CN109699434A - A kind of alien earth sparging substrate for the greening of rock abrupt slope - Google Patents
A kind of alien earth sparging substrate for the greening of rock abrupt slope Download PDFInfo
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- CN109699434A CN109699434A CN201811389582.1A CN201811389582A CN109699434A CN 109699434 A CN109699434 A CN 109699434A CN 201811389582 A CN201811389582 A CN 201811389582A CN 109699434 A CN109699434 A CN 109699434A
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- soil
- substrate
- abrupt slope
- greening
- rock
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- 239000000758 substrate Substances 0.000 title claims abstract description 58
- 239000011435 rock Substances 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 74
- 239000010902 straw Substances 0.000 claims abstract description 23
- 239000004927 clay Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000010881 fly ash Substances 0.000 claims abstract description 15
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 235000009566 rice Nutrition 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 12
- 241000209140 Triticum Species 0.000 claims abstract description 11
- 235000021307 Triticum Nutrition 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 9
- 239000010440 gypsum Substances 0.000 claims abstract description 8
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 17
- 241000209094 Oryza Species 0.000 claims description 12
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 230000004083 survival effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 235000015097 nutrients Nutrition 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 7
- 238000004220 aggregation Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 231100000241 scar Toxicity 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of alien earth sparging substrates for the greening of rock abrupt slope, it is mixed evenly to obtain by matrix soil, curing agent, soil reinforcing body and water, wherein matrix soil includes red clay, haydite, fertile soil, curing agent includes cement, flyash and gypsum, and soil reinforcing body is rice straw or Wheat Straw.This substrate lightweight can consolidate rapidly, efficiently solve the problems, such as abrupt slope soil moved in improve the original substrate stability it is poor, can not be in abrupt slope surface rapid shaping；Meanwhile porous soil texture facilitates the development of retain water and nutrients and root system of plant again, guarantees the survival rate of vegetation.The present invention gathers materials on the spot, and is conveniently easy to get, and easy construction, technical treatment is at low cost, there is huge economic benefit.
Description
Technical field
The present invention relates to a kind of alien earth sparging substrates for the greening of rock abrupt slope, and in particular to one kind is suitable for belonging to west
The alien earth sparging substrate of southern area abrupt slope greening, belongs to Mine pit, municipal administration and road slope engineering and answers green technical field.
Background technique
Southwestern China area is mostly high and steep mountains, inevitably will do it excavated-in t4 construction in production and construction, is related to mine, water
The various fields such as the engineerings such as benefit, electric power, municipal administration, road.Exposed bedrock surface is then easy to cause such as without processing after excavation
Soil erosion leads to ecological disruption in turn, influences area surroundings.Alien earth sparging is carried out to exposed ground face using hydroseeding equipment,
It realizes that massif is multiple green, is very effective way.
Currently used Seed spraying technology is mostly only applicable to gentle slope of the gradient less than 45 °, slope biggish for the gradient
Body, the especially gradient are greater than 70 ° or more of steep rocky slope, and existing spray seeding technique usually can not receive satisfactory effect.It asks
Topic can sum up as follows: the 1. most nutriments for all having noted only substrate of existing slope greening soil moved in improve the original substrates design, i.e., its
Meet the aspect of plant growth, and ignore soil moved in improve the original substrate structural strength itself, it is difficult to guarantee the stability of substrate itself.Soil moved in improve the original
The intensity of substrate itself is inadequate, collapses under self gravity or rainfall infiltration；2. in order to meet the intensity of soil moved in improve the original substrate
It is required that excessive curing agent is just inevitably added in soil moved in improve the original substrate, such as cement, lime, intensity is able to satisfy stability requirement, but
Since wherein alkaline matter is excessive, it may appear that burn kind, burn seedlings phenomenon, plant is also difficult to Survival and growth.
So should have the mechanical strength for being able to satisfy stability, and have there is an urgent need to develop a kind of new soil moved in improve the original substrate
It is suitble to the soil texture of plant growth.
Summary of the invention
The purpose of the present invention is to provide a kind of alien earth sparging substrate for the greening of rock abrupt slope, this substrate lightweights, energy
Rapidly consolidation, efficiently solve the problems, such as abrupt slope soil moved in improve the original substrate stability it is poor, can not be in abrupt slope surface rapid shaping；Meanwhile
Porous soil texture facilitates the development of retain water and nutrients and root system of plant again, guarantees the survival rate of vegetation.
The technical scheme is that a kind of alien earth sparging substrate for the greening of rock abrupt slope, the alien earth sparging substrate
Be mixed evenly to obtain by matrix soil, curing agent, soil reinforcing body and water, wherein matrix soil include red clay, haydite,
Fertile soil, curing agent include cement, flyash and gypsum, and soil reinforcing body is rice straw or Wheat Straw.
