CN109371799A - Streetcar track beam steel structure - Google Patents
Streetcar track beam steel structure Download PDFInfo
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- CN109371799A CN109371799A CN201811268720.0A CN201811268720A CN109371799A CN 109371799 A CN109371799 A CN 109371799A CN 201811268720 A CN201811268720 A CN 201811268720A CN 109371799 A CN109371799 A CN 109371799A
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- limb pier
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- double limb
- double
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to rail traffic design fields, provide a kind of streetcar track beam steel structure, including sequentially connected several track beam elements, any track beam element includes the first track girder and the second track girder of the first double limb pier, the second double limb pier, single limb pier stud and parallel arrangement；The first end of the first track girder, the second track girder is arranged in first double limb pier, and the second end of the first track girder, the second track girder is arranged in the second double limb pier, and single limb pier stud is arranged between the first double limb pier and the second double limb pier；First double limb pier, the second double limb pier and single limb pier stud are used to support the first track girder and the second track girder simultaneously.The problems such as streetcar track beam steel structure can solve current track beam causes track beam span smaller using system of simple supporting, and ride comfort is poor, unfavorable to antidetonation, and track girder is also easy to produce biggish deformation.
Description
Technical field
The present invention relates to rail traffic design fields, more particularly to a kind of streetcar track beam steel structure.
Background technique
The development of small and medium-sized cities is the important component of China's urbanization, is to push industrialization, urbanization and agricultural existing
The important carrier of generationization, it may be said that in, the development of small city is concerning China's modernization construction overall situation.Since reform and opening-up, China
Small and medium-sized cities development achieves great achievement, and small and medium-sized cities quantity quicklys increase, and city size constantly expands.With small and medium-sized cities
The raising of economic level and income level of resident, small and medium-sized cities have entered car quick family oriented phase, car trip ratio
Higher, urban transportation imbalance between supply and demand increasingly increases.City peak period road traffic congestion phenomenon starts to occur, and parking contradiction is continuous
Aggravation, the construction of urban road facility are unable to satisfy the growth requirement of Private automotiveization always.Therefore, it is necessary to from transport development mould
Thinking is converted in formula, advocates Public Transport Priority Development energetically, is promoted bus service level, is guaranteed that the health of Traffic Systems can be held
Supervention exhibition.However, public transport system mode in small and medium-sized cities is single, service level is relatively low, and bus trip share rate is relatively low, urgently
Wait accelerate development multi-level public transit systems.Subway, light rail deposit solve urban traffic blocking in effect increasingly by
Pay attention to, but since its cost is high, the construction period is long, later period operation cost is high, the economic strength and passenger flow level of small and medium-sized cities are also
Uncomfortable mansion is built on a large scale.
Modern tram is a kind of urban track traffic of low freight volume, between light rail and bus, is had low
Noise, low vibration save the features such as energy, comfort and convenient, beautiful environmental protection.It is built or compare in the city for building modern tram
It is more, and have the tendency that accelerated development.Tramway is mainly paved on urban road surfaces, mixes fortune with other traffic above-grounds
Overhead section is arranged in row, a small number of tramcars, and overhead section should preferentially be interfered using simple, short construction period, to urban transportation
Structure small, overall life cycle cost is low, environmentally protective, but conventional rail traffic bridge structural system is with simply supported beam
Main, low freight volume traffic system track girder causes track beam span smaller using system of simple supporting in, and ride comfort is poor, not to antidetonation
The problems such as benefit, track girder is also easy to produce biggish deformation.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of streetcar track beam steel structures, it is intended at least the solution prior art or phase
One of technical problem present in the technology of pass.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of streetcar track beam steel structures, including successively connect
Several track beam elements connect, any track beam element include the first double limb pier, the second double limb pier, single limb pier stud with
And the first track girder and the second track girder of parallel arrangement；
The first end of first track girder, second track girder is arranged in first double limb pier, described
The second end of first track girder, second track girder, the list limb pier stud setting is arranged in second double limb pier
Between first double limb pier and second double limb pier；First double limb pier, second double limb pier and
The list limb pier stud is used to support first track girder and second track girder simultaneously.
