CN108901648A - Ecological grass mat and its construction method protected for soil-slope - Google Patents

Ecological grass mat and its construction method protected for soil-slope Download PDF

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Publication number
CN108901648A
CN108901648A CN201810549033.XA CN201810549033A CN108901648A CN 108901648 A CN108901648 A CN 108901648A CN 201810549033 A CN201810549033 A CN 201810549033A CN 108901648 A CN108901648 A CN 108901648A
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CN
China
Prior art keywords
slope
soil
seedling
grass mat
ecological grass
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Application number
CN201810549033.XA
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Chinese (zh)
Inventor
聂磊
邹浩
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China 22MCC Group Corp Ltd
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China 22MCC Group Corp Ltd
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Priority to CN201810549033.XA priority Critical patent/CN108901648A/en
Publication of CN108901648A publication Critical patent/CN108901648A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • A01G20/10Pre-cultivated sod or turf; Apparatus therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122Flexible prefabricated covering elements, e.g. mats, strips
    • E02B3/125Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of vegetable material, e.g. wood, reeds
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/202Securing of slopes or inclines with flexible securing means

Abstract

The present invention relates to a kind of ecological grass mat and its for the construction method of soil-slope protection.The ecological grass mat is crossed suture sewer and is formed by the upper sizing net, natural plant fibre layer, lower sizing Netcom stacked gradually, and main material is plant fiber, and auxiliary sizing net is nontoxic, degradable PP net, not will cause environmental pollution;Ecological grass mat laying is convenient and efficient, and speed of application is far longer than other protection forms;Ecological grass mat is layed in above soil and seed, it is ensured that temperature, the humidity of soil meet the condition of vegetable seeds growth.The present invention protects soil-slope using ecological grass mat, meet the requirement that country advocates environmental protection energetically, it can effectively prevent the destruction and soil erosion of side slope, make greening and protection perfect combination, and it is cheap, it is the ideal method for replacing traditional bricklaying protection of the pollution environment such as mortar flag stone, six rib block of concrete.

