CN114753204B - Sand road with ecological function - Google Patents
Sand road with ecological function Download PDFInfo
- Publication number
- CN114753204B CN114753204B CN202210297697.8A CN202210297697A CN114753204B CN 114753204 B CN114753204 B CN 114753204B CN 202210297697 A CN202210297697 A CN 202210297697A CN 114753204 B CN114753204 B CN 114753204B
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- sand
- supporting pieces
- group
- road
- guardrail
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- 239000004576 sand Substances 0.000 title claims abstract description 219
- 239000002344 surface layer Substances 0.000 claims abstract description 91
- 239000010410 layer Substances 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 239000004575 stone Substances 0.000 claims abstract description 29
- 239000004927 clay Substances 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 38
- 239000003795 chemical substances by application Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 241000196324 Embryophyta Species 0.000 description 25
- 239000000843 powder Substances 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000002786 root growth Effects 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/04—Supports for hops, vines, or trees
- A01G17/14—Props; Stays
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/04—Self-acting watering devices, e.g. for flower-pots using wicks or the like
- A01G27/06—Self-acting watering devices, e.g. for flower-pots using wicks or the like having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/12—Supports for plants; Trellis for strawberries or the like
-
- 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
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/12—Mortar-bound paving
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Water Supply & Treatment (AREA)
- Botany (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a sand road with an ecological function, belongs to the technical field of traffic construction, and solves the problems that in the prior art, the sand road is easy to mud in rainy days, easy to raise dust in sunny days and the road surface is not wear-resistant. The sand road comprises a roadbed and a road surface arranged on the upper surface of the roadbed, wherein a road groove is formed in the roadbed, and the road surface comprises a broken stone base layer, a first sand surface layer and a second sand surface layer which are sequentially paved in the road groove; the first sand surface layer comprises the following raw materials in percentage by mass: 10-45% of graded gravel, 20-50% of yellow sand and 10-30% of clay; the raw materials of the second sand surface layer comprise 85-90% of graded sand stone and 10-15% of yellow sand by mass percent. The sandy soil road can be used for rural roads.
Description
Technical Field
The invention belongs to the technical field of traffic construction, and particularly relates to a sand road with an ecological function.
Background
The conventional method of the existing sand road is to simply mix loess and sand and then roll the loess and sand into a road surface, and the sand road is formed by means of the interlocking of gravel and the bonding effect of the loess.
As the sandy soil pavement contains a large amount of clay, the sandy soil pavement has the advantages of easily available materials, simple and convenient construction, low manufacturing cost and the like, but has poor water stability, is easy to mud in rainy days, is easy to raise dust in sunny days, and is not wear-resistant.
Disclosure of Invention
In view of the analysis, the invention aims to provide the sand road with the ecological function, and solves the problems that the sand road is easy to be muddy in rainy days and the road surface is not wear-resistant in the prior art.
The aim of the invention is mainly realized by the following technical scheme:
the invention provides a sand-soil road with an ecological function, which comprises a roadbed and a road surface arranged on the upper surface of the roadbed, wherein a road groove is formed in the roadbed, and the road surface comprises a broken stone base layer, a first sand surface layer and a second sand surface layer which are sequentially paved in the road groove;
the first sand surface layer comprises the following raw materials in percentage by mass: 10-45% of graded gravel, 20-50% of yellow sand and 10-30% of clay;
the raw materials of the second sand surface layer comprise 85-90% of graded sand stone and 10-15% of yellow sand by mass percent.
Further, the second sand facing has a porosity less than the first sand facing.
Further, the raw materials of the first sand surface layer comprise the following components in percentage by mass: 5 to 10 percent of Guami stone.
Further, the raw materials of the first sand surface layer comprise the following components in percentage by mass: 20-25% of cement.
Further, the compaction coefficient of the sand road is greater than or equal to 94%.
Further, the rebound modulus of the sand road is 100-120 MPa.
