KR100951032B1 - Composition of Soil-Polymer-Cement Concretes using Principles of Polymer Cement Concretes - Google Patents

Composition of Soil-Polymer-Cement Concretes using Principles of Polymer Cement Concretes Download PDF

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KR100951032B1
KR100951032B1 KR20080053503A KR20080053503A KR100951032B1 KR 100951032 B1 KR100951032 B1 KR 100951032B1 KR 20080053503 A KR20080053503 A KR 20080053503A KR 20080053503 A KR20080053503 A KR 20080053503A KR 100951032 B1 KR100951032 B1 KR 100951032B1
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parts
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polymer
cement
soil
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허정도
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/141—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
    • C04B14/361—Soil, e.g. laterite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/42—Glass
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/08—Flue dust, i.e. fly ash
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/146—Silica fume
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/143—Calcium-sulfate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0054—Water dispersible polymers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

본 발명은 기존의 흙 고화물의 휨과 인장강도를 개선하고 동시에 압축강도를 증진시키며, 알카리성의 독성과 건조수축을 최소화하기 위한 폴리머 시멘트 콘크리트 원리를 이용한 흙-폴리머-시멘트 콘크리트 조성물에 관한 것이다. 본 발명에 따른 폴리머 시멘트 콘크리트 원리를 이용한 흙-폴리머-시멘트 콘크리트는 상기 기술적 과제를 달성하기 위하여 골재 10-70 중량부, 모래 10-40 중량부, 흙 10-50 중량부, 시멘트 5-20 중량부, 폴리머 고형분이 0.1-70 중량부인 폴리머 수용액 1-20 중량부, 혼화제 0.1-3 중량부와 물 5-20 중량부 등을 포함하여 이루어진다. 상기 조성물에 압축강도를 더욱 부여하기 위해서 보강섬유 5-30 중량부, 석고 2-20 중량부, 고로 슬래그 5-15 중량부, 플라이애쉬 2-8 중량부, 칼슘설포알루미네이트 2-6 중량부와 실리카 퓸 1-10 중량부 중 일부나 전부를 더욱 포함시키는 것을 특징으로 한다. 또한 각종 색깔의 무기 또는 유기 안료 1-20 중량부를 상기 조성물에 더욱 추가하거나 건설된 구조물이나 포장표면에 코팅함으로서 보다 아름다운 경관을 연출하게 하는 폴리머 시멘트 콘크리트의 원리를 이용한 흙-폴리머-시멘트 콘크리트가 제공된다.The present invention relates to a soil-polymer-cement concrete composition using the polymer cement concrete principle to improve the warpage and tensile strength of the existing soil solidified and at the same time to improve the compressive strength, to minimize alkalinity toxicity and dry shrinkage. Soil-polymer-cement concrete using the polymer cement concrete principle according to the present invention in order to achieve the above technical problem 10-70 parts by weight of aggregate, 10-40 parts by weight of sand, 10-50 parts by weight of soil, 5-20 parts by weight of cement Parts, 1-20 parts by weight of an aqueous polymer solution having 0.1-70 parts by weight of polymer solids, 0.1-3 parts by weight of admixtures, 5-20 parts by weight of water, and the like. In order to further impart compressive strength to the composition, 5-30 parts by weight of reinforcing fiber, 2-20 parts by weight of gypsum, 5-15 parts by weight of blast furnace slag, 2-8 parts by weight of fly ash, 2-6 parts by weight of calcium sulfoaluminate And silica fume 1-10 parts by weight may be further included. Also provided is soil-polymer-cement concrete using the principle of polymer cement concrete which adds 1-20 parts by weight of various colored inorganic or organic pigments to the composition or coats the constructed structure or pavement surface for a more beautiful landscape. do.

흙-폴리머-시멘트 콘크리트, 건설구조물, 도로포장, 연약지반보강, 등 Soil-polymer-cement concrete, construction structure, road paving, soft ground reinforcement, etc.

Description

폴리머 시멘트 콘크리트의 원리를 이용한 흙-폴리머-시멘트 콘크리트 조성물 {Composition of Soil-Polymer-Cement Concretes using Principles of Polymer Cement Concretes}Composition of Soil-Polymer-Cement Concretes using Principles of Polymer Cement Concretes

흙-폴리머-시멘트 콘크리트 조성물 기술은 건설 구조물, 도로포장 및 연약지반보강 재료를 제공하기 위한 기술이며 이들 재료는 상기용도에 적용되어 구조물을 만들거나 도로를 시공하거나 연약지반을 보강하는 목적에 사용된다. 여기서 건설 구조물이란 식생블록이나 호안블록과 같은 파워투수블록, 보강토 옹벽 블록, 보도블록, 건축용 블록, 인터로킹, 경계석, 등을 말하고, 도로포장이란 자전거도로, 소형차로, 공원, 운동장, 인도, 산책로 등을 말하며, 연약지반보강이란 건축, 토목 및 도로조성용 연약지반에 충분한 강도를 제공하여 지반기능을 충분히 수행할 수 있도록 하는 기술을 말한다.Soil-polymer-cement concrete composition technology is a technology for providing construction structures, road pavement and soft ground reinforcement materials, and these materials are applied to the above applications and used for making structures, constructing roads or reinforcing soft ground. . Here, the construction structure refers to power permeable blocks such as vegetation blocks or revetment blocks, reinforced earth retaining wall blocks, sidewalk blocks, building blocks, interlocking, boundary stones, etc. Soft ground reinforcement refers to a technology that provides sufficient strength to soft ground for construction, civil engineering, and road construction to perform sufficient ground functions.

