CN108374295B - Quick construction method of rubber-tyred guide rail trolley line and roadbed structure - Google Patents
Quick construction method of rubber-tyred guide rail trolley line and roadbed structure Download PDFInfo
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- CN108374295B CN108374295B CN201810321386.4A CN201810321386A CN108374295B CN 108374295 B CN108374295 B CN 108374295B CN 201810321386 A CN201810321386 A CN 201810321386A CN 108374295 B CN108374295 B CN 108374295B
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- 238000010276 construction Methods 0.000 title claims abstract description 59
- 239000004567 concrete Substances 0.000 claims abstract description 76
- 238000007711 solidification Methods 0.000 claims abstract description 14
- 230000008023 solidification Effects 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 239000011178 precast concrete Substances 0.000 claims description 30
- 239000010426 asphalt Substances 0.000 claims description 7
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 6
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/28—Rail tracks for guiding vehicles when running on road or similar surface
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/02—Wheel tracks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a quick construction method and a roadbed structure of a trolley line with rubber wheels and guide rails, which are constructed by adopting prefabricated concrete blocks in a modularized manner, wherein the prefabricated concrete blocks are quickly installed by using an adhesive after the existing road surface is grooved, and the guide rails are installed after solidification, so that the construction period can be shortened, the line construction efficiency can be improved, and the operation requirement without interruption can be met.
Description
Technical Field
The invention belongs to the field of urban novel rail transit, and particularly relates to a quick construction method and a roadbed structure of a rubber wheel guide rail trolley line.
Background
Tramcar engineering has the characteristics of small radius, large line gradient, low construction cost and the like, and has been rapidly developed in the whole country. The rubber-tyred guide rail trolley bus is used as a novel trolley bus, has the advantages of minimum curve radius, maximum gradient, running acceleration, emergency deceleration and the like of a line, is widely applied to urban rail transit construction, and is particularly suitable for the existing road reconstruction trolley bus project. Compared with the steel wheel rail tramcar bed with the thickness of 500mm, the guide rail tramcar bed has the advantages of smaller thickness, short reconstruction period and small investment. The rubber-tyred guide rail trolley is widely applied to urban rail transit construction at home and abroad by virtue of unique advantages, and the rubber-tyred guide rail trolley line is improved by adopting the existing roads in more and more areas in order to avoid the waste of the existing engineering.
Aiming at the existing road and bridge deck reconstruction projects, the traditional construction method and the roadbed structure are pavement pouring, the existing road and bridge deck reconstruction projects can be dried only by a few days after pouring, road operation is required to be interrupted for a long time, the existing road and bridge deck reconstruction projects cannot be immediately put into use after reconstruction, the construction is complex, and the period is long.
Disclosure of Invention
Aiming at least one of the defects or the improvement demands of the prior art, the invention provides a quick construction method and a roadbed structure of a rubber-tyred guide rail trolley line, which are used as a modularized quick construction method and structure, can reduce construction period, improve line construction efficiency and simultaneously can meet the requirement of uninterrupted operation.
In order to achieve the above object, according to one aspect of the present invention, there is provided a rapid construction method for transforming an existing road into a rubber-tyred rail trolley line, comprising the steps of:
step S1: according to the trolley-bus load requirement of the rubber-tyred guide rail, aiming at the trolley-bus size of the guide rail, combining the trolley-bus guide rail size of the guide rail, determining the size of a precast concrete groove to determine the structural size of a precast concrete block, and then processing and manufacturing; wherein, a guide rail groove is arranged above the middle part of the precast concrete block, and a bolt hole is reserved in the guide rail groove according to the installation position of the guide rail;
step S2: carrying out rapid grooving operation on the roadbed layer of the existing road according to the structure size of the precast concrete block, and leveling;
step S3: transporting the prefabricated concrete blocks to a construction site, loading the prefabricated concrete blocks after grooving is completed, adding adhesive into the grooving for bonding operation, and waiting for curing of the adhesive;
step S4: after solidification is completed, installing a guide rail in the guide rail groove in alignment with the reserved bolt hole;
step S5: debugging a trolley line system of the rubber wheel guide rail;
step S6: and after the debugging is qualified, the trolley is operated by the rubber wheel guide rail trolley.
