CN218712128U - Bridge and rail transit system - Google Patents
Bridge and rail transit system Download PDFInfo
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- CN218712128U CN218712128U CN202222871378.1U CN202222871378U CN218712128U CN 218712128 U CN218712128 U CN 218712128U CN 202222871378 U CN202222871378 U CN 202222871378U CN 218712128 U CN218712128 U CN 218712128U
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Abstract
The utility model discloses a bridge and track traffic system. The bridge is used for supporting a road, a track and a sidewalk, and comprises a first beam, a second beam, an end beam and a pier, wherein the first beams and the second beams are connected in a crossed mode to form a grid-shaped structure, the grid-shaped structure is used for supporting the road and the sidewalk, the end beam is connected with the end portions of the first beams, the end beam and the second beams are arranged in parallel, one portion of the end beam protrudes out of the grid-shaped structure, one portion of the end beam is used for supporting the track, and the pier is connected with the end beam. According to the utility model discloses a bridge, grid column structure atress performance is better, and the wholeness is better, has practiced thrift the occupation of land scope of bridge, has especially reduced the height of bridge, and the volume is less, has practiced thrift space and expense.
Description
Technical Field
The utility model relates to a track traffic system technical field especially relates to a bridge and track traffic system.
Background
At present, the commonly built structure of the road bridge and the track bridge is in a structure form of upper and lower layers. However, the structure has larger mass, larger occupied area and higher cost.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
According to the utility model discloses an aspect provides a bridge for support highway, track and pavement, the bridge includes:
a first beam and a second beam, a plurality of the first beams and a plurality of the second beams being cross-linked together to form a grid-like structure for supporting the roadway and the sidewalk;
the end beam is connected with the end parts of the first beams, the end beam is arranged in parallel with the second beams, a part of the end beam protrudes out of the grid-shaped structure, and a part of the end beam is used for supporting the track; and
and the bridge pier is connected with the end beam.
According to the utility model discloses a bridge for support highway, track and pavement, bridge include first roof beam, the second roof beam, end beam and pier, a plurality of first roof beams and a plurality of second roof beam cross connection be in the same place in order to form grid column structure, grid column structure is used for supporting highway and pavement, end beam and the end connection of a plurality of first roof beams, end beam and the parallel partial protrusion in grid column structure of setting up and end beam of second roof beam, a part of end beam is used for supporting the track, the pier is connected with the end beam. Therefore, the grid-shaped structure has better stress performance and integrity, saves the occupied area of the bridge, particularly reduces the height of the bridge, has smaller volume and saves space and cost.
Optionally, a top surface of the end beam in a height direction of the bridge is flush with a top surface of the first beam and/or the second beam.
Optionally, the top of grid-like structure is provided with the layer of mating formation of road, the layer of mating formation of road includes the backup pad and is located the concrete layer of the top of backup pad, the backup pad is connected to grid-like structure, the top on concrete layer has the highway with the pavement.
Optionally, the bridge piers include a first bridge pier and a second bridge pier, the first bridge pier and the second bridge pier are arranged at intervals along the length direction of the end beam, the first bridge pier is located below the road, and the second bridge pier is located below the rail.
Optionally, the bridge includes a plurality of the end beams, a plurality of the end beams are arranged at intervals along the length direction of the first beam, and two of the end beams are respectively connected with two ends of the first beam.
Optionally, the bridge comprises a plurality of piers, the plurality of piers are arranged at intervals along the length direction of the first beam, and the plurality of piers are connected to the plurality of end beams respectively.
Optionally, the bridge further comprises a pile foundation and a bearing platform, wherein the pile foundation is connected to the bridge pier through the bearing platform.
Optionally, the end beam is a steel beam, and the first beam and/or the second beam is an i-beam.
The utility model provides a rail transit system, rail transit system includes highway, track, pavement and foretell bridge, the highway pavement with the track is arranged side by side, and is a plurality of first roof beam and a plurality of second roof beam cross connection is in the same place in order to form grid column structure, grid column structure is used for supporting the highway with the pavement, the end beam with the second roof beam parallel arrangement just a part protrusion of end beam in grid column structure, a part of end beam is used for supporting the track.
