CN103074854A - Rear supporting point triangular bracket hanging basket and bridge construction method using same - Google Patents
Rear supporting point triangular bracket hanging basket and bridge construction method using same Download PDFInfo
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- CN103074854A CN103074854A CN201310025479XA CN201310025479A CN103074854A CN 103074854 A CN103074854 A CN 103074854A CN 201310025479X A CN201310025479X A CN 201310025479XA CN 201310025479 A CN201310025479 A CN 201310025479A CN 103074854 A CN103074854 A CN 103074854A
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Abstract
The invention discloses a rear supporting point triangular bracket hanging basket, which comprises (1) a bearing platform, (2) a suspension fixing system used for supporting and fixing the bearing platform on poured concrete; (3) a template system, and (4) a walking system. The rear supporting point triangular bracket hanging basket provide by the invention is supported and fixed on a poured edge main girder through hanging arms arranged at the middle part and the rear part of the hanging basket; the front part extending forwards is a suspension arm which can be used for bearing the pouring construction of the edge main girder, thus, a bridge guy cable does not need to bear forces, in such a way, the overall hanging basket system is stressed uniformly, the appearance of the hanging basket is more light, and the mobile construction operation can be carried out more conveniently; on the other hand, by adopting the triangular bracket hanging basket, a construction way of pouring the edge main girder firstly and then pouring a rear bridge top plate and a transverse partition plate can be adopted; the edge main girder, the top plate and the transverse plate are constructed separately in order, thus, the adverse influence of the edge main girder pretensioned force to the top plate is solved, the edge main girder pretensioned force can be ensured not being shared and weakened by the top plate, and moreover, the pretensioned force can be applied to the edge main girder more correctly.
Description
Technical field
The present invention relates generally to bridge cast-in-place box beam technical field of construction, in particular for the Hanging Basket of cable stayed bridge cantilever casting construction.
Background technology
In recent years, along with the development of China's economic construction, the bridge of crossing over great river, great river and valley is also more and more.Because cable stayed bridge has good mechanical property, construction relatively economical, view grace, is playing the part of important role in the Large Span Bridges construction.
For the wide main girder construction that reaches 30～40m of cable stayed bridge, how to guarantee main girder construction quality and structure durability, the design of construction hanging basket is very important.Because the cast-in-place sections of girder standard section is wide, the girder height is high, panel is thick, and Design of Main Structure is high to Hanging Basket deadweight and rigidity requirement with monitoring, hangs blue design and must satisfy characteristics lightweight, that rigidity is large and comprehensive technical indexes is high.Hang blue load-carrying members as cantilever construction, hang the whether reasonable construction quality that is related to whole bridge of blue design.Present cable stayed bridge concrete box girder adopts traditional Hanging basket on front support to carry out cantilever casting construction, and it utilizes suspension cable as Hanging Basket front fulcrum drag cable, and rear anchor point anchor is in watering on the beam section base plate, and central bearing point is supported in C shape hook and waters the girder end face.There is following problem in the tradition Hanging basket on front support:
(1) built-in fitting is more in the work progress, and built-in fitting can't reclaim, and waste of material is serious.
(2) restriction of suspension cable position is larger.
Open day is on November 30th, 2011, publication number is CN202055176U, denomination of invention discloses a kind of Hanging Basket for the Chinese utility model patent of " the rachis face is chosen greatly arm main beam structure composite hanging basket ", it comprises the bridge floor main couple, connects carrying platform under the bridge floor main couple, and the bridge floor main couple is located at respectively the both sides of choosing greatly the arm girder, carrying platform comprises main frame, the main frame both sides connect the carrying platform truss, establish soffit formwork on the main frame, and the carrying platform truss is established side template; Establish haulage gear between bridge floor main couple and the main frame; Choose greatly between arm girder and main frame and establish walking mechanism; Establish thrust mechanism behind the main frame, establish lifting body behind the main frame.Adopt on the whole case beam main frame and truss combining structure to consist of the carrying platform of Hanging Basket, the rigidity of control Hanging Basket also reduces the deadweight of Hanging Basket.This Hanging Basket is applicable to the constructing operation that the rachis face is chosen greatly the arm main beam structure.
