CN104695335B - Upstroke movable framework steel bar overall binding lifting construction engineering method and constructing device - Google Patents
Upstroke movable framework steel bar overall binding lifting construction engineering method and constructing device Download PDFInfo
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- CN104695335B CN104695335B CN201510018530.3A CN201510018530A CN104695335B CN 104695335 B CN104695335 B CN 104695335B CN 201510018530 A CN201510018530 A CN 201510018530A CN 104695335 B CN104695335 B CN 104695335B
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The present invention relates to upstroke movable framework steel bar overall binding lifting construction engineering method and constructing device, casting concrete at the framework of steel reinforcement in exterior sheathing is formed box beam；Strong health preserving, stretch-draw, mud jacking and the sealing off and covering anchorage working procedure such as the box beam pouring molding is carried out；Meanwhile, previous hole is poured on the concrete box girder of molding and mold has been set, assembling reinforcement skeleton along the longitudinal direction on mold.Afterwards upstroke movable framework via advance to next across, after being adjusted in place, being delivered in upstroke movable framework by mold by framework of steel reinforcement, and be hoisted in exterior sheathing achieve synchronization job by boom hoisting by framework of steel reinforcement, the construction period in each hole can shorten about sky.Relative to traditional construction technique, meet large span, large-tonnage and the requirement of high headroom.It is equally applicable simultaneously for the situation that cannot arrange straddle truck walking track under the bridge floors such as offshore construction.
Description
Technical field
The present invention relates to bridge construction technical field, be specifically related to a kind of upstroke movable framework steel bar overall binding lifting construction engineering method and constructing device.
Background technology
Mobile formwork bridge fabrication machine is that one carries template, utilizes cushion cap or pier stud as supporting, bridge carries out the construction machinery of cast in situs.Construction Through Form on Traveler operation is line production, and operation is followed successively by: 1. mobile formwork via, adjust in place；2. at the bottom of colligation, web reinforcement, arrangement prestress steel bundle；3. assembled interior mould；4. colligation roof steel bar, steel strand；5. pour box beam concrete；6. strong health preserving such as grade;7. stretch-draw, mud jacking, sealing off and covering anchorage.The construction period of every Kong Liang is about 18 days.Construction Through Form on Traveler operation just must can carry out next process after last process completes.At present, existing framework of steel reinforcement integral hoisting scheme is: by tie with reinforcing bar molding in steel bar binding clamping fixture, and installing truss hoisting on framework of steel reinforcement increases framework of steel reinforcement rigidity, by 2 straddle trucks, framework of steel reinforcement integral hoisting is entered mould.What this scheme was more applies in the precast concrete beam of Liang Chang is constructed.If Construction Through Form on Traveler takes this kind of scheme, then straddle truck across construction bridges, and need to meet large span, high Clearance requirement, simultaneously need to arrange straddle truck walking track under bridge floor.This kind of scheme major part situation is difficult to carry out, and main cause is as follows: 1. pair straddle truck requires height, it is necessary to meet the requirements such as large span, large-tonnage, high headroom；2., when pier stud excessive height, straddle truck cannot meet construction requirement；3. for straddle truck walking track cannot be arranged under the bridge floors such as offshore construction, it is impossible to meet construction requirement.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of effective shortening construction period and meet large span, the upstroke movable framework steel bar overall binding lifting construction engineering method of high Clearance requirement and constructing device.
The present invention overcomes its technical problem be the technical scheme is that
This upstroke movable framework steel bar overall binding lifting construction engineering method, comprises the steps:
A) casting concrete at the framework of steel reinforcement in exterior sheathing is formed box beam；
B) strong health preserving, stretch-draw, mud jacking and the sealing off and covering anchorage working procedure such as the box beam pouring molding is carried out；
C) while step a) and step b) is constructed, previous hole is poured on the concrete box girder of molding and mold has been set, on mold, in next hole box beam baseplate reinforcing bar of colligation along the longitudinal direction, web reinforcement, arrangement prestress steel bundle, assembly, mould, colligation roof steel bar and steel strand ultimately form framework of steel reinforcement, and the quantity of described framework of steel reinforcement box beam quantity required with in mobile formwork is identical；
D) step a) and step b) construction after, upstroke movable framework via advance to next across；
E), after upstroke movable framework is adjusted in place, framework of steel reinforcement complete for colligation is delivered in upstroke movable framework by mold, and by boom hoisting, framework of steel reinforcement is hoisted in exterior sheathing；
F) step a) to step e) is again performed；
nullPresent invention additionally comprises the constructing device of a kind of upstroke movable framework steel bar overall binding lifting construction engineering method，Including longitudinally disposed mold on concrete box girder、Along longitudinally mounted guide rail II on mold、It is arranged on mold the longitudinal conveying device I for framework of steel reinforcement being transported to upstroke movable framework rear end、Be arranged in upstroke movable framework for the longitudinal conveying device II framework of steel reinforcement being longitudinally moved at concrete box girder in upstroke movable framework and be used for the handling apparatus being hoisted in exterior sheathing by the framework of steel reinforcement in upstroke movable framework，Described mold is provided with the groove matched with framework of steel reinforcement profile，Required box beam quantity length sum matches the length of described groove with in upstroke movable framework，Spacing between two side legs of both sides, described upstroke movable framework rear end is more than the width of framework of steel reinforcement.
