CN101824326A - Soil stabilizer and application method thereof - Google Patents
Soil stabilizer and application method thereof Download PDFInfo
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- CN101824326A CN101824326A CN200910058502A CN200910058502A CN101824326A CN 101824326 A CN101824326 A CN 101824326A CN 200910058502 A CN200910058502 A CN 200910058502A CN 200910058502 A CN200910058502 A CN 200910058502A CN 101824326 A CN101824326 A CN 101824326A
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Abstract
The invention belongs to the technical field of road construction, in particular relating to a soil stabilizer and an application method thereof, which is composed of 3-9% of acrylic resin, 3-12% of salt, 4-12% of mineral oil, 3-7% of cellulose and the balance water. The application method is as follows: spreading cement in soil, adding diluent of the soil stabilizer, evenly mixing, and curing to obtain a novel roadbed combined the cement, the soil stabilizer and the soil; and spreading bitumen or cement concrete on the roadbed on the roadbed. The invention enables the soil stabilizer to cohere with soil particles and cement by using the coordination of the stabilizer, thus having good adhesiveness. The occurrence possibility of soil cracks caused by contraction and weight is reduced due to the action of minitype rubber band of the product. After being mixed, the cellulose in soil stabilizer and cement do not swell, can absorb a certain amount of moisture, and plays a big role in assisted maintenance. Meanwhile, salts in the soil stabilizer, such as calcium chloride and the like can speed up the hydration reaction of cement. The soil stabilizer is characterized by easy construction, low cost, and stable structure, and environment protection, and is used in various aspects such as civil construction and road construction and the like.
Description
Technical field: the invention belongs to the road construction technical field, be specifically related to a kind of soil-solidified-agent and using method thereof.
Background technology: in existing road construction project, because the material of traditional road surface structare layer may be because the factors such as requirement of intensity and bearing capacity, the intensity of road surface structare layer (basic unit and subbase) be must increase in the design, thereby material cost, increasing difficulty of construction and duration increased.Therefore, the improvement road surface structare layer increases its bearing capacity, reduces the intensity of road surface structare layer (basic unit and subbase), shortens the construction period, and construction cost is significantly reduced; Its effective means is the cement stabilization facture, claims cement stabilized soil again.Yet, though regrettably cement stabilized soil has certain intensity, be easy to generate the crack water capacity and easily infiltrate, and expanded with heat and contract with cold by the weather factor affecting, destroy roadbed so that the road surface is damaged.During at present highway in China was built, highway subgrade remained the employing traditional material, comprises lime, cement, rubble, gravel etc., also was traditional four to close material.Obtaining these traditional materials need cut into a mountain for quarrying, and cut into a mountain for quarrying and can cause serious destruction to natural ecological environments such as looks riverss and creekss, mountain, and also need a large amount of artificial and trucking costs, in production, transportation, surrounding environment is also had pollution, thereby to close material be trend of the times to replace traditional four to develop new product, extremely urgent.
Summary of the invention: the objective of the invention is to overcome highway subgrade and adopt that traditional material is existing must clear the roadbed spoir; add the sandstone material; lay the basic unit and the subbase building stones of two-stage thickness at least; and long construction period; the construction cost costliness; maintenance cost height; road damages the road surface because of infiltration destroys roadbed; the technical barriers such as side effect that natural ecological environment is done great damage; can adopt new engineering construction technology for people provide a kind of Road construction person of making, technology is simple; easy to use; the highway subgrade novel material soil-solidified-agent and the using method thereof of protection environment.
The objective of the invention is to realize by following technical proposals.
Soil-solidified-agent of the present invention, it consists of acrylic resin 3-9%, salt 3-12%, mineral oil 4-12%, Mierocrystalline cellulose 3-7%, Yu Weishui.
In the such scheme, described salt is calcium chloride or sodium-chlor.
In the such scheme, described mineral oil is industrial grade white oil.
In the such scheme, described Mierocrystalline cellulose is a Polyanionic Cellulose.
In the such scheme, the soil-solidified-agent consumption is 1% of a cement consumption---15%, and cement consumption is the 5-10% of soil weight.
In the such scheme, the soil-solidified-agent consumption better is the 4-6% of cement consumption.
