CN101596744A - The continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam - Google Patents
The continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam Download PDFInfo
- Publication number
- CN101596744A CN101596744A CNA2009101042689A CN200910104268A CN101596744A CN 101596744 A CN101596744 A CN 101596744A CN A2009101042689 A CNA2009101042689 A CN A2009101042689A CN 200910104268 A CN200910104268 A CN 200910104268A CN 101596744 A CN101596744 A CN 101596744A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- bellows
- stirrups
- continuity
- colligation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses the continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam, the steps include: 1. according to designing requirement, the unrestricted machining area in the place carries out continuity stirrups and connected longitudinal reinforcement independent colligation, is welded into semi-finished product; 2. whether the empty cavity position that detects in these semi-finished product penetrates the hole interference with the bellows that passes for bellows, and bellows penetrates whether other foreign matters are arranged in the hole; 3. will detect the assigned position that qualified above-mentioned semi-finished product are placed on the reinforced concrete box beam steel, and be connected with vertical main reinforcement and be combined into one.Colligation installation method of the present invention, the restriction of not processed the place, easy to process, improve the colligation speed of stirrup greatly, effectively shorten the case beam production time; Can guarantee bellows smoothly, accurately pass, the case beam make progress and quality guaranteed; Control the continuity stirrups alignment error easily, guarantee the fabrication and installation quality of continuity stirrups and longitudinal reinforcement.
Description
Technical field
The present invention relates to a kind of stirrup colligation installation method of reinforced concrete box beam of building field, especially the continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam.
Background technology
Strength and stiffness for the reinforcing steel bar concrete box girder, one segment distance place (as 1.3m), hogging moment stretching notch (hogging moment stretch-draw compressive region) rear at the reinforced concrete box beam of building field, the continuity stirrups that laterally is provided with multiple tracks (as 23 roads), certain-length (as 1.2m) is arranged, and this continuity stirrups all will be provided with at the two ends of case beam usually; The bellows line of case beam has several, assigned position in all will the continuity stirrups after colligation passes through, therefore must guarantee that continuity stirrups is accurate with the installation site of many lengthways main steel bars (as 33), guarantee that each bellows penetrates and do not have passing of other in the hole as phenomenon obstruction bellowss such as stirrup and lengthways main steel bar colligation installation gross errors.Usually every stirrup concentrates on the beam prefabricated point of case and carries out reinforcing bar binding according to the order of sequence after the reinforcing bar processing space is shaped.In the prior art, after connecting hoop machine-shaping, enter the box girder integral reinforcing bar binding, because stirrup quantity is many and intensive, operation easier is big, work efficiency is low, alignment error is also big, and the phenomenon that can't wear bellows smoothly and then do over again after occurring colligation easily and finishing is wasted the raw-material while, prolonged the case beam again greatly and made the production time, so that the whole duration of influence.
Summary of the invention
After the present invention is directed to the continuous hoop machine-shaping of the reinforced concrete box beam that prior art exists, enter that the big work efficiency of case beam steel overall binding operation easier is low, the easy error in position of stirrup and lengthways main steel bar produces and can't wear bellows and then deficiency such as do over again, and the continuity stirrups colligation installation method of a kind of guard box beam stirrup simple to operation, easy and longitudinal reinforcement fabrication and installation quality, post-stretching prestressed reinforced concrete case beam that work efficiency is high is provided.
Technical scheme of the present invention, the continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam is characterized in that comprising the steps:
(1), according to designing requirement, the unrestricted machining area in the place, continuity stirrups and connected longitudinal reinforcement that the hogging moment stretching notch position of reinforced concrete box beam is needed carry out independent colligation, are welded into semi-finished product;
(2), detect stirrup and connected longitudinal reinforcement colligation and the semi-finished product that are welded in empty cavity position whether penetrate the hole interference with the bellows that passes for bellows, bellows penetrates whether other foreign matters are arranged in the hole; If interference is arranged, should adjust the position of stirrup, guarantee that bellows penetrates foreign matters such as not having stirrup or longitudinal reinforcement in the hole, guarantee that stirrup or longitudinal reinforcement and bellows penetrate between the position in hole not produce location conflicts;
(3), according to technological requirement, in the final stage of the reinforcing bar binding of reinforced concrete box beam, will detect the assigned position that qualified above-mentioned semi-finished product are placed on the reinforced concrete box beam steel, be connected with vertical main reinforcement and be combined into one.
Further feature is: the stirrup and the connected longitudinal reinforcement of the front-end and back-end, hogging moment stretching notch position of reinforced concrete box beam are made respectively, become two groups of semi-finished product.
The continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam of the present invention with respect to prior art, has following characteristics:
1, earlier with stirrup and longitudinal reinforcement colligation, be welded into semi-finished product, last in case beam steel group mutual aid system devised for poor peasants preface, with its directly combination enter to get final product.Do not processed the restriction in place, easy to process, improve the colligation speed of stirrup greatly, effectively shorten the case beam production time.
