CN209178838U - The interim skewback of deck type box arch bridge construction - Google Patents
The interim skewback of deck type box arch bridge construction Download PDFInfo
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- CN209178838U CN209178838U CN201821958439.5U CN201821958439U CN209178838U CN 209178838 U CN209178838 U CN 209178838U CN 201821958439 U CN201821958439 U CN 201821958439U CN 209178838 U CN209178838 U CN 209178838U
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Abstract
The utility model discloses a kind of interim skewbacks of deck type box arch bridge construction, it including the L shape platform being laid on permanent skewback, the vertical supporting structure being laid on L shape platform, the horizontal shore being erected in vertical supporting structure and is fixed on horizontal shore and to the horizontally-supported seat that steel arch-shelf end is supported, permanent skewback is the armored concrete skewback for transverse girder between arch rib；L shape platform is the support platform of permanent skewback middle inside setting, and L shape platform is along the transverse bridge；L shape platform includes level support platform and vertical spacing platform, and pre-embedded steel slab is provided on vertical spacing platform, and vertical supporting structure includes multiple height-adjustable support mechanisms.The utility model simple structure and reasonable design and easy construction, using effect are good, by laying L shape platform on the permanent skewback of arch rib and laying vertical supporting structure, horizontal shore and horizontally-supported seat on L shape platform, it is dismounted easily, supported steel arch-shelf energy simplicity is gone up and down and translated.
Description
Technical field
The utility model belongs to technical field of bridge construction, more particularly, to a kind of construction of deck type box arch bridge with temporarily
Skewback.
Background technique
Deck Arch Bridges are that bridge deck is arranged bridge in spanning major bearing structures (i.e. arch rib) above, and skewback is by arch rib
End (also referred to as arch abutment) thrust passes to the component of basement rock, positioned at the junction at arch bridge both ends and basement rock, the arch of Deck Arch Bridges
Rib both ends are supported on skewback, and skewback is the important component for supporting spandrel structure.The skewback for being used to support arch rib is permanent arch
Seat, the permanent skewback are generally the reinforcing bar soil structure being supported on basement rock.It is reinforcing bar for arch rib (also referred to as main arch or arch ring)
When the deck type box arch bridge of concrete box girder is constructed, it is cast-in-place that arch rib generallys use the steel arch-shelf progress set up in advance in place
Construction.Nowadays, when setting up to steel arch-shelf, constructing operation is more casual, is usually all by the directly fixed support of steel arch-shelf
In on the permanent support of arch rib；After arch rib pouring molding, steel arch-shelf is removed.Steel arch-shelf is carried out using the above method
After erection, when steel arch-shelf is removed, since steel arch support is below the arch rib of construction molding, construction space is limited, and steel arch-shelf is torn open
Except inconvenience, and the fixation of steel arch rack position is irremovable, and using effect is poor.
Utility model content
The technical problem to be solved by the utility model is to, provide to hold in one kind in view of the deficiency of the prior art
Formula box arch bridge is constructed interim skewback, simple structure and reasonable design and easy construction, using effect are good, by arch rib
Permanent skewback on lay L shape platform and lay vertical supporting structure on L shape platform, horizontal shore and horizontally-supported seat are
Can, it is dismounted easily, and supported steel arch-shelf energy simplicity is gone up and down and translated.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of deck type box arch bridge construction
With interim skewback, it is characterised in that: including be laid on permanent skewback L shape platform, be laid in it is vertical on the L shape platform
It support construction, the horizontal shore being erected in the vertical supporting structure and is fixed on horizontal shore and to steel arch frame end
The horizontally-supported seat that portion is supported, the permanent skewback by for construction deck type box arch bridge transverse girder between arch rib reinforcing bar it is mixed
Solidifying soil skewback, the arch rib are In Reinforced Concrete Box Girder；The L shape platform is that the support of permanent skewback middle inside setting is flat
Platform, the L shape platform be reinforced concrete structure and its pour and be integrated with permanent skewback, the L shape platform is along direction across bridge cloth
If；The cross section of the L shape platform be L shape and it include level support platform and being laid in the vertical of level support platform upper outer
Limiting stand is provided with the pre-embedded steel slab that the horizontally-supported seat is fixed, the pre-embedded steel slab on the vertical spacing platform
