CN108660890A - Native construction method is stablized in a kind of road cement stabilization soil and environment-friendly water-based solidification - Google Patents
Native construction method is stablized in a kind of road cement stabilization soil and environment-friendly water-based solidification Download PDFInfo
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- CN108660890A CN108660890A CN201710210778.9A CN201710210778A CN108660890A CN 108660890 A CN108660890 A CN 108660890A CN 201710210778 A CN201710210778 A CN 201710210778A CN 108660890 A CN108660890 A CN 108660890A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/36—Coherent pavings made in situ by subjecting soil to stabilisation
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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
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/123—Consolidating by placing solidifying or pore-filling substances in the soil and compacting the soil
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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Abstract
The present invention proposes that a kind of road cement stablizes soil and stablizes native construction method with environment-friendly water-based solidification, includes the following steps：To pavement of road base carry out milling processing, milling depth be subject to cement stabilized soil design top surface absolute altitude；Cement stabilized soil construction is carried out to road, carries out spread cement treated successively, processing is mixed and stirred in milling, and the integer that paves processing rolls processing and health processing；Roadside is cured required soil after completing lower layer's cement roller compacted stabilized soil also to fill out, with road roller, pacifically machine carries out absolute altitude leveling respectively after also filling out；Road cure and stablizes soil construction, carries out spilling environment-friendly water-based curing agent processing successively, processing is mixed and stirred in milling, and the integer that paves handles and roll processing.Road cement proposed by the present invention stablizes soil and stablizes native construction method with environment-friendly water-based solidification, and speed of application is fast, energy conservation and environmental protection, and recycling, protecting ecology effectively reduces cost.
Description
Technical field
The present invention relates to road construction technology fields, and more particularly to a kind of road cement stablizes soil and environment-friendly water-based solidification
Stablize soil construction method.
Background technology
Stablizing dirt road road (CBR PLUS SOIL SABLIZER) by the solidification in South Africa, Canada's research and development has had 30 years
Build history, using South Africa, Canada production CBR-Plus soil-solidified-agents reinforce soil matrix, Canada, South Africa, the U.S. and
100 multinational families such as Chinese (Guangxi, Yunnan, Shandong) are once directly as road structure driving vehicle.
CBR-Plus is a kind of soil solidification stabilizer of ion-exchange type and a kind of sulfonated oil, it after water dilutes,
Generate powerful ionization, make solution be in high conductivity, after being mixed with the clay with anion with soil particle adsorption
The active cation of water is exchanged strongly, and soil thickness of diffusion layer is promoted to be thinned, and potential declines, the repulsion between soil particle
It can reduce, be coupled and reinforce, while the negative electrical charge that sweetening of the soil particle surface is carried, grogs is made to lose the electrostatic attraction to water
Power makes it be converted into Free water discharge to release the combination water being strapped in adsorption layer and diffusion layer, and this electrochemistry is made
With clay particle double electrical layers are changed, become irreversible process, can the hydrophily of soil for good and all be become into hydrophobicity,
Make soil be easy to be compacted, form the overall plate of stable structure, improves the physical and mechanical property of soil.Therefore it is with traditional water
Mud, lime inorganic binder reinforce the effect of soil compared to can with the discharge and compacting of moisture, intensity can with when all increase
And water stability is good.But the way of existing home and abroad only considers to build 15~20 centimetres of solidified earth road on dirt road base (most not
Do asphalt pavement), or reinforced for soil matrix under traditional road (having asphalt pavement).
