CN106223213B - The system and method for inside and outside combination type prestressed wire cable strengthening cored slab - Google Patents
The system and method for inside and outside combination type prestressed wire cable strengthening cored slab Download PDFInfo
- Publication number
- CN106223213B CN106223213B CN201610705623.8A CN201610705623A CN106223213B CN 106223213 B CN106223213 B CN 106223213B CN 201610705623 A CN201610705623 A CN 201610705623A CN 106223213 B CN106223213 B CN 106223213B
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- cored slab
- main
- hole
- rope
- thread
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0244—Increasing or restoring the load-bearing capacity of building construction elements of beams at places of holes, e.g. drilled in them
Abstract
The invention discloses a kind of system of inside and outside combination type prestressed wire cable strengthening cored slab, including cored slab and ruggedized construction, ruggedized construction includes one group of bar planting being anchored in cored slab；The main rope being respectively arranged in the hole of cored slab with plate bottom, main rope one end are anchored after taking root in muscle around wherein one with extruding anchor head, other end connection main thread sleeve；Also include branch sleeve, branch sleeve is connected with main thread bar and deputy thread bar, main thread bar connection main thread sleeve, deputy thread bar auxiliary connection screw shell；Deputy thread sleeve and another take root between muscle are provided with secondary steel wire rope；In the hole of cored slab and plate bottom is provided with grouting material, grouting material wrapped strengthening structure.After applying prestressing force to steel wire rope, the reinforcing to cored slab can be efficiently realized, the bearing capacity and rigidity of cored slab can be significantly improved；Hollow plate face and decoration need not be destroyed；It is convenient to construct, it is not necessary to large scale equipment, and cable tensios control precision is high.
Description
Technical field
The present invention relates to civil engineering technical field of transportation, is specifically combination type prestressed wire cable strengthening cored slab inside and outside one kind
System and method.
Background technology
Due to the influence of material aging, construction quality, nature or the factor such as artificial, existing many bridge houses cored slab
Structure is suddenly to be repaired and reinforces, and countries in the world will expend huge fund for this every year.The reinforcement technique of existing cored slab mainly has increasing
Heavy in section method, reinforcement by sticking of sheets, paste fibrous composite method for strengthening, setting support method for strengthening, steel strand wires mesh sheet-polymer sand
Starch method for strengthening etc..Existing reinforcement means is primarily present problems with：(1) Stress resort effect between reinforcement material and original component be present
Should, cooperation ability is poor, largely effects on consolidation effect；(2) reinforcement material end anchorage length is inadequate, easily finds anchoring
The stripping damage at end, it is impossible to give full play to the strength of materials；(3) increase the sectional dimension of original component, increase deadweight, influence to sight
And use.And current reinforcement means is that plate and wall are each reinforced, it is impossible to the globality of effective enhancing structure.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides combination type prestressed inside and outside one kind
The system and method for wire cable strengthening cored slab.
Technical scheme：In order to solve the above technical problems, combination type prestressed wire cable strengthening is empty inside and outside one kind of the present invention
The system of core, including cored slab and ruggedized construction, ruggedized construction include one group of bar planting being anchored in cored slab；In cored slab
Hole in and the main rope that is respectively arranged of plate bottom, main rope one end taken root in around wherein one after muscle with extruding anchor head anchor
Gu the other end connects main thread sleeve；Also include branch sleeve, branch sleeve is connected with main thread bar and deputy thread bar, main spiral shell
Rasp bar connects main thread sleeve, deputy thread bar auxiliary connection screw shell；Deputy thread sleeve and another take root between muscle are provided with secondary steel
Cord；In the hole of cored slab and plate bottom is provided with grouting material, grouting material wrapped strengthening structure.
Wherein, main rope one end is anchored after bypassing bar planting by extruding anchor head, and the other end leads to after passing through main thread sleeve
Cross the anchoring of extruding anchor head；Secondary steel wire rope one end is anchored after bypassing another bar planting by extruding anchor head, and the other end passes through deputy thread set
Anchored after cylinder by extruding anchor head.
Wherein, extruding anchor head is made by soft material, is inside provided with hole, main rope and secondary steel wire penetrating extruding anchor head
Afterwards, the extruding anchor head is extruded with instrument, reaches the purpose of anchoring main rope and secondary steel wire rope.
Wherein, after deputy thread bar passes through branch sleeve, anchored in its end with nut.
Wherein, it is connected through a screw thread between main thread bar and branch sleeve.
Wherein, main thread sleeve is provided with longitudinal inner thread hole at one end with deputy thread sleeve, and the other end is provided with horizontal nothing
Screwed hole, longitudinal inner thread hole are used to be connected with main thread bar and deputy thread bar, and horizontal unthreaded hole is used to connect main rope
With secondary steel wire rope.
