CN105317168A - Split-type steel bar sleeve full-grouting joint - Google Patents
Split-type steel bar sleeve full-grouting joint Download PDFInfo
- Publication number
- CN105317168A CN105317168A CN201410306410.9A CN201410306410A CN105317168A CN 105317168 A CN105317168 A CN 105317168A CN 201410306410 A CN201410306410 A CN 201410306410A CN 105317168 A CN105317168 A CN 105317168A
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- Prior art keywords
- sleeve
- grouting
- grout sleeve
- split
- joint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 239000011440 grout Substances 0.000 claims description 47
- 239000008267 milk Substances 0.000 claims description 14
- 210000004080 milk Anatomy 0.000 claims description 14
- 235000013336 milk Nutrition 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 10
- 239000004567 concrete Substances 0.000 abstract description 6
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000011178 precast concrete Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a split-type steel bar sleeve full-grouting joint which is used in assembly-type connection of concrete prefabricated components or cast-in-place reinforced concrete structures in building construction. A split-type full-grouting sleeve is in a split-type structure and is mainly composed of a left grouting sleeve, a right grouting sleeve, and a connecting sleeve or a connecting joint, wherein the connecting sleeve or the connecting joint connects the left grouting sleeve to the right grouting sleeve through corresponding threads and connects the left grouting sleeve and the right grouting sleeve to a to-be-connected steel bar in a grouting manner to finally connect two steel bars to form the split-type steel bar sleeve full-grouting joint. Connections of the left grouting sleeve to the connecting sleeve and the right grouting sleeve to the connecting sleeve can be achieved respectively through a left-hand thread and a right-hand thread or can be achieved through threads in the same direction. The assembly structure allows split individual processing of the full-grouting sleeve so that processing difficulty is greatly reduced, and also allows tubular material processing, which is high in whole processing moulding efficiency, is less in material consumption and is low in cost when compared with round bar steel whole processing. The joint is especially suitable for full-grouting sleeve steel bar connection between prefabricated beams at a small installing distance in horizontal direction or transversal cast-in-place reinforced concrete structures.
Description
Technical field:
The invention discloses in a kind of building operations and to connect for concrete prefabricated element assembling or in monolithic reinforced concrete structure, the Split type steel bar sleeve of bar connecting is in the milk joint entirely.
Background technology:
Precast concrete be equipped with various ways, but mainly to prepare the connection of steel bar stress in prefabricated units, complete the assembling of prefabricated units.Bar splicing obviously can not meet the needs of prefabricated units assembling, and the usual lap length of reinforcing bar is 35d, and the preset clearance at this moment between component is excessive, and cast-in-place part increases greatly.Precast unit factorial praluction loses meaning.And welding procedure also requires to leave between component comparatively large artificial operating clearance, and weld interval is long, and the supporting of component is very difficult.Thus mechanical splice bar connecting becomes unique solution, current mechanical splice is main based on straight thread connector, cold extruded joint, taper thread joint in cast-in-situ concrete, the feature that the connection speed that is wherein threaded is fast and intensity is high, but they generally need certain operating space and are required high to connecting the relative position of reinforcing bar, operability is declined greatly, the construction of this several connected mode is also comparatively complicated, and bar connecting must be completed before fluid concrete, be not suitable for the fabricated construction of precast concrete.For these special circumstances, create new bar connecting system---reinforced bar sleeve grouting joint, its anti-seismic performance is reliable, easy construction, can the reduction of erection time, be applicable to vary in size the connection of Ribbed Bar of diameter, complete bar connecting again after can realizing fluid concrete, more important point is the slitless connection that it has really accomplished between component, solves the difficult problem that precast concrete prefabricated member connects.
