KR100477522B1 - Cement concrete composite - Google Patents

Cement concrete composite Download PDF

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Publication number
KR100477522B1
KR100477522B1 KR10-2001-0074299A KR20010074299A KR100477522B1 KR 100477522 B1 KR100477522 B1 KR 100477522B1 KR 20010074299 A KR20010074299 A KR 20010074299A KR 100477522 B1 KR100477522 B1 KR 100477522B1
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South Korea
Prior art keywords
cement
aggregate
strength
cement concrete
less
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KR10-2001-0074299A
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Korean (ko)
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KR20030043227A (en
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최충진
강희명
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강희명
최충진
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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
    • C04B28/02—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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
    • 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
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0016—Granular materials, e.g. microballoons
    • 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
    • C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

본 발명의 목적은 포틀렌드시멘트와, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제 조성비를 사용용도(강도)에 따라 달리 조성하여 그를 중량별로 포장지에 포장 제공함으로서 사용현장에서는 상기 포장된 시멘트콘크리트 조성물을 포장지로부터 인출하여 적정량의 물과 혼합하여 사용할 수 있도록 한 시멘트콘크리트 조성물을 제공함에 있다.It is an object of the present invention to provide a port blend cement, a small aggregate and a large aggregate with water removed, and an admixture composition in a powder state according to the use (strength), and to provide them in a package by weight to provide them in a packaging site. It is to provide a cement concrete composition that can be used to take out the cement concrete composition from the packaging and mixed with an appropriate amount of water.

상기 목적을 달성하기 위한 본 발명의 구성은 포틀렌드시멘트와, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제를 골고루 섞어 포장함으로서, 그 포장된 시멘트콘크리트재료를 작업현장으로 운반하여 그 현장에서 물과 배합하여 사용할 수 있도록 한 것이다. The composition of the present invention for achieving the above object is to mix and package the port blend cement, water and small aggregates and large aggregates and the admixture in the form of powder, to transport the packaged cement concrete material to the work site It is intended to be used in combination with water.

Description

시멘트콘크리트 조성물{Cement concrete composite}Cement concrete composite

본 발명은 시멘트콘크리트 조성물에 관한 것으로서, 더욱 상세하게는 시멘트콘크리트 재료를 형성하는 각각의 포틀렌드시멘트, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제를 강도에 따라 조성비를 달리하여 중량별로 포장지에 포장 제공함으로서 사용상의 간편함과 용이함을 주도록 한 시멘트콘크리트 조성물에 관한 것이다.The present invention relates to a cement concrete composition, and more particularly, each of the port blend cement forming the cement concrete material, the small aggregate and the large aggregate, and the admixture in the form of powder, which differ in composition, depending on the strength The present invention relates to a cement concrete composition provided with packaging to provide simplicity and ease of use.

시멘트콘크리트 조성물이라 함은 각종 건축 및 토목 공사를 할 때에 필수적으로 사용되는 시멘트콘크리트 몰탈의 재료를 의미하는 것으로서, 이는 시멘트와 골재를 일정비율로 혼합하여 된 것이며, 상기 시멘트콘크리트 몰탈은 시멘트콘크리트 조성물에 물을 혼합하여 반죽상태가 되는 것을 말한다.Cement concrete composition refers to a material of cement concrete mortar which is essentially used in various construction and civil engineering work, which is a mixture of cement and aggregate in a certain ratio, and the cement concrete mortar is used in cement concrete composition It means mixing water to make dough.

각종 건축 및 토목 공사장에서 사용되는 일반적으로 시멘트콘크리트 조성은 작업현장에서 포장된 시멘트와 화물차를 이용하여 운송된 모래(작은 골재) 및 큰 골재를 경험에 의해서 적당이 혼합하고 그 혼합물에 물 역시 경험에 의존하여 투입한 후 혼합하여 사용하고 있는 바, 이는 법에서 요구하는 건축물의 강도 및 도로포장에서 요구하는 압축강도와 휨 강도를 유지할 수 없는 것으로 부실공사의 원인이 되었다.Cement concrete composition generally used in various construction and civil engineering works is suitable to mix sand (small aggregates) and large aggregates transported by using cement and vans packed at work sites. It was mixed and used after mixing, which caused poor construction due to the inability to maintain the strength of buildings required by law and the pavement strength and flexural strength required by road pavement.

