CN208219432U - Cast-in-place support device for 0# block of box girder of continuous rigid frame bridge - Google Patents
Cast-in-place support device for 0# block of box girder of continuous rigid frame bridge Download PDFInfo
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- CN208219432U CN208219432U CN201820759804.3U CN201820759804U CN208219432U CN 208219432 U CN208219432 U CN 208219432U CN 201820759804 U CN201820759804 U CN 201820759804U CN 208219432 U CN208219432 U CN 208219432U
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- pier
- support device
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- rigid frame
- continuous rigid
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- 238000009826 distribution Methods 0.000 claims abstract description 46
- 244000035744 Hura crepitans Species 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 23
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, and provides a continuous rigid frame bridge box girder 0# block cast-in-place support device, which comprises two pier studs arranged along the bridge direction; the top of each pier column is composed of a pier top platform and reserved gap platforms positioned at two ends of the pier top platform along the transverse bridge direction; each reserved gap platform is provided with a sand box; a main bearing beam is arranged on the sand box positioned on the same side of the two pier studs along the bridge direction and consists of five lower longitudinal beams arranged in parallel; a plurality of transverse distribution beams are arranged on the main bearing beam; an upper longitudinal beam is arranged on the transverse distribution beam along the bridge direction; a plurality of upper cross beams are arranged on the upper longitudinal beams on the two sides of the pier stud; the upper cross beam is provided with a plurality of longitudinal distribution beams. The utility model discloses a support device need not to set up the built-in fitting on the pier stud, also need not to set up the V-bracket to avoid carrying out the operation of welding and cutting in the high altitude, not only increased constructor's security, shortened construction cycle moreover.
Description
Technical field
The utility model relates to technical field of bridge construction, especially a kind of continuous rigid frame bridge box beam 0# block cast-in-place support dress
It sets.
Background technique
In bridge construction, cast-in-situ continuous beam form of construction work is varied, and the continuous beam for crossing over extreme terrain mostly uses
Hanging basket cantilever mode is constructed.In hanging basket cantilever construction, it is necessary to first pour 0# block on pier stud, reach rule to 0# bulk strength
After definite value, then using 0# block as operating platform, the machinery of installation on it, Hanging Basket etc. are symmetrically poured or are assembled 1# block, 2#
Block etc..The construction of continuous rigid frame bridge box beam 0# block is the important stage for realizing pier consolidation, to the falsework system of 0# block into
The design of row rationally, economic, safe guarantees stability, the safety of 0# block bracket, and so that bridge completion state is reached design requirement seems
It is particularly important.Although bracket is temporary structure, it is the platform of 0# block construction, bears most of pour weight and construction lotus
It carries, its deformation size plays conclusive effect to 0# block mould absolute altitude, so on the one hand to guarantee bracket in construction period
With enough safeties, while the deformation of bracket is controlled, guarantee smoothly completing for 0# block construction.
Method more commonly used in the construction of 0# block at present are as follows: built-in fitting is set on pier stud, three are welded on built-in fitting
Angle bracket sets up main beam, steel truss and transverse distribution beam on shelf bracket, then sets up template in vertical, horizontal distribution beam
Deng composition support system, pouring for 0# block is then carried out, after pouring, after the intensity of 0# block reaches specified value, removes branch
Frame.But this method has the following problems: before the construction of 0# block, needing for shelf bracket to be welded on the built-in fitting of pier stud；0#
After block construction, need again to cut away shelf bracket from built-in fitting；These operations require to be operated in high-altitude, not only increase
Construction intensity is added, and the safety in work progress is reduced.After A-frame cutting simultaneously, it cannot reuse,
Waste disposal can only be worked as, increase the cost of entire project.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of continuous rigid frame bridge box beam 0# block cast-in-place support dresses
It sets, is constructed using the device to 0# block, the safety in work progress can be enhanced.
The technical scheme adopted by the utility model to solve the technical problem is as follows: continuous rigid frame bridge box beam 0# block cast-in-place support
Device, including two pier studs along bridge to setting；The top of each pier stud by pier top platform and is located at pier top platform along direction across bridge
The future insufficiency platform at both ends is constituted；Sandbox is provided on each future insufficiency platform；The sand ipsilateral positioned at two pier studs
It is made of to main spandrel girder, the main spandrel girder is provided with five lower stringers being set side by side on case along bridge, five lower stringers
It is fixedly connected by detachable structure；Several transverse distribution beams are provided on the main spandrel girder；On the transverse distribution beam
Along along bridge to being provided with upper longitudinal beam；Several upper beams are provided in the upper longitudinal beam of the pier stud two sides；It is set on the upper beam
It is equipped with several longitudinal distribution beams.