종래에는 구조물 (예를 들어, 식생블록이나 호안블록과 같은 파워투수블록, 보강토 옹벽 블록, 보도블록, 건축용 블록, 인터로킹, 경계석, 등)이나 도포포장에 시멘트콘크리트가 경제성, 내화성 및 강도의 우수성으로 인하여 흔히 사용되어 왔다. 그러나 주위환경에 어울리지 않는 회색 색깔, 압축강도에 비하여 극히 작은 인장강도나 휨강도, 과도한 건조수축, 취약한 내약품성 등의 단점을 가지고 있었다. 이러한 단점을 극복하고자 시멘트에 기초한 흙 고화 기술이 개발되어 사용되고 있다. 이러한 흙 고화 기술은 인장강도와 휨강도를 어느 정도 향상시키고 있지만 여전히 만족할만한 수준에 이르지 못하고 있다. 또한 통상 건설 구조물이 요구하는 강도는 최소 210kg/cm2 이상이며, 시멘트의 알카리 독성완화를 위해 PH는 7-9 사이가 요구되나 기존의 흙 고화 제품은 상기 기준에 못 미치는 경우가 태반이었다. 따라서 흙 고화 제품은 지금껏 이러한 기준이 엄격히 적용되지 않는 도로포장에 주로 응용되어 왔다. 본 발명은 도로포장뿐만 아니라 건설 구조물에 응용하기 위하여 자연친화적인 흙의 질감과 색깔발현, 압축, 인장 및 휨강도의 개선, 그리고 중성에 가까운 PH 값을 가지는 제품에 관한 것이다. 다시 말해서 본 발명은 자연 친화적인 흙의 질감과 색깔을 보유하면서 기존 시멘트콘크리트의 장점인 고강도, 내화성 및 경제성을 만족하며 동시에 시멘트 콘크리트의 약점인 인장 강도나 휨강도를 훨씬 향상시키고, 건조수축도 비교적 적고, 내약품성도 뛰어난 흙 고화 구조물이나 흙 고화 도로포장을 제공하기 위한 것이다. 본 발명의 강도증진 목적에 시멘트 이외에 골재와 보강섬유가 도입되며, 효과적인 강도 증진을 위해서 골재는 골재 입도와 분포도를 가진다. 또한 인장 강도와 휨강도의 증진과 건조수축 감소의 목적에 흙 이외에 폴리머 수용액이 사용되며, 특히 시멘트의 알카리성을 중화하기 위한 목적으로 음이온의 폴리머 수용액, 음이온 계면활성제, 석고와 고로 슬래그가 사용된다. 자연적인 질감과 색상을 내기 위한 흙의 종류로서 주로 마사토가 강력 추천되는 폴리머 시멘트 콘크리트 원리를 이용한 흙-폴리머-시멘트 콘크리트의 조성물에 관한 것이다.Conventionally, cement concrete is superior in economy, fire resistance and strength to structures (for example, power permeable blocks such as vegetation blocks or revetment blocks, reinforced earth retaining wall blocks, sidewalk blocks, building blocks, interlocking, boundary stones, etc.) or coated packaging. Has been used frequently. However, they had disadvantages such as extremely small tensile strength, flexural strength, excessive drying shrinkage, and weak chemical resistance compared to gray color and compressive strength, which are not suitable for the surrounding environment. To overcome this drawback, cement-based soil solidification technology has been developed and used. These soil solidification techniques improve tensile strength and flexural strength to some extent but are still not satisfactory. In addition, the strength required by the construction structure is usually at least 210kg / cm2, and the pH is required between 7-9 to alleviate the alkali toxicity of cement, but the existing soil solidified products did not meet the above criteria was the placenta. Soil solidification products have thus far been applied mainly to pavement, where these standards are not strictly applied. The present invention relates to products having natural PH texture and color expression, improvement of compression, tensile and flexural strength, and close to neutral pH for road paving as well as construction structures. In other words, the present invention satisfies the strength, fire resistance, and economics, which are advantages of the existing cement concrete, while maintaining the texture and color of the earth, which is naturally friendly, and at the same time, further improving tensile strength and bending strength, which are weak points of cement concrete, and having relatively low dry shrinkage. In order to provide the soil solidification structure or the soil solidification road pavement with excellent chemical resistance. In addition to cement, aggregates and reinforcing fibers are introduced to the strength-promoting purpose of the present invention, and the aggregates have aggregate particle size and distribution for effective strength enhancement. In addition to the soil, polymer aqueous solution is used for the purpose of improving tensile strength and flexural strength and reducing dry shrinkage. In particular, an aqueous polymer solution of anion, anionic surfactant, gypsum and blast furnace slag are used to neutralize the alkalinity of cement. The present invention relates to a composition of soil-polymer-cement concrete using polymer cement concrete principle, which Masato is strongly recommended as a kind of soil for natural texture and color.

종래의 흙 고화 기술에 대한 특허를 살펴보면, 대한민국 특허 제 10-0290051은 흙(점성토, 사질토)에 시멘트, 골재, 혼화제 및 소량의 수용성 아크릴을 첨가하고 혼합하여 고화시키는 방법에 대해 설명하고 있으나 골재 간의 팩킹을 통한 강도증진을 위해 필요한 골재분포도가 결여되어 있고, 폴리머로서 소량의 수용성 아크릴 만을 첨가하고 있고, 그 사용목적이 내마모성 향상에 국한되어 있어 접착, 인장, 휨강도, 방수성, 건조수축 및 균열에 대해 고려가 없다보니, 다른 폴리머 에멀젼이나 수용액의 사용에 대한 언급이 전혀 없다. 또한 시멘트 독성을 완화시키는 문제에 대한 고려도 전혀 없다. 대한민국 특허 제 10-0258133에는 자연 흙에 시멘트와 강도촉진제 (NH4Cl, NaCl, FeCl3, MgCl, KCl, CaCl2)와 물을 사용하고 다짐하여 고화시키는 방법에 대해 기술하고 있다. 이 특허는 폴리머를 사용하지 않으며 이로 인해 접착, 인장, 휨강도, 내마모성, 방수성을 현저히 개선하는 데 한계를 가질 것으로 예상된다. 특히 건조수축에 의한 균열 및 박리에 대한 저항효과를 거두기가 어려울 것이다. 또한 시멘트의 알카리 독성을 완화하는 기술에 대한 고려도 전혀 없다. 골재가 조성물에서 제외됨으로 인하여 흙 고화 제품의 강도에도 한계가 있을 것이다. 대한민국 특허 제 10-0632705에는 마사토, 시멘트, 슬래그, 석고, CSA, 플라이애쉬, 물, 에틸 하이드록시 에틸 셀룰로즈, 안료를 혼합하여 고화시키 는 방법을 기술하고 있다. 이 발명에는 폴리머로서 에틸 하이드록시 에틸 셀룰로즈를 사용하여 접착성과 작업성을 개선시키고 있으나 휨강도나 인장강도의 증진에는 의문이 있다. 또한 조성물은 골재를 포함하지 않아 강도증진에 한계가 있고, 강도증진 목적으로 시멘트, 슬래그, 석고, CSA 및 플라이애쉬 첨가량을 높이면, 고가의 조성물이 되어 실용성이 떨어진다.Looking at the patent for the conventional soil solidification technology, Korean Patent No. 10-0290051 describes a method of solidifying by adding and mixing cement, aggregate, admixture and a small amount of water-soluble acrylic to the soil (viscous clay, sandy soil), but between aggregates It lacks the aggregate distribution necessary for strength improvement through packing, and only a small amount of water-soluble acrylic is added as a polymer, and its purpose is limited to improving wear resistance. Therefore, it is used for adhesion, tensile, bending strength, waterproofness, dry shrinkage and cracking. Since there is no consideration, there is no mention of the use of other polymer emulsions or aqueous solutions. There is also no consideration of the problem of mitigating cement toxicity. Korean Patent No. 10-0258133 describes a method of solidifying by using cement and strength promoter (NH 4 Cl, NaCl, FeCl 3 , MgCl, KCl, CaCl 2 ) and water in natural soil. The patent does not use polymers and is expected to have limitations in significantly improving adhesion, tensile, flexural strength, wear resistance and water resistance. In particular, it will be difficult to obtain a resistance to cracking and peeling caused by dry shrinkage. There is also no consideration of techniques to mitigate the alkali toxicity of cement. Due to the exclusion of the aggregate from the composition there will be a limit to the strength of the soil solidification product. Korean Patent No. 10-0632705 describes a method of solidifying by mixing masato, cement, slag, gypsum, CSA, fly ash, water, ethyl hydroxy ethyl cellulose, and pigments. In this invention, ethyl hydroxy ethyl cellulose is used as a polymer to improve adhesiveness and workability, but there is a question of enhancement of bending strength and tensile strength. In addition, the composition does not contain aggregates, and thus the strength is limited, and when the cement, slag, gypsum, CSA and fly ash added amount is increased for the purpose of strength, it becomes an expensive composition and is not practical.