또 상기 작업현장에서 조성되고 몰탈이 만들어지는 곳을 그 작업현장의 선택된 바닥 면으로서, 이는 시멘트 및 골재의 손실 량이 너무 많음은 물론, 협소한 작업현장일 경우에는 차량 등의 진입이 어려워 그 차량이 진입한 부근에서부터 손수레 또는 등짐 하는 방법으로 이송해야 하는 문제점이 있다. 또한 시멘트 및 골재와 물을 투입하고 그를 믹싱하며 이송할 수 있는 레미콘차 역시도 작업현장의 골목길이 협소할 경우에는 무용지물이 되는 문제점이 있다.In addition, the selected floor surface of the work site is a place where the work site is formed and mortar is made, which means that the amount of loss of cement and aggregate is too high, and in the case of a narrow work site, it is difficult to enter a vehicle. There is a problem that must be transported by a cart or a backpack from the vicinity of the entry. In addition, the ready-mixed concrete, which can be mixed with cement and aggregate and water, and transported there is also a problem that becomes useless when the alleys of the work site are narrow.

한편 근래에 제공된 특허출원 제 1996-41007호는 조강 및 고 강도형 콘크리트 도로 포장용 시멘트 조성물에 관한 것으로서, 그 구성은 포틀랜드 시멘트 100 중량부에 대해 슬래그 입자 크기가 15 내지 25μ인 것이 70 내지 80 중량%, 5μ이하의 미 분말이 20 내지 30 중량%로 입도 조정된 슬래그를 20 내지 50중량부 첨가하여 이루어진 시멘트 조성물에 대해 조기 고강도 및 고유동성 향상 및 수화열 억제제로서 텍스트린을 0.1 내지 5.0 중량% 첨가하여 된 것이다.Meanwhile, recently applied patent application No. 1996-41007 relates to a cement composition for rough steel and high strength concrete pavement, the composition of which is 70 to 80% by weight of slag particle size of 15 to 25μ with respect to 100 parts by weight of Portland cement 20 to 50 parts by weight of slag having a particle size adjusted to 20 to 30% by weight of fine powder of less than 5μ was added to 0.1 to 5.0% by weight of texturing as an early high strength and high fluidity improvement and heat suppression It is.

그러나 상기 재료로 사용되는 슬래그는 제철소에서 부산물로 나오는 CaO, MgO, Al2O3, SiO2, Fe2O3이기 때문에 그들의 발생 량은 한정적일 수밖에 없고, 따라서 소비자에게 제공되는 시멘트콘크리트 조성물의 양 또한 한정적일 수밖에 없음은 물론, 소비자 단가가 고가인 단점이 있다.However, since the slag used as the material is CaO, MgO, Al 2 O 3 , SiO 2 , Fe 2 O 3 which are produced as by-products from steel mills, their amount is inevitably limited, and thus the amount of cement concrete composition provided to consumers In addition, there is a limitation that, of course, the consumer unit price is expensive.

또 특허출원 제 1997-048758호는 슬래그(slag) 45∼99 중량%와 무수석고 1∼55 중량%를 함유한 혼합제를 분말도 7,000∼10,000cm2/g 정도의 입도를 갖도록 분쇄한 증기양생용 시멘트의 고강도 혼합재 조성물에 관한 것으로서, 이 역시 슬래그가 상기 특허출원 제 1996-41007호와 마찬가지로 제철소에서 부산물로 나오는 CaO, MgO, Al2O3, SiO2, Fe2O3이기 때문에 상기의 문제점과 동일한 문제점을 가지고 있다.Patent application No. 1997-048758 is for steam curing in which a mixture containing 45 to 99% by weight of slag and 1 to 55% by weight of anhydrous gypsum is ground to a particle size of 7,000 to 10,000 cm 2 / g. The present invention relates to a high-strength mixture composition of cement, which is also related to the above problems because slag is CaO, MgO, Al 2 O 3 , SiO 2 , Fe 2 O 3 , which are produced as by-products from steel mills, as in Patent Application No. 1996-41007. I have the same problem.

