CN212533543U - Single track roadbed structure of hard rock area straddle type - Google Patents

Single track roadbed structure of hard rock area straddle type Download PDF

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Publication number
CN212533543U
CN212533543U CN202021302434.4U CN202021302434U CN212533543U CN 212533543 U CN212533543 U CN 212533543U CN 202021302434 U CN202021302434 U CN 202021302434U CN 212533543 U CN212533543 U CN 212533543U
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China
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track
hard rock
roadbed structure
straddle
monorail
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CN202021302434.4U
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康承磊
谢淼
焦世杰
张健
盘法侦
李晓娜
杨昆
王海蝶
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China Railway Siyuan Survey and Design Group Co Ltd
Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model provides a single track roadbed structure of straddle type in hard rock area, roadbed structure includes a plurality of cushion caps and a plurality of backup pads that are used for supporting the single track roof beam of straddle type, a plurality of cushion caps are laid in hard rock stratum and are laid along the longitudinal interval of track roof beam, a plurality of backup pads are arranged along the longitudinal direction of track roof beam in proper order, the backup pad is laid at the top of a plurality of cushion caps and is connected with the cushion cap, the track roof beam is fixed to the top of backup pad; two straddle type monorail track beams are longitudinally arranged on each supporting plate in parallel. According to the roadbed structure, a plurality of bearing platforms are arranged on a hard rock stratum to support a track beam, so that loads of the track beam and vehicles on the upper part of the track beam are dispersed and transmitted to the hard rock stratum, and structural diseases caused by uneven settlement are avoided; the supporting plate is arranged at the top of the bearing platform, and the two rail beams which are longitudinally arranged in parallel are respectively fixed on the supporting plate, so that the centripetal force and the lateral load when the train turns are relieved, and the overall stability of the rail beams is improved.

Description

Single track roadbed structure of hard rock area straddle type
Technical Field
The utility model relates to a stride a formula monorail traffic engineering technical field, in particular to single track roadbed structure of a formula is striden in hard rock area.
Background
The straddle type monorail is a novel rail transit which is supported, stabilized and guided by a rail beam, and a vehicle body rides on the rail beam to run. The straddle type monorail traffic engineering is built and operated in many places in China due to the advantages of small occupied area, strong climbing and curve capacity, small noise, small landscape influence, large building density adaptability and the like. The straddle type monorail is an important choice for urban rail transit construction, the construction strength of the straddle type monorail is continuously expanded, but the straddle type monorail is mainly in an overhead form basically, the construction cost is high, and the maintenance and the repair are difficult. Particularly, in hard rock areas and other areas with good geological conditions, the construction cost is increased because the construction method passes through the areas with good geological conditions in an overhead manner and the geological conditions are not well utilized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single track roadbed structure is striden to hard rock area to stride a formula monorail traffic engineering construction maintenance complicacy, the cost is high, economic environmental protection benefit is poor technical problem of hard rock area among the solution prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a single track roadbed structure of formula is striden in hard rock area, including a plurality of cushion caps and a plurality of backup pads that are used for supporting the single track roof beam of formula of striding, a plurality of the cushion caps are laid in hard rock stratum and are laid along the longitudinal interval of track roof beam, a plurality of the backup pads are arranged along the longitudinal direction of track roof beam in proper order, the backup pad is laid at the top of a plurality of the cushion caps and is connected with the cushion cap, the track roof beam is fixed to the top of backup pad; the track beams of the straddle type monorail are longitudinally and parallelly arranged on each supporting plate.
Furthermore, the bearing platforms are respectively arranged at the joint of two adjacent track beams of the straddle type monorail.
Further, the roadbed structure further comprises a plurality of reinforcing structures, the reinforcing structures are arranged between the supporting plate and the track beam, and the reinforcing structures are located on the side portion of the track beam and are respectively fixedly connected with the supporting plate and the track beam.
Further, the rail beam of one straddle-type monorail faces one side of the other straddle-type monorail which is arranged in parallel with the longitudinal direction of the rail beam, and the reinforcing structure is arranged on one side of the other straddle-type monorail.
Furthermore, a plurality of water drainage holes are formed in the supporting plate and are distributed at intervals along the longitudinal direction of the track beam.
