CN111894015A - Plant fiber blanket side ditch construction method - Google Patents
Plant fiber blanket side ditch construction method Download PDFInfo
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- CN111894015A CN111894015A CN202010816017.XA CN202010816017A CN111894015A CN 111894015 A CN111894015 A CN 111894015A CN 202010816017 A CN202010816017 A CN 202010816017A CN 111894015 A CN111894015 A CN 111894015A
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- grass
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- 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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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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
- E01C3/00—Foundations for pavings
Abstract
The invention discloses a plant fiber blanket side ditch construction method, which comprises the steps of measuring and designing side ditch flowing water elevation, leveling original ground, measuring and lofting, excavating side ditches, inspecting the side ditches, chiseling the side ditches, manually sowing grass seeds, paving a plant fiber blanket, covering and maintaining non-woven fabrics, watering and maintaining, checking and accepting; the construction method has the advantages that the construction speed is high, the difficulty of the traditional masonry protection construction is reduced, the cross construction influence is reduced, and the safety benefit is better; the construction method can reduce wind-blown sand dust on sandy soil slopes in the early stage; the rainwater erosion resistance of the sandy soil side ditch can be improved in an early stage; can improve the soil constitution, increase the soil nutrient and improve the plant growth condition: the water and soil loss is effectively controlled, and the early maintenance cost is reduced; the construction speed is high, and the project progress is accelerated; the method is low-carbon, energy-saving and environment-friendly, and accords with the national energy-saving and emission-reduction policy; the effects of water seepage and water volatilization of the ditch are separately played, and the problem of difficult drainage in plain areas is solved.
Description
Technical Field
The invention relates to the technical field of roads and bridges, in particular to a plant fiber blanket side ditch construction method.
Background
At present, the roadbed side ditch of the expressway in the plain area of China adopts masonry protection or grass planting protection, but the masonry protection ecological effect is poor, the construction difficulty is large, the efficiency is low, and the construction progress is influenced. The three-dimensional net hydraulic spray-seeding maintenance cost is higher and the survival rate is low. Especially in the silt region, the defects of the method are particularly obvious because the soil quality is loose and the soil is poor.
Therefore, it is expected that highway builders will find a convenient and effective way to overcome the above problems. The plant fiber blanket has the advantages of high construction speed, high efficiency, quick response, low carbon, environmental protection, energy conservation, ecology and the like. The quick-speed second-stage project of the western and mechanical provinces is in the Huang-Huai Chong Hongshui plain, the ditches and rivers along the line are few, most ditches and rivers are used for irrigation, the ditches cannot be used for side ditch drainage, and the side ditches required to be designed have the functions of evaporation and water seepage. And the soil along the line is silt soil, so that the plant fiber blanket is suitable for being adopted, and the plant fiber blanket side ditch has great advantages.
Disclosure of Invention
The invention aims to: aiming at the problems, the plant fiber blanket side ditch construction method is provided, and the problems that in the prior art, the masonry protection ecological effect is poor, the construction difficulty is high, the efficiency is low, and the side ditch drainage is not facilitated are solved.
The invention is realized by the following scheme:
a plant fiber blanket side ditch construction method comprises the following steps: measuring, designing the flowing water elevation of the side ditch, leveling the original ground, measuring and lofting, excavating the side ditch, inspecting the soil side ditch, chiseling the side ditch, manually broadcasting grass seeds, paving a plant fiber blanket, covering non-woven fabrics, preserving health, watering, maintaining, checking and accepting.
Preferably, the step of covering and curing the nonwoven fabric includes a step of treating the nonwoven fabric,
1) and a non-woven fabric treatment step: covering non-woven fabrics 2-3 days after spray seeding, laying the non-woven fabrics from top to bottom on a vertical surface, wherein the overlapping position is 5cm, oppositely inserting the steel nails along the middle position of the overlapping position of the two non-woven fabrics in a manner of inclining left and right and clinging to a slope surface when the steel nails are fixed, and the distance between the steel nails is 100 cm; reserving redundant 20cm non-woven fabrics at the top of the slope and compacting and fixing the non-woven fabrics by soil; thirdly, when the non-woven fabric is fixed, the slope surface can not be stepped on for fixing.
