CN107761571A - Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application - Google Patents
Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application Download PDFInfo
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- CN107761571A CN107761571A CN201711037440.4A CN201711037440A CN107761571A CN 107761571 A CN107761571 A CN 107761571A CN 201711037440 A CN201711037440 A CN 201711037440A CN 107761571 A CN107761571 A CN 107761571A
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- Prior art keywords
- longeron
- traveling
- bracket
- template platform
- platform
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
- E01D21/10—Cantilevered erection
Abstract
The invention discloses a kind of needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application, is to set to roll bridle iron on I-shaped girder top flange plate, traveling longeron is placed on bridle iron is rolled；On traveling longeron along bridge to setting more Pin transverse directions steel brackets；Multiple tracks load-bearing longeron is set along direction across bridge at the top of horizontal steel bracket；Suspension rod is set at the top of load-bearing longeron, template platform suspension is placed in the bottom of floorings using suspension rod；Rolling support seat is set on the top flange plate of needle beam, and span centre section template platform can be fallen within rolling support seat, and is moved forward on rolling support seat；" L " shape suspension bracket is symmetrical arranged at horizontal steel bracket both ends, the bottom flatrack of " L " shape suspension bracket is located at the lower section of cantilever segment template platform, cantilever segment template platform can be fallen within bottom water flatrack, and goes forward to move in bottom water flatrack.The present invention can once complete the concrete slab cast-in-place construction of section overall with scope.
Description
Technical field
The present invention relates to the technical field of steel plate combination beam bridge panel cast-in-place construction, more specifically a kind of needle beam group
Close steel plate girder bridge panel cast-in-place construction form frame system and its construction method.
Background technology
Combined steel plate beam with the economy of its overall stress, play two kinds of materials and each the reasonability of advantage and be easy to apply
The outstanding advantages of work, are progressively developed in bridge construction.Needle beam combined steel plate beam is set between two panels steel girder
Crossbeam is connected with each other, and concrete slab is combined common stress, crossbeam cross section size with steel girder by connector
Smaller, it is mutually not directly connected between floorings, does not directly support floorings.
At present, the construction method such as the prefabricated installation of combined steel plate beam bridge panel construction generally use or integral cast-in-situ, works as bridge floor
When plate is constructed using integral cast-in-situ, corresponding construction method needs a set of form frame system reasonable in design, easy to operate
The construction of floorings integral cast-in-situ is completed, to form a kind of efficiently ripe construction technology, still, does not have phase still in the prior art
Close the open report of technical scheme.
The content of the invention
The present invention is to avoid the deficiency present in above-mentioned prior art, there is provided one kind is reasonable in design, stress is clear and definite,
Efficient needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system easy to operate, easy for construction and its application, with
It is applicable the construction of needle beam combined steel plate beam bridge panel integral cast-in-situ.
The present invention adopts the following technical scheme that to solve technical problem：
Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system of the present invention is structurally characterized in that：
Each rolling bridle iron is arranged at intervals on the top flange plate of I-shaped girder, along the length direction of I-shaped girder,
Traveling longeron is placed on the rolling bridle iron；On the traveling longeron along bridge to setting more Pin transverse directions steel brackets；
The top of the horizontal steel bracket sets multiple tracks load-bearing longeron along direction across bridge, using the load-bearing longeron by more Pin transverse directions steel brackets
It is linked to be entirety；The top of each road load-bearing longeron along bridge to setting multigroup suspension rod, using the suspension rod by template platform
Suspension is placed in the bottoms of floorings, and the template platform is along direction across bridge subsection setup, respectively the span centre Duan Mo positioned at span centre
Plate platform and the cantilever segment template platform at the cantilever of both sides；
To be connected to the needle beam between a pair of I-shaped girders as support, set on the top flange plate of the needle beam
Rolling support seat, the span centre section template platform can be fallen within the rolling support seat, and is moved forward on rolling support seat；
" L " shape suspension bracket is symmetrical arranged at the horizontal steel bracket both ends, the bottom flatrack of described " L " shape suspension bracket is located at institute
The lower section of cantilever segment template platform is stated, the cantilever segment template platform can be fallen within the bottom water flatrack, and in bottom water
Moved forward in flatrack.
Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system of the present invention is structurally characterized in that：The transverse direction
The structure type of steel bracket is：It is welded on by support, the bottom of montant of montant on traveling longeron, the top weld horizontal of montant
Push rod, brace is welded between montant and horizontal push rod, forms gusseted；The load-bearing longeron is welded on horizontal push rod
Top surface.
Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system of the present invention is structurally characterized in that：" L "
The structure type of shape suspension bracket is：The top of montant frame in " L " shape suspension bracket is bolted in the end of horizontal steel bracket reclaimed water flat-top bar,
The bottom water flatrack is welded on the bottom of montant frame, and brace is welded between the bottom water flatrack and montant frame, is formed
Gusseted.
The method that needle beam combined steel plate beam bridge panel cast-in-place construction is carried out using sliding form frame system of the present invention is by such as
Lower step is carried out：
Step 1, the I-shaped girder for lifting plate girder, it is by needle beam that the I-shaped girder connection in left and right two is integral；
Step 2, by rolling support seating on needle beam, place span centre section template platform temporarily on rolling support seat；
Set on I-shaped girder and roll bridle iron, traveling longeron is placed on bridle iron is rolled, the transverse direction that integral solder is molded
Steel bracket is placed on traveling longeron and fixed temporarily；
Step 3, along bridge each road load-bearing longeron is installed at the top of horizontal steel bracket, releases the interim of horizontal steel bracket
It is fixed；" L " shape suspension bracket and cantilever segment template platform are installed at horizontal steel bracket both ends；
Step 4, installation suspension rod, suspension rod top is fixed on load-bearing longeron, is hung template platform in the bottom of suspension rod, is made
The template platform is placed in the bottom of floorings；Complete the installation of sliding form frame system；
Step 5, interim sleeper is set under traveling longeron, traveling longeron is departed from and rolls bridle iron, is adjusted by suspension rod
The height of template platform and fixation, implement this section floorings cast-in-place construction；
Step 6, after this section floorings cast-in-place construction is completed, extract the interim sleeper under traveling longeron out, make traveling
Longeron, which is placed in, to be rolled on bridle iron, removes each suspension rod, is declined span centre section template platform and is placed on rolling support seat, cantilever segment mould
Plate platform decline is placed in the bottom flatrack of " L " shape suspension bracket, by hydraulic pressure running gear by traveling longeron, horizontal steel bracket, hold
Weight longeron, " L " shape suspension bracket and cantilever segment template platform move forward to next construction section, are placed on rolling using chain guide device
Span centre section template platform on support base moves forward to next construction section；
Step 7, suspension rod is reinstalled, complete the installation of sliding form frame system again；
Step 8, circulation step 5, step 6 and step 7 are until completing floorings cast-in-place construction.
Compared with the prior art, the present invention has the beneficial effect that：
1st, needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system is reasonable in design in the present invention, stress
Clearly, it is easy to operate, easy for construction efficient, it can once complete the concrete slab cast-in-place construction of section overall with scope；
2nd, needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system is convenient to assemble and disassemble in the present invention, traveling operation
It is convenient, can effective accelerating construction progress；
3rd, the present invention realizes the integral cast-in-situ construction of needle beam combined steel plate beam bridge panel using sliding form frame system, relatively
Constructed in precast assembly, floorings good integrity, construction quality is easily controlled, and construction technology is simple, and it is complete to reduce precast assembly
Wet seam working procedure afterwards, has saved construction cost.
Brief description of the drawings
Fig. 1 is facade structures schematic diagram of the present invention；
Fig. 2 is Fig. 1 A-A profiles.
Label in figure：1 I-shaped girder, 2 roll bridle iron, 3 traveling longerons, 4 horizontal steel brackets, the horizontal push rods of 4a, 4b
Brace, 5 load-bearing longerons, 6 suspension rods, 7a span centre section template platforms, 7b cantilever segment template platforms, 8 floorings, 9 needle beams, 10 roll
Support base, 11 be " L " shape suspension bracket, 11a bottoms flatrack, 11b braces.