Making framework of steel reinforcement for convenience in mold, also include longitudinally disposed guide rail I on concrete box girder, tower crane and be installed on the road wheel I of tower crane lower end, described tower crane is positioned at the rear end of mold.
Above-mentioned longitudinal conveying device I includes the most longitudinally disposed guide rail II in both sides, mold upper end, the lifting truss being positioned at mold upper end and is respectively arranged in some jack of both sides, lifting truss lower end, the lower end of described jack is provided with road wheel II, described mold is slideably positioned on guide rail II by road wheel II, and framework of steel reinforcement utilizes nut fastening to be hung on the lower end of lifting truss by screw rod.
Above-mentioned longitudinal conveying device II includes respectively along longitudinally mounted guide rail III in upstroke movable framework and some travelling jacks, the both sides, lower end of described travelling jack are respectively arranged with several rows travelling wheel III, and described travelling jack is slideably positioned on guide rail III by road wheel III.
Above-mentioned handling apparatus includes being horizontally set at upstroke movable framework rear end and the crossbeam I of front end and crossbeam II, and described crossbeam I and crossbeam II are slidably fitted with lifting overhead traveling crane I and lifting overhead traveling crane II respectively.
In order to prevent interfering, the some middle supporting leg being positioned at two side leg middle position is installed on the rear end of upstroke movable framework by hinge, the tail end of oil cylinder is hinged to be installed on upstroke movable framework, its piston rod head end is hinged to be installed on middle supporting leg, when the piston rod of oil cylinder all stretches out, described middle supporting leg turns to parallel with concrete box girder.
For the ease of mobile mold, above-mentioned mold is slideably positioned on guide rail I by consignment trolley.
The invention has the beneficial effects as follows: due to when framework of steel reinforcement is watered build up concrete box girder time, can carry out at the bottom of colligation simultaneously, web reinforcement, arrangement prestress steel bundle and assembled in the manufacturing process of framework of steel reinforcement of mould, in order to continue during upstroke movable framework via to be quickly transported in exterior sheathing by the framework of steel reinforcement made.Achieving synchronization job, the construction period in each hole can shorten about 5 days.Relative to traditional construction technique, it is not required to straddle truck, therefore meets large span, large-tonnage and the requirement of high headroom.Solve the problem that the straddle truck handling framework of steel reinforcement traditional when pier stud is too high cannot meet construction requirement.It is equally applicable simultaneously for the situation that cannot arrange straddle truck walking track under the bridge floors such as offshore construction.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is that the A-A in Fig. 1 is to cross-sectional view；
Fig. 3 is that the B-B in Fig. 1 is to cross-sectional view；
Fig. 4 is that the C in Fig. 1 is to structural representation；
Fig. 5 is that the D-D in Fig. 1 is to cross-sectional view；
Fig. 6 is that the E-E in Fig. 1 is to cross-sectional view；
In figure, 1. in concrete box girder 2. upstroke movable framework 3. tower crane 4. mold 5. consignment trolley 6., supporting leg 7. side leg 8. crossbeam I 9. crossbeam II 10. lifting overhead traveling crane I 11. lifts by crane overhead traveling crane II 12. travelling jack
13. guide rail I 14. road wheel I 15. lifting truss 16. guide rail II 17. road wheel II 18. framework of steel reinforcement 19. screw rod 20. guide rail III 21. road wheel III 22. exterior sheathings.
Detailed description of the invention
The present invention will be further described for 1 to accompanying drawing 6 below in conjunction with the accompanying drawings.