Preferably, the step of covering and curing the non-woven fabric comprises a step of curing the non-woven fabric and the grass seeds;
2) and maintaining the non-woven fabrics and the grass seeds:
planning personnel and preparing water sources and appliances;
secondly, immediately sprinkling water for maintenance after the non-woven fabric is fixed, watering for early-stage maintenance for a small amount of times, and watering in a rain-like manner during watering to prevent grass seeds from being washed away;
thirdly, curing time and times are as follows: the early-stage maintenance of seeds is generally 30 days, the wetting depth is controlled to be about 2cm in the germination period of 15 days, the seedling period is gradually increased to be more than 5cm according to the development of plant root systems, the watering maintenance is carried out for 1 time every 3 days in the early stage, the morning maintenance time is finished before 10 o 'clock, the afternoon maintenance is started after 16 o' clock, and the soil is always kept wet to promote the germination and growth of grass seeds;
fourthly, avoiding water spraying maintenance under strong sunlight so as to avoid physiological shortage and induction of plant diseases and insect pests; in high-temperature drought seasons, the sprouts and seedlings of the seeds are easy to be injured due to high temperature on the ground, and water spraying is properly added according to the conditions; rain or cloudy days can be reduced properly;
when the grass on the slope surface grows to 5-10 cm, removing the non-woven fabric and the bamboo nails for recycling;
sixthly, fertilizing properly and removing weeds in time according to the needs, providing nutrients for the growth of grass seeds and ensuring the smoothness and beauty of the side ditch slope;
seventhly, repairing the defects: in order to ensure the integral effect of the side ditch greening, the seedling lacking and damaging sections need to be repaired and reseeded in time, namely defect repairing is carried out;
performing later maintenance according to the standard requirements, and requiring that the plants grow well without diseases and insect pests to meet the expected landscape effect requirements; and summarizing maintenance rules, collecting and accumulating engineering construction experience, and providing a basis for later maintenance.
Preferably, in the step of excavating the gutter; in the step of manually broadcasting grass seeds, the grass seeds need to be selected and treated:
1) and selecting grass seeds: selecting perennial grass and shrub plant seeds with drought resistance, cold resistance, high temperature resistance, barren resistance and the like according to the position of the region, the climate characteristics and the soil characteristics, and determining alternative shrubs and herbaceous plants;
2) and (3) treating seeds: according to the pre-determined grass seed mixing proportion and one-time construction area, respectively soaking seeds in cold water, layering for accelerating germination, heating for accelerating germination, soaking in chemical medicines and the like according to different seed habits and construction requirements, so that the seeds are promoted to germinate in advance, and the germination rate is improved;
3) seed quality identification and proportioning: the mixing proportion of each mixed plant is determined according to the test sowing of the test section, and the construction is carried out; before broadcasting, the germination rate of seeds in batches is measured, and the actual seed using amount is calculated according to the measured area;
4) and special compound fertilizer: combining the quality of the side ditch soil, respectively designing special compound fertilizers (applying nitrogen, phosphorus and potassium base fertilizers) for the herbaceous plant communities and the woody plant communities to promote the growth of plants;
5) and manual broadcasting: before the plant fiber blanket is laid, a part of the mixed grass seeds are uniformly sown on the leveled slope surface.
Preferably, in the step of laying the plant fiber carpet, the grass carpet needs to be selected and treated:
1) and the specification of the grass blanket is as follows: the thickness of the coconut palm rice (wheat) straw mixed grass blanket is 10-30 mm, the density of the grass blanket is 240-260 g/m2, wherein the coconut palm content of the coconut palm rice (wheat) straw mixed grass blanket is more than or equal to 20%; the grass blanket structure: fiber webs (pp) spaced 1.5-2 cm apart; natural plant fibers; fiber nets (PP) spaced 1.5-2 cm apart;
2) and grass blanket transportation: during transportation, the silk screen is not broken by violent collision such as throwing, smashing and the like, and the silk screen is not broken by light handling and light placing; the grass blanket is not suitable for being stored for too long time, generally needs to be laid in time when being transported to a construction site, cannot be laid in time, needs to be stored in a ventilated and light-proof manner for no more than thirty days, and is far away from a fire source when being stored;
3) the paving method comprises the following steps: selecting grass blankets with corresponding strength according to the requirements of slope gradient and tensile strength of the side ditch slope surface; the grass blanket should extend 30cm at the top of the slope and be buried in the soil, then be tiled to the toe of the slope from top to bottom, the mutual overlap joint between the grass blanket, the overlap joint width is not less than 10cm, the grass blanket should closely paste domatic to fully with domatic contact, the grass blanket is laid and can not be too tight, should be smooth-going pleasing to the eye, no fold and unsettled phenomenon.