The using method of soil-solidified-agent of the present invention, or claim that construction procedure has two kinds: a kind of is " plantmix's formula ", and another kind is " a mix formula on the spot ", and wherein the processing step of " plantmix's formula " is:
1. according to traffic flow and the required groundwork thickness of Design of Bearing Capacity;
2. the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
3. all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
4. carry out the processing and the roll extrusion of roadbed by the design strength of soil-solidified-agent;
5. determine basic unit's soil treatment degree of depth, the traffic loading and the climate condition that must bear with practicality;
6. according to the on-site soil situation, press proportional quantity shop watering mud;
7. record pre-as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and soil-solidified-agent thereof;
8. select to satisfy the soil that the best as roadbase fetches earth, promptly select to use the soil-solidified-agent optimum quantum of utilization can bring up to the native field soil of maximum CBR value;
9. sift out and fetch stone bigger in the soil and the bigger humus of volume, branch etc. for example, and pulverize soil as far as possible;
10. according to the best proportioning of soil-solidified-agent and the optimum moisture content of soil, mix well the diluent of soil-solidified-agent;
11. by calculate when the soil side of time mix amount or weight can reach the moisture of the required increase of optimum moisture content after, add in the soil of desiring mix according to result calculated and implement plantmix and close being in harmonious proportion uniform soil-solidified-agent diluent, safety is mix evenly;
12. the uniform soil of mix is transported to the working-yard, carries out the laying of roadbase according to design altitude;
13. with the compacting back and forth of bull wheel vibration-type street roller, to get rid of space and inhomogeneous water status;
14. note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation, can utilize motorized grader to wipe off to designed elevation;
15. the road surface is modified the drainage grade of wipeing off and forming design requirements really with motorized grader at last;
16. do surface layer with street roller again, last roll extrusion is modified;
17. detect the on-the-spot soil density of completion every other day immediately, if degree of consolidation reaches 95% or when higher, promptly available pitch or cement concrete carry out seal.
In the such scheme, the processing step of described " mix formula on the spot " is:
1. according to the groundwork thickness of traffic flow and the required processing of Design of Bearing Capacity;
2. the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
3. all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
4. determine basic unit's soil treatment degree of depth, to adapt to the traffic loading and the climate condition that must bear;
5. according to the on-site soil situation, press proportional quantity shop watering mud;
6. with rotary cultivator scarifying road surface soil, do stirring;
7. record in advance as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and " road gold " thereof;
8. if the water content of building-site soil is less, can adds water earlier the water content of soil is improved a little, and full and uniform stirring;
9. when if the water content of building-site soil is higher than the water content of requirement because of rainy or other reason, need wait for that then soil moisture content drops to the proportioning water content that can construct and just can construct
10. the diluent that adds " road gold " and water makes the water content of soil reach optimum moisture content in soil;
11. use road-mixed machine maybe other preparation of construction that " road gold " and soil can stir fully can be carried out job mix; After mix is even, use the compacting back and forth of macro-energy vibration-type street roller immediately, to get rid of space and inhomogeneous water status;
12. note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation, can utilize motorized grader to wipe off to designed elevation;
13. the road surface is modified the drainage grade of wipeing off and forming design requirements really with motorized grader at last;
14. do surface layer with street roller again, last roll extrusion is modified;
15.3 promptly detected the on-the-spot soil density of completion in～7 hours, if degree of consolidation reaches 95% or when higher, promptly available pitch or cement concrete carry out seal.
The present invention is that the contriver is by putting into practice the technical scheme of the science practicality of groping out for many years, the lime that adopts with traditional highway subgrade, cement, rubble, gravels etc. four close material and compare, product of the present invention (abbreviating " road gold " as) is a kind of good high-tech New Building Materials additive, " road gold " is chemical liquid agent, can not damage skin and physical environment, main component is the acrylic resin emulsion polymer, Mierocrystalline cellulose and calcium chloride, latex is coordinated to make soil particle and cement bonding mutually, and viscosity strengthens, the effect of product " miniature rubber ring " reduces contraction and with weight soil is caused fissured possibility, can not swell after Mierocrystalline cellulose and the cement mixing, and can absorb quantitative moisture content, assist maintenance action, and calcium chloride can make the hydration reaction of cement accelerate.The product physical and chemical index is: outward appearance: white viscose liquid, and 100 ℃ of boiling points, during proportion 1.057 (20 ℃), toxicity: nontoxic, non-environmental-pollution.Soil has been broken in the appearance of this product can't form the limitation of solidifying object with the cement polymerization, thereby is built the worker, building trade created a brand-new life.Especially at road performance, river levee, sea wall, reservoir fill, parking space etc., need curing soil, and traditional technology involves great expense, and the problem of aspect such as drawback is many again, " road gold " product has given to solve effectively.Simultaneously to brick, watt etc. the production process of building materials revolution brand-new development prospect also is provided.