Currently developing by leaps and bounds with Chinese national economy, the road without asphalt surface course for serving communication can not
Received by the public, and the cost performance that the soil matrix of traditional road is reinforced may be not high.Current home and abroad build without drip
The successful case that the accommodation road in green paving bears loaded vehicle load is very much, such as domestic to lead to cane field, river in the Guangxi cities Lai Bin
North leads to the road in mining area, although using practice shows the mostly non-asphalt face layer of these roads, in the row of heavy-duty freight car
It is all subjected to test in sailing, has played the due function of communications and transportation, such as application stablizes the native Guangxi cities Lai Bin and leads to sugarcane
The accommodation road on ground, by investigating, during felling and transporting in sugarcane rainy season, not in the stabilization dirt road road of asphalt mixture surfacing two months
Total amount has been transported up to as many as 50~600,000 tons of sugarcane by the twin shaft vehicle (overload) for loading 50~60 tons, has averagely had 160 daily
More heavy-duty freight cars run quickly on the road of dirt road seemingly, although the flatness on road surface is good not as bituminous paving, not
Frost boiling and serious track, and in the road for just not becoming fine logical rain resistance using the road for stablizing soil：From South Africa and Canadian regard
Frequency data also indicates that the vehicle that the road that no bituminous paving is mated formation up to 4000/day (may be car and logical
Toward the road in mining area, Laying Asphalt Surface Course is gone back using the road some after for many years).It is of the invention thus, plan multilayered structure
Solidification soil layer substitutes traditional base containing building stones, inorganic binder, and overlays pervious asphalt face layer, (uses pervious asphalt layer
Purpose be to ensure to cure that the early stage of soil layer can be by the ventilative discharge free water of the macroporosity of pervious asphalt layer, to promote
The growth of intensity) make not produce sandstone area including Shanghai, without transporting outward a large amount of sand materials of mountain area processing, save capacity
With the energy consumption of broken building stones, there is energy conservation and environmental protection, protecting ecology various superiority such as project cost are reduced, to change
Shanghai, which is built the road, must largely use the tradition of crushed stone, become a major transformation in the road-making material development history of Shanghai.
Service condition both domestic and external is taken a broad view of, although having many practical records, economic benefit and social benefit are also more apparent,
But it is showed no the evaluation index for proposing to combine domestic road industry and its corresponding design method and construction technology at present, it is difficult to
It is promoted and applied in professional road agency.For this purpose, quasi- first build an Experiment Road in the Qingpu Shanghai area towns Ying Pu, by carrying out a system
The design method in conjunction with China's specification and work of reasonably constructing are explored in the detection of row expert data and the theoretical research of Simple And Practical
Skill.It is laid a solid foundation to expand using creating conditions with further genralrlization.
Invention content
The present invention proposes that a kind of road cement stablizes soil and stablizes native construction method with environment-friendly water-based solidification, and speed of application is fast,
Energy conservation and environmental protection, recycling, protecting ecology effectively reduce cost.
In order to achieve the above object, the present invention proposes that a kind of road cement stablizes soil and stablizes soil construction with environment-friendly water-based solidification
Method includes the following steps：
To pavement of road base carry out milling processing, milling depth be subject to cement stabilized soil design top surface absolute altitude；
Cement stabilized soil construction is carried out to road, carries out spread cement treated successively, processing is mixed and stirred in milling, at the integer that paves
Reason rolls processing and health processing；
Roadside is cured required soil after completing lower layer's cement roller compacted stabilized soil also to fill out, uses road roller after also filling out respectively
Pacifically machine carries out absolute altitude leveling；
Road cure and stablizes soil construction, carries out spilling curing agent processing successively, processing is mixed and stirred in milling, at the integer that paves
Manage and roll processing.
Further, described that milling processing is carried out to pavement of road base to carry out road three-hybrid system with cold regenerative machine
Whole millings are turned over after milling and are transported on or near roadside, in case the regeneration of later three slag uses, then it is with cold regenerative machine that 30cm is native
Roadbed topsoil carries out milling, and digs to for use on road roadside.
Further, soil natural moisture content is detected before the spread cement, construction water content is within 28%, when aqueous
Measure it is excessively high more than 28% when, the lime that fluff up and sun or spread 2% are first carried out with cold regenerative machine carries out pre- mix, absorbs in soil
Moisture, the construction of spread cement is carried out after water content is reduced again.
Further, the spread cement treated uses 8% cement consumption and not less than 30cm soil thickness, dispenses lime
Grid, to ensure that the accuracy of cement consumption, cement consumption are 48kg/m by composition design plus 1% control, cement spreading amount2。
Further, milling mixes and stirs the machinery of processing cold regenerative machine, the machinery is used to mix in cement stabilized soil construction
With breadth 2.3m, primary compacted thickness 30cm, the gait of march of mixing and stirring by 5m/min~6m/min controls, secondary mix gait of march
It controls by 8m/min~9m/min, is completed since mix to rolling finishing control in two hours.
Further, health processing carries out health using covering geotextiles and special sprinkling truck, preserving period for 5~
7 days, vehicle pass-through is limited during health.
