CN106320531A - Prefabricated concrete structure connecting method adopting bilateral half-open left-screwed and right-screwed sleeve - Google Patents

Prefabricated concrete structure connecting method adopting bilateral half-open left-screwed and right-screwed sleeve Download PDF

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Publication number
CN106320531A
CN106320531A CN201610692798.XA CN201610692798A CN106320531A CN 106320531 A CN106320531 A CN 106320531A CN 201610692798 A CN201610692798 A CN 201610692798A CN 106320531 A CN106320531 A CN 106320531A
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CN
China
Prior art keywords
half opening
positive
unilateral
silk braid
braid cylinder
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Application number
CN201610692798.XA
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Chinese (zh)
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CN106320531B (en
Inventor
张延年
丁晓雯
钱施光
汪青杰
王英峡
翟华
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Yongchun County Product Quality Inspection Institute Fujian fragrance product quality inspection center, national incense burning product quality supervision and Inspection Center (Fujian)
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Shenyang Jianzhu University
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Priority to CN201610692798.XA priority Critical patent/CN106320531B/en
Publication of CN106320531A publication Critical patent/CN106320531A/en
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Publication of CN106320531B publication Critical patent/CN106320531B/en
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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
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • 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
    • 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
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires

Abstract

The invention provides a prefabricated concrete structure connecting method adopting a bilateral half-open left-screwed and right-screwed sleeve. The connecting method comprises the steps that a firstly-installed prefabricated concrete element and a secondly-installed prefabricated concrete element are connected in a mechanical connecting mode preferably by means of a fixing part exposed rebar and an installing part exposed rebar, the fixing part exposed rebar and the installing part exposed rebar are connected through the bilateral half-open left-screwed and right-screwed sleeve, the fixing part exposed rebar is connected with the flat end of the bilateral half-open left-screwed and right-screwed sleeve, and the installing part exposed rebar is connected with the half-open end of the bilateral half-open left-screwed and right-screwed sleeve; and post-cast strips are adopted for covering the fixing part exposed rebar and the installing part exposed rebar. The prefabricated concrete structure connecting method adopting the bilateral half-open left-screwed and right-screwed sleeve has the beneficial effects that multiple rebars of the prefabricated concrete structure are connected mechanically by adoption of the rebars, fast aligned and effectively connected, operation is simple and fast, and field operation is reduced greatly; and meanwhile the construction quality is guaranteed, and a good stress property is better guaranteed.

