CN103061242A - Sound-barrier simply-supported T-beam bridge - Google Patents
Sound-barrier simply-supported T-beam bridge Download PDFInfo
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- CN103061242A CN103061242A CN201310008011XA CN201310008011A CN103061242A CN 103061242 A CN103061242 A CN 103061242A CN 201310008011X A CN201310008011X A CN 201310008011XA CN 201310008011 A CN201310008011 A CN 201310008011A CN 103061242 A CN103061242 A CN 103061242A
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Abstract
The invention relates to the technical field of railway bridges and particularly discloses a sound-barrier simply-supported T-beam bridge which comprises a plurality of simply supported T-beams. Each simply supported T-beam is formed by connecting a plurality of simply supported T-beam units end to end. The simply supported T-beams are transversely connected through transverse partitions, wet joints and concrete. Concrete cast-in-place decks are arranged outside the simply supported T-beams on two sides. The upper surfaces of the simply supported T-beams, the upper surfaces of concrete connections and the upper surfaces of the concrete cast-in-place decks form an integral bridge deck. The whole integral bridge deck is provided with transverse prestressed bars. Sound-barrier column foundations are arranged outside the concrete cast-in-place decks, and sound-barrier columns are arranged at the sound-barrier column foundations. A sound barrier is arranged between each two adjacent columns. The performance of the railway bridge is improved, the railway bridge meets the requirement of providing the sound barrier by the aid of the integral bridge deck, sound barrier absorbs or isolates noise generated in running process of trains and the influence of the trains upon lives of nearby residents is reduced.
Description
Technical field
The present invention relates to the railroad bridge technical field, relate in particular to a kind of simple T beam bridge with sound barrier.
Background technology
What adopt greatly in the China railways bridge is the Simple T-Girders structure, and a Simple T-Girders is formed by multi-disc Simple T-Girders unit combination, and the single-track railway bridge is comprised of two Simple T-Girders generally speaking, and dual-line railway bridge is comprised of four Simple T-Girders.Above-mentioned this Simple T-Girders monolithic beam volume less does not need large-scale transportation and setting up girder, can pass through the existing railway line long distance transportation, therefore has more maneuverability.
Sound barrier is a facility that is arranged between sound source and the recipient, make Acoustic Wave Propagation that a significant additional attenuation be arranged, thereby weaken the interior influence of noise of certain area at recipient place, in railway territory, sound barrier mainly is the noise that produces be used to weakening train.
Extensively adopted the Simple T-Girders structure on China's Speed 200 km/h and the following passenger-cargo co railway, span comprises 32m, 24m, 20m, 16m and 12m, its structure types is post-tensioned prestressing concrete beam, and the angle bar frame scheme is all adopted on the sidewalk of Simple T-Girders, do not consider the load of sound barrier in this structure design, and be not easy to install sound barrier on the angle bar frame, can not satisfy the requirement that sound barrier is set in the bridge both sides.
Summary of the invention
The technical problem that (one) will solve
The purpose of this invention is to provide a kind of simple T beam bridge with sound barrier, in design, do not consider the load of sound barrier with the Simple T-Girders that overcomes prior art, and be not easy to install sound barrier on the angle bar frame, thereby be not suitable for arranging the problem of sound barrier.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of simple T beam bridge with sound barrier, comprise the multi-disc Simple T-Girders, described Simple T-Girders is joined end to end by a plurality of Simple T-Girders unit and forms, and the junction of each Simple T-Girders unit all is positioned on the bridge pier, each Simple T-Girders laterally links together by the wet joint concrete of diaphragm, the outside of the Simple T-Girders of both sides is provided with the concrete cast-in-situ bridge deck, the upper surface of described each Simple T-Girders, the upper surface of the upper surface of concrete junction and concrete cast-in-situ bridge deck forms an integrated deck, and described integrated deck plate is provided with horizontal presstressed reinforcing steel; The outside of described concrete cast-in-situ bridge deck is provided with the noise barrier stand column basis, and place, described noise barrier stand column basis is provided with noise barrier stand column, is provided with sound barrier between the two adjacent columns.
Preferably, described Simple T-Girders is divided into two kinds of side bar and central sills, and described side bar is the Simple T-Girders of both sides, and described central sill is two Simple T-Girders between the side bar; One section platform is stretched out in the outside of described side bar, and the height of described platform is lower than the height of Simple T-Girders, and described concrete cast-in-situ bridge deck are superimposed is overlapped on the described platform.
Preferably, the quantity of described Simple T-Girders is two, and two Simple T-Girders are side bar, and two side bars form single-line railway bridge.