A kind of method of inside and outside combination type prestressed wire cable strengthening cored slab, comprises the following steps：
(1) punched in cored slab relevant position, bar planting is installed；
(2) in hollow plate holes and plate bottom is respectively arranged main rope and secondary steel wire rope, main rope and secondary steel wire rope
It Rao Guo not anchored after bar planting with extruding anchor head；
(3) after the other end of main rope is around the hole of main thread sleeve, anchored with extruding anchor head；Secondary steel wire rope it is another
It is same to be anchored with extruding anchor head after end is around the hole of deputy thread sleeve；
(4) by the internal thread of main thread bar precession main thread sleeve；By the interior spiral shell of deputy thread bar precession deputy thread sleeve
In line；
(5) in the internal thread hole of main thread bar precession branch sleeve, after deputy thread bar passes through unthreaded hole, nut is installed；
(6) nut is tightened with instrument, and by controlling the torsion of instrument, reaches the prestressing force of main rope and secondary steel wire rope
To design load；
(7) grouting material is irrigated and smeared respectively in the hole of cored slab and plate bottom, reach protection main rope, secondary steel wire rope
And the purpose of smooth cored slab.
Beneficial effect：A kind of system and method for inside and outside combination type prestressed wire cable strengthening cored slab of the present invention, tool
There is following beneficial effect：
1st, after applying prestressing force to steel wire rope, the reinforcing to cored slab can be efficiently realized, can be significantly improved hollow
The bearing capacity and rigidity of plate；
2nd, because steel wire rope is mounted in the plate bottom and hole of cored slab, thus reinforce need not destroy hollow plate face and
Decoration, does not influence to sight and use；
3rd, prestressing force dexterously is applied to steel wire rope by twisting nut can and realizing, and by controlling the torsion of instrument
To reach the stretching force of control steel wire rope, construction is convenient, it is not necessary to large scale equipment, and cable tensios control precision is high；
4th, reinforced simultaneously inside and outside cored slab, take full advantage of space, and it is dual-purpose to realize in plate end an anchor, it is economical
Efficiently.
Brief description of the drawings
Fig. 1 is the structural map of combination type prestressed wire cable strengthening cored slab system inside and outside the present invention.
In figure, 1- cored slabs, 2- bar plantings, 3- main ropes, 4- extruding anchor heads, 5- main thread sleeves, 6- main thread bars, 7-
Branch sleeve, 8- unthreaded holes, 9- internal thread holes, 10- nuts, 11- grouting materials, 12- walls or post, 13- deputy thread bars；14- pairs
Screw shell；15- pair steel wire ropes.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of system of inside and outside combination type prestressed wire cable strengthening cored slab as shown in Figure 1, including installed in wall or
Cored slab 1 on post 12 and the ruggedized construction being arranged on inside cored slab 1, ruggedized construction include one be anchored in cored slab 1
Group bar planting 2；The main rope 3 being respectively arranged in the hole of cored slab 1 with plate bottom, the one end of main rope 3 bypass wherein one
Anchored after bar planting with extruding anchor head 4, other end connection main thread sleeve 5；Also include branch sleeve 7, branch sleeve 7 is connected with master
Threaded rod 6 and deputy thread bar 13, main thread bar 6 connect main thread sleeve 5, the auxiliary connection screw shell 14 of deputy thread bar 13；Secondary spiral shell
Line sleeve 14 and another take root between muscle are provided with secondary steel wire rope 15；In the hole of cored slab 1 and plate bottom is provided with grouting material 11, fills
The wrapped strengthening structure of slurry 11.The one end of main rope 3 is anchored after bypassing bar planting by extruding anchor head, and the other end passes through main thread set
Anchored after cylinder 5 by extruding anchor head；Secondary one end of steel wire rope 15 is anchored after bypassing another bar planting by extruding anchor head, and the other end passes through
Anchored after deputy thread sleeve 14 by extruding anchor head.Extruding anchor head 4 is made by soft material, is inside provided with hole, the He of main rope 3
Secondary steel wire rope 15, with the instrument extruding extruding anchor head 4, reaches anchoring main rope 3 and secondary steel wire rope through after extruding anchor head 4
15 purpose.After deputy thread bar 13 passes through branch sleeve 7, anchored in its end nut 10.Main thread bar 6 and branch sleeve 7
Between be connected through a screw thread.Main thread sleeve 5 is provided with longitudinal inner thread hole at one end with deputy thread sleeve 14, and the other end is provided with
Horizontal unthreaded hole, longitudinal inner thread hole are used to be connected with main thread bar 6 and deputy thread bar 13, and horizontal unthreaded hole is used to connect
Main rope 3 and secondary steel wire rope 15.