Further, the detachable structure include be arranged in five lower stringer two sides to pulling block and be arranged under
Split bolt above and below stringer；The both ends of two split bolts are each passed through to pulling block and connect with nut thread.
Further, several transverse distribution beams are spaced setting on main spandrel girder；Between two neighboring transverse distribution beam
Spacing be 0.3~0.5m.
Further, the spacing between two neighboring transverse distribution beam is 0.4m.
Further, each transverse distribution beam includes two symmetrically arranged channel steels；It is mouth that two channel steels, which constitute cross section,
The structure of font.
Further, several upper beams are spaced setting in upper longitudinal beam；Spacing between two neighboring upper beam is 0.3
~0.5m.
Further, the spacing between two neighboring upper beam is 0.4m.
Further, projection of the upper longitudinal beam on main spandrel girder is located at the middle position of main spandrel girder.
The beneficial effects of the utility model are: compared with prior art, continuous rigid frame bridge box beam described in the utility model
0# block cast-in-place support device, it is not necessary that built-in fitting is arranged on pier stud, without setting up shelf bracket, so as to avoid high-altitude into
The operation of row welding and cutting, not only increases the safety of construction personnel, and shorten construction period；The utility model
Not only speed of application is fast for holder device, convenient disassembly, and all material can be reused, and construction cost has been saved.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the structural schematic diagram of pier stud in the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the structural schematic diagram after 0# block pours in the utility model.
Appended drawing reference in figure are as follows: 1- pier stud, 2- sandbox, stringer under 3-, 4- detachable structure, 5- transverse distribution beam, on 6-
Stringer, 7- upper beam, 8-0# block, the longitudinal direction 9- distribution beam, 11- pier top platform, 12- future insufficiency platform, 41- is to pulling block, and 42- pairs
Draw bolt, 43- nut.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
As shown in Figures 1 to 6, continuous rigid frame bridge box beam 0# block cast-in-place support device described in the utility model, including it is suitable
Two pier studs 1 of the bridge to setting；The top of each pier stud 1 is along direction across bridge by pier top platform 11 and positioned at 11 both ends of pier top platform
Future insufficiency platform 12 is constituted；The future insufficiency platform 12 is arranged lower than pier top platform 11；Each future insufficiency platform
Sandbox 2 is provided on 12；On the sandbox 2 ipsilateral positioned at two pier studs 1 along bridge to being provided with main spandrel girder, the main spandrel girder
It is made of five be set side by side lower stringers 3, five lower stringers 3 are fixedly connected by detachable structure 4；On the main spandrel girder
It is provided with several transverse distribution beams 5；On the transverse distribution beam 5 along bridge to being provided with upper longitudinal beam 6；1 two sides of pier stud
Upper longitudinal beam 6 on be provided with several upper beams 7；Several longitudinal distribution beams 9 are provided on the upper beam 7.
It is constructed using the holder device of the utility model to 0# block 8, comprising the following steps:
1, along suitable bridge to two pier studs 1 are poured, when pouring pier stud 1, in the wide 0# block 8 out in the top two sides of each pier stud 1
Part reserve certain concrete height, form future insufficiency platform 12, and support entire bracket using the future insufficiency platform 12
Device.
2, on each future insufficiency platform 12, at least one sandbox 2, depending on the quantity of sandbox 2 is as needed, institute are set
It states sandbox 2 and is used to support main spandrel girder, after 0# block 8 is constructed, need to only dig out the sand in sandbox 2, can reduce entire
The height of holder device, bracket easy to dismantle.
3, along bridge, to a main spandrel girder is respectively set, each main spandrel girder is horizontal on the sandbox 2 of two 1 two sides of pier stud
Across two pier studs 1 and its both ends extend out to the outside of pier stud 1.Specifically, five lower stringers 3 are disposed in parallel in two pier studs 1
It is connected to one on ipsilateral sandbox 2 and by least one detachable structure 4, increases the stabilization of main spandrel girder entirety
Property；The lower stringer 3 can be the profiles such as I-steel, channel steel, square steel.
4, then several transverse distribution beams 5 are set on each main spandrel girder, each transverse distribution beam 5 is perpendicular to lower vertical
Beam 3 is arranged, and the transverse distribution beam 5 can be the profiles such as I-steel, channel steel, square steel；By the way that transverse distribution beam 5 is arranged, make to lead
The stress of spandrel girder is more evenly.