Further characterized in that a liquid curing agent is sprayed into the first sand surface layer and/or the second sand surface layer.
Further, the addition amount of the liquid curing agent of the first sand surface layer is 1.5-2.0 kg/m 3 。
Further, the addition amount of the liquid curing agent of the second sand surface layer is 0.4-0.6 g/m 3 。
Further, the second sand surface layer is paved by the following steps:
spreading graded sand and compacting;
spraying liquid curing agent for the first time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 ；
Standing for 3-5 days, spraying liquid curing agent for the second time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 ；
And then spreading yellow sand to finish the laying of the second sand surface layer.
Further, the sand road further comprises a plurality of arc-shaped supporting pieces, the central angle of each supporting piece is 90 degrees, and the supporting pieces are in a guardrail state, a long corridor state and a guardrail long corridor state; the supporting pieces are in a guardrail state, two supporting pieces form a group, the supporting pieces are arranged on two sides of a road surface in two rows respectively, one end of one supporting piece is overlapped with the circle center of the other supporting piece in the adjacent two groups of supporting pieces, that is, the distance between the circle centers of the two adjacent groups of supporting pieces is equal to the radius of each group of supporting piece; the support members are in a gallery state, four support members form a group, a plurality of groups of support members are axially arranged, two ends of each group of support members are respectively positioned at two sides of a road surface, and the plurality of groups of support members cover the upper part of the road surface; the supporting pieces are in a guardrail gallery composite state, the supporting pieces can be divided into a plurality of guardrail supporting pieces and a plurality of gallery supporting pieces, two guardrail supporting pieces form a group, the plurality of guardrail supporting pieces are respectively arranged on two sides of a road surface in two rows, one end of one guardrail supporting piece is overlapped with the circle center of the other guardrail supporting piece, that is, the distance between the circle centers of the two adjacent guardrail supporting pieces is equal to the radius of each guardrail supporting piece; four gallery support members constitute a set of, multiunit gallery support member is arranged along the axial, and every group long gallery support member's both ends divide into the both sides that are located the road surface for multiunit long gallery support member can form the gallery shape, multiunit gallery support member covers in the top on road surface.
Further, the sand road further comprises a water guide component, a side ditch with an opening at the top and a plant planting container with an opening at the bottom, wherein the side ditch is arranged on two sides of the road surface, the water guide component is arranged at the opening of the side ditch, the plant planting container is arranged on the water guide component, and the side wall of the plant planting container and the water guide component form a cavity for accommodating plants.
Compared with the prior art, the invention has at least one of the following beneficial effects:
a) According to the sand road with the ecological function, two sand layers (namely the first sand layer and the second sand layer) are paved on the upper surface of the macadam base layer, on one hand, in rainy days, rainwater can quickly permeate downwards when being sprayed on the second sand layer, water accumulation on the road surface is avoided, and therefore the problem that the sand road is muddy can be avoided; on the other hand, the porosity of second sand surface course is less than the porosity of first sand surface course, and when the rainwater from second sand surface course infiltration to first sand surface course downwards, the hole of first sand surface course can carry out suitable water conservancy diversion to the rainwater, makes it can outwards flow to the side of sand road along the hole of first sand surface course to can improve the infiltration ability of sand road, further reduce the ponding on sand road surface.
b) According to the sand road with the ecological function, due to the arrangement of the second sand surface layer, the oxygen content in the sand road is increased, germination of plant seeds (such as grass seeds) and root growth in the sand road surface are facilitated, the root growth can further strengthen the sand road surface, and therefore the structural strength of the sand road in the using process can be ensured, and the sand road provided by the invention has the ecological function.
c) According to the sand road with the ecological function, the mechanical strength of the whole sand road with the ecological function and the first sand surface layer and the second sand surface layer can be effectively improved through improvement of the raw material components of the first sand surface layer and the second sand surface layer and optimization of the proportion.