According to the utility model discloses a rail transit system, rail transit system includes the highway, the track, pavement and foretell bridge, the bridge is used for supporting the highway, track and pavement, the highway, pavement and track are arranged side by side, the bridge includes first roof beam, the second roof beam, end beam and pier, a plurality of first roof beams and a plurality of second roof beam cross connection are in the same place in order to form grid column structure, grid column structure is used for supporting highway and pavement, the end beam is with the end connection of a plurality of first roof beams, the end beam sets up and the partly protrusion in grid column structure of end beam with the second roof beam is parallel, a part of end beam is used for supporting the track, the pier is connected with the end beam. Therefore, the grid-shaped structure has better stress performance and integrity, saves the occupied area of the bridge, particularly reduces the height of the bridge, has smaller volume and saves space and cost.
Optionally, the rail transit system comprises at least two of the rails, at least two of the rails being located on the same side of the highway, a portion of the end beam being connected to at least two of the rails.
Optionally, the bridge piers include a first bridge pier and a second bridge pier, the first bridge pier and the second bridge pier are arranged along the length direction of the end beam at intervals, the first bridge pier is located below the road, and the second bridge pier is located below the at least two rails.
Drawings
The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings embodiments of the invention and the description thereof for the purpose of illustrating the devices and principles of the invention. In the drawings, there is shown in the drawings,
fig. 1 is a schematic front view of a rail transit system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic bottom view of the rail transit system shown in FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2;
FIG. 4 is a side view schematic illustration of the rail transit system shown in FIG. 1;
fig. 5 is a partially enlarged view of a portion B in fig. 4;
fig. 6 is a schematic view of the pavement shown in fig. 1.
Description of the reference numerals:
100: bridge 111: first beam
112: second beam 113: end beam
114: road pavement layer 115: rail support
116: bridge beam support 117: part of an end beam
118: support plate 119: concrete layer
120: 150 parts of asphalt pavement: bridge pier
151: first pier 152: second bridge pier
153: pile foundation 154: bearing platform
155: the guardrail 200: rail transit system
201: the road 202: track
203: sidewalk
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It is apparent that the practice of the invention is not limited to the specific details known to those skilled in the art. The present invention is described in detail below with reference to preferred embodiments thereof, however, the present invention can have other embodiments in addition to the detailed description, and should not be construed as being limited to the embodiments set forth herein.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, and that the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. When the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The terms "upper", "lower", "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only and are not limiting.
Ordinal words such as "first" and "second" are referred to in this application as labels only, and do not have any other meanings, such as a particular order, etc. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component".
In the following, embodiments of the invention will be described in more detail with reference to the accompanying drawings, which show representative embodiments of the invention and are not intended to limit the invention.
The utility model provides a bridge 100, bridge 100 are used for supporting highway 201, track 202 and pavement 203, have formed the combination bridge 100 structure that highway 201 and track 202 built jointly. The road 201 is used for running vehicles such as fuel-fired vehicles and trams, and the track 202 is used for running vehicles such as rubber-tyred trams. The bridge 100 can stably support a road 201, a rail 202, and a sidewalk 203. Multiple types of vehicles can run on the same bridge together and are not easy to shake.
As shown in fig. 1 to 5, the bridge 100 includes a pier 150, and the pier 150 is located below the bridge 100 to be connected to the ground, thereby stably supporting a road 201, a rail 202, and a sidewalk 203 above the pier 150. The pier 150 may be made of reinforced concrete to have superior structural strength. As an alternative embodiment, the bridge 100 further includes a pile foundation 153 and a cap 154, and the pile foundation 153 is connected to the bottom of the pier 150 through the cap 154. The pier 150 is installed to the ground through the pile foundation 153, so that the force received by the pier 150 is transmitted to the ground, the generation of settlement is prevented, and the stability can be enhanced and a good anti-seismic effect can be provided.