본 발명은 상기에 열거한 기존 흙 고화 기술의 문제점들 (열악한 휨과 인장강도, 부족한 압축강도, 자연적인 흙 색깔과 질감의 결여, 시멘트의 독성해소 문제)을 보완하여 건설 구조물이나 도로포장 혹은 연약지반 재료기술을 개발하고자 한다. 이 목적을 위하여 해결하여야 할 기술적 과제는 상기 용도에 적합한 물리적 성질 (압축강도, 인장강도, 휨성, 접착성, 내구성, 내약품성, 작업성, 균열 및 박리 저항성, 항 알카리성, 방수성, 내마모성, 건조수축의 축소, 등)을 충분히 발현하고 자연친화적인 색감을 연출할 수 있어야 한다.The present invention complements the problems of the existing soil solidification techniques listed above (poor bending and tensile strength, insufficient compressive strength, lack of natural soil color and texture, the problem of toxic dissolving of cement) construction structure or road paving or fragile We want to develop ground material technology. The technical problem to be solved for this purpose is the physical properties (compressive strength, tensile strength, warpage, adhesion, durability, chemical resistance, workability, crack and peel resistance, anti-alkali, waterproof, abrasion resistance, dry shrinkage) Should be able to fully express and reduce colors.

일반적으로 폴리머를 사용하지 않는 흙 고화포장의 인장강도는 압축강도의 1/10, 휨강도는 1/7-1/9 정도로, 압축강도에 비하여 인장강도와 휨강도가 너무 약하다. 이를 보완하기 위하여 폴리머 시멘트 콘크리트(PCC, Polymer Cement Concrete)의 원리를 흙 고화 기술에 도입하여 흙-폴리머-시멘트 콘크리트 조성물을 만듦으로서 인장강도나 휨강도를 높여 건설 구조물이나 도로포장에 응용하여 원하는 내구성을 확보하고자 한다. 그러나 폴리머를 투입하면 충분한 강도를 발현할 수 없는 문제가 대두된다. 또한 강도증진을 목적으로 시멘트를 많이 사용하면 시멘트의 알카리 독성이 문제가 된다. 또한 흙 고화에 의한 포장이나 건설구조물은 시멘트로 인하여 색상이 퇴색하여 자연색상을 내지 못하는 경우가 허다하다. 본 발명에서는 상기 문제를 해결하기 위하여 폴리머 수용액과 골재 그리고 무기재료를 사용하여 상기 문제를 해결하고자 한다.Generally, the tensile strength of the soil-solidified package without polymer is about 1/10 of the compressive strength and the flexural strength is about 1 / 7-1 / 9, and the tensile strength and flexural strength are too weak compared to the compressive strength. To compensate for this, the principle of Polymer Cement Concrete (PCC) is introduced to the soil solidification technology to create soil-polymer-cement concrete composition, which increases tensile strength and flexural strength, and is applied to construction structures or road pavement. I want to secure it. However, when a polymer is added, a problem arises in that it cannot express sufficient strength. In addition, when the cement is used for the purpose of increasing strength, the alkali toxicity of the cement becomes a problem. In addition, pavement or construction structures due to the solidification of soil is often a color fading due to the cement does not give a natural color. In the present invention, in order to solve the problem, the polymer solution, aggregate, and inorganic materials are used to solve the problem.

본 발명의 폴리머 시멘트 콘크리트 원리를 이용한 흙-폴리머-시멘트 콘크리트는 상기 기술적 과제를 달성하기 위하여 골재 10-70 중량부, 모래 10-40 중량부, 흙 10-50 중량부, 시멘트 5-20 중량부, 폴리머 고형분이 0.1-70 중량부인 폴리머 수용액 1-20 중량부, 혼화제 0.1-3 중량부와 물 5-20 중량부 등을 포함하는 것을 특징으로 한다. 상기 조성물에 압축강도를 더욱 부여하기 위해서 보강섬유 5-30 중량부, 석고 2-20 중량부, 고로 슬래그 5-15 중량부, 플라이애쉬 2-8 중량부, 칼슘설포알루미네이트 2-6 중량부와 실리카 퓸 1-10 중량부 중 일부나 전부를 더욱 포함시키는 것을 특징으로 한다. 또한 아름다운 경관을 연출하기 위하여 각종 색깔의 무기 또는 유기 안료 1-20 중량부를 상기 조성물에 추가하거나 건설된 구조물이나 포장표면에 코팅하는 것을 특징으로 한다.Soil-polymer-cement concrete using the polymer cement concrete principle of the present invention in order to achieve the above technical problem 10-70 parts by weight of aggregate, 10-40 parts by weight of sand, 10-50 parts by weight of soil, 5-20 parts by weight of cement , 1-20 parts by weight of an aqueous polymer solution having 0.1-70 parts by weight of polymer solids, 0.1-3 parts by weight of admixtures, 5-20 parts by weight of water, and the like. In order to further impart compressive strength to the composition, 5-30 parts by weight of reinforcing fiber, 2-20 parts by weight of gypsum, 5-15 parts by weight of blast furnace slag, 2-8 parts by weight of fly ash, 2-6 parts by weight of calcium sulfoaluminate And silica fume 1-10 parts by weight may be further included. In addition, in order to produce a beautiful scenery, 1-20 parts by weight of inorganic or organic pigments of various colors are added to the composition or coated on the constructed structure or pavement surface.

상기 흙-폴리머-시멘트 콘크리트 조성물은 기존의 흙 고화물 (흙-시멘트 콘크리트 조성물)에 비하여 다음과 같은 장점이 있다. 조성물 구성 중 골재는 골재입도와 분포도를 가지며 이로 인해 큰 골재 사이에 작은 골재가 조밀하게 채워져 강도효과를 극대화한다. 종래의 흙 고화포장은 골재 분포도의 영향을 전혀 고려하지 못했으며 본 발명에서 처음으로 제안한다. 사용되는 골재는 조골재로서, 조골재의 중량부에 해당하는 것만큼 타 미세재료가 적게 들어감으로, 표면적이 상대적으로 줄어듦으로 시멘트함량이 적어져도 충분한 강도를 확보하는 것이 가능하다. 따라서 골재의 함량과 분포도가 강도형성에 중요한 역할을 수행한다. 또한 본 발명은 폴리 머 수용액을 도입하여 흙-폴리머-시멘트 콘크리트 조성물을 고안하였으며 흙 고화물 (흙-시멘트 콘크리트 조성물)에 비하여 인장강도와 휨강도가 증가하여 쉽게 균열을 발생시키지 않고 조성물 간의 접착력을 증진시키는 장점이 있다. 이러한 목적을 위한 폴리머로서 고무 라텍스 계열이 강력히 추천된다. 이 외에도 본 발명에서는 흙 포장의 자연 질감과 색상을 유지하기 위하여 일반 시멘트 대신에 백시멘트를 사용하거나 백시멘트와 일반시멘트를 혼합하여 흙 본래의 색깔을 발현하도록 제안하고 있다. 이 외에도 고로 슬래그 시멘트를 사용하는 것이 추천되며, 고로 슬래그는 약산성이라 시멘트의 알카리성을 완화시키고 수화반응 중에 열 생성이 적어 균열을 억제하고 시멘트의 어두운 색상을 없애는 데 기여하여 건설구조물이나 도로포장 혹은 연약지반보강에 흙 본래의 색상을 재현시킬 수 있다. 또한 구조물이나 포장 혹은 연약지반의 장기 강도를 향상킬 수 있다. 플라이애쉬 시멘트도 포졸란 반응을 일으켜 장기 강도를 향상시키고 수화반응 중에 열 생성이 적어 건조수축을 감소시킨다. 이러한 시멘트들의 조합을 통하거나 아니며 일반 포틀런드 시멘트에 고로 슬래그나 플라이애쉬를 적정량 첨가하여 원하는 용도의 구조물이나 도로포장에 적용할 수 있다. 다음은 본 발명의 구성 및 작용을 구체적으로 기술하고 있다.The soil-polymer-cement concrete composition has the following advantages over conventional soil solidification (soil-cement concrete composition). Aggregate in the composition of the aggregate has an aggregate particle size and distribution, thereby compactly filling small aggregates between the large aggregates to maximize the strength effect. Conventional soil solidification package has not considered the influence of the aggregate distribution at all and is proposed for the first time in the present invention. The aggregate used is coarse aggregate, and as other fine materials enter as little as the weight part of the coarse aggregate, the surface area is relatively reduced, so that sufficient strength can be ensured even if the cement content is reduced. Therefore, aggregate content and distribution play an important role in strength formation. In addition, the present invention devised a soil-polymer-cement concrete composition by introducing an aqueous polymer solution, and increased tensile strength and flexural strength compared to soil solidified material (soil-cement concrete composition) to promote adhesion between the compositions without easily cracking It has the advantage of letting. The rubber latex series is strongly recommended as a polymer for this purpose. In addition, the present invention proposes to express the original color of the soil by using a back cement or by mixing the back cement and the normal cement in order to maintain the natural texture and color of the soil pavement. In addition, it is recommended to use blast furnace slag cement.Blast furnace slag is weakly acidic, which reduces the alkalinity of cement and generates less heat during hydration, thus suppressing cracks and removing dark color of cement. Soil reinforcement can reproduce the original color of soil. It can also improve the long-term strength of structures, pavements or soft ground. Fly ash cement also causes pozzolanic reactions to improve long-term strength and less heat generation during hydration, which reduces dry shrinkage. Through a combination of these cements, blast furnace slag or fly ash can be added to general Portland cement and applied to a structure or road pavement. The following describes in detail the configuration and operation of the present invention.

