CN101265060A - Soil solidifying material and applying method thereof on heavy load soft ground foundation - Google Patents
Soil solidifying material and applying method thereof on heavy load soft ground foundation Download PDFInfo
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- CN101265060A CN101265060A CNA2008100529039A CN200810052903A CN101265060A CN 101265060 A CN101265060 A CN 101265060A CN A2008100529039 A CNA2008100529039 A CN A2008100529039A CN 200810052903 A CN200810052903 A CN 200810052903A CN 101265060 A CN101265060 A CN 101265060A
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Abstract
The invention discloses a soil solidification material and a method for applying the material to a heavy-load soft soil foundation. The method comprises the following steps: preparing materials including EN-1 curing agent, cement, macadam, lime and clay collected on site; sun-drying and pulverizing the clay collected on site; mixing and stirring the materials at the given ratio to obtain a material mixture; paving on site and rolling; spraying with water and curing for 7 days; and paving another mixture until the previous layer meets the strength requirements. The inventive soil solidification material can greatly improve the performance of the existing solidification materials such as lime, cement and coal ash. The soil is cured on site by the soil solidification material as road base or treatment layer, which solves the problems of the conventional solidification material as road base or treatment layer, such as low strength and poor water resistance, ensures the road base and road surface of road and city road to meet the requirements for underground and surface water, and improves the strength and water resistance of road base and foundation layer.
Description
Technical field
The present invention relates to a kind of soil curing material, the invention particularly relates to a kind of soil curing material and the application method on heavy load soft ground foundation thereof.
Background technology
The heavy-duty day by day of the increasing considerably of the volume of traffic, vehicular load proposes requirements at the higher level to roadbed, ground surface material performance, road-making material-the soil that generally adopts in the engineering does not more and more satisfy the requirement of technology, the discarded land occupation in the on-the-spot spoil of big area source, large stretch of excavation of ploughing is caused in muck haulage source far away again; Meanwhile, progressively perfect along with the national energy environmental protection policy, the requirements such as land wastage, environmental pollution that make full use of, avoid to existing material in engineering obtain people's common concern, people recognize gradually that also the maximum soil of use also is Nonrenewable resources in the engineering, and it is extremely necessary giving full play to its exclusive effect in engineering.So the requirement of the contradiction engineering technical personnel that always puzzling are particularly more obvious in recent years.
From the whole nation, the various places soil type is various, character is different, and glassware for drinking water there is severe dependency, ground, underground water are extremely serious to its performance impact, particularly the most native sources of soft clay area can't directly utilize, all need utilize materials such as cement, lime, flyash, rubble to improve, this must cause the increase greatly of engineering cost; On the other hand, traditional lime, cement stabilized soil exist water stability poor, meet shortcomings such as water intensity reduces, the coefficient of shrinkage is big, cause that as road basis, sub-surface the phenomenon of " work as annual overhaul, the coming year is bad " appears in many road surfaces with it for many years.
Disagree with the demand to Tu Yuan in the engineering, two kinds of extremely inharmonic phenomenons of domestic appearance, on the one hand a large amount of soils are owing to unordered excavation is discarded, and occur the hollow place of several meters even tens meters everywhere; A large amount of soils are arranged on the other hand lie waste because piling up the mud excavate out, this and existing energy environment protection policy are extremely inharmonious.How to utilize and excavate soil becomes technology as engineering materials, the engineering waste of avoiding fortune far away to cause key on the spot.
Increase year by year along with domestic road vehicle load level, to the requirement of road also in further reinforcement, with harbour Nan Gang road, South Sinkiang, Binhai New Area in Tianjin is example, average overload is the 100-150% of rated load, and extreme overload is 300% of a rated load, and actual measurement single shaft axle carries all more than 12 tons, 50% vehicle single shaft axle is loaded between 18 tons-30 tons, huge load makes existing road surface can't bear the heavy load, damages extremely serious, this traffic road pavement basic unit, underlying strength proposition requirements at the higher level.
