistening is prefabricated Component and grouting material contact surface, smear the levelling contact surface of epoxy resin mortar, and hoisting prefabricated component adjusts perpendicularity;
3) mixing grouting material:In strict accordance with proportions grouting material, filling is poured into after the grouting material matched is stirred Starch in equipment, ensure the slump of grouting material;
4) it is in the milk:After upper member is vertically put into lower member, the grouting material mixed is imported into grouting pump, starts grouting Pump, when the grouting material of grouting pump mouth outflow is in wire, using grouting method from bottom to top, grout pipe is inserted into entering for prefabricated components Mouth is starched, after the grout sleeve thick liquid discharge mouth flows out grouting material, the thick liquid discharge mouth is blocked immediately, after holding pressure, it is same to extract grout pipe out When quickly block stock inlet, other stock inlets of prefabricated components are equally in the milk successively;
5) test block indwelling:Construction quality inspection record should be carried out in time after completing to be in the milk, and retain image data, it is and described The grouting material of dumb-bell shape grout sleeve matching takes test block group to carry out resistance to compression detection according to each construction section.
Preferably, the grouting material mixture should be finished after preparation in 0.5h, after mix is checked after completing Grouting material fluidity, ensure that fluidity is not less than 300mm.
Preferably, after the thick liquid discharge mouth is blocked during grouting, a length of 60s during pressure is held.
It is provided by the invention, have the advantages that:
1. the grout sleeve can reliably and effectively improve efficiency of construction, strengthen the globality of thin-walled, lifting bridge is overall Steadiness, can meet earthquake take place frequently the Special sections such as area to sleeve be in the milk interconnection technique requirement.Filled using the dumb-bell shape When starching sleeve progress Construction Arrangement, it is only necessary to enter slurry in outer lateral irrigation, need not again open up into thick liquid discharge mouth on inner barrel, may be used also To control adjacent sleeve spacing, greatly reduce into plasma discharge pipeline, avoid the occurrence of the mixed and disorderly uncontrollable problem of arrangement, build high exterior wall When body and hollow section bridge pier, workmen uses the completion grouting process that the grout sleeve can be simple and convenient in outside, Construction period can be shortened, improve the working environment of worker, moreover it is possible to reduce operating risk.
2. the twice steel hoop back-up ring set by the grout sleeve inside middle portion, the connection reinforcing bar with ribbing of both ends insertion enters After entering the grout sleeve, the rib connected on reinforcing bar is stuck on the reinforcing bar back-up ring, is played limitation and is fixedly connected with reinforcing bar in the filling The effect of bushing core position is starched, ensures secure and reliable connection.
3. the intracavitary thickness of the rectangular enclosure is identical with the diameter of connected reinforcing bar, inner wall smooth, it is ensured that smooth Grouting, grouting material is quickly filled with the gap between sleeve and reinforcing bar, after grouting material hardening with reinforcing bar and the grout sleeve Formation tightly engages, avoid the occurrence of grouting it is insufficient, there is shrinkage porosite etc., cause the low intensity of made wall.
4. the upper surface of the rectangular enclosure is less than the grout sleeve upper surface, lower surface is higher than under the grout sleeve Surface, it is ensured that the glacing flatness of the grout sleeve upper and lower surface, be advantageous to ensure whole prefabricated components wall in follow-up assembling The perpendicularity of body, avoids the occurrence of potential safety hazard, improves the anti-seismic performance of wall.
5. the grout sleeve medial surface is provided with equally distributed annular protrusion, it is ensured that the firm of bar connecting can Lean on, strengthen the globality of wall, improve the anti-seismic performance of wall.
6. the grout sleeve both ends carry sealing ring, grouting material seepage can be effectively prevented, and effectively fill The gap of reinforcing bar and the grout sleeve connecting portion is connected, avoids reinforcing bar from occurring loosening during grouting, tilt.
Brief description of the drawings
Fig. 1 is a kind of dumb-bell shape grout sleeve structural representation;
Fig. 2 is along the sectional drawing in B-B directions in Fig. 1;
Fig. 3 is sectional drawing of the rectangular enclosure along A-A directions in Fig. 1;
Fig. 4 is the grout sleeve layout drawing of shear wall cross section;
Fig. 5 is the vertical lifting figure of shear wall prefabricated components;
Fig. 6 is shear wall mud jacking figure;
Fig. 7 is the grout sleeve layout drawing of hollow section bridge pier;
Fig. 8 is the prefabricated components installation diagram of hollow section bridge pier;
In figure:
1. the reinforcing bar 7. of the first 5. stock inlet of grout sleeve 2. second grout sleeve, 3. rectangular enclosure, 4. thick liquid discharge mouth 6. The annular protrusion of 12. sealing ring of grouting material 8. lower member, 9. upper member, 10. epoxy resin mortar, 11. steel hoop back-up ring 13..
