WO2014163216A1 - Procédé de revêtement d'une route respectueuse de l'environnement - Google Patents

Procédé de revêtement d'une route respectueuse de l'environnement Download PDF

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Publication number
WO2014163216A1
WO2014163216A1 PCT/KR2013/002709 KR2013002709W WO2014163216A1 WO 2014163216 A1 WO2014163216 A1 WO 2014163216A1 KR 2013002709 W KR2013002709 W KR 2013002709W WO 2014163216 A1 WO2014163216 A1 WO 2014163216A1
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WO
WIPO (PCT)
Prior art keywords
soil
pavement
water
paving
room temperature
Prior art date
Application number
PCT/KR2013/002709
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English (en)
Korean (ko)
Inventor
이수형
이태형
Original Assignee
Lee Soo-Hyung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lee Soo-Hyung filed Critical Lee Soo-Hyung
Priority to PCT/KR2013/002709 priority Critical patent/WO2014163216A1/fr
Publication of WO2014163216A1 publication Critical patent/WO2014163216A1/fr

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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
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
    • 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
    • E01C3/00—Foundations for pavings
    • E01C3/04—Foundations produced by soil stabilisation

Definitions

  • the present invention relates to an environmentally friendly road pavement method, and more particularly, to form an environmentally friendly road by forming a soil pavement layer using soil, and forming a non-heated, room temperature asphalt layer on top of the soil pavement layer. .
  • road pavement is represented by asphalt or concrete pavement.
  • the soil-based method has long been used for the purpose of reinforcing soft grounds such as wetlands and insoluble land as a soil cement method.
  • Korean Patent Publication No. 1986-3321, Domestic Patent Publication 1992-6585, Domestic Patent Publication No. 1998-43021, Domestic Patent Publication No. 1999-014390, Domestic Patent Publication No. 2006-36403 Korean Patent Publication No. 2005-20307 and Korean Registered Patent No. 621963 have been proposed, but all of them contain more than 15% of solidified material such as cement, which can solve the problems of environmental and economical efficiency. There was no.
  • Korean Patent Publication No. 1996-41319 uses more than 10% of excessive cement, lime, and gypsum to promote the basicization of soil due to the high content of calcium oxide.
  • Korean Patent Publication No. 2005-32542 proposes a wet method using soil, but when soil is mixed with ready mixed concrete, material separation and strength decrease, and when a lot of water is added to the soil, bleeding during surface treatment There was a problem that the field application is impossible in the pavement using the soil, unless suppressing the generation of the latencies.
  • Patent No. 10-644245 Soil cement manufacturing equipped with an impeller equipped with a scraping blade The device was invented to enable uniform mixing of the soil, and by suggesting the "dry ocher soil packaging material and its construction method" of Patent No. 10-0775360 to ensure sufficient durability even if the amount of solidified fire is reduced.
  • an object of the present invention is to solve all the problems of the conventional soil paving method, by forming a soil pavement layer using the soil, by forming a thin room temperature asphalt layer on top of the soil pavement layer, the soil It is to provide an environmentally friendly road paving method while eliminating durability, surface abrasion, and surface slippage which are problems of the pavement layer.
  • Environmentally friendly road paving method of the present invention for achieving the above object is to prepare a soil pavement material of the soil, cement and inorganic additives, and mixing the water, and to install the soil pavement material mixed with the water, and Compacting the installed soil pavement, and wrapping the room temperature asphalt in a thin layer on top of the soil pavement, the inorganic additive is characterized in that consisting of alkali metal or earth metal.
  • the prepared soil packaging material is prepared by mixing the cement and inorganic additives after the enzyme solution to the soil, the enzyme solution is characterized in that it comprises a saccharide, a surfactant and water.
  • the crack induction line is characterized in that to form a depth of 1/3 to 2/3 of the total thickness of the compacted soil pavement.
  • the thickness of the room temperature asphalt laid in the thin layer is characterized in that 6 ⁇ 12mm.
  • Mixing and spraying the inorganic additives with water in the compacted soil packaging material is characterized in that it further comprises.
  • the present invention by paving the road using soil and surface treatment with room temperature asphalt without heating, it improves abrasion resistance of the pavement surface, while having a lifespan comparable to asphalt or concrete, it is 30% or more than conventional road paving. Provides useful effects such as reducing construction costs.
  • the amount of cement can be greatly reduced and excellent strength can be expressed, and the air can be shortened by installing room temperature asphalt directly on the soil pavement without curing the soil pavement. .
  • FIG. 1 is a process diagram of an environmentally friendly road paving method according to the present invention.
  • the eco-friendly road paving method of the present invention is based on the patent registration No. 10-0775360, which is the prior patent of the present inventors, and the basic soil paving method follows the method of the prior patent.
  • Eco-friendly road paving method of the present invention comprises the step of mixing water in the soil pavement of the soil, cement and inorganic additives (S1), the step of laying the soil pavement mixed with the water (S2), and the paved soil pavement Step (S3) and the step of forming a crack induction line in the compacted soil packaging material (S4), and mixing the inorganic additives and water in the compacted soil packaging material (S5) and the soil It comprises a step (S6) of wrapping the room temperature asphalt in a thin layer on top of the pavement.
  • the soil packaging material is laid (S2).
  • the installation thickness is preferably 7 to 20 cm according to the use, and in the case of the installation of 20 cm or more, it is preferable to use the earthen paving crusher which is made at the same time since the compaction is made at the bottom.
  • the soil pavement material will have the same characteristics as general soil before compaction curing, and the installation of the pavement material does not have a high water content, so the mechanized pavement by Hunisha is ideal for rapid installation to prevent surface drying before compaction. Of course it is also possible.
  • the compaction method is completely distracted during the mixing process, so if pressure is applied to the Laura without weight reduction, cracks are formed laterally in the forward direction of the Laura, so as to reduce the optimum of the installed packaging material. It is desirable to reduce the optimum by utilizing the function of tempering and vibration, to make a first compaction with a small roller, then complete the compaction with a tire roller, and finish with a compaction to eliminate tire marks with the final step.
  • the number of compaction may be adjusted according to the final water content in the nature of the soil, so that the compaction to the extent that the water does not rise due to excessive compaction.
  • the present invention is to form a crack induction wire to cope with dry shrinkage due to curing by maintaining the durability of high strength.
  • the crack guide line is formed by cutting along the width direction of the road to a depth of 1/3 to 2/3 of the total thickness of the compacted soil pavement.
  • the crack induction line (S4) After forming the crack induction line (S4), in order to increase the adhesion between the compacted soil pavement and room temperature asphalt to be installed on the top, by mixing the mineral additives used in the soil pavement prior to the compacted soil pavement with water Injection (S5).
  • the mixing ratio of the inorganic additive and water is not limited, but the ratio is preferably 1:50 to 200, and the spraying amount is not limited, but the inorganic additive (before mixing with water) is about 1 to 10g per 1m2. This is preferred.
  • the room temperature asphalt refers to a method of emulsifying the asphalt to mix the modifier material and to harden by evaporating moisture at room temperature.
