CN110080102A - A kind of bridge deck drainage structure across railroad bridge - Google Patents
A kind of bridge deck drainage structure across railroad bridge Download PDFInfo
- Publication number
- CN110080102A CN110080102A CN201910342530.7A CN201910342530A CN110080102A CN 110080102 A CN110080102 A CN 110080102A CN 201910342530 A CN201910342530 A CN 201910342530A CN 110080102 A CN110080102 A CN 110080102A
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- Prior art keywords
- drainage
- bridge
- transverse
- longitudinal
- slope
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- 238000009408 flooring Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000005304 joining Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
Abstract
The bridge deck drainage structure across railroad bridge that the present invention provides a kind of, including floorings, there is roadway zone and pavement area on floorings, bridge floor plate top surface below the area of pavement has the first transverse drainage slope tilted down from pavement area to roadway zone, and the bridge floor plate top surface of the first transverse drainage slope lowest side is equipped with longitudinal drainage ditch, bridge floor plate top surface at roadway zone has the second transverse drainage slope tilted down from roadway zone to pavement area, and longitudinal drainage ditch is equipped with the opening being discharged into for rainwater on the second transverse drainage slope of roadway zone.The invention by adjusting bridge main beam section structure type, and press the principle of " Water seeks its own level ", longitudinal drainage ditch is formed by reversed horizontal slope above bridge floor, guarantee in bridge floor rainwater catchment to longitudinal drainage ditch, eliminate existing overpass setting longitudinal drainage pipe and tapping pipe, it ensure that railway operation safety, while meeting road drainage function needs, and saved construction investment to greatest extent.
Description
Technical field
The invention belongs to bridge design technology fields, and in particular to a kind of bridge deck drainage structure across railroad bridge.
Background technique
As high-speed rail largely creates, existing railway substantially raises speed, safety of railway traffic problem becomes railway department's concern
The most important thing.Overpass is generally provided with tapping pipe and longitudinal drainage pipe in bridge floor two sides, but when overcrossing railway, rainwater is in line
It can cause the short circuit of the electrical equipments such as railway contact line and cause a serious accident, and railway bed is be easy to cause to wash away.Longitudinal drainage
Pipe is generally hung below bridge, there is the risk fallen, and the influence caused by safety of railway traffic of once falling is extremely serious.
Therefore, railway department requires overcrossing railway overpass not set tapping pipe and plug-in drainpipe.
If the overpass length across railway range is smaller, such as within 60m, then tapping pipe and drainpipe are not set to bridge floor
The influence of draining is little, then the hole that rainwater can be drained into other than railway range by deck profile grade is across by drain hole entering ground
Drainage system.And when railway station track is more, especially overcrossing railway yard when, the overpass length within the scope of railway will be more than
100m, it is maximum such as only to be drained by longitudinal slope up to 500m or more, in heavy rain season, be easy to produce bridge floor ponding, influence driving peace
Entirely.At this point, being considered as that longitudinal drainage ditch is arranged on bridge floor, rainwater is collected into bridge deck drainage ditch by horizontal slope and drains into railway again
Tapping pipe outside range.And longitudinal drainage ditch is generally by adjusting deck paving acquisition, when bridge is long larger, conventional pavement thickness
It can not meet the needs of trench depth, so that pave-load layer need to be thickeied, load caused to increase, increase construction investment.
Summary of the invention
The purpose of the present invention is overcoming, the existing discharge structure safety across railway elevated bridge is low, construction investment is at high cost
The problem of.
For this purpose, the present invention provides a kind of bridge deck drainage structure across railroad bridge, including floorings, on the floorings
With roadway zone and pavement area, the pavement area is arranged below roadway zone both lateral sides, the pavement area
Bridge floor plate top surface has the first transverse drainage slope tilted down from pavement area to roadway zone, and the first transverse drainage slope
The bridge floor plate top surface of lowest side is equipped with longitudinal drainage ditch, the bridge floor plate top surface at the roadway zone have from roadway zone to
The second transverse drainage slope that pavement area tilts down, the floor height of the longitudinal drainage ditch is most lower than the second transverse drainage slope
Low side height is equipped on the longitudinal drainage ditch close to roadway zone side and arranges for rainwater on the second transverse drainage slope of roadway zone
The opening entered.