Further, the roadbed structure further comprises a concrete cushion layer, and the concrete cushion layer is laid at the bottom of the bearing platform.
Furthermore, the roadbed structure further comprises a plurality of supports, and each support plate is arranged between the corresponding bearing platform and is fixedly connected with the corresponding bearing through the support.
Furthermore, the lower part of the bearing platform is embedded in the ground, and the thickness of the bearing platform embedded in the ground is 1/4-1 of the total thickness of the bearing platform.
Further, the projection of the length direction of the bearing platform in the horizontal plane is perpendicular to the projection of the extending direction of the track beam in the horizontal plane.
The utility model provides a roadbed structure of straddle type monorail in hard rock area arranges a plurality of bearing platforms above the stratum of hard rock or buries underground in the stratum to support the track beam, well disperses the load of track beam and its upper vehicle, and transmits the load to the hard rock stratum, avoids the structure disease caused by uneven settlement; in addition, the top of the bearing platform is provided with the supporting plate connected with the bearing platform, and the two longitudinally parallel straddle type monorail track beams are respectively fixed on the supporting plate, so that the centripetal force and the lateral load when the train turns are relieved, and the overall stability of the track beams is improved. The utility model discloses a roadbed structure compares with the structural style of current overhead, has reduced the bridge and has accounted for than, has shortened the time limit for a project, is showing and is reducing investment cost.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a roadbed structure of a straddle monorail in a hard rock area, wherein a track beam is shown;
fig. 2 is a schematic longitudinal sectional view of a roadbed structure of a straddle monorail in a hard rock area, in which a track beam is shown, according to an embodiment of the present invention;
fig. 3 is a top view of the roadbed structure shown in fig. 2;
fig. 4 is a flow chart of a construction method of a roadbed structure provided by the embodiment of the utility model.
Description of reference numerals:
10. a bearing platform; 20. a support plate; 30. a track beam; 40. a reinforcing structure; 50. a drain hole; 60. a concrete cushion; 70. a support; 80. side ditches; 90. backfilling the protective layer; 100. a hard rock formation.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. In the description of the present invention, the related position or positional relationship is based on the position or positional relationship shown in fig. 1, wherein "top" and "bottom" refer to the top-bottom direction of fig. 1. It is to be understood that such directional terms are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operative in a particular orientation, and therefore should not be taken as limiting the invention.
Referring to fig. 1 to 3, the present application provides a roadbed structure of a straddle type monorail in a hard rock area, including a plurality of bearing platforms 10 and a plurality of support plates 20 for supporting a track beam 30 of the straddle type monorail, wherein the plurality of bearing platforms 10 are laid on a hard rock stratum 100 and are arranged at intervals along the longitudinal direction of the track beam 30, the plurality of support plates 20 are sequentially arranged along the longitudinal direction of the track beam 30, the support plates 20 are arranged on the tops of the plurality of bearing platforms 10 and are connected with the bearing platforms 10, and the track beam 30 is fixed on the top ends of the support plates 20; two track beams 30 of the straddle type monorail are longitudinally arranged on each supporting plate 20 in parallel.
The existing roadbed structure of the straddle type monorail mainly adopts an elevated form, so that the cost is high and the maintenance and repair are difficult; the roadbed structure adopts a large amount of cast-in-situ bored piles and reinforced concrete raft plates, so that the engineering investment is large, the economic benefit is poor, and the environmental protection benefit is poor when the reinforced concrete raft plate foundation is laid on the terrace in a large area.
According to the roadbed structure of the straddle type monorail in the hard rock area, provided by the embodiment of the application, the bearing platforms 10 are arranged above the hard rock stratum or buried in the stratum to support the track beam 30, so that the loads of the track beam 30 and vehicles on the upper part of the track beam 30 are well dispersed, the loads are transmitted to the hard rock stratum 100, and the structural damage caused by uneven settlement is avoided; in addition, a supporting plate 20 connected with the bearing platform 10 is arranged at the top of the bearing platform, and the rail beams 30 of the two straddle type monorail which are longitudinally arranged in parallel are respectively fixed on the supporting plate 20, thereby relieving the centripetal force and the side load when the train turns, and increasing the overall stability of the rail beams 30.
