CN210238175U

CN210238175U - Road bed for municipal road engineering design

Info

Publication number: CN210238175U
Application number: CN201920948026.7U
Authority: CN
Inventors: Bo Yao; 姚博; Rui Luo; 罗睿; Rui Hu; 胡锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-03
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a road bed for municipal road engineering design, including cement road surface and roadbed layer, the cement road surface is installed on the upper end outer wall of roadbed layer, be provided with the yellow dotted line on the cement road surface upper end outer wall, be provided with the base on the cement road surface of yellow dotted line left and right sides, be provided with the guardrail on the outer wall of base upper end, be provided with the triangle heap on the outer wall of both ends of roadbed layer left and right sides, be provided with the waterproof layer on the roadbed layer, the waterproof layer sets up on the lower extreme outer wall of cement road surface, be provided with concrete layer on the lower extreme outer wall of upper waterproof layer, pour concrete to the centre again, then add one deck silk screen, after repeating these several processes and accomplishing, cover the waterproof layer on the silk screen of the top, use the cement to cover on the waterproof layer, the road bed that accomplishes like this, not only can protect the damage of rainwater on the ground and groundwater to roadbed, and can also play a certain role in protecting the road surface from sinking.

Description

Road bed for municipal road engineering design

Technical Field

The utility model belongs to the technical field of the road bed is relevant, concretely relates to road bed for municipal road engineering design.

Background

The roadbed is a foundation of a track or a road surface and is an earth structure formed by excavation or filling. The roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of track and locomotive vehicle or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation. On the longitudinal section, the roadbed must ensure the required elevation of the line; on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line. In civil engineering, the subgrade occupies an important position in the aspects of construction quantity, floor area and investment.

The existing roadbed technology has the following problems: at present, most of the roadbeds used for engineering are used for laying a foundation for a road by removing a silt layer on the ground and then paving on the basis of hard soil, and the paving method can act on the foundation of the road but has no waterproof function and has the foundation that water permeates into the road on the road surface.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road bed for municipal road engineering design to the road bed that proposes in solving above-mentioned background art does not have waterproof function problem.

In order to achieve the above object, the utility model provides a following technical scheme: a roadbed for municipal road engineering design comprises a cement pavement and a roadbed layer, wherein the cement pavement is installed on the outer wall of the upper end of the roadbed layer, a yellow dotted line is arranged on the outer wall of the upper end of the cement pavement, bases are arranged on the cement pavements on the left side and the right side of the yellow dotted line, guardrails are arranged on the outer wall of the upper end of the bases, triangular piles are arranged on the outer walls of the left end and the right end of the roadbed layer, an upper waterproof layer is arranged on the roadbed layer, the upper waterproof layer is arranged on the outer wall of the lower end of the cement pavement, a concrete layer is arranged on the outer wall of the lower end of the upper waterproof layer, a lower waterproof layer is arranged on the outer wall of the lower end of the concrete layer, a rock layer is arranged on the outer wall of the lower end of the rock layer, a waterproof plate a is, the waterproof board comprises a waterproof board a and is characterized in that a waterproof board b is arranged on the opposite inner wall of the waterproof board a, transverse reinforcing steel bars are arranged on the opposite inner wall of the waterproof board b, vertical reinforcing steel bars are arranged on the outer wall of the circumference of the transverse reinforcing steel bars, the lowest ends of the vertical reinforcing steel bars are arranged on the outer wall of the upper end of a lower waterproof layer, and a wire mesh is arranged on the outer wall of the upper end of each.

Preferably, the height of the roadbed layer is greater than that of the cement pavement, and the height of the triangular pile is the same as that of the roadbed layer.

Preferably, the upper waterproof layer and the lower waterproof layer are the same in shape and size, and the height of the concrete layer is larger than that of the lower waterproof layer and that of the upper waterproof layer.

Preferably, the height of the upper waterproof layer is larger than that of the cement pavement, and the height of the gravel layer is larger than that of the lower waterproof layer.

Preferably, the diameter of the transverse steel bar is the same as that of the vertical steel bar, and the length of the transverse steel bar is greater than that of the vertical steel bar.

Preferably, the cross-sectional shapes of the mesh and the concrete layer are the same, the width of the mesh is smaller than that of the concrete layer, and the width of the mesh is the same as that of the waterproof board b.

Compared with the prior art, the utility model provides a road bed for town road engineering design possesses following beneficial effect:

the utility model discloses installed the road bed layer at the lower extreme on cement road surface, and the left and right ends of road bed layer have set up the triangle heap, make like this that there is heavy vehicle to go on cement road surface, lead to the road surface to sink, will make the road bed layer sink to both sides, and the triangle heap can have certain guard action to such road surface, there is concrete layer on road bed layer, concrete layer's upper and lower both sides have upper waterproof layer and lower waterproof layer respectively, upper waterproof layer can prevent the destruction of rainwater to concrete layer on the cement road surface, lower waterproof layer prevents the destruction of groundwater to concrete layer, horizontal reinforcing bar and vertical reinforcing bar have been installed on the concrete layer, pour concrete between horizontal reinforcing bar and vertical reinforcing bar, install the silk screen on the vertical reinforcing bar again, can protect the cement road surface like this, prevent the condition of sinking;