Referring to Fig. 1 and Fig. 2, the present embodiment needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system structure shape
Formula is：
Each rolling bridle iron is arranged at intervals on the top flange plate of I-shaped girder 1, along the length direction of I-shaped girder 1
2, traveling longeron 3 is placed on bridle iron 2 is rolled；On traveling longeron 3 along bridge to setting more Pin transverse directions steel brackets 4；In horizontal stroke
Multiple tracks load-bearing longeron 5 is set to the top of steel bracket 4 along direction across bridge, is linked to be more Pin transverse directions steel brackets 4 using load-bearing longeron 5 whole
Body；, to multigroup suspension rod 6 is set, template platform suspension is placed in bridge using suspension rod 6 along bridge at the top of each road load-bearing longeron 5
The bottom of panel 8, template platform is along direction across bridge subsection setup, respectively positioned at the span centre section template platform 7a of span centre and positioned at two
Cantilever segment template platform 7b at the cantilever of side.
Needle beam 9 to be connected between a pair of I-shaped girders 1 is set for support on the top flange plate of needle beam 9
Rolling support seat 10, span centre section template platform 7a can be fallen within rolling support seat 10, and is moved forward on rolling support seat 10.
" L " shape suspension bracket 11 is symmetrical arranged at the horizontal both ends of steel bracket 4, makes the bottom flatrack 11a of " L " shape suspension bracket 11 positioned at outstanding
Arm section template platform 7b lower section, cantilever segment template platform 7b can be fallen within bottom water flatrack 11a, and in bottom water flatrack
Moved forward on 11a.
In specific implementation, the structure type of horizontal steel bracket 4 is：Using montant as support, the bottom of montant is welded on traveling
On longeron 3, the top weld horizontal push rod 4a of montant, brace 4b is welded between montant and horizontal push rod 4a, forms triangle
Support；Load-bearing longeron 5 is welded on horizontal push rod 4b top surface；The structure type of " L " shape suspension bracket 11 is：In " L " shape suspension bracket 11
The top of montant frame bolts is welded on the bottom of montant frame in the horizontal reclaimed water flat-top bar 4a of steel bracket 4 end, bottom water flatrack 11a
Portion, brace 11b is welded between bottom water flatrack 11a and montant frame, form gusseted.
Horizontal push rod 4a is that Two bors d's oeuveres I-steel group welds component, and montant and brace 4b are single i-steel component；" L " shape suspension bracket
Montant frame, bottom water flatrack 11a and brace 11b in 11 are all single i-steel components；Traveling longeron 3 and load-bearing longeron
5 be Two bors d's oeuveres I-steel group weldering component, on load-bearing longeron 5, boom hole is provided with for suspension suspension rod, so that suspension rod 6 can run through
Installation is fixed in boom hole；Suspension rod 6 uses fining twisted steel and its accessory.Before span centre section template platform 7a travelings
Move, should be fixed between rolling support seat 10 and needle beam 9 using temporary weld；During sliding form frame system traveling, cantilever segment mould
Plate platform 7b needs to form interim fixation with " L " shape suspension bracket 11, prevents cantilever segment template platform 7b from dropping；Whole form frame system is walked
Row needs synchronization, to ensure traveling safety.