Product of the present invention also has following characteristics:
1, directly reduces construction costs 10～30% (basic unit firmly can reduce pitch thickness, decide on category of roads);
But 2 reductions of erection time 1/3, can average one group of machinery manpower be finished 7000～8000m every day? roadbed;
3, constructing road need not to re-lay price expensive day by day sandstone or rubble gradating material, more can continue forever the maintenance of rivers and creeks and water and soil, and basic unit does not need tradition four to close material sandstone cement to do concrete one autochthonous soil and infiltrate road gold (lujin) solidifying agent and get final product;
4, strong as the plate of loess plateau behind the base layer construction, and for flexible roadbed, ultimate compression strength be the traditional material twice above, can prolong road working life, (ultimate compression strength can reach every square of 115kg/cm (11.7Mpa) look soil type variant); Maintenance cost is reduced to extremely low, also can reduce stirring up a cloud of dust in the construction;
5, institute's road of building is firm flexible, can bear frequent traffic and high load-carrying, and can resist humidity and prevent freezing injury;
6, needn't excavate, transport the existing soil of abandoning the design road surface, reduce the destruction of high load-carrying vehicle, and not have and to throw aside the worry that soil damages environment existing road;
7, the product non-corrosiveness, nontoxic, meet environment and energy-conservation state basic policy;
8, road stability of Jian Zaoing and excellent strength thereby wearing course (oil mat) can be saved a lot of;
9, the may command rainwater is to the erosion of upper soll layer, prevent the loss of soil subparticle thereby keep the stable of soil, if appoint the loss of subparticle then can make the surface soil layer instability, produce collapse in the future, projection, recessed phenomenon.
In sum, concrete shape thing and hardness height can congeal into after this product biggest advantage is to mix with Portland cement and on-site soil and stirs, need not dry, condense rapidly, in 4 hours, can form high strength, and water resistance is good, wear-resisting durable, stability is strong, concrete with low cost (generally having only about the 50%-60% of Steel Concrete expressway cost), and its unique high strength is drawn poly-power, after making mixture in a single day form concrete shape thing, strong firm and durable.Because performance is good, cost is low, is replacing in highway construction and will eliminate the steady layer concrete of traditional water, and becoming main material of construction.Compare with conventional cement concrete, have and needn't add the sandstone material, also do not require reinforcing bar, this point itself will be brought huge interests, especially in the side area or the area of sandstone material costliness.Combination by cement and specific soil solidification material, draw poly-power in the high strength that forms under the high molecular polymerization effect between the native sandstone material, mixture is after height weight forms concrete shape thing, strong durable, because of its impermeable physical characteristics, solved road and destroyed the technical barrier that roadbed damages the road surface because of the crack infiltration.Almost all can be combined into strong concrete shape thing because of its Technology again with the material of all occurring in natures, promptly be to need not to add the sandstone material with its maximum advantage, and utilize working-yard soil and cement mix to add specific curing material promptly to can be made into concrete, needn't employ a large amount of vehicles sand transportation building stones.Except that saving transportation cost, material cost, work construction cost, also can prevent the pollution of the environment and the destruction of physical environment during shot material.Road has built up and can pass through in 3-7 hour, routine servicing and repair simple and easy to doly, and only needing on the spot, padding and compacting gets final product.Especially hotly do not expand, cold shrinkproof characteristic, still be the area of cold in severe winter no matter in the hot area, all can use.Because economy, the accessibility of this product, the steady layer concrete of the comparable traditional water of speed of application exceeds 3/4ths, need concrete and because of the place that can't use with high costs many, as the big area coagulation structures such as barrage of roadbed, parking lot, hydropower station, " road gold " all can exhibit one's skill to the full.Aspect covil construction, can be used to make precoated plate, also can utilize waste such as rice bar, straw, charcoal ash etc. make the brick of light high-intensity, watt, even can use sea sand to be mixed material, and need not consider the destruction of the salt of seawater to cement, therefore can be used to build the flood-control wall on seashore, and can be because of the erosion generation avalanche of seawater salt.Therefore, " road gold " can be used for all respects of civil construction.Be applied to the road building aspect
The invention is further illustrated by the following examples, and the present invention is not limited only to described embodiment.
Description of drawings:
Fig. 1 is undressed Soil structure synoptic diagram
Fig. 2 is the Soil structure synoptic diagram through product treatment of the present invention
Among the figure: 1. soil particle; 2. free-water; 3. capillary water; 4. planar water.
Embodiment:
Embodiment one
With acrylic resin 9%, calcium chloride 12%, industrial grade white oil 12%, Polyanionic Cellulose 7%, Yu Weishui fully stirs and makes soil-solidified-agent.
