Ecological gravel soil garden pavement and construction method thereof

Abstract

The invention provides an ecological gravel soil garden road structure which comprises a gravel soil layer (1), a graded broken stone layer (2), an original soil layer (3), a curbstone layer (4), a curbstone binding layer (5), a curbstone cushion layer (6) and a soil road shoulder layer (7), and the gravel soil layer, the graded broken stone layer and the original soil layer are sequentially arranged from top to bottom. The curbstone layer, the curbstone combination layer and the curbstone cushion layer are sequentially arranged and located above the original soil layer from top to bottom and symmetrically distributed on the two sides of the gravel soil layer and the graded broken stone layer structure, and the earth road shoulder layers are symmetrically distributed on the two sides of the curbstone layer. The garden path structure is an ecological gravel soil garden path structure for a park meeting modern ecological requirements, is simple in structure, convenient in material taking, reliable and durable, and has good economic benefits.

Description

Technical Field

[0001] The invention belongs to the field of road engineering design and construction, and specifically relates to an ecological gravel soil garden road surface and a construction method thereof. Background Art

[0002] In the layout design of the road surface of a garden or park, in addition to meeting the requirements of the road surface design structure construction, so that the road surface has a certain stability and prevents the damage to the road surface structure caused by wind, sun and rain, it must also be based on the functional planning and design concept of the construction site. At the same time, it must also be designed in combination with the topography and land use nature. Generally, in agricultural parks, suburban parks, and forest parks, it should be more in line with nature, follow the terrain, and flow naturally. In addition, it should avoid excessive stacking of rigid and expensive materials, and use local materials to avoid the use of expensive materials and destroy the harmony of the natural ecological environment. The surrounding sand and gravel aggregates should be used as much as possible. They are low-cost and easy to obtain, and restore the state of the soil. The road will not accumulate water and mud on rainy days, and the construction period is short and easy to construct. Summary of the invention

[0003] In order to overcome the defects of the existing non-ecological gravel soil garden road structure, the present invention adopts the following technical solutions:

[0004] The present invention provides an ecological gravel soil garden road structure, comprising: a gravel soil layer (1), a graded crushed stone layer (2), an original soil layer (3), a sidestone layer (4), a sidestone bonding layer (5), a sidestone cushion layer (6), and an earth shoulder layer (7), wherein the gravel soil layer, the graded crushed stone layer, and the original soil layer are arranged in sequence from top to bottom, the sidestone layer, the sidestone bonding layer, and the sidestone cushion layer are arranged in sequence from top to bottom, located above the original soil layer, and symmetrically distributed on both sides of the gravel soil layer and the graded crushed stone layer structure, and the earth shoulder layer is symmetrically distributed on both sides of the sidestone layer;

[0005] Further, the gravel soil layer is composed of the following components in weight percentage: 5-10% cement, 10-20% sand, 10-18% loess and 50-60% crushed stone; further preferably, the gravel soil is composed of the following components in weight percentage: 7% cement, 20% sand, 15% loess and 58% crushed stone;

[0006] Furthermore, the cement is silicate cement;

[0007] Furthermore, the sand particle size is 0.25 to 0.5 mm;

[0008] Furthermore, the loess particle size is ≤10 mm;

[0009] Furthermore, the maximum nominal particle size of the crushed stone is ≤31.5 mm;

[0010] Furthermore, the paving method of the gravel soil layer includes: mixing the cement, sand, loess and crushed stone in proportion and roughly mixing them with an excavator, transporting them to a mixer for wet mixing, paving and rolling them in layers, and rolling them without sticking to the roller, with each layer having a thickness of ≥100 mm and a compaction degree of ≥90%, and at least paving 3 layers;

[0011] Furthermore, the graded crushed stone layer is formed by paving and rolling the crushed stone in layers, each layer has a thickness of ≥100 mm, a compaction degree of ≥93%, and at least 5 layers are paved;

[0012] Furthermore, the compaction degree of the original soil layer is ≥ 93%;

[0013] Furthermore, the side stone layer is made of precast concrete or stone masonry, with a width of ≥100mm and a thickness of ≥sandstone soil layer;

[0014] Furthermore, the curbstone bonding layer is made of silicate cement mortar, with a strength ≥ C20, a width ≥ 1.5 times the width of the curbstone layer, and a thickness ≥ 100 mm;

[0015] Furthermore, the curbstone cushion layer is formed by paving and rolling crushed stones, with a thickness of 100-150 mm, a compaction degree of ≥93%, and at least 2 layers are paved; furthermore, the maximum nominal particle size of the crushed stones is ≤31.5 mm;

[0016] Furthermore, the width of the earth shoulder is ≥500 mm; BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the ecological gravel soil garden road of the present invention;

[0018] In the figure: 1-sandstone soil layer, 2-graded crushed stone layer, 3-original soil layer 3, 4-side stone layer, 5-side stone bonding layer, 6-side stone cushion layer, 7-earth shoulder layer

