CN110313338A - Hard place low-density seedling root soil space builds construction method - Google Patents
Hard place low-density seedling root soil space builds construction method Download PDFInfo
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- CN110313338A CN110313338A CN201910596358.8A CN201910596358A CN110313338A CN 110313338 A CN110313338 A CN 110313338A CN 201910596358 A CN201910596358 A CN 201910596358A CN 110313338 A CN110313338 A CN 110313338A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to seedling growth technical fields, aiming at the problem that vehicle rolls and may cause road depressed deformation, it provides a kind of hard place low-density seedling root soil space and builds construction method, it should the technical scheme comprises the following steps: excavating plantation hole, compacting plantation hole bottom, plantation hole bottom are laid with and plant raw eco-concrete to form implantation hole to surround to form supporting layer, be laid with honeycomb cell compartment unit above supporting layer, plant in implantation hole nursery stock, implantation hole backfill planting soil, be laid with filter layer at the top of implantation hole, laying road road surface at the top of filter layer.Plantation hole bottom and be laid with supporting layer by compacting, automobile is rolled using supporting layer, pedestrian's walking when the external force distribution that generates in the soil so that road is not easy depressed deformation；By being laid with honeycomb cell compartment unit on supporting layer, to provide stronger structural stability using the honeycomb structure of honeycomb cell compartment unit, road is steadily supported, so that road is not easy depressed deformation.
Description
Technical field
The present invention relates to seedling growth technical fields, seek more particularly, to a kind of hard place low-density seedling root soil space
Make construction method.
Background technique
With urban development, vehicle is more and more in city, and the pollution that the vehicle walked on road generates is also increasingly
Seriously, therefore in order to reduce pollution of the automobile to air, it usually needs plant green plant on road to absorb the useless of automobile discharge
Gas.
It holds sway after having planted green plant on the road, due to green plant root growth, the soil below road can be made to loosen, when heavier
Vehicle rolled it is green take root when being the road above range, therefore, may also change the depressed deformation on road the case where
Kind space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of hard place low-density seedling root soil
Space creation construction method has the advantages that road is not easy depressed deformation.
To achieve the above object, the present invention provides the following technical scheme that
A kind of hard place low-density seedling root soil space construction construction method, comprising the following steps:
S1. plantation hole is excavated；
S2. plantation hole bottom is tamped；
S3. plantation hole bottom, which is laid with, plants raw eco-concrete to form supporting layer；
S4. it is laid with honeycomb cell compartment unit above supporting layer to form implantation hole to surround；
S5. nursery stock is planted in implantation hole；
S6. implantation hole backfills planting soil；
S7. filter layer is laid at the top of implantation hole；
S8. laying road road surface at the top of filter layer.
By using above-mentioned technical proposal, pass through compacting plantation hole bottom and be laid with supporting layer, using using supporting layer as
Undermost rigidity supporting structure, automobile is rolled using supporting layer, pedestrian walking when generate external force distribution in the soil, make
It obtains road and is not easy depressed deformation；
It is stronger to be provided using the honeycomb structure of honeycomb cell compartment unit by being laid with honeycomb cell compartment unit on supporting layer
Structural stability so that honeycomb cell compartment unit surround the implantation hole to be formed hole wall structure stablize, can bear biggish
Pressure, and then road is steadily supported, so that road is not easy depressed deformation；
By being laid with filter layer at the top of implantation hole, pavement of road is supported to a certain extent using filter layer, so that road
Road surface is less susceptible to depressed deformation, and is laid at the top of implantation hole by filter layer, reduce the planting soil in implantation hole fly upward to
Aerial situation reduces soil losses and air pollution.
The present invention is further arranged to: in the step S4, soakaway trench and drainpipe are installed in honeycomb cell compartment unit.
By using above-mentioned technical proposal, it is more than moisture by soakaway trench infiltrating irrigation and by drainpipe discharge, so that seedling
Wood grows preferably in implantation hole, and reducing excessively arid or flood causes nursery stock sick or even withered situation.