Preferably, in the step S1, the prefabricated concrete block is selected from different structural forms and materials according to the line design requirements, including a full concrete type, an asphalt and concrete type, a lawn and concrete type, and a blue stone and concrete type.
Preferably, the modification of the existing road comprises night construction, rapid pavement and adhesion, and after a few hours of solidification, the road is recovered in the daytime directly on the road surface without interrupting the operation.
Preferably, the transformation of the existing road comprises construction of a night whole road section and construction of a daytime section, the construction mode of the daytime section comprises half construction of the road width, the other half operation or one third construction of the road width, the other two thirds operation, and the driving can be recovered after the solidification step of the construction road section is completed without interrupting the operation.
In order to achieve the above object, according to a second aspect of the present invention, there is also provided a roadbed structure of a rubber-tyred trolley line, comprising a lower roadbed layer, an intermediate concrete layer, an upper paving layer and a rail block;
the road base layer is provided with a track bed groove, the middle concrete layer and the paving layer are accommodated in the track bed groove, and an adhesive is arranged between the middle concrete layer and the road base layer;
the road paving machine is characterized in that a guide rail groove is formed in the road paving layer, a bolt hole is formed in the bottom of the guide rail groove, the guide rail block is installed in the guide rail groove, and the height of the upper surface of the guide rail block is equal to or lower than that of the road paving layer.
Preferably, the upper pavement layer is asphalt or concrete, and the guide rail grooves penetrate into the middle concrete layer.
Preferably, the upper paving layer comprises a lawn or a bluestone, a left concrete wall part and a right concrete wall part, wherein the left and right lawn or bluestone parts are respectively accommodated in grooves formed by the left concrete wall part, the right concrete wall part and the middle concrete layer, and the upper surfaces of the left concrete wall part, the right concrete wall part and the middle concrete layer form guide rail grooves.
Preferably, the guide rail block comprises a guide rail, a fastener, a mounting bolt and a filling layer, wherein the guide rail is an I-shaped steel rail, and the height of the upper surface of the guide rail is equal to or lower than that of the filling layer.
Preferably, the roadbed layer is a roadbed layer of an existing road, and the intermediate concrete layer and the paving layer above the intermediate concrete layer are factory-prefabricated integral structural members.
Preferably, the prefabricated integral structural member is installed after the roadbed layer of the existing road is grooved, adhesive is added in the groove for bonding operation, and after solidification is completed, the guide rail is installed in the guide rail groove in an aligned and reserved mode.
The above technical features may be combined with each other as long as they do not collide with each other.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
1. by modularization of the precast concrete blocks, construction can be performed rapidly, construction time is saved, pavement construction speed can reach 100 m/h, and construction efficiency is effectively ensured;
2. the roadbed and the track structure after the rapid solidification connection can recover the driving directly on the road surface without interrupting the operation, thereby reducing the influence on the existing operation, avoiding the engineering waste caused by the road waste, saving the investment and having good social and economic benefits;
3. the road operation is not interrupted, the construction speed is further improved, the reconstruction construction difficulty is reduced, and the method has great advantages.
Drawings
FIG. 1 is a schematic illustration of the process flow of the present invention;
FIG. 2 is a schematic view of an embodiment of an all concrete or asphalt and concrete type precast concrete segment of the present invention;
FIG. 3 is a structural effect diagram of an embodiment of the full concrete precast concrete segments of the present invention;
FIG. 4 is a structural view showing the effect of an embodiment of the asphalt-and-concrete type precast concrete segment of the present invention;
FIG. 5 is a schematic view of an embodiment of a lawn and concrete or cordierite and concrete type precast concrete segment of the present invention;
FIG. 6 is a structural effect diagram of an embodiment of the lawn and concrete precast concrete segments of the present invention;
FIG. 7 is a structural effect diagram of an embodiment of the inventive cordierite-to-concrete precast concrete segment;
fig. 8 is a partially enlarged schematic view of the rail groove mounting rail block of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in FIG. 1, the present invention provides a rapid construction method for transforming an existing road into a trolley line with rubber-tyred guide rails, comprising the steps of:
step S1: according to the characteristics of the existing road, a rapid construction method is provided, and the structural type and size of the precast concrete blocks are defined.