d) In the sand road with the ecological function, in rainy days, the rainwater on the road surface flows into the side ditch and is stored in the side ditch, and at the moment, the water in the plant planting container is sufficient, so that the rainwater in the side ditch basically cannot be diffused into the plant planting container through the water guide component, and conversely, the redundant rainwater in the plant planting container can also flow into the side ditch through the water guide component and be stored; when sunny days, the water in the plant planting container is lack, and the rainwater in the side ditch can diffuse into the plant planting container through the water guide component, so that the humidity in the plant planting container can be improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic diagram of a sand road with an ecological function;
FIG. 2 is a schematic structural view of a support member in a guardrail state in a sand road with an ecological function;
fig. 3 is a schematic structural view of the support member in the long corridor state in the sand road with the ecological function.
Reference numerals:
1-a macadam base layer; 2-a first sand surface layer; 3-a second sand surface layer; 4-a plant growing container; 5-a support; 6-a water guiding component; 7-side ditch.
Detailed Description
Preferred embodiments of the present invention are described in detail below with reference to the attached drawing figures, which form a part of the present invention and are used in conjunction with the embodiments of the present invention to illustrate the principles of the present invention.
The invention provides a sand road with an ecological function, which is shown in fig. 1 to 3, and comprises a roadbed and a road surface arranged on the upper surface of the roadbed, wherein a roadbed is provided with a road groove, the road surface comprises a broken stone base layer 1, a first sand surface layer 2 and a second sand surface layer 3 which are sequentially paved in the road groove, and the raw materials of the first sand surface layer 2 comprise the following components in percentage by mass: the grading gravel is 10-45%, the yellow sand is 20-50% and the clay is 10-30%, the raw materials of the second sand surface layer 3 comprise, by mass, 85-90% of grading sand stone and 10-15% of yellow sand, and the porosity of the second sand surface layer 3 is smaller than that of the first sand surface layer 2.
Compared with the prior art, the sand road with the ecological function provided by the invention has the advantages that two sand layers (namely the first sand layer 2 and the second sand layer 3) are paved on the upper surface of the macadam base layer 1, on one hand, in rainy days, rainwater can quickly permeate downwards when being sprayed on the second sand layer 3, and road surface ponding is avoided, so that the problem of mud of the sand road can be avoided; on the other hand, the porosity of second sand finish layer 3 is less than the porosity of first sand finish layer 2, when the rainwater from second sand finish layer 3 infiltration to first sand finish layer 2 downwards, the hole of first sand finish layer 2 can carry out suitable water conservancy diversion to the rainwater, makes it outwards flow to the side of sand road along the hole of first sand finish layer 2 to can improve the infiltration ability of sand road, further reduce the ponding on sand road surface.
Meanwhile, due to the arrangement of the second sand surface layer 3, the oxygen content in the sand road is increased, germination of plant seeds (such as grass seeds) and root growth in the sand road are facilitated, the root growth can further strengthen the sand road, and therefore the structural strength of the sand road in the use process can be ensured, and the sand road provided by the invention has an ecological function.
In addition, through the improvement of the raw material components of the first sand surface layer 2 and the second sand surface layer 3 and the optimization of the proportion, the mechanical strength of the whole sand road with the ecological function and the first sand surface layer 2 and the second sand surface layer 3 can be effectively improved.
In order to further improve the porosity of the first sand surface layer 2, the raw materials of the first sand surface layer 2 further comprise, by mass: 5 to 10 percent of Guami stone.
In order to ensure the structural strength of the first sand surface layer 2, the raw materials of the first sand surface layer 2 further comprise, by mass: cement 20% to 25%, and cement may be Portland cement, for example.
In order to further improve the water stability, hardness and compressive strength of the first sand surface layer 2 and the second sand surface layer 3, the first sand surface layer 2 and the second sand surface layer 3 are sprayed with a liquid curing agent, which may be ZL-1 liquid curing agent or EN-1 liquid curing agent, for example.