Further, the environment-friendly water-based solidification is stablized soil construction and is fully completed before jelling time, if in water
It can not complete to construct in the mud presetting period, cement addition retarder was extended into the presetting period to 360 minutes.
Further, the waterborne curing agent uses CBR-Plus waterborne curing agents, water is blended into curing agent, ratio is
200:1, sprinkling curing dose is 13.95ml/ squares in every square of work surface.
Further, milling mixes and stirs processing using cold regenerative machine in the stable soil construction of the solidification, which mixes and stirs breadth
2.3m, this once mix and stir compacted thickness 30cm, gait of march by 6m/min~8m/min control, single width regeneration construction to one
After operation segment endpoint, regenerating device is constructed down to the second width, at longitudinal seam the overlapping of adjacent two width work surface be not less than 10cm,
Mix pass is two times.
Further, the cement stabilized soil construction and solidification, which are stablized, paves integer processing first to use road roller in soil construction
Static pressure 2 times, then it is quickly just 2 times flat on working face with land leveller, recess is rebuild, with land leveller by the absolute altitude platform of reinspection
Shaping, land leveller is struck off from unilateral side to Lu Zhizheng when shaping, and shaping is whole by the defined gradient and road camber requirements progress
Soil layer after shape is without regenerating device wheelmark and the segregation phenomenon that gathers materials.
Further, the cement stabilized soil and environment-friendly water-based solidification, which are stablized, rolls processing as when stable soil in native construction
Moisture content is optimum moisture content, i.e., when+1%~2%, is rolled immediately, rolls and is carried out from horizontal slope lower to higher position, is ground
Pressure work must be completed before the initial set of cement, and single width rolls length control within 100m, and 1/3 is overlapped when road roller rolls
Wheel is wide, and trailing wheel is more than two sections of seam crossing.
Further, it is as follows to roll processing routine in constructing for the cement stabilized soil and the stable soil of environment-friendly water-based solidification：With
With regenerating device vibrated roller by a narrow margin high frequency voltage stabilizing one time, and then amplitude low-frequency rolls 2 times, land leveller is just flat, vibration pressure
Road machine amplitude low-frequency rolls one time, land leveller essence is flat, vibrated roller amplitude low-frequency rolls three times while rubber-tyred roller coordinates
It rolls three times, and must roll and finish before jelling time.
Road cement proposed by the present invention stablizes soil and stablizes native construction method with environment-friendly water-based solidification, using CBR-Plus water
Property curing-agent-stabilized s oil cure and to stablize soil construction, can make including Shanghai including not produce sandstone regional, without transporting outward mountain
A large amount of sand materials of area's processing, save the energy consumption of capacity and broken building stones, have energy conservation and environmental protection, recycling, protecting ecology, drop
Various superiority such as low project cost must largely use the tradition of crushed stone to change to build the road.
Description of the drawings
The road cement that Fig. 1 show present pre-ferred embodiments stablizes soil and the stable native construction method of environment-friendly water-based solidification
Flow chart.
Specific implementation mode
The specific implementation mode of the present invention is provided below in conjunction with attached drawing, but the present invention is not limited to the following embodiments and the accompanying drawings.Root
According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing be all made of it is very simple
The form of change and use non-accurate ratio, be only used for conveniently, lucidly aid in illustrating the embodiment of the present invention purpose.
Referring to FIG. 1, the road cement that Fig. 1 show present pre-ferred embodiments stablizes soil and environment-friendly water-based solidification stabilization
Native construction method flow chart.The present invention proposes that a kind of road cement stablizes soil and stablizes native construction method, packet with environment-friendly water-based solidification
Include the following steps：
Step S100：Milling processing is carried out to pavement of road base, milling depth designs top surface absolute altitude with cement stabilized soil
Subject to；
Step S200：Cement stabilized soil construction is carried out to road, carries out spread cement treated successively, processing is mixed and stirred in milling,
The integer that paves processing rolls processing and health processing；
Step S300：Roadside is cured required soil after completing lower layer's cement roller compacted stabilized soil also to fill out, is divided after also filling out
With road roller, pacifically machine does not carry out absolute altitude leveling；
Step S400：Environment-friendly water-based solidification is carried out to road and stablizes soil construction, carries out spilling waterborne curing agent processing, milling successively
Plane mixes and stirs processing, and the integer that paves handles and roll processing.
