CN103422445B - Constructing method of high temporary bridge crossing river in extremely cold area - Google Patents
Constructing method of high temporary bridge crossing river in extremely cold area Download PDFInfo
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- CN103422445B CN103422445B CN201310397976.2A CN201310397976A CN103422445B CN 103422445 B CN103422445 B CN 103422445B CN 201310397976 A CN201310397976 A CN 201310397976A CN 103422445 B CN103422445 B CN 103422445B
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Abstract
The invention discloses a constructing method of a high temporary bridge crossing a river in an extremely cold area. The constructing method includes the following steps: (1) multiple sets of steel pipe piles are sequentially inserted into the opposite bank at intervals from one bank of the river, and each set of the steel pipe piles serves as a bridge pier; (2) the multiple steel pipe piles of each bridge pier are connected in a welded mode to form a circle through channel steel, and then the two transverse sides of each bridge pier are respectively provided with a reinforcing steel pipe pile with the pile body exposed out of a water surface in an inserted mode; (3) the top end of each steel pipe pile is provided with a pile cap in a welded mode; (4) the pile caps of the same-row steel pipe piles of each bridge pier are provided with an H-shaped steel capping beam in a welded mode in the transverse direction; (5) a full-length Beiley beam longitudinally arranged from one bank of the river to the opposite bank is spliced and installed on the tops of the multiple H-shaped steel capping beams; (6) a plurality of beams are welded to the full-length Beiley beam at intervals in the transverse direction, and then a full-piece steel plate is fixed to the beams; (7) mixed river sand is filled in bridge head portions at the two ends of the temporary bridge. The constructing method is high in safety and large in bearing load.
Description
Technical field
The present invention relates to a kind of suspension bridge construction method, particularly relate to the high suspension bridge construction method that rivers are crossed in a kind of extremely cold area.
Background technology
Along with the fast development day by day of Chinese national economy, it is growing that construction of road and bridge is invested.In bridge construction, at present the bridge crossing over great rivers is got more and more.For convenience of rivers both sides bridge construction and transport of materials, build make-shift bridge, make the streamflow of perennial stream smooth and easy by suspension bridge in bridge both sides, can not form what and block up, and suspension bridge firm stable, safety are high, bearing load power is large.
The patent of having authorized is learnt by retrieval:
1 application number is: the Chinese patent of CN201120112826.9 discloses " Combined temporary bridge ", the utility model relates to a kind of Combined temporary bridge, comprise the guardrail of the both sides of base plate and mounting base, it is characterized in that: described guardrail comprises bottom tube and n shape pipe, described n shape pipe is arranged on the top of bottom tube by bindiny mechanism, between described bottom tube and n shape pipe, be provided with two crossbeams be parallel to each other, be provided with several vertical beam between two described crossbeams, between described bottom tube, tube connector be installed.The utility model has the advantages that: the guardrail of base plate and both sides is independent installations, can separate, taking up room and greatly reducing when depositing and transport, and carries easy accessibility, not only attractive in appearance but also safety.Be a kind of Combined temporary bridge disclosed in this patent, be not suitable for the suspension bridge crossing over great rivers.
2 application numbers are: the Chinese patent of CN201020155405.X discloses " steel suspension bridge braced structures ", the utility model discloses a kind of steel suspension bridge braced structures, comprise support column group and a left side, right Bailey bracket, its main points are: the support column of described support column group is arranged side by side, all connect through bridging between the adjacent supports post of this support column group, longitudinal beam group is fixed with in the support column upper end of longitudinal arrangement, transverse beam group is fixed with in described longitudinal beam group upper end, in this transverse beam group, two ends are symmetrically fixed with a left side, right Bailey bracket, on this left side, transverse distribution beam group is fixed with between right Bailey bracket, this transverse distribution beam group is fixed with longitudinal distribution beam group, described longitudinal distribution beam group is equipped with panel.Use of the present utility model greatly facilitates construction, the utility model cost low and be convenient to dismounting; Have be skillfully constructed, the feature such as structure is simple, implement easily, good reliability.Although this patent is disclosed is steel suspension bridge braced structures, be not suitable for the steel suspension bridge bridge pier in extremely cold area, the river freezed winter, spring, interim ice cube directly can clash into suspension bridge bridge pier, caused suspension bridge bridge pier unstability.