4) Fixing the grass blanket: fixing by adopting a U-shaped steel nail of 30 cm; the distance between the anchor nails at the top of the slope is 80cm, the distance between the anchor nails at the slope is 100cm, and the steel nails and the grass blanket are tightly adhered to the slope after fixation
Preferably, in the step of excavating the gutter; during the excavation process, impurities which are not beneficial to the growth of grass seeds of the slope protection, such as weeds, grass roots, construction waste and the like on the slope surface, are removed; ensure the slope surface to be straight, smooth, moist, flat and stable.
Preferably, in the step of gouging the gutter: the side surfaces and the bottom surfaces of the side ditches are chiseled by using tools such as an iron rake and the like manually so as to broadcast the grass seeds.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the construction method has the advantages that the construction speed is high, the difficulty of the traditional masonry protection construction is reduced, the cross construction influence is reduced, and the safety benefit is better; the construction method can reduce wind-blown sand dust on sandy soil slopes in the early stage; the rainwater erosion resistance of the sandy soil side ditch can be improved in an early stage; can improve the soil constitution, increase the soil nutrient and improve the plant growth condition: the water and soil loss is effectively controlled, and the early maintenance cost is reduced; the construction speed is high, and the project progress is accelerated; the method is low-carbon, energy-saving and environment-friendly, and accords with the national energy-saving and emission-reduction policy; the effects of water seepage and water volatilization of the ditch are separately played, and the problem of difficult drainage in plain areas is solved.
Drawings
FIG. 1 is a flow chart of a method for constructing a plant fiber carpet gutter according to the present invention;
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Example 1
As shown in fig. 1, a method for constructing a plant fiber carpet gutter includes the following steps: measuring and designing the flowing water elevation of the side ditch → leveling the original ground → measuring and lofting → digging the side ditch → testing the soil side ditch → chiseling the side ditch → artificially sowing grass seeds → paving a plant fiber blanket → covering and curing non-woven fabric → watering and curing → checking and accepting.
In the step of excavating the side ditch; during the excavation process, impurities which are unfavorable for slope protection grass seed growth, such as weeds, grass roots, construction waste and the like on the slope surface, are removed; ensuring that the slope surface is straight, smooth, moist, flat and stable; and adopt professional bucket to excavate, avoid digging the inaccurate of side ditch size and loose of side slope with the manual work, guarantee the initial stage scour prevention ability of the line type of ditch and soil property ditch body
In the step of side ditch chiseling: chiseling the side surfaces and the bottom surfaces of the side ditches by using tools such as an iron rake and the like manually so as to broadcast grass seeds;
in the step of manually broadcasting grass seeds, the grass seeds need to be selected and treated:
1) and selecting grass seeds: selecting perennial grass and shrub plant seeds with drought resistance, cold resistance, high temperature resistance, barren resistance and the like according to the position of the region, the climate characteristics and the soil characteristics, and determining alternative shrubs and herbaceous plants;
2) and (3) treating seeds: according to the pre-determined grass seed mixing proportion and one-time construction area, respectively soaking seeds in cold water, layering for accelerating germination, heating for accelerating germination, soaking in chemical medicines and the like according to different seed habits and construction requirements, so that the seeds are promoted to germinate in advance, and the germination rate is improved;
3) seed quality identification and proportioning: the mixing proportion of each mixed plant is determined according to the test sowing of the test section, and the construction is carried out; the germination rate of the seeds in batches is measured before broadcasting, and the actual seed using amount is calculated according to the measured area.
4) And special compound fertilizer: combining the quality of the side ditch soil, respectively designing special compound fertilizers (applying nitrogen, phosphorus and potassium base fertilizers) for the herbaceous plant communities and the woody plant communities to promote the growth of plants;
5) and manual broadcasting: before the plant fiber blanket is laid, a part of the mixed grass seeds are uniformly sown on the leveled slope surface.