It is described that milling processing is carried out to pavement of road base to use road three-hybrid system according to present pre-ferred embodiments
Cold regenerative machine carries out whole millings, turns over and is transported on or near roadside after milling, in case the regeneration of later three slag uses, then with it is cold again
30cm dirt road epibasal tier soil is carried out milling by life, and is dug to for use on road roadside.
Soil natural moisture content is detected before the spread cement, construction water content is within 28%, when water content is excessively superb
When 28%, the lime that fluff up and sun or spread 2% or so are first carried out with cold regenerative machine carries out pre- mix, absorbs the water in soil
Point, the construction of spread cement is carried out after water content is reduced again.
The spread cement treated uses 8% cement consumption and not less than 30cm soil thickness, lime grid is dispensed, to protect
The accuracy for demonstrate,proving cement consumption, cement consumption considers that every loss of construction site, cement consumption are set by composition in construction
Meter plus 1% control, cement spreading amount are 48kg/m2。
Milling mixes and stirs the machinery of processing cold regenerative machine, the machinery is used to mix and stir breadth in cement stabilized soil construction
2.3m, primary compacted thickness 30cm, the gait of march of mixing and stirring must accomplish slow, uniform, company by 5m/min~6m/min controls
Continuous, single width is constructed to an operation segment endpoint, and regenerating device and sprinkling truck are constructed down to the second width, adjacent two at longitudinal seam
The overlapping of width work surface is not preferably less than 10cm.Water content in order to control answers field sampling to measure original soil natural moisture content before construction, and
It is anticipated according to natural moisture content, increases drop water content.Waterborne curing agent mix number is secondary, and second of mix is advanced
Speed is controlled by 8m/min~9m/min, is completed since mix to rolling finishing control in two hours.
The health processing carries out health using covering geotextiles and special sprinkling truck, and watering amount and frequency are to ensure it
Subject to surface wettability, it is forbidden to use gravity flow sprinkling truck.According to temperature situation, this preserving period is 5~7 days, is limited during health
Vehicle pass-through processed.Should construct next process in time after health is expired.It is direct that not health can be used in cement stabilized soil as needed
It carries out upper layer solidification and stablizes native synchronous construction.
The environment-friendly water-based solidification is stablized soil construction and is fully completed before jelling time, if in jelling time
It is interior to complete to construct, cement addition retarder was extended into the presetting period to 360 minutes.
The waterborne curing agent uses import CBR-Plus waterborne curing agents, water is blended into curing agent, ratio 200:
1, sprinkling curing dose is 13.95ml/ squares in every square of work surface.Soil used in this road segment segment is soil in original dirt road base
Source, native silt content need to be less than 30%, and there is no the sundries such as apparent stone, manually choose before need to constructing if any stone.Construction
Preceding measurement original soil cylinder water content, optimum moisture content water content be 17%, must not exceed 18%, more than need to be tedded or other
Method carries out drop water content operation, and not up to standard water-content must not construct.According to identified environment-friendly water-based curing agent stoste
Every square of 13.95ml and solidification soil thickness (30cm), dispense lime grid, to ensure the accurate of environment-friendly water-based hardener dose
Property.According to the water content of the original soil in scene, first water is blended into curing agent at the scene before construction, ratio 200:1, every square of sprinkling
Curing dose is 13.95ml/ squares, using being manually equably sprinkled upon waterborne curing agent dilution in work surface with kettle.
The environment-friendly water-based solidification stablizes milling in soil construction and mixes and stirs processing using cold regenerative machine, which mixes and stirs breadth
2.3m, this once mix and stir compacted thickness 30cm, gait of march by 6m/min~8m/min control, and must accomplish it is slow, uniform,
Continuously, after single width regeneration construction to an operation segment endpoint, regenerating device is constructed down to the second width, adjacent two width at longitudinal seam
The overlapping of work surface is not less than 10cm, and mix pass is two times.
The cement stabilized soil construction and environment-friendly water-based solidification, which are stablized, paves integer processing first to use road roller in soil construction
Static pressure 2 times, then it is quickly just 2 times flat on working face with land leveller, recess is rebuild, with land leveller by the absolute altitude platform of reinspection
Shaping, land leveller is struck off from unilateral side to Lu Zhizheng when shaping, returns again to scrape one time when necessary, and shaping will be by defined slope
Degree requires to carry out with road camber, and the soil layer after shaping is without regenerating device wheelmark and the segregation phenomenon that gathers materials.