The bridge 100 can have a road 201, a track 202 and a sidewalk 203 arranged side by side. As shown in fig. 2, the bridge beam 100 includes a first beam 111 and a second beam 112, and the first beam 111 and the second beam 112 are arranged to cross. Preferably, the first beam 111 and the second beam 112 are perpendicular. As an alternative embodiment, the first beam 111 is an i-beam, which facilitates quick installation and construction. The length direction of the first beam 111 is parallel to the length direction of the bridge 100. The second beam 112 is an i-beam, which facilitates quick installation and construction. The length direction of the second beam 112 is parallel to the width direction of the bridge 100. The first beam 111 and the second beam 112 may be connected together by welding or bolting.
The bridge 100 includes a plurality of first beams 111, and the plurality of first beams 111 are arranged at intervals in a width direction of the bridge 100. The bridge 100 includes a plurality of second beams 112, and the plurality of second beams 112 are spaced apart along a length of the bridge 100. The plurality of first beams 111 and the plurality of second beams 112 are cross-coupled together to form a lattice-like structure. The grid-like structure is used to support the road 201 and the sidewalk 203 and has good structural strength.
Further, a road pavement layer 114 is disposed above the grid-like structure. The pavement layer 114 is formed by pouring a formwork. A road 201 and a sidewalk 203 are arranged above the road pavement layer 114, so that automobiles and pedestrians can walk conveniently. The projection of the grid-like structure in the height direction of the bridge 100 is located within the road pavement layer 114, so that the grid-like structure can stably support the road pavement layer 114, disperse the pressure applied by the highway 201 and the sidewalk 203, reduce the span of the road pavement slab, and reduce the thickness of the road pavement slab.
Further, as shown in fig. 6, the road pavement 114 includes a support plate 118 and a concrete layer 119, and the concrete layer 119 is located above the support plate 118. The support plate 118 may be a steel plate. The support plate 118 may be bolted or welded to the grid-like structure. For example, the support plate 118 may be coupled to the upper plate of the I-section beam of the first or second beam. Concrete is poured over the support plate 118 to form a concrete layer 119. Above the concrete layer 119 there is a road and a walkway. For example, the concrete layer 119 has an asphalt pavement 120 thereon, and the asphalt pavement 120 is used for automobiles and pedestrians to walk.
The bridge 100 further includes an end beam 113, the end beam 113 being connected to ends of the plurality of first beams 111, and the end beam 113 being further connected to the pier 150. As an alternative embodiment, referring to fig. 1, the bridge 100 further includes bridge supports 116, and the end beams 113 may be directly connected to the piers 150 through the bridge supports 116, thereby eliminating the conventional capping beams. Bridge supports 116 are directly connected to the bottom of end beams 113 by welding or bolting. Bridge support 116 is connected to pier 150 by casting.
The length direction of the end beam 113 is parallel to the width direction of the bridge 100. The ends of the plurality of first beams 111 are each connected to an end beam 113. As an alternative embodiment, the end beams 113 are steel beams. The end beams 113 may be rectangular parallelepiped steel beam structures. The surface of the end beam 113 facing the first beam 111 and the end of the first beam 111 are connected together by welding or bolting. The end beam 113 is connected perpendicularly to the first beam 111 such that the end beam 113 is connected to the grid-like structure. The road pavement layer 114 is also located above the end beams 113 to ensure the continuity of pavement of the road 201.
The end beam 113 is arranged in parallel with the second beam 112. A portion 117 of the end beam 113 protrudes from the grid-like structure. End beams 113 can support a road 201, a track 202, and a sidewalk 203. The track 202 is arranged on the side of the road 201 and/or the sidewalk 203. To improve safety, a guardrail 155 is provided at a side of the sidewalk 203.