Further, both lateral sides are equipped with railing pedestal for installing railing on the floorings in the pavement area, and two
At least one longitudinal buttress, the column on the inside of the longitudinal direction buttress and floorings are set on the floorings between a railing pedestal
Longitudinal drainage ditch is constituted between rod base, railing pedestal and adjacent longitudinal branch on the outside of the longitudinal direction buttress and floorings
The pipeline trench for installing pipeline is constituted between pier, the longitudinal drainage ditch and pipeline trench are equipped with pavement cover board, and longitudinal
Pavement cover board at gutter is equipped with drainage hole.
Further, the pavement cover board has the third transverse drainage tilted down from pavement area to roadway zone
Slope.
Further, the first transverse drainage equipped with lateral direction penetrating arrangement in the railing base bottom on the inside of the floorings
Pipe.
Further, the inlet end of first transverse drain is equipped with grid baffle.
Further, also there is rope area on the floorings, the rope area is arranged between roadway zone and pavement area,
Bridge floor plate top surface at the rope area has the 4th transverse drainage slope, the gradient direction on the 4th transverse drainage slope and the second cross
It is consistent to weathering gradient direction, and the highest point on the 4th transverse drainage slope is connected with the minimum point on the second transverse drainage slope, the
The minimum point on four transverse drainage slopes is connected with longitudinal drainage ditch.
Further, the Guard fence base for installing anticollision barrier is provided between the roadway zone and rope area, it is described
The second transverse drain of lateral direction penetrating arrangement is equipped in Guard fence base bottom.
Further, the inlet end of second transverse drain is equipped with grid baffle.
Further, the joining place and the 4th transverse drainage on the 4th transverse drainage slope and the second transverse drainage slope
The joining place of slope and longitudinal drainage ditch is equipped with chamfering.
Further, the floorings bottom flush arrangement of the roadway zone, pavement area and rope area.
Compared with prior art, beneficial effects of the present invention:
(1) this bridge deck drainage structure across railroad bridge provided by the invention by adjusting bridge main beam section structure shape
Formula, and the principle of " Water seeks its own level " is pressed, longitudinal drainage ditch is formed by reversed horizontal slope above bridge floor, guarantees that bridge floor rainwater converges
Collect in longitudinal drainage ditch, eliminates existing overpass setting longitudinal drainage pipe and tapping pipe, ensure that railway operation safety, together
When meet road drainage function needs, and saved construction investment to greatest extent.
(2) the structure design of longitudinal drainage ditch is abundant in this bridge deck drainage structure across railroad bridge provided by the invention
The space below pavement is utilized, increases bridge deck width without additional, while nor affecting on other pipeline trench below pavement
The use of slot, and without not influencing section stress in section internal recessing, borehole.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the elevational schematic view in the embodiment of the present invention across railroad bridge；
Fig. 2 is the bridge floor transverse sectional view of beams of concrete in the embodiment of the present invention；
Fig. 3 is the partial enlargement diagram of Fig. 2；
Fig. 4 is the enlarged diagram in the portion A in Fig. 3；
Fig. 5 is the enlarged diagram in the portion B in Fig. 3；
Fig. 6 is the bridge floor transverse sectional view of steel reinforced concrete combination beam in the embodiment of the present invention.
Description of symbols: 1, floorings；2, the second transverse drainage slope；3, Guard fence base；4, pavement cover board；5, the 4th
Transverse drainage slope；6, longitudinal drainage ditch；7, longitudinal buttress；8, pipeline trench；9, the first transverse drainage slope；10, railing pedestal；11,
Third transverse drainage slope；12, grid baffle；13, the second transverse drain；14, the first transverse drain.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of bridge deck drainage across railroad bridge is present embodiments provided
Structure, including floorings 1, have roadway zone and pavement area on the floorings 1, and the pavement area is arranged in driveway
Area's both lateral sides, 1 top surface of floorings below the pavement area have the tilted down from pavement area to roadway zone
The gradient direction on one transverse drainage slope 9, i.e. the first transverse drainage slope 9 is low between the senior middle school of outside, and first transverse drainage slope 9 is most
1 top surface of floorings of downside is equipped with longitudinal drainage ditch 6, and 1 top surface of floorings at the roadway zone has by roadway zone
The the second transverse drainage slope 2 tilted down to pavement area, the i.e. gradient direction on the second transverse drainage slope 2 are intermediate high two sides
Low, the floor height of the longitudinal drainage ditch 6 is lower than 2 least significant end height of the second transverse drainage slope, leans on the longitudinal drainage ditch 6
Nearly roadway zone side is equipped with the opening being discharged into for rainwater on roadway zone the second transverse drainage slope 2, in this way by disconnected to girder
Face structure type is adjusted, and longitudinal drainage ditch 6 is formed below pavement, so that rainwater passes through transverse drainage on floorings 1
Slope enters longitudinal drainage ditch 6, is then discharged into ground rainwater system at bridge pier again, without longitudinal drainage pipe is arranged, guarantees
The safety of railway operation, while being able to satisfy road drainage functional requirement.