3. application number is: the Chinese patent of CN201210162725.1 discloses " island cofferdam construction method built by a kind of sidewalk, suspension bridge and cushion cap ", what the invention discloses a kind of sidewalk, suspension bridge and cushion cap builds island cofferdam construction method, from both sides, river course simultaneously the step that includes of construction be: (a) to carry out successively from side, river course the first pioneer road build island, the first suspension bridge build island; B () is in the pile foundation of building the first suspension bridge that island constructs of the first suspension bridge; What c () filled the first cushion cap at the first described pioneer road one sidewall while construction first suspension bridge pile foundation builds island, in the pile foundation of building the first cushion cap that island constructs of the first cushion cap; D (), after the pile foundation of the first suspension bridge completes, the Bailey bracket group that the pier stud of the pile foundation of the first suspension bridge sets up the first suspension bridge is abandoned steel truss girder; (e) repeat in the front end of the first suspension bridge described in step (a) to (d) until from the construction of building cofferdam, island completing the sidewalk in whole river course, suspension bridge and cushion cap in the middle of both sides, river course to river course.
4. application number is: the Chinese patent of CN201220231101.6 discloses " island cofferdam construction structure built by a kind of sidewalk, suspension bridge and cushion cap ", what the utility model discloses a kind of sidewalk, suspension bridge and cushion cap builds island cofferdam construction structure, it comprises multiple syndeton be connected successively from side, river course to river course opposite side, each syndeton includes sidewalk, cushion cap has been filled at a sidewall of described sidewalk, be connected by suspension bridge between two adjacent sidewalks, abandon steel truss girder in the added Bailey bracket group that is provided with of the pier stud of the pile foundation of each suspension bridge.Adopt the utility model structure: the material that cofferdam, island is built at scene is all gathered materials on the spot, and to build island material be the original sand in the Yellow River, can not pollute the Yellow River itself, protect environment.And regard the environment of Around Bridge as an organic system, the mud in work progress and discarded object etc., clear the appointed place of engineering in time, removes clean, in order to avoid polluted river channel when Practical Completion.
Although 3-4 item patent is disclosed is sidewalk, island cofferdam construction built by suspension bridge and cushion cap, be not suitable for the steel suspension bridge bridge pier in extremely cold area, the river freezed winter, spring, interim ice cube can direct shock suspension bridge bridge pier, caused suspension bridge bridge pier unstability.
Summary of the invention
The high suspension bridge construction method of rivers is crossed in the object of the present invention is to provide a kind of suspension bridge firm stable, safety high, bearing load is large and construction method is easy, saved cost, save the extremely cold area of duration.
A kind of high suspension bridge construction method of crossing over rivers of the present invention, it comprises the following steps:
(1) from the side bank of rivers successively interval to offside bank inserted to play many groups steel pipe pile, each described group steel pipe pile is as a bridge pier, and each group steel pipe pile is made up of multiple steel pipe pile, concreting in the steel pipe pile then described in each;
(2) be weldingly connected adopting channel-section steel to form a circle between many steel pipe piles of each bridge pier, connect for entirety to make each bridge pier, then at the both lateral sides reinforcing steel pipe pile that surfaces of inserted to play one pile body respectively of each bridge pier, then each is reinforced steel pipe pile be connected with the support channel-section steel that two steel pipe piles of the next-door neighbour of the corresponding bridge pier arranged adopt oblique top to arrange;
(3) at every root steel pipe pile top welding pile cover;
(4) on same row's steel pipe pile pile cover of each bridge pier, an i iron bent cap is transversely welded;
(5) many i iron bent cap top splicings, the elongated Bailey beam longitudinally arranged from the side bank of rivers to offside bank is together installed;
(6) in elongated Bailey beam, transversely many crossbeams are welded at interval, on crossbeam, then fix completely spreading steel plate;
(7) mixed river sand is adopted to fill at the end of the bridge position at suspension bridge two ends, mix around the sand of river at end of the bridge and squeeze into Larsen steel sheet pile, at the bridge floor of the end of the bridge filling mixed river sand, reinforced mesh is installed, and concreting, form end of the bridge bridge floor, described end of the bridge bridge floor is made up of ramp portion and planar section, and planar section is connected with bridge surface armor plate and is in same level position with bridge surface armor plate, the length of planar section is not less than two meters, and ramp portion is connected with highway.
The inventive method for convenience of rivers both sides bridge construction, is built make-shift bridge in bridge both sides, is made the streamflow of perennial stream smooth and easy by suspension bridge, can not form what and block up, and suspension bridge firm stable, safety are high, and bearing load is large.Build concrete in bridge pier steel pipe pile, improve the bearing capacity of bridge pier.Reinforce the steel pipe pile diagonal channel-section steel be connected with four turnings of the channel-section steel formed a circle that is connected with the support channel-section steel that the corresponding oblique top arranged is arranged and define a bridge pier reinforcement system preventing ice cube from clashing into.The suspension bridge body of a bridge is high, and flood season can not flood bridge floor temporarily.The ice cube freezed winter, spring also can not directly clash into suspension bridge bridge pier temporarily.And construction method easy, saved cost, saved the duration.