The portion 117 of the end beam 113 protruding from the grid-like structure is used to support the rail 202. A portion 117 of the end beam 113 protruding from the grid-like structure in the width direction of the bridge beam 100 is used to support the rail 202. The end beam 113 may be coupled to the rail 202 by a rail mount 115. The end beam 113 and the rail mount 115 are bolted together. The rail 202 and the rail support 115 are also bolted together. In order to ensure safety, an evacuation net is provided in the center of the track 202 to facilitate evacuation.
The other part of the end beam 113 that does not protrude from the grid-like structure is used to support the road 201 and the walkway 203. In this way, the road 201, the track 202 and the sidewalk 203 may be arranged side by side. The rails 202 are connected only to the end beams 113, and the end beams 113 are directly connected to the piers 150, reducing the resonance effect between the car and the tram. Therefore, the bridges of the highway 201 and the bridges of the track 202 are jointly built without being influenced, the integrity is good, the occupied area of the bridge 100 is saved, particularly the occupied area in the height direction of the bridge 100 is reduced, the size is small, and the space is saved. The highway 201, the track 202 and the sidewalk 203 are all arranged on the same face of the bridge 100, the road pavement layer 114 only needs to pave the road sections of the highway 201 and the sidewalk 203, and the track 202 does not need to be paved, so that materials are saved, and the cost is reduced.
According to the utility model discloses a bridge 100 for support highway 201, track 202 and pavement 203, bridge 100 includes first roof beam 111, second roof beam 112, end beam 113 and pier 150, a plurality of first roof beams 111 and a plurality of second roof beam 112 cross connection are in the same place in order to form grid-like structure, grid-like structure is used for supporting highway 201 and pavement 203, end beam 113 and the end connection of a plurality of first roof beams 111, end beam 113 and second roof beam 112 parallel arrangement and end beam 113's partly 117 protrusion in grid-like structure, end beam 113's partly 117 is used for supporting track 202, pier 150 is connected with end beam 113. Thus, the grid-shaped structure has better stress performance and integrity, saves the occupied area of the bridge 100, particularly reduces the height of the bridge 100, has smaller volume and saves space and cost.
In order to control the overall height of the bridge 100, as shown in fig. 4 and 5, the top surface of the end beam 113 in the height direction of the bridge 100 is flush with the top surface of the first beam 111. Thereby, flatness between the end beam 113 and the first beam 111 is ensured. The top surface of the end beam 113 in the height direction of the bridge beam 100 is flush with the top surface of the second beam 112. Thereby, flatness between the end beam 113 and the second beam 112 is ensured. The top surface of the first beam 111 in the height direction of the bridge beam 100 is flush with the top surface of the second beam 112. Thereby, flatness between the first beam 111 and the second beam 112 is ensured.
Further, as shown in fig. 1 and 3, bridge 100 includes a first pier 151 and a second pier 152, and first pier 151 and second pier 152 are spaced apart from each other in a longitudinal direction of end beam 113. The first pier 151 and the second pier 152 are provided at an interval in the width direction of the bridge 100. First pier 151 and second pier 152 may each be connected to end beam 113. First pier 151 is located below highway 201. Thereby, first pier 151 can provide stable supporting force to road 201. Second pier 152 is located below track 202. Thus, second pier 152 can provide stable supporting force to rail 202. Therefore, the acting force of the road 201, the rail 202 and the sidewalk 203 is prevented from being concentrated on the same bridge pier 150, and the service life of the bridge pier 150 is prolonged.
In the embodiment shown in fig. 2, the bridge 100 comprises a plurality of end beams 113, and the plurality of end beams 113 are arranged at intervals along the length direction of the first beam 111. A plurality of end beams 113 are spaced apart along the length of the bridge 100 to evenly distribute the forces of the road 201 and the rail 202. Two of the plurality of end beams 113 are located at both ends of the first beam 111, respectively. Two end beams 113 are connected to both ends of the first beam 111, respectively. Therefore, the acting force of the first beam 111 can act on the two end beams 113 respectively, so that the acting force concentration is avoided, and the service life of the end beams 113 is prolonged.