Though the reinforced bar sleeve grouting joint for precast concrete assembling construction obtained broad development in nearly 2 years, the reinforced bar sleeve be mainly applied between vertical direction board wall and between post with post is partly in the milk and is connected.Being in the milk to be connected to the concrete prefabricated beam of horizontal direction and reinforced bar sleeve between beam relates to less, and plain bars sleeve half grouting connects the bar connecting be not suitable between horizontal direction precast beam and beam, entirely can only to be in the milk joint with reinforced bar sleeve.The reinforced bar sleeve joint that is entirely in the milk adopts full grout sleeve connecting reinforcement.Because between precast beam and beam, spacing is less, general only slightly larger than full grout sleeve entire length size (full grout sleeve length is greater than 16 times of bar diameters usually), integral type reinforced bar sleeve is adopted entirely to be in the milk joint to install and construction brings very large difficulty, and full grout sleeve entire length is large, grout sleeve inner hole wall is provided with convex, recessed shearing groove, run into the full grout sleeve connected for Large-size rebar, grout sleeve endoporus slenderness ratio is excessive, difficulty of processing is large, process length consuming time, high material consumption, inefficiency, processing cost increases greatly, and machining accuracy cannot ensure, almost cannot realize with machine-tooled method.Adopt casting difficulty large, difficult quality guarantee, cost is high.For this difficult problem, split type full grout sleeve respectively from the processing of materials in the tube two ends, can make endoporus processing length be reduced to 1/4 of former length, solves this processing difficult problem.Make machine produce full grout sleeve and become possibility.Cost is low, precision is high, the invention of the full grout sleeve of the measured machine of matter, for the reinforced bar sleeve joint that is entirely in the milk is applied and laid a good foundation.
Summary of the invention:
The object of this invention is to provide a kind of simple to operate, efficiency is high, consumptive material is few, cost is low, the be in the milk Split type steel bar sleeve that is connected of horizontal direction precast beam and reinforced bar sleeve between beam that is applicable to of dependable performance is in the milk joint entirely, this joint adopts split type full grout sleeve.Feature of the present invention is, split type full grout sleeve is Split type structure, forms primarily of left grout sleeve, right grout sleeve, branch sleeve or jointing.Wherein left and right grout sleeve is threaded togather with corresponding by branch sleeve or jointing, left and right grout sleeve be connected reinforcing bar grouting way and be connected, two bar connecting get up the most at last, form Split type steel bar sleeve and to be entirely in the milk joint.Left and right grout sleeve and branch sleeve or jointing adopt left hand thread to be connected respectively and right-handed thread connects also can all adopt and is threaded in the same way.This combining structure can make full grout sleeve split process separately, greatly reduces difficulty of processing, and tubular object extruding can be adopted than employing round steel bar overall processing and shaping efficiency is high, precision is high, consumptive material is few, cost is low.Higher than casting precision, quality good.
The present invention realizes in the following manner:
The connection of split type full grout sleeve realizes in the following manner, first end cover (6) is inserted in respectively the reinforcing bar to be connected (1) of the structural member of pre-buried good reinforcing bar by specific length (about 9 times of bar diameters), then the reinforcing bar to be connected (1) left grout sleeve (2), right grout sleeve (4) being enclosed within respectively the precast construction part of pre-buried good reinforcing bar is upper and fixed.After lifting components puts in place, use branch sleeve (3) left grout sleeve (2), right grout sleeve (4) to be linked into an integrated entity by left and right screw thread or identical screw thread again, and end cover (6) is enclosed within left grout sleeve (2), right grout sleeve (4) respectively.Namely by filling (row) slurry joint (5) grouting, after filling (row) slurry joint (5) pulp, the connection that Split type steel bar sleeve is in the milk entirely is completed.
Accompanying drawing illustrates: accompanying drawing is that Split type steel bar sleeve is in the milk joint sectional drawing entirely.
Split type full grout sleeve composition comprises: reinforcing bar to be connected (1), left grout sleeve (2), branch sleeve (3), right grout sleeve (4), filling (row) slurry joint (5), end cover (6)
The split type full grout sleeve of the present invention is that complete for integral type grout sleeve is divided into three body combining structures, both is threaded togather with corresponding by branch sleeve or jointing.This split type full grout sleeve ratio adopts the full grout sleeve of the integral type of round steel bar machine-shaping and casting.Easy to process, efficiency is high, consumptive material greatly reduces, material is fully used, cost reduce, be specially adapted to the full grout sleeve bar connecting between the less Liang Yuliang of horizontal direction mounting distance.
The present invention compared with existing product, reasonable in design, material is fully used, and the unnecessary consumption of material greatly reduces, cost reduces, and be widely used, construction technology is easy, dependable performance, easily realizes batch production batch machining, is applicable to the fabricated construction of precast concrete.