The method that needle beam combined steel plate beam bridge panel cast-in-place construction is carried out using sliding form frame system in the present embodiment is pressed
Following steps are carried out：
Step 1, the I-shaped girder 1 for lifting plate girder, are connected into the I-shaped girder 1 in left and right two by needle beam 9 whole
Body；
Step 2, rolling support seat 10 is placed on needle beam 9, places span centre section template temporarily on rolling support seat 10
Platform 7a；Set on I-shaped girder 1 and roll bridle iron 2, traveling longeron 3 is placed on bridle iron 2 is rolled, by integral solder
The horizontal steel bracket 4 of shaping is placed on traveling longeron 3 and fixed temporarily；
Step 3, along bridge each road load-bearing longeron 5 is installed at the top of horizontal steel bracket 4, releases horizontal steel bracket 4
It is interim fixed；Installation " L " shape suspension bracket 11 and cantilever segment template platform 7b at the horizontal both ends of steel bracket 4；
Step 4, installation suspension rod 6, the top of suspension rod 6 is fixed on load-bearing longeron 5, and in the bottom of suspension rod, suspension template is put down
Platform, template platform is set to be placed in the bottom of floorings 8；Complete the installation of sliding form frame system；
Step 5, in traveling longeron 3 times interim sleepers are set, traveling longeron 3 is departed from and rolls bridle iron 2, passes through suspension rod 6
The height of template platform 7 and fixation are adjusted, implements this section floorings cast-in-place construction；
Step 6, after this section floorings cast-in-place construction is completed, extract the interim sleeper under traveling longeron 3 out, make traveling
Longeron 3, which is placed in, to be rolled on bridle iron 2, removes each suspension rod 6, is declined span centre section template platform 7a and is placed on rolling support seat 10,
Cantilever segment template platform 7b, which declines, to be placed on the bottom flatrack 11a of " L " shape suspension bracket 11, by hydraulic pressure running gear by traveling longeron
3rd, horizontal steel bracket 4, load-bearing longeron 5, " L " shape suspension bracket 11 and cantilever segment template platform 7a move forward to next construction section,
The span centre section template platform 7a being placed on using chain guide device on rolling support seat 10 moves forward to next construction section；
Step 7, suspension rod 6 is reinstalled, complete the installation of sliding form frame system again；
Step 8, circulation step 5, step 6 and step 7 are until completing floorings cast-in-place construction.
Claims (4)
- A kind of 1. needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system, it is characterised in that：Each rolling bridle iron is arranged at intervals on the top flange plate of I-shaped girder (1), along the length direction of I-shaped girder (1) (2), traveling longeron (3) is placed on the rolling bridle iron (2)；On the traveling longeron (3) along bridge to setting more Pin Horizontal steel bracket (4)；Multiple tracks load-bearing longeron (5) is set along direction across bridge at the top of the horizontal steel bracket (4), held using described More Pin transverse directions steel brackets (4) are linked to be entirety by weight longeron (5)；The top of each road load-bearing longeron (5) along bridge to setting Multigroup suspension rod (6), template platform suspension is placed in the bottom of floorings (8), the template platform edge using the suspension rod (6) Direction across bridge subsection setup, respectively the span centre section template platform (7a) positioned at span centre and the cantilever segment template at the cantilever of both sides Platform (7b)；It is to support with the needle beam (9) being connected between a pair of I-shaped girders (1), the top flange plate in the needle beam (9) Upper setting rolling support seat (10), the span centre section template platform (7a) can be fallen within the rolling support seat (10), and Rolling support seat moves forward on (10)；" L " shape suspension bracket (11) is symmetrical arranged at horizontal steel bracket (4) both ends, puts down the bottom of " L " the shape suspension bracket (11) Frame (11a) is located at the lower section of the cantilever segment template platform (7b), and the cantilever segment template platform (7b) can fall within the bottom On portion's level frame (11a), and moved forward in bottom water flatrack (11a).
- 2. needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system according to claim 1, its feature exist In：The structure type of the horizontal steel bracket (4) is：It is welded on by support, the bottom of montant of montant on traveling longeron (3), The top weld horizontal push rod of montant, brace is welded between montant and horizontal push rod, forms gusseted；The bearing longitudinal Beam (5) is welded on the top surface of horizontal push rod.
- 3. needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system according to claim 2, its feature exist In：The structure type of " L " the shape suspension bracket (11) is：The top of montant frame in " L " shape suspension bracket (11) is bolted in horizontal steel branch The end of frame (4) reclaimed water flat-top bar, the bottom water flatrack (11a) are welded on the bottom of montant frame, in the bottom water flatrack Brace is welded between (11a) and montant frame, forms gusseted.