5, then on the transverse distribution beam 5 of 1 two sides of pier stud along bridge to one upper longitudinal beam 6 of setting, the upper longitudinal beam 6 can be with
It is the profiles such as I-steel, channel steel, square steel.By the way that upper longitudinal beam 6 is arranged, so that stress is more clear, the power that upper longitudinal beam 6 is born passes through cross
It is assigned on main spandrel girder, is then dispensed on sandbox 2 to distribution beam 5, and be transmitted on pier stud 1.
6, several upper beams 7 are set up in 1 two sides upper longitudinal beam 6 of pier stud, upper beam 7 is arranged perpendicular to upper longitudinal beam 6；It is described
The both ends of upper beam 7 extend out to the outside of pier stud 1 respectively.The upper beam 7 can be the profiles such as I-steel, channel steel, square steel.On
Crossbeam 7 is mainly distributed in the upper longitudinal beam 6 between two pier studs 1, while at the position that pier stud 1 is stretched out at the both ends of upper longitudinal beam 6
Also it is distributed some upper beams 7.
7, several longitudinal distribution beams 9 are then laid on upper beam 7, longitudinal distribution beam 9 is divided for three parts, wherein one
Set up separately on the upper beam 7 set between two pier studs 1, in addition two parts are arranged on the upper beam 7 outside pier stud 1.It is described
Longitudinal distribution beam 9 can be the profiles such as I-steel, channel steel, square steel.It is laid with bed die and other brackets in longitudinal distribution beam 9, pours
Build 0# block 8.By the longitudinal distribution beam 9 of setting, evenly distribute the weight of bed die, other brackets and 0# block 8 on upper beam 7,
Make all upper beams 7 can stress, improve the stability of device.
8, after 0# block 8 reaches corresponding intensity, the sand in sandbox 2 is dug out, reduces the height of entire holder device, so
Holder device is removed afterwards.
Compared with prior art, continuous rigid frame bridge box beam 0# block cast-in-place support device described in the utility model is not necessarily to
Built-in fitting is set on pier stud 1, without setting up shelf bracket, so as to avoid in the operation that high-altitude is welded and is cut, no
The safety of construction personnel is increased only, and shortens construction period；The holder device of the utility model not only speed of application
Fastly, convenient disassembly, and all material can be reused, and construction cost has been saved.
The detachable structure 4 can be bolt arrangement, one end of bolt sequentially pass through through-hole on five lower stringers 3,
And it is tightened with nut；Nut is tightened, five lower stringers 3 can be connected to one, but this structure is needed lower vertical
It drills on beam 3.Preferably, the detachable structure 4 include be arranged in five lower 3 two sides of stringer to pulling block 41, with
And the split bolt 42 above and below lower stringer 3 is set；The both ends of two split bolts 42 be each passed through to pulling block 41 and
It is threadedly coupled with nut 43.In use, tightening nut 43, five lower stringers 3 can be fixedly connected by pulling block 41 by two
It is integrated.This detachable structure 4 does not need that through-hole, more convenient operation is arranged on lower stringer 3.
To make whole device uniform force, several transverse distribution beams 5 are spaced setting on main spandrel girder；Two neighboring cross
It is 0.3~0.5m to the spacing between distribution beam 5.Preferably, the spacing between two neighboring transverse distribution beam 5 is
0.4m.Each transverse distribution beam 5 includes two symmetrically arranged channel steels；Two channel steels constitute the structure that cross section is square shape,
Increase the structural strength of transverse distribution beam 5.
Further to make whole device uniform force, several upper beams 7 are spaced setting in upper longitudinal beam 6；It is two neighboring
Spacing between upper beam 7 is 0.3~0.5m.Preferably, the spacing between two neighboring upper beam 7 is 0.4m.
To avoid lower 3 unbalance stress of stringer, preferably, projection of the upper longitudinal beam 6 on main spandrel girder is located at
The middle position of main spandrel girder.The gravity that such setting can enable upper longitudinal beam 6 to bear is equal by transverse distribution beam 5
It is distributed to main spandrel girder evenly, improves the security performance of device.
Embodiment:
Certain construction site, each pier stud 1 Yan Shunqiao to width be 3.2m, the width along direction across bridge is 8.5m, and bridge
The width along direction across bridge of 8 bottom of box beam 0# block is 6.5m, that is to say, that along direction across bridge, 8 bottom of two sides ratio 0# block of pier stud 1
It is high to be reserved 2.3m concrete when pouring pier stud 1 for the part for making full use of the width to go out by wide 1m for the wide part out of each pier stud 1
Degree, as future insufficiency platform 12, which carries out building concrete after the completion of the construction of 0# block 8 again, and utilizes the future insufficiency
Platform 12 is used as main spandrel girder fulcrum, forms bracket, the specific steps are as follows:
1, four sandboxes 2 are set on each future insufficiency platform 12 of pier stud 1, on the ipsilateral sandbox 2 of two pier studs 1
Five I-steel are respectively arranged as main spandrel girder, is fixed every a distance with split bolt on five I-steel, makes five
I-steel has certain globality.
