Road structure

Abstract

The utility model discloses a road structure which comprises a macadam subbase layer, a cement lower base layer, a cement upper base layer, a permeable oil layer and a surface layer structure which are sequentially connected from bottom to top, a first inclined part is arranged on the side portion of the macadam subbase layer, and a second inclined part is arranged on the side portion of the permeable oil layer. A second inclined part is arranged on the side portion of the cement lower base layer, the top width of the gravel subbase layer is smaller than the bottom width, and the bottom width of the cement lower base layer is smaller than the top width of the gravel subbase layer and larger than the top width of the cement lower base layer. According to the utility model, the strength of the utility model can be ensured by arranging the gravel subbase layer and the plurality of cement base layers, and due to the arrangement of the first inclined part and the second inclined part, the gravity center of the utility model is reduced, the gravel subbase layer and the cement lower base layers are subjected to the pressure transmitted from the upper part, and can conveniently extend towards the inclined parts at the side parts; a certain buffering effect is achieved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of road design, in particular to a road structure. Background Art

[0002] “If you want to get rich, build roads first.” If you want to achieve prosperity and development, you cannot do without road construction. Only when the road construction is perfect and the convenience of transportation is guaranteed can we effectively promote the smooth flow of materials, reduce transportation costs, and improve production efficiency and market competitiveness.

[0003] In the past, many roads were built by simply leveling the land surface for use as roads. However, with the increase in the number of cars and the increase in the weight of truck loads, the strength requirements for roads have become increasingly higher, especially in some transportation hubs, where the strength requirements for roads are even more stringent.

[0004] Therefore, it is an urgent need for technical personnel in this field to design a road structure with high strength, long service life, good compression resistance and effective application in transportation hubs and other usage scenarios. Utility Model Content

[0005] The purpose of the utility model is to provide a road structure that can solve one or more of the above problems.

[0006] According to one aspect of the utility model, a road structure is provided, comprising a crushed stone subbase, a cement lower base, a cement upper base, a permeable oil layer and a surface structure, wherein the crushed stone subbase, the cement lower base, the cement upper base, the permeable oil layer and the surface structure are connected in sequence from bottom to top, a first inclined portion is provided on the side of the crushed stone subbase, a second inclined portion is provided on the side of the cement lower base, a top width of the crushed stone subbase is smaller than a bottom width, a bottom width of the cement lower base is smaller than a top width of the crushed stone subbase and greater than a top width of the cement lower base.

[0007] The beneficial effects of the utility model are as follows: in the utility model, the strength of the utility model can be ensured by setting a crushed stone base layer and multiple cement base layers, and because the first inclined portion and the second inclined portion are provided, the center of gravity of the utility model is lowered and the stability of the utility model is improved, and the crushed stone base layer and the cement lower base layer can be subjected to pressure transmitted from above, which can be conveniently extended to the inclined portion of the side, play a certain buffering role, reduce the probability of its breakage, improve its service life, and ensure its compression resistance.

[0008] In some embodiments, the utility model further comprises a base, an edge stone and a first mortar layer, the cement lower base is provided with a slot, the base is connected to the slot and abuts against the side of the cement upper base, the base is provided with a receiving groove, the first mortar layer is connected to the receiving groove, the edge stone is connected to the first mortar layer and abuts against the side wall of the receiving groove and the side of the cement upper base. The edge stone can restrict the side of the cement upper base to reduce the probability of deformation of the cement upper base.

[0009] In some embodiments, the surface structure includes an asphalt lower layer, a concrete middle layer, a sticky oil layer and an asphalt upper layer, and the asphalt lower layer, the concrete middle layer, the sticky oil layer and the asphalt upper layer are connected in sequence from bottom to top, and the asphalt lower layer is connected to the permeable oil layer.

[0010] In some embodiments, the surface structure includes a second mortar layer and flat stones, the second mortar layer is connected to the asphalt lower layer, the flat stones are connected to the second mortar layer, one side of the flat stones and the second mortar layer are connected to the side of the concrete middle layer, and the other side of the flat stones are connected to the edge stones, and the flat stones are connected to the side of the asphalt upper layer. The flat stones can restrict the sides of the asphalt upper layer and the concrete middle layer to reduce the probability of deformation of the asphalt upper layer and the concrete middle layer.

[0011] In some embodiments, the thickness of the asphalt lower layer is 0.8 cm to 1.2 cm, the thickness of the concrete middle layer is 7 cm to 9 cm, and the thickness of the asphalt upper layer is 3 cm to 5 cm.

[0012] In some embodiments, the thickness of the crushed stone base layer is 14 cm to 16 cm, the thickness of the cement lower base layer is 19 cm to 21 cm, and the thickness of the cement upper base layer is 19 cm to 21 cm.

[0013] In some embodiments, the lateral distance from the bottom of the first slope to the top of the first slope is 14 cm to 16 cm, and the lateral distance from the top of the first slope to the bottom of the second slope is 9 cm to 11 cm. This arrangement allows the first slope to be extended to a certain extent.

