CN112064443A - Structure for connecting asphalt pavement at tramcar level crossing with steel rail and construction method - Google Patents
Structure for connecting asphalt pavement at tramcar level crossing with steel rail and construction method Download PDFInfo
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- CN112064443A CN112064443A CN202010997016.XA CN202010997016A CN112064443A CN 112064443 A CN112064443 A CN 112064443A CN 202010997016 A CN202010997016 A CN 202010997016A CN 112064443 A CN112064443 A CN 112064443A
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- reinforced concrete
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- asphalt pavement
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- 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
- E01C9/06—Pavings adjacent tramways rails ; Pavings comprising railway tracks
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- 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
- E01C11/00—Details of pavings
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a structure for connecting an asphalt pavement at a tramcar level crossing with a steel rail, which is characterized in that: the steel rail damping material comprises a steel rail (1), a rubber damping material (2), a reinforced concrete base layer (3), a secondary pouring reinforced concrete base layer (3 '), an L-shaped reinforced concrete pavement (4), an asphalt pavement transition section (5), an asphalt pavement (5') and a waterproof isolation material (6); unique structures are respectively constructed on the outer side and the inner side of the steel rail (1), so that the impact of the tramcar steel rail on the asphalt pavement in the range of the intersection can be effectively reduced, the edge constraint of the pavement is improved, and the influence of complex traffic at the intersection on the asphalt pavement is prevented; a part of space is reserved between the steel rail and the asphalt pavement, so that the construction and rolling are convenient, and the compactness of the edge part of the asphalt pavement is ensured.
Description
Technical Field
The invention belongs to the field of urban novel rail transit, and particularly relates to a structure for connecting an asphalt pavement at a tramcar flat crossing with a steel rail and a construction method.
Background
In recent years, modern tramcars are more and more popular in big and middle cities in China due to the advantages of relatively low construction cost, safe operation, good comfort, strong transportation capability, low energy consumption, no pollution and the like, and become a new method for solving urban traffic problems.
However, at the level crossing of the tramcar and the municipal road, the asphalt pavements on two sides of the tramcar track often crack and fall off, which brings great influence on driving safety and road service life.
Disclosure of Invention
In response to at least one of the above-identified deficiencies in the art or needs for improvement, the present invention contemplates eliminating the effects of fatigue life on pavement cracking and separation at the joint, can be started from the aspects of reducing the vibration of the track, improving the boundary constraint of the asphalt pavement, facilitating the construction and improving the construction quality, the invention provides a structure for connecting an asphalt pavement at a tramcar crossing with a steel rail and a construction method thereof, wherein rubber shock absorption is arranged at the joint and reinforced concrete boundary is used for enhancing the restraint of the asphalt pavement, in the level crossing road section with complex traffic conditions and shared right of way by tramcars and municipal traffic, the rubber damping material is used to reduce the impact of the steel rail on the asphalt pavement, meanwhile, reinforced concrete materials are used as transition sections of the steel rails and the asphalt pavement to improve boundary constraint of the asphalt pavement and facilitate construction and rolling, and finally waterproof materials are used for blocking and preventing water, so that the cracking and falling phenomena of the asphalt pavement at the joint are reduced.
In order to achieve the above object, according to one aspect of the present invention, there is provided a structure for connecting a bituminous pavement and a steel rail at a tramcar level crossing, comprising: the steel rail damping material comprises a steel rail, a rubber damping material, a reinforced concrete base layer, a secondary pouring reinforced concrete base layer, a reinforced concrete pavement, an asphalt pavement transition section, an asphalt pavement and a waterproof isolation material;
on the outside of the rail:
the reinforced concrete base layer is arranged below the steel rail, the steel rail outer side and the reinforced concrete base layer are arranged above the reinforced concrete pavement, the section of the reinforced concrete pavement is L-shaped and consists of a vertical part of the reinforced concrete pavement and a horizontal part of the reinforced concrete pavement far away from the steel rail, a space enclosed by the rail bottom, the rail waist outer side, the rail head and the side surface of the vertical part of the reinforced concrete pavement is arranged above the rail bottom, the rail waist outer side, the rail head and the side surface of the vertical part of the reinforced concrete pavement, the asphalt pavement transition section is arranged above the horizontal part of the reinforced concrete pavement and outside the vertical part of the reinforced concrete pavement, the waterproof isolating material is arranged in the space among the rail head, the vertical part of the reinforced concrete pavement and the rubber damping material of the steel rail, the rail head, the waterproof isolating material, The vertical part of the reinforced concrete pavement and the top surface of the transition section of the asphalt pavement are flush;
on the inner side of the rail:
the reinforced concrete base layer is arranged below the steel rail, the secondary poured reinforced concrete base layer is arranged on the inner side of the steel rail and the upper side of the reinforced concrete base layer, the asphalt pavement is arranged on the secondary poured reinforced concrete base layer, the rubber damping material is arranged in a space enclosed by the secondary poured reinforced concrete base layer and the side surface of the asphalt pavement, the waterproof isolating material is arranged in a space among the rail head of the steel rail, the asphalt pavement and the rubber damping material, and the rail head of the steel rail, the waterproof isolating material and the top surface of the asphalt pavement are flush.