Description

Unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure method of attachment
Technical field
The invention belongs to technical field of buildings, particularly relate to a kind of unilateral half opening positive and negative silk braid cylinder assembly concrete Structure method of attachment.
Background technology
In prefabricated concrete structure, the longitudinal reinforcement (vertical reinforcement and horizontal reinforcement) of contiguous prefabricated concrete component can With use be mechanically connected, sleeve grouting connects, slurry anchor overlap joint connects, be welded to connect and colligation overlap joint connection etc..When using machinery During connection, after needing between contiguous prefabricated concrete component to be arranged on job site casting concrete the section of watering or after water monoblock type spell Seam, stretch out the longitudinal reinforcement of prefabricated components end face after connect in the section of watering or piece.
Steel concrete supporting is a new reinforcing steel bar Joining Technology, has strength of joint higher than parent material of reinforcement rebar, speed than electricity Weld fast 5 times, pollution-free, save the advantage such as steel 20%, and there is high ductility and tensile and compressive property repeatedly.
The advantage of reinforcing steel bar connecting sleeve tube has the following aspects: not by reinforcing bar chemical composition, anthropic factor, weather, electric power Impact Deng factors;Pollution-free, meet environmental requirement, the flames of anger operation construction safety reliable;It is applied widely, it is adaptable to Various orientation and same, the connection of reducing reinforcing bar;Intensity is high, and steady quality is reliable;Simple to operate, speed of application is fast.
But, when reinforcing steel bar connecting sleeve tube is for the joint connection in site of assembly concrete, owing to precast concrete is stupid Weigh, and reinforcing bar cannot rotate, and therefore during steel reinforcement abutting joints, often due to problems such as machining accuracies, makes many reinforcing bars the fastest Speed alignment difficulty is relatively big, causes construction delay, and therefore this problem is in the urgent need to address.
Summary of the invention
The invention provides a kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure for the problems referred to above to connect Method.
The present invention adopts the technical scheme that: a kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure connects node, Including first install precast concrete, afterwards install precast concrete, prefabricated concrete floor, horizontal post-cast strip, after water Section, fixture exposed steel bar, installed part exposed steel bar, unilateral half opening positive and negative silk braid cylinder and supporting leg;
Described prefabricated concrete floor is horizontally disposed with, under be terminated with first installing precast concrete;Rear installation concrete Soil component is with first installation precast concrete is in up and down relative to position, and both sides the most from top to bottom connect therebetween installation Part exposed steel bar, unilateral half opening positive and negative silk braid cylinder and fixture exposed steel bar;Supporting leg it is provided with, outside fixture in the middle of the reinforcing bar of both sides Dew the reinforcing bar left and right sides be respectively horizontal post-cast strip and after the section of watering;
Described unilateral half opening positive and negative silk braid cylinder include cylinder, half opening end, flat mouth end, positive silk section, anti-silk section, half opening, Semicircle restraining plate and polygonal outer rim;Half opening end and flat mouth end be respectively unilateral half opening positive and negative silk braid cylinder upper end and under End;Being half opening on the right side of half opening end, left side is semicircle restraining plate;Anti-silk section and positive silk section from top to bottom run through cylinder.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure method of attachment, it is characterised in that: Connection Step Including
Step one: precast concrete is first installed in assembling;
Step 2: flat mouth end and the assembling of unilateral half opening positive and negative silk braid cylinder are first installed outside the fixture of precast concrete Dew bar connecting, preferential rotation 1-2 week;Make the half opening of unilateral half opening positive and negative silk braid cylinder all towards equidirectional;
Step 3: install other not with the component first installing precast concrete, bar connecting;
Step 4: by some installed part exposed steel bars (9) of rear installation precast concrete all with the unilateral positive and negative silk of half opening The half opening end of sleeve is drawn close;
Step 5: the unilateral half opening positive and negative silk braid cylinder of regulation, is threaded in or out flat mouth end, makes half opening end, flat mouth end two ends Fixture exposed steel bar and installed part exposed steel bar the most screwed in more than 1 week;
Step 6: tighten unilateral half opening positive and negative silk braid cylinder the most one by one, make bar connecting reach code requirement.
As the preferred technical scheme of one: half opening is 1800Circular arc, it is 180 that semicircle restraining plate exceeds half opening0Circular arc Plate.
As the preferred technical scheme of one: the effectively occlusion screw thread number of positive silk section is than the effectively occlusion screw thread number of anti-silk section Many 1-3.
As the preferred technical scheme of one: polygonal outer rim is hexagonal or anise.
As the preferred technical scheme of one: positive silk section is the positive screw thread in inner side, and anti-silk section is the anti-screw thread in inner side.
As the preferred technical scheme of one: horizontal post-cast strip and after the section of watering be to pour in the later stage, in order to fixedly mount outside part Dew reinforcing bar and fixture exposed steel bar, make structure be integrally formed, and plays the effect of protection reinforcing bar.