Wherein the addition amount of the liquid curing agent of the first sand surface layer 2 is 1.5-2.0 kg/m 3 (e.g., 1.5 kg/m) 2 、1.7kg/m 2 、1.8kg/m 2 Or 2.0kg/m 2 ) The addition amount of the liquid curing agent of the second sand surface layer 3 is 0.4-0.6 g/m 3 (e.g., 0.4 kg/m) 3 、0.48kg/m 3 、0.52kg/m 3 、0.58kg/m 3 Or 0.6kg/m 3 ). It should be noted that, the selection of the liquid curing agent meets the standard of soil curing admixture (CJ/T486-2015), the liquid curing agent is diluted by water, the addition amount of the water is determined by the dryness and the humidity of each layer of raw materials, the diluted liquid curing agent is ensured to be added into the raw materials, and the raw materials can be combined by hand, and the two-finger light-kneading dough can be divided into two halves but not crushed. Therefore, in the construction process of the first sand surface layer 2 and the second sand surface layer 3, the liquid curing agent is required to be sprayed, the water stability, hardness, compressive strength and wear resistance of each layer are improved by spraying the liquid curing agent, and the dust emission problem caused by loosening of particles of each layer in the use process is reduced.
It should be noted that, the second sandy soil surface layer 3 is in direct contact with the pedestrian and is a main functional layer, so the following method is adopted for laying the second sandy soil surface layer 3: spreading graded sand and compacting; spraying liquid curing agent for the first time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the Standing for 3-5 days, spraying liquid curing agent for the second time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the And then spreading yellow sand to finish the laying of the second sand surface layer 3.
For the raw material proportion of the base layer, the raw materials of the base layer comprise, by mass: 70% of graded sand gravel, 20-24% of stone powder and 6-10% of clay.
In order to improve the overall structural strength of the sand road with the ecological function, the thickness ratio of the macadam base layer 1 to the first sand surface layer 2 to the second sand surface layer 3 is 150-160:50-80:5-8 for the thickness of each layer.
It will be appreciated that in order to enhance the aesthetic appearance of the above-described sand road with an ecology function, it further includes a plurality of circular arc-shaped supporting members 5, and the central angle of the supporting members 5 is 90 ° by way of example, and the plurality of supporting members 5 have a guardrail state, a long corridor state and a guardrail long corridor composite state.
The supporting pieces 5 are in a guardrail state, two supporting pieces 5 form a group, the supporting pieces 5 are respectively arranged at two sides of the pavement in two rows, and in the two adjacent supporting pieces 5, one end of one supporting piece 5 coincides with the circle center of the other supporting piece 5, that is, the distance between the circle centers of the two adjacent supporting pieces 5 is equal to the radius of each supporting piece 5.
The support pieces 5 are in a gallery state, four support pieces 5 form a group, the support pieces 5 are axially arranged, two ends of each support piece 5 are divided into two sides located on the road surface, the support pieces 5 can form a gallery shape, the support pieces 5 cover the upper portion of the road surface, the support pieces can be used for supporting growth of vine plants to form a landscape gallery, and attractiveness of the sand-soil road with an ecological function is improved.
The plurality of supporting members 5 are in a guardrail-long corridor composite state, and the plurality of supporting members 5 may be divided into a plurality of guardrail supporting members and a plurality of long corridor supporting members. The two guardrail supports form a group, the plurality of groups of guardrail supports are respectively arranged on two sides of the pavement in two rows, and one end of one group of guardrail supports coincides with the circle center of the other group of guardrail supports in the adjacent two groups of guardrail supports, namely, the distance between the circle centers of the two adjacent groups of guardrail supports is equal to the radius of each group of guardrail supports; four gallery support members constitute a set of, multiunit gallery support member is arranged along the axial, and every group long gallery support member's both ends divide into the both sides that are located the road surface for multiunit long gallery support member can form the gallery shape, multiunit gallery support member covers in the top on road surface.