A plurality of end beams 113 may be disposed at intervals below the rail 202 to stably support the rail 202 to prevent the rail 202 from being broken. Bridge 100 may also support a plurality of rails 202. One end of the rail 202 may be connected to a portion 117 of one end beam 113 and the other end of the rail 202 may be connected to a portion 117 of the other end beam 113 so that the two end beams 113 together support the same rail 202, avoiding force concentrations and extending the useful life of the end beams 113 and the rail 202.
Further, the bridge 100 further includes a plurality of bridge piers 150, and the plurality of bridge piers 150 are provided at intervals along the longitudinal direction of the first beam 111. The plurality of piers 150 are provided at intervals in the longitudinal direction of the bridge 100. The plurality of piers 150 are connected to the plurality of end girders 113, respectively. The forces applied to the end beams 113 are transmitted to the ground through the piers 150, so that the stresses are uniformly balanced, and the service life of the bridge 100 is prolonged.
The utility model provides a track traffic system 200, track traffic system 200 includes highway 201, track 202, pavement 203 and foretell bridge 100, highway 201, pavement 203 and track 202 are arranged side by side, a plurality of first roof beams 111 and a plurality of second roof beam 112 cross connection are in the same place in order to form grid column structure, grid column structure is used for supporting highway 201 and pavement 203, end beam 113 and second roof beam 112 parallel arrangement and end beam 113's partly 117 protrusion in grid column structure, end beam 113's partly 117 is used for supporting track 202.
According to the utility model discloses a rail transit system 200, rail transit system 200 includes highway 201, track 202, pavement 203 and foretell bridge 100, the bridge is used for supporting highway 201, track 202 and pavement 203, highway 201, pavement 203 and track 202 are arranged side by side, bridge 100 includes first roof beam 111, second roof beam 112, end beam 113 and pier 150, a plurality of first roof beam 111 and a plurality of second roof beam 112 cross connection together are in order to form grid-like structure, grid-like structure is used for supporting highway 201 and pavement 203, end beam 113 is connected with the end connection of a plurality of first roof beam 111, end beam 113 and second roof beam 112 parallel arrangement and a part 117 of end beam 113 bulge in grid-like structure, a part 117 of end beam 113 is used for supporting track 202, pier 150 is connected with end beam 113. Thus, the grid-shaped structure has better stress performance and integrity, saves the occupied area of the bridge 100, particularly reduces the height of the bridge 100, has smaller volume and saves space and cost.
End beams 113 can support a road 201, a track 202, and a sidewalk 203. The portion 117 of the end beam 113 protruding from the grid-like structure is used to support the rail 202. The other part of the end beam 113 that does not protrude from the grid-like structure is used to support the road 201 and the walkway 203. In this way, the road 201, track 202 and walkway 203 may be arranged side by side. The rail 202 beam is connected only to the end beam 113 and the end beam 113 is directly connected to the pier 150, reducing the resonance effect between the car and the tram. Therefore, the bridges of the highway 201 and the bridges of the track 202 are jointly built without being influenced, the integrity is good, the occupied area of the bridge 100 is saved, particularly the occupied area in the height direction of the bridge 100 is reduced, the size is small, and the space is saved. The highway 201, the track 202 and the sidewalk 203 are all arranged on the same face of the bridge 100, the road pavement layer 114 only needs to pave the cross section of the highway 201 and the cross section of the sidewalk 203, the cross section of the track 202 does not need to be paved, materials are saved, and cost is reduced.
As an alternative embodiment, the rail transit system 200 includes at least two rails 202, and each of the at least two rails 202 is located on the same side of the highway 201. In the embodiment shown in fig. 1, the rail transit system 200 comprises two rails 202, both rails 202 being located on the same side of a road 201. The two rails 202 are disposed at intervals in the width direction of the bridge 100. Both rails 202 are connected together with a portion 117 of the end beam 113 so that the portion 117 of the end beam 113 can stably support both rails 202. Of course, in an embodiment not shown in the drawings, the rail transit system 200 may include a greater number of rails 202, such as three, four or more, and the plurality of rails 202 are each connected to the portion 117 of the end beam 113, which is not intended to be limiting in this embodiment. It will be appreciated that in another alternative embodiment, two tracks 202 may be located on each side of the highway 201.