2, the bellows that can be at any time passes to the section of stirrup processing and colligation, shape, for bellows penetrates the hole and detects.This method, quality testing accurately, easily and fast, so the continuity stirrups of installing can guarantee that all bellows penetrates and do not have foreign matter in the hole, can guarantee thereafter bellows smoothly, accurately pass, the case beam make progress and quality guaranteed.
3, control the continuity stirrups alignment error easily, guarantee the fabrication and installation quality of continuity stirrups and longitudinal reinforcement.
Description of drawings
Fig. 1 is the continuity stirrups arrangement schematic diagram of reinforced concrete box beam;
Fig. 2 is the left view of Fig. 1.
The specific embodiment
The continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam of the present invention comprises the steps:
1, according to designing requirement, the unrestricted machining area in the place, continuity stirrups and connected longitudinal reinforcement that the hogging moment stretching notch position of reinforced concrete box beam is needed carry out independent colligation, are welded into semi-finished product;
During concrete processing and fabricating, the front end of reinforced concrete box beam and the stirrup and the connected longitudinal reinforcement of rear end are made respectively, become two groups of semi-finished product;
2, detect stirrup and connected longitudinal reinforcement colligation and the semi-finished product that are welded in empty cavity position whether penetrate the hole interference with the bellows that passes for bellows, bellows penetrates whether other foreign matters are arranged in the hole; If interference is arranged, should adjust the position of stirrup, guarantee that bellows penetrates foreign matters such as not having stirrup or longitudinal reinforcement in the hole, guarantee that stirrup or longitudinal reinforcement and bellows penetrate between the position in hole not produce location conflicts;
3, according to technological requirement, final stage at the reinforcing bar binding of reinforced concrete box beam, stirrup that detection is qualified and longitudinal reinforcement colligation, the semi-finished product that are welded into are placed on the assigned position of reinforced concrete box beam steel, are connected with vertical main reinforcement to be combined into one.
Be described in detail below in conjunction with accompanying drawing:
In Fig. 1, all there is a hogging moment stretching notch in the two ends of reinforced concrete box beam, in order to strengthen its strength and stiffness etc., in this hogging moment stretching notch zone, all multiple tracks stirrup 1 to be set, stirrup 1 is connected with many longitudinal reinforcements 2, normally the mode of electric welding connects, and forms continuity stirrups.Between stirrup 1 and longitudinal reinforcement 2, reserve bellows and penetrate hole 3, bellows penetrates hole 3 and penetrates for bellows, multiple tracks is arranged, it is 5 roads that the bellows of the reinforced concrete box beam shown in the figure penetrates hole 3, penetrates 5 bellowss respectively, penetrates the prestressed stretch-draw reinforcing bar by bellows again.Because stirrup quantity is many and intensive, the method of operating difficulty is big according to the order of sequence for the conventional beam prefabricated point of case that concentrates on, the stirrup 1 that multiple tracks is intensive and the colligation installation site of many longitudinal reinforcements 2 are easy to generate very mistake, so that the phenomenon that can't penetrate bellows and then do over again after tying up is wasted raw material, has been prolonged the case beam production time greatly.Generally, stirrup 1 is all combined by the identical or different big hoop of a plurality of sizes, little hoop, and this stirrup 1 shown in the drawings is welded to each other by 5 little hoops, 1 or 2 big hoops and constitutes.
The present invention carries out the front end of reinforced concrete box beam and the stirrup 1 and the connected longitudinal reinforcement 2 of rear end independent colligation, is welded into semi-finished product earlier; After qualified after testing, stirrup and longitudinal reinforcement colligation, the semi-finished product that are welded into are placed on the assigned position of reinforced concrete box beam steel, are connected with vertical main reinforcement and are combined into one.
Claims (2)
1, the continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam is characterized in that comprising the steps:
(1), according to designing requirement, the unrestricted machining area in the place, continuity stirrups and connected longitudinal reinforcement that the hogging moment stretching notch position of reinforced concrete box beam is needed carry out independent colligation, are welded into semi-finished product;
(2), detect stirrup and connected longitudinal reinforcement colligation and the semi-finished product that are welded in empty cavity position whether penetrate the hole interference with the bellows that passes for bellows, bellows penetrates whether other foreign matters are arranged in the hole; If interference is arranged, should adjust the position of stirrup, guarantee that bellows penetrates foreign matters such as not having stirrup or longitudinal reinforcement in the hole, guarantee that stirrup or longitudinal reinforcement and bellows penetrate between the position in hole not produce location conflicts;
(3), according to technological requirement, in the final stage of the reinforcing bar binding of reinforced concrete box beam, will detect the assigned position that qualified above-mentioned semi-finished product are placed on the reinforced concrete box beam steel, be connected with vertical main reinforcement and be combined into one.