Wherein, the junction between several track beam elements is provided with expansion joint.
Wherein, there are two single limb pier studs for setting between first double limb pier and second double limb pier.
Wherein, first track girder and second track girder include several steel box-girders.
Wherein, the steel box-girder includes bottom plate, and backplate surface is equipped with two blocks of webs vertically along its length, and web is located at
The two sides of bottom plate；The top surface of every block of web is designed with one piece of top plate, the middle part connection of web and top plate.
Wherein, the pier top of first double limb pier, second double limb pier and single limb pier stud is mounted on steel
Bent cap, the steel lid beam are used to provide installation position for first track girder and second track girder.
Wherein, the pier bottom of single limb pier stud is equipped with first foundation and the first cushion cap；The first foundation is set to ground
In table ground layer below；First cushion cap be located on the first foundation with connected at the top of the first foundation it is whole
Body；The pier bottom of the list limb pier stud is arranged on first cushion cap, and is rigidly connected with first cushion cap.
Wherein, second pair of the first double limb pier of any track beam element track beam element adjacent thereto
Limb pier stud is arranged on the second cushion cap, and is rigidly connected with second cushion cap；
First double-limb pier of the second double limb pier of any track beam element track beam element adjacent thereto
Column is arranged on third cushion cap, and is rigidly connected with the third cushion cap.
Wherein, the cross-sectional shape of first double limb pier, second double limb pier and single limb pier stud is
It is round.
Wherein, first double limb pier includes two first double limb pier subelements, two first double limb piers
It is provided with the first batten plate between subelement or first sews pipe；
Second double limb pier includes two second double limb pier subelements, two second double limb pier subelements
Between be provided with the second batten plate or second sew pipe.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of streetcar track beam steel structure provided by the invention is compared with conventional cast-in-place concrete box girder, the rail
Tramway beam steel structure can mitigate self weight, reduce earthquake effect, reduce component and cut and size, increase effectively using empty
Between, foundation cost is reduced, high-altitude branch die process and template are saved, shortens construction period, increases component and the ductility of structure etc.；With
Conventional track traffic system of simple supporting is compared, which uses continuous rigid frame system, can solve mesh
Preceding track girder causes track beam span smaller using system of simple supporting, and ride comfort is poor, and unfavorable to antidetonation, track girder is also easy to produce biggish
The problems such as deformation.
Detailed description of the invention
Fig. 1 is a kind of facade layout drawing of streetcar track beam steel structure of the embodiment of the present invention；
Fig. 2 is partial enlarged view at expansion joint in Fig. 1；
Fig. 3 is partial enlarged view at continuous steel frame in Fig. 1；
Fig. 4 is a kind of cross-sectional view of streetcar track beam steel structure of the embodiment of the present invention；
Fig. 5 is the sectional view in Fig. 4 along the direction I-I；
Fig. 6 is the cross-sectional view of single limb pier stud in a kind of streetcar track beam steel structure of the embodiment of the present invention；
Fig. 7 is a kind of cross-sectional view of streetcar track beam steel structure of another embodiment of the present invention；
Fig. 8 is the sectional view in Fig. 7 along II-II direction；
In figure: 1- top plate；2- bottom plate；3- web；4- horizontal-associate；The end 5- horizontal-associate；6- diaphragm plate；7- steel lid beam；8- backing plate；9-
Ribbed stiffener；10- high-strength bolt；The mono- limb pier stud of 11-；12- shear connector；13- suspension column steel plate；The expansion joint 14-；The first cushion cap of 15-；
16- first foundation；The second cushion cap of 17-；The first batten plate of 18-；19- vehicle wheel profile；20- first sews pipe；21- third cushion cap.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
From urban landscape angle, the rail traffic structure design of the unique jin heart can increase one of beautiful landscape to city
Line, the image for becoming city represent.Currently, whole world model with city rail traffic route in, elevated line account for about half with
On.Using overhead mode lay in low freight volume urban track traffic, three-dimensional, dynamic urban landscape can be become, and entirely
Face transportation network and the combination of other urban landscapes are deposited together, and the innervation and aesthetic feeling in city can be increased.