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of dumb-bell shape grout sleeve, including longitudinal arrangement and the highly concordant first filling The grout sleeve 2 of sleeve 1 and second is starched, and for connecting the rectangular enclosure 3 of two grout sleeves, the first grouting set Communicated between the 1, second grout sleeve 2 of cylinder and the rectangular enclosure 3.The physical dimension of two grout sleeves is identical, Sleeve outer diameter is connection 3 times of the diameter of reinforcing bar 6, and length sleeve does not occur to bond length required for bond-slip for connection reinforcing bar 6 20 times of degree, at least connection bar diameter.The grout sleeve inside middle portion is provided with twice steel hoop back-up ring 11, and both ends are inserted After the connection reinforcing bar 6 with ribbing entered enters the grout sleeve, the rib connected on reinforcing bar is stuck on the steel hoop back-up ring 11, is risen Limitation is fixedly connected with effect of the reinforcing bar in the grout sleeve center, ensures that its surrounding has grouting gap about the same. The grout sleeve medial surface is provided with equally distributed annular protrusion 13, is increased between the slurry of solidification by concavo-convex embedded structure Strong curable grip, prevent rebar junction from departing from wall, strengthen the globality and anti-seismic performance of wall.For connecting described in two Grout sleeve 1 and 2 plays the rectangular enclosure 3 of transmitting effect, and intracavitary thickness is the diameter of connection reinforcing bar 6, inner wall smooth.Institute The upper surface for stating rectangular enclosure 3 is less than the grout sleeve upper surface, and lower surface is higher than the grout sleeve lower surface, Ke Yibao Demonstrate,prove the glacing flatness of prefabricated components upper and lower end face.On the downside of the outer wall of the second grout sleeve 2 positioned at outside for stock inlet 5, on Side is thick liquid discharge mouth 4, and inwall is got through, and is connected with cavity, and the both ends of 1 and second grout sleeve of the first grout sleeve 2 are with close Seal 12 prevents slurry seepage, and grouting material 7 is injected into sleeve inner by the stock inlet 5 during work, it is empty to flow through the rectangle Chamber 3, Self-leveling grouting material can guarantee that inner side first grout sleeve 1 is in the milk fully between two grout sleeves, reach on the inside of Sleeve need not set the purpose into thick liquid discharge mouth.
The assembling constructing method of dumb-bell shape grout sleeve described in a kind of basis, it is characterised in that construction procedure is as follows:
1) Primary Location:Connected reinforcing bar 6 is first distinguished into grafting in two grout sleeves, and in the filling The both ends of slurry sleeve are respectively mounted sealing ring 12;
2) preparation:Before grouting works are carried out, first determine that stock inlet 5, thick liquid discharge mouth 4 are unobstructed, check whether pollution.Such as Shown in Fig. 5, moistening prefabricated components and grouting material contact surface, the 10 levelling contact surface of epoxy resin mortar that intensity is high, plasticity is good is smeared, Hoisting prefabricated component adjusts perpendicularity;
3) mixing grouting material:In strict accordance with proportions grouting material 7, poured into after the grouting material 7 matched is stirred In grouting equipment, grouting material 7 should be finished after preparation in 0.5h, the fluidity of grouting material 7 after mix is checked after completing, Ensure that fluidity is not less than 300mm, ensure the slump of grouting material 7;
4) it is in the milk:As shown in fig. 6, after upper member 9 is vertically put into lower member 8, the grouting material 7 mixed is imported into filling Stock pump, start grouting pump, when the grouting material 7 of grouting pump mouth outflow is in wire, using grouting method from bottom to top, grout pipe is inserted Enter the stock inlet 5 of prefabricated components, after the grout sleeve thick liquid discharge mouth 4 flows out grouting material 7, block the thick liquid discharge mouth 4 immediately, hold After pressing 60s, extract grout pipe out and quickly block stock inlet simultaneously.Other reserved grout holes of prefabricated components are equally in the milk successively, must not Leakage fill, prefabricated components must once grouting terminate, gap must not be carried out and be repeatedly in the milk.Must not make in 24 hours after slip casting component and Key stratum is given a shock, collided.