The embodiment of refinement, as shown in figure 3, both lateral sides are equipped with for installing on the floorings 1 in the pavement area
At least longitudinal buttress 7 together, this reality are arranged on the floorings 1 between two railing pedestals 10 for the railing pedestal 10 of railing
It applies using 7 arranged for interval of twice longitudinal direction buttress in example, the formation of railing pedestal 10 three of such twice longitudinal direction buttress 7 and two sides is vertical
To groove, wherein the longitudinal groove formed between the railing pedestal 10 of 1 inside of the longitudinal direction buttress 7 and floorings is longitudinal
Gutter 6 ensure that the minimum point that longitudinal drainage ditch 6 is located on cross-section of bridge, and outside twice are by longitudinal buttress 7 and bridge floor
The longitudinal groove formed between railing pedestal 10 and adjacent longitudinal buttress 10 on the outside of plate can be used as pipeline trench 8, be used for
Pipe installation；The longitudinal drainage ditch 6 and pipeline trench 8 are equipped with pavement cover board 4, and the pavement lid at longitudinal drainage ditch 6
Plate 4 is equipped with drainage hole, so that the rainwater on pavement enters longitudinal drainage ditch 6 by the drainage hole on pavement cover board 4.Optimization
, the pavement cover board 4 has the third transverse drainage slope 11 tilted down from pavement area to roadway zone, so that people's row
Rainwater on road can carry over third transverse drainage slope 11 under its gravity and enter longitudinal drainage ditch 6 through drainage hole.
In addition, can also have rope area on the floorings 1, the rope area is arranged between roadway zone and pavement area,
1 top surface of floorings at the rope area has a 4th transverse drainage slope 5, the gradient direction on the 4th transverse drainage slope 5 and the
Two transverse drainage slopes, 2 gradient direction is consistent, and the minimum point of the highest point on the 4th transverse drainage slope 5 and the second transverse drainage slope 2
Linking, the minimum point on the 4th transverse drainage slope 5 are connected with longitudinal drainage ditch 6, so that roadway zone rainwater is laterally arranged by second
Suo Qu is drained into outside 2 fair current of water slope, while the rainwater in rope area is by draining into longitudinal drainage ditch 6 outside 5 fair current of the 4th transverse drainage slope
It is interior.Specifically, the Guard fence base 3 for installing anticollision barrier is provided between the roadway zone and rope area, the guardrail base
The second transverse drain 13 of lateral direction penetrating arrangement is equipped in 3 bottoms of seat, roadway zone rainwater passes through second transverse drain
13 enter rope area, and the first transverse drainage of lateral direction penetrating arrangement is equipped in 10 bottom of railing pedestal of 1 inside of floorings
Pipe 14, the opening in communication on the water outlet end of first transverse drain 14 and the longitudinal drainage ditch 6, rainwater is again in rope area
Enter longitudinal drainage ditch 6 by the first transverse drain 14, to form complete and smoothly bridge deck drainage system, effectively avoids
Roadway zone ponding.Optimization, to avoid solid impurity in rainwater from entering the first transverse drain 14 and the second transverse drain
13 and cause its blocking, as shown in Figure 4 and Figure 5, the water inlet of first transverse drain 14 and the second transverse drain 13
End is equipped with grid baffle 12, flows into rainwater in the first transverse drain 14 and the second transverse drain 13 with cleaning.Further
, in order to guarantee that 1 stress of floorings is even suitable, the joining place on the 4th transverse drainage slope 5 and the second transverse drainage slope 2, and
4th transverse drainage slope 5 and the joining place of longitudinal drainage ditch 6 are equipped with chamfering.