The present invention overcomes its technical problem be the technical scheme is that
This upstroke movable framework steel bar overall binding lifting construction engineering method, comprises the steps:
A) casting concrete at the framework of steel reinforcement 18 in exterior sheathing 22 is formed box beam；B) strong health preserving, stretch-draw, mud jacking and the sealing off and covering anchorage working procedure such as the box beam pouring molding is carried out；C) while step a) and step b) is constructed, previous hole is poured mold 4 has been set on the concrete box girder of molding, on mold 4, in next hole box beam baseplate reinforcing bar of colligation along the longitudinal direction, web reinforcement, arrangement prestress steel bundle, assembly, mould, colligation roof steel bar and steel strand ultimately form framework of steel reinforcement 18, and the quantity of framework of steel reinforcement 18 box beam quantity required with in mobile formwork is identical；D) step a) and step b) construction after, upstroke movable framework 2 via advance to next across；E) after upstroke movable framework 2 is adjusted in place, framework of steel reinforcement 18 complete for colligation is delivered in upstroke movable framework 2 by mold 4, and by boom hoisting, framework of steel reinforcement 18 is hoisted in exterior sheathing 22；F) step a) to step e) is again performed.Due to when framework of steel reinforcement is watered build up concrete box girder time, can carry out at the bottom of colligation simultaneously, web reinforcement, arrangement prestress steel bundle and assembled in the manufacturing process of framework of steel reinforcement 18 of mould, in order to continue during upstroke movable framework 2 via to be quickly transported in exterior sheathing 22 by the framework of steel reinforcement 18 made.Achieving synchronization job, the construction period in each hole can shorten about 5 days.Relative to traditional construction technique, it is not required to straddle truck, therefore meets large span, large-tonnage and the requirement of high headroom.Solve the problem that the straddle truck handling framework of steel reinforcement 18 traditional when pier stud is too high cannot meet construction requirement.It is equally applicable simultaneously for the situation that cannot arrange straddle truck walking track under the bridge floors such as offshore construction.
nullPresent invention additionally comprises the constructing device of a kind of upstroke movable framework steel bar overall binding lifting construction engineering method，Including longitudinally disposed mold 4 on concrete box girder 1、Along longitudinally mounted guide rail II 16 on mold 4、It is arranged on mold 4 longitudinal conveying device I for framework of steel reinforcement 18 being transported to upstroke movable framework 2 rear end、Be arranged in upstroke movable framework 2 for framework of steel reinforcement 18 being longitudinally moved at concrete box girder 1 longitudinal conveying device II in upstroke movable framework 2 and being used for the framework of steel reinforcement 18 in upstroke movable framework 2 is hoisted to the handling apparatus in exterior sheathing 22，Mold 4 is provided with the groove matched with framework of steel reinforcement 18 profile，Required box beam quantity length sum matches the length of groove with in upstroke movable framework 2，Spacing between two side legs 7 of both sides, upstroke movable framework 2 rear end is more than the width of framework of steel reinforcement 18.Make complete in mold 4 by needing the framework of steel reinforcement 18 used, and be transported in exterior sheathing 22 by longitudinal conveying device I, longitudinal conveying device II and handling apparatus with this, can realize pouring box beam concrete, etc. strong health preserving and when stretch-draw, mud jacking and sealing off and covering anchorage, synchronize to carry out the making of framework of steel reinforcement 18, improve efficiency of construction, meet large span, the requirement of high headroom.
Can also include longitudinally disposed guide rail I 13 on concrete box girder 1, tower crane 3 and be installed on the road wheel I 14 of tower crane 3 lower end, described tower crane 3 is positioned at the rear end of mold 4.When can make framework of steel reinforcement 18 in mold 4 by tower crane 3, the effect playing handling accelerates the make efficiency of framework of steel reinforcement 18.Tower crane 3 can pass through road wheel I
14, along guide rail I 13 vertical shift, further increase the convenience of use.
Longitudinal conveying device I can be following structure, it includes the most longitudinally disposed guide rail II 16 in both sides, mold 4 upper end, the lifting truss 15 being positioned at mold 4 upper end and is respectively arranged in some jack of both sides, lifting truss 15 lower end, the lower end of jack is provided with road wheel II 17, and mold 4 is slideably positioned in guide rail II by road wheel II 17
On 16, framework of steel reinforcement 18 utilizes nut fastening to be hung on the lower end of lifting truss 15 by screw rod 19.After making framework of steel reinforcement 18 in mold 4, screw rod 19 is utilized to be connected fixing by lifting truss 15 with framework of steel reinforcement 18 by nut.Make jack drive lifting truss 15 to rise afterwards, framework of steel reinforcement 18 is departed from from mold.Lifting truss 15 is by the tail end of road wheel II 17 vertical shift to upstroke movable framework 2 afterwards.And be fixed to framework of steel reinforcement 18 on lifting truss 15 transport, the integral rigidity of framework of steel reinforcement 18 can be improved.