골재 크기와 분포도는 제조하고자 하는 구조물의 두께와 상관이 있으며 두께가 최대 골재 입도의 2배 이상이 되어야 단단한 결합력을 형성하는 데 바람직하다. 2배 이하일 경우에는 균열발생 소지가 커지기 때문이다. 이러한 점을 고려하여 최대 골재 크기는 구조물이나 도로포장 혹은 연약지반의 두께에 따라 19mm 혹은 26mm가 사용될 수 있다. 최대 골재 입도의 크기에 따라 다음의 골재분포도가 제안된다. 최대 골재입도가 19mm인 경우에는 19-13.2mm인 골재 20-40 중량부와 13.2-4.75mm인 골재 30-70 중량부와 4.75-2.3mm인 골재 10-30 중량부로 구성되며, 골재 입도가 26mm인 경우에는 26-19mm인 골재 10-30 중량부와 19-13.2mm인 골재 20-40 중량부와 13.2-4.75mm인 골재 15-35 중량부와 4.75-2.3mm인 골재 5-25 중량부로 구성하는 것이 추천된다. 상기 분포도를 가진 골재 10-70 중량부가 조성물에 사용되는 데, 골재 10 중량부 이하는 골재의 강도효과가 거의 없으며, 70 중량부 이상은 골재가 필요 이상으로 많아서 결합력을 형성하기 어려워 쉽게 부스러질 수 있다.Aggregate size and distribution are correlated with the thickness of the structure to be manufactured and should be at least twice the maximum aggregate particle size to form a firm bond. If it is less than 2 times, the occurrence of cracks increases. In consideration of this, the maximum aggregate size may be 19mm or 26mm depending on the thickness of the structure, pavement or soft ground. Depending on the size of the maximum aggregate particle size, the following aggregate distribution is suggested. When the maximum aggregate particle size is 19mm, it consists of 20-40 parts by weight of aggregate with 19-13.2mm, 30-70 parts by weight of aggregate with 13.2-4.75mm and 10-30 parts by weight of aggregate with 4.75-2.3mm, and the aggregate particle size is 26mm Is composed of 10-30 parts by weight of aggregates 26-19mm, 20-40 parts by weight of aggregates 19-13.2mm, 15-35 parts by weight of aggregates 13.2-4.75mm and 5-25 parts by weight of aggregates 4.75-2.3mm It is recommended. 10-70 parts by weight of the aggregate having the above distribution is used in the composition, and 10 parts by weight or less of the aggregate has almost no strength effect, and more than 70 parts by weight of the aggregate is more than necessary, making it difficult to form a bonding force, so that it can be easily broken. have.

상기 조성물의 구성 중 모래는 0.01-3mm 범위 내의 입도를 가진 것이 추천되지만, 미세입자일수록 더욱 좋고 실리카(SiO2) 성분이 많은 것이 바람직한 데, 이는 시멘트와 잘 결합할 수 있기 때문이다. 따라서 부순 모래, 자연 모래, 혹은 규사를 사용할 수 있는 데 이 중 규사나 미세 자연 모래가 더욱 바람직하다. 조성물에서 모래가 10-40 중량부 사용되는 데, 10 중량부 이하에서는 그 영향력이 거의 없고, 40 중량부를 초과하면 마치 시멘트 콘크리트포장과 동일하게 되어 흙 고화물의 자연친화적인 질감을 상실한다.The sand of the composition is recommended to have a particle size in the range of 0.01-3mm, but the finer particles are better and more silica (SiO 2 ) component is preferable, because it can be combined with cement. Therefore, crushed sand, natural sand, or silica sand may be used, of which silica sand or fine natural sand is more preferable. 10-40 parts by weight of sand is used in the composition, but less than 10 parts by weight has little effect, and if it exceeds 40 parts by weight, it becomes the same as cement concrete pavement and loses the natural texture of the soil solidified.

상기 조성물의 구성 중 흙(마사토, 사질토 혹은 점성토)은 흙의 질감과 색깔을 발현할 뿐만 아니라 인장강도와 휨강도를 약간 향상시키는 효과가 있다. 흙은 자연친화적인 색상을 낼 수 있으며 가격도 안료에 비하여 훨씬 저렴하다. 따라서 황토색깔을 가지며 모래 알갱이가 섞여있는 마사토가 적극 추천된다. 사질토 혹은 점성토도 사용되나 자연색상을 내기 위해서는 안료를 사용해야 할 경우가 있을 것 이다. 상기 흙은 먼지나 이물질 혹은 유기물질이 안 포함되어 있는 것이 바람직하다. 상기 흙 10-50 중량부가 조성물에 사용되는 데, 10 중량부 이하는 흙 고화물이 아니라 시멘트 콘크리트처럼 되며, 50 중량부 이상이 되면 원하는 강도를 내기가 어렵고, 또한 흙 입자의 표면적이 상대적으로 증가하여 이를 결합하기 위한 시멘트함량도 훨씬 커져서 비경제적이 된다.Soil (massato, sandy soil or viscous soil) of the composition of the composition not only express the texture and color of the soil, but also has the effect of slightly improving the tensile strength and flexural strength. Soils can produce natural colors and are much cheaper than pigments. Therefore, Masato with ocher color and mixed grains of sand is highly recommended. Sandy or viscous soils are also used, but it may be necessary to use pigments to produce natural colors. The soil preferably contains no dust, foreign matter or organic matter. 10 to 50 parts by weight of the soil is used in the composition, 10 parts by weight or less is not the soil solidified like cement concrete, when more than 50 parts by weight is difficult to achieve the desired strength, and also the surface area of the soil particles is relatively increased The cement content for bonding them is also much larger, making them uneconomical.