Perhaps, the quantity of described Simple T-Girders is four, and wherein two outsides is side bar, two centres be central sill, and two side bars and two central sills form double-line railway bridges.
Preferably, described Simple T-Girders is precast beam.
Preferably, the middle part of described concrete cast-in-situ bridge deck is provided with gear Zha Qiang, and the distance between two gear tiny fragments of stone, coal, etc. walls satisfies the requirement of the large machine maintenance of circuit, is the sidewalk between described gear Zha Qiang and the sound barrier.
Preferably, the sidewalk of the concrete cast-in-situ bridge deck of each junction, Simple T-Girders unit is the local widening structure, is used as the refuge platform.
Preferably, described local widening structure place is provided with and checks ladder, and the described top of ladder that checks is provided with cover plate.
Preferably, described local widening structure place is reserved with opening, and described opening part is provided with the contact net column, and described contact net column passes the concrete cast-in-situ bridge deck by opening.
Preferably, the weight of a described Simple T-Girders unit is less than 148 tons.
(3) beneficial effect
Simple T beam bridge of the present invention adopts monolithic bridge floor structure, and integrated deck is provided with the transverse prestress muscle, strengthened the globality of bridge floor, structural safety is stable, reduced the workload of maintenance and the maintenance of bridge floor, the monolithic weight of Simple T-Girders unit satisfies concentration pre-casting and railway transportation requirement, be conducive to guarantee construction quality and mobilization, bridge floor is arranged the requirement of satisfying large machine maintenance, for the large machine maintenance of circuit on the bridge provides condition, the present invention is when improving the railroad bridge performance, make railroad bridge satisfy the requirement that sound barrier is set by integrated deck, sound barrier absorbs sound or insulates against sound the noise that produces in the train travelling process, has reduced the impact of train near resident living it.
Description of drawings
Fig. 1 is the vertical view of the simple T beam bridge with sound barrier of the embodiment of the invention when being single-line railway bridge;
Fig. 2 is the vertical view of the simple T beam bridge with sound barrier of the embodiment of the invention when being double-line railway bridge;
Fig. 3 is the local vertically view with the side bar of the simple T beam bridge of sound barrier of the embodiment of the invention;
Fig. 4 is the local vertically view with the central sill of the simple T beam bridge of sound barrier of the embodiment of the invention;
Fig. 5 is that the simple T beam bridge with sound barrier of the embodiment of the invention is single-line railway bridge and is positioned at vertical figure on the bridge pier;
Fig. 6 is the partial top view with the local widening part of the simple T beam bridge of sound barrier of the embodiment of the invention.
Among the figure, 11: side bar; 12: central sill; 2: the concrete junction; 3: platform; 4: concrete cast-in-situ bridge floor version; 5: the noise barrier stand column basis; 6: sound barrier; 7: gear Zha Qiang; 8: the transverse prestress muscle; 9: cable channel; 10: the local widening structure; 101: check ladder; 102: cover plate; 103: the contact net column; 20: bridge pier.
The specific embodiment
Below in conjunction with drawings and Examples embodiments of the present invention are described in further detail.
Following examples are used for explanation the present invention, but can not be used for limiting the scope of the invention.
In description of the invention, need to prove, orientation or the position relationship of the indications such as term " vertically ", " laterally ", " on ", " in ", " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
Embodiment 1
Shown in Fig. 1,5,6, the simple T beam bridge with sound barrier of present embodiment is single-line railway bridge, comprises two Simple T-Girders, and Simple T-Girders is precast beam.
Every Simple T-Girders is joined end to end by a plurality of Simple T-Girders unit and forms, the weight of a Simple T-Girders unit is less than 148 tons, the monolithic weight of this Simple T-Girders unit satisfies concentration pre-casting and railway transportation requirement, be conducive to guarantee construction quality and mobilization, and the junction of each Simple T-Girders unit is positioned at all on the bridge pier 20; Two Simple T-Girders laterally link together by the wet joint concrete of diaphragm, one section platform 3 is all stretched out in the outside of two Simple T-Girders, the height of platform is lower than the height (such as Fig. 3) of Simple T-Girders, platform 3 is provided with concrete cast-in-situ bridge deck 4, and concrete cast-in-situ bridge deck 4 superimposed being overlapped on the platform; Integrated deck of the common formation of the upper surface of the upper surface of the upper surface of described two Simple T-Girders, concrete junction 2 and two concrete cast-in-situ bridge deck 4, the integrated deck structure provides condition for sound barrier 6 is set on the bridge, and reduced the workload of maintenance and the maintenance of bridge floor, described integrated deck plate also is provided with horizontal presstressed reinforcing steel 8, this connected mode that transverse prestress muscle 8 is set between two Simple T-Girders, concrete junction 2 and two concrete cast-in-situ bridge deck 3, strengthened the globality of bridge floor, made the structure safety and reliability.