  • the room temperature asphalt is a mixture of aggregate and stone powder having a particle size of 6 to 8 mm at room temperature asphalt Since the mixture does not denature or fall off even when mixed with, the aggregate, stone powder, etc. are mixed as needed to be constructed with room temperature asphalt concrete.
  • the mixing ratio of the room temperature asphalt concrete is in accordance with the conventional mixing ratio.
  • the type of room temperature asphalt is not limited, and any known material may be used as long as it is known in the art.
  • the thickness of the room temperature asphalt paved with the thin layer is preferably 6 ⁇ 16mm bar, if the thickness is less than 6mm is too thin to reduce the effect of the surface treatment, if it exceeds 16mm excess room temperature asphalt takes environmentally friendly This is because it is against the purpose of pavement.
  • the conventional soil paving method was required to cover with vinyl and prevent moisture evaporation for a certain time, that is, curing in order to prevent moisture evaporation, in the present invention, after laying and compacting the soil pavement, without a separate curing process as it is a thin layer
  • curing in order to prevent moisture evaporation in the present invention, after laying and compacting the soil pavement, without a separate curing process as it is a thin layer
  • the apparatus used for the manufacture of the soil pavement described below preferably uses the "apparatus for producing a cement cement equipped with an impeller with a scraping blade" of the inventor's pre-registered patent No. 10-644245. It is not necessarily limited to the premise of homogeneity.
  • the soil and cement are ground and mixed. This is because the soil containing fine particles absorbs water and is agglomerated, so if water is added to the initial stage, evenly crushing and mixing does not cause overloading of the equipment. It will be committed.
  • the inorganic additive is added thereto in the form of an aqueous solution.
  • the inorganic additive aqueous solution is not limited to the concentration, it is designed to match the injection amount of the pump to the proportion of cement.
  • the reason for making the inorganic additive in an aqueous solution state is that mixing is not easy in mixing a small amount of additives in a large amount of soil to make it evenly mixed by making an aqueous solution and increasing its volume.
  • water is added and mixed in the final step, but when the inorganic additive and water are mixed and mixed with the mixture of soil and cement, the pupil phenomenon due to the high speed rotation does not occur.
  • Mixing should be carried out at high speed in the range of RPM 150 ⁇ 200, and the aqueous solution of mineral additives or the administration of water should be supplied by high pressure injection, not water stream.
  • the amount of the water is determined according to the water content of the soil, and it is sufficient that the aqueous solution and the water are added to finally hold together the soil by hand. That is, instead of manufacturing a wet packaging material as in the related art, packaging is possible with a minimum amount of water, and an amount of water is properly adjusted according to an optimum function ratio.
  • the soil is not limited to the kind, it is preferable to use the soil passed through the 20mm sieve.
  • the cement is used as a solidified material, but can be used both single cement and mixed cement, most preferably use a general portland cement that can be easily purchased and used in the vicinity.
  • the inorganic additive serves to maximize the performance of the cement by improving the soil, by maximizing the performance of the cement so that the sufficient strength can be expressed even if the content of the cement to 10% by weight or less.
  • the inorganic additive lowers the charge of the adsorbed water by lowering the charge of the adsorbed water due to ion exchange of humic proton dissolved in metal ions such as sodium lignin sulfonate, magnesium lignin sulfonate, aluminum sulfate, and adsorbed water that is strongly charged to soil particles. It is hydrophobic, and soil is rapidly becoming granulated, and soil quality is improved by sanding of clay.
  • the inorganic additive is composed of an alkali metal or an earth metal, more preferably 4 to 6% by weight of aluminum sulfate, 4 to 6% by weight of sodium lignin sulfonate, 7 to 9% by weight of lignin sulfonate, and 0.5 to 2% by weight of sodium triphosphate %, 18-23 wt% potassium chloride, 10-13 wt% calcium chloride, 21-28 wt% magnesium chloride, 27-35 wt% sodium chloride, 0.01-0.06 wt% calcium carbonate and 0.3-0.6 wt% aqueous ammonia at 3% concentration Including, the inorganic additive is well known in the Patent No. 10-0775360 invented by the applicant, the detailed description thereof will be omitted.
  • the mixing ratio of the soil, cement and inorganic additives is preferably 89.5 to 98.45% by weight of soil, 1.5 to 10% by weight of cement and 0.05 to 0.5% by weight of inorganic additives, but is not necessarily limited thereto.
  • the enzyme solution in the soil in order to reduce the amount of cement used in the high price of industrial products such as Africa, or to express more excellent strength.
  • the enzyme solution may contribute to the improvement of the strength of the soil pavement by aligning the incorrect arrangement of soil particles by generating moisture balance and moisturizing effect between the soil particles, and reducing the voids between the soil particles through the arrangement. If the enzyme solution is used in the soil, it can save more than 20% of solidified fire, which brings about 10% strength enhancement effect.
  • the enzyme solution is used to mix water and oil saccharides, surfactants lubricating between the soil particles, and water in a weight ratio of 2: 4: 4, the amount is based on 100 parts by weight of the soil It is added in the range of 0.01 to 10 parts by weight, and the cement and mineral additives are mixed in the soil into which the enzyme solution is added.
  • the type of the surfactant is not limited, and all conventionally known soil surfactants may be used.
  • the present invention has a problem of forming an auxiliary base layer on a roadbed and packing ascons of several layers such as a base layer (thickness about 30 cm), an intermediate layer (thickness about 7.5 cm), and a surface layer (thickness about 5 cm). Due to the large amount of aggregate and sand is required, the natural environment is damaged, and due to the nature of the asphalt, high temperature heating is required at 180 ° C., thus preventing the inevitable generation of carbon dioxide and solving the problem of high cost.
  • the present invention solidifies the soil of the subgrade or imported soil to form a soil pavement layer (thickness 10 ⁇ 20cm) without a separate auxiliary layer, and surface treatment with room temperature asphalt (thickness 6 ⁇ 16mm) without applying heat
  • a soil pavement layer thinness 10 ⁇ 20cm
  • surface treatment with room temperature asphalt thinness 6 ⁇ 16mm
  • it can have a lifespan comparable to asphalt or concrete without compromising the natural environment, can dramatically reduce the amount of carbon dioxide generated, and can save 30% more construction cost than the existing pavement. Will be.
  • the enzyme solution prepared by mixing 400 g of saccharide 200 g and 400 g of water was added to 100 kg of soil.
  • a test specimen was prepared by mixing 10 kg of cement and 0.5 kg of an inorganic additive.
  • the inorganic additives include aluminum sulfate 50g, sodium lignin sulfonate 50g, magnesium lignin sulfonate 70g, sodium tripolyphosphate 10g, potassium chloride 180g, calcium chloride 110g, magnesium chloride 230g, sodium chloride 290g, calcium carbonate 0.5g and 5g ammonia water 5g. Used by mixing. (Respon 3 (Product Name) was used as the surfactant.)
  • a test specimen was prepared by mixing 10 kg of cement and 0.5 kg of an inorganic additive to 100 kg of soil.
  • the inorganic additive was used in the same manner as in Example 1.
  • a test specimen was prepared by mixing 10 kg of cement with 100 kg of soil.
  • Example 1 shows a higher strength than Example 2 compared to Example 2 compared to the comparative example.
  • the present invention is to solve the problems of the conventional soil paving method, by forming a soil pavement layer using the soil, by forming a thin room temperature asphalt layer on top of the soil pavement layer, soil pavement layer It can be used industrially because it can provide an environmentally friendly road paving method while eliminating the problems of durability, surface abrasion, surface slippage, and the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