Claims (6)
1. split type full grout sleeve composition comprises: reinforcing bar to be connected (1), left grout sleeve (2), branch sleeve (3), right grout sleeve (4), filling (row) slurry joint (5), end cover (6).
2. split type full grout sleeve according to claim 1, it is characterized in that: split type full grout sleeve is Split assembled structure, with branch sleeve or jointing (3), both left grout sleeve (2), right grout sleeve (4) are threaded togather with corresponding.
3. split type full grout sleeve according to claim 1, is characterized in that: left and right grout sleeve (2), (4) and branch sleeve (3) one end adopt left hand thread to connect the other end and adopt right-handed thread to connect also can all to adopt identical being threaded.
4. split type full grout sleeve according to claim 1, is characterized in that: be provided with 3 ~ 5 trapezoidal grooves in left and right grout sleeve (2), (4), the degree of depth of trapezoidal groove is 1.5 ~ 3mm.
5. split type full grout sleeve according to claim 1, it is characterized in that: left and right grout sleeve (2), (4) external diameter are the large footpath of institute's connecting thread, branch sleeve (3) Major Diam corresponding thereto and link together.As adopted jointing, then jointing diameter of thread is less than or equal to trapezoidal groove internal diameter.
6. to be entirely in the milk joint with the Split type steel bar sleeve that split type full grout sleeve connecting reinforcement is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306410.9A CN105317168A (en) | 2014-06-26 | 2014-06-26 | Split-type steel bar sleeve full-grouting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306410.9A CN105317168A (en) | 2014-06-26 | 2014-06-26 | Split-type steel bar sleeve full-grouting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105317168A true CN105317168A (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410306410.9A Pending CN105317168A (en) | 2014-06-26 | 2014-06-26 | Split-type steel bar sleeve full-grouting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105317168A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401191A (en) * | 2016-10-26 | 2017-02-15 | 曲周县和盛新型建筑材料有限公司 | Grouting device for steel shear structure assembling type building and construction method of grouting device |
| CN107991348A (en) * | 2017-12-29 | 2018-05-04 | 中冶建筑研究总院有限公司 | A kind of grouting material plumpness detection method and device |
| CN108037158A (en) * | 2017-12-29 | 2018-05-15 | 中冶建筑研究总院有限公司 | A kind of method and apparatus being detected using metal detection line to grouting material plumpness |
| CN108051480A (en) * | 2017-12-29 | 2018-05-18 | 中冶建筑研究总院有限公司 | A kind of grouting material plumpness detection method and device and grout sleeve |
| CN109838040A (en) * | 2019-01-11 | 2019-06-04 | 东南大学 | A kind of material muscle connector and connection method again |
| CN114994293A (en) * | 2022-05-09 | 2022-09-02 | 北京城建亚泰宏禹建筑装饰工程有限公司 | A test piece operating frame suitable for grouting sleeves of prefabricated components |
-
2014
- 2014-06-26 CN CN201410306410.9A patent/CN105317168A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401191A (en) * | 2016-10-26 | 2017-02-15 | 曲周县和盛新型建筑材料有限公司 | Grouting device for steel shear structure assembling type building and construction method of grouting device |
| CN107991348A (en) * | 2017-12-29 | 2018-05-04 | 中冶建筑研究总院有限公司 | A kind of grouting material plumpness detection method and device |
| CN108037158A (en) * | 2017-12-29 | 2018-05-15 | 中冶建筑研究总院有限公司 | A kind of method and apparatus being detected using metal detection line to grouting material plumpness |
| CN108051480A (en) * | 2017-12-29 | 2018-05-18 | 中冶建筑研究总院有限公司 | A kind of grouting material plumpness detection method and device and grout sleeve |
| CN109838040A (en) * | 2019-01-11 | 2019-06-04 | 东南大学 | A kind of material muscle connector and connection method again |
| CN114994293A (en) * | 2022-05-09 | 2022-09-02 | 北京城建亚泰宏禹建筑装饰工程有限公司 | A test piece operating frame suitable for grouting sleeves of prefabricated components |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160210 |