Construct by the processing step of following " plantmix's formula " then:
1. according to traffic flow and the required groundwork thickness of Design of Bearing Capacity;
2. the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
3. all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
4. carry out the processing and the roll extrusion of roadbed by the design strength of " road gold ";
5. determine basic unit's soil treatment degree of depth, the traffic loading and the climate condition that must bear with practicality;
6. according to the on-site soil situation, press proportional quantity shop watering mud; This routine cement consumption is that 8% of soil weight evenly is sprinkled upon cement in the soil that turns over,
7. record in advance as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and " road gold " thereof; This example " road gold " is 5% of a cement consumption;
8. select to satisfy the soil that the best as roadbase fetches earth, promptly select to use " road gold " optimum quantum of utilization can bring up to the native field soil of maximum CBR value;
9. sift out and fetch stone bigger in the soil and the bigger humus of volume, branch etc. for example, and pulverize soil as far as possible;
10. according to the best proportioning of " road gold " and the optimum moisture content of soil, mix well the diluent of " road gold " solidifying agent;
11. by calculate when the soil side of time mix amount or weight can reach the moisture of the required increase of optimum moisture content after, will be in harmonious proportion uniformly that " road gold " diluent adds in the soil of desiring mix and implements plantmix and close according to result calculated, the even mix of safety;
12. the uniform soil of mix is transported to the working-yard, carries out the laying of roadbase according to design altitude;
13. with the compacting back and forth of bull wheel vibration-type street roller, getting rid of space and inhomogeneous water status, as with 14～16 tons of street roller roll extrusion, then disposable roll extrusion thickness can reach 20cm;
14. note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation, can utilize motorized grader to wipe off to designed elevation;
15. with motorized grader the road surface is modified at last and is wipeed and form really off 2% drainage grade;
16. do surface layer with street roller again, last roll extrusion is modified (need not drive bobbing machine, only need through pressing the finishing road surface get final product) if moisture evaporates, and then can spray the diluent of a little moisture or " road gold " and do last roll extrusion modification in order to street roller;
17. detect the on-the-spot soil density of completion every other day immediately, if degree of consolidation reaches 95% or when higher, promptly available pitch or cement concrete carry out seal (surface layer).(backroad is seal not, and same mass effect is arranged);
18. when using bituminous concrete, generally can use MC-250 or emulsified bitumen, about 0.8～1 kilogram of every square centimeter usage quantity as wearing course;
Add other wearing courses (as bituminous concrete) 19. use MC-250 injection and RS-2 to mix with rubble roll extrusion seal or shop.
Embodiment two
With acrylic resin 6%, calcium chloride 8%, industrial grade white oil 8%, Polyanionic Cellulose 7%, Yu Weishui fully stirs and makes soil-solidified-agent.Above-mentioned raw materials can be from network or the market acquisition.
This routine cement consumption is that 10% of sandy soil weight evenly is sprinkled upon in the soil that turns over, and " road gold " is 6% of cement consumption.
Construct by the processing step of following " mix formula on the spot " then: { dry soil (it is more that soil moisture content is lower than optimum moisture content) or working-yard soil content use more for a long time }
1. according to the groundwork thickness of traffic flow and the required processing of Design of Bearing Capacity;
2. the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
3. all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
4. determine basic unit's soil treatment degree of depth, to adapt to the traffic loading and the climate condition that must bear;
5. according to the on-site soil situation, press proportional quantity shop watering mud;
6. with rotary cultivator scarifying road surface soil, do stirring;
7. record in advance as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and " road gold " thereof;
8. if the water content of building-site soil is less, can adds water earlier the water content of soil is improved a little, and full and uniform stirring;
9. when if the water content of building-site soil is higher than the water content of requirement because of rainy or other reason, need wait for that then soil moisture content drops to the proportioning water content that can construct and just can construct;
10. the diluent that adds " road gold " and water in soil, the water content of soil is reached { optimum moisture content+1～3%} (on construction time weather decide);
11. use road-mixed machine maybe the preparation of construction that " road gold " and soil can stir fully can be carried out job mix, after mix is even, use the compacting back and forth of macro-energy vibration-type street roller immediately, (if with 14～16 tons of street roller roll extrusion, then disposable roll extrusion thickness can reach 20cm to get rid of space and inhomogeneous water status;
12. note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation (utilizing motorized grader to wipe off) to designed elevation;
13. with motorized grader the road surface is modified at last and is wipeed and form really off 2% drainage grade;
14. do surface layer with street roller again, last roll extrusion is modified (need not drive bobbing machine, only need through pressing the finishing road surface get final product) if moisture evaporates, and then can spray the diluent of a little moisture or " road gold " and do last roll extrusion modification in order to street roller;
15.3 promptly detected the on-the-spot soil density of completion in～7 hours, if degree of consolidation reaches 95% or when higher, promptly available pitch or cement concrete carry out seal (surface layer).(backroad is seal not, and same mass effect is arranged);
16. when using bituminous concrete, generally can use MC-250 or emulsified bitumen, about 0.8～1 kilogram of every square centimeter usage quantity as wearing course;
Add other wearing courses (as bituminous concrete) 17. use MC-250 injection and RS-2 to mix with rubble roll extrusion seal or shop.