Description

Ecological grass mat and its construction method protected for soil-slope
Technical field
The present invention relates to the engineerings soil property protecting slope ecology such as railway, highway, river regulation, specifically a kind of ecological grass mats And its construction method for soil-slope protection.
Background technique
Currently, the principal mode of side slope protection has traditional bricklaying protection and two kinds of ecological protection, traditional bricklaying protection includes Six rib block of mortar flag stone and concrete hollow etc., these materials will cause environmental pollution in production, transport and construction;Ecology Protection includes direct-seeding plant seed, alien earth sparging, plant ecological bag etc., direct-seeding plant seed protection form before plant germination, Slope surface is easy to be led to soil erosion by erosion by wind and rain, vegetable seeds floats to walk to wait scenes with wind and rain there is no any safeguard procedures Occur;Plant ecological bag protection form is since its main material is that dark color is in the majority, and in hot weather, ecology bag can largely absorb Heat is simultaneously transmitted to soil in bag, leads to soil hardening, controls vegetable seeds normal growth.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ecological grass mat and its for the construction party of soil-slope protection Method, in a manner of the traditional bricklaying protection of substitution and the contour cost side slope protection of plant ecological bag.
The technical solution used to solve the technical problems of the present invention is that:
A kind of ecological grass mat, including upper sizing net, natural plant fibre layer, lower sizing net, the upper sizing net, natural plants Fibrous layer, lower sizing net stack gradually, and are sewed together by suture, and upper sizing net, lower sizing net are degradable net.
A kind of construction method protected with the ecological grass mat soil-slope, includes the following steps:
(1)Surveying setting-out:Segmentation unwrapping wire is carried out according to design requirement, roadbed side slope ratio of slope, offline in side slope is determined, guarantees roadbed The smoother property of the linear smooth and side slope globality of vertical, horizontal;
(2)Soil property detection:Understand live slope surface and soil property situation, Soil Slope ingredient is determined by sample detection;
(3)Brush slope:It is offline on guarantee base slope gradient, side slope to meet using mechanically or manually smooth to slope surface progress and cleaning Design requirement guarantees that slope surface is neat, no-sundries, no pit-hole, no bulk soil stone;
(4)Seedling cuttage:The mode for taking cross to arrange flowers carries out cuttage, and adjacent seedling cave is horizontal, longitudinal pitch is no more than 600mm, The seedling cave of diameter 200-300mm is dug out in slope surface, then fills two plants of seedling plants after the completion of plant with water in each seedling cave Full seedling cave;
(5)Sloping surface arrangement:After the water in seedling cave sufficiently gos deep into soil, manually seedling cave is filled and led up, slope surface is made to restore smooth;
(6)Seedling cuts:The seedling for being higher by slope surface is cut, so as to the laying of careless blanket;
(7)Fabric:It is selected according to live soil condition and local climate and is suitble to growing plants seed, take draft+pulse family+filling The scheme that the seed of wood is mixed in a certain ratio, manually uniformly sows vegetable seeds in slope surface;
(8)Careless blanket is laid with:Careless blanket is unfolded to be laid with from top to bottom, careless blanket is adjacent to slope surface and in half tensioned state without hanging, Carpet surface keeps smooth, corrugationless phenomenon;
(9)Overlap joint:Two blanket junctions overlapping overlap joint, lap width are not less than 100mm and take the side of pressure up and down when splicing Formula overlap joint when left and right overlaps, determines overlap joint sequence according to wind direction;
(10)It is fixed:Top of the slope slope foot is fixed using the buried mode of excavated by manual work ditch, and using the fixed careless blanket of U sprig, the U-shaped nail of carpet surface is used Amount is every square metre no less than 3, and Cao Tan lap-joint is prolonged overlapping the slot direction and fixed using U-shaped nail, and U-shaped nail spacing is not more than 500mm;
(11)Maintenance:Ecological grass mat laying finishes, and carries out water seasoning, on schedule to keep ground moistening.
The present invention by adopting the above technical scheme, compared with prior art, the beneficial effect is that:
Its main material of ecological grass mat of the invention belongs to plant fiber, and auxiliary sizing net is using nontoxic, degradable PP Net not will cause environmental pollution;Ecological grass mat laying is convenient and efficient, and speed of application is far longer than other protection forms;Ecological grass Blanket is layed in above soil and seed, it is ensured that temperature, the humidity of soil meet the condition of vegetable seeds growth.
The present invention protects soil-slope using ecological grass mat, meets the requirement that country advocates environmental protection energetically, can have Effect prevents the destruction and soil erosion of side slope, makes greening and protection perfect combination, and cheap, is calculated roughly, ecological grass The cost of blanket protection is no more than 1/3, the 1/2 of other ecological protection forms of traditional bricklaying protection(Except direct-seeding plant seed), It is the ideal method for replacing traditional bricklaying protection of the pollution environment such as mortar flag stone, six rib block of concrete.
Detailed description of the invention
Fig. 1 is ecological grass mat structural schematic diagram described in the embodiment of the present invention;
Fig. 2 is that careless blanket is laid with, overlaps and fixes schematic diagram;
Fig. 3 is that have grass-seed plant fiber ecological grass mat structural schematic diagram;
In figure:It is formed on 1. net;2. natural plant fibre layer;3. lower net of being formed;4. sowing seed mixture and auxiliary material layer;5. nutrition Paper;6.U sprig;7. ecological grass mat;8. side slope.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, ecological grass mat 7 described in the present embodiment, by upper sizing net 1, the natural plant fibre layer stacked gradually 2, lower sizing net 3 is formed by suturing sewer, and upper sizing net 1, lower sizing net 3 are nontoxic, degradable net(PP net).This life State grass blanket 7 belongs to no grass-seed plant fiber ecological grass mat structure.
Referring to fig. 2, the construction method protected with above-mentioned ecological grass mat 7 soil-slope 8, carries out in the steps below:
(1)The laying of ecological grass mat 7 preferably after the completion of roadbed, drain tank construction, carries out before road shoulder stone, slope foot Retaining wall, with Just keep the fixation of ecological grass mat 7 more firm using the pressure of road shoulder stone, slope foot barricade;
(2)Preparation of construction:Ecological grass mat 7, vegetable seeds storage space require smooth, dry;
(3)Surveying setting-out:Segmentation unwrapping wire is carried out according to design requirement, 8 ratio of slope of roadbed side slope, offline in side slope 8 is determined, guarantees road The smoother property of linear smooth and 8 globality of side slope of base vertical, horizontal;
(4)Earthing:If roadbed is pure stone roadbed, then need to cover mellow soil in stone slope, thickness is not less than 100mm, and takes Soil samples and detecting;
(5)Soil property detection:Understand live slope surface and soil property situation, determines Soil Slope ingredient by modes such as sample detections;
(6)Breeding:Without specific breeding scheme such as in design, then it must be selected according to live soil condition and local climate and be suitble to growth Vegetable seeds and seedling, and determine specific proportion, draft+pulse family+shrub seed generally taken to be mixed in a certain ratio, with The scheme that shrub seedling cuttage combines;
(7)Brush slope:It is offline on guarantee base slope gradient, side slope to meet using mechanically or manually smooth to slope surface progress and cleaning Design requirement guarantees that slope surface is neat, and no-sundries, no pit-hole, no bulk soil stone etc., outward transport is cleared up in the extra earthwork in time;
(8)Seedling cuttage:Such as without specific design requirement, then the mode for taking cross to arrange flowers carries out cuttage, and adjacent seedling cave is horizontal, longitudinal Spacing must not exceed 600mm.The seedling cave for digging out diameter 200-300mm in slope surface using tools such as spade, spades, then by two Strain seedling plant must fill seedling cave in each seedling cave with water after the completion of plant.
(9)Sloping surface arrangement:After the water in seedling cave sufficiently gos deep into soil, manually seedling cave is filled and led up, slope surface is made to restore smooth;
(10)Seedling cuts:The seedling for being higher by slope surface is cut, so as to the laying of careless blanket;
(11)Fabric:According to seed mix proportion scheme, vegetable seeds is manually uniformly sowed in slope surface, such as scene needs, and broadcasts together Broadcast application material, water-retaining agent etc.;
(12)Careless blanket is laid with:Careless blanket is unfolded to be laid with from top to bottom, careless blanket is adjacent to slope surface and in half tensioned state without hanging, Carpet surface keeps smooth, corrugationless phenomenon;