[0014] In some embodiments, the lateral distance from the bottom of the second slope to the top of the second slope is 16 cm to 18 cm, and the lateral distance from the top of the second slope to the base is 9 cm to 11 cm. This arrangement allows the second slope to extend to a certain extent on the first slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A cross-sectional view of a schematic structural diagram of a road structure according to an embodiment of the utility model.

[0016] Figure 2 for Figure 1 Annotated diagram of the structural schematic diagram of the road structure.

[0017] Figure 3 for Figure 1 An enlarged view of the road structure at Q.

[0018] In the figure: 1. crushed stone base, 2. cement lower base, 3. cement upper base, 4. permeable oil layer, 5. surface structure, 6. base, 7. edge stone, 8. first mortar layer, 9. second mortar layer, 10. flat stone, 11. first slope, 21. second slope, 22. slot, 51. asphalt lower layer, 52. concrete middle layer, 53. adhesive oil layer, 54. asphalt upper layer. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] refer to Figure 1 , Figure 2 and Figure 3 The utility model discloses a road structure, comprising a crushed stone base layer 1, a cement lower base layer 2, a cement upper base layer 3, a permeable oil layer 4 and a surface structure 5.

[0021] The crushed stone base layer 1 is formed of crushed stones, and the thickness of the crushed stone base layer 1 can be between 14 cm and 16 cm. In this embodiment, the thickness A of the crushed stone base layer 1 is preferably 15 cm. A first inclined portion 11 is provided on the side of the crushed stone base layer 1, and the setting of the first inclined portion 11 makes the top width of the crushed stone base layer 1 smaller than the bottom width.

[0022] The lateral distance from the bottom of the first slope 11 to the top of the first slope 11 may be between 14 cm and 16 cm. In this embodiment, the lateral distance B from the bottom of the first slope 11 to the top of the first slope 11 is preferably 15 cm.

[0023] The cement subbase 2 is formed of cement, which is fixedly connected to the crushed stone subbase 1 by laying, and the thickness of the cement subbase 2 can be between 19 cm and 21 cm. In this embodiment, the thickness C of the cement subbase 2 is preferably 20 cm. The side of the cement subbase 2 is provided with a second inclined portion 21, and the second inclined portion 21 is arranged so that the bottom width of the cement subbase 2 is smaller than the top width of the crushed stone subbase 1, and the bottom width of the cement subbase 2 is greater than the top width of the cement subbase 2.

[0024] The lateral distance from the top of the first slope 11 to the bottom of the second slope 21 can be between 9 cm and 11 cm. In this embodiment, the lateral distance D1 from the top of the first slope 11 to the bottom of the second slope 21 is preferably 10 cm, and the lateral distance from the bottom of the second slope 21 to the top of the second slope 21 can be between 16 cm and 18 cm. In this embodiment, the lateral distance D2 from the bottom of the second slope 21 to the top of the second slope 21 is preferably 17 cm.

[0025] The cement upper base layer 2 is also formed of cement and is fixedly connected to the cement lower base layer 2 by laying. The thickness of the cement upper base layer 2 can be between 19 cm and 21 cm. In this embodiment, the thickness E of the cement upper base layer 2 is preferably 20 cm.

[0026] The permeable oil layer 4 is formed by spraying permeable oil on the cement upper base 2, so that the permeable oil layer 4 is connected to the cement upper base 2, and the spraying density of the permeable oil can be preferably 1.0L / m².

[0027] The surface structure 5 includes an asphalt lower layer 51, a concrete middle layer 52, a sticky oil layer 53 and an asphalt upper layer 54. The asphalt lower layer 51 is formed of asphalt and is fixedly connected to the permeable oil layer 4 by laying, the concrete middle layer 52 is formed of concrete and is fixedly connected to the asphalt lower layer 51 by laying, and the sticky oil layer 53 is formed of a sticky oil layer and is formed by spraying sticky oil on the concrete middle layer 52, so that the sticky oil layer 53 is fixedly connected to the concrete middle layer 52, and the spraying density of the sticky oil can be preferably 0.5L / m², and the asphalt upper layer 54 is formed of asphalt and is fixedly connected to the sticky oil layer 53 by laying.

[0028] The thickness of the asphalt lower layer 51 can be between 0.8 cm and 1.2 cm, the thickness of the concrete middle layer 52 can be between 7 cm and 9 cm, and the thickness of the asphalt upper layer 53 can be between 3 cm and 5 cm. In this embodiment, the thickness F of the asphalt lower layer 51 is preferably 1.0 cm, the thickness G of the concrete middle layer 52 is preferably 8 cm, and the thickness H of the asphalt upper layer 53 is preferably 4 cm.