Compared with the existing overhead structure, the roadbed structure of the embodiment of the application reduces the bridge occupation ratio, shortens the construction period and obviously reduces the investment cost; in addition, the roadbed structure of the embodiment of the application well avoids the defects of the existing roadbed structure, the construction quality is easier to control, and the long-term stability is better.
In the embodiment of the present application, referring to fig. 1 and 2, a plurality of bearing platforms 10 are laid above a hard rock stratum 100 or buried in the hard rock stratum 100, the plurality of bearing platforms 10 are used for supporting a track beam 30, and settlement generated by a load of the track beam 30 and a train on the track beam 30 can be transmitted to the bearing platforms 10 and then transmitted to the hard rock stratum 100 through the bearing platforms 10, so that deformation of a roadbed structure can be better controlled. Therefore, the arrangement of the plurality of bearing platforms 10 well disperses the load of the track beam 30 and the train on the track beam, can realize the uniform transmission of the load, and avoids the structural damage caused by the uneven settlement. Referring to fig. 2, a plurality of bearing platforms 10 are arranged at intervals along the extending direction of the track beam 30 of the straddle-type monorail. The size, i.e. the distance, of the bearing platform 10 can be determined according to actual conditions, and the requirements of structural strength, rigidity and stability are met.
In the embodiment of the present application, a plurality of supporting plates 20 are disposed in the roadbed structure. Referring to fig. 1 and 3, a support plate 20 is positioned on top of the platform 10 and is coupled to the platform 10. Each support plate 20 spans over a plurality of the bearing platforms 10, and the support plate 20 is connected to each bearing platform 10 therebelow. The plurality of support plates 20 are sequentially arranged in the longitudinal direction of the rail beam 30 and supported on the plurality of bearing stages 10 arranged at intervals. The track beams 30 of the straddle-type monorail are fixed at the top ends of the support plates 20, and two sets of track beams 30 are arranged in parallel on each support plate 20. The two groups of track beams 30 are respectively two straddle type monorail track beams 30 which are longitudinally arranged in parallel. Namely, two track beams 30 of the straddle type monorail are longitudinally arranged in parallel on each supporting plate 20. The support plate 20 connects the track beams 30 of the two straddle monorail arranged in parallel in the longitudinal direction into a whole, so that the centripetal force and the lateral load of a train during steering can be relieved, and the overall stability of the track beams 30 is improved.
In some embodiments, referring to fig. 2, the platforms 10 are respectively disposed at the seams of two adjacent track beams 30 of the straddle-type monorail. It is understood that the number of the track beams 30 is plural for the same straddle-type monorail, and the plurality of track beams 30 are arranged along the extending direction of the track. The bearing platforms 10 are arranged at the joint of two adjacent track beams 30 of the same straddle type monorail, that is, the bearing platforms 10 are not arranged at the middle parts of the track beams 30, only the bearing platforms 10 are arranged at the corresponding positions of the two end parts of each track beam 30, and each bearing platform 10 can respectively bear two track beams 30 above the bearing platform, so that the number of the bearing platforms 10 can be reduced on the premise of ensuring that the load of the track beams 30 is smoothly transmitted to the bearing platforms 10, and the cost of the roadbed structure is reduced.
It is understood that the bearing platform 10 may be disposed above the hard rock formation 100 or may be buried within the hard rock formation 100. In some embodiments, the lower part of the bearing platform 10 is buried in the ground, and the thickness of the bearing platform 10 buried in the ground is 1/4-1 of the total thickness of the bearing platform 10. The bearing platform 10 may be partially or entirely buried in the hard rock formation 100 in the thickness direction, so that the stability of the bearing platform 10 can be further improved, and the supporting effect on the support plate 20 and the track beam 30 and the load dispersing effect can be enhanced. Further, a projection of the length direction of the platform 10 in the horizontal plane is perpendicular to a projection of the extending direction of the track beam 30 in the horizontal plane. It can be understood that, when the length direction of the platform 10 is perpendicular to the extending direction of the track beam 30, the effect of dispersing the load of the track beam 30 and the upper part thereof is best.