Tianjin is as the international port city, economic center, the north and ecocity, must build a large amount of Infrastructure, yet Tianjin water system prosperity, the network of rivers is numerous, ground water table is generally higher, the underground weak soil layer that is distributing thicker, for many years, adopt rubble, cement, there are a lot of problems in solidify material such as lime and flyash curing soil as the practice of sub-surface and roadbed processing layer, sub-surface at first, roadbed intensity after solidification treatment is still very low, and processing layer and basic unit generally all are in below the ground water table, and water stability is relatively poor, later strength is difficult to reach requirement.Many transformation roads can find out that behind excavation basic unit or processing layer have lost due plate body even become the mud shape, and this is poor with cement, lime solidified earth water stability, later strength reduces relevant gradually.
Since the forties in 20th century soil-solidified-agent flourish, the soil-solidified-agent treatment technology has formed a comprehensive cross discipline so far.It relates to building foundation, road construction, dykes and dams fortification, borehole operation, oil production, garbage loading embeading, dustproofly multiple field such as fixes the sand, comprise multiple means such as mechanical means, physical action, geotextile, chemical bond, combine numerous theories such as mechanics, theory of ship structures, colloid chemistry, surface chemistry, its process object also extends to multiple solid, semisolid materials such as sand, mud, domestic refuse, the purpose of handling also is not only single reinforcing, and also comprising increases perviousness, improves freezing tolerance, prevents all many-sides such as pollution substance leakage.
China begins to introduce external high performance soil solidifying agent early 1990s, on the basis that absorbs external experience, at China's soil property, has begun research work.In recent years, in the engineerings such as maintenance and renovation of the filial piety sky in Wuhan highway, Zengcheng City, Guangdong Province one loop, urban road, Shenzhen, all adopted dissimilar soil-solidified-agents.Aspect theory research, year surplus in the of nearly ten, existing more than ten tame scientific research institutions of domestic priority and universities and colleges have launched research to soil-solidified-agent, as Beijing University of Civil Engineering and Architecture, Shandong University, Wuhan Water Conservancy and Electric Power Univ, Chenguang Chemical Inst., Ministry of Chemical Industry and china academy of railway sciences etc., what have also does the overtesting road on some railways, highway.T R soil-solidified-agent series as morning twilight chemical research institute was once done the roadbed embankment at Sichuan Cheng Yalu K92+800, at the hole groove of 108 national highway K2369 Reparation of Bituminous Pavement, money (sun) money (in) highway K27+650 ~ 750 section are with solidifying gravelly soil using it as road base test or the like.Yet because soil-solidified-agent still is fangle at home after all, from studying, produce application and construction, can be described as a complicated system engineering, relate to a lot of ambits such as chemical industry, machinery, road engineering, add the input of this technology very limitedly,, fail to be converted into productivity to making great majority all rest on the laboratory study stage, and basic unit or processing layer intensity is low, water stability is poor, highway, urban roadbed road surface can not be suitable for the influence of underground and the surface water.
Achievement in research and case history all show both at home and abroad, solidifying agent is handled civil engineering works such as roadbed, weak soil matrix, low-cost pavement, water-resisting layer, place, large-scale square, basic unit's filler and is all had a significant effect, but these researchs and application still are in the starting stage, only rest on independent research aspect to certain solidifying agent, several solidifying agent commonly used are not carried out synthetic study both at home and abroad, how its intensity, water stability, shrinkage performance lack unified understanding, and result of use is how domestic in heavy duty, in the soft clay ground does not see relevant report for it.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of performance that can improve traditional solidify material such as existing lime, cement, flyash greatly is provided, improves roadbed and a kind of soil curing material of foundation base intension and water stability and the application method on heavy load soft ground foundation thereof.
A kind of soil curing material of the present invention, it comprises the EN-1 of road nation solidifying agent and auxiliary material.