Accompanying drawing explanation
Fig. 1 is the suspension bridge schematic top plan view that the high suspension bridge construction method adopting a kind of extremely cold area of the present invention to cross over rivers is built;
Fig. 2 is the suspension bridge elevational schematic view shown in Fig. 1;
Fig. 3 is the suspension bridge side schematic view shown in Fig. 1;
Fig. 4 is the A place enlarged drawing of the suspension bridge shown in Fig. 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of high suspension bridge construction method of crossing over rivers of the present invention as shown in drawings, it comprises the following steps: (1) is from the side bank of rivers successively interval to offside bank inserted to play many groups steel pipe pile, each described group steel pipe pile is as a bridge pier, each group steel pipe pile is made up of many steel pipe piles 1, then concreting in the steel pipe pile described in each root; (2) be weldingly connected adopting channel-section steel 3 to form a circle between many steel pipe piles of each bridge pier, connect for entirety to make each bridge pier, then at the both lateral sides reinforcing steel pipe pile 1-2 that surfaces of inserted to play one pile body respectively of each bridge pier, then each is reinforced steel pipe pile 1-2 be connected with the support channel-section steel 2 that two steel pipe piles of the next-door neighbour of the corresponding bridge pier arranged adopt oblique top to arrange; (3) at every root steel pipe pile top welding pile cover 4; (4) on same row's steel pipe pile pile cover of each bridge pier, an i iron bent cap 5 is transversely welded; (5) many i iron bent cap top splicings, the elongated Bailey beam 8 longitudinally arranged from the side bank of rivers to offside bank is together installed; (6) in elongated Bailey beam, transversely many crossbeams 11 are welded at interval, then fixing completely paving steel plate 12 on crossbeam; (7) adopt mixed river sand 6 to fill at the end of the bridge position at suspension bridge two ends, mix around the sand of river at end of the bridge and squeeze into Larsen steel sheet pile 7, for sealing and Stability Analysis of Structures.At the bridge floor of the end of the bridge filling mixed river sand, reinforced mesh is installed, and concreting 10, form end of the bridge bridge floor, described end of the bridge bridge floor is made up of ramp portion and planar section, planar section is connected with bridge surface armor plate and is in same level position with bridge surface armor plate, the length of planar section is not less than two meters, and ramp portion is connected with highway.
Each corner at four turnings of preferred channel-section steel 3 connects channel-section steel 9 respectively by one and is weldingly connected in diagonal positions with the i iron bent cap 5 of oblique upper.Advantage reinforces the firmness of each group steel pipe pile.
Each group steel pipe pile preferred is made up of two rows, and between two row's steel pipe piles, parallel interval is arranged.Advantage ensures each the group tolerance of steel pipe pile and balance and stability of whole suspension bridge.
Embodiment 1
(1) from the side bank of rivers successively interval to offside bank inserted to play many groups steel pipe pile, each described group steel pipe pile is as a bridge pier, each group steel pipe pile is made up of many steel pipe piles 1, and each group steel pipe pile is made up of two rows, and between two row's steel pipe piles, parallel interval is arranged.Then concreting in the steel pipe pile described in each root; (2) be weldingly connected adopting channel-section steel 3 to form a circle between many steel pipe piles of each bridge pier, connect for entirety to make each bridge pier, then at the both lateral sides reinforcing steel pipe pile 1-2 that surfaces of inserted to play one pile body respectively of each bridge pier, then each is reinforced steel pipe pile 1-2 be connected with the support channel-section steel 2 that two steel pipe piles of the next-door neighbour of the corresponding bridge pier arranged adopt oblique top to arrange; Each corner at four turnings of channel-section steel 3 connects channel-section steel 9 respectively by one and is weldingly connected in diagonal positions with i iron bent cap 5.(3) at every root steel pipe pile top welding pile cover 4; (4) on same row's steel pipe pile pile cover of each bridge pier, an i iron bent cap 5 is transversely welded; (5) many i iron bent cap top splicings, the elongated Bailey beam 8 longitudinally arranged from the side bank of rivers to offside bank is together installed; (6) in elongated Bailey beam, transversely many crossbeams 11 are welded at interval, then fixing completely paving steel plate 12 on crossbeam; (7) adopt mixed river sand 6 to fill at the end of the bridge position at suspension bridge two ends, mix around the sand of river at end of the bridge and squeeze into Larsen steel sheet pile 7, for sealing and Stability Analysis of Structures.At the bridge floor at the end of the bridge filling mixed river sand, reinforced mesh is installed, and concreting 10, form end of the bridge bridge floor, described end of the bridge bridge floor is made up of ramp portion and planar section, planar section is connected with bridge surface armor plate and is in same level position with bridge surface armor plate, the length of planar section is not less than two meters, and ramp portion is connected with highway.