상기 조성물의 구성 중 시멘트는 포틀랜드 시멘트, 백 시멘트, 고로 슬래그 시멘트. 알루미나 시멘트. 플라이애쉬 시멘트, 조강 시멘트, 초 조강 시멘트 중 하나 이상으로 구성된 시멘트를 말한다. 하나 이상을 사용할 경우에 그 배합비율은 사용용도에 따라 임의로 구성된다. 예를 들어, 흙-폴리머-시멘트 콘크리트를 적당한 시간 내에 경화시키고자 할 경우, 일반 포틀랜드 시멘트와 초 조강 시멘트를 원하는 시간 내에 경화되도록 적정 비율로 혼합하여 사용할 수 있다. 시멘트는 흙-폴리머-시멘트 콘크리트의 결합제 역할을 하며, 시멘트 사용량에 따라 강도에 현저한 차이를 보인다. 상기 시멘트 5-20 중량부가 조성물에 사용되는 데, 5 중량부 이하이면 강도가 너무 작고, 20 중량부 이상이면 비교적 고가임으로 시멘트의 손실을 초래한다. 예를 들어, 구조물에 사용할 경우에는 압축강도를 210 kg/cm2 가 요구됨으로 이 강도에 적정한 시멘트함량을 5-30 중량부의 범위 내에서 선정하는 것이 바람직하며 강도증진을 위해서는 강도증진 재료를 더욱 추가하는 것이 바람직하다.The cement of the composition of the composition is Portland cement, white cement, blast furnace slag cement. Alumina cement. It refers to cement composed of one or more of fly ash cement, crude steel cement, ultra crude cement. When more than one is used, the blending ratio is arbitrarily configured depending on the intended use. For example, when the soil-polymer-cement concrete is to be cured in a suitable time, the general Portland cement and super rough cement may be mixed and used in an appropriate ratio to cure in a desired time. Cement acts as a binder of soil-polymer-cement concrete and shows a significant difference in strength depending on the amount of cement used. When 5-20 parts by weight of the cement is used in the composition, the strength is too small if it is 5 parts by weight or less, and the loss of cement is relatively expensive if it is 20 parts by weight or more. For example, the compressive strength is 210 kg / cm 2 when used in structures. It is desirable to select a cement content suitable for this strength within the range of 5-30 parts by weight, and to further increase strength, it is preferable to further add a strength enhancing material.

골재, 모래, 흙 그리고 시멘트만으로 원하는 강도를 낼 수 없는 경우가 많은 데 이 경우 흙-폴리머-시멘트 콘크리트의 강도를 더욱 높이기 위해 상기 조성물에 보강섬유 5-30 중량부를 추가로 포함시킬 수 있다. 이때 보강섬유는 강도를 향상시키고 균열이나 파괴를 방지하는 역할을 한다. 상기 보강섬유는 내 알카리성 유리 섬유, 강 섬유, 폴리아미드 섬유(나일론 섬유 등), 폴리프로필렌 섬유, 폴리에틸렌 섬유, 폴리에스테르 섬유, 셀루로오즈 섬유, 폴리비닐알콜 섬유, 탄소 섬유 등의 모든 섬유를 포함한다. 또한 상기 섬유 중 하나 이상을 혼합하여 사용할 수도 있다. 섬유의 보강효과도 5중량부 이하이면 보강효과가 거의 없고 30 중량부 이상이면 섬유끼리 서로 엉켜 균일한 보강효과를 낼 수 없음으로 오히려 물성저하를 초래할 수 있다.Aggregate, sand, soil and cement alone can not achieve the desired strength in many cases in this case may further include 5-30 parts by weight of reinforcing fibers in the composition to further increase the strength of the soil-polymer-cement concrete. In this case, the reinforcing fiber improves the strength and prevents cracking or breaking. The reinforcing fibers include all fibers such as alkali resistant glass fibers, steel fibers, polyamide fibers (nylon fibers, etc.), polypropylene fibers, polyethylene fibers, polyester fibers, cellulose fibers, polyvinyl alcohol fibers, carbon fibers, and the like. do. It is also possible to mix and use one or more of the fibers. If the reinforcing effect of the fiber is less than 5 parts by weight, there is almost no reinforcing effect, and if it is more than 30 parts by weight, the fibers may be entangled with each other to produce a uniform reinforcing effect, which may result in deterioration of physical properties.

강도증진목적으로 무기재료 단독이나 무기재료에 보강섬유를 섞어 사용할 수도 있다. 무기재료로서는 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부를 포함시키거나; 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부와 실리카 퓸 1-10 중량부를 더욱 포함시키거나; 보강섬유 5-30 중량부와 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부를 더욱 포함시키거나; 보강섬유 5-40 중량부와 석고 2-10 중량부와 고로 슬래그 5-15 중량부와 플라이애쉬 3-10 중량부와 실리카 퓸 1-10 중량부를 더욱 포함할 시킬 수 있다. 또한 건조수축을 더욱 완화시키기 위하여 칼슘설포알루미네이트 2-6 중량부를 추가로 첨가할 수 있다. 위 재료의 조성범위에서 하한값은 그 이하에서는 거의 강도에 영향을 주지 못하는 값을 나타내며, 상한값은 그 이상에서는 강도증진 효과가 더 이상 나타나지 않거나 경제적으로 현실성이 없는 값을 대변한다. 상기 재료 중 고로 슬래그나 플라이애쉬는 저 알카리성이고, 수화반응 시 수 화열이 적어서 균열을 억제하고, 포졸란 반응을 일으켜 장기강도를 높이며, 시멘트에 비하여 가격이 저렴하다. 또한 고로 슬래그와 플라이애쉬를 일반 포틀런드 시멘트에 첨가하는 대신에, 고로 슬래그 시멘트와 플라이애쉬 시멘트를 혼합하여 사용할 수도 있다.For the purpose of strength increase, the inorganic material alone or the inorganic material may be mixed with reinforcing fiber. Inorganic materials include 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash and 5-15 parts by weight of blast furnace slag; 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash, 5-15 parts by weight of blast furnace slag and 1-10 parts by weight of silica fume; 5-30 parts by weight of reinforcing fibers, 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash, and 5-15 parts by weight of blast furnace slag; 5-40 parts by weight of reinforcing fibers, 2-10 parts by weight of gypsum, 5-15 parts by weight of blast furnace slag, 3-10 parts by weight of fly ash and 1-10 parts by weight of silica fume may be further included. In addition, 2-6 parts by weight of calcium sulfoaluminate may be further added to further alleviate dry shrinkage. In the composition range of the above material, the lower limit represents a value that hardly affects the strength below, and the upper limit represents a value in which the strength enhancing effect no longer appears or is economically unrealistic. Among the above materials, blast furnace slag or fly ash is low alkalinity, has less heat of hydration during hydration reaction, suppresses cracking, raises long-term strength by causing pozzolanic reaction, and is cheaper than cement. It is also possible to use blast furnace slag cement and fly ash cement instead of adding blast furnace slag and fly ash to ordinary portland cement.

또한 초기강도를 증진시키기 위한 목적으로 상기의 골재, 모래, 흙, 시멘트 그리고 강도 보강재의 조성물에 물유리 2-10 중량부와 염화물 (NH4CL, CaCl2, NaCl, FeCl3, MgCl 혹은 KCl) 중 하나를 1-5 중량부 더욱 포함시킬 수 있다. 조성물의 범위 중 하한 값은 초기강도에 영향을 주지 못하는 값이며, 상한 값은 강도증진 효과를 나타낼 수 없거나 경제적으로 현실성이 없는 값을 나타낸다.Also in the composition of the aggregate, sand, soil, cement and strength reinforcing materials for the purpose of improving the initial strength, 2-10 parts by weight of water glass and chloride (NH 4 CL, CaCl 2 , NaCl, FeCl 3 , MgCl or KCl) One may further include 1-5 parts by weight. The lower limit of the range of the composition is a value that does not affect the initial strength, the upper limit indicates a value that can not exhibit the strength enhancing effect or economically unrealistic.