It is illustrated below by the bridge deck drainage structure of two kinds of specific bridges.
One is the bridge deck drainage structures of the Prestressed Concrete Bridges of bilateral girder+beam type, as shown in Figures 2 and 3,
1 thickness 25cm of floorings, the second transverse drainage slope 2 and the 4th transverse drainage within the scope of roadway zone and rope area on floorings 1
The gradient on slope 5 is 1.5%, and gradient direction is that intermediate high two sides are low, wherein 1 top surface of floorings uses within the scope of roadway zone
10cm thickness asphalt concrete pavement, 1 top surface of floorings uses 6cm thickness asphalt concrete pavement within the scope of rope area；Pavement area model
The gradient for enclosing the first transverse drainage slope 9 on interior floorings 1 is 1.0%, while the third transverse drainage slope 11 of pavement cover board 4
The gradient be also 1.0%, gradient direction be it is low between the senior middle school of outside, 1 top surface of floorings, which only be arranged, within the scope of the area of pavement flexible prevents
Water coating guarantees that rainwater enters longitudinal drainage ditch so that echelon forms lateral height difference.This bridge deck drainage is constructed lowest point
Position below pavement close to rope area, and the 4th transverse drainage slope 5 and the second transverse drainage slope 2, longitudinal drainage ditch 6 are set
Intersection is all made of 1:4 chamfered transition to guarantee that top plate stress is even suitable, such deck transverse slope set-up mode and conventional Bridge Sections
Entirely different, conventional section is drained using single horizontal slope, rainwater from centre toward two sides.
Another kind is the bridge deck drainage structure of the steel-concrete composite beam of bilateral girder+beam type, as shown in fig. 6, garage
The 1 thickness 26cm of concrete slab in road area, the transverse drainage slope gradient within the scope of roadway zone and rope area on floorings 1 are same
It is 1.5%, gradient direction is that intermediate high two sides are low；The 1 thickness 16cm of floorings in pavement area, the first lateral row on floorings 1
The gradient on water slope 9 is 1.0%, and the gradient on the third transverse drainage slope 11 of pavement cover board 4 is also 1.0%, and gradient direction is outer
It is low between the senior middle school of side.Equally, two kinds of transverse drainage slopes intersection of the bridge uses 1:4 chamfered transition to guarantee that top plate stress is even
Suitable, floorings bottom keeps flushing.
Certainly, this bridge deck drainage that longitudinal drainage ditch is formed by the way that reversed horizontal slope is arranged on floorings in the present embodiment
Structure is not limited to above-described embodiment, can be implemented on concrete box girder (T beam), steel box-girder section, so as to effectively solve
Certainly the problem of tapping pipe and drainpipe can not be arranged in overcrossing railway section.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (10)
1. a kind of bridge deck drainage structure across railroad bridge, it is characterised in that: including floorings, there is garage on the floorings
Road area and pavement area, the floorings top that the pavement area is arranged below roadway zone both lateral sides, the pavement area
Face has the first transverse drainage slope from pavement area to roadway zone that tilt down from, and the first transverse drainage slope lowest side
Bridge floor plate top surface is equipped with longitudinal drainage ditch, and the bridge floor plate top surface at the roadway zone has from roadway zone to pavement area
The floor height on the second transverse drainage slope tilted down, the longitudinal drainage ditch is high lower than the second transverse drainage slope least significant end
It spends, is equipped on the longitudinal drainage ditch close to roadway zone side and is opened for what rainwater on the second transverse drainage slope of roadway zone was discharged into
Mouthful.
2. the bridge deck drainage structure across railroad bridge as described in claim 1, it is characterised in that: the bridge floor in the pavement area
Both lateral sides are equipped with the railing pedestal for installing railing on plate, are arranged at least on the floorings between two railing pedestals
Longitudinal buttress together constitutes longitudinal drainage ditch, longitudinal branch between the railing pedestal on the inside of the longitudinal direction buttress and floorings
The pipeline trench for installing pipeline is constituted between railing pedestal and adjacent longitudinal buttress on the outside of pier and floorings, it is described
Longitudinal drainage ditch and pipeline trench are equipped with pavement cover board, and the pavement cover board at longitudinal drainage ditch is equipped with drainage hole.