In the present embodiment, when the bearing platform 10 is buried in the hard rock formation 100, the backfill protective layer 90 is filled around the bearing platform 10. The backfill protective layer 90 plays a role in increasing the stability of the bearing platform 10, protecting the bearing platform 10 and the stratum structure under the bearing platform 10 from being stable for a long time, and avoiding disturbance of an attached structure to the stratum under the bearing platform 10. The backfill protective layer 90 is generally filled with fine-grained soil improved soil, low-grade plain concrete and other materials with good anti-seepage performance, and is filled with low-grade concrete at the part which is difficult to roll around the equipment foundation. In some embodiments, a waterproof seal is provided on the top surface of backfill protection layer 90. The waterproof sealing layer is generally made of asphalt concrete or waterproof concrete, and the thickness of the waterproof sealing layer is 5 cm-10 cm. The waterproof sealing layer and the backfill protective layer 90 jointly prevent rainwater from infiltrating, and the strength and long-term stability of the roadbed structure are ensured.
In some embodiments, referring to fig. 1, the roadbed structure further comprises a plurality of reinforcing structures 40, the reinforcing structures 40 are arranged between the supporting plate 20 and the track beam 30, and the reinforcing structures 40 are located at the side parts of the track beam 30 and are fixedly connected with the supporting plate 20 and the track beam 30 respectively. It is understood that the reinforcing structure 40 may be a reinforcing plate extending along the longitudinal direction of the rail beam 30, one end of the reinforcing plate in the transverse direction is connected to the rail beam 30, and the other end of the reinforcing plate in the transverse direction is connected to the support plate 20, so as to support the rail beam 30 and the support plate 20, thereby increasing the overall stability of the rail beam 30 structure. The reinforcing structure 40 may also be a corner brace, and a plurality of corner braces may be disposed between the supporting plate 20 and the same track beam 30, and the plurality of corner braces are arranged at intervals along the longitudinal direction of the track beam 30; it is also possible to provide only one corner brace between the support plate 20 and the same rail beam 30, which corner brace extends in the longitudinal direction of the rail beam 30 and is provided between the support plate 20 and the rail beam 30. The corner supports are more advantageous for the increase of stability between the support plate 20 and the rail beam 30.
In addition, the reinforcing structure 40, whether a reinforcing plate or a gusset, may be provided on one side or both sides of the rail beam 30. Further, the rail beam 30 of one straddle-type monorail is provided with a reinforcing structure 40 towards the side of the other straddle-type monorail arranged parallel to the longitudinal direction thereof. That is, the two track beams 30 of the straddle-type monorail are longitudinally arranged in parallel on the same support plate 20, and the reinforcing structures 40 are preferably respectively arranged on the inner sides of the two track beams 30, that is, the side of the track beam 30 of one straddle-type monorail facing the track beam 30 of the other straddle-type monorail, and the reinforcing structures 40 of the two track beams 30 are oppositely arranged.
In some embodiments, referring to fig. 3, the support plate 20 is formed with a plurality of drainage holes 50, and the plurality of drainage holes 50 are spaced apart along the longitudinal direction of the rail beam 30. It will be appreciated that the support plate 20 can not only connect the two rail girders 30 as a whole, but also serve as an evacuation platform in the upper space thereof. A plurality of water discharge holes 50 are additionally formed in the support plate 20 to smoothly discharge water between the two track girders 30. The plurality of water discharge holes 50 may be arranged in a row, and may be provided in one or more rows. When the support plate 20 is provided with a row of the above-mentioned drain holes 50, the drain holes 50 are provided at the widthwise middle portion of the support plate 20.
In some embodiments, the roadbed structure further comprises a concrete cushion 60, and the concrete cushion 60 is laid on the bottom of the bearing platform 10. Specifically, the thickness of the concrete cushion layer 60 is 10cm to 15cm, and generally, low-grade plain concrete is adopted, and a layer of reinforcing mesh is sandwiched and laid in the concrete cushion layer, so that the effects of uniformly diffusing the stress of the bearing platform 10, preventing water, stabilizing, leveling and the like are achieved.