The present invention also provides a kind of method of inside and outside combination type prestressed wire cable strengthening cored slab, comprises the following steps：
(1) punched in the relevant position of cored slab 1, bar planting 2 is installed；
(2) in the hole of cored slab 1 and plate bottom is respectively arranged main rope 3 and secondary steel wire rope 15, main rope 3 and secondary steel
Cord 15 is anchored after bypassing bar planting respectively with extruding anchor head；
(3) after the other end of main rope 3 is around the hole of main thread sleeve 5, anchored with extruding anchor head；Secondary steel wire rope 15
It is same to be anchored with extruding anchor head after the other end is around the hole of deputy thread sleeve 14；
(4) by the internal thread of the precession main thread sleeve 5 of main thread bar 6；By the precession deputy thread sleeve 14 of deputy thread bar 13
Internal thread in；
(5) in the internal thread hole 9 of the precession branch sleeve 7 of main thread bar 6, after deputy thread bar 13 passes through unthreaded hole 8, installation
Nut 10；
(6) nut 10 is tightened with instrument, and by controlling the torsion of instrument, makes the pre- of main rope 3 and secondary steel wire rope 15
Stress reaches design load；
(7) grouting material 11, is irrigated and smears respectively in the hole of cored slab 1 and plate bottom, grouting material 11 covers ruggedized construction,
Reach the purpose of protection main rope 3, secondary steel wire rope 15 and smooth cored slab 1.
Described above is only the preferred embodiment of the present invention, it should be pointed out 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 (6)
- A kind of 1. system of inside and outside combination type prestressed wire cable strengthening cored slab, it is characterised in that：Including cored slab（1）And add Fixing structure, ruggedized construction include being anchored in cored slab（1）One group of interior bar planting（2）；In cored slab（1）Hole in and plate bottom point The main rope do not arranged（3）, main rope（3）One end is taken root in after muscle around wherein one and uses extruding anchor head（4）Anchoring, the other end Connect main thread sleeve（5）；Also include branch sleeve（7）, branch sleeve（7）It is connected with main thread bar（6）With deputy thread bar （13）, main thread bar（6）Connect main thread sleeve（5）, deputy thread bar（13）Auxiliary connection screw shell（14）；Deputy thread sleeve （14）Secondary steel wire rope is provided with another take root between muscle（15）；In cored slab（1）Hole in and plate bottom be provided with grouting material（11）, Grouting material（11）Wrapped strengthening structure；Deputy thread bar（13）Through branch sleeve（7）Afterwards, in its end nut（10）Anchoring.
- 2. the system of inside and outside combination type prestressed wire cable strengthening cored slab according to claim 1, it is characterised in that：Its In, main rope（3）One end is anchored after bypassing bar planting by extruding anchor head, and the other end passes through main thread sleeve（5）Afterwards by squeezing Press anchor head anchoring；Secondary steel wire rope（15）One end is anchored after bypassing another bar planting by extruding anchor head, and the other end passes through deputy thread set Cylinder（14）Anchored afterwards by extruding anchor head.
- 3. the system of inside and outside combination type prestressed wire cable strengthening cored slab according to claim 2, it is characterised in that：Its In, extrude anchor head（4）Made by soft material, be inside provided with hole, main rope（3）With secondary steel wire rope（15）Through extruding anchor head （4）Afterwards, the extruding anchor head is extruded with instrument（4）, reach anchoring main rope（3）With secondary steel wire rope（15）Purpose.
- 4. the system of inside and outside combination type prestressed wire cable strengthening cored slab according to claim 1, it is characterised in that：Its In, main thread bar（6）With branch sleeve（7）Between be connected through a screw thread.
- 5. the system of inside and outside combination type prestressed wire cable strengthening cored slab according to claim 1, it is characterised in that：Its In, main thread sleeve（5）With deputy thread sleeve（14）Longitudinal inner thread hole is provided with one end, and the other end is provided with horizontal non-threaded Hole, longitudinal inner thread hole are used for and main thread bar（6）With deputy thread bar（13）Connection, horizontal unthreaded hole are used to connect king wire Rope（3）With secondary steel wire rope（15）.