As the preferred technical scheme of one: half opening towards being directed to indoor direction.
The invention has the beneficial effects as follows the many reinforcing bar quick alignment using steel concrete supporting prefabricated concrete structure And effectively connect, simple to operate quickly reduce a large amount of field operation, ensure construction safety, construction quality simultaneously, more ensure that it has There is good stress performance.
Accompanying drawing explanation
Fig. 1 is a kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure method of attachment schematic diagram;
Fig. 2 is the half opening end schematic diagram of unilateral half opening positive and negative silk braid cylinder;
Fig. 3 is the flat mouth end schematic diagram of unilateral half opening positive and negative silk braid cylinder;
Fig. 4 is A-A generalized section.
In figure: 1 precast concrete is first installed, precast concrete, 3 supporting legs, 4 unilateral half openings is being installed just after 2 Anti-silk braid cylinder, 5 prefabricated concrete floors, 6 horizontal post-cast strips, the section of watering after 7,8 fixture exposed steel bars, 9 installed part exposed steel bars, 41 cylinders, 42 half opening ends, 43 flat mouth ends, 44 positive silk sections, 45 be anti-silk section, 46 half openings, 47 semicircle restraining plates, 48 polygonal outside Edge.
Detailed description of the invention
In order to preferably illustrate objects and advantages of the present invention, once combine Figure of description and the present invention is entered One step explanation.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure connects node, including first installing precast concrete Component 1, rear install precast concrete 2, prefabricated concrete floor 5, horizontal post-cast strip 6, after the section of watering 8, fixture expose steel Muscle 8, installed part exposed steel bar 9, unilateral half opening positive and negative silk braid cylinder 4 and supporting leg 3;
Described prefabricated concrete floor 5 is horizontally disposed with, under be terminated with precast concrete 1 is first installed;Rear installation is prefabricated mixed Solidifying soil component 2 is with first installation precast concrete 1 is in up and down relative to position, and both sides the most from top to bottom connect therebetween has Installed part exposed steel bar 9, unilateral half opening positive and negative silk braid cylinder 4 and fixture exposed steel bar 8;Supporting leg 3 it is provided with in the middle of the reinforcing bar of both sides, Fixture exposed steel bar 8 left and right sides be respectively horizontal post-cast strip 6 and after the section of watering 7;
Described unilateral half opening positive and negative silk braid cylinder 4 includes cylinder 41, half opening end 42, flat mouth end 43, positive silk section 44, anti-silk section 45, half opening 46, semicircle restraining plate 47 and polygonal outer rim 48;Half opening end 42 and flat mouth end 43 are just being respectively unilateral half opening The top and bottom of anti-silk braid cylinder 4;Being half opening 46 on the right side of half opening end 42, left side is semicircle restraining plate 47;Anti-silk section 45 He Positive silk section 44 from top to bottom runs through cylinder 41.
The method of attachment of described a kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure, including connecting as follows Step
Step one: precast concrete 1 is first installed in assembling;
Step 2: the flat mouth end 43 of unilateral half opening positive and negative silk braid cylinder 4 is first installed with assembling the fixing of precast concrete 1 Part exposed steel bar 8 connects, preferential rotation 1-2 week;Make the half opening 46 of unilateral half opening positive and negative silk braid cylinder 4 all towards phase Tongfang To, step 3: install other not with the component first installing precast concrete 1 bar connecting;
Step 4: by some installed part exposed steel bars 9 of rear installation precast concrete 2 all with the unilateral positive and negative silk braid of half opening The half opening end 42 of cylinder 4 is drawn close;
Step 5: the unilateral half opening positive and negative silk braid cylinder 4 of regulation, is threaded in or out flat mouth end 43, makes half opening end 42, flat mouth end Fixture exposed steel bar 8 and the installed part exposed steel bar 9 at 43 two ends have screwed in more than 1 week the most;
Step 6: tighten unilateral half opening positive and negative silk braid cylinder 4 the most one by one, make bar connecting reach code requirement.
Described half opening 46 is 1800Circular arc, it is 180 that semicircle restraining plate 47 exceeds half opening 460Arc plate.
The effectively occlusion screw thread number of described positive silk section 44 is than the effectively occlusion many 1-3 of screw thread number of anti-silk section 45.
Described polygonal outer rim 48 is hexagonal or anise.
Described positive silk section 44 is the positive screw thread in inner side, and anti-silk section 45 is the anti-screw thread in inner side.
Described horizontal post-cast strip 6 and after the section of watering 7 pour into for the later stage, in order to fixedly mount part exposed steel bar 9 and fixture Exposed steel bar 8, makes structure be integrally formed, and plays the effect of protection reinforcing bar.
Described half opening 46 towards being directed to indoor direction.
It should be noted last that, above example is only unrestricted in order to supplementary explaination technical scheme.To the greatest extent The present invention has been described in detail by pipe with reference to embodiment, and this area vast is it will be appreciated by the skilled person that skill to the present invention Art scheme is modified or replaces on an equal basis, and without departure from the spirit and scope of technical solution of the present invention, it all should be contained at this In the middle of the right of invention.