Be arranged vertically and its along the transverse bridge, the pre-embedded steel slab is laid on the outside of the horizontally-supported seat；The vertical branch
Support structure is supported in level support platform, the vertical supporting structure include it is multiple be laid in from left to right along direction across bridge it is same perpendicular
The height-adjustable support mechanism faced directly；The horizontal shore along the transverse bridge and its be supported in multiple height can
It adjusts on supporting mechanism, the horizontally-supported seat is along the transverse bridge and its bottom is fixed on horizontal shore, the level
It is fixed on pre-embedded steel slab on the outside of support base.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the horizontal shore is steel box-girder.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the pre-embedded steel slab is rectangle steel plate, institute
It states and is provided with the more horizontal embedded bars that pre-embedded steel slab is fixed in vertical spacing platform, the horizontal embedded bar outer end
It is weldingly fixed on the inner sidewall of pre-embedded steel slab.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the length of the pre-embedded steel slab and permanent arch
The length of seat is identical, the pre-embedded steel slab with a thickness of 0.8cm~1.5cm and its width is 0.7m~0.9m.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the height-adjustable support mechanism is sand
Cylinder temporary support.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: multiple height-adjustable support mechanisms
In uniformly distributed, multiple fixing grooves fixed for height-adjustable support mechanism are provided in the level support platform.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the horizontally-supported depth of beam is 0.4m
~0.6m and its surface for being laid in the vertical supporting structure.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the horizontally-supported seat includes horizontally-supported
In on horizontal shore horizonal base plate, be fixed on right above horizonal base plate vertical supporting plate, be fixed on the inside of pre-embedded steel slab
Horizontal supporting plate and the skewed horizontal load plate that is laid between vertical supporting plate and horizontal supporting plate, it is the horizonal base plate, vertical
Support plate, horizontal supporting plate and skewed horizontal load plate are along the transverse bridge；The horizontal supporting plate is laid in vertical supporting plate
Side outside and the two connect the at L-shaped supporting element of shape, and the skewed horizontal load plate tilts gradually downward from the inside to the outside and its bottom is fixed
Junction between horizontal supporting plate and vertical supporting plate.
The interim skewback of above-mentioned deck type box arch bridge construction, it is characterized in that: the horizonal base plate, vertical supporting plate, water
Flat support plate and skewed horizontal load plate are elongate steel plate, between the horizonal base plate and vertical supporting plate, horizontal supporting plate with
Between pre-embedded steel slab and skewed horizontal load plate be fixedly connected between horizontal supporting plate and vertical supporting plate with welding manner.
Compared with the prior art, the utility model has the following advantages:
1, simple structure and reasonable design and investment construction cost it is lower.
2, easy construction, saving of work and time.
3, easy to use, using effect is good and practical value is high, flat by laying L shape on the permanent skewback of arch rib
Platform simultaneously lays vertical supporting structure on L shape platform, then horizontal shore and installation level branch are set up in vertical supporting structure
Seat is supportted, vertical supporting structure, horizontal shore and horizontally-supported seat are equal easy to be dismounted, and the later period removes simplicity, and institute
Support steel arch-shelf energy simplicity is gone up and down and is translated.
In conclusion the utility model simple structure and reasonable design and easy construction, using effect are good, by arch rib
Permanent skewback on lay L shape platform and lay vertical supporting structure on L shape platform, horizontal shore and horizontally-supported seat are
Can, it is dismounted easily, and supported steel arch-shelf energy simplicity is gone up and down and translated.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the vertical bridge of the utility model to structural schematic diagram.
Fig. 2 is the direction across bridge structural schematic diagram of the utility model pre-embedded steel slab and horizontal shore.
Fig. 3 is the structural schematic diagram of the utility model height-adjustable support mechanism, horizontal shore and horizontally-supported seat.
Description of symbols:
1-permanent skewback；2-1-level support platform；2-2-vertical spacing platform；
3-horizontal shores；4-1-horizonal base plate；
4-2-vertical supporting plate；4-3-horizontal supporting plate；4-4-skewed horizontal load plate；
5-arch ribs；6-height-adjustable support mechanisms；
7-pre-embedded steel slabs；8-fixing grooves；9-steel arch-shelfs.