Longitudinal conveying device II can be following structure, it includes respectively along longitudinally mounted guide rail III 20 in upstroke movable framework 2 and some travelling jacks 12, the both sides, lower end of travelling jack 12 are respectively arranged with several rows travelling wheel III 21, and travelling jack 12 is slideably positioned on guide rail III 20 by road wheel III 21.After the head end of framework of steel reinforcement 18 enters in upstroke movable framework 2, lifting truss is utilized below nut fastening and travelling jack 12 by screw rod 19, and progressively vertically move in upstroke movable framework 2, and the most successively lifting truss 15 is connected fixing with remaining travelling jack 12, finally realize driving lifting truss 15 framework of steel reinforcement 18 vertical shift in upstroke movable framework 2.
Handling apparatus can be following structure, and it crossbeam I 8 including being horizontally set at upstroke movable framework 2 rear end and front end and crossbeam II 9, crossbeam I 8 and crossbeam II 9 are slidably fitted with lifting overhead traveling crane I 10 and lifting overhead traveling crane II 11 respectively.After framework of steel reinforcement 18 conveying is put in place by travelling jack 12, lifting truss 15 two ends are hung by lifting overhead traveling crane I 10 and lifting overhead traveling crane II 11, and move laterally along crossbeam I 8 and crossbeam II 9, framework of steel reinforcement 18 is hoisted to exterior sheathing 22 and goes out the most at last, it is achieved framework of steel reinforcement 18 transfer put in place.
The some middle supporting leg 6 being positioned at two side leg 7 middle position is installed on the rear end of upstroke movable framework 2 by hinge, the tail end of oil cylinder is hinged to be installed on upstroke movable framework 2, its piston rod head end is hinged to be installed on middle supporting leg 6, when the piston rod of oil cylinder all stretches out, middle supporting leg 6 turns to parallel with concrete box girder 1.Swung by supporting leg in hydraulic oil cylinder driving 6 so that framework of steel reinforcement 18 enters, the most do not affect the support strength of upstroke movable framework.
Mold 4 is slideably positioned on guide rail I 13 by consignment trolley 5.Consignment trolley 5 and tower crane 3 common guide rails I
13, when upstroke movable framework via advance to next across time, mold 4 can be by the complete concrete box girder 1 of the construction of consignment trolley 5 longitudinally walking, in order to next stage continues construction.Further increase convenience.
Claims (7)
- null1. a upstroke movable framework steel bar overall binding lifting construction device，It is characterized in that: include longitudinally disposed mold (4) on concrete box girder (1)、Along longitudinally mounted guide rail II (16) on mold (4)、It is arranged at the upper longitudinal conveying device I for framework of steel reinforcement (18) being transported to upstroke movable framework (2) rear end of mold (4)、Be arranged in upstroke movable framework (2) for longitudinal conveying device II that framework of steel reinforcement (18) is longitudinally moved in upstroke movable framework (2) from concrete box girder (1) and for the framework of steel reinforcement (18) in upstroke movable framework (2) is hoisted to the handling apparatus in exterior sheathing (22)，Described mold (4) is provided with the groove matched with framework of steel reinforcement (18) profile，Required box beam quantity length sum matches the length of described groove with in upstroke movable framework (2)，Spacing between two side legs (7) of described upstroke movable framework (2) both sides, rear end is more than the width of framework of steel reinforcement (18)，The construction using this device is: a) framework of steel reinforcement (18) the place casting concrete in exterior sheathing (22) is formed box beam；B) strong health preserving, stretch-draw, mud jacking and the sealing off and covering anchorage working procedure such as the box beam pouring molding is carried out；C) while step a) and step b) is constructed, previous hole is poured mold (4) has been set on the concrete box girder of molding, on mold (4), in next hole box beam baseplate reinforcing bar of colligation along the longitudinal direction, web reinforcement, arrangement prestress steel bundle, assembly, mould, colligation roof steel bar and steel strand ultimately form framework of steel reinforcement (18), and the quantity of described framework of steel reinforcement (18) box beam quantity required with in mobile formwork is identical；D) step a) and step b) construction after, upstroke movable framework (2) via advance to next across；E) after upstroke movable framework (2) is adjusted in place, framework of steel reinforcement (18) complete for colligation is delivered in upstroke movable framework (2) by mold (4), and by boom hoisting, framework of steel reinforcement (18) is hoisted in exterior sheathing (22)；F) step a) to step e) is again performed.
- Upstroke movable framework steel bar overall binding lifting construction device the most according to claim 1, it is characterized in that: also including longitudinally disposed guide rail I (13) on concrete box girder (1), tower crane (3) and be installed on the road wheel I (14) of tower crane (3) lower end, described tower crane (3) is positioned at the rear end of mold (4).