본 발명은 상기와 같은 제반 문제점을 감안하여 이를 해소하고자 발명한 것으로서, 그 목적은 포틀렌드시멘트와, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제 조성비를 사용용도(강도)에 따라 달리 조성하여 그를 중량별로 포장지에 포장 제공함으로서 사용현장에서는 상기 포장된 시멘트콘크리트 조성물을 포장지로부터 인출하여 적정량의 물과 혼합하여 사용할 수 있도록 한 시멘트콘크리트 조성물을 제공함에 있다.The present invention has been invented to solve the above problems in consideration of the above problems, its purpose is to vary the composition ratio of port blend cement, water and small aggregates and large aggregates, and admixtures in powder state depending on the use (strength) The present invention provides a cement concrete composition which allows the packaged cement concrete composition to be taken out of the wrapping paper and mixed with an appropriate amount of water.

상기 목적을 달성하기 위한 본 발명의 시멘트콘크리트 조성물은 포틀렌드시멘트와, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제를 골고루 섞어 포장함으로서, 그 포장된 시멘트콘크리트재료를 작업현장으로 운반하여 그 현장에서 물과 배합하여 사용할 수 있도록 한 것이다.Cement concrete composition of the present invention for achieving the above object by packing the mixture of the port blend cement, the small aggregate and the large aggregate and the powdered admixture evenly removed, thereby transporting the packaged cement concrete material to the work site It is intended to be used in combination with water at the site.

상기와 같은 포장된 시멘트콘크리트 조성물은 레미콘 차가 진입하기 힘든 작업현장 및 소규모의 시멘트콘크리트를 필요로 하는 작업현장 등에서의 사용이 용이하고, 또 레미콘 차가 진입할 수 있거나 대규모의 시멘트콘크리트를 필요로 하는 작업현장 등에서도 간편하게 사용할 수 있다.The packaged cement concrete composition as described above is easy to use in the workplace and difficult to enter the concrete concrete site and require a small amount of cement concrete, the work that can be entered into the concrete concrete or require large-scale cement concrete Can be used easily in the field.

이상과 같은 본 발명의 시멘트콘크리트 조성물은 사용처 즉 구축물(각종 건물)의 압축강도 그리고 포장도로의 압축강도 및 휨 강도에 따라 시멘트콘크리트의 재료인 포틀렌드시멘트, 잔골재(5mm이하), 굵은 골재(25mm이하), 분말상태의 혼화제(멜라민) 배합비율을 틀리게 하여 조성한 후 각 단위별(10kg. 20kg. 30kg. 40kg. 50kg)로 포장하여 제공하는데, 그 실시 예를 들어 설명하면 다음과 같다. 단 상기 각 단위별 포장되는 포장지에는 물의 혼합비를 기재하여 준다. As described above, the cement concrete composition of the present invention is used as a material of cement concrete, port aggregate cement, fine aggregate (less than 5mm), coarse aggregate (25mm) according to the use strength, that is, the compressive strength of the construct (various buildings) and the compressive strength and flexural strength of the pavement. Or less), after mixing the composition ratio of the admixture (melamine) in the powder form is wrong and provided in each unit (10kg. 20kg. 30kg. 40kg. 50kg), provided by the embodiment described as follows. However, the wrapping paper to be packed for each unit is described the mixing ratio of water.

[실시예 1]Example 1

본 발명의 실시 예1은 압축강도 150∼200kg/cm2와 휨 강도 25∼34kg/cm2를 갖는 시멘트콘크리트 재료를 조성하기 위한 것으로, 그 혼합비를 는 포틀렌드시멘트 240∼300kg/m3, 직경5mm이하의 작은 골재 850∼890kg/m3, 직경25mm이하의 큰 골재 900∼970kg/m3, 혼화제로 멜라민 0.7∼1kg/m3의 배합비를 갖는다.Example 1 of the present invention is to form a cement concrete material having a compressive strength of 150 ~ 200kg / cm 2 and the bending strength of 25 ~ 34kg / cm 2 , the mixing ratio of the port blend cement 240 ~ 300kg / m 3 , diameter a small aggregate 850~890kg / m 3, large aggregate diameter 900~970kg / m 3, of 25mm or less admixture of 5mm or less and has a mixing ratio of melamine 0.7~1kg / m 3.