폴리머 수용액은 시멘트와 반응하여 휨강도와 인장강도를 증가시켜 균열이나 파쇄를 방지하고, 건조수축을 완화시키며, 각 조성물 사이의 결합력을 향상시키는 역학적 기능을 수행한다. 또한 음이온 계통의 폴리머 수용액은 알카리성의 시멘트와 반응하여 알카리 독성을 제거하는 역할도 한다. 이러한 폴리머 수용액은 크게 두 종류가 있다. 하나는 수분산형 폴리머이며, 폴리머입자가 물에 분산되어 있는 에멀젼 형태를 띄고 있다. 예를 들어, EVA 에멀젼, 폴리아크릴 에멀젼, SBR 라텍스, NBR 라텍스, 폴리클로로프렌 라텍스 등을 말한다. 다른 하나는 수용성 폴리머를 말하며 폴리머가 물에 용해되어 있는 형태를 말한다. 예를 들어, 에폭시, 폴리우레탄, 폴리비닐아세테이트, 메틸 셀룰로즈, 에틸 셀룰로즈, 폴리비닐알콜, 폴리에틸렌옥사이드, 폴리아크릴아마이드 등이다. 이들 폴리머 수용액은 물속의 고형분이 0.1-70 중량부이다. 흙-폴리머-시멘트 콘크리트 혼합물에서 폴리머 수용액이 차지하는 용량은 1-20 중량부인 데, 1보다 적으면 폴리머의 기능(접착성, 휨 및 인장강도 증진, 건조수축, 등)이 거의 나타나지 않으며, 20보다 크면 기능향상이 멈추며, 압축강도 저하가 현저히 나타나며, 가격상승도 크다.The aqueous polymer solution reacts with cement to increase the flexural strength and tensile strength to prevent cracking or fracture, to mitigate dry shrinkage, and to perform a mechanical function of improving the bonding force between the compositions. In addition, the anionic polymer aqueous solution also serves to remove alkali toxicity by reacting with alkaline cement. There are two types of such aqueous polymer solutions. One is a water-dispersible polymer, which is in the form of an emulsion in which polymer particles are dispersed in water. For example, EVA emulsion, polyacrylic emulsion, SBR latex, NBR latex, polychloroprene latex, etc. are mentioned. The other refers to a water soluble polymer, in which the polymer is dissolved in water. For example, epoxy, polyurethane, polyvinylacetate, methyl cellulose, ethyl cellulose, polyvinyl alcohol, polyethylene oxide, polyacrylamide and the like. These polymer aqueous solutions have 0.1-70 weight part of solids in water. The capacity of the aqueous polymer solution in the soil-polymer-cement concrete mixture is 1-20 parts by weight. Less than 1 shows little polymer function (adhesion, warpage and tensile strength improvement, dry shrinkage, etc.), and less than 20 If larger, the improvement of function is stopped, the compressive strength decreases remarkably, and the price increase is also large.

상기 폴리머 수용액 이외에도 혼화제(0.1-3 중량부)를 사용하여 시멘트의 분산과 경화, 수축 등을 도울 수 있다. 혼화제는 감수제(나프탈렌계, 설폰산계 혹은 폴리칼본산계), 조강제, 계면활성제, 부피 팽창제, 공기 연행제 중 하나 이상을 병행하여 사용한다. 0.1 중량부 이하에서는 혼화제사용의 의미가 거의 없고, 3 중량부 이상에서는 기능향상이 미미하다.In addition to the aqueous polymer solution, an admixture (0.1-3 parts by weight) may be used to help disperse, harden, and shrink the cement. The admixture is used in combination with one or more of a water reducing agent (naphthalene-based, sulfonic acid-based or polycarboxylic acid-based), a coarse agent, a surfactant, a volume expander, and an air entrainer. At 0.1 parts by weight or less, the use of admixtures is almost meaningless, and at 3 parts by weight or more, the functional improvement is insignificant.

시멘트가 수화반응을 일으키기 위해서는 물을 필요로 한다. 물은 5-20 중량부를 사용하는 데, 5 중량부 이하에서는 물이 적어 충분한 수화반응을 할 수 없으며, 20 중량부 이상에서는 물이 너무 많아 구조물이나 도로포장 혹은 연약지반보강의 유지가 어려울 뿐만 아니라 경화하는 데 오랜 시간이 걸림으로 실용적이지 않다.Cement requires water to hydrate. 5-20 parts by weight of water is used, but less than 5 parts by weight of water can not be sufficient hydration reaction, and more than 20 parts by weight of water is too difficult to maintain the structure, pavement or soft ground reinforcement It is not practical as it takes a long time to cure.

각종 구조물이나 도로포장에 색깔을 부여하기 위해 무기 또는 유기 안료 1-20 중량부를 조성물에 포함시키거나 형성된 구조물이나 포장표면에 코팅할 수 있다. 1 중량부 이하는 색깔이 거의 나타나지 않으며, 20중량부에서는 안료의 낭비를 초래한다. 코팅은 외견상 충분한 색깔이 보일 때까지 살포한다.1-20 parts by weight of an inorganic or organic pigment may be included in the composition or coated on the formed structure or pavement surface to impart color to various structures or road pavements. Less than 1 part by weight results in almost no color, and results in waste of pigment at 20 parts by weight. The coating is sprayed until apparently enough color is seen.

첫째, 본 발명은 골재 크기와 분포도, 특수시멘트, 무기재료 및 섬유보강재를 사용함으로서 기존의 흙-시멘트 혹은 흙-시멘트 콘크리트에 비하여 압축강도가 훨씬 뛰어난다.First, the present invention by using the aggregate size and distribution, special cement, inorganic materials and fiber reinforcement is much superior in compressive strength than conventional soil-cement or soil-cement concrete.

둘째, 흙-폴리머-시멘트 콘크리트 조성물은 기존의 시멘트 콘크리트나 흙 고화물의 내화성과 시공성을 견지할 뿐만 아니라, 흙-시멘트, 흙-시멘트 콘크리트 혹은 시멘트 콘크리트 조성물에 비하여 휨강도, 인장강도가 뛰어나 균열이나 파괴에 견딜 수 있어서 역학적 내구성이 우수하다.Second, the soil-polymer-cement concrete composition not only maintains the fire resistance and workability of existing cement concrete or soil solidification, but also has excellent flexural strength and tensile strength as compared to soil-cement, soil-cement concrete or cement concrete composition. It can withstand fracture and has excellent mechanical durability.

셋째, 흙-폴리머-시멘트 콘크리트 조성물에서 폴리머 수용액과 고로 슬래그 시멘트를 사용함으로서 흙-시멘트, 흙-시멘트 콘크리트 혹은 시멘트 콘크리트 조성물에 비하여 건조수축과 알카리 독성을 완화시키는 역할을 한다.Third, by using the polymer aqueous solution and blast furnace slag cement in the soil-polymer-cement concrete composition serves to mitigate dry shrinkage and alkali toxicity compared to the soil-cement, soil-cement concrete or cement concrete composition.