before the road surface of the city is constructed, the roadbed construction is firstly completed, and a rock gravel layer is laid on the rock gravel layer under the ground, so that the collapse of the cement road surface is buffered to a certain extent, laying a lower waterproof layer on the crushed stone layer, pouring a concrete layer on the lower waterproof layer, firstly installing the transverse steel bars on the waterproof board b, then installing the vertical steel bars on the lower waterproof layer, pouring concrete in the middle, after complete molding, adding a wire mesh on the steel wire net, installing transverse steel bars and vertical steel bars on the wire mesh, pouring concrete in the middle, adding a layer of wire mesh, repeating the steps, the waterproof layer is paved on the silk screen at the uppermost side, and the waterproof layer is paved with cement, so that the finished roadbed can not only protect the damage of rainwater on the ground and underground water to the roadbed, but also can protect the road surface from sinking effectively.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a three-dimensional structure of a roadbed for municipal road engineering design according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a roadbed provided by the utility model;

fig. 3 is a schematic view of a concrete layer plane structure provided by the present invention;

fig. 4 is a schematic view of a concrete layer top plan structure provided by the present invention;

in the figure: 1. cement road surface; 2. a yellow dotted line; 3. a guardrail; 4. triangular piles; 5. a base; 6. a roadbed layer; 7. a lower waterproof layer; 8. a rock layer; 9. a waterproof layer is arranged; 10. a concrete layer; 11. a crushed stone layer; 12. vertical reinforcing steel bars; 13. transverse reinforcing steel bars; 14. a waterproof sheet a; 15. a wire mesh; 16. a waterproof sheet b.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a roadbed for municipal road engineering design comprises a cement pavement 1 and a roadbed layer 6, wherein the height of the roadbed layer 6 is greater than that of the cement pavement 1, the height of a triangular pile 4 is equal to that of the roadbed layer 6, the roadbed layer 6 has the function of stabilizing the cement pavement 1 to prevent the cement pavement 1 from collapsing, the triangular pile 4 prevents the roadbed layer 6 from collapsing towards two sides, the cement pavement 1 is arranged on the outer wall of the upper end of the roadbed layer 6, the outer wall of the upper end of the cement pavement 1 is provided with a yellow dotted line 2, the cement pavements 1 on the left side and the right side of the yellow dotted line 2 are respectively provided with a base 5, the outer wall of the upper end of the base 5 is provided with a guardrail 3, the outer walls of the left end and the right end of the roadbed layer 6 are provided with the triangular pile 4, the roadbed layer 6 is provided with an upper waterproof layer 9, the upper waterproof layer, waterproof layer 7 is provided with down on the outer wall of 10 lower extremes on concrete layer, be provided with rubble layer 11 on the 7 lower extremes of lower waterproof layer outer wall, be provided with rubble layer 8 on the 11 lower extremes of rubble layer outer wall, be provided with waterproof board an 14 on concrete layer 10, waterproof board an 14 sets up on waterproof layer 7's under the upper end outer wall, be provided with waterproof board b16 on the waterproof board a14 subtend inner wall, be provided with horizontal reinforcing bar 13 on the waterproof board b16 subtend inner wall, be provided with vertical reinforcing bar 12 on the 13 circumference outer walls of horizontal reinforcing bar, vertical reinforcing bar 12 sets up on waterproof layer 7's upper end outer wall down, be provided with silk screen 15 on the 12.

A roadbed for municipal road engineering design comprises a cement pavement 1 and a roadbed layer 6, wherein the shapes and sizes of an upper waterproof layer 9 and a lower waterproof layer 7 are the same, the height of a concrete layer 10 is larger than that of the lower waterproof layer 7 and the upper waterproof layer 9, the upper waterproof layer 9 can prevent rainwater on the cement pavement 1 from damaging the concrete layer 10, the lower waterproof layer 7 prevents underground water from damaging the concrete layer 10, the height of the upper waterproof layer 9 is larger than that of the cement pavement 1, the height of a gravel layer 11 is larger than that of the lower waterproof layer 7, the upper waterproof layer 9 can prevent rainwater on the cement pavement 1 from damaging the concrete layer 10, the gravel layer 11 plays a certain anti-collapse role on the lower waterproof layer 7 and the concrete layer 10, the diameter of a transverse steel bar 13 is the same as that of a vertical steel bar 12, the length of the transverse steel bar 13 is larger than that of the vertical steel bar 12, and the transverse steel bar 13 and the vertical, transverse reinforcement 13 and vertical reinforcement 12 bind, are pouring the concrete wherein, make cement road surface 1 more firm like this, the cross sectional shape of silk screen 15 and concrete layer 10 is the same, the width of silk screen 15 is less than the width of concrete layer 10, the width of silk screen 15 is the same with the width of waterproof board b16, installed silk screen 15 additional in concrete layer 10, can make cement road surface 1 can not totally collapse like this, can have certain guard action to cement road surface 1.