In some embodiments, referring to fig. 1, the roadbed structure further comprises a plurality of supports 70, wherein each support plate 20 is disposed between the corresponding bearing platform 10 and is fixedly connected with the corresponding bearing platform 70 through the support 70. In the embodiment of the present application, the support 70 connects the support plate 20 and the bearing platform 10, and can transmit the settlement generated by the upper load to the bearing platform 10 to control the deformation of the roadbed structure; the support 70 can also fix the support plate 20 and the cap 10 together, improving the overall stability of the roadbed structure.
The construction method of the roadbed structure of the straddle monorail in the hard rock area, which is disclosed by the embodiment of the application, is shown in fig. 4 and comprises the following steps: s1, constructing a plurality of bearing platforms 10, and arranging the plurality of bearing platforms 10 at intervals along the longitudinal direction of the track beam 30; s2, constructing a plurality of supporting plates 20, respectively connecting the supporting plates 20 with the top of the bearing platform 10, and sequentially arranging the supporting plates 20 along the longitudinal direction of the track beam 30; s3, constructing two straddle type monorail track beams 30 arranged in parallel in the longitudinal direction on each supporting plate 20, and fixing the track beams 30 on the top ends of the supporting plates 20.
In the embodiment of the application, in the construction process of the roadbed structure, a plurality of bearing platforms 10 are respectively constructed below the supporting plate 20 and the track beam 30, the bearing platforms 10 are connected with the supporting plate 20, the track beam 30 can be better supported, the load of the track beam 30 and the train on the upper portion of the track beam is transmitted to the hard rock stratum 100 through the bearing platforms 10, and the structural reliability is improved. In addition, the supporting plate 20 is arranged at the top of the bearing platform 10, two straddle type monorail track beams 30 which are longitudinally arranged in parallel are constructed on each supporting plate 20, the two track beams 30 are respectively fixed at the two transverse sides of the top end of the supporting plate 20, and the supporting plate 20 connects the two track beams 30 into a whole, so that the centripetal force and the side load when the train turns are relieved. The construction method of the roadbed structure reduces the construction of overhead bridges, shortens the construction period and obviously reduces the investment cost.
In some embodiments, before the step of constructing the plurality of bearing platforms 10 to arrange the plurality of bearing platforms 10 at intervals along the longitudinal direction of the track beam 30, the method further comprises the following steps: side grooves 80 are dug at both sides of the platform 10 in the longitudinal direction of the track beam 30, respectively. Side ditches 80 are excavated on two longitudinal sides of the bearing platform 10 along the track beam 30, so that smooth drainage in the whole construction process of the roadbed structure can be ensured, and the influence of rainfall on a planned field area is reduced. In other embodiments, before the step of constructing the plurality of bearing platforms 10 to arrange the plurality of bearing platforms 10 at intervals along the longitudinal direction of the track beam 30, the method further comprises the following steps: the concrete pad 60 is laid such that the concrete pad 60 is located at the bottom of the platform 10. Before the bearing platform 10 is constructed, a concrete cushion 60 is laid at the bottom of the bearing platform 10, so that the stress of the bearing platform 10 can be uniformly diffused, and the effects of water prevention, stability, leveling and the like are achieved.
In some embodiments, in the step of constructing a plurality of support plates 20, respectively connecting the support plates 20 to the tops of the bearing blocks 10, and sequentially arranging the plurality of support plates 20 in the longitudinal direction of the rail beam 30, both longitudinal ends of each support plate 20 are respectively fixed to two adjacent bearing blocks 10. That is, one support plate 20 is constructed on two adjacent bearing platforms 10, referring to fig. 3, and the longitudinal ends of the support plate 20 are respectively and fixedly connected with the bearing platforms 10, that is, the support plate 20 spans between the two bearing platforms 10, which not only reduces the number of the bearing platforms 10 and reduces the manufacturing cost of the roadbed structure, but also enables the load on the support plate 20 to be transmitted to the bearing platforms 10 and then to the hard rock stratum 100, thereby avoiding the structural damage caused by uneven settlement.
In the embodiment of the application, the concrete construction steps of the roadbed structure are as follows:
1. firstly, side slope excavation and site leveling are carried out, and necessary side slope protection is carried out according to design.
2. Side ditches 80 are respectively constructed at the two longitudinal sides of the bearing platform 10 along the track beam 30, so that smooth drainage in the whole construction process is ensured, and the influence of rainfall on the planned field area is reduced.