It should be noted that, the support members 5 are detachably connected with the ground and two adjacent support members 5 in each adjacent group, so that the plurality of support members 5 can be freely switched among the guardrail state, the long corridor state and the guardrail long corridor composite state.
For example, when the supporting members 5 are switched from the guardrail state to the gallery state, taking two groups of supporting members 5 with opposite positions on two sides of the pavement as an example, the first group of supporting members 5 and the second group of supporting members 5 respectively, one ends of the first group of supporting members 5 and the second group of supporting members 5 corresponding to the ground can be separated, and then the ends of the first group of supporting members 5 and the second group of supporting members 5 separated from the ground are connected, so that four supporting members 5 in total in the first group of supporting members 5 and the second group of supporting members 5 form a group and cover the upper part of the pavement, thereby completing the switching of the supporting members 5 from the guardrail state to the gallery state.
When the supporting pieces 5 are switched from the guardrail state to the guardrail corridor state, taking four groups of supporting pieces 5 with opposite positions on two sides of a road surface as examples, namely a first group of supporting pieces 5, a second group of supporting pieces 5, a third group of supporting pieces 5 and a fourth group of supporting pieces 5, wherein the first group of supporting pieces 5 and the third group of supporting pieces 5 are positioned on one side of the road surface, the second group of supporting pieces 5 and the fourth group of supporting pieces 5 are positioned on the other side of the road surface, one ends corresponding to the first group of supporting pieces 5 and the second group of supporting pieces 5 can be separated from the ground, and then the ends, separated from the ground, of the first group of supporting pieces 5 and the second group of supporting pieces 5 are connected, so that a group of four supporting pieces 5 are formed in total in the first group of supporting pieces 5 and the second group of supporting pieces 5 and are covered above the road surface, the structures of the first group of supporting pieces 5 and the second group of supporting pieces 5 are unchanged, and the structures of the third group of supporting pieces 5 and the fourth group of supporting pieces are used as guardrail supporting pieces, and then the guardrail supporting pieces 5 are switched from the guardrail state to the guardrail corridor state. It should be noted that, when the supporting members 5 are in the guardrail state, the distance between the centers of the two adjacent groups of supporting members 5 is equal to the radius of each group of supporting members 5, and when the guardrail is switched from the guardrail state to the guardrail gallery state, the distance between the centers of the two adjacent groups of supporting members is equal to the radius of each group of supporting members, that is, the distance between the supporting members 5 of each group is increased, but the formed guardrail is still in a continuous state.
To avoid severe water accumulation on the road surface in rainy days, an arch shape may be used for the cross-sectional shape of the road surface, for example. Like this, adopt the arch road surface, can be convenient for rainwater from road surface central authorities flow to road surface both sides to can avoid rainy day road surface ponding seriously.
Considering that the rainwater is abundant water resource, in order to effectively utilize the rainwater, the sand road with ecological function further comprises a water guide component 6, a side ditch 7 with an opening at the top and a plant planting container 4 with an opening at the bottom, wherein the side ditch 7 is arranged on two sides of a road surface, the water guide component 6 is arranged at the opening of the side ditch 7, the plant planting container 4 is arranged on the water guide component 6, and the side wall of the plant planting container 4 and the water guide component 6 form a cavity for accommodating plants. In rainy days, the rainwater on the road surface flows into the side ditch 7 and is stored in the side ditch 7, and at the moment, the water in the plant planting container 4 is sufficient, so that the rainwater in the side ditch 7 basically cannot be diffused into the plant planting container 4 through the water guide component 6, and conversely, the redundant rainwater in the plant planting container 4 can also flow into the side ditch 7 through the water guide component 6 and be stored; on sunny days, the water in the plant planting container 4 is lack, and the rainwater in the side ditch 7 can diffuse into the plant planting container 4 through the water guide component 6, so that the humidity in the plant planting container 4 can be improved.