Fig. 1 is a kind of facade layout drawing of streetcar track beam steel structure of the embodiment of the present invention, as shown in Figure 1, should
Streetcar track beam steel structure includes sequentially connected several track beam elements, and any track beam element includes first
Double limb pier (not shown), the second double limb pier (not shown), single limb pier stud 11 and parallel arrangement first
Track girder (not shown) and the second track girder (not shown)；
The first end of the first track girder is arranged in first double limb pier, and the first double limb pier is arranged in the second track girder
First end, the first end of the first end of the first track girder and the second track girder is towards same direction；Second double limb pier
The second end of first track girder is set, and the second end of the second track girder, the first track is arranged in the second double limb pier
The second end of beam and the second end of the second track girder are towards same direction；The setting of single limb pier stud 11 is in the first double limb pier and the
Between two double limb piers；First double limb pier, the second double limb pier and single limb pier stud 11 are used to support the first track simultaneously
Beam and the second track girder.
In the present embodiment, the length of the first track girder and the second track girder is identical, the first track girder and second
Connection track girder is made of the steel box-girder of multistage separate type, is connected as beam channel by horizontal-associate 4 and end horizontal-associate 5 between steel box-girder.
First in steel members such as the segmented and modular production steel box-girder of factory, various horizontal-associates, end horizontal-associates, in steel construction
Factory carries out module preassembling, and bridge location module spelling is carried out after transporting to building site.Adopt this method the first track girder of manufacture
With the second track girder, the standardized designs, the factorial production and dress of the first track girder and the second track girder are realized
It constructs with changing, substantially reduces the duration.
In the present embodiment, the cross-sectional shape of the first double limb pier, the second double limb pier and single limb pier stud is circle.
Not only structure is beautiful for circular first double limb pier, the second double limb pier and single limb pier stud, but also can reduce material utilization amount.
Wherein, steel box-girder includes bottom plate 2, and backplate surface is equipped with two blocks of webs 3 vertically along its length, and web is located at bottom
The two sides of plate 2；The top surface of every block of web 3 is designed with one piece of top plate 1, and web 3 is connect with the middle part of top plate 1.Inside steel box-girder
It can according to need setting diaphragm plate 6.Bottom plate 2 and the settable various longitudinal ribbed stiffeners 9 of two coxostermum 3, so as to improve steel case
Girder construction intensity.
It should be noted that being provided with several single limb pier studs between the first double limb pier and the second double limb pier, specifically
Setting number can be chosen according to the actual situation, mainly be based on the length of the first track girder and the second track girder
Degree.In the present embodiment, there are two single limb pier studs for setting between the first double limb pier and the second double limb pier.First double-limb pier
Column, the second double limb pier and single limb pier stud can use concrete filled steel tube pier stud.
In addition, according to an embodiment of the invention, as shown in Fig. 2, in order to improve the steady of streetcar track beam steel structure
Qualitative, the junction between several track beam elements is provided with expansion joint 14.
In the present embodiment, with streetcar track beam steel structure be provided with the first track girder, the second track girder,
It is illustrated for third connection track girder (not shown) and tetrad track girder (not shown).First track girder and
Second track girder parallel arrangement, third join track girder and tetrad track girder parallel arrangement, and first double limb pier is used for
Support the first track girder and the second track simultaneously, another first double limb pier for support simultaneously third connection track girder with
Tetrad track girder；First track girder is connected with third connection track girder, and is provided with expansion joint 14, expansion joint between the two
14 are arranged along the width direction of the first track girder and third connection track girder；Second track girder and tetrad track girder connect
Connect, and be provided with expansion joint 14 between the two, expansion joint 14 along the second track girder and tetrad track girder width side
To setting；Two the first double-limb piers are close to 14 position of expansion joint, and two the first double-limb pier parallel arrangements.