The present invention is further arranged to: in the step S4, one layer of honeycomb cell compartment unit of every laying just backfills one layer of plantation
For soil to fix this layer of honeycomb cell compartment unit, when backfill, which reserves, surrounds the implantation hole to be formed by honeycomb cell compartment unit.
By using above-mentioned technical proposal, one layer of planting soil is just backfilled by one layer of honeycomb cell compartment unit of every laying, so that
Every layer of honeycomb cell compartment unit has enough connection areas with planting soil, so that honeycomb cell compartment unit is fixed in plantation hole
Stability it is preferable so as to surround the implantation hole to be formed relatively stable for honeycomb cell compartment unit.
The present invention is further arranged to: in the S8, the first roadbed paving layer at the top of filter layer, then at the top of base course
Asphalt road surface is to form pavement of road.
By using above-mentioned technical proposal, pitch is supported by base course, so that the soft surface of pavement of road, promotes row
The comfort level of vehicle and pedestrian, while vehicle and the weight of pedestrian are provided support against by base course, so that road surface is not easy
Because being rolled due to depressed deformation by vehicle.
The present invention is further arranged to: the base course is laid with by concrete.
By using above-mentioned technical proposal, using the preferable compressive property of concrete, so that road surface structure is stablized, more
It is not easy to improve the stability of pavement of road because being rolled due to depressed deformation by vehicle.
The present invention is further arranged to: the concrete includes the component of following mass fraction:
100 parts of portland cement；
66-77 parts of water；
55-66 parts of sand；
55-66 parts of stone；
10-15 parts of glass fibre；
33-44 parts of polychlorotrifluoroethylene.
By using above-mentioned technical proposal, by the way that glass fibre is added in concrete with reinforcement, so that the object of concrete
Rationality can preferably, and structural stability is preferable, and support bituminous pavement is preferable with the effect for reducing pavement of road depressed deformation；
By the way that polychlorotrifluoroethylene is added in concrete, so that the anti-freezing property of concrete is highly improved, so that
The roadbed that concrete is formed preferably is suitable for cold district layer by layer, so that the applicability of concrete is wider.
The present invention is further arranged to: the concrete further includes the component of following mass fraction:
8-12 parts of ceramic powders.
By using above-mentioned technical proposal, so that concrete has certain heat insulation function, slow down plantation to a certain extent
The speed of temperature change is conducive to seedling growth so that plantation hole provides relatively stable temperature preferably for nursery stock in cheating；
Meanwhile by ceramic powders reinforcing concrete, so that the compression strength of concrete is further promoted, so that base course
Support bituminous pavement more preferably more stable with the effect for reducing pavement of road depressed deformation.
The present invention is further arranged to: the concrete further includes the component of following mass fraction:
3-5 parts of casein.
By using above-mentioned technical proposal, by the way that casein is added, the metal ion knot in casein and concrete is utilized
The case where closing, reducing the case where metal ion forms alkali salt and oozes out, that is, reduce the accumulation of salt in the surface soil, reduces the pollution to soil, so that
Nursery stock growth is more preferable.
The present invention is further arranged to: the preparation method of the concrete the following steps are included:
A., polychlorotrifluoroethylene is ground into the powder of the non-10-100nm of partial size；
B. portland cement and water are stirred to form cement grout；
C. cement grout and polychlorotrifluoroethylene powder are stirred to form cement premix；
D. cement premix and sand, stone and glass fibre are stirred to form concrete.
It is powdered by the way that polychlorotrifluoroethylene is ground into nanoscale by using above-mentioned technical proposal, so that polychlorostyrene
Trifluoro-ethylene disperses more uniformly in concrete, so that improving the better effect of concrete antifreezing performance；
Polychlorotrifluoroethylene is uniformly dispersed in cement grout by elder generation, so that nanometer grade powder is easily dispersed, is not easy
It is influenced by solid particles such as sandstones, reduces polychlorotrifluoroethylene and be difficult to the case where dispersing, guarantee the quality of concrete.