[0029] The road structure also includes a base 6, a curb stone 7 and a first mortar layer 8. The cement lower base 2 is provided with a groove 22. The base 6 can be made of concrete. The base 6 is placed in the groove 22 to be connected to the groove 22, and one side of the base 6 is abutted against the side wall of the groove 22 and the side of the cement upper base 3. The base 6 is provided with a receiving groove. The first mortar layer 8 can be formed by mortar, which is connected to the bottom of the receiving groove by laying. Relying on the viscosity of the first mortar layer 8, the curb stone 7 is placed on the first mortar layer 8 to be connected to the first mortar layer 8, and the curb stone 7 extends into the receiving groove. The curb stone 7 is abutted against the side wall of the receiving groove and the side of the cement upper base 2, and after the setting, the lateral distance from the top of the second inclined portion 21 to the base 6 can be between 9 cm and 11 cm. In this embodiment, the lateral distance D3 from the top of the second inclined portion 21 to the base 6 is 10 cm.

[0030] The surface structure 5 can also include a second mortar layer 9 and flat stones 10. The second mortar layer 9 can be formed by mortar, and the second mortar layer 9 is connected to the asphalt lower layer 51 by laying. Relying on the viscosity of the second mortar layer 9, the flat stones 10 are placed on the second mortar layer 9 to be connected to the second mortar layer 9. After being set, the flat stones 10 and the first mortar layer 9 are both in contact with the side of the concrete middle layer 52 on one side, and the flat stones 10 and the first mortar layer 9 are both in contact with the edge stones 7 on the other side, and the flat stones 10 are also in contact with the side of the asphalt upper layer 54.

[0031] When the utility model is used, the crushed stone base layer 1 can be laid on the soil foundation to be used as a motor vehicle lane. It has high strength, and because the first inclined portion and the second inclined portion are provided, the center of gravity of the utility model is lowered and the stability of the utility model is improved. Moreover, when the crushed stone base layer 1 and the cement lower base layer 2 are subjected to pressure transmitted from above, they can be easily extended to the inclined portion of the side, thereby playing a certain buffering role, reducing the probability of fracture, improving its service life, and ensuring its compression resistance.

[0032] The flat stone 10 can limit the side of the asphalt upper layer 54 and the concrete middle layer 52 to reduce the probability of deformation of the asphalt upper layer 54 and the concrete middle layer 52. The edge stone 7 can limit the side of the cement upper base 3 to reduce the probability of deformation of the cement upper base 3.

[0033] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A road structure, characterized in that: The invention comprises a crushed stone base layer, a cement lower base layer, a cement upper base layer, a permeable oil layer and a surface structure, wherein the crushed stone base layer, the cement lower base layer, the cement upper base layer, the permeable oil layer and the surface structure are connected in sequence from bottom to top, a first inclined portion is arranged on the side of the crushed stone base layer, a second inclined portion is arranged on the side of the cement lower base layer, a top width of the crushed stone base layer is smaller than a bottom width, a bottom width of the cement lower base layer is smaller than a top width of the crushed stone base layer and is larger than a top width of the cement lower base layer.

2. A road structure according to claim 1, characterized in that: It includes a base, a curb stone and a first mortar layer, the cement lower base layer is provided with a groove, the base is connected to the groove and abuts against the side of the cement upper base layer, the base is provided with a receiving groove, the first mortar layer is connected to the receiving groove, the curb stone is connected to the first mortar layer and abuts against the side wall of the receiving groove and the side of the cement upper base layer.

3. A road structure according to claim 2, characterized in that: The surface structure includes an asphalt lower layer, a concrete middle layer, a sticky oil layer and an asphalt upper layer, wherein the asphalt lower layer, the concrete middle layer, the sticky oil layer and the asphalt upper layer are connected in sequence from bottom to top, and the asphalt lower layer is connected to the permeable oil layer.

4. A road structure according to claim 3, characterized in that: The surface structure includes a second mortar layer and flat stones, wherein the second mortar layer is connected to the asphalt lower layer, and the flat stones are connected to the second mortar layer. One side of the flat stones and the second mortar layer are connected to the side of the concrete middle layer and the other side are connected to the edge stones, and the flat stones are connected to the side of the asphalt upper layer.

5. A road structure according to claim 3, characterized in that: The thickness of the asphalt lower layer is 0.8 cm to 1.2 cm, the thickness of the concrete middle layer is 7 cm to 9 cm, and the thickness of the asphalt upper layer is 3 cm to 5 cm.

6. A road structure according to claim 5, characterized in that: The thickness of the crushed stone base layer is 14 cm to 16 cm, the thickness of the cement lower base layer is 19 cm to 21 cm, and the thickness of the cement upper base layer is 19 cm to 21 cm.

7. A road structure according to claim 6, characterized in that: The lateral distance from the bottom of the first inclined portion to the top of the first inclined portion is 14 cm to 16 cm, and the lateral distance from the top of the first inclined portion to the bottom of the second inclined portion is 9 cm to 11 cm.

8. A road structure according to claim 6, characterized in that: The lateral distance from the bottom of the second inclined portion to the top of the second inclined portion is 16 cm to 18 cm, and the lateral distance from the top of the second inclined portion to the base is 9 cm to 11 cm.

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