Claims (8)

1. a unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure connects node, it is characterised in that: include first installing Precast concrete (1), afterwards install precast concrete (2), prefabricated concrete floor (5), horizontal post-cast strip (6), after The section of watering (8), fixture exposed steel bar (8), installed part exposed steel bar (9), unilateral half opening positive and negative silk braid cylinder (4) and supporting leg (3);Described prefabricated concrete floor (5) is horizontally disposed with, under be terminated with precast concrete (1) is first installed;Rear installation is pre- Concrete component processed (2) with precast concrete (1) is first installed in up and down relative to position, both sides are respectively by up to therebetween Lower connection has installed part exposed steel bar (9), unilateral half opening positive and negative silk braid cylinder (4) and fixture exposed steel bar (8);Both sides reinforcing bar Centre is provided with supporting leg (3), fixture exposed steel bar (8) left and right sides be respectively horizontal post-cast strip (6) and after the section of watering (7);Described Unilateral half opening positive and negative silk braid cylinder (4) include cylinder (41), half opening end (42), flat mouth end (43), positive silk section (44), anti-silk Section (45), half opening (46), semicircle restraining plate (47) and polygonal outer rim (48);Half opening end (42) and flat mouth end (43) are respectively Top and bottom for unilateral half opening positive and negative silk braid cylinder (4);Half opening end (42) right side is half opening (46), and left side is semicircle Restraining plate (47);Anti-silk section (45) and positive silk section (44) from top to bottom run through cylinder (41).
2. a unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure method of attachment, it is characterised in that: Connection Step bag Include step one: precast concrete (1) is first installed in assembling;Step 2: by the flat mouth end of unilateral half opening positive and negative silk braid cylinder (4) (43) the fixture exposed steel bar (8) first installing precast concrete (1) with assembling is connected, preferential rotation 1-2 week;Make one side The half opening (46) of half opening positive and negative silk braid cylinder (4) all towards equidirectional, step 3: install other not with first install prefabricated mixed The component of solidifying soil component (1) bar connecting;Step 4: some installed parts of rear installation precast concrete (2) are exposed steel Muscle (9) all half opening ends (42) with unilateral half opening positive and negative silk braid cylinder (4) are drawn close;Step 5: the unilateral half opening of regulation is positive and negative Silk braid cylinder (4), is threaded in or out flat mouth end (43), makes half opening end (42), the fixture at flat mouth end (43) two ends expose steel Muscle (8) and installed part exposed steel bar (9) have screwed in more than 1 week the most;Step 6: tighten the unilateral positive and negative silk of half opening the most one by one Sleeve (4), makes bar connecting reach code requirement.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure the most according to claim 1 connects node, its It is characterised by: half opening (46) is 1800Circular arc, it is 180 that semicircle restraining plate (47) exceeds half opening (46)0Arc plate.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure the most according to claim 1 connects node, its It is characterised by: the effectively occlusion screw thread number of positive silk section (44) is than the effectively occlusion many 1-3 of screw thread number of anti-silk section (45).
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure the most according to claim 1 connects node, its It is characterised by: polygonal outer rim (48) is hexagonal or anise.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure the most according to claim 1 connects node, its It is characterised by: positive silk section (44) is the positive screw thread in inner side, and anti-silk section (45) is the anti-screw thread in inner side.
A kind of unilateral half opening positive and negative silk braid cylinder prefabricated concrete structure the most according to claim 1 connects node, its Be characterised by: horizontal post-cast strip (6) and after the section of watering (7) be to pour in the later stage, in order to fixedly mount part exposed steel bar (9) and fixture Exposed steel bar (8), makes structure be integrally formed, and plays the effect of protection reinforcing bar.
Formula xoncrete structure method of attachment joined by a kind of unilateral half opening positive and negative silk braid cylinder the most according to claim 2, and it is special Levy and be: half opening (46) towards being directed to indoor direction.
CN201610692798.XA 2016-08-22 2016-08-22 The unilateral positive and negative silk braid cylinder prefabricated concrete structure connection method of half opening Active CN106320531B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643367A (en) * 2018-05-18 2018-10-12 中石化广州工程有限公司 A kind of connection structure of precast reinforced concrete beam column and connection method
CN110952659A (en) * 2019-12-23 2020-04-03 三一筑工科技有限公司 Prefabricated column node connecting structure and construction method
CN110952660A (en) * 2019-12-23 2020-04-03 三一筑工科技有限公司 Cavity prefabricated column node connecting structure and construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2186274Y (en) * 1993-11-12 1994-12-28 宋阳生 Wedge-cone type reinforced bar joining apparatus
EP1236839A2 (en) * 2001-02-21 2002-09-04 Erico International Corporation Reinforcing bar connection and method
CN101638913A (en) * 2009-08-21 2010-02-03 中国建筑第八工程局有限公司 Non-stretching straight-thread connection method of concrete beam reinforcing steel bars between two section steel columns
CN201539046U (en) * 2009-11-03 2010-08-04 温岭市保民动力配件厂 Right-and-left threaded coupling sleeve of steel bar
CN205259460U (en) * 2015-11-12 2016-05-25 黎德琳 Extrusion sleeve leads nipple
CN206189588U (en) * 2016-08-22 2017-05-24 沈阳建筑大学 Positive and negative silk braid section of thick bamboo prefabricated concrete structure connected node of half opening of unilateral