Wherein, the first main track rail is provided on the first track girder and third connection track girder, the second track girder and the
The second main track rail is provided on tetrad track girder.Tramcar is transported respectively along the first main track rail and the second main track rail
Row, the center line of vehicle wheel profile 19 are overlapped with the center line of the first main track rail and the second main track rail respectively.
In addition, according to an embodiment of the invention, as shown in Figures 2 and 3, the first double limb pier, the second double limb pier and list
The pier top of limb pier stud is mounted on steel lid beam 7, and steel lid beam 7 is used to provide installation for the first track girder and the second track girder
Position.
In the present embodiment, connected with the first double limb pier by steel lid beam 7 and the first track girder and the second track girder
Example is connected in be described in detail.The pier top of first double limb pier is provided with steel lid beam 7, backing plate 8 is provided on steel lid beam 7, pads
Plate 8 has just been connect by high-strength bolt 10 with the first track girder and the second track girder.Wherein, first double limb pier extend into steel
The bottom plate of bent cap, pre-buried backing plate is to realize the rigid of the first double limb pier and steel lid beam in the bottom plate by the way that steel lid beam is arranged in
It connects.
In addition, according to an embodiment of the invention, the pier bottom of single limb pier stud 11 is equipped with first foundation 16 and the first cushion cap 15；
First foundation 16 is set in earth's surface ground layer below；First cushion cap 15 is located on first foundation 16 and first foundation 16
Top connection is integral；The pier bottom of single limb pier stud 11 is arranged on the first cushion cap 15, and is rigidly connected with the first cushion cap 15.
In the present embodiment, as shown in fig. 6, single limb pier stud 11 uses concrete filled steel tube pier stud, the steel of single limb pier stud 11
Pipe can be processed in factory, and the bottom of single limb pier stud 11 uses plug-in type suspension column, be inserted into the first cushion cap 15 after running to building site
Reserved rim of a cup and then concrete perfusion；Single limb pier stud 11 passes through installation shear connector 12 and suspension column steel plate 13, suspension column steel plate 13
It is fixed on the first cushion cap 15 by high-strength bolt 10, single limb pier stud is improved by installation shear connector 12 and suspension column steel plate 13
11 and the direct binding force of the first cushion cap 15；Single limb pier stud 11 can make stage by stage according to highly, then high-strength in building-site
Bolt splicing, pumpable steel pipe inner concrete is to complete the manufacture of single limb pier stud 11 after the penstock installation of single limb pier stud 11.
In addition, according to an embodiment of the invention, the first double limb pier of any track beam element track girder adjacent thereto
Second double limb pier of unit is arranged on same second cushion cap 17, and is rigidly connected with the second cushion cap 17；
The first double limb pier setting of second double limb pier of any track beam element track beam element adjacent thereto exists
On same third cushion cap 21, and it is rigidly connected with third cushion cap 21.
In the present embodiment, with streetcar track beam steel structure be provided with the first track girder, the second track girder,
It is illustrated for third connection track girder (not shown) and tetrad track girder (not shown).First track girder and
Second track girder parallel arrangement, third join track girder and tetrad track girder parallel arrangement, and the first double limb pier is for simultaneously
The first track girder and the second track are supported, the second double limb pier is used for while supporting third connection track girder and tetrad track
Beam, the first double limb pier and the second double limb pier are arranged on same second cushion cap 17, and connect with 17 rigidity of the second cushion cap
It connects.First double limb pier and the second double limb pier are close to 14 position of expansion joint, and the first double limb pier and the second double limb pier
Parallel arrangement.
Further, according to an embodiment of the invention, the first double limb pier include two first double limb pier subelements, two
It is provided with the first batten plate 18 between root the first double limb pier subelement or first sews pipe 20；
Second double limb pier includes two second double limb pier subelements, is arranged between two second double limb pier subelements
There is the second batten plate (not shown) or second sews pipe (not shown).