Preferably, the first and second electrodes are formed of a metal,
the steel rail is an I-shaped steel rail.
Preferably, the first and second electrodes are formed of a metal,
the steel rail is a 50kg/m I-shaped steel rail.
Preferably, the first and second electrodes are formed of a metal,
the steel rail is a tramcar groove rail.
Preferably, the first and second electrodes are formed of a metal,
the steel rail is a tramcar 60R2 groove-shaped rail.
Preferably, the first and second electrodes are formed of a metal,
the rubber damping material is connected with the steel rail in a sticking way.
Preferably, the first and second electrodes are formed of a metal,
and asphalt bond coat oil is arranged between the vertical part of the reinforced concrete pavement and the transition section of the asphalt pavement.
In order to achieve the above object, according to another aspect of the present invention, there is provided a method for constructing a structure for connecting a bituminous pavement and a steel rail at a tramcar level crossing, comprising the steps of:
s1, completing the installation of the template and the fixing system of the tramcar steel rail;
s2, adhering rubber damping materials on the inner side and the outer side of the steel rail;
s3, pouring a reinforced concrete base layer below the two steel rails until the reinforced concrete base layer reaches a preset strength;
s4, pouring the reinforced concrete pavement into an L shape on the outer sides of the two steel rails above the concrete secondary pouring boundary of the reinforced concrete base layer; pouring the secondary poured reinforced concrete base layer into a flat layer on the inner side between the two steel rails;
s5, reserving spaces of waterproof isolation materials on two sides of the rail head of the steel rail by using a mold;
s6, paving an asphalt pavement transition section on the horizontal part of the reinforced concrete pavement on the outer sides of the two steel rails; paving an asphalt pavement on the secondary poured reinforced concrete base layer on the inner side between the two steel rails;
s7, rolling the transition section of the asphalt pavement on the outer side and the asphalt pavement on the inner side;
s8, removing the moulds on the two sides of the rail head of the steel rail, and pouring a waterproof isolation material.
Preferably, the first and second electrodes are formed of a metal,
in S5, the width of the molds on both sides of the rail head is required to prevent the inside asphalt pavement in S6 and S7 from appearing above the rubber damping material.
Preferably, the first and second electrodes are formed of a metal,
in S6, before paving the transition section of the asphalt pavement, the asphalt adhesive layer oil is sprayed on the outer side of the vertical part of the reinforced concrete pavement.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
1. the structure and the construction method for connecting the asphalt pavement and the steel rail at the tramcar level crossing can effectively reduce the impact of the tramcar steel rail on the asphalt pavement within the level crossing range, improve the edge constraint of the pavement and prevent the influence of complex traffic at the level crossing on the asphalt pavement.
2. The structure for connecting the asphalt pavement at the tramcar level crossing with the steel rail and the construction method reserve a part of space between the steel rail and the asphalt pavement, facilitate construction and rolling and ensure the compactness of the edge part of the asphalt pavement.
3. The structure and the construction method for connecting the asphalt pavement and the steel rail at the tramcar level crossing can effectively reduce the phenomenon that the joint of the asphalt pavement and the rail transit cracks and falls seriously. The design structure effectively overcomes the problems of weak boundary constraint, strong vibration impact of the track and insufficient construction compaction from the reason of the defect of the joint.
4. By adopting the design structure with the shock absorption and the reinforcement at the joint, the cracking and falling phenomena at the joint can be effectively reduced, the driving safety and the comfort are well guaranteed, the repeated maintenance cost of the road is reduced, the waste of manpower and material resources is avoided, and the indirect social and economic benefits are brought.
5. In the range of the intersection between the tramcar track and the municipal road surface, the shock absorption strengthening measure of the joint provided by the invention has wide popularization and application prospect.