The application method of a kind of soil curing material of the present invention on heavy load soft ground foundation, it may further comprise the steps:
(1) gets the raw materials ready, comprise the EN-1 of road nation solidifying agent, cement, rubble, lime and the on-the-spot clay of being got;
(2) clay that the scene is got carries out airing, pulverizing;
(3) preparation composite soil, its mass percent of forming to account for on-the-spot clay amount of being got comprises: the cement of the cement of the EN-1 of the road nation solidifying agent of the lime of 2-6%, 0.012-0.018% or the lime of 2-5%, 2-4%, the EN-1 of the road nation solidifying agent of 0.011-0.019% or 2-5%, the rubble of 20%-40%, the EN-1 of the road nation solidifying agent of 0.012-0.019%; By indoor modified compaction test, determine the optimum moisture content and the maximum dry density of compound;
(4) with each layer soil in above-mentioned definite ratio and component uniform mixing, measure natural moisture content, by the difference of natural moisture content and optimum moisture content, determine water-spraying amount, make it reach optimum moisture content;
(5) scene is paved and is rolled, and roadbed processing layer compaction Control is more than 95%, and subbase, compactness of subbase are controlled at more than 98%;
(6) after each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.
Solidifying agent material of the present invention improves the performance of traditional solidify material such as existing lime, cement, flyash greatly, adopt soil-solidified-agent to solidify on-the-spot soil as roadbase or processing layer, eliminated that traditional solidify material is low as the intensity that basic unit or processing layer bring, the drawback of water stability difference, make highway, urban roadbed road surface can be suitable for the influence of underground and the surface water, finally realized the change of road surface base layer material and roadbed processing material, reach and utilize the present situation material, avoid repetition and waste, improve the purpose of roadbed and foundation base intension and water stability.
Embodiment
The invention will be further described below in conjunction with embodiment and embodiment.
A kind of soil curing material of the present invention, it comprises the EN-1 of road nation solidifying agent and auxiliary material, described solidifying agent and auxiliary material can for: its mass percent of forming to account for on-the-spot clay amount of being got comprises: the cement of the cement of the EN-1 of the road nation solidifying agent of the lime of 2-6%, 0.012-0.018% or the lime of 2-5%, 2-4%, the EN-1 of the road nation solidifying agent of 0.011-0.019% or 2-5%, the rubble of 20%-40%, the EN-1 of the road nation solidifying agent of 0.012-0.019%.The method for preparing this soil solidify material gets final product for described component is mixed by described proportioning.The described road EN-1 of nation solidifying agent can be buied in market.
The application method of a kind of soil curing material on heavy load soft ground foundation, it may further comprise the steps: get the raw materials ready (1), comprises the EN-1 of road nation solidifying agent, cement, rubble, lime and the on-the-spot clay of being got; (2) clay that the scene is got carries out airing, pulverizing; (3) preparation composite soil, its mass percent of forming to account for on-the-spot clay amount of being got comprises: the cement of the cement of the EN-1 of the road nation solidifying agent of the lime of 2-6%, 0.012-0.018% or the lime of 2-5%, 2-4%, the EN-1 of the road nation solidifying agent of 0.011-0.019% or 2-5%, the rubble of 20%-40%, the EN-1 of the road nation solidifying agent of 0.012-0.019%; By indoor modified compaction test, determine the optimum moisture content and the maximum dry density of compound; (4) with each layer soil in above-mentioned definite ratio and component uniform mixing, measure natural moisture content, by the difference of natural moisture content and optimum moisture content, determine water-spraying amount, make it reach optimum moisture content; (5) scene is paved and is rolled, and roadbed processing layer compaction Control is more than 95%, and subbase, compactness of subbase are controlled at more than 98%; (6) after each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.
Embodiment 1
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.018% the EN-1 of road nation solidifying agent, 4% lime; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 10.1～12.1%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 38～78kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.32～1.57Mpa; The unconfined compression strength in the 14 day length of time is 1.68～1.89Mpa, and the unconfined compression strength in the 28 day length of time is 2.22～2.56Mpa.And 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 0.6MPa～0.8MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.0MPa～1.2MPa.
Embodiment 2
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.015% the EN-1 of road nation solidifying agent, 6% lime; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 10.2～14.1%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 38～116kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.38～1.65Mpa; The unconfined compression strength in the 14 day length of time is 1.72～2.03Mpa, and the unconfined compression strength in the 28 day length of time is 2.35～2.78Mpa.And 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 0.6MPa～1MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.1MPa～1.3MPa.