Open day is on September 14th, 2011, publication number is CN201972099U, denomination of invention discloses a kind of Hanging Basket for the Chinese utility model patent of " the lower support type Hanging Basket in the bridge construction ", it has two main couples, be the inverted trapezoidal trussed construction, between the afterbody of upper chord and the bottom surface of box beam flange plate upper chord be set and shore jack; Upper hanger after arranging between the middle part of upper chord and the rear top rail; Front end at chord member is connected with front top rail; Upper hanger after arranging between the middle part of lower chord and the rear lower transverse beam; Suspension rod is connected before between front top rail and front lower transverse beam; Each end basket longeron that be arranged in parallel is fixedly connected between described front lower transverse beam and the rear lower transverse beam; The Hanging Basket bed die is fixedly installed on the end basket longeron, and the Hanging Basket side form is positioned at the inboard of two main couples.This Hanging Basket has mainly improved the mode out of shape of Hanging Basket.
Open day is on November 30th, 2011, publication number is CN202055183U, denomination of invention discloses a kind of Hanging Basket for the Chinese utility model patent of " construction hanging basket for arched bridge formed by suspension casting ", it comprises the construction hanging basket body that backform, soffit formwork and side template, inner formword consist of, suspension system is connected with inner formword with soffit formwork, the front portion of suspension system is connected with the load-bearing main couple, and load-bearing main couple below is provided with the walking track; The load-bearing main couple is provided with sliding beam, sliding beam is provided with slide block and fixed block, be connected with slide block between slide block and the fixed block and move governor motion, slide block is provided with supporting shaft, swinging block is arranged on the supporting revolving shaft, vertical suspension rod passes swinging block and is connected with side template, is connected with the varied angle thrust brake on the load-bearing main couple.This Hanging Basket can be used for the arch bridge case beam of vertically segmentation of arch ring builds, and the case beam that can be used for the different cross section open type is built etc.
Above-mentioned Hanging Basket all is not suitable for the construction of cable stayed bridge cantilever elder generation's girder back axle panel and crossbeam concrete.
Summary of the invention
In order to reach the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of rear fulcrum shelf bracket Hanging Basket is characterized in that comprising:
(1) carrying platform, it comprises
-left main longitudinal grider from bridge to paired setting and right main longitudinal grider along, left and right main longitudinal grider bottom is respectively equipped with diagonal brace, consists of the inverted triangular truss structure with main longitudinal grider,
The first crossbeam of the left and right main longitudinal grider mid point of-connection,
The second cross beam of the end of the left and right main longitudinal grider rear side of-connection,
-being arranged at the first upper arm of left and right main longitudinal grider mid point, the first upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, and the suspension part end is provided with the piston shoes that are connected with walking mechanism,
-be arranged at the second upper arm of left and right main longitudinal grider rear side, the second upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, the suspension part end is provided with road wheel, the first upper arm and the second upper arm are fixed in builds edge-beam, makes left and right main longitudinal grider become the semi girder that extends forward;
(2) be used for carrying platform is supported the suspention fixed system that is fixed on the concreting;
(3) template system, described template system comprise template and the control machinery that template is carried out matched moulds and die sinking operation;
(4) running gear, described running gear comprise that one promotes the vertically hydraulic system of reach of shelf bracket Hanging Basket.
Above-mentioned shelf bracket Hanging Basket also comprises described carrying platform is fixed in suspention fixed system on the pouring concrete.
For the ease of constructing operation, described shelf bracket Hanging Basket also comprises the construction operation platform of building in the main longitudinal grider surface.
Furthermore, described template system comprises edge-beam template and roof plate template, diaphragm template, and described edge-beam template system is positioned on the semi girder that left and right main longitudinal grider extends forward.
Described running gear comprises and is removably installed in walking track, hydraulic jack and the slide lock device of building the edge-beam upper surface, hydraulic jack one end is connected in the piston shoes on the first upper arm, the other end is connected in slide lock device, described slide lock device is arranged on the walking track, can follow away track and slide, and be fixed in the walking track by connector.
Described running gear also comprises along bridge to the stopper slot that is arranged on the concreting, and described walking track and described stopper slot be adaptive to be connected and can to move along described stopper slot, and described walking track is anchored in concreting by connector.
The main body of described the first upper arm and the second upper arm is the hollow box-structure.Upper arm leaves neutral, interferes in the time of can effectively avoiding the diaphragm prestressed stretch-draw.
A kind of method for bridge construction, it may further comprise the steps:
(1) builds edge-beam: as above arbitrary described shelf bracket Hanging Basket direction across bridge is transferred be mounted to cross-section of bridge, the first upper arm and the second upper arm are anchored in the edge-beam of having built, and utilize the edge-beam template system that is positioned at the left and right main longitudinal grider cantilever beam section of shelf bracket Hanging Basket that bridge arranged on left and right sides edge-beam is carried out pouring construction simultaneously;
(2) running gear promotes the arranged on left and right sides edge-beam reach that the shelf bracket Hanging Basket is built along step (1), then builds top board and diaphragm between two edge-beams after reach puts in place;
(3) repeat the step that (1) reaches (2).