Embodiment three
During this routine soil-solidified-agent with water soluble acrylic resin 3%, sodium-chlor 5%, industrial grade white oil 4%, Polyanionic Cellulose element 3% surplusly makes for the water thorough mixing.
In the such scheme, cement consumption evenly is sprinkled upon in the soil that turns over by the cement of every square meter 10-25Kg, and " road gold " is 10% of cement consumption, the preparation of " road gold " solution: " road gold " is spissated polymer chemistry preparation, do not have toxicity, but still need to use with reference to explanation.General diluting water is about " road gold " 250 times, but need decide on the water content of on-site soil, and the water content of control soil is optimum moisture content+2～3%.Earlier clean water is injected in the waterwheel about eight to nine minutes full, this routine water yield is 8 tons, then adds 32 kilograms " road gold ", adds fashionable need stirring a little, and is even in order to solidifying agent and water thorough mixing.
Construction procedure is summarized as follows:
1, in delimiting the scope of preparing to build the road, earlier rubbish things such as tree root weeds foreign material are removed clean;
2, smooth by design requirements with the construction surface that motorized grader carries out level height, width, length;
3, be ready to various machineries, equipment, cement, water and specific soil solidification product as " road gold ";
4, turning over shoveling with rotary cultivator makes its degree of fragmentation even;
5, cement evenly is sprinkled upon in the earth of scarifying by proportional quantity (being generally earth weight 3%-10%), extremely evenly with the rotary cultivator dry mixing;
6, by required standard, proportioning soil solidification product evenly spray the roadbed stone with the water barrow;
7, be stirred to back and forth evenly with rotary cultivator;
8, use the motorized grader levelling;
9, roll back and forth this mao pavement compaction with street roller; This example is solidified product cement from mixed soil---and soil compression needs 2 hours, treats that then it condensed 3 hours, can condense into hard slick way of concrete foundations; In the roll extrusion process, at any time note the water content of soil, when if the water content of soil causes evaporation to be starkly lower than [optimum moisture content] too soon because of weather, can use waterwheel to sprinkle water again, (having need not to add " road gold " this moment), but still need restir, and must make water content become [optimum moisture content]+2～3%, the optimum moisture content of general soil is about 12%～20%.
10, after the roadbed typing, but surface layer overlay pitch or cement concrete just can become the highway of standard, and general laying depth is 5-7Cm.It is smooth too smooth as hard road use that backroad need not be laid the top layer.
11, as selecting the constructional method of concentrating spice for use, then can not do above-mentioned 4,5,6 operations, and, transport roadbed and pave by design requirements thickness with stirrer mix stone.8,9,10 get final product then.
Technical parameter: the practical type (cement consumption/dry ground weight) of roadbed cement consumption, sandy and stony soil, clay, mud soil traffic roadbed: 8%-12%, 10%-14%, 10%-14%; The common sidewalk of heavy burden type, country road, golf course road 3%-7%, 10%-15%; Provincial (secondary) highway, local road, country highway 8%-12%; Motorway (national highway) 13%-15%, 10%-15%.
Embodiment four
With acrylic resin 6-9%, calcium salt 8-12%, mineral oil 8-12%, Mierocrystalline cellulose 5-7%, Yu Weishui fully stirs and makes soil-solidified-agent, and construction procedure is with embodiment two.
In the foregoing description, on-site sampling soil water experiment method is as follows:
1. classification of soils experiment: (determine (international standard is unified classification) classification of on-site soil according to the classification of soils laboratory method of engineering purposes, one determines the usage quantity of " road gold " according to ASTM D2487-83.