The existing road subgrade layer is stable, the prefabricated modules can be adopted for rapid pavement, and on the basis, the prefabricated concrete block rapid construction scheme is adopted according to the trolley load requirement of the rubber wheel guide rail. According to the trolley-bus load requirement of rubber tyer guide rail, to the guide rail trolley-bus size, combine guide rail trolley-bus guide rail 6 size, confirm precast concrete groove size to confirm precast concrete piece structural dimension, then process and make, wherein, guide rail groove 4 is seted up to precast concrete piece middle part top, has reserved bolt hole 7 according to guide rail 6 mounted position in this guide rail groove 4. The width of the precast concrete block is about 2500mm, the height is 200-300mm, preferably 250mm, the length is about 9m, the precast concrete block can bear standard load of not less than 100KN, and the length of the precast concrete block can be adjusted according to the transportation mode. According to the line design requirements, the precast concrete blocks are selected from different structural forms and materials and can be divided into full concrete, asphalt and concrete, lawn and concrete, and bluestone and concrete.
Step S2: the existing road surface is grooved and leveled rapidly.
The existing road subgrade layer is stable and can be grooved rapidly. After the precast concrete block is designed, the precast concrete block is manufactured by processing in advance. According to the structural size of the precast concrete blocks, the road base layer 1 of the existing road is subjected to rapid grooving operation, leveling is performed, pavement grooving is convenient and rapid, and construction time is saved.
Step S3: and (5) installing and bonding precast concrete blocks.
And (3) transporting the prefabricated concrete blocks to a construction site in a mode of an automobile and the like, loading the prefabricated concrete blocks after grooving, adding an adhesive into the grooving for bonding operation, and waiting for curing the adhesive for about 5 hours.
Step S4: and (5) installing a guide rail.
After the solidification is completed, the guide rail 6 is installed in the guide rail groove 4 in an aligned and reserved mode through the bolt holes 7. After the solidification and the installation of the guide rail are completed, the vehicle can directly travel on the road surface without interrupting the operation. The construction operation is carried out by equipment such as a paving machine, and the pavement construction speed can be estimated to be 100 m/h according to the comprehensive analysis of procedures such as lifting, placing, bonding and the like.
Step S5: and debugging the trolley line system of the rubber wheel guide rail.
Step S6: and after the debugging is qualified, the trolley is operated by the rubber wheel guide rail trolley.
For the rubber wheel guide rail trolley for the existing operation road surface transformation, such as the overhead road surface transformation, a night construction method can be adopted to rapidly pave and bond, and after a curing time of several hours, the trolley on the road surface can be recovered in daytime without interrupting the operation. As a further rapid construction scheme, the construction is carried out on the whole road section at night and is carried out in a segmented mode in the daytime, namely, the segmented construction mode in the daytime is half of the construction of the road width, the other half of the construction or one third of the construction of the road width, the other two thirds of the construction is carried out, the driving can be restored after the solidification and guide rail installation steps of the construction road section are completed, the operation is not required to be interrupted, the construction mode is flexible, the rapid and convenient, and the influence on the operation is small.
As another preferred embodiment of the present invention, as shown in fig. 2 to 8, there is also provided a roadbed structure of a rubber-tyred railway track trolley line, comprising a lower roadbed layer 1, an intermediate concrete layer 2, upper paving layers 3, 8 and a track block 5; the roadbed layer 1 is provided with a track bed groove, the middle concrete layer 2 and the paving layers 3 and 8 are accommodated in the track bed groove, and an adhesive is arranged between the middle concrete layer 2 and the roadbed layer 1. Compared with the existing pouring connection mode with long drying time, the roadbed structure is connected by adopting solidification and adhesion, and has the advantages of short solidification time, short construction period and high efficiency.