Specific embodiment
As shown in Figure 1 and Figure 2, the utility model includes the L shape platform being laid on permanent skewback 1, is laid in the L shape
Vertical supporting structure on platform, the horizontal shore 3 being erected in the vertical supporting structure and it is fixed on horizontal shore 3
It is upper and to the horizontally-supported seat that 9 end of steel arch-shelf is supported, the permanent skewback 1 by for construction deck type box arch bridge
The armored concrete skewback that arch rib 5 supports, the arch rib 5 are In Reinforced Concrete Box Girder；The L shape platform is in permanent skewback 1
Middle side part setting support platform, the L shape platform be reinforced concrete structure and its pour and be integrated with permanent skewback 1, institute
State L shape platform along the transverse bridge；The cross section of the L shape platform be L shape and it include level support platform 2-1 and being laid in water
It is provided on vertical spacing the platform 2-2, the vertical spacing platform 2-2 of flat supporting table 2-1 upper outer to the horizontally-supported seat
The pre-embedded steel slab 7 being fixed, the pre-embedded steel slab 7 be arranged vertically and its along the transverse bridge, 7 cloth of pre-embedded steel slab
On the outside of the horizontally-supported seat；The vertical supporting structural support is on level support platform 2-1, the vertical supporting structure
Including multiple height-adjustable support mechanisms 6 being laid in from left to right along direction across bridge on same vertical plane；It is described horizontally-supported
Beam 3 is along the transverse bridge and it is supported in multiple height-adjustable support mechanisms 6, and the horizontally-supported seat is along direction across bridge
It lays and its bottom is fixed on horizontal shore 3, be fixed on pre-embedded steel slab 7 on the outside of the horizontally-supported seat.
In the present embodiment, the horizontal shore 3 is steel box-girder.
To be fixed easy, firm, the pre-embedded steel slab 7 is rectangle steel plate, is provided in the vertical spacing platform 2-2 more
The horizontal embedded bar that pre-embedded steel slab 7 is fixed in root, the horizontal embedded bar outer end are weldingly fixed on pre-embedded steel slab 7
On inner sidewall.
In the present embodiment, the length of the pre-embedded steel slab 7 is identical as the length of permanent skewback 1, the thickness of the pre-embedded steel slab 7
Degree is 0.8cm~1.5cm and its width is 0.7m~0.9m.
When practice of construction, according to specific needs, the thickness and width of pre-embedded steel slab 7 is adjusted accordingly respectively.
In the present embodiment, the height-adjustable support mechanism 6 is sand cylinder temporary support.
The sand cylinder temporary support includes the lower cylinder of upper opening and is from top to bottom set in the lower cylinder and can carry out
The upper cylinder slid up and down, the upper cylinder and the lower cylinder are cylindrical tube.
Multiple height-adjustable support mechanisms 6 are provided with multiple for height in uniformly distributed on the level support platform 2-1
Spend the fixed fixing groove 8 of adjustable support mechanism 6.
In the present embodiment, the quantity of the height-adjustable support mechanism 6 is 5, the fixing groove 8 be cube and its
Depth is less than the height of height-adjustable support mechanism 6.
When practice of construction, according to specific needs, quantity to height-adjustable support mechanism 6 and each height-adjustable
The installation position of supporting mechanism 6 adjusts accordingly respectively.
To be fixed, the horizontal shore 3 and multiple height-adjustable support mechanisms 6
In the present embodiment, the height of the horizontal shore 3 be 0.4m~0.6m and its be laid in the vertical supporting knot
The surface of structure.When practice of construction, according to specific needs, the height of horizontal shore 3 is adjusted accordingly.
As shown in figure 3, the horizontally-supported seat includes the horizonal base plate 4-1 being supported horizontally on horizontal shore 3, fixation
It vertical supporting plate 4-2 right above horizonal base plate 4-1, the horizontal supporting plate 4-3 for being fixed on 7 inside of pre-embedded steel slab and is laid in
Skewed horizontal load plate 4-4, the horizonal base plate 4-1, vertical supporting plate 4- between vertical supporting plate 4-2 and horizontal supporting plate 4-3
2, horizontal supporting plate 4-3 and skewed horizontal load plate 4-4 be along the transverse bridge；The horizontal supporting plate 4-3 is laid in vertical supporting
Plate 4-2 upper outer and the two connect the at L-shaped supporting element of shape, the skewed horizontal load plate 4-4 from the inside to the outside gradually downward inclination and
Its bottom is fixed on the junction between horizontal supporting plate 4-3 and vertical supporting plate 4-2.
For easy construction and fixed, the horizonal base plate 4-1, vertical supporting plate 4-2, horizontal supporting plate 4-3 and tiltedly
Be elongate steel plate to support plate 4-4, between the horizonal base plate 4-1 and vertical supporting plate 4-2, horizontal supporting plate 4-3 with
With welding manner between pre-embedded steel slab 7 and between skewed horizontal load plate 4-4 and horizontal supporting plate 4-3 and vertical supporting plate 4-2
It is fixedly connected.