In the step of laying the plant fiber carpet, the grass carpet needs to be selected and treated:
1) and the specification of the grass blanket is as follows: the thickness of the coconut palm rice (wheat) straw mixed grass blanket is 10-30 mm, the density of the grass blanket is 240-260 g/m2, wherein the coconut palm content of the coconut palm rice (wheat) straw mixed grass blanket is more than or equal to 20%; the grass blanket structure: fiber webs (pp) spaced 1.5-2 cm apart; natural plant fibers; fiber nets (PP) spaced 1.5-2 cm apart;
2) and grass blanket transportation: during transportation, the silk screen is not broken by violent collision such as throwing, smashing and the like, and the silk screen is not broken by light handling and light placing; the grass blanket is not suitable for being stored for too long time, generally needs to be laid in time when being transported to a construction site, cannot be laid in time, needs to be stored in a ventilated and light-proof manner for no more than thirty days, and is far away from a fire source when being stored;
3) the paving method comprises the following steps: selecting grass blankets with corresponding strength according to the requirements of slope gradient and tensile strength of the side ditch slope surface; the grass blanket should extend 30cm at the top of the slope and be buried in the soil, then be tiled to the toe of the slope from top to bottom, the mutual overlap joint between the grass blanket, the overlap joint width is not less than 10cm, the grass blanket should closely paste domatic to fully with domatic contact, the grass blanket is laid and can not be too tight, should be smooth-going pleasing to the eye, no fold and unsettled phenomenon.
4) Fixing the grass blanket: fixing by adopting a U-shaped steel nail of 30 cm; the distance between the anchor nails at the top of the slope is 80cm, the distance between the anchor nails at the slope is 100cm, and the steel nails and the grass blanket are tightly adhered to the slope after fixation.
The step of covering and curing the non-woven fabric comprises a step of processing the non-woven fabric and a step of curing the non-woven fabric and grass seeds,
1) and a non-woven fabric treatment step: covering non-woven fabrics 2-3 days after spray seeding, laying the non-woven fabrics from top to bottom on a vertical surface, wherein the overlapping position is 5cm, oppositely inserting the steel nails along the middle position of the overlapping position of the two non-woven fabrics in a manner of inclining left and right and clinging to a slope surface when the steel nails are fixed, and the distance between the steel nails is 100 cm; reserving redundant 20cm non-woven fabrics at the top of the slope and compacting and fixing the non-woven fabrics by soil; thirdly, when the non-woven fabric is fixed, the slope surface can not be stepped to fix;
2) and maintaining the non-woven fabrics and the grass seeds: planning personnel and preparing water sources and appliances;
secondly, immediately sprinkling water for maintenance after the non-woven fabric is fixed, watering for early-stage maintenance for a small amount of times, and watering in a rain-like manner during watering to prevent grass seeds from being washed away;
thirdly, curing time and times are as follows: the early-stage maintenance of seeds is generally 30 days, the wetting depth is controlled to be about 2cm in the germination period of 15 days, the seedling period is gradually increased to be more than 5cm according to the development of plant root systems, the watering maintenance is carried out for 1 time every 3 days in the early stage, the morning maintenance time is finished before 10 o 'clock, the afternoon maintenance is started after 16 o' clock, and the soil is always kept wet to promote the germination and growth of grass seeds;
fourthly, avoiding water spraying maintenance under strong sunlight so as to avoid physiological shortage and induction of plant diseases and insect pests; in high-temperature drought seasons, the sprouts and seedlings of the seeds are easy to be injured due to high temperature on the ground, and water spraying is properly added according to the conditions; rain or cloudy days can be reduced properly;
when the grass on the slope surface grows to 5-10 cm, removing the non-woven fabric and the bamboo nails for recycling;
sixthly, fertilizing properly and removing weeds in time according to the needs, providing nutrients for the growth of grass seeds and ensuring the smoothness and beauty of the slope;
seventhly, repairing the defects: in order to ensure the integral effect of slope greening, the seedling lacking and damaging sections need to be repaired and reseeded in time, namely defect repair is carried out;
performing later maintenance according to the standard requirements, and requiring that the plants grow well without diseases and insect pests to meet the expected landscape effect requirements; and summarizing maintenance rules, collecting and accumulating engineering construction experience, and providing a basis for later maintenance.