Suspension bridge firm stable, safety are high after testing, and bearing load is large.Save the expense of maintenance bridge pier, through estimate cost-saving 2%, save 15 days durations.
Claims (3)
1. cross over a high suspension bridge construction method for rivers, it is characterized in that it comprises the following steps:
(1) from the side bank of rivers successively interval to offside bank inserted to play many groups steel pipe pile, each described group steel pipe pile is as a bridge pier, and each group steel pipe pile is made up of many steel pipe piles, then concreting in the steel pipe pile described in each root;
(2) be weldingly connected adopting channel-section steel to form a circle between many steel pipe piles of each bridge pier, connect for entirety to make each bridge pier, then at the both lateral sides reinforcing steel pipe pile that surfaces of inserted to play one pile body respectively of each bridge pier, then each is reinforced steel pipe pile be connected with the support channel-section steel that two steel pipe piles of the next-door neighbour of the corresponding bridge pier arranged adopt oblique top to arrange;
(3) at every root steel pipe pile top welding pile cover;
(4) on same row's steel pipe pile pile cover of each bridge pier, an i iron bent cap is transversely welded;
(5) many i iron bent cap top splicings, the elongated Bailey beam longitudinally arranged from the side bank of rivers to offside bank is together installed;
(6) in elongated Bailey beam, transversely many crossbeams are welded at interval, on crossbeam, then fix completely spreading steel plate;
(7) mixed river sand is adopted to fill at the end of the bridge position at suspension bridge two ends, mix around the sand of river at end of the bridge and squeeze into Larsen steel sheet pile, at the bridge floor of the end of the bridge filling mixed river sand, reinforced mesh is installed, and concreting, form end of the bridge bridge floor, described end of the bridge bridge floor is made up of ramp portion and planar section, and planar section is connected with bridge surface armor plate and is in same level position with bridge surface armor plate, the length of planar section is not less than two meters, and ramp portion is connected with highway.
2. a kind of high suspension bridge construction method of crossing over rivers according to claim 1, is characterized in that: each corner at four turnings of described channel-section steel is that diagonal positions is weldingly connected respectively by the i iron bent cap that connects channel-section steel and oblique upper.
3. a kind of high suspension bridge construction method of crossing over rivers according to claim 1 and 2, is characterized in that: each group steel pipe pile is made up of two rows, and between two row's steel pipe piles, parallel interval is arranged.
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| CN201310397976.2A CN103422445B (en) | 2013-09-04 | 2013-09-04 | Constructing method of high temporary bridge crossing river in extremely cold area |
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| CN201310397976.2A CN103422445B (en) | 2013-09-04 | 2013-09-04 | Constructing method of high temporary bridge crossing river in extremely cold area |
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| CN108166395B (en) * | 2017-12-26 | 2019-05-10 | 中铁四局集团路桥工程有限公司 | A kind of construction method for building beam bridge across Business Line |
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| JP2005299080A (en) * | 2004-04-06 | 2005-10-27 | Hanshin Expressway Public Corp | Earthquake-resistant bridge pier |
| JP4286737B2 (en) * | 2004-07-12 | 2009-07-01 | 株式会社竹中土木 | Construction method of pier |
| CN201826292U (en) * | 2010-10-28 | 2011-05-11 | 中铁十三局集团有限公司 | Bare rock steel pipe pile platform in steep slopes under deep sea |
| CN202273169U (en) * | 2011-10-25 | 2012-06-13 | 中建七局第三建筑有限公司 | Trestle |
| CN202530367U (en) * | 2012-03-14 | 2012-11-14 | 中铁二十二局集团第一工程有限公司 | Deepwater complex geology foundation construction system |
| CN102720136B (en) * | 2012-05-22 | 2014-06-25 | 中国建筑第六工程局有限公司 | Island and cofferdam construction method for roads, bridges and bearing platforms |
| CN102677592B (en) * | 2012-05-24 | 2014-09-10 | 中国水电建设集团十五工程局有限公司 | Method for erecting deepwater steel trestle and platform on exposed bedrock in shallow sea |
| CN202989757U (en) * | 2012-07-19 | 2013-06-12 | 中铁十六局集团第一工程有限公司 | Landing stage flood protection device of river bed bare rock |
| CN203049443U (en) * | 2012-12-14 | 2013-07-10 | 中铁上海工程局有限公司 | High level trestle structure arranged on steep bare rock of deepwater torrent unsheathed layer |
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