[0019] Beneficial Effects

[0020] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0021] The garden path structure of the present invention is an ecological gravel and soil garden path structure for parks that meets modern ecological needs, and has a simple structure, convenient material acquisition, and is reliable and durable. The present invention adopts a side stone layer, a side stone bonding layer, and a side stone cushion layer structure, which can not only serve as a boundary mark, but also enhance the stability of the gravel and soil layer road surface. In addition, after testing, the road surface prepared by the gravel and soil layer with the proportion of the present invention can meet higher engineering use standards, effectively solve the problems of weak permeability and easy water accumulation of the road, realize the reduction and supplement of the traditional drainage system, and has good flexibility in adapting to environmental changes and coping with natural disasters. Specific implementation plan

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the following embodiments are only used to illustrate the present invention, rather than to limit the present invention.

[0023] (I) Embodiment

[0024] Embodiment 1:

[0025] An ecological gravel soil garden road structure comprises: a gravel soil layer (1), a graded crushed stone layer (2), an original soil layer (3) (the compaction degree of the original soil layer is ≥93%), a sidestone layer (4), a sidestone bonding layer (5), a sidestone cushion layer (6), and an earth shoulder layer (7) (the width of the earth shoulder is 500 mm), wherein the gravel soil layer, the graded crushed stone layer and the original soil layer are arranged in sequence from top to bottom, the sidestone layer, the sidestone bonding layer and the sidestone cushion layer are arranged in sequence from top to bottom and are located above the original soil layer and symmetrically distributed on both sides of the gravel soil layer and the graded crushed stone layer structure, and the earth shoulder layer is symmetrically distributed on both sides of the sidestone layer; the gravel soil layer is composed of the following components in weight percentage: cement (ordinary Portland cement with a strength grade of 42.5) 5%, sand (medium sand, 0.25-0.5mm) 30%, loess 15% and crushed stone 50%; the graded crushed stone layer is formed by layered paving and rolling of crushed stone, with a thickness of 100mm for each layer and a compaction degree ≥93%, and at least 5 layers are paved; the curb stone layer is formed by vertical masonry of precast concrete or stone, with a width of no less than 100mm and a thickness ≥ the thickness of the sand and gravel soil layer; the curb stone bonding layer is formed by cement (ordinary silicate concrete) mortar masonry, with a strength of no less than C20, a width of 1.5 times or more of the width of the curb stone layer, and a thickness of no less than 100mm; the curb stone cushion layer is formed by paving and rolling of crushed stone (the maximum nominal particle size should not be >31.5mm), with a thickness of 100mm and a compaction degree ≥93%; at least 2 layers are paved.

[0026] According to the test, the compressive strength of the concrete in the gravel soil layer is about 7.7 (Mpa), the conversion coefficient is 1.0, and the surface layer is reddish.

[0027] Embodiment 2:

[0028] An ecological gravel soil garden road structure comprises: a gravel soil layer (1), a graded crushed stone layer (2), an original soil layer (3) (the compaction degree of the original soil layer is ≥93%), a sidestone layer (4), a sidestone bonding layer (5), a sidestone cushion layer (6), and an earth shoulder layer (7) (the width of the earth shoulder is 500 mm), wherein the gravel soil layer, the graded crushed stone layer and the original soil layer are arranged in sequence from top to bottom, the sidestone layer, the sidestone bonding layer and the sidestone cushion layer are arranged in sequence from top to bottom and are located above the original soil layer and symmetrically distributed on both sides of the gravel soil layer and the graded crushed stone layer structure, and the earth shoulder layer is symmetrically distributed on both sides of the sidestone layer; the gravel soil layer is composed of the following components in weight percentage: cement (ordinary Portland cement with a strength grade of 42.5) 10%, sand (medium sand, 0.25-0.5mm) 15%, loess 15% and crushed stone 50%; the graded crushed stone layer is formed by layered paving and rolling of crushed stone, each layer is 100mm thick, the compaction degree is ≥93%, and at least 6 layers are paved; the curb stone layer is formed by precast concrete or stone masonry, the width should not be less than 100mm, the thickness should be ≥ the thickness of the sand and gravel soil layer, the curb stone bonding layer is formed by cement (ordinary silicate concrete) mortar masonry, the strength should not be lower than C20, the width should be 2 times or more of the width of the curb stone layer, and the thickness should not be less than 100mm; the curb stone cushion layer is formed by paving and rolling of crushed stone (the maximum nominal particle size should not be >31.5mm), the thickness is 120mm, and the compaction degree is ≥93%; at least 3 layers are paved.

[0029] According to tests, the compressive strength of the gravel soil layer concrete is about 10.6 (Mpa), the conversion coefficient is 1.0, and the surface layer is close to the original soil color.