The present invention also provides another kind of method for bridge construction, it is characterized in that may further comprise the steps:
(1) lays Hanging Basket rear fulcrum shelf bracket as claimed in claim 6 Hanging Basket along cross-section of bridge, prepare to carry out the construction of N sections edge-beam;
(2) described walking track is pulled to the N-1 sections edge-beam surface of having built, anchoring;
(3) bow member of rear fulcrum shelf bracket Hanging Basket is transferred, make the first upper arm piston shoes and the second upper arm road wheel contact respectively the walking track, the first upper arm piston shoes are fixedly connected with hydraulic jack, the hydraulic jack other end is connected with slide lock device, by the suspention fixed system the first upper arm and the second upper arm is supported to be fixed in and builds edge-beam;
(4) carry out N sections edge-beam pouring construction, after concrete strength reaches the requirement stretching force, prepare to move the basket operation;
(5) remove the locking of suspention fixed system, hydraulic jack effect pushing tow piston shoes, thus make Hanging Basket integral forward lead to the N sections, put in place the locking of rear dismounting slide lock device of hanging basket advancing, reach hydraulic jack pedestal makes the piston rod retraction;
(6) promote Hanging Basket, promote bow member, carry out the pouring construction of N sections top board and diaphragm; ,
(7) repeating step 2～step 6 has been finished the construction of bed rearrangement bridge.
Rear fulcrum shelf bracket Hanging Basket of the present invention, the del structure bottom it more meets the principle of the beam of uniform strength, and material is fully utilized, and good stress balance can be provided for the suspension on top is stressed.Hanging Basket is supported and fixed on by the upper arm that is arranged at middle part and rear portion and builds on the edge-beam, and the front portion of extending forward then becomes the pouring construction that cantilever can carry edge-beam.Do not need bridge to draw cable to carry out stressed, stressed even on the Hanging Basket entire system like this, more light and handy on the profile, and be convenient to carry out mobile constructing operation.On the other hand, by this shelf bracket Hanging Basket, the present invention can adopt that first edge-beam is built, the form of construction work of axle casing top board and diaphragm.Edge-beam and top board and diaphragm be construction separately successively, has well solved the adverse effect of edge-beam prestressing force to top board, has guaranteed that edge-beam prestressing force is not shared by top board to slacken, and can apply prestressing force to edge-beam more accurately.
Description of drawings
Fig. 1 is the perspective view of rear fulcrum shelf bracket Hanging Basket of the present invention.
Fig. 2 a is the schematic diagram that rear fulcrum shelf bracket Hanging Basket of the present invention is installed on cross-section of bridge, prepares to carry out the edge-beam construction among this figure.
Fig. 2 b is the side schematic view corresponding to the Hanging Basket of Fig. 2 a step.
Fig. 3 is the schematic diagram that rear fulcrum shelf bracket Hanging Basket of the present invention is installed on cross-section of bridge, and this figure is that bow member is transferred state.
Fig. 4 a is the schematic diagram that rear fulcrum shelf bracket Hanging Basket of the present invention is installed on cross-section of bridge, and this figure is the schematic diagram that Hanging Basket is transferred.
Fig. 4 b is the Hanging Basket side schematic view, and this moment is for bow member is transferred, Hanging Basket is transferred state.
Fig. 5 is the Hanging Basket side schematic view, and hydraulic jack effect this moment pushing tow makes hanging basket advancing.
Fig. 6 is the Hanging Basket side schematic view, and this moment, hanging basket advancing put in place.
Wherein, first crossbeam-1 main longitudinal grider-2 the first upper arm-3 piston shoes-3.1 the second upper arm-4 road wheel-4.1 second cross beam-5 suspention fastening devices-6 running gear-7 hydraulic jack-7.1 slide lock device-7.2 walking track-7.3 edge-beam template system-8 N sections edge-beam-N N-1 sections edge-beam-N-1 N-2 sections edge-beam-N-2 N+1 sections edge-beam-N+1
The specific embodiment
Understand for convenient, now along the bridge direction be called along bridge to or vertically, cross-bridges beam direction is called direction across bridge or laterally.Before definition construction direction of advance is, and after rightabout is.