The road pavement is characterized in that guide rail grooves 4 are formed in the road pavement layers 3 and 8, the width of the guide rail grooves 4 is about 300mm, the depth of the guide rail grooves is about 80mm, bolt holes 7 are formed in the bottoms of the guide rail grooves 4, guide rail blocks 5 are installed in the guide rail grooves 4, and the height of the upper surfaces of the guide rail blocks 5 is equal to or lower than that of the upper surfaces of the road pavement layers 3 and 8, so that road pavement running is not affected. The guide rail block 5 comprises a guide rail 6, a fastener, a mounting bolt and a filling layer, wherein the guide rail 6 is an I-shaped steel rail, and the height of the upper surface of the guide rail is equal to or lower than that of the filling layer, so that road surface driving is not affected.
As shown in fig. 2-4, one way of the upper pavement layers 3, 8 is asphalt or concrete, which has a thickness of less than 80mm, in which case the rail grooves 4 penetrate into the intermediate concrete layer 2.
As shown in fig. 5 to 7, the second mode of the upper paving layers 3, 8 is a lawn or a green stone, a left concrete wall portion 21 and a right concrete wall portion 22, the left and right two parts of lawn or green stone are respectively accommodated in grooves formed by the left concrete wall portion 21 and the right concrete wall portion 22 and the intermediate concrete layer 2, and the upper surfaces of the left concrete wall portion 21, the right concrete wall portion 22 and the intermediate concrete layer 2 form the guide rail groove 4. The thickness of the lawn or the bluestone is approximately 80mm, and the width is about 560mm and is adjustable.
The roadbed layer 1 is a roadbed layer of an existing road, the middle concrete layer 2 and the paving layers 3 and 8 above the middle concrete layer are factory prefabricated integral structural members, and together form a prefabricated concrete block which can be built in a modularized mode. Installing the prefabricated integral structural member after grooving the roadbed layer of the existing road, adding adhesive into the grooving for bonding operation, and installing a guide rail 6 in the guide rail groove 4 in alignment with the reserved bolt holes 7 after solidification is completed. The roadbed structure adopts the construction method of the embodiment of the method.
The roadbed structure is simple, the roadbed and the track structure after quick solidification connection are adopted in a modularized design, the running on the road surface can be recovered directly, the operation is not required to be interrupted, the influence on the existing operation is reduced, meanwhile, the engineering waste caused by the road waste can be avoided, the investment is saved, and good social and economic benefits are achieved.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The quick construction method for transforming the existing road into the trolley line with the rubber wheel guide rail is characterized by comprising the following steps of:
step S1: according to the trolley load requirement of the rubber-tyred guide rail, the size of the precast concrete groove is determined according to the size of the guide rail trolley and the size of the guide rail trolley (6), so as to determine the structural size of the precast concrete block, and then the precast concrete block is processed and manufactured; wherein, a guide rail groove (4) is arranged above the middle part of the precast concrete block, and a bolt hole (7) is reserved in the guide rail groove (4) according to the installation position of the guide rail (6);
step S2: carrying out rapid grooving operation on the roadbed layer (1) of the existing road according to the structure size of the precast concrete blocks, and carrying out leveling;
step S3: transporting the prefabricated concrete blocks to a construction site, loading the prefabricated concrete blocks after grooving is completed, adding adhesive into the grooving for bonding operation, and waiting for curing of the adhesive;
step S4: after solidification is completed, a guide rail (6) is installed in the guide rail groove (4) in alignment with the reserved bolt hole (7);
step S5: debugging a trolley line system of the rubber wheel guide rail;
step S6: after the debugging is qualified, the trolley operation of the rubber-tyred guide rail trolley is carried out;
the modification of the existing road comprises construction of a night whole road section and construction of daytime segmentation; when the road surface is constructed at night, the road surface is paved and bonded quickly, and after the road surface is solidified for a plurality of hours, the road surface is recovered in the daytime, and the operation is not required to be interrupted;
the daytime sectional construction mode comprises half construction of the road width, the other half operation or one third construction of the road width, the other two thirds operation, and the driving can be recovered after the solidification step of the construction section is completed without interrupting the operation.