In conclusion the invention has the following advantages:
1. plantation hole bottom and being laid with supporting layer by compacting, automobile is rolled using supporting layer, pedestrian's walking when generation
External force distribution in the soil so that road is not easy depressed deformation；
2. by supporting layer be laid with honeycomb cell compartment unit, with using honeycomb cell compartment unit honeycomb structure provide compared with
Strong structural stability, steadily supports road, so that road is not easy depressed deformation；
3., so that the anti-freezing property of concrete is highly improved, being made by the way that polychlorotrifluoroethylene is added in concrete
It obtains the roadbed that concrete is formed and is preferably suitable for cold district layer by layer, so that the applicability of concrete is wider.
Detailed description of the invention
Fig. 1 is the flow diagram that hard place low-density seedling root soil space builds construction method in the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, invention is further described in detail.
Portland cement uses China Resources cement PO42.5R ordinary portland cement in following embodiment.
The common river sand that sand uses Nanjing Jie Chen garden landscape Co., Ltd to sell in following embodiment.
Stone washes meter Shi using what a card rich Yuhuatai colorful pebble factory in Nanjing Liuhe District sold in following embodiment.
The glass fibre that glass fibre uses Condar husband's new material Science and Technology Ltd. in Jiangsu to sell in following embodiment.
The Voltalef that polychlorotrifluoroethylene is sold using A Kema (China) Investment Co., Ltd in following embodiment is poly-
Chlorotrifluoroethylene (PCTFE)
The ceramic powder that ceramic powders use hundred Feng Kuangchanpinjiagongchang of Lingshou County to sell in following embodiment.
The casein that casein is sold using the excellent remy hair Biotechnology Co., Ltd in Qingdao in following embodiment.
Water-reducing agent uses the sodium lignin sulfonate water reducer of the erudite Chemical Co., Ltd. in Jinan in following embodiment.
The ecological permeable that raw eco-concrete uses Lv Mai Environmental Technology AS in Jiangsu to sell is planted in following embodiment
Concrete.
Embodiment 1
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 66kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 33kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 55kg, stone 55kg, glass fibre 10kg are added in a stirring kettle, revolving speed 25r/min stirs 10min, is formed
Concrete, revolving speed 10r/min continue stirring until concrete use and finish.
Embodiment 2
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 70kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 40kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 60kg, stone 60kg, glass fibre 12.5kg are added in a stirring kettle, revolving speed 25r/min stirs 10min, shape
At concrete, revolving speed 10r/min continues stirring until concrete use and finishes.
Embodiment 3
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 77kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 44kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 66kg, stone 66kg, glass fibre 15kg are added in a stirring kettle, revolving speed 25r/min stirs 10min, is formed
Concrete, revolving speed 10r/min continue stirring until concrete use and finish.
Embodiment 4
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, glass fibre 11kg are added in a stirring kettle, revolving speed 25r/min stirs 10min, is formed
Concrete, revolving speed 10r/min continue stirring until concrete use and finish.
Embodiment 5
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 8kg, casein 3kg, revolving speed are added in a stirring kettle
25r/min stirs 10min, forms concrete, and revolving speed 10r/min continues stirring until concrete use and finishes.
Embodiment 6
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 10kg, casein 4kg are added in a stirring kettle, turns
Fast 25r/min stirs 10min, forms concrete, and revolving speed 10r/min continues stirring until concrete use and finishes.
Embodiment 7
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 12kg, casein 5kg are added in a stirring kettle, turns
Fast 25r/min stirs 10min, forms concrete, and revolving speed 10r/min continues stirring until concrete use and finishes.
Embodiment 8
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 11kg, casein 3.2kg are added in a stirring kettle,
Revolving speed 25r/min stirs 10min, forms concrete, and revolving speed 10r/min continues stirring until concrete use and finishes.
Embodiment 9
A kind of hard place low-density seedling root soil space construction construction method, comprising the following steps:
S1. plantation hole is excavated, specific as follows:
It is positioned on road according to design drawing, by excavating plantation hole in place of needing to plant nursery stock.