(13)Overlap joint:Two blanket junctions overlapping overlap joint, lap width are not less than 100mm and take the side of pressure up and down when splicing Formula overlap joint when left and right overlaps, determines overlap joint sequence according to wind direction;
(14)It is fixed:Top of the slope slope foot is fixed using the buried mode of excavated by manual work ditch, utilizes the fixed careless blanket of U sprig 6, the U-shaped nail 6 of carpet surface Dosage is every square metre no less than 3, and Cao Tan lap-joint is prolonged overlapping the slot direction and fixed using U-shaped nail 6, and 6 spacing of U-shaped nail are little In 500mm;
(15)Maintenance:
The laying of ecological grass mat 7, which finishes, can carry out water seasoning.Seed is from rudiment to during seedling, it is necessary to carry out artificial watering and support Shield, to keep ground moistening.Watering requires to be determined by budding time, Seedling Stage, three periods of growth period.
Budding time:Careless blanket, which is laid with, to be completed, it is whole and comprehensive pour one time it is permeable, with sharp seed germination;
Seedling Stage:The daily morning is needed once to be sprayed after germination, sprinkling irrigation requires to be energy in 0~20cm of soil thickness Remain wet, with benefit emergence and neat seedling, this process continues 14 to 21 days, Climate Dryness cryogenic region need to extend to 1 month or 45 days or so;
Growth period:This period can gradually decrease irrigation times, and can be adjusted according to precipitation event.Watering time is preferably arranged in It is disposably watered with and irrigates afternoon, pouring water quality standard is to reach drenched soil layer 10cm or more, to improve the toughness of cauline leaf, is promoted Its normal growth and development.
In addition, also coping with its fertilising in due course during slope-protecting plant is grown into and prevention and treatment pest and disease damage, fertilising being adhered to The principle of " repeatedly a small amount of ".After maintenance one month, grass planting growing state should be checked comprehensively, while observing pest and disease damage and locality open country Careless growing state finds spray and herbicide in time in time, obvious to growth uneven or sparse without careless area progress after-culture grass seeds.
It is that one kind has grass-seed plant fiber ecological grass mat structure, natural plant fibre layer 2 and lower sizing net referring to Fig. 3, Fig. 3 Sowing seed mixture and auxiliary material layer 4, nutrition paper 5 are sequentially arranged between 3, upper sizing net 1, the natural plant fibre layer stacked gradually 2, sowing seed mixture and auxiliary material layer 4, nutrition paper 5, lower sizing net 3 are sewed integral by suture.
The advantages of ecological grass mat 7:
1. the pulling force by itself protects slope surface from rain drop erosion, long-term anti-current speed 1.2-1.8m/s, short-term anti-current scooter 3m/s prevents soil erosion caused by flowing through surface water;
2. Resistance to wind Erosion is strong:The roughness of its roughness ratio drift sand is 600 times high, and sedimentary loading reduces 99%, and wind resistance speed reaches 10m/s, It can be the condition of revegetation suitable growth under harsh climate environment, and can effectively avoid fugitive dust existing in the construction process The generation of elephant, may replace Air Filter;
3. effectively inhibiting the evaporation of soil moisture, guarantee soil moisture and temperature, there is good gas permeability, and be avoided that sunlight Direct projection is conducive to plant early growth;
4. all material of ecological grass mat all have the characteristics that it is nontoxic, pollution-free, degradable, and stalk, coconut palm palm fibre and setting net(PP Net)Due to degradation cycle difference, can contain in the organic matter that plant growth different times persistently provide for it nutrient and increase soil Amount, until ecological grass mat all complete by degradation;
5. slope of highway can adsorption vehicle tail gas to a certain extent using the ecological grass mat of addition carbon particle;
6. low cost, either material cost or construction cost are all sprayed well below traditional bricklaying protection and other such as soil moved in improve the originals It broadcasts, the Green Protections mode such as plant biological bag, 1/3 of overall cost less than other protection methods;
7. construction is simple is quick, it is greatly facilitated plant growth, and hardly influenced by soil property and roadbed height;
8. road and rail two sides soil property gutter can also be laid with ecological grass mat;
9. ecological grass mat also has great application prospect in the engineerings such as afforestation, mine reclamation, desertification treatment.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention, Equivalence changes made by all contents with description of the invention, are intended to be included within the scope of the present invention.