When practice of construction, when constructing to permanent skewback 1, in the inside of the permanent skewback 1 construction L shape platform, and
Multiple fixing grooves 8 are reserved in the L shape platform.Before being set up to steel arch-shelf 9, first pacify respectively in each fixing groove 8
A height-adjustable support mechanism 6 is filled, and horizontal shore 3 is carried out by multiple height-adjustable support mechanisms 6
Support；To ensure stability, horizontal shore 3 and the horizontally-supported seat secure weld are fixed as one, just constructed
Molding interim skewback.Meanwhile the vertical spacing platform 2-2 is used as parados.
In actual use, when carrying out off-load to steel arch-shelf 9, it is only necessary to will by multiple height-adjustable support mechanisms 6
Steel arch-shelf 9 declines, and practical operation is very easy；And after declining steel arch-shelf 9, convenient for being removed to steel arch-shelf 9, make
The demolishing process of steel arch-shelf 9 is not influenced by construction molding arch rib 5.In addition, since horizontal shore 3 is supported horizontally on multiple institutes
It states in height-adjustable support mechanism 6, Level Promoting horizontal shore 3 can push steel arch-shelf 9 to be translated on direction across bridge, with
Just by steel arch-shelf 9 be moved to another location carry out remove or for future use, usage mode is flexible and using effect is good.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (9)
- The interim skewback 1. a kind of deck type box arch bridge is constructed, it is characterised in that: including the L being laid on permanent skewback (1) Shape platform, the vertical supporting structure being laid on the L shape platform, the horizontal shore being erected in the vertical supporting structure (3) it and is fixed on horizontal shore (3) and to the horizontally-supported seat that steel arch-shelf (9) end is supported, the permanent skewback (1) by for construction deck type box arch bridge arch rib (5) support armored concrete skewback, the arch rib (5) is mixed for reinforcing bar Solidifying soil box beam；The L shape platform is the support platform of permanent skewback (1) middle inside setting, and the L shape platform is reinforced concrete Soil structure and its pour and be integrated with permanent skewback (1), the L shape platform is along the transverse bridge；The cross section of the L shape platform For L shape and it include level support platform (2-1) and the vertical spacing platform (2-2) for being laid in level support platform (2-1) upper outer, The pre-embedded steel slab (7) that the horizontally-supported seat is fixed, the pre-embedded steel slab are provided on the vertical spacing platform (2-2) (7) be arranged vertically and its along the transverse bridge, the pre-embedded steel slab (7) is laid on the outside of the horizontally-supported seat；It is described Vertical supporting structural support on level support platform (2-1), the vertical supporting structure include it is multiple along direction across bridge from left to right The height-adjustable support mechanism (6) being laid on same vertical plane；The horizontal shore (3) is along the transverse bridge and it is propped up It supports on multiple height-adjustable support mechanisms (6), the horizontally-supported seat is along the transverse bridge and its bottom is fixed on On horizontal shore (3), it is fixed on pre-embedded steel slab (7) on the outside of the horizontally-supported seat.
- The interim skewback 2. deck type box arch bridge described in accordance with the claim 1 is constructed, it is characterised in that: described horizontally-supported Beam (3) is steel box-girder.
- The interim skewback 3. deck type box arch bridge according to claim 1 or 2 is constructed, it is characterised in that: described pre-buried Steel plate (7) is rectangle steel plate, is provided with the more water that pre-embedded steel slab (7) is fixed in the vertical spacing platform (2-2) Flat embedded bar, the horizontal embedded bar outer end are weldingly fixed on the inner sidewall of pre-embedded steel slab (7).
- The interim skewback 4. deck type box arch bridge described in accordance with the claim 3 is constructed, it is characterised in that: the pre-embedded steel slab (7) length is identical as the length of permanent skewback (1), the pre-embedded steel slab (7) with a thickness of 0.8cm~1.5cm and its width For 0.7m~0.9m.
- The interim skewback 5. deck type box arch bridge according to claim 1 or 2 is constructed, it is characterised in that: the height Adjustable support mechanism (6) is sand cylinder temporary support.
- The interim skewback 6. deck type box arch bridge according to claim 1 or 2 is constructed, it is characterised in that: multiple described Height-adjustable support mechanism (6) is provided with multiple for height-adjustable support in uniformly distributed on the level support platform (2-1) The fixed fixing groove (8) of mechanism (6).
- The interim skewback 7. deck type box arch bridge according to claim 1 or 2 is constructed, it is characterised in that: the level The height of supporting beam (3) is 0.4m~0.6m and its surface for being laid in the vertical supporting structure.