The method is provided with a torrent tank outlet, and in order to prevent the torrent tank outlet from washing the side ditch by water flow, M7.5 grouted rubbles are adopted for building the protection, and the length of the protection is 5M.
By the construction method, the construction speed is high, the difficulty of the traditional masonry protection construction is reduced, the cross construction influence is reduced, and the safety benefit is better; the construction method can reduce wind-blown sand dust on sandy soil slopes in the early stage; the rainwater erosion resistance of the sandy soil side ditch can be improved in an early stage; can improve the soil constitution, increase the soil nutrient and improve the plant growth condition: the water and soil loss is effectively controlled, and the early maintenance cost is reduced; the construction speed is high, and the project progress is accelerated; the method is low-carbon, energy-saving and environment-friendly, and accords with the national energy-saving and emission-reduction policy; the effects of water seepage and water volatilization of the ditch are separately played, and the problem of difficult drainage in plain areas is solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A plant fiber blanket side ditch construction method is characterized in that: the method comprises the following steps: measuring, designing the flowing water elevation of the side ditch, leveling the original ground, measuring and lofting, excavating the side ditch, inspecting the soil side ditch, chiseling the side ditch, manually broadcasting grass seeds, paving a plant fiber blanket, covering non-woven fabrics, preserving health, watering, maintaining, checking and accepting.
2. The plant fiber carpet gutter construction method according to claim 1, wherein: the step of covering and curing the non-woven fabric comprises a step of processing the non-woven fabric,
1) and a non-woven fabric treatment step: covering non-woven fabrics 2-3 days after spray seeding, laying the non-woven fabrics from top to bottom on a vertical surface, wherein the overlapping position is 5cm, oppositely inserting the steel nails along the middle position of the overlapping position of the two non-woven fabrics in a manner of inclining left and right and clinging to a slope surface when the steel nails are fixed, and the distance between the steel nails is 100 cm; reserving redundant 20cm non-woven fabrics at the top of the slope and compacting and fixing the non-woven fabrics by soil; thirdly, when the non-woven fabric is fixed, the slope surface can not be stepped on for fixing.
3. The plant fiber carpet gutter construction method as claimed in claim 2, wherein: the step of covering the non-woven fabrics and curing comprises a step of curing the non-woven fabrics and grass seeds;
2) and maintaining the non-woven fabrics and the grass seeds:
planning personnel and preparing water sources and appliances;
secondly, immediately watering and maintaining after the non-woven fabric is fixed, watering for early-stage maintenance and watering for a small number of times, and watering in a mist form to prevent grass seeds from being washed away;
thirdly, curing time and times are as follows: the early-stage maintenance of seeds is generally 30 days, the wetting depth is controlled to be about 2cm in the germination period of 15 days, the seedling period is gradually increased to be more than 5cm according to the development of plant root systems, the watering maintenance is carried out for 1 time every 3 days in the early stage, the morning maintenance time is finished before 10 o 'clock, the afternoon maintenance is started after 16 o' clock, and the soil is always kept wet to promote the germination and growth of grass seeds;
fourthly, avoiding water spraying maintenance under strong sunlight so as to avoid physiological shortage and induction of plant diseases and insect pests; in high-temperature drought seasons, the sprouts and seedlings of the seeds are easy to be injured due to high temperature on the ground, and water spraying is properly added according to the conditions; rain or cloudy days can be reduced properly;
fifthly, when the grass on the slope of the side ditch grows to 5-10 cm, removing the covering non-woven fabric and the bamboo nails, and recycling;
sixthly, fertilizing properly and removing weeds in time according to the needs, providing nutrients for the growth of grass seeds and ensuring the smoothness and beauty of the side ditch slope;
seventhly, repairing the defects: in order to ensure the integral effect of side ditch slope greening, the seedling lacking and damaging sections need to be repaired and reseeded in time, namely defect repair is carried out;
performing later maintenance according to the standard requirements, and requiring that the plants grow well without diseases and insect pests to meet the expected landscape effect requirements; and summarizing maintenance rules, collecting and accumulating engineering construction experience, and providing a basis for later maintenance.