Claims (4)

1. a kind of ecological grass mat, it is characterised in that:Including upper sizing net, natural plant fibre layer, lower sizing net, described is upper fixed Type net, natural plant fibre layer, lower sizing net stack gradually, and are sewed together by suture, upper sizing net, lower sizing net be can Degradation net.
2. ecological grass mat according to claim 1, it is characterised in that:Between natural plant fibre layer and lower sizing net successively Arrange sowing seed mixture and auxiliary material layer, nutrition paper.
3. a kind of construction method protected with ecological grass mat described in claim 1 soil-slope, which is characterized in that packet Include following step:
(1)Surveying setting-out:Segmentation unwrapping wire is carried out according to design requirement, roadbed side slope ratio of slope, offline in side slope is determined, guarantees roadbed The smoother property of the linear smooth and side slope globality of vertical, horizontal;
(2)Soil property detection:Understand live slope surface and soil property situation, Soil Slope ingredient is determined by sample detection;
(3)Brush slope:It is offline on guarantee base slope gradient, side slope to meet using mechanically or manually smooth to slope surface progress and cleaning Design requirement guarantees that slope surface is neat, no-sundries, no pit-hole, no bulk soil stone;
(4)Seedling cuttage:The mode for taking cross to arrange flowers carries out cuttage, and adjacent seedling cave is horizontal, longitudinal pitch is no more than 600mm, The seedling cave of diameter 200-300mm is dug out in slope surface, then fills two plants of seedling plants after the completion of plant with water in each seedling cave Full seedling cave;
(5)Sloping surface arrangement:After the water in seedling cave sufficiently gos deep into soil, manually seedling cave is filled and led up, slope surface is made to restore smooth;
(6)Seedling cuts:The seedling for being higher by slope surface is cut, so as to the laying of careless blanket;
(7)Fabric:It is selected according to live soil condition and local climate and is suitble to growing plants seed, take draft+pulse family+filling The scheme that the seed of wood is mixed in a certain ratio, manually uniformly sows vegetable seeds in slope surface;
(8)Careless blanket is laid with:Careless blanket is unfolded to be laid with from top to bottom, careless blanket is adjacent to slope surface and in half tensioned state without hanging, Carpet surface keeps smooth, corrugationless phenomenon;
(9)Overlap joint:Two blanket junctions overlapping overlap joint, lap width are not less than 100mm and take the side of pressure up and down when splicing Formula overlap joint when left and right overlaps, determines overlap joint sequence according to wind direction;
(10)It is fixed:Top of the slope slope foot is fixed using the buried mode of excavated by manual work ditch, and using the fixed careless blanket of U sprig, the U-shaped nail of carpet surface is used Amount is every square metre no less than 3, and Cao Tan lap-joint is prolonged overlapping the slot direction and fixed using U-shaped nail, and U-shaped nail spacing is not more than 500mm;
(11)Maintenance:Ecological grass mat laying finishes, and carries out water seasoning, on schedule to keep ground moistening.
4. the construction method according to claim 3 protected with ecological grass mat soil-slope, it is characterised in that:Step Suddenly(11)The water seasoning phase, including budding time, Seedling Stage, growth period, specifically:
Budding time:Careless blanket, which is laid with, to be completed, it is whole and comprehensive pour one time it is permeable, with sharp seed germination;
Seedling Stage:The daily morning is once sprayed after germination, makes to keep wet in 0~20cm of soil thickness, with Benefit emergence and neat seedling, this process continues 14 to 21 days, and Climate Dryness cryogenic region extends to 1 month or 45 days;
Growth period:Irrigation times are gradually decreased, and are adjusted according to precipitation event;Pouring water quality standard is to reach drenched soil layer 10cm or more promotes its normal growth and development to improve the toughness of cauline leaf.
CN201810549033.XA 2018-05-31 2018-05-31 Ecological grass mat and its construction method protected for soil-slope Pending CN108901648A (en)

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CN201810549033.XA CN108901648A (en) 2018-05-31 2018-05-31 Ecological grass mat and its construction method protected for soil-slope

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Application Number Priority Date Filing Date Title
CN201810549033.XA CN108901648A (en) 2018-05-31 2018-05-31 Ecological grass mat and its construction method protected for soil-slope

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110240279A (en) * 2019-06-25 2019-09-17 水生藻安生物科技(武汉)有限公司 A kind of artificial substrate system suitable for reducing water body concentration of nitrogen and phosphorus
CN111894015A (en) * 2020-08-14 2020-11-06 四川川交路桥有限责任公司 Plant fiber blanket side ditch construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110240279A (en) * 2019-06-25 2019-09-17 水生藻安生物科技(武汉)有限公司 A kind of artificial substrate system suitable for reducing water body concentration of nitrogen and phosphorus
CN111894015A (en) * 2020-08-14 2020-11-06 四川川交路桥有限责任公司 Plant fiber blanket side ditch construction method

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