The outboard end of concrete cast-in-situ bridge deck 4 is provided with noise barrier stand column basis 5,5 places, noise barrier stand column basis are provided with noise barrier stand column, distance between the two adjacent columns is about 2 meters, its concrete distance should be decided according to actual conditions, be provided with sound barrier 6 between the two adjacent columns, the compound sound barrier that its type can combine with sound insulation for reflection-type sound barrier or the sound absorption of pure sound insulation, sound barrier 6 can absorb sound to the noise that produces in the train travelling process or insulate against sound, and has reduced the impact of train near resident living it.The inboard of sound barrier 6 is provided with cable channel 9.
The middle part of concrete cast-in-situ bridge deck 4 is provided with gear tiny fragments of stone, coal, etc. wall 7, and the distance between two gear tiny fragments of stone, coal, etc. walls 7 satisfies the requirement of the large machine maintenance of circuit, and namely wire center linear distance gear tiny fragments of stone, coal, etc. wall 7 inner side edges are not less than 2.2m, for the large machine maintenance of circuit on the bridge provides condition.
Be the sidewalk between gear tiny fragments of stone, coal, etc. wall 7 and the sound barrier 6.And the sidewalk of the concrete cast-in-situ bridge deck 4 of each junction, Simple T-Girders unit is local widening structure 10, is used as the refuge platform; Local widening structure 10 places are provided with and check ladder 101, check that the top of ladder 101 is provided with cover plate 102; Local widening structure 10 places are reserved with opening, and opening part is provided with contact net column 103, and contact net column 103 passes concrete cast-in-situ bridge deck 4 by opening, described refuge platform, check that ladder and contact net column are to the maintenance maintenance work condition of providing convenience.
Shown in Fig. 2,6, the simple T beam bridge with sound barrier of present embodiment is passenger-cargo double-line railway bridge, comprises four Simple T-Girders, and Simple T-Girders is precast beam.
Every Simple T-Girders is joined end to end by a plurality of Simple T-Girders unit and forms, the weight of a Simple T-Girders unit is less than 148 tons, the monolithic weight of this Simple T-Girders unit satisfies concentration pre-casting and railway transportation requirement, be conducive to guarantee construction quality and mobilization, and the junction of each Simple T-Girders unit is positioned at all on the bridge pier 20; Four Simple T-Girders laterally link together by the wet joint concrete of diaphragm, the Simple T-Girders of both sides is side bar (such as Fig. 3), Simple T-Girders between two side bars is central sill (such as Fig. 4), one section platform 3 is all stretched out in the outside of two side bars, the height of platform is lower than the height of Simple T-Girders, platform 3 is provided with concrete cast-in-situ bridge deck 4, and concrete cast-in-situ bridge deck 4 superimposed being overlapped on the platform; Integrated deck of the common formation of the upper surface of the upper surface of the upper surface of described four Simple T-Girders, concrete junction 2 and two concrete cast-in-situ bridge deck 3, the integrated deck structure provides condition for sound barrier 6 is set on the bridge, and reduced the workload of maintenance and the maintenance of bridge floor, described integrated deck plate also is provided with horizontal presstressed reinforcing steel 8, this connected mode that transverse prestress muscle 8 is set between four Simple T-Girders, concrete junction 2 and two concrete cast-in-situ bridge deck 4, strengthened the globality of bridge floor, made the structure safety and reliability.
The outboard end of concrete cast-in-situ bridge deck 4 is provided with noise barrier stand column basis 5,5 places, noise barrier stand column basis are provided with noise barrier stand column, distance between the two adjacent columns is about 2 meters, its concrete distance should be decided according to actual conditions, be provided with sound barrier 6 between the two adjacent columns, the compound sound barrier that its type can combine with sound insulation for reflection-type sound barrier or the sound absorption of pure sound insulation, sound barrier 6 can absorb sound to the noise that produces in the train travelling process or insulate against sound, and has reduced the impact of train near resident living it.The inboard of sound barrier 6 is provided with cable channel 9.
The middle part of concrete cast-in-situ bridge deck 4 is provided with gear tiny fragments of stone, coal, etc. wall 7, and the distance between two gear tiny fragments of stone, coal, etc. walls 7 satisfies the requirement of the large machine maintenance of circuit, and namely wire center linear distance gear tiny fragments of stone, coal, etc. wall 7 inner side edges are not less than 2.2m, for the large machine maintenance of circuit on the bridge provides condition.
