CN219410402U - Crack-resistant foam light soil pavement structure - Google Patents

Abstract

The utility model provides an anti-crack foam lightweight soil pavement structure, which comprises a pavement, a pressing edge, a roadbed, a foundation pit, a rammed base layer and a cement macadam base layer, wherein the foundation pit is arranged in the roadbed, the rammed base layer is arranged at the bottom of the foundation pit, the cement macadam base layer is paved on the upper side of the rammed base layer, a compression-resistant layer is paved on the upper side of the cement macadam base layer, a foam lightweight soil pavement layer is paved on the upper side of the compression-resistant layer, a reinforcing support layer is arranged between the foam lightweight soil pavement layer and the compression-resistant layer, the pavement is provided with the pavement edge on the left side and the right side of the foam lightweight soil pavement layer, and the pressing edge is arranged on the outer side of the pavement edge.

Description

Crack-resistant foam light soil pavement structure

Technical Field

The utility model relates to an anti-cracking foam light soil pavement structure, and belongs to the technical field of optical fiber laying.

Background

The pavement structure layer refers to each pavement layer forming the pavement, and mainly comprises a surface layer, a base layer and a subbase layer according to the layer and the action of the pavement, wherein the pavement is subjected to the action of wheel loads and the influence of natural environment factors. Because the influence of the driving load and the atmospheric factors on the road surface is generally weakened gradually along with the depth, the road surface is generally of a multi-layer structure, materials with good quality are paved on an upper layer with larger stress, materials with poor quality are paved on a lower layer with smaller stress, and therefore the road surface structure forms of paving cushion layers, base layers and surface layers respectively by adopting materials with different specifications and requirements on the roadbed are formed.

At present, when the pavement structure is put into use, the whole structure is low in strength and easy to deform due to extrusion, and because the conventional suspended compact graded cement stabilized macadam and the two-ash macadam mixture have larger shrinkage coefficients, shrinkage cracking is easy to generate under the actions of temperature shrinkage and dry shrinkage, so that the pavement structure is subjected to reflection cracking, potential safety hazards are caused in pavement use, the drainage capacity of the pavement structure is poor, and the cracking-resistant foam light-weight pavement structure is urgently needed at present to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an anti-cracking foam lightweight soil pavement structure, so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an anti foam light soil road surface structure that splits, includes curb, blank holder, road bed, foundation ditch, tamped basic unit and cement rubble basic unit, the foundation ditch has been seted up to the inside foundation ditch, the foundation ditch bottom is provided with tamped basic unit, cement rubble basic unit has been laid to tamped basic unit upside, the compressive layer has been laid to cement rubble basic unit upside, foam light soil road surface layer has been laid to compressive layer upside, be provided with between foam light soil road surface layer and the compressive layer and strengthen the supporting layer, foam light soil road surface layer left and right sides is provided with the curb, the curb outside is provided with the blank holder, drainage tank has been seted up on foam light soil road surface layer surface, the water catch bowl has been seted up with the curb junction to foam light soil road surface layer edge.

Further, a plurality of groups of slots are uniformly formed in the cement macadam base layer, cement struts are uniformly arranged on the lower side of the compression-resistant layer, and the cement struts are poured in the slots.

Further, a plurality of groups of drain holes are formed in the road edge at equal intervals, and the drain holes are communicated with the water collecting tank.

Further, the multiunit water drainage tank constitutes a set of drainage unit, and the drainage unit is provided with the multiunit, multiunit the drainage unit equidistance sets up in foam lightweight soil pavement layer surface, both ends are linked together with the water catch bowl about the water drainage tank.

Further, the drain groove width is 5mm, and the drain groove depth is 5mm.

Further, the reinforcing support layer is arranged in a hexagonal hollow structure.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the anti-cracking foam light soil pavement structure, the pavement is prevented from shrinkage cracking by the aid of the arranged pavement edges, the pressed edges, the roadbeds, the foundation pits, the rammed base layers, the cement macadam base layers, the compression-resistant layers, the foam light soil pavement layers, the reinforced supporting layers, the drainage grooves and the water collecting grooves, the pavement structure can be further supported by the aid of the arranged compression-resistant layers and the reinforced supporting layers, the compression-resistant supporting strength of the pavement is improved, accumulated water on the pavement can be rapidly discharged through the aid of the arranged drainage grooves, the drainage performance of the pavement is improved, the problems that when an original pavement structure is put into use, the overall structural strength is low, deformation is easy to occur due to extrusion, and due to the fact that conventional suspended dense graded cement stabilized macadam and two-ash mixture have a large shrinkage coefficient and shrinkage cracking is easy to occur under the effects of temperature shrinkage and dry shrinkage, so that the pavement structure is prone to reflection cracking, hidden danger is caused, the pavement is poor in use, and the anti-cracking performance is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of an anti-crack foam lightweight pavement structure according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the compression-resistant layer and the cement macadam base layer in the crack-resistant foam lightweight soil pavement structure of the present utility model;