2, transverse distribution beam 5 is arranged with channel steel spacing 0.4m on main spandrel girder, transverse distribution beam 5 is perpendicular to main spandrel girder
Setting；A piece I-steel is set on the transverse distribution beam 5 of the every side of pier stud 1 as upper longitudinal beam 6.
3, then in the upper longitudinal beam 6 of 1 two sides of pier stud with I-steel spacing 0.4m arrange upper beam 7, upper beam 7 perpendicular to
Upper longitudinal beam 6 is arranged；Longitudinal distribution beam 9 is arranged with channel steel on upper beam 7, and in longitudinal distribution beam 9 arrangement plank as 0# block 8
Bed die, and arrange other brackets, then pour 0# block 8.
4, after 0# block 8 reaches corresponding intensity, the sand in sandbox 2 is dug out, reduces the height of entire holder device, so
Holder device is removed afterwards, casting concrete then is carried out to the 2.3m concrete height reserved on pier stud 1.
Claims (8)
1. continuous rigid frame bridge box beam 0# block cast-in-place support device, it is characterised in that: including two pier studs (1) along bridge to setting；
The top of each pier stud (1) is along direction across bridge by pier top platform (11) and positioned at the future insufficiency platform at pier top platform (11) both ends
(12) it constitutes；Sandbox (2) are provided on each future insufficiency platform (12)；The sandbox (2) ipsilateral positioned at two pier studs (1)
On be made of five be set side by side lower stringers (3) along bridge to main spandrel girder, the main spandrel girder is provided with, five lower stringers
(3) it is fixedly connected by detachable structure (4)；Several transverse distribution beams (5) are provided on the main spandrel girder；The transverse direction
In distribution beam (5) along bridge to being provided with upper longitudinal beam (6)；It is provided on several in the upper longitudinal beam (6) of pier stud (1) two sides
Crossbeam (7)；Several longitudinal distribution beams (9) are provided on the upper beam (7).
2. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 1, it is characterised in that: described detachable
Structure (4) includes setting to pulling block (41) and to be arranged above and below lower stringer (3) five lower stringer (3) two sides
Split bolt (42)；The both ends of two split bolts (42) are each passed through to pulling block (41) and are threadedly coupled with nut (43).
3. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 1 or 2, it is characterised in that: several
Transverse distribution beam (5) is spaced setting on main spandrel girder；Spacing between two neighboring transverse distribution beam (5) is 0.3~0.5m.
4. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 3, it is characterised in that: two neighboring cross
It is 0.4m to the spacing between distribution beam (5).
5. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 1 or 2, it is characterised in that: each cross
It include two symmetrically arranged channel steels to distribution beam (5)；Two channel steels constitute the structure that cross section is square shape.
6. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 1 or 2, it is characterised in that: several
Upper beam (7) is spaced setting on upper longitudinal beam (6)；Spacing between two neighboring upper beam (7) is 0.3~0.5m.
7. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 6, it is characterised in that: on two neighboring
Spacing between crossbeam (7) is 0.4m.
8. continuous rigid frame bridge box beam 0# block cast-in-place support device according to claim 1 or 2, it is characterised in that: on described
Projection of the stringer (6) on main spandrel girder is located at the middle position of main spandrel girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759804.3U CN208219432U (en) | 2018-05-21 | 2018-05-21 | Cast-in-place support device for 0# block of box girder of continuous rigid frame bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759804.3U CN208219432U (en) | 2018-05-21 | 2018-05-21 | Cast-in-place support device for 0# block of box girder of continuous rigid frame bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208219432U true CN208219432U (en) | 2018-12-11 |
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ID=64509233
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820759804.3U Active CN208219432U (en) | 2018-05-21 | 2018-05-21 | Cast-in-place support device for 0# block of box girder of continuous rigid frame bridge |
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| Country | Link |
|---|---|
| CN (1) | CN208219432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016439A (en) * | 2021-11-12 | 2022-02-08 | 中铁三局集团第五工程有限公司 | Construction method for upper pier body and No. 0 block bracket of rotating bridge in high pier |
-
2018
- 2018-05-21 CN CN201820759804.3U patent/CN208219432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016439A (en) * | 2021-11-12 | 2022-02-08 | 中铁三局集团第五工程有限公司 | Construction method for upper pier body and No. 0 block bracket of rotating bridge in high pier |
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