2. on-site soil water content experiment:
ASTM D698 or AASHTO T265{ international standard laboratory soil basis determining method }
3. soil optimum moisture content and maximum dry density experiment:
ASTM D698 or AASHTO T99 (with 5.5 pounds of hammers, fall apart from 12 cun, hit 30 one decks, decision soil moisture content and density relationship laboratory method up and down repeatedly) difference of above-mentioned soil optimum moisture content and on-site soil water content is " road gold " diluting water amount.The present invention also can make powder-like product by prescription, converts water during use.
Embodiment five
" road gold " usage of building the road and consumption situation see Table 1.
Table 1 " road gold " and sandstone soil and cement formula ratio:
This example is 2000kg/m with the dry density of soil
3(intensive) is example, according to the design thickness of roadbed, looks the soil structure at road construction scene and points out the consumption of proportioning cement and soil-solidified-agent to reach the index of required concrete according to tabulation.Add suitable solidifying agent and can improve the intensity of soil, when the solidifying agent add-on is not suitable for, can reduce the intensity of soil on the contrary.From CBR, swell increment and solidifying agent volume relation curve as seen, 2/10000ths solidifying agent add-ons are the soil improvement optimal dose.In fixing distance difference of when construction, or the kind of banketing must do the test of best solidifying agent dosage when changing, and this worker's method can be brought into play its best effect.
In Road construction; using " road gold " key is to gather materials on the spot, and helps environment protection, and using this technology and product is according to the different proportionings of carrying out of the composition of on-the-spot silt situation; generally at the 5-10% of sandy soil weight, " road gold " is the 4-6% of cement consumption to cement consumption.Determine thickness according to category of roads, process fully stirs and shakeouts, compacting.Do not need to process again rubble and sand, do not do dog stone bed course yet.The usage ratio of product of the present invention also can also can be 3% of cement weight according to the practical situation adjustment---and 15%, as making composite brick, only need 1%---4%.During road construction, also can evenly be sprinkled upon in the soil that turns over by the cement of every square meter 10-25Kg.The soil-solidified-agent that this is routine is a kind of mixture, and it consists of it and consists of acrylic resin 3-9%, salt 3-12%, mineral oil 4-12%, Mierocrystalline cellulose 3-7%, Yu Weishui.This routine described salt is calcium salt or sodium salt, as calcium chloride, sodium-chlor or river villaumite, or other salt, its salient features: antifreeze Applicable temperature/℃ :-1 ℃～-2 ℃.This routine described mineral oil---mineral oil contains the fewer hydrocarbons of carbonatoms, promptly contains the hydrocarbon of carbon-carbon double bond or three key, as industrial grade white oil.This routine described Mierocrystalline cellulose is a Polyanionic Cellulose, and molecular formula can be write (C6H10O5) n, also can be other Mierocrystalline cellulose with similar performance.This routine novel process and traditional base layer construction method relatively see Table 2.
Table 2 novel process of the present invention and traditional base layer construction method compare:
| The tradition construction method | The new process construction method |
| Need excavate and transport that to abandon on-site soil 50～60cm thick | Do not need discarded on-site soil, directly use as material |
| Making is worth expensive aggregate grading material | Do not need to use the aggregate grading material, only " prosperous and roadbed " dosed in on-site soil to mix and be rolled into existing solid base |
| Compole is long during compacting, and the construction time is long | Can obtain the degree of consolidation that requires rapidly, thereby roll extrusion work saves more than 50%, the duration is extremely short, and can finish about 8000m every day 2Basic unit |
| Requirement according to the highway engineering standard: the intensity of flexible pavement basic unit is 21kg/cm 2(2.15MPa) intensity of rigid Base Course is 42kg/cm 2(4.29MPa) | Ultimate compression strength can reach 115kg/cm 2(11.7MPa) |
| The AC wearing course needs 10～15cm thick | Solid because of roadbase, the AC wearing course only needs 5～7cm |
| Bad because of basic unit's quality, cause the AC surface layer often to exclude and renew the upkeep cost height | Basic unit is solid, and the AC surface layer is durable, and the saving maintenance cost is very huge |
| Transport discarded soil and aggregate grading material back and forth, cause environmental pollution, high weight-carrying capacity vehicle round transport produces havoc to existing road, the more day by day frequent volume of traffic is caused great impact, and the social cost of being paid more is unable to estimate | Use " prosperous and roadbed " Technology constructing road basic unit then not have the left column problem and take place, not only environmental protection but also reach the economic benefit of high level |
| Cause the expansion or the contraction of volume easily because of the number of moisture content in the material | Because the chemical action between " road gold " and soil is irreversible chemical reaction, will make roadbed sustain its quality through age through handling |
| Not tough and tensile because of roadbed, concavo-convex phenomenon takes place in surface layer easily, in case rain, water can be dipped into basic unit, causes the road surface impaired easily, meets ice and snow weather, and basic unit is also easily freezing. | " prosperous and roadbed " passes through " road gold " effect, and basic unit is formed a tough and tensile plate, can not resist freezing, heat resistanceheat resistant because of Changes in weather changes. |
Fig. 1 is undressed Soil structure synoptic diagram, and Fig. 2 is the Soil structure synoptic diagram through product treatment of the present invention.