As described above, bridge beam 100 includes first pier 151 and second pier 152, where first pier 151 and second pier 152 are spaced apart along a length of end beam 113. First pier 151 and second pier 152 are provided at an interval in the width direction of bridge 100. First pier 151 and second pier 152 may each be connected to end beam 113. First pier 151 is located below highway 201. Thereby, first pier 151 can provide stable supporting force to road 201. Second pier 152 is positioned below at least two rails 202. Thus, second pier 152 can provide stable support force to at least two rails 202. Therefore, the acting force of the road 201, the rail 202 and the sidewalk 203 is prevented from being concentrated on the same bridge pier 150, and the service life of the bridge pier 150 is prolonged.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "part," "member," and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that many more modifications and variations can be made in accordance with the teachings of the present invention, all of which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. A bridge for supporting a road, a track and a sidewalk, the bridge comprising:
a first beam and a second beam, a plurality of the first beams and a plurality of the second beams being cross-linked together to form a grid-like structure for supporting the roadway and the sidewalk;
the end beam is connected with the end parts of the first beams, the end beam is arranged in parallel with the second beams, a part of the end beam protrudes out of the grid-shaped structure, and a part of the end beam is used for supporting the track; and
and the bridge pier is connected with the end beam.
2. The bridge according to claim 1, wherein a top surface of the end beam in a height direction of the bridge is flush with a top surface of the first beam and/or the second beam.
3. The bridge according to claim 1, characterized in that above said grid-like structure there is provided a road pavement comprising a support plate and a concrete layer above said support plate, said support plate being connected to said grid-like structure, above said concrete layer there being said road and said sidewalk.
4. The bridge of claim 1, wherein the bridge piers comprise a first bridge pier and a second bridge pier, the first bridge pier and the second bridge pier are arranged at intervals along the length direction of the end beam, the first bridge pier is located below the highway, and the second bridge pier is located below the track.
5. The bridge according to any one of claims 1 to 4, wherein the bridge comprises a plurality of the end beams, the end beams are arranged at intervals along the length direction of the first beam, and two of the end beams are respectively connected with two ends of the first beam.
6. The bridge of claim 5, wherein the bridge comprises a plurality of bridge piers spaced apart along a length of the first beam, the plurality of bridge piers being connected to a plurality of the end beams, respectively.
7. The bridge according to claim 1, further comprising a pile foundation and a cap, the pile foundation being connected to the pier through the cap.
8. The bridge according to claim 1, wherein the end beams are steel beams and the first and/or second beams are i-beams.
9. A rail transit system comprising a road, a track, a sidewalk and a bridge according to any one of claims 1-8, the road, the sidewalk and the track being arranged side by side, a plurality of the first beams and a plurality of the second beams being cross-connected together to form a grid-like structure for supporting the road and the sidewalk, the end beams being arranged parallel to the second beams and a portion of the end beams protruding from the grid-like structure, a portion of the end beams being for supporting the track.
10. The rail transit system of claim 9, comprising at least two of the rails, the at least two of the rails being located on a same side of the roadway, a portion of the end beam being coupled to the at least two of the rails.
11. The rail transit system of claim 10, wherein the bridge piers comprise a first bridge pier and a second bridge pier, the first bridge pier and the second bridge pier are arranged at intervals along the length direction of the end beam, the first bridge pier is located below the highway, and the second bridge pier is located below at least two of the rails.
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CN202222871378.1U CN218712128U (en) | 2022-10-28 | 2022-10-28 | Bridge and rail transit system |
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CN202222871378.1U CN218712128U (en) | 2022-10-28 | 2022-10-28 | Bridge and rail transit system |
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CN218712128U true CN218712128U (en) | 2023-03-24 |
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