2, the continuity stirrups colligation installation method of post-stretching prestressed reinforced concrete case beam according to claim 1, it is characterized in that: the hogging moment stretching notch position front end of reinforced concrete box beam and the stirrup and the connected longitudinal reinforcement of rear end are made respectively, become two groups of semi-finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101042689A CN101596744B (en) | 2009-07-06 | 2009-07-06 | Method for binding and mounting continuous stirrups of post-tensioned prestressed reinforced concrete box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101042689A CN101596744B (en) | 2009-07-06 | 2009-07-06 | Method for binding and mounting continuous stirrups of post-tensioned prestressed reinforced concrete box girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101596744A true CN101596744A (en) | 2009-12-09 |
| CN101596744B CN101596744B (en) | 2011-05-11 |
Family
ID=41418419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101042689A Expired - Fee Related CN101596744B (en) | 2009-07-06 | 2009-07-06 | Method for binding and mounting continuous stirrups of post-tensioned prestressed reinforced concrete box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101596744B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092096A (en) * | 2010-11-27 | 2011-06-15 | 中铁三局集团有限公司 | Method for fixing pre-stressed hose of precast beam |
| CN111716520A (en) * | 2020-07-03 | 2020-09-29 | 孟凡林 | Method for clamping-free concrete of prestressed concrete laminated plate bottom plate plane truss reinforcing steel bar |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205029A (en) * | 1974-02-06 | 1980-05-27 | Forrest Esli J | Pre-stressed concrete construction |
| JP3224936B2 (en) * | 1994-03-03 | 2001-11-05 | 日本シイエムケイ株式会社 | Printed wiring board material containing magnetic material in insulating layer |
| CN100572011C (en) * | 2007-08-31 | 2009-12-23 | 中铁二局股份有限公司 | Post-tensioned method prestressed concrete box beam whole opening prefabricated construction method |
| CN101307595A (en) * | 2008-07-09 | 2008-11-19 | 葛洲坝集团第一工程有限公司 | Large-sized aqueduct prestressing force construction method |
-
2009
- 2009-07-06 CN CN2009101042689A patent/CN101596744B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092096A (en) * | 2010-11-27 | 2011-06-15 | 中铁三局集团有限公司 | Method for fixing pre-stressed hose of precast beam |
| CN111716520A (en) * | 2020-07-03 | 2020-09-29 | 孟凡林 | Method for clamping-free concrete of prestressed concrete laminated plate bottom plate plane truss reinforcing steel bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101596744B (en) | 2011-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106649989B (en) | Prefabricated reinforcement cage module decomposition system and method | |
| CN110000305A (en) | One kind is based on BIM reinforcing bar without figureization processing method | |
| CN101596744B (en) | Method for binding and mounting continuous stirrups of post-tensioned prestressed reinforced concrete box girder | |
| CN107816170A (en) | A kind of great diameter and long steel reinforcement cage and its construction method | |
| CN112364428A (en) | BIM technology-based pre-stressed variable cross-section box girder steel bar collision detection method | |
| CN105421341A (en) | Large-diameter pile foundation reinforcement cage manufacturing method | |
| CN110565500B (en) | Intelligent design method for section of steel truss girder rod piece | |
| CN106592867A (en) | Construction method of reinforced concrete beam | |
| KR101184511B1 (en) | Site Reinforcing Method of Thick Wall with Using Plant Welded Steel Bar Frames | |
| CN102094417B (en) | Method for producing steel reinforcement cage by using setting die | |
| CN203569699U (en) | Beam-column joint hooping framework | |
| CN104908885B (en) | A kind of ship forecastle bulwark integral production method | |
| CN109183741B (en) | Method for manufacturing and using special-shaped template of tail water flow channel of power generation plant | |
| CN212271406U (en) | Steel reinforcement cage stirrup interval controlling means | |
| CN202805405U (en) | Automatic production line of centrifugal pile | |
| CN101476295A (en) | Pre-transit construction method of upstroke type movable mold frame bridging machine | |
| CN104727486A (en) | Synthesis technology of prefabricated reinforcement cage | |
| CN105649274B (en) | Internal overarm support, using beam column steel bar framework and its construction technology made of the internal overarm support | |
| CN108532938B (en) | Building frame design method | |
| CN210132636U (en) | Whole ligature device of precast box girder hogging moment notch reinforcing bar | |
| CN113199624A (en) | Precast beam web plate structure suitable for intelligent construction and construction method | |
| CN205438876U (en) | Whole shaping design die carrier of plate -girder steel reinforcement cage | |
| CN101592285B (en) | Method for processing shuttle-shape pipe | |
| CN201429396Y (en) | Cross section detection profiling for controlling installation quality of concrete box girder stirrups | |
| CN112355202B (en) | Cast-in-place pile reinforcement cage main rib mounting and positioning device and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20140706 |
|
| EXPY | Termination of patent right or utility model |