- Upstroke movable framework steel bar overall binding lifting construction device the most according to claim 1, it is characterized in that: described longitudinal conveying device I includes the most longitudinally disposed in the guide rail II (16) of mold (4) both sides, upper end, it is positioned at the lifting truss (15) of mold (4) upper end and is respectively arranged in some jack of lifting truss (15) both sides, lower end, the lower end of described jack is provided with road wheel II (17), described mold (4) is slideably positioned on guide rail II (16) by road wheel II (17), framework of steel reinforcement (18) utilizes nut fastening to be hung on the lower end of lifting truss (15) by screw rod (19).
- Upstroke movable framework steel bar overall binding lifting construction device the most according to claim 1, it is characterized in that: described longitudinal conveying device II includes respectively along longitudinally mounted guide rail III (20) in upstroke movable framework (2) and some travelling jacks (12), the both sides, lower end of described travelling jack (12) are respectively arranged with several rows travelling wheel III (21), and described travelling jack (12) is slideably positioned on guide rail III (20) by road wheel III (21).
- Upstroke movable framework steel bar overall binding lifting construction device the most according to claim 1, it is characterized in that: described handling apparatus includes being horizontally set at upstroke movable framework (2) rear end and the crossbeam I (8) of front end and crossbeam II (9), described crossbeam I (8) and crossbeam II (9) are slidably fitted with lifting overhead traveling crane I (10) and lifting overhead traveling crane II (11) respectively.
- Upstroke movable framework steel bar overall binding lifting construction device the most as claimed in any of claims 1 to 5, it is characterized in that: the some middle supporting leg (6) being positioned at two side leg (7) middle position is installed on the rear end of upstroke movable framework (2) by hinge, the tail end of oil cylinder is hinged to be installed on upstroke movable framework (2), its piston rod head end is hinged to be installed on middle supporting leg (6), when the piston rod of oil cylinder all stretches out, described middle supporting leg (6) turns to parallel with concrete box girder (1).
- Upstroke movable framework steel bar overall binding lifting construction device the most as claimed in any of claims 1 to 5, it is characterised in that: described mold (4) is slideably positioned on guide rail I (13) by consignment trolley (5).
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| CN201510018530.3A CN104695335B (en) | 2015-01-15 | 2015-01-15 | Upstroke movable framework steel bar overall binding lifting construction engineering method and constructing device |
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| CN104695335B true CN104695335B (en) | 2016-09-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106948266B (en) * | 2016-04-29 | 2018-10-12 | 广东煌烨建设工程有限公司 | A kind of multistage bridge placing installation and its construction method |
| CN105970822B (en) * | 2016-06-03 | 2018-11-30 | 中铁四局集团有限公司 | A kind of 50m double width upstroke movable framework and its corresponding beam-making construction method |
| CN106149639B (en) * | 2016-08-30 | 2018-02-27 | 郑州新大方重工科技有限公司 | A kind of mobile formwork of single rectangle top opening enclosed type water conservancy aqueduct construction |
| CN107338768B (en) * | 2017-08-21 | 2023-04-21 | 中国葛洲坝集团股份有限公司 | Factory type large aqueduct construction system and method |
| CN109162737A (en) * | 2018-10-23 | 2019-01-08 | 中铁四局集团第二工程有限公司 | A kind of self-styled reinforcing steel bar-binding bench vehicle |
| CN114855642B (en) * | 2022-06-07 | 2023-05-26 | 中交第二航务工程局有限公司 | Integral installation method of reinforcement cage of large-span box girder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10317327A (en) * | 1997-05-23 | 1998-12-02 | Nkk Corp | Erection method for bridge and structure for bridge |
| KR20030093680A (en) * | 2002-06-05 | 2003-12-11 | 브이에스엘코리아 주식회사 | The construction method of double-t girder bridge by underslung movable scaffolding system |
| CN101324055A (en) * | 2008-08-06 | 2008-12-17 | 中铁大桥局股份有限公司 | Lifting equipment and method of box girder integral steel reinforcement framework |
| CN201933417U (en) * | 2011-01-30 | 2011-08-17 | 中交三航局第三工程有限公司 | Integral steel reinforcement binding jig suitable for high-speed railway prefabricated box girder |
| CN102605720B (en) * | 2012-03-30 | 2013-12-11 | 中铁四局集团第一工程有限公司 | Integrated construction equipment for binding and lifting continuous beam steel reinforcement framework and construction method |
| CN203096617U (en) * | 2013-02-04 | 2013-07-31 | 中国水利水电第四工程局有限公司 | Integral hoisting device for steel reinforcement cage |
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