3. And (4) measuring and setting out, and excavating the platform to a design elevation according to the slope ratio of 1: 1 so as to bury the bearing platform 10.
4. A concrete pad 60 is laid. After the concrete cushion 60 reaches the designed strength, erecting the formwork according to the size of the bearing platform 10, pouring concrete after binding reinforcing steel bars to construct the bearing platform 10, and reserving the position of the support 70 on the bearing platform 10.
5. And (4) after the construction of the bearing platform 10 is completed, removing the template, and constructing the backfill protective layer 90 according to requirements. The backfill protective layer 90 is filled and compacted by adopting fine-grained soil improved soil, the concrete is required to reach the design strength, and the filling and compacting detection is qualified.
6. And after the bearing platform 10 meets the concrete setting period of not less than 28 days and reaches the design strength requirement, the support 70, the bottom plate and the track beam 30 are constructed. The support 70 fixedly connects the bearing platform 10 and the support plate 20, and a connecting member at one end of the support 70 is embedded in the bearing platform 10, and a connecting member at the other end is embedded in the bottom plate. The support plate 20 and the track beam 30 may be cast simultaneously.
7. A plurality of water discharge holes 50 are formed at intervals on the support plate 20, and a plurality of reinforcing structures 40 are formed at the side of the track girder 30.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Moreover, the technical solutions of the present invention between the various embodiments can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are combined and contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and the present invention is not within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a single track roadbed structure of formula is striden in hard rock area which characterized in that: the supporting plate is arranged at the top of the bearing platforms and connected with the bearing platforms, and the top ends of the supporting plates are fixed with the track beam; the track beams of the straddle type monorail are longitudinally and parallelly arranged on each supporting plate.
2. The roadbed structure of the straddle monorail in the hard rock region according to claim 1, wherein the bearing platforms are respectively arranged at the joints of two adjacent track beams of the straddle monorail.
3. The roadbed structure of the hard rock area straddle monorail according to claim 1, wherein the roadbed structure further comprises a plurality of reinforcing structures, the reinforcing structures are arranged between the supporting plates and the track beams, and the reinforcing structures are located on the side portions of the track beams and fixedly connected with the supporting plates and the track beams respectively.
4. The roadbed structure of the straddle-type monorail in the hard rock region according to claim 3, wherein the rail beam of one straddle-type monorail is provided with the reinforcement structure toward one side of another straddle-type monorail which is arranged in parallel with the longitudinal direction of the monorail.
5. The roadbed structure of the straddle monorail in the hard rock region according to any one of claims 1 to 4, wherein a plurality of drainage holes are formed in the support plate, and are arranged at intervals along the longitudinal direction of the track beam.
6. The roadbed structure of the straddle monorail in the hard rock region according to any one of claims 1 to 4, wherein the roadbed structure further comprises a concrete cushion layer, and the concrete cushion layer is laid at the bottom of the bearing platform.
7. The roadbed structure of the straddle monorail in the hard rock region according to any one of claims 1 to 4, wherein the roadbed structure further comprises a plurality of supports, and the supports are arranged between each support plate and the corresponding bearing platform and are fixedly connected through the supports.
8. The roadbed structure of the straddle monorail in the hard rock region according to any one of claims 1 to 4, wherein the lower part of the bearing platform is buried in the ground, and the thickness of the bearing platform buried in the ground is 1/4 to 1 of the total thickness of the bearing platform.
9. The roadbed structure of the straddle monorail in the hard rock region according to any one of claims 1 to 4, wherein a projection of a length direction of the bearing platform in a horizontal plane is perpendicular to a projection of an extending direction of the track beam in the horizontal plane.
CN202021302434.4U 2020-07-06 2020-07-06 Single track roadbed structure of hard rock area straddle type Active CN212533543U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827009A (en) * 2020-07-06 2020-10-27 中铁四院集团西南勘察设计有限公司 Subgrade structure and construction method of straddling monorail in hard rock area

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827009A (en) * 2020-07-06 2020-10-27 中铁四院集团西南勘察设计有限公司 Subgrade structure and construction method of straddling monorail in hard rock area

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