- A kind of 6. method of inside and outside combination type prestressed wire cable strengthening cored slab, it is characterised in that comprise the following steps：（1）In cored slab（1）Relevant position is punched, and installs bar planting（2）；（2）In cored slab（1）In hole and plate bottom is respectively arranged main rope（3）With secondary steel wire rope（15）, main rope（3）With Secondary steel wire rope（15）Anchored after bypassing bar planting respectively with extruding anchor head；（3）Main rope（3）The other end bypass main thread sleeve（5）Horizontal unthreaded hole after, with extruding anchor head anchor；It is secondary Steel wire rope（15）The other end bypass deputy thread sleeve（14）Horizontal unthreaded hole after, it is same to be anchored with extruding anchor head；（4）By main thread bar（6）Precession main thread sleeve（5）Longitudinal inner thread hole in；By deputy thread bar（13）Precession pair spiral shell Line sleeve（14）Longitudinal inner thread hole in；（5）Main thread bar（6）Precession branch sleeve（7）Internal thread hole（9）In, deputy thread bar（13）Through unthreaded hole（8） Afterwards, nut is installed（10）；（6）Nut is tightened with instrument（10）, and by controlling the torsion of instrument, make main rope（3）With secondary steel wire rope（15）'s Prestressing force reaches design load；（7）In cored slab（1）Hole and plate bottom irrigate and smear respectively grouting material（11）, reach protection main rope（3）, it is secondary Steel wire rope（15）And smooth cored slab（1）Purpose.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705623.8A CN106223213B (en) | 2016-08-22 | 2016-08-22 | The system and method for inside and outside combination type prestressed wire cable strengthening cored slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705623.8A CN106223213B (en) | 2016-08-22 | 2016-08-22 | The system and method for inside and outside combination type prestressed wire cable strengthening cored slab |
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| Publication Number | Publication Date |
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| CN106223213A CN106223213A (en) | 2016-12-14 |
| CN106223213B true CN106223213B (en) | 2018-02-27 |
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| CN201610705623.8A Active CN106223213B (en) | 2016-08-22 | 2016-08-22 | The system and method for inside and outside combination type prestressed wire cable strengthening cored slab |
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| CN110748185A (en) * | 2019-10-25 | 2020-02-04 | 中国林业科学研究院木材工业研究所 | In-situ bar planting pouring and reinforcing method for partially rotten ancient building wood beam |
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| KR20100053847A (en) * | 2008-11-13 | 2010-05-24 | 한국건설기술연구원 | Structure reinforcing apparatus and method for srtucture reinforcement under concrete surface |
| CN201531123U (en) * | 2009-09-24 | 2010-07-21 | 马人乐 | Earthquake-proof fall protection reinforcing member of prefabricated porous floor |
| CN201874250U (en) * | 2010-10-21 | 2011-06-22 | 王三智 | Reinforcing device for slab in concrete structure |
| CN104074368A (en) * | 2014-06-27 | 2014-10-01 | 湖南省交通科学研究院 | Concrete structure reinforcing method, self-anchored prestress assembly, assembled tensioning assembly |
| KR20160028162A (en) * | 2014-09-03 | 2016-03-11 | 청주대학교 산학협력단 | Repair/reinforcement method of land reclamation type using Steel wire rope |
| CN205189435U (en) * | 2015-10-21 | 2016-04-27 | 盐城工学院 | Reinforced concrete reinforced structure |
| CN206070397U (en) * | 2016-08-22 | 2017-04-05 | 东南大学 | The system of inside and outside combination type prestressed wire cable strengthening cored slab |
-
2016
- 2016-08-22 CN CN201610705623.8A patent/CN106223213B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100053847A (en) * | 2008-11-13 | 2010-05-24 | 한국건설기술연구원 | Structure reinforcing apparatus and method for srtucture reinforcement under concrete surface |
| CN201531123U (en) * | 2009-09-24 | 2010-07-21 | 马人乐 | Earthquake-proof fall protection reinforcing member of prefabricated porous floor |
| CN201874250U (en) * | 2010-10-21 | 2011-06-22 | 王三智 | Reinforcing device for slab in concrete structure |
| CN104074368A (en) * | 2014-06-27 | 2014-10-01 | 湖南省交通科学研究院 | Concrete structure reinforcing method, self-anchored prestress assembly, assembled tensioning assembly |
| KR20160028162A (en) * | 2014-09-03 | 2016-03-11 | 청주대학교 산학협력단 | Repair/reinforcement method of land reclamation type using Steel wire rope |
| CN205189435U (en) * | 2015-10-21 | 2016-04-27 | 盐城工学院 | Reinforced concrete reinforced structure |
| CN206070397U (en) * | 2016-08-22 | 2017-04-05 | 东南大学 | The system of inside and outside combination type prestressed wire cable strengthening cored slab |
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| CN106223213A (en) | 2016-12-14 |
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