Claims (8)
1. a soil-solidified-agent is characterized in that it consists of acrylic resin 3-9%, salt 3-12%, mineral oil 4-12%, Mierocrystalline cellulose 3-7%, Yu Weishui.
2. described soil-solidified-agent according to claim 1 is characterized in that described salt is calcium chloride or sodium-chlor.
3. described soil-solidified-agent according to claim 1 is characterized in that described mineral oil is industrial grade white oil.
4. described soil-solidified-agent according to claim 1 is characterized in that described Mierocrystalline cellulose is a Polyanionic Cellulose.
5. described soil-solidified-agent according to claim 1 is characterized in that described soil-solidified-agent consumption is 1% of a cement consumption---15%, and cement consumption is the 5-10% of soil weight.
6. described soil-solidified-agent according to claim 5 is characterized in that described soil-solidified-agent consumption is the 4-6% of cement consumption.
7. the using method of soil-solidified-agent according to claim 1 is characterized in that the processing step of " plantmix's formula " is:
(1). according to traffic flow and the required groundwork thickness of Design of Bearing Capacity;
(2). the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
(3). all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
(4). carry out the processing and the roll extrusion of roadbed by the design strength of soil-solidified-agent;
(5). determine basic unit's soil treatment degree of depth, the traffic loading and the climate condition that must bear with practicality;
(6). according to the on-site soil situation, press proportional quantity shop watering mud;
(7). record pre-as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and soil-solidified-agent thereof;
(8). select to satisfy the soil that the best as roadbase fetches earth, promptly select to use the soil-solidified-agent optimum quantum of utilization can bring up to the native field soil of maximum CBR value;
(9). sift out and fetch stone bigger in the soil and the bigger humus of volume, branch etc. for example, and pulverize soil as far as possible;
(10). according to the best proportioning of soil-solidified-agent and the optimum moisture content of soil, mix well the diluent of soil-solidified-agent;
(11). by calculate when the soil side of time mix amount or weight can reach the moisture of the required increase of optimum moisture content after, add in the soil of desiring mix according to result calculated and implement plantmix and close being in harmonious proportion uniform soil-solidified-agent diluent, safety is mix evenly;
(12). the uniform soil of mix is transported to the working-yard, carries out the laying of roadbase according to design altitude;
(13). with the compacting back and forth of bull wheel vibration-type street roller, to get rid of space and inhomogeneous water status;
(14). note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation, can utilize motorized grader to wipe off to designed elevation;
(15). the road surface is modified the drainage grade of wipeing off and forming design requirements really with motorized grader at last;
(16). do surface layer with street roller again, last roll extrusion is modified;
(17). detect the on-the-spot soil density of completion every other day immediately,, carry out seal with pitch or cement concrete if degree of consolidation reaches 95% or when higher.
8. the using method of soil-solidified-agent according to claim 1 is characterized in that the processing step of " mix formula on the spot " is:
(1). according to the groundwork thickness of traffic flow and the required processing of Design of Bearing Capacity;
(2). the measurement of roadbed and elevation, site clearing, removal trees weeds and other foreign material;
(3). all water exhaust system and flood control problem solve and construction in advance, and road head fall and drainage grade are according to schema planning construction;
(4). determine basic unit's soil treatment degree of depth, to adapt to the traffic loading and the climate condition that must bear;
(5). according to the on-site soil situation, press proportional quantity shop watering mud;
(6). with rotary cultivator scarifying road surface soil, do stirring;
(7). record in advance as the water content of roadbase soil and the best proportioning of optimum moisture content and dry density and " road gold " thereof;
(8). if the water content of building-site soil is less, can adds water earlier the water content of soil is improved a little, and full and uniform stirring;
(9). if when the water content of building-site soil is higher than the water content of requirement because of rainy or other reason, need wait for that then soil moisture content drops to the proportioning water content that can construct and just can construct
(10). the diluent that adds " road gold " and water makes the water content of soil reach optimum moisture content in soil;
(11). use road-mixed machine maybe other preparation of construction that " road gold " and soil can stir fully can be carried out job mix; After mix is even, use the compacting back and forth of macro-energy vibration-type street roller immediately, to get rid of space and inhomogeneous water status;
(12). note measuring the elevation and the drainage grade of basic unit during the roll extrusion, make the elevation in building site meet designed elevation, can utilize motorized grader to wipe off to designed elevation;
(13). the road surface is modified the drainage grade of wipeing off and forming design requirements really with motorized grader at last;
(14). do surface layer with street roller again, last roll extrusion is modified;
(15) the on-the-spot soil density of completion hour is promptly detected in .3～7, if degree of consolidation reaches 95% or when higher, carries out seal with pitch or cement concrete.