5) test block indwelling:Construction quality inspection record should be carried out in time after completing to be in the milk, and retain image data, it is and described The grouting material of dumb-bell shape grout sleeve matching, test block group is taken to carry out resistance to compression detection according to each construction section.
Embodiment one:
In architectural engineering, shear wall is primarily subjected to horizontal loading caused by wind load or geological process and vertical load Active force (gravity), thus shear wall earthquake take place frequently the Special sections such as area Anti-pull-press performance it is particularly important.Such as Fig. 4,5 and 6 Shown, dumb-bell shape grout sleeve is used for precast concrete shear wall, because wall thickness is fixed, it is possible to reduce the use of single sleeve, It is easy to produce in batches.For the Side fascia of high level, constructed if wall is outer without scaffold worker inconvenience, the dumb-bell shape grouting set Cylinder is being equally spaced inside and outside side grout sleeve within the walls, controls adjacent sleeve spacing, substantially increases operating efficiency, reduce cloth Mixed and disorderly uncontrollable problem is put, has reached the purpose of enhancing globality, also more traditional grout sleeve is stronger for overall anti-seismic performance.
Embodiment two:
The dumb-bell shape grout sleeve and construction method are applicable not only to shear wall, are also applied for the steel of hollow section pier stud Muscle connects, and hollow section pier stud can make full use of material, and application is more extensive.As shown in FIG. 7 and 8, in hollow section of precast assembly Dumb-bell shape grout sleeve technology is used in the bar connecting construction of face bridge pier, worker is solved and is difficult into bridge pier interior construction Problem, workmen need to only be in the milk on the outside of bridge pier, reduce potential safety hazard, can improve the working environment and work of worker Industry risk, smaller to periphery traffic and the influence of environment, efficiency of construction is higher.
The dumb-bell shape sleeve applies also for the situation of the double muscle of solid section, such as square-section, and tensile region can match somebody with somebody Double reinforcing bar.
Specific case used herein is elaborated to inventive concept, and the explanation of above example is only intended to Help to understand core concept of the invention.It should be pointed out that for those skilled in the art, this is not being departed from On the premise of inventive concept, any obvious modification, equivalent substitution or other improvement for being made, the present invention should be included in Protection domain within.

Claims (9)

  1. A kind of 1. dumb-bell shape grout sleeve, it is characterised in that include the grout sleeve of two longitudinal arrangements, and for connecting two The cavity body structure of the individual grout sleeve, is communicated between the grout sleeve and the cavity body structure;Described in one of them Grout sleeve outer upper is provided with a thick liquid discharge mouth, and bottom is provided with a stock inlet.
  2. 2. dumb-bell shape grout sleeve according to claim 1, it is characterised in that the grout sleeve is highly concordant, and middle part Inner side is equipped with twice steel hoop back-up ring.
  3. 3. dumb-bell shape grout sleeve according to claim 1, it is characterised in that the cavity body structure is rectangular enclosure, intracavitary Thickness is identical with the diameter of connected reinforcing bar, inner wall smooth.
  4. 4. dumb-bell shape grout sleeve according to claim 1, it is characterised in that the upper surface of the rectangular enclosure is less than institute Grout sleeve upper surface is stated, lower surface is higher than the grout sleeve lower surface.
  5. 5. dumb-bell shape grout sleeve according to claim 1, it is characterised in that the grout sleeve medial surface is provided with annular It is raised.
  6. 6. dumb-bell shape grout sleeve according to claim 1, it is characterised in that the grout sleeve both ends are with sealing Circle.
  7. 7. a kind of assembling constructing method of dumb-bell shape grout sleeve according to claim 1 to 5 any one, its feature exist It is as follows in construction procedure:
    1) Primary Location:First the difference grafting of connected reinforcing bar is arranged in two grout sleeves, and in the grouting set The both ends of cylinder are respectively mounted sealing ring;
    2) preparation:Before grouting works are carried out, first determine unobstructed into thick liquid discharge mouth, check whether pollution, moisten prefabricated components With grouting material contact surface, the levelling contact surface of epoxy resin mortar is smeared, hoisting prefabricated component adjusts perpendicularity;
    3) mixing grouting material:In strict accordance with proportions grouting material, pour into grouting after the grouting material matched is stirred and set In standby, ensure the slump of grouting material;
    4) it is in the milk:After upper member is vertically put into lower member, the grouting material mixed is imported into grouting pump, starts grouting pump, When the grouting material of grouting pump mouth outflow is in wire, using grouting method from bottom to top, grout pipe insertion prefabricated components are entered into slurry Mouthful, after the grout sleeve thick liquid discharge mouth flows out grouting material, the thick liquid discharge mouth is blocked immediately, after holding pressure, extracts grout pipe out simultaneously Stock inlet quickly is blocked, other stock inlets of prefabricated components are equally in the milk successively;
    5) test block indwelling:Construction quality inspection record should be carried out in time after completing to be in the milk, image data is retained, with the dumbbell The grouting material of shape grout sleeve matching takes test block group to carry out resistance to compression detection according to each construction section.