Respectively scheme visible Hanging Basket of the present invention such as Fig. 1～6, it comprises:
Carrying platform, this carrying platform connect the first crossbeam 1 of left and right main longitudinal grider 2 mid points by the left and right main longitudinal grider 2 that is divided into bridge cross section both sides, consist of with the second cross beam 5 of the end that is connected left and right main longitudinal grider direction of advance side.Wherein, left and right main longitudinal grider 2 bottoms are respectively equipped with diagonal brace, consist of the inverted triangular truss structure with main longitudinal grider 2.Carrying platform also comprises the first upper arm 3 that is arranged at left and right main longitudinal grider mid point and the second upper arm 4 that is arranged at left and right main longitudinal grider rear side.The first upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, and the suspension part end is provided with the piston shoes 3.1 that are connected with walking mechanism.The-the second upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, and the suspension part end is provided with road wheel 4.1, the first upper arms and the second upper arm and is fixed in and builds edge-beam, makes left and right main longitudinal grider become the semi girder that extends forward.
Template system comprises that template is (with the control machinery that template is carried out matched moulds and die sinking operation.Template has comprised edge-beam template 8, diaphragm template, roof plate template, bow member, rod-adjurstable and combined threaded rod etc. specifically.Described edge-beam template system 8 is positioned on the semi girder that left and right main longitudinal grider extends forward.Mechanical system is adopted in the matched moulds of edge-beam and die sinking operation, and without hydraulic way, to prevent the backflow after the concreting, can carry out lateral adjustments by rod-adjurstable, template is accurately located, behind the casting complete, regulate rod-adjurstable and adjust the die sinking angle and carry the template deadweight.Bow member is connected between two main longitudinal griders by bearing pin.Adjust the camber of vault template by the rod-adjurstable of regulating the top rail below.At the Hanging Basket begin column until then, can bow member and vault formwork integral be transferred to the crossbeam floor below by 4 punching jack on the main longitudinal grider.
Running gear 7 is made of slide lock device 7.2, hydraulic jack 7.1, walking track 7.3 etc.The walking track is removable, removably be fixedly connected on the concreting.During the Hanging Basket walking, the liquid oil cylinder that is positioned at walking track top links together the piston shoes 3.1 on the first upper arm with slide lock device 7.2, slide lock device 7.2 is fixed on the walking track 7.3, the flexible pushing tow by hydraulic jack 7.1 and and the second upper arm on road wheel 4.1 Hanging Basket is walked forward put in place.
Suspention fixed system 6, it is installed in concreting (edge-beam), is made of supporting seat, counter-force seat, finish rolling deformed bar and nut, jack.The suspention fixed system is used for the fixed support upper arm.Spherical is adopted in the supporting seat lower end, but Self-adjustment suspending rod angle, so that each suspension rod is stressed evenly.
Construction operation platform (not shown in the accompanying drawing), this construction operation platform are built in main longitudinal grider surface, for constructor's operation provides the place.
Each figure of Fig. 2～6 is each step signal of cradle construction, and existing details are as follows:
Shown in Fig. 2 a, lay Hanging Basket along cross-section of bridge, prepare to carry out the construction of N sections edge-beam.
7.3 push-and-pulls of walking track are to the N-1 sections edge-beam surface of having built, anchoring.As shown in Figure 3, bow member is transferred; Shown in Fig. 4 a and Fig. 4 b, Hanging Basket is transferred, and makes the first upper arm piston shoes and the second upper arm road wheel contact respectively walking track 7.3, the first upper arm piston shoes and is fixedly connected with hydraulic jack, and the hydraulic jack other end is connected with slide lock device.By the suspention fixed system upper arm is supported to be fixed in and build edge-beam.Carry out N sections edge-beam pouring construction.After reaching the requirement stretching force, prepares concrete strength to move the basket operation.
Remove the locking of suspention fixed system.As shown in Figure 5, hydraulic jack 7.1 effect pushing tow piston shoes 3.1, thus make the Hanging Basket integral forward lead.As shown in Figure 6, hanging basket advancing puts in place to the N sections.Remove the locking of slide lock device, reach hydraulic jack pedestal makes the piston rod retraction.
Promote Hanging Basket, promote bow member, carry out the pouring construction of N sections top board and diaphragm.In the pouring construction process of top board and diaphragm, upper arm is not born the overall load of Hanging Basket, and its load supports by pouring into a mould the edge-beam suspension system.