The utility model discloses a theory of operation and use flow: after the utility model is installed, a road base layer 6 is installed at the lower end of a cement road surface 1, triangular piles 4 are arranged at the left and right ends of the road base layer 6, thus a heavy vehicle runs on the cement road surface 1 to cause the road surface to sink, the road base layer 6 can be caused to sink towards two sides, the triangular piles 4 can protect the road surface to a certain extent, a concrete layer 10 is arranged on the road base layer 6, an upper waterproof layer 9 and a lower waterproof layer 7 are respectively arranged at the upper side and the lower side of the concrete layer 10, the upper waterproof layer 9 can prevent rainwater on the cement road surface 1 from damaging the concrete layer 10, the lower waterproof layer 7 can prevent groundwater from damaging the concrete layer 10, transverse reinforcing steel bars 13 and vertical reinforcing steel bars 12 are installed on the concrete layer 10, concrete is poured between the transverse reinforcing steel bars 13 and the vertical reinforcing steel bars 12, a silk screen 15 is additionally installed on the vertical reinforcing steel bars 12, thus the cement road, the collapse prevention condition is realized, before the urban road surface is constructed, the roadbed construction is finished, a gravel layer 11 is paved on a rock layer 8 under the ground, so that the collapse condition of the cement road surface 1 is buffered to a certain extent, a lower waterproof layer 7 is paved on the gravel layer 11, a concrete layer 10 is poured on the lower waterproof layer 7, transverse reinforcing steel bars 13 are installed on a waterproof board b16, vertical reinforcing steel bars 12 are installed on the lower waterproof layer 7, the middle of the vertical reinforcing steel bars are poured by concrete, after the concrete is completely formed, a wire mesh 15 is additionally installed on the lower waterproof layer, transverse reinforcing steel bars 13 and vertical reinforcing steel bars 12 are installed on the wire mesh 15, then concrete is poured in the middle of the wire mesh 15, a layer of wire mesh 15 is additionally installed, after the processes are repeated for several times, the waterproof layer 9 is paved on the uppermost wire mesh 15, the upper waterproof layer 9 is paved by cement, so that the finished roadbed can not only protect the damage of rainwater on the ground and the water under the road bed 6, and can also protect the road surface from sinking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road bed for municipal road engineering design, includes cement road surface (1) and roadbed layer (6), its characterized in that: the cement pavement (1) is installed on the outer wall of the upper end of a road base layer (6), a yellow dotted line (2) is arranged on the outer wall of the upper end of the cement pavement (1), bases (5) are arranged on the cement pavements (1) on the left side and the right side of the yellow dotted line (2), guardrails (3) are arranged on the outer wall of the upper end of each base (5), triangular piles (4) are arranged on the outer walls of the left end and the right end of the road base layer (6), an upper waterproof layer (9) is arranged on the road base layer (6), the upper waterproof layer (9) is arranged on the outer wall of the lower end of the cement pavement (1), a concrete layer (10) is arranged on the outer wall of the lower end of the upper waterproof layer (9), a lower waterproof layer (7) is arranged on the outer wall of the lower end of the concrete layer (10), a gravel layer (11) is arranged on the outer, be provided with waterproof board a (14) on concrete layer (10), waterproof board a (14) set up on the upper end outer wall of waterproof layer (7) down, be provided with waterproof board b (16) on waterproof board a (14) subtend inner wall, be provided with horizontal reinforcing bar (13) on waterproof board b (16) subtend inner wall, be provided with vertical reinforcing bar (12) on horizontal reinforcing bar (13) circumference outer wall, vertical reinforcing bar (12) lower extreme setting is on the upper end outer wall of waterproof layer (7) down, be provided with silk screen (15) on vertical reinforcing bar (12) upper end outer wall.

2. The roadbed for municipal road engineering design according to claim 1, wherein the roadbed comprises: the height of the road base layer (6) is greater than that of the cement pavement (1), and the height of the triangular pile (4) is the same as that of the road base layer (6).

3. The roadbed for municipal road engineering design according to claim 1, wherein the roadbed comprises: the shape and size of the upper waterproof layer (9) and the lower waterproof layer (7) are the same, and the height of the concrete layer (10) is larger than that of the lower waterproof layer (7) and the upper waterproof layer (9).

4. The roadbed for municipal road engineering design according to claim 1, wherein the roadbed comprises: the height of the upper waterproof layer (9) is larger than that of the cement pavement (1), and the height of the gravel layer (11) is larger than that of the lower waterproof layer (7).

5. The roadbed for municipal road engineering design according to claim 1, wherein the roadbed comprises: the diameter of the transverse steel bar (13) is the same as that of the vertical steel bar (12), and the length of the transverse steel bar (13) is larger than that of the vertical steel bar (12).

6. The roadbed for municipal road engineering design according to claim 1, wherein the roadbed comprises: the cross-sectional shapes of the silk screen (15) and the concrete layer (10) are the same, the width of the silk screen (15) is smaller than that of the concrete layer (10), and the width of the silk screen (15) is the same as that of the waterproof board b (16).