The structure of the water guide assembly 6 specifically includes a plurality of support nets and a water guide layer (e.g., a sponge layer) provided between two adjacent support nets. On the one hand, the setting of support net can improve the overall structure intensity of water guide assembly 6, and on the other hand, locates the water guide layer between the adjacent two-layer support net and can realize the rainwater circulation between side ditch 7 and the plant cultivation container 4.
Example 1
The components (mass percent) of the raw materials of the macadam base layer of the sand road with the ecological function in the embodiment comprise: 70% graded sand gravel A+24% stone powder+6% clay.
The first sand surface layer comprises the following raw materials in percentage by mass: 45% of graded gravel, 30% of yellow sand, 20% of clay and 5% of guami stone, and the dosage of the liquid curing agent is 1.8kg/m 2 。
The raw materials of the second sand surface layer comprise 85% of graded sand stone and 15% of yellow sand by mass percent, and the dosage of the liquid curing agent is 0.48kg/m 2 。
The thickness of the broken stone base layer is 150mm, the thickness of the first sand surface layer is 80mm, and the thickness of the second sand surface layer is 5mm.
The porosity ratio of the first sand surface layer to the second sand surface layer is 2:1.
Example two
The components (mass percent) of the raw materials of the macadam base layer of the sand road with the ecological function in the embodiment comprise: 70% graded sand gravel A+24% stone powder+6% clay.
The first sand surface layer comprises the following raw materials in percentage by mass: 15% of graded gravel, 45% of yellow sand, 30% of clay and 10% of guami stone, and the dosage of the liquid curing agent is 1.5kg/m 2 。
The raw materials of the second sand surface layer comprise 86% of graded sand stone and 14% of yellow sand by mass percent, and the dosage of the liquid curing agent is 0.52kg/m 2 。
The thickness of the broken stone base layer is 160mm, the thickness of the first sand surface layer is 60mm, and the thickness of the second sand surface layer is 8mm.
The porosity ratio of the first sand surface layer to the second sand surface layer is 1.5:1.
Example III
The components (mass percent) of the raw materials of the macadam base layer of the sand road with the ecological function in the embodiment comprise: 70% graded sand gravel A+20% stone powder+10% clay.
The first sand surface layer comprises the following raw materials in percentage by mass: 45% of graded gravel, 45% of yellow sand and 10% of clay, and the dosage of the liquid curing agent is 1.7kg/m 2 。
The raw materials of the second sand surface layer comprise 85% of graded sand stone and 15% of yellow sand by mass percent, and the dosage of the liquid curing agent is 0.6kg/m 2 。
The thickness of the broken stone base layer is 155mm, the thickness of the first sand surface layer is 70mm, and the thickness of the second sand surface layer is 6mm.
The porosity ratio of the first sand surface layer to the second sand surface layer is 1.2:1.
Example IV
The components (mass percent) of the raw materials of the macadam base layer of the sand road with the ecological function in the embodiment comprise: 70% graded sand gravel A+24% stone powder+6% clay.
The first sand surface layer comprises the following raw materials in percentage by mass: graded gravel 40%, yellow sand 25%, clay 10% and cement 25%, the usage amount of the liquid curing agent is 2.0kg/m 2 。
The raw materials of the second sand surface layer comprise 89% of graded sand stone and 11% of yellow sand by mass percent, and the dosage of the liquid curing agent is 0.58kg/m 2 。
The thickness of the broken stone base layer is 150mm, the thickness of the first sand surface layer is 650mm, and the thickness of the second sand surface layer is 5mm.
The porosity ratio of the first sand surface layer to the second sand surface layer is 2.1:1.
Example five
The components (mass percent) of the raw materials of the macadam base layer of the sand road with the ecological function in the embodiment comprise: 70% graded sand gravel A+24% stone powder+6% clay.