넷째, 흙-폴리머-시멘트 콘크리트 조성물은 저렴한 비용으로 흙의 자연친화적인 질감과 색깔을 재현할 수 있다.Fourth, the soil-polymer-cement concrete composition can reproduce the earth's natural texture and color at low cost.

다섯째, 흙-폴리머-시멘트 콘크리트 조성물은 상기의 특성으로 인하여 건설 구조물이나 도로포장 혹은 연약지반에 적용되어 요구되는 기능을 수행할 수 있다.Fifth, the soil-polymer-cement concrete composition may perform the function required by being applied to the construction structure or road paving or soft ground due to the above characteristics.

흙-폴리머-시멘트 콘크리트의 조성물을 달리하며 압축강도와 휨강도를 시험하였다. 아래 (표 1) 은 사용한 골재의 입도와 분포도를 나타낸다. 몰드의 두께가 5cm임으로 최대 골재크기는 19mm로 제한하였다.Compressive and flexural strengths were tested with different compositions of soil-polymer-cement concrete. Table 1 below shows the particle size and distribution of the aggregate used. Since the thickness of the mold is 5 cm, the maximum aggregate size was limited to 19 mm.

최대입도가 19mm인 골재 분포도의 종류Types of Aggregate Distributions with Maximum Particle Size of 19mm 입도 크기Particle size 골재 1Aggregate 1 골재 2Aggregate 2 골재 3Aggregate 3 골재 4Aggregate 4 19.0-13.2 mm19.0-13.2 mm 30 %30% 30 %30% 30 %30% 30 %30% 13.2-4.75 mm13.2-4.75 mm 45 "45 " 50 "50 " 55 "55 " 60 "60 " 4.75- 2.3 mm4.75- 2.3 mm 25 "25 " 20 "20 " 15 "15 " 10 "10 "

아래 (표 2)에 표기한 실시 예의 각 고체조성물 280그램과 액체 조성물 28그램을 혼합기에 넣고 상온에서 3분 동안 잘 혼합한 후, 내부크기가 5cm x 5cm x 5cm 인 직 육면체의 몰드에 채우고 다짐하여, 흙-폴리머-시멘트 콘크리트 시편을 만들었다. 이 시편들을 15일 동안 자연 상태에서 경화시킨 후에 압축과 휨 시험을 실시하고 그 결과를 (표 2) 에 나타낸다. (표 2) 의 실시 예 1, 2, 3, 4, 6 및 8에서 보듯이 골재의 분포도와 함량이 압축강도에 미치는 영향을 볼 수 있다. 특히 실시 예 1, 2, 3 및 4에서 큰 입도가 많을수록 압축강도가 증가하나 실시 예 4는 지나치면 오히려 그 값이 적어짐을 나타낸다. 이것은 골재입자의 팩킹(packing)과 관련이 있다고 믿어진다. 그리고 실시 예 7과 8에서 보듯이 폴리머 수용액을 사용하지 않는 경우 휨강도가 떨어지며 특히 제품의 접착력이 현저히 감소함을 볼 수 있었다. 또한 상기 실시 예에서 라텍스를 사용한 경우가 다른 폴리머 수용액을 사용한 경우보다 휨강도가 우수한 것으로 나타났다. 마지막으로 보강섬유를 사용한 경우가 사용하지 않은 경우에 비하여 압축강도와 휨강도 모두 우수하게 나타났으며 건조수축도 상대적으로 적었다.280 grams of each solid composition and 28 grams of the liquid composition of the example shown in Table 2 below were put into a mixer, mixed well at room temperature for 3 minutes, and then filled into a mold of a rectangular hexahedron having an internal size of 5 cm x 5 cm x 5 cm. Soil-polymer-cement concrete specimens were made. The specimens were cured in their natural state for 15 days and then subjected to compression and bending tests and the results are shown in Table 2. As shown in Examples 1, 2, 3, 4, 6, and 8 of Table 2, it can be seen that the distribution and content of aggregates affect the compressive strength. In particular, in Examples 1, 2, 3, and 4, the larger the particle size, the higher the compressive strength, but Example 4 indicates that the value becomes smaller when it is excessive. It is believed that this is related to the packing of aggregate particles. In addition, as shown in Examples 7 and 8, when the polymer aqueous solution is not used, the bending strength is decreased, and in particular, the adhesive strength of the product is remarkably decreased. In addition, in the above example, the use of latex was found to be superior to the bending strength than the case of using the other aqueous polymer solution. Finally, both compressive and flexural strengths were better than those without reinforcing fibers, and the drying shrinkage was relatively low.

흙-폴리머-시멘트 콘크리트 조성물의 배합비율과 물성시험 실시 예Example of mixing ratio and physical properties of soil-polymer-cement concrete composition 실시 예Example 1One 22 33 44 55 66 77 88 골재aggregate 표1의 골재 1 (112g)Aggregate 1 of Table 1 (112 g) 표1의 골재 2 (112g)Aggregate 2 of Table 1 (112g) 표1의 골재 3 (112g)Aggregate 3 of Table 1 (112 g) 표1의 골재 4 (112g)Aggregate 4 of Table 1 (112 g) 표1의 골재 3 (112g)Aggregate 3 of Table 1 (112 g) 표1의 골재 3 (126g)Aggregate 3 of Table 1 (126 g) 표1의 골재 3 (112g)Aggregate 3 of Table 1 (112 g) 표1의 골재 3 (126g)Aggregate 3 of Table 1 (126 g) 시멘트cement (일반:백) 시멘트 (14:14g)Cement (14:14 g) (일반:백) 시멘트 (14:14g)Cement (14:14 g) (일반:백) 시멘트 (14:14g)Cement (14:14 g) (일반:백) 시멘트 (14:14g)Cement (14:14 g) 일반 시멘트 (28g)General Cement (28g) 일반 시멘트 (28g)General Cement (28g) 일반 시멘트 (28g)General Cement (28g) 일반 시멘트 (28g)General Cement (28g) 흙soil 마사토 (70g)Masato (70 g) 마사토 (70g)Masato (70 g) 마사토 (70g)Masato (70 g) 마사토 (70g)Masato (70 g) 마사토 (70g)Masato (70 g) 마사토 (56g)Masato (56 g) 마사토 (70g)Masato (70 g) 마사토 (56g)Masato (56 g) 보강섬유Reinforcing fiber PVA (14g)PVA (14 g) PVA (14g)PVA (14 g) PVA (14g)PVA (14 g) PVA (14g)PVA (14 g) 나일론 (14g)Nylon (14 g) PP (14g)PP (14 g) 석고gypsum (8.4g)(8.4 g) (8.4g)(8.4 g) 고로 슬래그Blast furnace slag (8.4g)(8.4 g) (8.4g)(8.4 g) (8.4g)(8.4 g) (8.4g)(8.4 g) (14g)(14 g) (10g)(10 g) (9.8g)(9.8g) 플라이 애쉬Fly ash (5.6g)(5.6 g) (5.6g)(5.6 g) (5.6g)(5.6 g) (5.6g)(5.6 g) (5.6g)(5.6 g) (9.6g)(9.6 g) (4.2g)(4.2 g) 모래sand (42g)(42 g) (42g)(42 g) (42g)(42 g) (42g)(42 g) (42)(42) (42g)(42 g) (42g)(42 g) (42g)(42 g) 폴리머 수용액Polymer aqueous solution SBR 라텍스 (5g)SBR Latex (5g) SBR 라텍스 (5g)SBR Latex (5g) SBR 라텍스 (5g)SBR Latex (5g) SBR 라텍스 (5g)SBR Latex (5g) EVA 에멀젼 (5g)EVA Emulsion (5g) 폴리아크릴 에멀젼 (5g)Polyacrylic Emulsion (5g) 혼화제Admixture (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) (0.5g)(0.5 g) 물water (22.5g)(22.5 g) (22.5g)(22.5 g) (22.5g)(22.5 g) (22.5g)(22.5 g) (22.5g)(22.5 g) (22.5g)(22.5 g) (27.5g)(27.5 g) (27.5g)(27.5 g) 압축강도, kg/cm2Compressive strength, kg / cm2 255255 272272 296296 291291 268268 297297 258258 315315 휨강도, N/cm2Flexural strength, N / cm2 820820 805805 792792 784784 746746 612612 520520 563563