- The interim skewback 8. deck type box arch bridge according to claim 1 or 2 is constructed, it is characterised in that: the level Support base includes the horizonal base plate (4-1) being supported horizontally on horizontal shore (3), is fixed on right above horizonal base plate (4-1) Vertical supporting plate (4-2), the horizontal supporting plate (4-3) that is fixed on the inside of pre-embedded steel slab (7) and be laid in vertical supporting plate (4- 2) the skewed horizontal load plate (4-4) between horizontal supporting plate (4-3), the horizonal base plate (4-1), vertical supporting plate (4-2), water Flat support plate (4-3) and skewed horizontal load plate (4-4) are along the transverse bridge；The horizontal supporting plate (4-3) is laid in vertical branch Fagging (4-2) upper outer and the two connect the at L-shaped supporting element of shape, and the skewed horizontal load plate (4-4) is from the inside to the outside gradually downward It tilts and its bottom is fixed on the junction between horizontal supporting plate (4-3) and vertical supporting plate (4-2).
- 9. the interim skewback of deck type box arch bridge construction according to claim 8, it is characterised in that: the horizonal base plate (4-1), vertical supporting plate (4-2), horizontal supporting plate (4-3) and skewed horizontal load plate (4-4) are elongate steel plate, the level Between bottom plate (4-1) and vertical supporting plate (4-2), between horizontal supporting plate (4-3) and pre-embedded steel slab (7) and skewed horizontal load plate It is fixedly connected between (4-4) and horizontal supporting plate (4-3) and vertical supporting plate (4-2) with welding manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958439.5U CN209178838U (en) | 2018-11-27 | 2018-11-27 | The interim skewback of deck type box arch bridge construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958439.5U CN209178838U (en) | 2018-11-27 | 2018-11-27 | The interim skewback of deck type box arch bridge construction |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396942A (en) * | 2019-08-22 | 2019-11-01 | 中铁二十局集团第三工程有限公司 | Deck Arch Bridges construction steel arch-shelf assembly and crossing system and method |
| CN110438908A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of deck type box arch bridge rebuilding construction method |
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
| CN110438907A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of Deck Arch Bridges construction method based on steel arch-shelf |
| CN111851317A (en) * | 2020-08-25 | 2020-10-30 | 中交路桥华南工程有限公司 | Method for installing arch ring of arch bridge |
| CN111877126A (en) * | 2020-08-25 | 2020-11-03 | 中交路桥华南工程有限公司 | Method for installing arch ring of arch bridge |
| CN113897880A (en) * | 2021-11-22 | 2022-01-07 | 贵州桥梁建设集团有限责任公司 | Method for cast-in-place construction of short-span suspended assembly arch center of large-span concrete arch bridge |
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2018
- 2018-11-27 CN CN201821958439.5U patent/CN209178838U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396942A (en) * | 2019-08-22 | 2019-11-01 | 中铁二十局集团第三工程有限公司 | Deck Arch Bridges construction steel arch-shelf assembly and crossing system and method |
| CN110438908A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of deck type box arch bridge rebuilding construction method |
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
| CN110438907A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of Deck Arch Bridges construction method based on steel arch-shelf |
| CN110438908B (en) * | 2019-08-22 | 2022-02-08 | 中铁二十局集团第三工程有限公司 | Deck-type box-type arch bridge reconstruction construction method |
| CN110438906B (en) * | 2019-08-22 | 2022-02-15 | 中铁二十局集团有限公司 | Arch rib construction method for deck box type arch bridge |
| CN110396942B (en) * | 2019-08-22 | 2024-02-27 | 中铁二十局集团第三工程有限公司 | Steel arch frame assembling and traversing system and method for upper bearing arch bridge construction |
| CN111851317A (en) * | 2020-08-25 | 2020-10-30 | 中交路桥华南工程有限公司 | Method for installing arch ring of arch bridge |
| CN111877126A (en) * | 2020-08-25 | 2020-11-03 | 中交路桥华南工程有限公司 | Method for installing arch ring of arch bridge |
| CN111851317B (en) * | 2020-08-25 | 2022-08-30 | 中交路桥华南工程有限公司 | Method for installing arch ring of arch bridge |
| CN113897880A (en) * | 2021-11-22 | 2022-01-07 | 贵州桥梁建设集团有限责任公司 | Method for cast-in-place construction of short-span suspended assembly arch center of large-span concrete arch bridge |
| CN113897880B (en) * | 2021-11-22 | 2023-09-12 | 贵州桥梁建设集团有限责任公司 | Method for cast-in-situ construction of short-span suspension spliced arch bridge of large-span concrete arch bridge |
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