- 4. the side of needle beam combined steel plate beam bridge panel cast-in-place construction is carried out using the sliding form frame system described in claim 1 Method, it is characterized in that carrying out as follows：Step 1, the I-shaped girder (1) for lifting plate girder, are connected into the I-shaped girder (1) in left and right two by needle beam (9) It is overall；Step 2, rolling support seat (10) is placed on needle beam (9), places span centre Duan Mo temporarily on rolling support seat (10) Plate platform (7a)；Set on I-shaped girder (1) and roll bridle iron (2), traveling longeron is placed on bridle iron (2) is rolled (3), the horizontal steel bracket (4) that integral solder is molded is placed on traveling longeron (3) and fixed temporarily；Step 3, along bridge each road load-bearing longeron (5) is installed at the top of horizontal steel bracket (4), releases horizontal steel bracket (4) Interim fixation；In horizontal steel bracket (4) both ends installation " L " shape suspension bracket (11) and cantilever segment template platform (7b)；Step 4, installation suspension rod (6), suspension rod (6) top is fixed on load-bearing longeron (5), and in the bottom of suspension rod, suspension template is put down Platform, the template platform is set to be placed in the bottom of floorings (8)；Complete the installation of sliding form frame system；Step 5, interim sleeper is set under traveling longeron (3), traveling longeron (3) is departed from and rolls bridle iron (2), passes through suspension rod (6) height and the fixation of template platform (7) are adjusted, implements this section floorings cast-in-place construction；Step 6, after this section floorings cast-in-place construction is completed, extract the interim sleeper under traveling longeron (3) out, indulge traveling Beam (3), which is placed in, to be rolled on bridle iron (2), removes each suspension rod (6), is declined span centre section template platform (7a) and is placed in rolling support seat (10) on, cantilever segment template platform (7b), which declines, to be placed in the bottom flatrack (11a) of " L " shape suspension bracket (11), passes through hydraulic pressure traveling Device is by traveling longeron (3), horizontal steel bracket (4), load-bearing longeron (5), " L " shape suspension bracket (11) and cantilever segment template platform (7a) moves forward to next construction section, the span centre section template platform being placed on using chain guide device on rolling support seat (10) (7a) moves forward to next construction section；Step 7, suspension rod (6) is reinstalled, complete the installation of sliding form frame system again；Step 8, circulation step 5, step 6 and step 7 are until completing floorings cast-in-place construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037440.4A CN107761571A (en) | 2017-10-30 | 2017-10-30 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037440.4A CN107761571A (en) | 2017-10-30 | 2017-10-30 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
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| CN107761571A true CN107761571A (en) | 2018-03-06 |
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| CN201711037440.4A Pending CN107761571A (en) | 2017-10-30 | 2017-10-30 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457619A (en) * | 2018-12-11 | 2019-03-12 | 中交第二航务工程局有限公司 | A kind of mobile bracket of composite multi-functional for concrete girder cast-in-place construction |
| CN112064510A (en) * | 2020-09-08 | 2020-12-11 | 宁波市建设集团股份有限公司 | Cast-in-place decking assembled hangs mode structure |
| CN113235438A (en) * | 2021-05-18 | 2021-08-10 | 中交第二航务工程局有限公司 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
| CN114481846A (en) * | 2022-01-29 | 2022-05-13 | 北京航空航天大学 | Cast-in-place construction method of bridge concrete bridge deck and bridge construction formwork |
| CN114673196A (en) * | 2022-04-19 | 2022-06-28 | 中交一航局第五工程有限公司 | Zero-contact construction process for isolation layer of underground water plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109457619A (en) * | 2018-12-11 | 2019-03-12 | 中交第二航务工程局有限公司 | A kind of mobile bracket of composite multi-functional for concrete girder cast-in-place construction |
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| CN112064510A (en) * | 2020-09-08 | 2020-12-11 | 宁波市建设集团股份有限公司 | Cast-in-place decking assembled hangs mode structure |
| CN113235438A (en) * | 2021-05-18 | 2021-08-10 | 中交第二航务工程局有限公司 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
| CN114232502B (en) * | 2022-01-18 | 2023-09-29 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding template truss and use method thereof |
| CN114481846A (en) * | 2022-01-29 | 2022-05-13 | 北京航空航天大学 | Cast-in-place construction method of bridge concrete bridge deck and bridge construction formwork |
| CN114673196A (en) * | 2022-04-19 | 2022-06-28 | 中交一航局第五工程有限公司 | Zero-contact construction process for isolation layer of underground water plant |
| CN114673196B (en) * | 2022-04-19 | 2024-02-13 | 中交一航局第五工程有限公司 | Zero-touch construction process for isolation layer of underground water plant |
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