Be the sidewalk between gear tiny fragments of stone, coal, etc. wall 7 and the sound barrier 6.And the sidewalk of the concrete cast-in-situ bridge deck 4 of each junction, Simple T-Girders unit is local widening structure 10, is used as the refuge platform; Local widening structure 10 places are provided with and check ladder 101, check that the top of ladder 101 is provided with cover plate 102; Local widening structure 10 places are reserved with opening, and opening part is provided with contact net column 103, and contact net column 103 passes concrete cast-in-situ bridge deck 4 by opening, described refuge platform, check that ladder and contact net column are to the maintenance maintenance work condition of providing convenience.
Embodiments of the invention provide for example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. simple T beam bridge with sound barrier, comprise the multi-disc Simple T-Girders, described Simple T-Girders is joined end to end by a plurality of Simple T-Girders unit and forms, and the junction of each Simple T-Girders unit all is positioned on the bridge pier, it is characterized in that: each Simple T-Girders laterally links together by the wet joint concrete of diaphragm, the outside of the Simple T-Girders of both sides is provided with the concrete cast-in-situ bridge deck, the upper surface of the upper surface of the upper surface of described each Simple T-Girders, concrete junction and concrete cast-in-situ bridge deck forms an integrated deck, and described integrated deck plate is provided with horizontal presstressed reinforcing steel; The outside of described concrete cast-in-situ bridge deck is provided with the noise barrier stand column basis, and place, described noise barrier stand column basis is provided with noise barrier stand column, is provided with sound barrier between the two adjacent columns.
2. the simple T beam bridge with sound barrier according to claim 1 is characterized in that: described Simple T-Girders is divided into two kinds of side bar and central sills, and described side bar is the Simple T-Girders of both sides, and described central sill is two Simple T-Girders between the side bar; One section platform is stretched out in the outside of described side bar, and the height of described platform is lower than the height of Simple T-Girders, and described concrete cast-in-situ bridge deck are superimposed is overlapped on the described platform.
3. the simple T beam bridge with sound barrier according to claim 2, it is characterized in that: the quantity of described Simple T-Girders is two, two Simple T-Girders are side bar, and two side bars form single-line railway bridges.
4. the simple T beam bridge with sound barrier according to claim 2, it is characterized in that: the quantity of described Simple T-Girders is four, wherein two outsides is side bar, two centres be central sill, and two side bars and two central sills form double-line railway bridges.
5. according to claim 3 or 4 described simple T beam bridges with sound barrier, it is characterized in that: described Simple T-Girders is precast beam.
6. the simple T beam bridge with sound barrier according to claim 5, it is characterized in that: the middle part of described concrete cast-in-situ bridge deck is provided with gear Zha Qiang, and the distance between two gear tiny fragments of stone, coal, etc. walls satisfies the requirement of the large machine maintenance of circuit, is the sidewalk between described gear Zha Qiang and the sound barrier.
7. the simple T beam bridge with sound barrier according to claim 6, it is characterized in that: the sidewalk of the concrete cast-in-situ bridge deck of each junction, Simple T-Girders unit is the local widening structure, is used as the refuge platform.
8. the simple T beam bridge with sound barrier according to claim 7 is characterized in that: described local widening structure place is provided with and checks ladder, and the described top of ladder that checks is provided with cover plate.
9. the simple T beam bridge with sound barrier according to claim 7, it is characterized in that: described local widening structure place is reserved with opening, and described opening part is provided with the contact net column, and described contact net column passes the concrete cast-in-situ bridge deck by opening.
10. any one described simple T beam bridge with sound barrier according to claim 6-9, it is characterized in that: the weight of a described Simple T-Girders unit is less than 148 tons.