La présente invention concerne un procédé de revêtement d'une route respectueuse de l'environnement et, plus particulièrement, un procédé de construction d'une route respectueuse de l'environnement par formation d'une couche de revêtement de sol au moyen du sol et par formation d'une mince couche d'asphalte à température ambiante sur la partie supérieure de la couche de revêtement de sol. Le procédé de revêtement d'une route respectueuse de l'environnement selon la présente invention comprend les étapes consistant à : injecter un liquide enzymatique dans le sol, mélanger du ciment et des suppléments minéraux de façon à préparer un matériau de remblayage du sol et mélanger le matériau de remblayage du sol avec de l'eau ; mettre en place le matériau de remblayage du sol mélangé avec de l'eau ; compacter ledit matériau de remblayage du sol mis en place ; et revêtir la partie supérieure du matériau de remblayage du sol d'une mince couche d'asphalte à température ambiante, les suppléments minéraux comprenant du sulfate d'aluminium, de l'acide sulfonique de lignine de sodium, de l'acide sulfonique de lignine de magnésium, de l'acide tripolyphosphorique de sodium, du chlorure de potassium, du chlorure de calcium, du chlorure de magnésium, du chlorure de sodium, du carbonate de calcium et de l'ammoniaque ordinaire.
PCT/KR2013/002709 2013-04-02 2013-04-02 Procédé de revêtement d'une route respectueuse de l'environnement WO2014163216A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/KR2013/002709 WO2014163216A1 (fr) 2013-04-02 2013-04-02 Procédé de revêtement d'une route respectueuse de l'environnement