In edge-beam pouring construction process, the suspension by upper arm of the deadweight of Hanging Basket and the weight of edge-beam loads on the concreting, does not need to bear gravity by the hawser of bridge.By above construction sequence, edge-beam and top board, diaphragm be successively construction separately, has well solved the adverse effect of edge-beam prestressing force to top board, has guaranteed that edge-beam prestressing force do not shared weakening by top board, can apply prestressing force to edge-beam more accurately.
Claims (9)
1. rear fulcrum shelf bracket Hanging Basket is characterized in that comprising:
(1) carrying platform, it comprises
-left main longitudinal grider from bridge to paired setting and right main longitudinal grider along, left and right main longitudinal grider bottom is respectively equipped with diagonal brace, consists of the inverted triangular truss structure with main longitudinal grider,
The first crossbeam of the left and right main longitudinal grider mid point of-connection,
The second cross beam of the end of the left and right main longitudinal grider rear side of-connection,
-being arranged at the first upper arm of left and right main longitudinal grider mid point, the first upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, and the suspension part end is provided with the piston shoes that are connected with walking mechanism,
-be arranged at the second upper arm of left and right main longitudinal grider rear side, the second upper arm extends upward and is bent to form barb-shaped suspension part from residing left and right main longitudinal grider, the suspension part end is provided with road wheel, the first upper arm and the second upper arm are fixed in builds edge-beam, makes left and right main longitudinal grider become the semi girder that extends forward;
(2) be used for carrying platform is supported and fixed on suspention fixed system on the concreting;
(3) template system, described template system comprise template and the control machinery that template is carried out matched moulds and die sinking operation;
(4) running gear, described running gear comprise that one promotes the vertically hydraulic system of reach of shelf bracket Hanging Basket.
2. rear fulcrum shelf bracket Hanging Basket according to claim 1 is characterized in that: also comprise described carrying platform is supported the suspention fixed system that is fixed on the pouring concrete.
3. rear fulcrum shelf bracket Hanging Basket according to claim 1 is characterized in that: also comprise the construction operation platform of building in the main longitudinal grider surface.
4. rear fulcrum shelf bracket Hanging Basket according to claim 1 is characterized in that: described template system comprises edge-beam template and roof plate template, diaphragm template, and described edge-beam template system is positioned on the semi girder that left and right main longitudinal grider extends forward.
5. rear fulcrum shelf bracket Hanging Basket according to claim 1, it is characterized in that: described running gear comprises and is removably installed in walking track, hydraulic jack and the slide lock device of building the edge-beam upper surface, hydraulic jack one end is connected in the piston shoes on the first upper arm, the other end is connected in slide lock device, described slide lock device is arranged on the walking track, can follow away track and slide, and be fixed in the walking track by connector.
6. rear fulcrum shelf bracket Hanging Basket according to claim 5, it is characterized in that: described running gear also comprises along bridge to the stopper slot that is arranged on the concreting, described walking track can move along described stopper slot with adaptive the connection also of described stopper slot, and described walking track is anchored in concreting by connector.
7. rear fulcrum shelf bracket Hanging Basket according to claim 1, it is characterized in that: the main body of described the first upper arm and the second upper arm is the hollow box-structure.
8. method for bridge construction is characterized in that may further comprise the steps:
(1) builds edge-beam: be mounted to cross-section of bridge transferring such as the arbitrary described rear fulcrum shelf bracket Hanging Basket direction across bridge of claim 1～7, the first upper arm and the second upper arm are fixed in the edge-beam of having built, and utilize the edge-beam template system that is positioned at the left and right main longitudinal grider cantilever beam section of shelf bracket Hanging Basket that bridge arranged on left and right sides edge-beam is carried out pouring construction simultaneously;
(2) running gear promotes the arranged on left and right sides edge-beam reach that the shelf bracket Hanging Basket is built along step (1), then builds top board and diaphragm between two edge-beams after reach puts in place;
(3) repeat the step that (1) reaches (2).