4. The plant fiber carpet gutter construction method according to claim 1, wherein: in the step of excavating the side ditch; in the step of manually broadcasting grass seeds, the grass seeds need to be selected and treated:
1) and selecting grass seeds: selecting perennial grass and shrub plant seeds with drought resistance, cold resistance, high temperature resistance, barren resistance and the like according to the position of the region, the climate characteristics and the soil characteristics, and determining alternative shrubs and herbaceous plants;
2) and (3) treating seeds: according to the pre-determined grass seed mixing proportion and one-time construction area, respectively soaking seeds in cold water, layering for accelerating germination, heating for accelerating germination, soaking in chemical medicines and the like according to different seed habits and construction requirements, so that the seeds are promoted to germinate in advance, and the germination rate is improved;
3) seed quality identification and proportioning: the mixing proportion of each mixed plant is determined according to the test sowing of the test section, and the construction is carried out; before broadcasting, the germination rate of seeds in batches is measured, and the actual seed using amount is calculated according to the measured area;
4) and special compound fertilizer: combining the quality of the side ditch soil, respectively designing special compound fertilizers (applying nitrogen, phosphorus and potassium base fertilizers) for the herbaceous plant communities and the woody plant communities to promote the growth of plants;
5) and manual broadcasting: before the plant fiber blanket is laid, a part of the mixed grass seeds are uniformly sown on the leveled slope surface.
5. The plant fiber carpet gutter construction method according to claim 1, wherein: in the step of laying the plant fiber carpet, the grass carpet needs to be selected and treated:
1) and the specification of the grass blanket is as follows: the thickness of the coconut palm rice (wheat) straw mixed grass blanket is 10-30 mm, the density of the grass blanket is 240-260 g/m2, wherein the coconut palm content of the coconut palm rice (wheat) straw mixed grass blanket is more than or equal to 20%; the grass blanket structure: fiber webs (pp) spaced 1.5-2 cm apart; natural plant fibers; fiber nets (PP) spaced 1.5-2 cm apart;
2) and grass blanket transportation: during transportation, the silk screen is not broken by violent collision such as throwing, smashing and the like, and the silk screen is not broken by light handling and light placing; the grass blanket is not suitable for being stored for too long time, generally needs to be laid in time when being transported to a construction site, cannot be laid in time, needs to be stored in a ventilated and light-proof manner for no more than thirty days, and is far away from a fire source when being stored;
3) the paving method comprises the following steps: selecting grass blankets with corresponding strength according to the requirements of slope gradient and tensile strength of the side ditch slope surface; the grass blanket should extend 30cm at the top of the slope and be buried in the soil, then be tiled to the toe of the slope from top to bottom, the mutual overlap joint between the grass blanket, the overlap joint width is not less than 10cm, the grass blanket should closely paste domatic to fully with domatic contact, the grass blanket is laid and can not be too tight, should be smooth-going pleasing to the eye, no fold and unsettled phenomenon.
4) Fixing the grass blanket: fixing by adopting a U-shaped steel nail of 30 cm; the distance between the anchor nails at the top of the slope is 80cm, the distance between the anchor nails at the slope is 100cm, and the steel nails and the grass blanket are tightly adhered to the slope after fixation.
6. The plant fiber carpet gutter construction method according to claim 1, wherein: in the step of excavating the side ditch; during the excavation process, impurities which are unfavorable for slope protection grass seed growth, such as weeds, grass roots, construction waste and the like on the slope surface, are removed; ensure the slope surface to be straight, smooth, moist, flat and stable.
7. The plant fiber carpet gutter construction method according to claim 1, wherein: in the step of excavating the side ditch; in the step of side ditch chiseling: the side surfaces and the bottom surfaces of the side ditches are chiseled by using tools such as an iron rake and the like manually so as to broadcast the grass seeds.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112970526A (en) * | 2021-02-25 | 2021-06-18 | 郑州冠达建筑材料有限公司 | Laying method of multilayer reinforced fiber plant blanket |
| CN113133380A (en) * | 2021-05-17 | 2021-07-20 | 兰州大学 | Ecological restoration method for cold and arid region side slope and abandoned mine |
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