The mass fraction of each constituent of the alien earth sparging substrate are as follows:
50 ~ 60 parts of red clay, 25 ~ 30 parts of haydite, 10 ~ 15 parts of fertile soil, 3 ~ 6 parts of cement, 1 ~ 2 part of flyash, gypsum 1 ~ 3
Part, rice straw or 2 ~ 3 parts of Wheat Straw, 8 ~ 10 parts of water.
For the red clay moisture content less than 6%, native aggregation size is less than 5mm.
The content of organic matter is 70% or more in the fertile soil.
Haydite is first saturated with water infiltration before being mixed, the partial size of the haydite is 5 ~ 25mm.
Rice straw or Wheat Straw are cut into the segment of 2 ~ 3cm before being mixed.
The alien earth sparging substrate is sowed grass seeds by duster to abrupt slope slope surface with a thickness of 30 ~ 40cm.
The sequence that the alien earth sparging substrate is sowed grass seeds by duster is from the upward sectional ejecting construction of abrupt slope bottom of slope, and every section of height is not more than
3m, and every section sow grass seeds by duster after wait 3h or more, then carry out top slope section sow grass seeds by duster.
The native aggregation size of alien earth sparging substrate of the invention is less than 5mm, porosity 50 ~ 60%, 8 ~ 14kN/m of severe3、
Cohesive strength is up to 8 ~ 14 ° of 10 ~ 15kPa, internal friction angle.
Compared with prior art, the beneficial effects of the present invention are:
(1) include haydite and a large amount of holes in the matrix soil of alien earth sparging substrate of the present invention, have lightweight, porous structure special
Point is conducive to water conservation, fertilizer conservation and breathes freely, provides space for the growth and development of root system of plant.
(2) alien earth sparging substrate of the present invention is in terms of mechanical strength, since substrate dead weight is small, in injection to steep slope
Afterwards, it is not easy to generate slump partly or wholly, stability is good.
(3) present invention gathers materials on the spot, and is conveniently easy to get, and easy construction, technical treatment is at low cost, there is huge economic benefit.
Detailed description of the invention
Fig. 1 is the sectional view of alien earth sparging substrate；
Fig. 2 is the partial enlarged view of alien earth sparging substrate；
Each label in figure are as follows: the abrupt slope 1- basement rock, 2- alien earth sparging substrate, 3- haydite, 4- soil reinforcing body.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Red clay in embodiment 1 ~ 3 is taken from the widely distributed red clay in southwest, and peat soil is raw for northeast somewhere
It produces, the content of organic matter 82%.Haydite, cement, flyash and land plaster are commercial goods, and rice straw bar is using being preceding cut into 2 ~ 3cm
Segment.
Embodiment 1:
The soil moved in improve the original substrate for being suitable for the greening of rock abrupt slope of the present embodiment, by matrix soil, curing agent, soil reinforcing body, He Shui
It is mixed evenly to obtain, wherein matrix soil includes red clay, haydite 3 and fertile soil, and curing agent includes cement, flyash
And gypsum, soil reinforcing body 4 are rice straw, the mass fraction of each constituent are as follows: 50 parts of red clay, 10 parts of fertile soil, haydite
30 parts, 3 parts of cement, 1 part of flyash, 1 part of land plaster, 2 parts of rice straw, 8 parts of water, and the moisture content of red clay are 5%, haydite grain
Diameter is 5 ~ 25mm, and is first saturated haydite 3 with water infiltration before being mixed；
Choose sieving red clay 400kg, fertile soil 80kg, haydite 240kg, cement 24kg, flyash 8kg, land plaster 8kg, rice
Stalk 16kg, water 64kg are sequentially added in blender, are stirred 9min, are obtained soil moved in improve the original substrate, the mass of soil aggressiveness grain of this soil moved in improve the original substrate
Diameter is less than 5mm；The mixture being stirred is sprayed to slope surface, jet thickness 35cm using hydroseeder, as shown in Figure 1 and 2.