The cement stabilized soil and environment-friendly water-based solidification, which are stablized, rolls processing to be when stablizing soil's water content in soil construction
Optimum moisture content when that is,+1%~2%, is rolled immediately, is rolled and is carried out from horizontal slope lower to higher position, rolling work must
It must be completed before the initial set of cement, single width rolls length control within 100m.When rolling, first light rear weight should be followed, it is first quiet
Dynamic principle carries out afterwards, should be overlapped that 1/3 wheel is wide, and trailing wheel must be over two sections of seam crossing, rear wheel load when vibrated roller rolls
When complete full-surfaced width, as one time, the compaction moulding in jelling time.
Rolling processing routine in the cement stabilized soil and the stable soil construction of environment-friendly water-based solidification is：Follow the 22 of regenerating device
Ton vibrated roller by a narrow margin high frequency voltage stabilizing one time, and then amplitude low-frequency rolls 2 times (to be compacted regeneration zone lower part 2/3), flat
Ground machine is just flat, 22 tons of road roller amplitude low-frequencies roll one time, land leveller essence is put down, road roller amplitude low-frequency rolls three times, simultaneous wheels
The cooperation of tire road roller rolls three times (obtain closely coupled texture), and must roll and finish before jelling time, makes
Road bed is smooth closely knit, and no apparent wheelmark or protuberance phenomenon, section is correct, road camber appropriateness.Detection compactness and thickness meet
Design requirement.Terminate in two hours from mix to rolling.In roller compaction process, following item should be noted：
(1) forbid road roller to reverse end for end or bring to a halt on section that is completed or rolling, should ensure that road bed
It is not damaged.
(2) in roller compaction process, road bed should remain moistening, if moisture evaporation is too fast, should mend in time spread it is suitable
Water.
(3) in roller compaction process, phenomena such as if any spring, loose, peeling, it should open and mix and stir again in time, reach matter
Amount requires.
The feature that soil is stablized in CBR-plus solidifications is to be not necessarily to conditioned time, and CBR-plus is not necessarily to after stablizing soil construction
Health is carried out, can directly carry out upper structural layer construction after qualification after testing.
In conclusion road cement proposed by the present invention stablizes soil stablizes native construction method with environment-friendly water-based solidification, use
CBR-Plus waterborne curing agents stablize soil and carry out curing stable soil construction, can make not produce sandstone area including Shanghai,
Without transport outward mountain area processing a large amount of sand materials, save capacity and broken building stones energy consumption, have energy conservation and environmental protection, protecting ecology,
Various superiority such as project cost are reduced, the tradition of crushed stone must be largely used to change to build the road.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (12)
1. a kind of road cement stablizes soil and stablizes native construction method with environment-friendly water-based solidification, which is characterized in that include the following steps：
To pavement of road base carry out milling processing, milling depth be subject to cement stabilized soil design top surface absolute altitude；
Cement stabilized soil construction is carried out to road, carries out spread cement treated successively, processing is mixed and stirred in milling, the integer that paves processing,
Roll processing and health processing；
Roadside is cured required soil after completing lower layer's cement roller compacted stabilized soil also to fill out, uses road roller peace after also filling out respectively
Ground machine carries out absolute altitude leveling；
Environment-friendly water-based solidification is carried out to road and stablizes soil construction, carries out spilling waterborne curing agent processing successively, processing is mixed and stirred in milling, is spread out
Paving integer handles and rolls processing.
2. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In described to carry out milling processing to pavement of road base as road three-hybrid system is carried out whole millings, milling with cold regenerative machine
After turn over and be transported on or near roadside, in case the regeneration of later three slag uses, then with cold regenerative machine by 30cm dirt road epibasal tier soil into
Row milling, and dig to for use on road roadside.
3. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In detection soil natural moisture content before the spread cement, construction water content is within 28%, when water content is excessively high more than 28%
When, the lime that fluff up and sun or spread 2% are first carried out with cold regenerative machine carries out pre- mix, the moisture in soil is absorbed, aqueous
Amount carries out the construction of spread cement again after reducing.
4. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In the spread cement treated uses 8% cement consumption and not less than 30cm soil thickness, lime grid is dispensed, to ensure water
The accuracy of mud dosage, cement consumption are 48kg/m by composition design plus 1% control, cement spreading amount2。
5. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In, in the cement stabilized soil construction milling mix and stir the machinery of processing and use cold regenerative machine, which mixes and stirs breadth 2.3m, primary
Compacted thickness 30cm, gait of march are mixed and stirred by 5m/min~6m/min controls, secondary mix gait of march presses 8m/min~9m/
Min is controlled, and is completed since mix to rolling finishing control in two hours.
6. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In the health processing carries out health using covering geotextiles and special sprinkling truck, and preserving period is 5~7 days, is limited during health
Vehicle pass-through processed.
7. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In the environment-friendly water-based solidification is stablized soil construction and is fully completed before jelling time, if the nothing in jelling time
Method completes construction, and cement addition retarder was extended the presetting period to 360 minutes.
8. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In the waterborne curing agent uses the CBR-Plus waterborne curing agents by import, water is blended into waterborne curing agent, ratio is
200:1, sprinkling curing dose is 13.95ml/ squares in every square of work surface.
9. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
Stablize milling in soil construction in, the environment-friendly water-based solidification and mix and stir processing and use cold regenerative machine, the machinery mix and stir breadth 2.3m, this
Secondary primary compacted thickness 30cm, the gait of march of mixing and stirring is by 6m/min~8m/min controls, single width regeneration construction a to job step
After terminal, regenerating device is constructed down to the second width, the overlapping of adjacent two width work surface is not less than 10cm, mix time at longitudinal seam
Number is two times.
10. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
In it is first to use road roller static pressure 2 that the integer processing that paves in soil construction is stablized in the cement stabilized soil construction and environment-friendly water-based solidification
Time, then it is quickly just 2 times flat on working face with land leveller, recess is rebuild, and the absolute altitude platform shaping of reinspection is pressed with land leveller,
Land leveller is struck off from unilateral side to Lu Zhizheng when shaping, and shaping will be carried out by the defined gradient and road camber requirement, after shaping
Soil layer without regenerating device wheelmark and gather materials segregation phenomenon.
11. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
Stablize in, the cement stabilized soil and environment-friendly water-based solidification and rolls processing in soil construction to be most preferably to contain when stablizing soil's water content
Water rate when that is,+1%~2%, is rolled immediately, is rolled and is carried out from horizontal slope lower to higher position, rolling work must be in water
It is completed before the initial set of mud, single width rolls length control within 100m, and 1/3 wheel of overlapping is wide when road roller rolls, and trailing wheel is more than
Two sections of seam crossing.
12. road cement according to claim 1 stablizes soil and stablizes native construction method with environment-friendly water-based solidification, feature exists
Stablize that roll processing routine in soil construction as follows in, the cement stabilized soil and environment-friendly water-based solidification：Follow the vibration of regenerating device
Road roller by a narrow margin high frequency voltage stabilizing one time, and then amplitude low-frequency rolls 2 times, land leveller is just flat, vibrated roller amplitude low-frequency is ground
Pressure one time, land leveller essence is flat, vibrated roller amplitude low-frequency rolls three times while rubber-tyred roller cooperation rolls three times, and must
It must roll and finish before jelling time.
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| CN109629361A (en) * | 2018-12-26 | 2019-04-16 | 陕西鼎固建筑工程有限公司 | A kind of roadbed construction method |
| CN110904757A (en) * | 2019-11-18 | 2020-03-24 | 何小钟 | Construction method of lime soil roadbed |
| CN111197304A (en) * | 2020-02-13 | 2020-05-26 | 夏喜明 | Multipurpose equipment that civil engineering splitting slip casting was used |
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| CN113699852A (en) * | 2021-08-13 | 2021-11-26 | 北京中德建基路桥工程技术有限公司 | Environment-friendly high-strength solidified soil construction process |
| CN113668336A (en) * | 2021-08-27 | 2021-11-19 | 中国十七冶集团有限公司 | Road base construction method |
| CN114277629A (en) * | 2021-12-08 | 2022-04-05 | 上海建工四建集团有限公司 | Construction method of water aqua solidified soil layer road subgrade |
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