2. The rapid construction method for transforming existing roads into rubber-tyred rail trolley lines according to claim 1, wherein: in the step S1, according to the line design requirements, the precast concrete blocks are selected from different structural forms and materials, including full concrete, asphalt and concrete, lawn and concrete, and bluestone and concrete.
3. The utility model provides a rubber tyer guide rail trolley-bus circuit's roadbed structure which characterized in that: formed by the construction method according to any one of claims 1 or 2, comprising a lower road base layer (1), an intermediate concrete layer (2), an upper paving layer (3, 8) and a rail block (5); the middle concrete layer (2) is of a precast concrete block structure;
the roadbed layer (1) is a roadbed layer of an existing road, a roadbed groove is formed in the roadbed layer (1), the intermediate concrete layer (2) and the paving layers (3 and 8) are contained in the roadbed groove, and an adhesive is arranged between the intermediate concrete layer (2) and the roadbed layer (1); the middle concrete layer (2) and the paving layers (3, 8) above are factory prefabricated integral structural parts;
the road paving machine is characterized in that guide rail grooves (4) are formed in the road paving layers (3 and 8), bolt holes (7) are formed in the bottoms of the guide rail grooves (4), guide rail blocks (5) are installed in the guide rail grooves (4), and the height of the upper surfaces of the guide rail blocks (5) is equal to or lower than that of the upper surfaces of the road paving layers (3 and 8);
installing the prefabricated integral structural member after grooving the roadbed layer of the existing road, adding an adhesive into the grooving for bonding operation, and installing a guide rail (6) in the guide rail groove (4) in alignment with the reserved bolt hole (7) after curing is completed.
4. A rubber-tyred trolley line subgrade structure as claimed in claim 3, wherein: the upper paving layer (3, 8) is asphalt or concrete, and the guide rail groove (4) penetrates into the middle concrete layer (2).
5. A rubber-tyred trolley line subgrade structure as claimed in claim 3, wherein: the upper paving layers (3, 8) comprise lawns or blues, a left concrete wall part (21) and a right concrete wall part (22), wherein the lawns or blues of the left and right parts are respectively accommodated in grooves formed by the left concrete wall part (21), the right concrete wall part (22) and the middle concrete layer (2), and the upper surfaces of the left concrete wall part (21), the right concrete wall part (22) and the middle concrete layer (2) form a guide rail groove (4).
6. A rubber-tyred trolley line subgrade structure as claimed in any one of claims 3 to 5, wherein: the guide rail block (5) comprises a guide rail (6), a fastener, a mounting bolt and a filling layer, wherein the guide rail (6) is an I-shaped steel rail, and the height of the upper surface of the guide rail is equal to or lower than that of the filling layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810321386.4A CN108374295B (en) | 2018-04-11 | 2018-04-11 | Quick construction method of rubber-tyred guide rail trolley line and roadbed structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810321386.4A CN108374295B (en) | 2018-04-11 | 2018-04-11 | Quick construction method of rubber-tyred guide rail trolley line and roadbed structure |
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| CN108374295B true CN108374295B (en) | 2024-02-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108842529A (en) * | 2018-08-28 | 2018-11-20 | 上海市城市建设设计研究总院（集团）有限公司 | The rapid splicing structure in streetcar track basis and construction method |
| CN110258202B (en) * | 2019-06-27 | 2021-10-26 | 金胜虎 | Iron wheel mechanism for rail road, relevant integrated guide rail and bearing automobile |
| CN113981771A (en) * | 2021-09-27 | 2022-01-28 | 中国建筑设计研究院有限公司 | Construction method of plastic track |
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