상기 배합비에 따른 압축강도 150∼200kg/cm2와 휨 강도 25∼34kg/cm2를 갖는 결과의 도출은 상기 각각의 원료들을 상기 배합범위 내에서 배합 량을 달리하며 혼합하고, 그 혼합된 시멘트콘크리트 조성물에 물을 적정량 투입하여 콘크리트 몰탈을 만든 다음 그 몰탈을 지름10cm, 높이20cm인 원통형으로 만들어 양생 완료시킨 후 압축강도 시험기로 압축강도를 측정하고, 또 가로15cm ×세로15cm와 높이55cm의 직육면체를 만들어 양생 완료시킨 후 휨 강도 시험기로 휨 강도를 4회 측정하고, 그 결과를 하기 표1에 나타내었다.Derivation of results having a compressive strength 150~200kg / cm 2 and a flexural strength 25~34kg / cm 2 according to the above compounding ratio, unlike the compounding amount of the respective materials within the formulation range, and were mixed, and the mixed cement concrete After adding a proper amount of water to the composition to make concrete mortar, the mortar is made into a cylindrical shape of 10cm in diameter and 20cm in height, and curing is completed, and the compressive strength is measured by a compressive strength tester, and a rectangular parallelepiped of 15cm × 15cm in height and 55cm in height After the curing was completed, the bending strength was measured four times by a bending strength tester, and the results are shown in Table 1 below.

단 하기 표1에 나타난 압축강도 및 휨 강도를 측정하기 위하여 실험되는 모형은 7일간 자연 양생시킨 것이고, 증기양생의 경우에는 상기 표1과 동일한 조건에서 압축강도 및 휨 강도가 20% 이상 향상됨을 알 수 있었다. 그리고 증기양생이라 함은 상기 자연양생과 동일하게 밀폐된 공간에 모형을 만들고 그 모형이 만들어진 공간에 50∼80℃의 스팀을 공급하여 양생시키는 것을 말한다.However, the experimental model to measure the compressive strength and flexural strength shown in Table 1 was naturally cured for 7 days, and in the case of steam curing, the compressive strength and flexural strength were improved by more than 20% under the same conditions as in Table 1 above. Could. And steam curing means to make a model in a closed space in the same manner as the natural curing and to cure by supplying steam of 50 ~ 80 ℃ to the space where the model is made.

시멘트 (kg/m3)Cement (kg / m 3 ) 잔 골재(kg/m3)Fine aggregates (kg / m 3 ) 큰 골재(kg/m3)Large Aggregate (kg / m 3 ) 혼화제(kg/m3)Admixture (kg / m 3 ) 물(kg/m3)Water (kg / m 3) 압축강도(kg/cm2)Compressive strength (kg / cm 2 ) 휨 강도(kg/cm2)Flexural strength (kg / cm 2 ) 1회1 time 240240 885885 905905 0.720.72 180180 150150 2525 2회Episode 2 250250 875875 930930 0.750.75 180180 160160 26.626.6 3회3rd time 280280 866866 950950 0.840.84 174174 180180 3030 4회4 times 300300 850850 970970 0.90.9 170170 200200 33.333.3

[실시예 2]Example 2

본 발명의 실시 예2는 상기 실시 예1과 모든 조건은 동일하게 하고, 압축강도 210kg∼240kg/cm2와 휨 강도 35∼40kg/cm2를 갖는 시멘트콘크리트 재료를 조성하기 위하여 포틀렌드시멘트 301∼340kg/m3, 직경5mm이하의 작은 골재 840∼860kg/m3, 직경25mm이하의 큰 골재 950∼980kg/m3, 혼화제로 멜라민 0.9∼1.1kg/m3의 배합비를 갖는 범위 내에서 하기 표2에 나타낸 바와 같이 4회에 걸쳐 배합 량을 달리하며 혼합하고, 그 혼합된 시멘트콘크리트 조성물에 물을 적정량 투입하여 콘크리트 몰탈을 만든 후 양생시켜 압축 강도와 휨 강도를 측정하였다.In Example 2 of the present invention, all the conditions are the same as those of Example 1, and in order to form a cement concrete material having a compressive strength of 210 kg to 240 kg / cm 2 and a bending strength of 35 to 40 kg / cm 2 , 340kg / m 3, to a diameter within a range having a smaller aggregate 840~860kg / m 3, large aggregate diameter 950~980kg / m 3, the blending ratio of melamine 0.9~1.1kg / m 3 to the admixture of 25mm or less of 5mm or less Table As shown in 2, the mixture was mixed four times with different amounts, and a suitable amount of water was added to the mixed cement concrete composition to make concrete mortar, followed by curing to measure compressive strength and flexural strength.