3. the bridge deck drainage structure across railroad bridge as claimed in claim 2, it is characterised in that: the pavement cover board has
The third transverse drainage slope tilted down from pavement area to roadway zone.
4. the bridge deck drainage structure across railroad bridge as claimed in claim 2, it is characterised in that: the column on the inside of the floorings
In rod base bottom be equipped with lateral direction penetrating arrangement the first transverse drain, the water outlet end of first transverse drain with it is described
Opening in communication on longitudinal drainage ditch.
5. the bridge deck drainage structure across railroad bridge as claimed in claim 4, it is characterised in that: first transverse drain
Inlet end be equipped with grid baffle.
6. the bridge deck drainage structure across railroad bridge as described in claim 1, it is characterised in that: also have on the floorings
Rope area, the rope area are arranged between roadway zone and pavement area, and the bridge floor plate top surface at the rope area is lateral with the 4th
The gradient direction of weathering, the 4th transverse drainage slope is consistent with the second transverse drainage slope gradient direction, and the 4th laterally arranges
The highest point on water slope is connected with the minimum point on the second transverse drainage slope, and the minimum point and longitudinal drainage ditch on the 4th transverse drainage slope are held in the mouth
It connects.
7. the bridge deck drainage structure across railroad bridge as claimed in claim 6, it is characterised in that: the roadway zone and Suo Qu
Between be provided with Guard fence base for installing anticollision barrier, the second of lateral direction penetrating arrangement is equipped in the Guard fence base bottom
Transverse drain.
8. the bridge deck drainage structure across railroad bridge as claimed in claim 7, it is characterised in that: second transverse drain
Inlet end be equipped with grid baffle.
9. the bridge deck drainage structure across railroad bridge as claimed in claim 6, it is characterised in that: the 4th transverse drainage slope
Chamfering is equipped with the joining place on the joining place on the second transverse drainage slope and the 4th transverse drainage slope and longitudinal drainage ditch.
10. the bridge deck drainage structure across railroad bridge as claimed in claim 9, it is characterised in that: the roadway zone, people's row
The floorings bottom flush arrangement of Dao Qu and rope area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342530.7A CN110080102A (en) | 2019-04-26 | 2019-04-26 | A kind of bridge deck drainage structure across railroad bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342530.7A CN110080102A (en) | 2019-04-26 | 2019-04-26 | A kind of bridge deck drainage structure across railroad bridge |
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| Publication Number | Publication Date |
|---|---|
| CN110080102A true CN110080102A (en) | 2019-08-02 |
Family
ID=67416800
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910342530.7A Pending CN110080102A (en) | 2019-04-26 | 2019-04-26 | A kind of bridge deck drainage structure across railroad bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733696A (en) * | 2020-05-26 | 2020-10-02 | 广西翔路建设有限责任公司 | Water drainage preventing structure of corrugated steel web prestress combined box girder bridge |
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| CN207862762U (en) * | 2018-01-16 | 2018-09-14 | 湖南省交通规划勘察设计院有限公司 | Steel box-girder drainage-free tube built-in drainage system |
| CN208072199U (en) * | 2018-04-03 | 2018-11-09 | 广东中天市政工程设计有限公司 | Municipal pedestrian way of bridge infiltration drainage system |
| CN108457178A (en) * | 2018-04-12 | 2018-08-28 | 广州市市政工程设计研究总院 | A kind of environmentally friendly collection and purification system of across rivers bridge floor sewage/wastewaters |
| CN208088052U (en) * | 2018-04-17 | 2018-11-13 | 上海千年城市规划工程设计股份有限公司 | Asphalt surface course of mating formation sets longitudinal drainage system |
| CN209923764U (en) * | 2019-04-26 | 2020-01-10 | 中铁武汉勘察设计研究院有限公司 | Bridge deck drainage structure across railway bridge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111733696A (en) * | 2020-05-26 | 2020-10-02 | 广西翔路建设有限责任公司 | Water drainage preventing structure of corrugated steel web prestress combined box girder bridge |
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