FIG. 3 is a schematic view of a foamed lightweight soil pavement layer in an anti-crack foamed lightweight soil pavement structure according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 5 is a schematic view of the structure of a reinforced support layer in an anti-crack foam lightweight pavement structure according to the present utility model;

in the figure: 1-road edge, 2-blank pressing, 3-roadbed, 4-foundation pit, 5-rammed base layer, 6-cement macadam base layer, 61-slotted hole, 7-compression layer, 71-cement pillar, 8-foam lightweight soil pavement layer, 9-reinforced supporting layer, 10-drainage tank, 11-water collecting tank and 12-drainage hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a crack resistant foam lightweight soil pavement structure, including curb 1, the blank holder 2, road bed 3, foundation ditch 4, tamped basic unit 5 and cement rubble basic unit 6, foundation ditch 4 has been seted up to the inside foundation ditch 4 that has been seted up of foundation ditch 3, foundation ditch 4 bottom is provided with tamped basic unit 5, cement rubble basic unit 6 has been laid to tamped basic unit 5 upside, compression layer 7 has been laid to cement rubble basic unit 6 upside, compression layer 7 upside has laid foam lightweight soil pavement layer 8, be provided with between foam lightweight soil pavement layer 8 and the compression layer 7 and strengthen supporting layer 9, foam lightweight soil pavement layer 8 left and right sides is provided with curb 1, the curb 2 is provided with in the outside of curb 1, water drainage tank 10 has been seted up on foam lightweight soil pavement layer 8 surface, water collection tank 11 has been seted up to foam lightweight soil pavement layer 8 edge and curb 1 junction, this design has solved original pavement structure when putting into use, its overall structure intensity is lower, easily because the extrusion warp, and because the cement stabilizing rubble of conventional suspension compact grading and two grey mixes have great shrinkage coefficient, easily produce shrinkage under the effect, thereby the crack and cause the poor potential safety hazard of fracture to cause the pavement structure to produce the crack.

The inside multiunit slotted hole 61 that has evenly offered of cement rubble basic unit 6, compressive layer 7 downside evenly is provided with cement pillar 71, and cement pillar 71 pours in the slotted hole 61 inside, can improve the connection steadiness between cement rubble basic unit 6 and compressive layer 7 through the cement pillar 71 that sets up, has improved the support steadiness to compressive layer 7 simultaneously.

A plurality of groups of drain holes 12 are formed in the road edge 1 at equal intervals, the drain holes 12 are communicated with the water collecting tank 11, and accumulated water in the water collecting tank 11 is conveniently and rapidly discharged through the drain holes 12.

The multiunit water drainage tank 10 constitutes a set of drainage unit, and the drainage unit is provided with the multiunit, and multiunit water drainage unit equidistance sets up in foam lightweight soil pavement layer 8 surface, and both ends are linked together with water catch bowl 11 about water drainage tank 10, can discharge foam lightweight soil pavement layer 8 surface's catchment fast through the multiunit water drainage unit that sets up.

The width of the drainage groove 10 is 5mm, the depth of the drainage groove 10 is 5mm, and the reinforced supporting layer 9 is of a hexagonal hollow structure.

As an embodiment of the present utility model: during construction, firstly, a foundation pit 4 is dug in the roadbed 3, soil at the bottom of the foundation pit 4 is tamped to form a tamped base layer 5, a cement macadam base layer 6 is paved on the tamped base layer 5, a compression-resistant layer 7 is paved on the upper side of the solidified water retaining mud macadam base layer 6, a reinforcing support layer 9 is paved on the upper side of the compression-resistant layer 7, a foam lightweight soil pavement layer 8 is paved on the upper side of the reinforcing support layer 9, a drainage groove 10 and a water collecting groove 11 are formed in the surface of the foam lightweight soil pavement layer 8, the foam lightweight soil pavement layer 8 has good heat insulation and freezing resistance, pavement shrinkage cracking can be prevented, pavement can be further supported through the set compression-resistant layer 7 and the reinforcing support layer 9, the compression-resistant support strength of the pavement is improved, accumulated water on the pavement can be rapidly discharged through the drainage groove 10, and the drainage property of the pavement is improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides an anticracking foam light soil road surface structure, includes curb (1), blank holder (2), road bed (3), foundation ditch (4), tamp basic unit (5) and cement rubble basic unit (6), its characterized in that: foundation ditch (4) have been seted up to the inside foundation ditch (3), foundation ditch (4) bottom is provided with tamp basic unit (5), tamp basic unit (5) upside and laid cement rubble basic unit (6), cement rubble basic unit (6) upside has laid compressive layer (7), compressive layer (7) upside has laid foam lightweight soil pavement layer (8), be provided with between foam lightweight soil pavement layer (8) and compressive layer (7) and strengthen supporting layer (9), foam lightweight soil pavement layer (8) left and right sides is provided with road edge (1), the road edge (1) outside is provided with pressure side (2), water drainage tank (10) have been seted up on foam lightweight soil pavement layer (8) surface, water catch bowl (11) have been seted up with road edge (1) junction to foam lightweight soil pavement layer (8) edge.

2. The crack resistant foamed lightweight pavement structure of claim 1, wherein: a plurality of groups of slotted holes (61) are uniformly formed in the cement macadam base layer (6).

3. The crack resistant foamed lightweight pavement structure of claim 1, wherein: cement struts (71) are uniformly arranged on the lower side of the compression-resistant layer (7), and the cement struts (71) are poured inside the slotted holes (61).

4. The crack resistant foamed lightweight pavement structure of claim 1, wherein: a plurality of groups of drain holes (12) are formed in the road edge (1) at equal intervals, and the drain holes (12) are communicated with the water collecting tank (11).

5. The crack resistant foamed lightweight pavement structure of claim 1, wherein: the plurality of groups of drainage grooves (10) form a group of drainage units, the plurality of groups of drainage units are arranged, and the plurality of groups of drainage units are equidistantly arranged on the surface of the foam lightweight soil pavement layer (8).

6. The crack resistant foamed lightweight pavement structure of claim 1, wherein: the left end and the right end of the drainage tank (10) are communicated with the water collecting tank (11).

7. The crack resistant foamed lightweight pavement structure of claim 1, wherein: the width of the drainage groove (10) is 5mm, and the depth of the drainage groove (10) is 5mm.

8. The crack resistant foamed lightweight pavement structure of claim 1, wherein: the reinforced supporting layer (9) is in a hexagonal hollow structure.