S2. plantation hole bottom is tamped, specific as follows:
The element soil of plantation hole bottom is tamped by ramming machine to form closely knit and stable plain soil layer.
S3. the raw eco-concrete of plantation hole bottom laying plant is specific as follows to form supporting layer:
Casting is planted above raw eco-concrete to plain soil layer, and the supporting layer with a thickness of 200mm is formed.
S4. it is laid with honeycomb cell compartment unit above supporting layer to form implantation hole to surround, specific as follows:
Honeycomb cell compartment unit is laid with above supporting layer, honeycomb cell compartment unit is laid with five layers altogether along the vertical direction, every laying
After one layer of honeycomb cell compartment unit, soakaway trench and drainpipe are installed in honeycomb cell compartment unit, then backfill one layer of planting soil to covering
Cover this layer of honeycomb cell compartment unit；
Compacting planting soil is after backfilling planting soil with fixed cellular cell compartment unit, honeycomb cell compartment unit packet again when backfilling planting soil
Placement template at the implantation hole to be formed is enclosed, the planting soil of backfill is not inserted in the implantation hole space of template encirclement to reserve plantation
Hole.
S5. nursery stock is planted in implantation hole, specific as follows:
After all honeycomb cell compartment units are laid with, template is dismantled, is then hung in nursery stock in implantation hole, setting support
To support nursery stock, stablize nursery stock position and growth angle.
S6. implantation hole backfills planting soil, specific as follows:
After nursery stock is stablized, towards implantation hole in backfill and planting soil and be compacted planting soil.
S7. filter layer is laid at the top of implantation hole, specific as follows:
Filter layer is laid with above the planting soil at the top of implantation hole, filter layer uses cobblestone, cobblestone in the present embodiment
It is laid with two layers, common stone, brick etc. can be used in other embodiments.
S8. laying road road surface at the top of filter layer, specific as follows:
In filter layer top pouring concrete and levelling to form base course, after base course final set, spread in roadbed layer surface
If bituminous pavement simultaneously flattens, pavement of road is formed, in the present embodiment, concrete uses the concrete of embodiment 8, other embodiments
In, concrete uses the concrete of embodiment 1-7.
Comparative example 1
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. revolving speed 30r/min stirs 5min, forms cement premix；
D. sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 11kg, casein 3.2kg are added in a stirring kettle,
Revolving speed 25r/min stirs 10min, forms concrete, and revolving speed 10r/min continues stirring until concrete use and finishes.
Comparative example 2
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, ceramic powders 11kg, casein 3.2kg are added in a stirring kettle, revolving speed 25r/min is stirred
10min is mixed, concrete is formed, revolving speed 10r/min continues stirring until concrete use and finishes.
Comparative example 3
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. sand 64kg, stone 58kg, casein 3.2kg are added in a stirring kettle, revolving speed 25r/min stirs 10min, is formed
Concrete, revolving speed 10r/min continue stirring until concrete use and finish.
Comparative example 4
A kind of concrete, concrete the preparation method is as follows:
A. polychlorotrifluoroethylene is added in grinder, is ground into the powder that partial size is 10-100nm；
B. portland cement 100kg, water 68kg, water-reducing agent 3kg, revolving speed 45r/min, stirring are added in a stirring kettle
3min forms cement grout；
C. polychlorotrifluoroethylene powder 36kg, revolving speed 30r/min are added in a stirring kettle, stirs 5min, it is pre- to form cement
Mixed object；
D. in a stirring kettle be added sand 64kg, stone 58kg, glass fibre 11kg, ceramic powders 11kg, revolving speed 25r/min,
10min is stirred, concrete is formed, revolving speed 10r/min continues stirring until concrete use and finishes.
Experiment 1
Detect embodiment 1-8's and comparative example 1-4 according to GB50107-2010 " detection and evaluation of concrete strength standard "
The compression strength (MPa) of the sample of concrete preparation.