Specifically, as shown in Figure 4 and Figure 5, it is provided with the first batten plate 18 between two first double limb pier subelements, two
The second batten plate is provided between second double limb pier subelement.
As shown in Figure 7 and Figure 8, it is provided with first between two first double limb pier subelements and sews pipe 20, two second pair
Second, which is provided with, between limb pier stud subelement sews pipe.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of streetcar track beam steel structure, which is characterized in that any including sequentially connected several track beam elements
The track beam element includes the first track of the first double limb pier, the second double limb pier, single limb pier stud and parallel arrangement
Beam and the second track girder；
First double limb pier is arranged in the first end of first track girder, second track girder, and described second
The second end of first track girder, second track girder is arranged in double limb pier, and the list limb pier stud is arranged in institute
It states between the first double limb pier and second double limb pier；First double limb pier, second double limb pier and described
Single limb pier stud is used to support first track girder and second track girder simultaneously.
2. streetcar track beam steel structure as described in claim 1, which is characterized in that several track beam elements it
Between junction be provided with expansion joint.
3. streetcar track beam steel structure as described in claim 1, which is characterized in that first double limb pier and institute
Stating setting between the second double limb pier, there are two single limb pier studs.
4. streetcar track beam steel structure as described in claim 1, which is characterized in that first track girder and institute
Stating the second track girder includes several steel box-girders.
5. streetcar track beam steel structure as claimed in claim 4, which is characterized in that the steel box-girder includes bottom plate,
Backplate surface is equipped with two blocks of webs vertically along its length, and web is located at the two sides of bottom plate；The top surface of every block of web is designed with
The middle part of one piece of top plate, web and top plate connects.
6. streetcar track beam steel structure as described in claim 1, which is characterized in that first double limb pier, institute
The pier top for stating the second double limb pier and single limb pier stud is mounted on steel lid beam, and the steel lid beam is used to be first rail
Road beam and second track girder provide installation position.
7. streetcar track beam steel structure as described in claim 1, which is characterized in that the pier bottom peace of the list limb pier stud
Equipped with first foundation and the first cushion cap；The first foundation is set in earth's surface ground layer below；First cushion cap is located at
It connect on the first foundation with the top of the first foundation integral；The pier bottom of the list limb pier stud is arranged at described
On first cushion cap, and it is rigidly connected with first cushion cap.
8. streetcar track beam steel structure as described in claim 1, which is characterized in that any track beam element
Second double limb pier of the first double limb pier track beam element adjacent thereto is arranged on the second cushion cap, and with
The second cushion cap rigid connection；
First double limb pier of the second double limb pier of any track beam element track beam element adjacent thereto is equal
It is arranged on third cushion cap, and is rigidly connected with the third cushion cap.
9. streetcar track beam steel structure as described in claim 1, which is characterized in that first double limb pier, institute
The cross-sectional shape for stating the second double limb pier and single limb pier stud is circle.
10. streetcar track beam steel structure as described in claim 1, which is characterized in that the first double limb pier packet
Two first double limb pier subelements are included, are provided with the first batten plate or first between two first double limb pier subelements
Sew pipe；
Second double limb pier includes two second double limb pier subelements, between two second double limb pier subelements
It is provided with the second batten plate or second sews pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268720.0A CN109371799A (en) | 2018-10-29 | 2018-10-29 | Streetcar track beam steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268720.0A CN109371799A (en) | 2018-10-29 | 2018-10-29 | Streetcar track beam steel structure |
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| Publication Number | Publication Date |
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| CN109371799A true CN109371799A (en) | 2019-02-22 |
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| CN201811268720.0A Pending CN109371799A (en) | 2018-10-29 | 2018-10-29 | Streetcar track beam steel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778662A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Across the rigid flute type beam bridge of shallow tunnel |
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