시멘트 (kg/m3)Cement (kg / m 3 ) 잔 골재(kg/m3)Fine aggregates (kg / m 3 ) 큰 골재(kg/m3)Large Aggregate (kg / m 3 ) 혼화제(kg/m3)Admixture (kg / m 3 ) 물(kg/m3)Water (kg / m 3) 압축강도(kg/cm2)Compressive strength (kg / cm 2 ) 휨 강도(kg/cm2)Flexural strength (kg / cm 2 ) 1회1 time 305305 847847 963963 0.920.92 173173 210210 3535 2회Episode 2 318318 860860 975975 0.950.95 175175 220220 3737 3회3rd time 326326 850850 974974 0.980.98 177177 230230 38.338.3 4회4 times 340340 840840 980980 1.021.02 180180 240240 4040

[실시예 3]       Example 3

본 발명의 실시 예3은 상기 실시 예1과 모든 조건은 동일하게 하고, 압축강도 250kg∼350kg/cm2와 휨 강도 50∼59kg/cm2을 갖는 시멘트콘크리트 재료를 조성하기 위하여 포틀렌드시멘트 350∼420kg/m3, 5mm이하의 잔골재 760∼830kg/m3, 25mm이하의 굵은 골재 930∼970kg/m3, 혼화제 멜라민 1∼1.3kg/m3의 배합비를 갖는 범위 내에서 하기 표3에 나타낸 바와 같이 4회에 걸쳐 배합 량을 달리하며 혼합하고, 그 혼합된 시멘트콘크리트 조성물에 물을 적정량 투입하여 콘크리트 몰탈을 만든 후 양생시켜 압축 강도와 휨 강도를 측정하였다.In Example 3 of the present invention, all conditions are the same as those of Example 1, and in order to form a cement concrete material having a compressive strength of 250 kg to 350 kg / cm 2 and a bending strength of 50 to 59 kg / cm 2 , to within 420kg / m 3, the range having a proportion of coarse aggregate 930~970kg / m 3, admixture melamine 1~1.3kg / m 3 of fine aggregate 760~830kg / m 3, 25mm or less of 5mm or less as shown in Table 3 The mixture was mixed four times while varying the mixing amount, and the mixed cement concrete composition was put in an appropriate amount of water to make concrete mortar, and then cured to measure compressive strength and flexural strength.

시멘트 (kg/m3)Cement (kg / m 3 ) 잔 골재(kg/m3)Fine aggregates (kg / m 3 ) 큰 골재(kg/m3)Large Aggregate (kg / m 3 ) 혼화제(kg/m3)Admixture (kg / m 3 ) 물(kg/m3)Water (kg / m 3) 압축강도(kg/cm2)Compressive strength (kg / cm 2 ) 휨 강도(kg/cm2)Flexural strength (kg / cm 2 ) 1회1 time 370370 823823 970970 1.11.1 170170 320320 5353 2회Episode 2 390390 800800 965965 1.21.2 170170 330330 5555 3회3rd time 400400 769769 947947 1.21.2 171171 340340 5757 4회4 times 415415 762762 938938 1.241.24 172172 350350 58.358.3

[실시예 4]       Example 4

본 발명의 실시 예4는 상기 실시 예1과 모든 조건은 동일하게 하고, 압축강도 압축강도 360kg∼400kg/cm2와 휨 강도 60∼70kg/cm2를 갖는 시멘트콘크리트 재료를 조성하기 위하여 포틀렌드시멘트 430∼520kg/m3, 직경5mm이하의 작은 골재 710∼760kg/m3, 직경25mm이하의 큰 골재 880∼930kg/m3, 혼화제 1.3∼1.6kg/m3 의 배합비를 갖는 범위 내에서 하기 표4에 나타낸 바와 같이 4회에 걸쳐 배합 량을 달리하며 혼합하고, 그 혼합된 시멘트콘크리트 조성물에 물을 적정량 투입하여 콘크리트 몰탈을 만든 후 양생시켜 압축 강도와 휨 강도를 측정하였다.In Example 4 of the present invention, all conditions are the same as those of Example 1, and the Portland cement is used to form a cement concrete material having a compressive strength of 360kg to 400kg / cm 2 and a bending strength of 60 to 70kg / cm 2 . 430 to 520 kg / m 3 , small aggregate of less than 5mm in diameter 710 to 760kg / m 3 , large aggregate of less than 25mm in diameter 880 to 930kg / m 3 , admixture 1.3 to 1.6kg / m 3 As shown in 4, the mixture was mixed four times, varying the mixing amount, and water was added to the mixed cement concrete composition to make concrete mortar, and then cured to measure compressive strength and flexural strength.