Drawings
FIG. 1 is a schematic view of a structure of a connection part between an asphalt pavement at a flat crossing and an outer side of a steel rail in a structure of connection between the asphalt pavement at the flat crossing and the steel rail of the tramcar according to an embodiment of the invention;
fig. 2 is a schematic diagram of a structure of a connection part between an asphalt pavement at a flat crossing and an inner side of a steel rail in the structure of the connection between the asphalt pavement at the flat crossing and the steel rail of the tramcar according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in FIGS. 1-2, the present invention provides a method for manufacturing a semiconductor device
A structure for connecting an asphalt pavement and a steel rail at a tramcar level crossing comprises the steel rail 1, a rubber damping material 2, a reinforced concrete base layer 3, a secondary pouring reinforced concrete base layer 3 ', a reinforced concrete pavement 4, an asphalt pavement transition section 5, an asphalt pavement 5' and a waterproof isolation material 6.
As shown in fig. 1, on the outside of the rail 1:
the reinforced concrete base layer 3 is arranged below the steel rail 1, the reinforced concrete pavement 4 is arranged on the outer side of the steel rail 1 and the upper side of the reinforced concrete base layer 3, the cross section of the reinforced concrete pavement 4 is L-shaped and consists of a reinforced concrete pavement vertical part 41 and a reinforced concrete pavement horizontal part 42 far away from the steel rail 1, the rubber damping material 2 is arranged in a space enclosed by the rail bottom, the rail waist and the rail head of the steel rail 1, the lower part of the rail head and the side surface of the reinforced concrete pavement vertical part 41, the asphalt pavement transition section 5 is arranged on the reinforced concrete pavement horizontal part 42 and the outer side of the reinforced concrete pavement vertical part 41, the waterproof isolating material 6 is arranged in a space among the rail head of the steel rail 1, the reinforced concrete pavement vertical part 41 and the rubber damping material 2, the railhead of the steel rail 1, the waterproof isolating material 6, the vertical part 41 of the reinforced concrete pavement and the top surface of the transition section 5 of the asphalt pavement are flush.
As shown in fig. 2, inside the rail 1:
the reinforced concrete base layer 3 is arranged below the steel rail 1, the secondary poured reinforced concrete base layer 3 ' is arranged on the inner side of the steel rail 1 and above the reinforced concrete base layer 3, the asphalt pavement 5 ' is arranged on the secondary poured reinforced concrete base layer 3 ', the rubber damping material 2 is arranged in a space defined by the space above the rail bottom, the inner side of the rail web, the space below the rail head of the steel rail 1 and the side surfaces of the secondary poured reinforced concrete base layer 3 ' and the asphalt pavement 5 ', the waterproof isolating material 6 is arranged in a space between the rail head of the steel rail 1, the asphalt pavement 5 ' and the rubber damping material 2, and the rail head of the steel rail 1, the waterproof isolating material 6 and the top surface of the asphalt pavement 5 ' are flush.
Preferably, the rail 1 is an i-shaped rail, in particular a 50kg/m i-shaped rail.
Alternatively, the rail 1 is a tram trough rail, in particular a 60R2 trough rail.
Preferably, the rubber damping material 2 is connected with the steel rail 1 in a sticking way.
Preferably, asphalt viscous layer oil 7 is sprayed between the vertical part 41 of the reinforced concrete pavement and the transition section 5 of the asphalt pavement.
In order to achieve the above object, according to another aspect of the present invention, there is provided a method for constructing a structure for connecting a bituminous pavement and a steel rail at a tramcar level crossing, comprising the steps of:
s1, completing the installation of the template and the fixing system of the tramcar rail 1 according to the conventional design;
s2, adhering rubber damping materials 2 on the inner side and the outer side of the steel rail 1;
s3, pouring a reinforced concrete base layer 3 below the two steel rails until the reinforced concrete base layer reaches a preset strength;
s4, pouring the reinforced concrete pavement 4 into an L shape on the outer sides of the two steel rails 1 above the concrete secondary pouring boundary 8 of the reinforced concrete base layer 3; pouring a secondary poured reinforced concrete base layer 3' into a flat layer at the inner side between the two steel rails 1;
s5, reserving spaces of waterproof isolating materials 6 on two sides of the rail head of the steel rail by using a mold;
s6, paving an asphalt pavement transition section 5 on the horizontal part 42 of the reinforced concrete pavement on the outer sides of the two steel rails 1; paving an asphalt pavement 5 'on the secondary poured reinforced concrete base layer 3' on the inner side between the two steel rails 1;
s7, rolling the transition section 5 of the asphalt pavement on the outer side and the asphalt pavement 5' on the inner side;
s8, removing the moulds on the two sides of the rail head of the steel rail, and pouring the waterproof isolating material 6.