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PCT/KR2013/002709 WO2014163216A1 (fr) 2013-04-02 2013-04-02 Procédé de revêtement d'une route respectueuse de l'environnement

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007077392A (ja) * 2005-08-17 2007-03-29 Kyokado Eng Co Ltd 空洞充填材
KR100775360B1 (ko) * 2007-01-10 2007-11-09 주식회사 신기 건식 황토흙 포장재 및 그 시공방법
KR100960874B1 (ko) * 2009-10-07 2010-06-04 주식회사 우일 이알에스 흙 길 포장 공법
KR20100081785A (ko) * 2009-01-07 2010-07-15 김영일 흙 포장용 조성물 및 이를 이용한 흙 포장 시공 방법
KR20100121855A (ko) * 2009-05-11 2010-11-19 (주)지케이 포장재 및 그 시공 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007077392A (ja) * 2005-08-17 2007-03-29 Kyokado Eng Co Ltd 空洞充填材
KR100775360B1 (ko) * 2007-01-10 2007-11-09 주식회사 신기 건식 황토흙 포장재 및 그 시공방법
KR20100081785A (ko) * 2009-01-07 2010-07-15 김영일 흙 포장용 조성물 및 이를 이용한 흙 포장 시공 방법
KR20100121855A (ko) * 2009-05-11 2010-11-19 (주)지케이 포장재 및 그 시공 방법
KR100960874B1 (ko) * 2009-10-07 2010-06-04 주식회사 우일 이알에스 흙 길 포장 공법

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