  8. 8. the assembling constructing method of dumb-bell shape grout sleeve according to claim 7, it is characterised in that the grouting material is mixed Compound should be finished after preparation in 0.5h, the grouting material fluidity after mix is checked after completing, ensure that fluidity is not small In 300mm.
  9. 9. the assembling constructing method of dumb-bell shape grout sleeve according to claim 7, it is characterised in that institute is blocked during grouting After stating thick liquid discharge mouth, a length of 60s during pressure is held.
CN201710903715.1A 2017-09-28 2017-09-28 A kind of dumb-bell shape grout sleeve and the method for carrying out assembly construction with the grout sleeve Active CN107700361B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625477A (en) * 2018-03-22 2018-10-09 武汉理工大学 A kind of assembled beam-column node and its construction method
CN109457596A (en) * 2018-10-22 2019-03-12 北京工业大学 A kind of precast assembly bridge pier connecting structure and construction method
CN112282120A (en) * 2020-11-06 2021-01-29 湖南泽坤建筑设计有限公司 Shear wall plate fast bin sealing device
CN112853946A (en) * 2021-03-18 2021-05-28 长安大学 Grouting sleeve, grouting sleeve connected assembled pier and construction method thereof
CN113417465A (en) * 2021-07-30 2021-09-21 中国建筑第二工程局有限公司 Assembled building grout sleeve grout system

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CN1167515A (en) * 1995-11-10 1997-12-10 东京铁钢株式会社 Mortar filling type reinforcement joint
CN1723324A (en) * 2003-01-08 2006-01-18 金龙根 Reinforcing bar coupler
US20140060721A1 (en) * 2012-09-06 2014-03-06 Splice Sleeve Japan, Ltd. Joint method for reinforcing bar
KR20170040037A (en) * 2015-10-02 2017-04-12 (주)백암이노베이션 A reinforcing rod coupler having a clamp
CN106968381A (en) * 2017-04-28 2017-07-21 广东省建科建筑设计院有限公司 With the prefabricated shear wall and overlapping plate node of Combined grouting sleeve connection
CN107044193A (en) * 2017-04-26 2017-08-15 上海核工程研究设计院 A kind of pair of sleeve steel concrete supporting device

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Publication number Priority date Publication date Assignee Title
CN1167515A (en) * 1995-11-10 1997-12-10 东京铁钢株式会社 Mortar filling type reinforcement joint
CN1723324A (en) * 2003-01-08 2006-01-18 金龙根 Reinforcing bar coupler
CN100363576C (en) * 2003-01-08 2008-01-23 金龙根 Reinforcing bar coupler
US20140060721A1 (en) * 2012-09-06 2014-03-06 Splice Sleeve Japan, Ltd. Joint method for reinforcing bar
KR20170040037A (en) * 2015-10-02 2017-04-12 (주)백암이노베이션 A reinforcing rod coupler having a clamp
CN107044193A (en) * 2017-04-26 2017-08-15 上海核工程研究设计院 A kind of pair of sleeve steel concrete supporting device
CN106968381A (en) * 2017-04-28 2017-07-21 广东省建科建筑设计院有限公司 With the prefabricated shear wall and overlapping plate node of Combined grouting sleeve connection

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625477A (en) * 2018-03-22 2018-10-09 武汉理工大学 A kind of assembled beam-column node and its construction method
CN109457596A (en) * 2018-10-22 2019-03-12 北京工业大学 A kind of precast assembly bridge pier connecting structure and construction method
CN112282120A (en) * 2020-11-06 2021-01-29 湖南泽坤建筑设计有限公司 Shear wall plate fast bin sealing device
CN112282120B (en) * 2020-11-06 2021-11-02 湖南泽坤建筑设计有限公司 Shear wall plate fast bin sealing device
CN112853946A (en) * 2021-03-18 2021-05-28 长安大学 Grouting sleeve, grouting sleeve connected assembled pier and construction method thereof
CN113417465A (en) * 2021-07-30 2021-09-21 中国建筑第二工程局有限公司 Assembled building grout sleeve grout system

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