Implementation result: the soil moved in improve the original substrate of this example preparation is sprayed to about 75 ° of the gradient of limestone scar, and the sequence sowed grass seeds by duster is
From the upward sectional ejecting construction of the bottom of slope of abrupt slope basement rock 1, every section of height is 2m, and every section sow grass seeds by duster after wait 4h, then carry out top
Slope section is sowed grass seeds by duster, and after normal maintenance 28 days, the Shear Strength Index cohesive strength of soil moved in improve the original substrate is 18kPa, and internal friction angle is
11 °, severe 9.8kN/m3。
Embodiment 2:
The soil moved in improve the original substrate for being suitable for the greening of rock abrupt slope of the present embodiment, by matrix soil, curing agent, soil reinforcing body, He Shui
It is mixed evenly to obtain, wherein matrix soil includes red clay, haydite 3 and fertile soil, and curing agent includes cement, flyash
And gypsum, soil reinforcing body 4 are Wheat Straw, the mass fraction of each constituent are as follows: 60 parts of red clay, 15 parts of fertile soil, haydite
25 parts, 6 parts of cement, 2 parts of flyash, 3 parts of land plaster, 3 parts of Wheat Straw, 10 parts of water, and the moisture content of red clay are 5%, haydite grain
Diameter is 5 ~ 25mm, and is first saturated haydite 3 with water infiltration before being mixed；
Choose sieving red clay 480kg, fertile soil 120kg, haydite 200kg, cement 48kg, flyash 16kg, land plaster 24kg,
Wheat Straw 24kg, water 80kg, then sequentially add in blender, stir 10min, obtain soil moved in improve the original substrate, the soil of this soil moved in improve the original substrate
Aggregation size is less than 5mm；The mixture being stirred is sprayed to slope surface, jet thickness 40cm using hydroseeder.
Implementation result: the soil moved in improve the original substrate of this example preparation is sprayed to about 80 ° of the gradient of mud stone scar, and the sequence sowed grass seeds by duster is
From the upward sectional ejecting construction of the bottom of slope of abrupt slope basement rock 1, every section of height is 1m, and every section sow grass seeds by duster after wait 5h, then carry out top
Slope section is sowed grass seeds by duster, and after normal maintenance 28 days, the Shear Strength Index cohesive strength of soil moved in improve the original substrate is 20.5kPa, and internal friction angle is
10.6 °, severe 11.2kN/m3。
Embodiment 3:
The soil moved in improve the original substrate for being suitable for the greening of rock abrupt slope of the present embodiment, by matrix soil, curing agent, soil reinforcing body, He Shui
It is mixed evenly to obtain, wherein matrix soil includes red clay, haydite 3 and fertile soil, and curing agent includes cement, flyash
And gypsum, soil reinforcing body 4 are Wheat Straw, the mass fraction of each constituent are as follows: 55 parts of red clay, 13 parts of fertile soil, haydite
28 parts, 5 parts of cement, 1.5 parts of flyash, 2 parts of land plaster, 2.5 parts of rice straw, 9 parts of water；And red clay moisture content is 4%, haydite
Partial size is 5 ~ 25mm, and is first saturated haydite 3 with water infiltration before being mixed；
Choose sieving red clay 495kg, fertile soil 117kg, haydite 252kg, cement 45kg, flyash 13.5kg, land plaster
18kg, rice straw 22.5kg, water 81kg, sequentially add in blender, stir 10min, obtain soil moved in improve the original substrate, this soil moved in improve the original substrate
Native aggregation size is less than 5mm；The mixture being stirred is sprayed to slope surface, jet thickness 37cm using hydroseeder.
Implementation result: the soil moved in improve the original substrate of this example preparation is sprayed to about 80 ° of the gradient of mud stone scar, and the sequence sowed grass seeds by duster is
From the upward sectional ejecting construction of the bottom of slope of abrupt slope basement rock 1, every section of height is 3m, and every section sow grass seeds by duster after wait 3h, then carry out top
Slope section is sowed grass seeds by duster, and after normal maintenance 28 days, the Shear Strength Index cohesive strength of soil moved in improve the original substrate is 19kPa, and internal friction angle is
10.8 °, severe 10.2kN/m3。
This specific embodiment is only explanation of the invention, is not limitation of the present invention, and industry technical staff exists
It modifies as needed after reading this specification, if these modifications of the invention belong to the claims in the present invention and its wait
Same technology, these modifications all fall within the protetion scope of the claimed invention.
Claims (8)
1. a kind of alien earth sparging substrate for the greening of rock abrupt slope, which is characterized in that the alien earth sparging substrate (2) is by substrate soil
Earth, curing agent, soil reinforcing body and water are mixed evenly to obtain, and wherein matrix soil includes red clay, haydite (3), humic
Soil, curing agent include cement, flyash and gypsum, and soil reinforcing body (4) is rice straw or Wheat Straw.
2. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: the soil moved in improve the original spray
Broadcast the mass fraction of each constituent of substrate (2) are as follows:
50 ~ 60 parts of red clay, (3) 25 ~ 30 parts of haydite, 10 ~ 15 parts of fertile soil, 3 ~ 6 parts of cement, 1 ~ 2 part of flyash, gypsum 1
2 ~ 3 parts of ~ 3 parts, rice straw or Wheat Straw, 8 ~ 10 parts of water.
3. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: the red clay
Moisture content is less than 6%.
4. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: the fertile soil
The middle content of organic matter is 70% or more.
5. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: before mixing
Haydite (3) is first saturated with water infiltration, the partial size of the haydite is 5 ~ 25mm.
6. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: before mixing
Rice straw or Wheat Straw are cut into the segment of 2 ~ 3cm.
7. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: the soil moved in improve the original spray
Substrate (2) is broadcast to sow grass seeds by duster to abrupt slope basement rock (1) slope surface with a thickness of 30 ~ 40cm.
8. the alien earth sparging substrate according to claim 1 for the greening of rock abrupt slope, it is characterised in that: the soil moved in improve the original spray
Broadcasting the sequence that substrate (2) is sowed grass seeds by duster is the upward sectional ejecting construction of bottom of slope from abrupt slope basement rock (1), and every section of height is not more than 3m, and
Every section sow grass seeds by duster after wait 3h or more, then carry out top slope section sow grass seeds by duster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389582.1A CN109699434A (en) | 2018-11-21 | 2018-11-21 | A kind of alien earth sparging substrate for the greening of rock abrupt slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389582.1A CN109699434A (en) | 2018-11-21 | 2018-11-21 | A kind of alien earth sparging substrate for the greening of rock abrupt slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109699434A true CN109699434A (en) | 2019-05-03 |
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| CN201811389582.1A Pending CN109699434A (en) | 2018-11-21 | 2018-11-21 | A kind of alien earth sparging substrate for the greening of rock abrupt slope |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972820A (en) * | 2019-12-17 | 2020-04-10 | 云南农业大学 | Method for guiding rocky slope protection plants to root into rocks |
| CN111777369A (en) * | 2020-06-15 | 2020-10-16 | 云南大永高速公路有限公司 | Concrete for maintaining stability of highway slope and preparation method thereof |
| CN112056159A (en) * | 2020-07-21 | 2020-12-11 | 中国矿业大学(北京) | Method for improving stability of side slope of refuse dump by using solid waste composite material |
| CN114946590A (en) * | 2022-06-02 | 2022-08-30 | 河海大学 | Foreign soil spray-seeding base material for steep rockslope and preparation method |
| CN115769776A (en) * | 2022-12-09 | 2023-03-10 | 天津中岩大地材料科技有限公司 | Ecological soil for greening and reinforcing side slope |
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| CN1121059A (en) * | 1994-10-18 | 1996-04-24 | 胡德熙 | Slope-protecting vegetation concrete |
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| CN2873888Y (en) * | 2006-02-11 | 2007-02-28 | 襄樊学院 | Side slope protection afforestation layer structure |
| CN105052438A (en) * | 2015-07-10 | 2015-11-18 | 南通新华建筑集团有限公司 | Vegetation slope protection method |
| CN105484273A (en) * | 2015-11-20 | 2016-04-13 | 天津市建筑科学研究院有限公司 | Method for preventing pipeline from being blocked by too-wet dressing soil in slope dressing soil dry-spraying operation |
| CN106958252A (en) * | 2017-04-13 | 2017-07-18 | 广西交通科学研究院有限公司 | A kind of slag recycles ecological slope protection structure and its construction method |
| CN107964962A (en) * | 2017-08-16 | 2018-04-27 | 轻工业环境保护研究所 | The high gradient slope surface of a wound makes hair and hypothallus and combines closely technology and its construction method |
| CN108797612A (en) * | 2018-06-19 | 2018-11-13 | 江苏东珠景观股份有限公司 | A kind of high stability side slope vertical planting ecological restoring method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972820A (en) * | 2019-12-17 | 2020-04-10 | 云南农业大学 | Method for guiding rocky slope protection plants to root into rocks |
| CN111777369A (en) * | 2020-06-15 | 2020-10-16 | 云南大永高速公路有限公司 | Concrete for maintaining stability of highway slope and preparation method thereof |
| CN112056159A (en) * | 2020-07-21 | 2020-12-11 | 中国矿业大学(北京) | Method for improving stability of side slope of refuse dump by using solid waste composite material |
| CN114946590A (en) * | 2022-06-02 | 2022-08-30 | 河海大学 | Foreign soil spray-seeding base material for steep rockslope and preparation method |
| CN115769776A (en) * | 2022-12-09 | 2023-03-10 | 天津中岩大地材料科技有限公司 | Ecological soil for greening and reinforcing side slope |
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Application publication date: 20190503 |
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