Priority Applications (1)
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| CN200910058502A CN101824326A (en) | 2009-03-05 | 2009-03-05 | Soil stabilizer and application method thereof |
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| CN200910058502A CN101824326A (en) | 2009-03-05 | 2009-03-05 | Soil stabilizer and application method thereof |
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| CN107012755A (en) * | 2017-04-19 | 2017-08-04 | 中铁七局集团第四工程有限公司 | Aeolian sand subgrade construction method |
| CN107429163A (en) * | 2015-03-30 | 2017-12-01 | 日本制纸株式会社 | Soil solidification composition |
| CN107868663A (en) * | 2017-09-07 | 2018-04-03 | 闫星 | A kind of soil-solidified-agent for road engineering |
| CN108529987A (en) * | 2018-05-22 | 2018-09-14 | 深圳市绿志新型建材研究院有限公司 | A kind of dregs materials for wall and preparation method thereof |
| CN108660890A (en) * | 2017-03-31 | 2018-10-16 | 上海道基环保科技有限公司 | Native construction method is stablized in a kind of road cement stabilization soil and environment-friendly water-based solidification |
| CN111364305A (en) * | 2020-03-18 | 2020-07-03 | 广州众粤市政园林设计工程有限公司 | Municipal road soft soil foundation treatment method |
| CN112482356A (en) * | 2020-12-04 | 2021-03-12 | 温州正城建设有限公司 | Soft soil foundation composite treatment method |
| CN113373749A (en) * | 2021-06-22 | 2021-09-10 | 湖南工程学院 | Improved construction method for granite residual soil roadbed |
| CN114034839A (en) * | 2021-11-03 | 2022-02-11 | 广东中煤江南工程勘测设计有限公司 | Soil bonding curing agent and soil detection method |
| CN115023481A (en) * | 2020-03-16 | 2022-09-06 | 霍尔Rb私人有限公司 | Soil stabilizer |
| CN116891749A (en) * | 2023-07-13 | 2023-10-17 | 中科聚垚环保新材料科技有限公司 | Waste engine oil soil body modifier and preparation method thereof |
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| WO2013131489A1 (en) * | 2012-03-09 | 2013-09-12 | 华烁科技股份有限公司 | Asphalt pavement sustained-releasing deicing material and preparing method thereof |
| CN104674786A (en) * | 2015-01-21 | 2015-06-03 | 内蒙古科技大学 | Soil improving method for rectangular-pipe jacking construction in gravel soil layer |
| CN107429163A (en) * | 2015-03-30 | 2017-12-01 | 日本制纸株式会社 | Soil solidification composition |
| CN108660890A (en) * | 2017-03-31 | 2018-10-16 | 上海道基环保科技有限公司 | Native construction method is stablized in a kind of road cement stabilization soil and environment-friendly water-based solidification |
| CN107012755B (en) * | 2017-04-19 | 2019-06-04 | 中铁七局集团第四工程有限公司 | Aeolian sand subgrade construction method |
| CN107012755A (en) * | 2017-04-19 | 2017-08-04 | 中铁七局集团第四工程有限公司 | Aeolian sand subgrade construction method |
| CN107868663A (en) * | 2017-09-07 | 2018-04-03 | 闫星 | A kind of soil-solidified-agent for road engineering |
| CN108529987A (en) * | 2018-05-22 | 2018-09-14 | 深圳市绿志新型建材研究院有限公司 | A kind of dregs materials for wall and preparation method thereof |
| CN115023481A (en) * | 2020-03-16 | 2022-09-06 | 霍尔Rb私人有限公司 | Soil stabilizer |
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| CN111364305B (en) * | 2020-03-18 | 2022-02-01 | 广州众粤市政园林设计工程有限公司 | Municipal road soft soil foundation treatment method |
| CN112482356A (en) * | 2020-12-04 | 2021-03-12 | 温州正城建设有限公司 | Soft soil foundation composite treatment method |
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Application publication date: 20100908 |