Preferably, in S5, the width of the waterproof insulating material 6 is reserved sufficiently, and the width of the molds on both sides of the rail head is required to prevent the inside asphalt pavement 5' in S6 and S7 from appearing above the rubber damping material 2, and to avoid causing cracking damage to the asphalt pavement material.
Preferably, in S6, before the asphalt pavement transition section 5 is paved, the asphalt mastic oil 7 is sprayed on the outer side of the vertical portion 41 of the reinforced concrete pavement.
Preferably, in S4, the widths of the asphalt pavement transition section 5 and the horizontal portion 42 of the reinforced concrete pavement are selected to ensure sufficient rigidity and bearing capacity.
In summary, compared with the prior art, the scheme of the invention has the following significant advantages:
1. the structure and the construction method for connecting the asphalt pavement and the steel rail at the tramcar level crossing can effectively reduce the impact of the tramcar steel rail on the asphalt pavement within the level crossing range, improve the edge constraint of the pavement and prevent the influence of complex traffic at the level crossing on the asphalt pavement.
2. The structure for connecting the asphalt pavement at the tramcar level crossing with the steel rail and the construction method reserve a part of space between the steel rail and the asphalt pavement, facilitate construction and rolling and ensure the compactness of the edge part of the asphalt pavement.
3. The structure and the construction method for connecting the asphalt pavement and the steel rail at the tramcar level crossing can effectively reduce the phenomenon that the joint of the asphalt pavement and the rail transit cracks and falls seriously. The design structure effectively overcomes the problems of weak boundary constraint, strong vibration impact of the track and insufficient construction compaction from the reason of the defect of the joint.
4. By adopting the design structure with the shock absorption and the reinforcement at the joint, the cracking and falling phenomena at the joint can be effectively reduced, the driving safety and the comfort are well guaranteed, the repeated maintenance cost of the road is reduced, the waste of manpower and material resources is avoided, and the indirect social and economic benefits are brought.
5. In the range of the intersection between the tramcar track and the municipal road surface, the shock absorption strengthening measure of the joint provided by the invention has wide popularization and application prospect.
It will be appreciated that the embodiments of the system described above are merely illustrative, in that elements illustrated as separate components may or may not be physically separate, may be located in one place, or may be distributed over different network elements. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
In addition, it should be understood by those skilled in the art that in the specification of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the embodiments of the invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects.
However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed embodiments of the invention require more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of an embodiment of this invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a structure that tram level crossing department bituminous paving and rail are connected which characterized in that: the steel rail damping material comprises steel rails (1), rubber damping materials (2), a reinforced concrete base layer (3), a secondary pouring reinforced concrete base layer (3 '), a reinforced concrete pavement (4), an asphalt pavement transition section (5), an asphalt pavement (5') and waterproof isolation materials (6);
on the outside of the rail (1):
the reinforced concrete pavement is characterized in that the reinforced concrete base layer (3) is arranged below the steel rail (1), the reinforced concrete pavement (4) is arranged on the outer side of the steel rail (1) and above the reinforced concrete base layer (3), the cross section of the reinforced concrete pavement (4) is L-shaped, the reinforced concrete pavement comprises a vertical part (41) of the reinforced concrete pavement and a horizontal part (42) of the reinforced concrete pavement far away from the steel rail (1), a space enclosed by the rail bottom, the outer side of the rail waist, the lower part of a rail head of the steel rail (1) and the side surface of the vertical part (41) of the reinforced concrete pavement is provided with the rubber damping material (2), the asphalt pavement transition section (5) is arranged on the horizontal part (42) of the reinforced concrete pavement and on the outer side of the vertical part (41) of the reinforced concrete pavement, and the rail head of the steel rail (1), the vertical part (41) of the reinforced concrete pavement and the side surface of the, The waterproof isolating material (6) is arranged in the space between the rubber damping materials (2), and the rail head of the steel rail (1), the waterproof isolating material (6), the vertical part (41) of the reinforced concrete pavement and the top surface of the transition section (5) of the asphalt pavement are flush;
on the inside of the rail (1):
the reinforced concrete base layer (3) is arranged below the steel rail (1), the reinforced concrete base layer (3') is poured for the second time on the inner side of the steel rail (1) and above the reinforced concrete base layer (3), the asphalt pavement (5 ') is arranged on the secondary pouring reinforced concrete base layer (3'), the rubber damping material (2) is arranged in a space enclosed by the space above the rail bottom, the inner side of the rail web, the space below the rail head of the steel rail (1) and the side surfaces of the secondary pouring reinforced concrete base layer (3 ') and the asphalt pavement (5'), the waterproof isolating material (6) is arranged in the space among the railhead of the steel rail (1), the asphalt pavement (5') and the rubber damping material (2), the railhead of the steel rail (1), the waterproof isolating material (6) and the top surface of the asphalt pavement (5') are flush.
2. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
the steel rail (1) is an I-shaped steel rail.
3. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
the steel rail (1) is a 50kg/m I-shaped steel rail.
4. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
the steel rail (1) is a tramcar groove rail.
5. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
the steel rail (1) is a tramcar 60R2 groove-shaped rail.
6. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
the rubber damping material (2) is connected with the steel rail (1) in a sticking way.
7. The structure for connecting the asphalt pavement at the tram level crossing with the steel rail as claimed in claim 1, characterized in that:
and asphalt viscous layer oil (7) is arranged between the vertical part (41) of the reinforced concrete pavement and the asphalt pavement transition section (5).
8. A construction method of a structure for connecting an asphalt pavement at a tramcar level crossing with a steel rail according to any one of claims 1-7, characterized by comprising the following steps:
s1, completing the installation of the template and the fixing system of the tramcar rail (1);
s2, adhering rubber damping materials (2) on the inner side and the outer side of the steel rail (1);
s3, pouring a reinforced concrete base layer (3) below the two steel rails until the base layer reaches a preset strength;
s4, pouring the reinforced concrete pavement (4) into an L shape on the outer sides of the two steel rails (1) above the concrete secondary pouring boundary (8) of the reinforced concrete base layer (3); casting the secondary casting reinforced concrete base layer (3') into a flat layer at the inner side between the two steel rails (1);
s5, reserving spaces of waterproof isolation materials (6) on two sides of the rail head of the steel rail by using a mold;
s6, paving an asphalt pavement transition section (5) on the horizontal part (42) of the reinforced concrete pavement on the outer sides of the two steel rails (1); paving an asphalt pavement (5 ') on the secondary poured reinforced concrete base layer (3') on the inner side between the two steel rails (1);
s7, rolling the transition section (5) of the asphalt pavement on the outer side and the asphalt pavement (5') on the inner side;
s8, removing the moulds on the two sides of the rail head of the steel rail, and pouring a waterproof isolation material (6).
9. The construction method of the structure for connecting the asphalt pavement at the tramcar level crossing with the steel rail as claimed in claim 8, characterized in that:
in S5, the width of the molds on both sides of the rail head is required to prevent the inside asphalt pavement (5') in S6 and S7 from appearing above the rubber damping material (2).
10. The construction method of the structure for connecting the asphalt pavement at the tramcar level crossing with the steel rail as claimed in claim 8, characterized in that:
in S6, before paving the transition section (5) of the asphalt pavement, the asphalt bond coat oil (7) is sprayed on the outer side of the vertical part (41) of the reinforced concrete pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997016.XA CN112064443A (en) | 2020-09-21 | 2020-09-21 | Structure for connecting asphalt pavement at tramcar level crossing with steel rail and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997016.XA CN112064443A (en) | 2020-09-21 | 2020-09-21 | Structure for connecting asphalt pavement at tramcar level crossing with steel rail and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN112064443A true CN112064443A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010997016.XA Pending CN112064443A (en) | 2020-09-21 | 2020-09-21 | Structure for connecting asphalt pavement at tramcar level crossing with steel rail and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561837A (en) * | 2022-03-02 | 2022-05-31 | 上海市城市建设设计研究总院（集团）有限公司 | Pouring method taking semi-flexible asphalt concrete as track lapping material |
-
2020
- 2020-09-21 CN CN202010997016.XA patent/CN112064443A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561837A (en) * | 2022-03-02 | 2022-05-31 | 上海市城市建设设计研究总院（集团）有限公司 | Pouring method taking semi-flexible asphalt concrete as track lapping material |
| CN114561837B (en) * | 2022-03-02 | 2023-09-05 | 上海市城市建设设计研究总院（集团）有限公司 | Pouring method with semi-flexible asphalt concrete as track lap joint material |
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