Embodiment 3
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.012% the EN-1 of road nation solidifying agent, 2% lime; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 10.2～14.1%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 36～113kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.12～1.26Mpa; The unconfined compression strength in the 14 day length of time is 1.48～1.65Mpa, and the unconfined compression strength in the 28 day length of time is 1.8～2.23Mpa.And 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 0.4MPa～0.7MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 0.8MPa～1.0MPa.
Embodiment 4
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.011% the EN-1 of road nation solidifying agent, 3% lime, 3% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 12.1 ~ 15.6%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 8～78kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.72～2.42Mpa; The unconfined compression strength in the 14 day length of time is 2.03～2.72Mpa, the unconfined compression strength in the 28 day length of time is 3.03～3.56Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 1.0MPa～1.3MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.3MPa～1.5MPa.
Embodiment 5
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.015% the EN-1 of road nation solidifying agent, 2% lime, 2% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 13.8～15.3%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 14～44kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.50～2.13Mpa; The unconfined compression strength in the 14 day length of time is 1.73～2.48Mpa, the unconfined compression strength in the 28 day length of time is 2.15～2.67Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 0.9MPa～1.1MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.1MPa～1.4MPa.
Embodiment 6
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.019% the EN-1 of road nation solidifying agent, 5% lime, 4% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 12.1～14.8%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 30～84kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 2.1～3.0Mpa; The unconfined compression strength in the 14 day length of time is 2.48～3.28Mpa, the unconfined compression strength in the 28 day length of time is 2.86～3.57Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 1.5MPa～1.8MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.9MPa～2.2MPa.
Embodiment 7
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.015% the EN-1 of road nation solidifying agent, 30% rubble, 2% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 11.2～14.5%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 26～92kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 1.8～2.2Mpa; The unconfined compression strength in the 14 day length of time is 2.3 ~ 2.6Mpa, the unconfined compression strength in the 28 day length of time is 2.8～3.2Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 1.3MPa～1.5MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.7MPa～2.0MPa.
Embodiment 8
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.012% the EN-1 of road nation solidifying agent, 20% rubble, 4% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 13.2 ~ 15.8%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 8 ~ 66kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 2.2～2.5Mpa; The unconfined compression strength in the 14 day length of time is 2.6～2.8Mpa, the unconfined compression strength in the 28 day length of time is 2.9～3.2Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 1.5MPa～1.8MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 1.8MPa～2.0MPa.
Embodiment 9
Get the raw materials ready, its mass percent of forming to account for on-the-spot clay amount of being got comprises 0.019% the EN-1 of road nation solidifying agent, 40% rubble, 5% cement; The clay that the scene is got carries out airing, pulverizing; To get the raw materials ready and described clay mixes the preparation composite soil, the natural moisture content of measuring described composite soil is 11.6～14.3%, by the difference of optimum moisture content and natural moisture content, determines that water-spraying amount is 30～84kg/m
3, make it reach optimum moisture content; The scene is paved and is rolled, and the roadbed shallow-layer is handled compaction Control more than 95%, and subbase, compactness of subbase are controlled at more than 98%; After each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.This solidifying agent is handled on-the-spot soil after measured, and the unconfined compression strength in the 7 day length of time is 2.5～3.2Mpa; The unconfined compression strength in the 14 day length of time is 3.5～3.8Mpa, the unconfined compression strength in the 28 day length of time is 4.0～4.2Mpa, and 7 days the unconfined compression strength of traditional shallow-layer processing layer health that does not contain solidifying agent of same proportioning is the highest between 1.8MPa～2.2MPa, and the traditional basic unit that does not contain solidifying agent of same proportioning, 7 days unconfined compression strength of subbase stabilized with inorganic binder soil health are the highest between 2.3MPa～2.6MPa.
Claims (5)
1. soil curing material, it is characterized in that: it comprises the EN-1 of road nation solidifying agent and auxiliary material.
2. a kind of soil curing material according to claim 1 is characterized in that: described auxiliary material is a lime, and the described by percentage to the quality road EN-1 of nation solidifying agent, lime intermingled quantity account for the 0.012-0.018% of the clay amount that compound gets, 2-6% respectively.
3. a kind of soil curing material according to claim 1, it is characterized in that: described auxiliary material is lime and cement, and the described by percentage to the quality road EN-1 of nation solidifying agent, lime and cement mixing content account for 0.011-0.019%, 2-5%, the 2-4% of the clay amount of being got respectively.