The first sand surface layer comprises the following raw materials in percentage by mass: 20% of graded gravel, 45% of yellow sand, 15% of clay and 20% of cement, and the dosage of the liquid curing agent is 1.7kg/m 2 。
The raw materials of the second sand surface layer comprise 90% of graded sand stone andyellow sand 10%, liquid curing agent 0.52kg/m 2 。
The thickness of the broken stone base layer is 160mm, the thickness of the first sand surface layer is 55mm, and the thickness of the second sand surface layer is 8mm.
The porosity ratio of the first sand surface layer to the second sand surface layer is 2:1.
The performance tests of examples one to five of the present invention are shown in table 1.
Table 1 performance test of examples one to example five sandy soil paths
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The sand-soil road with the ecological function is characterized by comprising a roadbed and a road surface arranged on the upper surface of the roadbed, wherein a road groove is formed in the roadbed, and the road surface comprises a broken stone base layer, a first sand surface layer and a second sand surface layer which are sequentially paved in the road groove;
the first sand surface layer comprises the following raw materials in percentage by mass: 10-45% of graded gravel, 20-50% of yellow sand and 10-30% of clay;
the raw materials of the second sand surface layer comprise 85-90% of graded sand stone and 10-15% of yellow sand in percentage by mass;
the sand road further comprises a plurality of arc-shaped supporting pieces, the central angle of each supporting piece is 90 degrees, and the supporting pieces are in a guardrail state, a long corridor state and a guardrail long corridor state;
the supporting pieces are in a guardrail state, two supporting pieces form a group, the supporting pieces are arranged on two sides of a road surface in two rows respectively, and one end of one supporting piece is overlapped with the circle center of the other supporting piece in two adjacent supporting pieces;
the support members are in a gallery state, four support members form a group, a plurality of groups of support members are axially arranged, two ends of each group of support members are respectively positioned at two sides of a road surface, and the plurality of groups of support members cover the upper part of the road surface;
the support pieces are in a guardrail gallery composite state, the support pieces are divided into a plurality of guardrail support pieces and a plurality of gallery support pieces, two guardrail support pieces form a group, the plurality of guardrail support pieces are respectively arranged on two sides of a road surface in two rows, and one end of one guardrail support piece is overlapped with the circle center of the other guardrail support piece in two adjacent guardrail support pieces; the four long corridor support pieces form a group, the multiple groups of long corridor support pieces are axially arranged, two ends of each group of long corridor support pieces are respectively positioned at two sides of a road surface, so that the multiple groups of long corridor support pieces form a long corridor shape, and the multiple groups of long corridor support pieces cover the upper part of the road surface;
the supporting pieces are detachably connected with the ground and two adjacent supporting pieces in each adjacent group, so that the supporting pieces are freely switched among a guardrail state, a long corridor state and a guardrail long corridor composite state;
when the supporting pieces are switched from the guardrail state to the gallery state, two groups of supporting pieces with opposite positions on two sides of the road surface are respectively a first group of supporting pieces and a second group of supporting pieces, one ends of the first group of supporting pieces and the second group of supporting pieces, which correspond to each other, are separated from the ground, and then the ends of the first group of supporting pieces and the second group of supporting pieces, which are separated from the ground, are connected, so that four supporting pieces in total in the first group of supporting pieces and the second group of supporting pieces form a group, and the four supporting pieces cover the upper part of the road surface, and the supporting pieces are switched from the guardrail state to the gallery state;
when the supporting pieces are switched from the guardrail state to the guardrail long corridor state, four groups of supporting pieces with opposite positions on two sides of the pavement are respectively a first group of supporting pieces, a second group of supporting pieces, a third group of supporting pieces and a fourth group of supporting pieces, wherein the first group of supporting pieces and the third group of supporting pieces are positioned on one side of the pavement, the second group of supporting pieces and the fourth group of supporting pieces are positioned on the other side of the pavement, one ends corresponding to the first group of supporting pieces and the second group of supporting pieces are separated from the ground, then the ends, separated from the ground, of the first group of supporting pieces and the second group of supporting pieces are connected, so that the four supporting pieces in total form a group, the first group of supporting pieces and the second group of supporting pieces are covered on the pavement, the first group of supporting pieces and the second group of supporting pieces are used as long corridor supporting pieces, the structures of the third group of supporting pieces and the fourth group of supporting pieces are unchanged, and serve as guardrail supporting pieces, and the supporting pieces are switched from the guardrail state to the guardrail long corridor state; when the supporting pieces are in the guardrail state, the distance between the circle centers of the two adjacent groups of supporting pieces is equal to the radius of each group of supporting pieces, when the guardrail is switched to the guardrail gallery state from the guardrail state, the distance between the circle centers of the two adjacent groups of guardrail supporting pieces is equal to the radius of each group of guardrail supporting pieces, the distance between the two adjacent groups of supporting pieces is increased, and the formed guardrail is still in a continuous state.