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2186274Y (en) * 1993-11-12 1994-12-28 宋阳生 Wedge-cone type reinforced bar joining apparatus
EP1236839A2 (en) * 2001-02-21 2002-09-04 Erico International Corporation Reinforcing bar connection and method
CN101638913A (en) * 2009-08-21 2010-02-03 中国建筑第八工程局有限公司 Non-stretching straight-thread connection method of concrete beam reinforcing steel bars between two section steel columns
CN201539046U (en) * 2009-11-03 2010-08-04 温岭市保民动力配件厂 Right-and-left threaded coupling sleeve of steel bar
CN205259460U (en) * 2015-11-12 2016-05-25 黎德琳 Extrusion sleeve leads nipple
CN206189588U (en) * 2016-08-22 2017-05-24 沈阳建筑大学 Positive and negative silk braid section of thick bamboo prefabricated concrete structure connected node of half opening of unilateral

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643367A (en) * 2018-05-18 2018-10-12 中石化广州工程有限公司 A kind of connection structure of precast reinforced concrete beam column and connection method
CN108643367B (en) * 2018-05-18 2019-09-17 中石化广州工程有限公司 A kind of connection structure and connection method of precast reinforced concrete beam column
CN110952659A (en) * 2019-12-23 2020-04-03 三一筑工科技有限公司 Prefabricated column node connecting structure and construction method
CN110952660A (en) * 2019-12-23 2020-04-03 三一筑工科技有限公司 Cavity prefabricated column node connecting structure and construction method
CN110952659B (en) * 2019-12-23 2020-12-01 三一筑工科技有限公司 Prefabricated column node connecting structure and construction method

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Effective date of registration: 20191216

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