시멘트 (kg/m3)Cement (kg / m 3 ) 잔 골재(kg/m3)Fine aggregates (kg / m 3 ) 큰 골재(kg/m3)Large Aggregate (kg / m 3 ) 혼화제(kg/m3)Admixture (kg / m 3 ) 물(kg/m3)Water (kg / m 3) 압축강도(kg/cm2)Compressive strength (kg / cm 2 ) 휨 강도(kg/cm2)Flexural strength (kg / cm 2 ) 1회1 time 433433 753753 927927 1.31.3 174174 360360 6060 2회Episode 2 458458 741741 913913 1.371.37 176176 370370 6262 3회3rd time 490490 726726 894894 1.471.47 179179 390390 6565 4회4 times 512512 717717 883883 1.541.54 180180 400400 6767

상술한 바와 같은 본 발명은 포틀렌드시멘트와, 수분이 제거된 작은 골재 및 큰 골재 그리고 분말상태의 혼화제 조성비를 사용용도(압축강도와 휨 강도)에 따라 달리하며 조성하여 중량별로 포장지에 포장 제공함으로서 사용현장에서는 상기 포장된 시멘트콘크리트 조성물을 포장지로부터 인출하여 적정량의 물과 혼합하여 사용하면 됨으로 종래 문제점인 시멘트, 물, 작은 골재, 큰 골재를 별도로 준비하여 작업현장에서 배합하여 사용하는 것 보다 손실 율이 적고, 정확한 강도를 유지할 수 있으며, 작업기간을 단축할 수 있는 장점이 있다. According to the present invention as described above, the composition ratio of the port blend cement, the small aggregate and the large aggregate from which moisture is removed, and the admixture in the form of powder are varied depending on the use purpose (compressive strength and flexural strength), thereby providing the packaging in the package by weight. At the site of use, the packaged cement concrete composition may be taken out of the package and mixed with an appropriate amount of water, so that the loss ratio of the cement, water, small aggregate, and large aggregate, which is a conventional problem, may be separately prepared and used in the workplace. This has the advantage of being able to maintain a small, accurate strength and shorten the working period.

이상과 같은 본 발명은 시멘트콘크리트 조성물(포틀렌드시멘트, 수분이 제거된 작은 골재 및 큰 골재 그리고 분상의 혼화제)을 포장하여 제공함으로서 사용상의 간편함과 동시에 사용용도에 따른 압축강도 및 휨 강도를 정확하게 맞출 수 있음으로 부실시공을 없애고 튼튼한 건축 및 토목공사를 할 수 있는 특유의 효과가 있다.As described above, the present invention is provided by packaging a cement concrete composition (port blend cement, small aggregate and large aggregate, and powdered admixture), which is easy to use and at the same time accurately fits the compressive strength and bending strength according to the intended use. As a result, there is a unique effect of eliminating subconstructions and allowing for robust construction and civil works.

또 본 발명은 많은 양의 시멘트 콘크리트를 필요로 하는 공사현장 외에도 소량 사용하는 각 가정에서도 필요한 양만큼만 구입하여 사용하면 됨으로 사용상의 편리함과 낭비를 방지할 수 있는 특유의 효과가 있다.In addition, the present invention has a peculiar effect of preventing convenience and waste of use because it is necessary to purchase and use only the necessary amount in each home using a small amount in addition to the construction site requiring a large amount of cement concrete.