[0030] Embodiment 3:

[0031] An ecological gravel soil garden road structure comprises: a gravel soil layer (1), a graded crushed stone layer (2), an original soil layer (3) (the compaction degree of the original soil layer is ≥93%), a sidestone layer (4), a sidestone bonding layer (5), a sidestone cushion layer (6), and an earth shoulder layer (7) (the width of the earth shoulder is 800 mm), wherein the gravel soil layer, the graded crushed stone layer and the original soil layer are arranged in sequence from top to bottom, the sidestone layer, the sidestone bonding layer and the sidestone cushion layer are arranged in sequence from top to bottom and are located above the original soil layer and symmetrically distributed on both sides of the gravel soil layer and the graded crushed stone layer structure, and the earth shoulder layer is symmetrically distributed on both sides of the sidestone layer; the gravel soil layer is composed of the following components in weight percentage: cement (ordinary Portland cement with a strength grade of 42.5) 7%, sand (medium sand, 0.25-0.5mm) 20%, loess 15% and crushed stone 58%; the graded crushed stone layer is formed by layered paving and rolling of crushed stone, each layer is 100mm thick, the compaction degree is ≥93%, and at least 5 layers are paved; the curb stone layer is formed by precast concrete or stone masonry, the width should not be less than 100mm, the thickness should be ≥ the thickness of the sand and gravel soil layer, the curb stone bonding layer is formed by cement (ordinary silicate concrete) mortar masonry, the strength should not be lower than C20, the width should be 1.5 times or more of the width of the curb stone layer, and the thickness should not be less than 100mm; the curb stone cushion layer is formed by paving and rolling of crushed stone (the maximum nominal particle size should not be >31.5mm), the thickness is 120mm, and the compaction degree is ≥93%; at least 3 layers are paved.

[0032] According to the test, the compressive strength of the concrete in the gravel soil layer is about 12.3 (Mpa), the conversion coefficient is 1.0, and the surface layer is white.

[0033] (II) Experimental Examples

[0034] 1. Screening of sand and gravel soil layer: Screen the sand and gravel soil layer and measure its strength as shown in Table 1 below.

[0035] Table 1

[0036]

[0037]

[0038] The present invention is described above by way of example in conjunction with the accompanying drawings. The specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention, or the above-mentioned concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An ecological gravel soil garden path structure, characterized in that: The invention comprises: a gravel soil layer (1), a graded crushed stone layer (2), an original soil layer (3), a curb stone layer (4), a curb stone bonding layer (5), a curb stone cushion layer (6), and an earth shoulder layer (7), wherein the gravel soil layer, the graded crushed stone layer, and the original soil layer are arranged in sequence from top to bottom, the curb stone layer, the curb stone bonding layer, and the curb stone cushion layer are arranged in sequence from top to bottom and are located above the original soil layer and are symmetrically distributed on both sides of the gravel soil layer and the graded crushed stone layer structure, and the earth shoulder layer is symmetrically distributed on both sides of the curb stone layer.

2. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The gravel soil layer is composed of the following components in weight percentage: 5-10% cement, 10-20% sand, 10-18% loess and 50-60% crushed stone; further preferably, the gravel soil is composed of the following components in weight percentage: 7% cement, 20% sand, 15% loess and 58% crushed stone; Further preferably, the cement is Portland cement; Further preferably, the sand particle size is 0.25 to 0.5 mm; Further preferably, the loess particle size is ≤10 mm; Further preferably, the maximum nominal particle size of the crushed stone is ≤31.5 mm.

3. The ecological gravel garden path structure according to claim 2 is characterized in that: The paving method of the gravel soil layer comprises: mixing the cement, sand, loess and crushed stone in proportion and mixing them roughly with an excavator, transferring them to a mixer for wet mixing evenly, paving and rolling them in layers, and the roller must not stick during rolling. The thickness of each layer is ≥100mm, the compaction degree is ≥90%, and at least 3 layers are paved.

4. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The graded crushed stone layer is formed by paving and rolling the crushed stone in layers, with each layer having a thickness of ≥100 mm and a compaction degree of ≥93%, and at least 5 layers are paved.

5. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The compaction degree of the original soil layer is ≥93%.

6. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The side stone layer is made of precast concrete or stone masonry, with a width ≥ 100mm and a thickness ≥ the gravel soil layer.

7. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The curb stone bonding layer is made of silicate cement mortar, with a strength ≥ C20, a width ≥ 1.5 times the width of the curb stone layer, and a thickness ≥ 100 mm.

8. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The curbstone cushion layer is paved by spreading and rolling crushed stones, has a thickness of 100 to 150 mm, a compaction degree of ≥ 93%, and is paved in at least 2 layers; furthermore, the maximum nominal particle size of the crushed stones is ≤ 31.5 mm.

9. The ecological gravel soil garden path structure according to claim 1 is characterized in that: The width of the earth shoulder is ≥500mm.

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