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| CN103866689A (en) * | 2014-03-30 | 2014-06-18 | 长安大学 | New bridge and old bridge connecting reinforcing structure for bridge widening |
| CN103911949A (en) * | 2014-04-09 | 2014-07-09 | 东南大学 | Transverse shear-resistant reinforcing steel bar connecting device for concrete bridge deck slabs |
| CN103938538A (en) * | 2014-05-15 | 2014-07-23 | 中铁二院昆明勘察设计研究院有限责任公司 | Railroad bridge evacuation platform |
| CN104153297A (en) * | 2013-08-19 | 2014-11-19 | 赵培显 | Railway T-beam cast-in-place bridge deck slab forming machine |
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| CN104727243A (en) * | 2015-03-25 | 2015-06-24 | 成都中弘轨道交通环保产业股份有限公司 | Railway T-shaped beam integration super-high strength concrete-micro-porous ceramic compound sound barrier |
| CN105755942A (en) * | 2016-04-26 | 2016-07-13 | 中格复合材料（南通）有限公司 | Railway line simple support T beam and mounting method thereof |
| CN106498844A (en) * | 2016-12-01 | 2017-03-15 | 中铁第四勘察设计院集团有限公司 | A kind of high speed railway box beam bridge floor pre-fabricated electric cables groove |
| CN108222051A (en) * | 2018-03-23 | 2018-06-29 | 中铁二院工程集团有限责任公司 | A kind of contact net upright post basic of railway steel reinforced concrete bondbeam and steel reinforced concrete combination bridge |
| CN108560390A (en) * | 2018-05-28 | 2018-09-21 | 温州博旺联科建筑工程有限公司 | A kind of sound insulation bridge |
| CN108643025A (en) * | 2018-05-28 | 2018-10-12 | 温州博旺联科建筑工程有限公司 | A kind of bridge gobo |
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| CN104153297A (en) * | 2013-08-19 | 2014-11-19 | 赵培显 | Railway T-beam cast-in-place bridge deck slab forming machine |
| CN103866689B (en) * | 2014-03-30 | 2015-12-30 | 长安大学 | The new and old bridging of a kind of bridge widening connects reinforcing construction |
| CN103866689A (en) * | 2014-03-30 | 2014-06-18 | 长安大学 | New bridge and old bridge connecting reinforcing structure for bridge widening |
| CN103911949A (en) * | 2014-04-09 | 2014-07-09 | 东南大学 | Transverse shear-resistant reinforcing steel bar connecting device for concrete bridge deck slabs |
| CN103911949B (en) * | 2014-04-09 | 2016-03-30 | 东南大学 | The horizontal shear reinforcement linkage of a kind of concrete slab |
| CN103938538A (en) * | 2014-05-15 | 2014-07-23 | 中铁二院昆明勘察设计研究院有限责任公司 | Railroad bridge evacuation platform |
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| CN104389261A (en) * | 2014-11-18 | 2015-03-04 | 湖南大学 | Prefabricated ultra-high-performance concrete pi-shaped beam unit, bridge structure and construction method thereof |
| CN104389261B (en) * | 2014-11-18 | 2016-05-25 | 湖南大学 | Prefabricated ultra-high performance concrete π ellbeam unit, bridge structure and construction method thereof |
| CN104727243A (en) * | 2015-03-25 | 2015-06-24 | 成都中弘轨道交通环保产业股份有限公司 | Railway T-shaped beam integration super-high strength concrete-micro-porous ceramic compound sound barrier |
| CN105755942A (en) * | 2016-04-26 | 2016-07-13 | 中格复合材料（南通）有限公司 | Railway line simple support T beam and mounting method thereof |
| CN105755942B (en) * | 2016-04-26 | 2017-06-16 | 中格复合材料（南通）有限公司 | A kind of railway line Simple T-Girders and its installation method |
| CN106498844A (en) * | 2016-12-01 | 2017-03-15 | 中铁第四勘察设计院集团有限公司 | A kind of high speed railway box beam bridge floor pre-fabricated electric cables groove |
| CN108222051A (en) * | 2018-03-23 | 2018-06-29 | 中铁二院工程集团有限责任公司 | A kind of contact net upright post basic of railway steel reinforced concrete bondbeam and steel reinforced concrete combination bridge |
| CN108560390A (en) * | 2018-05-28 | 2018-09-21 | 温州博旺联科建筑工程有限公司 | A kind of sound insulation bridge |
| CN108643025A (en) * | 2018-05-28 | 2018-10-12 | 温州博旺联科建筑工程有限公司 | A kind of bridge gobo |
| CN108560390B (en) * | 2018-05-28 | 2019-08-23 | 温州博旺联科建筑工程有限公司 | A kind of sound insulation bridge |
| CN108643025B (en) * | 2018-05-28 | 2019-08-27 | 温州博旺联科建筑工程有限公司 | A kind of bridge gobo |
| CN108914759A (en) * | 2018-07-05 | 2018-11-30 | 中铁第四勘察设计院集团有限公司 | A kind of tramcar overhead station track beam structure overlapping overline bridge |
| CN111560866A (en) * | 2020-05-29 | 2020-08-21 | 南京同力建设集团股份有限公司 | Bridge deck reinforcing structure of post-added sound barrier screen viaduct and construction method thereof |
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| CN103061242B (en) | 2016-02-03 |
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