Claims (4)

건축, 토목, 도로공사 등에 사용되는 시멘트콘크리트 조성물에 있어서,150∼200kg/cm2의 압축강도와 25∼34kg/cm2의 휨강도를 갖도록, 건조된 시멘트 240∼300kg/m3와, 5mm 이하의 건조된 잔골재 850∼890kg/m3와, 25mm 이하의 건조된 굵은골재 900∼970kg/m3와, 건조된 분말상태의 혼화제 0.7∼1kg/m3가 배합된 혼합물이 중량별로 포장지에 포장되어 제공된 것을 특징으로 하는 시멘트콘크리트 조성물.In cement-concrete compositions to be used for construction, civil engineering and road construction, 150~200kg / cm 2 and have a compressive strength of the bending strength of 25~34kg / cm 2, the dry cement 240~300kg / m 3 and, of 5mm or less the dried aggregate 850~890kg / m 3, and the dried coarse aggregate 900~970kg / m 3 of less than 25mm and, in a dry powder state admixture 0.7~1kg / m 3 are blended mixture that comes packaged in a wrapper by weight Cement concrete composition, characterized in that. 건축, 토목, 도로공사 등에 사용되는 시멘트콘크리트 조성물에 있어서, 210kg∼240kg/cm2의 압축강도와 35∼40kg/cm2 휨강도를 갖도록, 건조된 시멘트 301∼340kg/m3와, 5mm 이하의 건조된 잔골재 840∼860kg/m3와, 25mm 이하의 건조된 굵은골재 950∼980kg/m3와, 건조된 분말상태의 혼화제 0.9∼1.1kg/m3가 배합된 혼합물이 중량별로 포장지에 포장되어 제공된 것을 특징으로 하는 시멘트콘크리트 조성물.Construction, civil engineering and road construction in the cement-concrete compositions used in, 210kg~240kg / cm 2 so as to have a compression strength and 35~40kg / cm 2 flexural strength, the dry cement 301~340kg / m 3 and, drying of 5mm or less the fine aggregate 840~860kg / m 3 and, provided that the dried coarse aggregate 950~980kg / m 3 and, in a dry powder state admixture 0.9~1.1kg / m 3 are blended mixture of 25mm or less is packed in wrappers by weight Cement concrete composition, characterized in that. 건축, 토목, 도로공사 등에 사용되는 시멘트콘크리트 조성물에 있어서, 250kg∼350kg/cm2의 압축강도와 50∼59kg/cm2 휨강도를 갖도록, 건조된 시멘트 350∼420kg/m3와, 5mm 이하의 건조된 잔골재 760∼830kg/m3와, 25mm 이하의 건조된 굵은골재 930∼970kg/m3와, 건조된 분말상태의 혼화제 1∼1.3kg/m3가 배합된 혼합물이 중량별로 포장지에 포장되어 제공된 것을 특징으로 하는 시멘트콘크리트 조성물.Construction, civil engineering and road construction in the cement-concrete compositions used in, 250kg~350kg / cm 2 so as to have a compression strength and 50~59kg / cm 2 flexural strength, the dry cement 350~420kg / m 3 and, drying of 5mm or less the fine aggregate 760~830kg / m 3 and, provided that the dried coarse aggregate 930~970kg / m 3 and, in a dry powder state admixture 1~1.3kg / m 3 are blended mixture of 25mm or less is packed in wrappers by weight Cement concrete composition, characterized in that. 건축, 토목, 도로공사 등에 사용되는 시멘트콘크리트 조성물에 있어서, 360kg∼400kg/cm2의 압축강도와 60∼67kg/cm2 휨강도를 갖도록, 건조된 시멘트 430∼520kg/m3와, 5mm 이하의 건조된 잔골재 710∼760kg/m3와, 25mm 이하의 건조된 굵은골재 880∼930kg/m3와, 건조된 분말상태의 혼화제 1.3∼1.6kg/m3가 배합된 혼합물이 중량별로 포장지에 포장되어 제공된 것을 특징으로 하는 시멘트콘크리트 조성물.Construction, civil engineering and road construction in the cement-concrete compositions used in, 360kg~400kg / cm 2 so as to have a compression strength and 60~67kg / cm 2 flexural strength, the dry cement 430~520kg / m 3 and, drying of 5mm or less the fine aggregate 710~760kg / m 3 and, provided that the dried coarse aggregate 880~930kg / m 3 and, in a dry powder state admixture 1.3~1.6kg / m 3 are blended mixture of 25mm or less is packed in wrappers by weight Cement concrete composition, characterized in that.
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