Claims (3)

골재크기가 19-13.2mm인 골재 20-40 중량부와 13.2-4.75mm인 골재 30-70 중량부와 4.75-2.3mm인 골재 10-30 중량부로 구성된 전체 골재 10-70 중량부10-70 parts by weight of total aggregates consisting of 20-40 parts by weight of aggregates of 19-13.2 mm, 30-70 parts by weight of aggregates of 13.2-4.75 mm and 10-30 parts by weight of aggregates of 4.75-2.3 mm 혹은or 골재크기가 26-19mm인 골재 10-30 중량부와 19-13.2mm인 골재 20-40 중량부와 13.2-4.75mm인 골재 15-35 중량부와 4.75-2.3mm인 골재 5-25 중량부로 구성된 전체 골재 10-70 중량부와;It consists of 10-30 parts by weight of aggregate with 26-19mm aggregate, 20-40 parts by weight of aggregate with 19-13.2mm, 15-35 parts by weight of aggregate with 13.2-4.75mm and 5-25 parts by weight of aggregate with 4.75-2.3mm 10-70 parts by weight of the total aggregate; 0.01-3mm 범위내의 입도를 가진 부순모래, 자연모래 혹은 규사 10-40 중량부와;10-40 parts by weight of crushed sand, natural sand or silica sand having a particle size in the range of 0.01-3 mm; 마사토, 점성토 혹은 사질토 10-50 중량부와;10-50 parts by weight of masato, viscous or sandy soil; 포틀랜드 시멘트, 백 시멘트, 고로 슬래그 시멘트. 알루미나 시멘트. 플라이애쉬 시멘트. 조강 시멘트, 초 조강 시멘트 중 하나 이상으로 구성된 시멘트 5-20 중량부와;Portland cement, white cement, blast furnace slag cement. Alumina cement. Fly ash cement. 5-20 parts by weight of cement composed of at least one of crude steel cement and ultra crude cement; 수분산형 폴리머 (EVA 에멀젼, 폴리아크릴 에멀젼, SBR 라텍스, NBR 라텍스, 폴리클로로프렌 라텍스)와 수용성 폴리머 (에폭시, 폴리우레탄, 폴리비닐아세테이트, 메틸 셀룰로즈, 에틸 셀룰로즈, 폴리비닐알콜, 폴리에틸렌옥사이드, 폴리아크릴아마이드, 불포화 폴리에스테르) 중 하나 이상인 것으로 폴리머 고형분이 0.1-70 중량부인 폴리머 수용액 1-20 중량부와;Water dispersible polymer (EVA emulsion, polyacrylic emulsion, SBR latex, NBR latex, polychloroprene latex) and water soluble polymer (epoxy, polyurethane, polyvinylacetate, methyl cellulose, ethyl cellulose, polyvinyl alcohol, polyethylene oxide, polyacrylamide 1-20 parts by weight of an aqueous polymer solution, wherein the polymer solid content is 0.1-70 parts by weight of at least one unsaturated polyester); 감수제(나프탈렌계, 설폰산계 혹은 폴리칼본산계), 조강제, 계면활성제, 부피 팽창제, 공기 연행제 중 하나 이상을 포함하는 혼화제 0.1-3 중량부와; 0.1-3 parts by weight of a admixture including at least one of a water reducing agent (naphthalene-based, sulfonic acid-based or polycarboxylic acid-based), a coarse agent, a surfactant, a volume expander, and an air entrainer; 물 5-20 중량부를 포함하여 이루어진 것을 특징으로 하는 폴리머 시멘트 콘크리트의 원리를 이용한 흙-폴리머-시멘트 콘크리트 조성물.Soil-polymer-cement concrete composition using the principle of polymer cement concrete, characterized in that it comprises 5-20 parts by weight of water. 제 1항에 있어서 강도증진 목적으로The method according to claim 1 for the purpose of increasing strength 보강섬유 5-30 중량부를 더욱 포함하거나; Or 5-30 parts by weight of reinforcing fibers; 석고 2-20 중량부를 더욱 포함하거나;Further comprising 2-20 parts by weight of gypsum; 석고 2-20 중량부와 실리카 퓸 1-10 중량부를 더욱 포함하거나;Further comprising 2-20 parts by weight of gypsum and 1-10 parts by weight of silica fume; 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부를 더욱 포함하거나;Or 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash and 5-15 parts by weight of blast furnace slag; 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부와 실리카 퓸 1-10 중량부를 더욱 포함하거나;Or 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash, 5-15 parts by weight of blast furnace slag and 1-10 parts by weight of silica fume; 보강섬유 5-40 중량부와 석고 2-20 중량부를 더욱 포함하거나;5-40 parts by weight of reinforcing fibers and 2-20 parts by weight of gypsum; 보강섬유 5-40 중량부와 석고 2-20 중량부와 실리카 퓸 1-10 중량부를 더욱 포함하거나;5-40 parts by weight of reinforcing fibers, 2-20 parts by weight of gypsum and 1-10 parts by weight of silica fume; 보강섬유 5-40 중량부와 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부를 더욱 포함하거나;5-40 parts by weight of reinforcing fibers, 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash, and 5-15 parts by weight of blast furnace slag; 보강섬유 5-40 중량부와 석고 2-20 중량부와 플라이애쉬 3-10 중량부와 고로 슬래그 5-15 중량부와 실리카 퓸 1-10 중량부를 더욱 포함하거나 할 수 있는 데,5-40 parts by weight of reinforcing fiber, 2-20 parts by weight of gypsum, 3-10 parts by weight of fly ash, 5-15 parts by weight of blast furnace slag and 1-10 parts by weight of silica fume, 상기 보강섬유는 내 알카리성 유리 섬유, 강 섬유, 폴리프로필렌 섬유, 폴리에틸렌 섬유, 폴리아이드 섬유, 풀리에스테르 섬유, 셀루로오즈 섬유, 폴리비닐 알콜섬유, 탄소 섬유 중 하나 또는 그 이상인 것을 특징으로 하는 폴리머 시멘트 콘크리트의 원리를 이용한 흙-폴리머-시멘트 콘크리트 조성물.The reinforcing fibers are polymer cement, characterized in that one or more of alkali-resistant glass fibers, steel fibers, polypropylene fibers, polyethylene fibers, polyamide fibers, pulley ester fibers, cellulose fibers, polyvinyl alcohol fibers, carbon fibers Soil-polymer-cement concrete composition using the principle of concrete. 제 1항에 있어서 각종 색깔의 무기 또는 유기 안료 1-20 중량부를 더욱 포함하는 것을 특징으로 하는 폴리머 시멘트 콘크리트의 원리를 이용한 흙-폴리머-시멘트 콘크리트 조성물. The soil-polymer-cement concrete composition according to claim 1, further comprising 1-20 parts by weight of inorganic or organic pigments of various colors.
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