2. The ecologically functional sand road of claim 1 wherein the second sand facing has a porosity that is less than the porosity of the first sand facing.
3. The sand road with the ecological function according to claim 1, wherein the raw materials of the first sand surface layer further comprise, in mass percent: 5 to 10 percent of Guami stone.
4. The sand road with the ecological function according to claim 1, wherein the raw materials of the first sand surface layer further comprise, in mass percent: 20-25% of cement.
5. The ecologically functional sand road of claim 1 wherein the ramming coefficient of the sand road is greater than or equal to 94%.
6. The ecologically functional sand road of claim 1 wherein the sand road has a modulus of resilience of 100 to 120MPa.
7. The ecologically functional sand road of any one of claims 1-6 wherein a liquid curative is sprayed into the first sand facing and/or the second sand facing.
8. The ecologically functional sand road of claim 7 wherein the first sand surface layer has an addition of liquid curing agent of 1.5-2.0 kg/m 3 。
9. The sand road with ecological function according to claim 7, characterized in that the addition amount of the liquid curing agent of the second sand surface layer is 0.4-0.6 g/m 3 。
10. The sand road with ecological function according to claim 7, wherein the second sand surface layer is laid by the following method:
spreading graded sand and compacting;
spraying liquid curing agent for the first time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 ；
Standing for 3-5 days, spraying liquid curing agent for the second time, wherein the dosage of the liquid curing agent is 0.2-0.3 kg/m 3 ；
And then spreading yellow sand to finish the laying of the second sand surface layer.
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| CN107740324A (en) * | 2017-12-08 | 2018-02-27 | 芜湖德司节能科技有限公司 | A kind of osmosis type ecological pavement construction method for sponge city |
| CN108221533A (en) * | 2016-12-10 | 2018-06-29 | 河北盛德建筑工程有限公司 | A kind of laying method in backroad face |
| CN109680582A (en) * | 2018-11-28 | 2019-04-26 | 新沂市大明科技开发有限公司 | A kind of permeable garden path structure |
| CN111794039A (en) * | 2020-06-15 | 2020-10-20 | 广东省水利水电科学研究院 | Road with seepage and storage functions and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3764240B2 (en) * | 1997-02-18 | 2006-04-05 | 日本道路株式会社 | Pedestrian system pavement structure |
| JP3691043B2 (en) * | 2003-12-19 | 2005-08-31 | 細川エクステリア株式会社 | Paving method and paving ground |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108221533A (en) * | 2016-12-10 | 2018-06-29 | 河北盛德建筑工程有限公司 | A kind of laying method in backroad face |
| CN107740324A (en) * | 2017-12-08 | 2018-02-27 | 芜湖德司节能科技有限公司 | A kind of osmosis type ecological pavement construction method for sponge city |
| CN109680582A (en) * | 2018-11-28 | 2019-04-26 | 新沂市大明科技开发有限公司 | A kind of permeable garden path structure |
| CN111794039A (en) * | 2020-06-15 | 2020-10-20 | 广东省水利水电科学研究院 | Road with seepage and storage functions and construction method thereof |
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