Experiment 2
According to the fast jelly method in GBT14902-2012 " ready-mixed concrete " to the coagulation of embodiment 1-8 and comparative example 1-4
Soil preparation sample carry out frozen process experiment, as far as possible sample compression strength valence it is low 25% when freezing-thawing cycles.
| 28d compression strength (MPa) | Freezing-thawing cycles (secondary) | |
| Embodiment 1 | 55 | 280 |
| Embodiment 2 | 54 | 281 |
| Embodiment 3 | 56 | 282 |
| Embodiment 4 | 55 | 280 |
| Embodiment 5 | 59 | 279 |
| Embodiment 6 | 59 | 281 |
| Embodiment 7 | 61 | 280 |
| Embodiment 8 | 60 | 278 |
| Comparative example 1 | 60 | 226 |
| Comparative example 2 | 49 | 280 |
| Comparative example 3 | 45 | 279 |
| Comparative example 4 | 60 | 282 |
It can be obtained according to table 1, polychlorotrifluoroethylene is added in concrete can effectively improve the anti-freezing property of concrete, so that
Base course made of concrete is laid with is more suitable for cold district, so that the applicability of concrete is wider.
Glass fibre is added in concrete and ceramic powders can effectively improve the compression strength of concrete, so that
The base course stable structure not cracky of concrete preparation, so that base course stablizes support bituminous pavement, so that Road
Face is not easy Dish deformation.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of hard place low-density seedling root soil space builds construction method, it is characterized in that: the following steps are included:
S1. plantation hole is excavated；
S2. plantation hole bottom is tamped；
S3. plantation hole bottom, which is laid with, plants raw eco-concrete to form supporting layer；
S4. it is laid with honeycomb cell compartment unit above supporting layer to form implantation hole to surround；
S5. nursery stock is planted in implantation hole；
S6. implantation hole backfills planting soil；
S7. filter layer is laid at the top of implantation hole；
S8. laying road road surface at the top of filter layer.
2. hard place low-density seedling root soil space according to claim 1 builds construction method, it is characterized in that: described
In step S4, soakaway trench and drainpipe are installed in honeycomb cell compartment unit.
3. hard place low-density seedling root soil space according to claim 2 builds construction method, it is characterized in that: described
In step S4, one layer of honeycomb cell compartment unit of every laying backfills one layer of planting soil just to fix this layer of honeycomb cell compartment unit, when backfill
It reserves and the implantation hole to be formed is surrounded by honeycomb cell compartment unit.
4. hard place low-density seedling root soil space according to claim 1 builds construction method, it is characterized in that: described
In S8, first at the top of filter layer roadbed paving layer, then at the top of base course asphalt road surface to form pavement of road.
5. hard place low-density seedling root soil space according to claim 1 builds construction method, it is characterized in that: described
Base course is laid with by concrete.
6. hard place low-density seedling root soil space according to claim 5 builds construction method, it is characterized in that: described
Concrete includes the component of following mass fraction:
100 parts of portland cement；
66-77 parts of water；
55-66 parts of sand；
55-66 parts of stone；
10-15 parts of glass fibre；
33-44 parts of polychlorotrifluoroethylene.
7. hard place low-density seedling root soil space according to claim 6 builds construction method, it is characterized in that: described
Concrete further includes the component of following mass fraction:
8-12 parts of ceramic powders.
8. hard place low-density seedling root soil space according to claim 6 or 7 builds construction method, it is characterized in that:
The concrete further includes the component of following mass fraction:
3-5 parts of casein.
9. hard place low-density seedling root soil space according to claim 6 builds construction method, it is characterized in that: described
The preparation method of concrete the following steps are included:
A., polychlorotrifluoroethylene is ground into the powder of the non-10-100nm of partial size；
B. portland cement and water are stirred to form cement grout；
C. cement grout and polychlorotrifluoroethylene powder are stirred to form cement premix；
D. cement premix and sand, stone and glass fibre are stirred to form concrete.
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