4. a kind of soil curing material according to claim 1, it is characterized in that: described auxiliary material is cement and rubble, the described by percentage to the quality road EN-1 of nation solidifying agent, cement and rubble volume account for 0.012-0.019%, the 2-5% of the clay amount of being got, 20-40% respectively.
5. the application method of a soil curing material on heavy load soft ground foundation is characterized in that it may further comprise the steps:
(1) gets the raw materials ready, comprise the EN-1 of road nation solidifying agent, cement, rubble, lime and the on-the-spot clay of being got;
(2) clay that the scene is got carries out airing, pulverizing;
(3) preparation composite soil, its mass percent of forming to account for on-the-spot clay amount of being got comprises: the cement of the cement of the EN-1 of the road nation solidifying agent of the lime of 2-6%, 0.012-0.018% or the lime of 2-5%, 2-4%, the EN-1 of the road nation solidifying agent of 0.011-0.019% or 2-5%, the rubble of 20%-40%, the EN-1 of the road nation solidifying agent of 0.012-0.019%; By indoor modified compaction test, determine the optimum moisture content and the maximum dry density of compound;
(4) with each layer soil in above-mentioned definite ratio and component uniform mixing, measure natural moisture content, by the difference of natural moisture content and optimum moisture content, determine water-spraying amount, make it reach optimum moisture content;
(5) scene is paved and is rolled, and roadbed processing layer compaction Control is more than 95%, and subbase, compactness of subbase are controlled at more than 98%;
(6) after each layer rolled and finishes, the watering health reached the last layer compound that paves after design strength requires in 7 days.
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| CN110698122A (en) * | 2019-11-18 | 2020-01-17 | 山东大学 | Ecological light filler and preparation method thereof |
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| CN112482155A (en) * | 2020-11-24 | 2021-03-12 | 中国水利水电第九工程局有限公司 | Road side glue pavement construction method for inhibiting dust emission and environment-friendly transportation |
| CN113831097A (en) * | 2021-11-09 | 2021-12-24 | 武汉理工大学 | Roadbed material containing silicon calcium powder and preparation method thereof |
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2008
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| CN101929151A (en) * | 2010-09-29 | 2010-12-29 | 中国石油集团川庆钻探工程有限公司 | Treatment method for saturated over-wet soil |
| CN101929151B (en) * | 2010-09-29 | 2012-08-29 | 中国石油集团川庆钻探工程有限公司 | Treatment method for saturated over-wet soil |
| CN103650972A (en) * | 2013-12-30 | 2014-03-26 | 上海申迪园林投资建设有限公司 | Structure soil for planting bed and production method thereof |
| CN104211314A (en) * | 2014-09-05 | 2014-12-17 | 欧国文 | Cementing material and preparation method thereof |
| CN106517944A (en) * | 2016-11-10 | 2017-03-22 | 广西桥通工程设计有限公司 | Solidified granular soil produced by utilizing waste and old materials from building project |
| 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 |
| CN108221889A (en) * | 2018-01-08 | 2018-06-29 | 贵州怡和瑞丰土地开发有限公司 | The method for carrying out farmland ditch reinforcing using soil based on ecological native glue |
| CN110230312A (en) * | 2018-03-06 | 2019-09-13 | 上海港湾基础建设（集团）股份有限公司 | Waterproof solidified earth method for processing foundation |
| CN110698122A (en) * | 2019-11-18 | 2020-01-17 | 山东大学 | Ecological light filler and preparation method thereof |
| CN111574162A (en) * | 2020-06-12 | 2020-08-25 | 北京土木禾天环保科技有限公司 | Road base layer mixture taking saline-alkali soil as raw material and preparation method of road base layer |
| CN112482155A (en) * | 2020-11-24 | 2021-03-12 | 中国水利水电第九工程局有限公司 | Road side glue pavement construction method for inhibiting dust emission and environment-friendly transportation |
| CN113831097A (en) * | 2021-11-09 | 2021-12-24 | 武汉理工大学 | Roadbed material containing silicon calcium powder and preparation method thereof |
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