9. method for bridge construction is characterized in that may further comprise the steps:
(1) lays Hanging Basket rear fulcrum shelf bracket as claimed in claim 6 Hanging Basket along cross-section of bridge, prepare to carry out the construction of N sections edge-beam;
(2) described walking track is pulled to the N-1 sections edge-beam surface of having built, anchoring;
(3) bow member of rear fulcrum shelf bracket Hanging Basket is transferred, make the first upper arm piston shoes and the second upper arm road wheel contact respectively the walking track, the first upper arm piston shoes are fixedly connected with hydraulic jack, the hydraulic jack other end is connected with slide lock device, by the suspention fixed system the first upper arm and the second upper arm is supported to be fixed in and builds edge-beam;
(4) carry out N sections edge-beam pouring construction, after concrete strength reaches the requirement stretching force, prepare to move the basket operation;
(5) remove the locking of suspention fixed system, hydraulic jack effect pushing tow piston shoes, thus make Hanging Basket integral forward lead to the N sections, put in place the locking of rear dismounting slide lock device of hanging basket advancing, reach hydraulic jack pedestal makes the piston rod retraction;
(6) promote Hanging Basket, promote bow member, carry out the pouring construction of N sections top board and diaphragm; ,
(7) repeating step 2～step 6 has been finished the construction of bed rearrangement bridge.
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| CN111335166A (en) * | 2020-03-09 | 2020-06-26 | 浙江交工集团股份有限公司 | Construction method using self-bearing structure as temporary support |
| CN112127288A (en) * | 2020-10-29 | 2020-12-25 | 中建八局第二建设有限公司 | Novel track-free triangular hanging basket construction method for cantilever casting beam |
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| CN113550236A (en) * | 2021-07-22 | 2021-10-26 | 山东省路桥集团有限公司 | Automatic continuous walking suspension system and pushing method |
| CN113818362A (en) * | 2021-10-19 | 2021-12-21 | 中交一公局第二工程有限公司 | Non-landing super-long assembly type bracket and hanging basket integrated structure and construction method |
| CN114737489A (en) * | 2022-03-31 | 2022-07-12 | 中铁第五勘察设计院集团有限公司 | Construction method of self-propelled cantilever bridge fabrication machine |
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| CN103850185A (en) * | 2014-02-20 | 2014-06-11 | 中交三航局第三工程有限公司 | Multi-truss type hanging basket for super-wide type bridge construction |
| CN105178196A (en) * | 2015-09-28 | 2015-12-23 | 中铁上海工程局集团有限公司 | Multiple-joint linkage type integrated formwork surrounding wet connection section and method |
| CN105887689A (en) * | 2016-04-29 | 2016-08-24 | 浙江省建设工程质量检验站有限公司 | Bridge pouring construction device and construction method thereof |
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| CN107100074A (en) * | 2017-05-03 | 2017-08-29 | 中铁十六局集团第三工程有限公司 | A kind of lower bearing arch bridge concrete bridge deck construction method |
| CN109629457A (en) * | 2017-10-06 | 2019-04-16 | 巴里·沃尔特·杰克逊 | Improved bridge overhanging bracket component |
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| CN109853403A (en) * | 2019-03-29 | 2019-06-07 | 中交路桥华南工程有限公司 | Wide cut cantilever main girder construction Hanging Basket and its bottom basket system |
| CN110485311B (en) * | 2019-08-09 | 2024-03-19 | 中铁广州工程局集团有限公司 | double-C-shaped hook movable hanging basket and construction method |
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| CN111335166A (en) * | 2020-03-09 | 2020-06-26 | 浙江交工集团股份有限公司 | Construction method using self-bearing structure as temporary support |
| CN112127288A (en) * | 2020-10-29 | 2020-12-25 | 中建八局第二建设有限公司 | Novel track-free triangular hanging basket construction method for cantilever casting beam |
| CN113005907A (en) * | 2021-02-21 | 2021-06-22 | 梁飞 | Building templates of portable installation |
| CN113026571A (en) * | 2021-03-30 | 2021-06-25 | 四川公路桥梁建设集团有限公司 | Ultra-wide bridge hanging basket structure and implementation method |
| CN113550236A (en) * | 2021-07-22 | 2021-10-26 | 山东省路桥集团有限公司 | Automatic continuous walking suspension system and pushing method |
| CN113550236B (en) * | 2021-07-22 | 2023-04-07 | 山东省路桥集团有限公司 | Automatic continuous walking suspension system and pushing method |
| CN113818362A (en) * | 2021-10-19 | 2021-12-21 | 中交一公局第二工程有限公司 | Non-landing super-long assembly type bracket and hanging basket integrated structure and construction method |
| CN114737489A (en) * | 2022-03-31 | 2022-07-12 | 中铁第五勘察设计院集团有限公司 | Construction method of self-propelled cantilever bridge fabrication machine |
| CN114737489B (en) * | 2022-03-31 | 2023-04-28 | 中铁第五勘察设计院集团有限公司 | Construction method of self-propelled cantilever bridge fabrication machine |
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