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KR940002028B1 - Lightweight concrete - Google Patents

Lightweight concrete Download PDF

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KR940002028B1
KR940002028B1 KR1019910008586A KR910008586A KR940002028B1 KR 940002028 B1 KR940002028 B1 KR 940002028B1 KR 1019910008586 A KR1019910008586 A KR 1019910008586A KR 910008586 A KR910008586 A KR 910008586A KR 940002028 B1 KR940002028 B1 KR 940002028B1
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lightweight concrete
clay
masato
foaming agent
cement
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KR1019910008586A
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Korean (ko)
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KR920021464A (en
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박효선
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박효선
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use 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
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/10Clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08Acids or salts thereof
    • C04B22/12Acids or salts thereof containing halogen in the anion
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/12Nitrogen containing compounds organic derivatives of hydrazine
    • C04B24/14Peptides; Proteins; Derivatives thereof

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

내용 없음.No content.

Description

경량 콘크리트Lightweight concrete

제1도는 본 발명에 따른 생산공정을 나타낸다.1 shows a production process according to the invention.

본 발명은 경량 콘크리트에 관한 것으로, 국내외를 막론하고, 공사장 주변에서 쉽게 구할 수 있는 점토와 모래 또는 마사토와 같은 골재에 시멘트와 물을 가하여 혼합한 다음 토양안정제를 가하여 모르타르를 조성하고, 이에 단백질 기포제로 형성된 공기 기포를 주입하여서 된 모르타르를 성형 또는 직접 양생함으로써, 공사장 주변에서 쉽게 만들 수 있고, 다양한 점토 선택에 따라 미려한 색상을 내며, 성형방법에 따라 미려한 디자인의 건축물을 만들 수 있는 경량 콘크리트에 관한 것이다.The present invention relates to lightweight concrete, both domestic and foreign, and cement and water are added to the aggregate, such as clay and sand or masato, which can be easily obtained around the construction site, and then mixed with soil stabilizer to form a mortar, and a protein foam agent By molding or directly curing the mortar formed by injecting air bubbles formed in the air, it is easy to make it around the construction site, produces beautiful colors according to various clay choices, and relates to lightweight concrete that can make a beautifully designed building according to the molding method. will be.

경량 콘크리트로 알려진 ALC(Autoclaved light weight concrete)와 PALC(Precastable Autoclaved light weight ceramic)는 일반 시멘트제품 조성인 시멘트, 석고, 규사 등에 발포제 또는 기포제를 가하여, 일정한 규격의 크기로 오토크레이브(Autoclave)내에서 양생완성하는 경량 콘크리트이다.Autoclaved light weight concrete (ALC) and precastable autoclaved light weight ceramic (PALC), known as lightweight concrete, add foaming agents or foaming agents to cement, gypsum, and silica sand, which are general cement product compositions, and are used in autoclaves to a certain size. It is a light-weight concrete to cure.

발포제로는 금속 알루미늄, 중탄산나트리움 등이 알려져 있으며, 일본 특허공보 소59-27738호에는 발포제로서 아조디카본 아미드 등의 유기 발포제를 사용하는 기술이 기재되어 있다.Examples of the blowing agent include metal aluminum, sodium bicarbonate, and the like, and Japanese Patent Publication No. 59-27738 discloses a technique using an organic blowing agent such as azodicarbon amide as the blowing agent.

기포제로서는 계면활성제를 이용, 공기의 기포가 시멘트 조성물내에 포함되도록 하는 방법과, 동물성 단백질을 기포제로 하여, 공기의 미세 기포가 상당히 안정되게 시멘트 조성물내에 첨가되어 경량 콘크리트가된다는 기술도 알려져 있다.As a foaming agent, there is also known a method of allowing air bubbles to be contained in the cement composition using a surfactant, and a technique in which fine bubbles of air are added into the cement composition to be fairly stable and light weight concrete using animal protein as the foaming agent.

이러한 단백질로는 우모제, 각, 모발, 피혁 등을 가수분해하여 동물성 단백질을 얻는 방법이 공고 번호 제83-2219호 특허공보에 기재되어 있으며, 일본 특허 공보 소59-53226에는 ALC판의 제조 방법을 개량하기 위한 기술이 기재되어 있는 등 경량 콘크리트 분야의 기술이 날로 개발되고 있다.As such a protein, a method of obtaining an animal protein by hydrolyzing a feather, hair, hair, leather and the like is described in Japanese Patent Publication No. 83-2219, and Japanese Patent Publication No. 59-53226 describes a method for producing an ALC plate. Techniques in the field of lightweight concrete are being developed day by day, such as techniques for improving the efficiency.

경량 콘크리트는 고층건물의 출현과 함께 요구되는 건물의 경량화, 방수성, 방음성, 단열성, 취급용이성 및 경제성에 부합되는 특성으로 인하여 건축재로서 각광을 받고 있다.Lightweight concrete has been in the spotlight as a building material due to the characteristics of high-rise buildings required for light weight, waterproofness, soundproofing, insulation, handling and economic feasibility.

그러나, 이러한 경량 콘크리트 제품은 일정시설을 갖춘 비교적 큰 규모의 공장에서 대량 생산, 소비처인 공사현장으로 운반되어야 하는 번거로움이 있으며, 규사 등의 세골재는 채취장에서 다시 공장으로 운반하는 등의 어려움과 규사/모래등 골재 자체의 품귀로 건축 비용이 날로 상승되는 등의 문제점을 동시에 안고 있다.However, these lightweight concrete products have to be transported from a relatively large factory with a certain facility to a mass production site and a construction site, a consumer, and it is difficult to transport fine aggregates such as silica sand from a collection site to a factory. Due to the shortage of aggregates, such as sand, construction costs are rising day by day.

본 발명자는 경량 콘크리트의 장점을 유지하면서 경량 콘크리트 제품을 생산 공급하는 과정에서 일어나는 상기 문제점을 해결코저 수없는 실험 연구를 반복한 끝에 어느 공사장에서나 쉽게 구할 수 있는 점토와 모래 또는 마사토를 주골재로 사용하는 경량 콘크리트를 발명하게 된 것이다.The inventors use clay and sand or masato as main aggregates, which can be easily obtained at any construction site, after repeating experimental studies that cannot solve the above problems in the process of producing and supplying lightweight concrete products while maintaining the advantages of lightweight concrete. Invented lightweight concrete.

즉, 본 발명은 점토(15∼30 v.%)와 모래(5∼15 v.%)를 주골재로 하거나 또는 마사토(30∼60 v.%)를 주골재로 하고 이에 적량의 시멘트와 물을 혼합하여 된 모르타르에 소량의 토양안정제(1.5∼4.5 v.%)를 가하여 상기 모르타르를 1차 안정시킨 후 기포제로서 단백질 기포제(0.1∼0.5 v.%)를 투입하고, 기타 감수제 등 소량의 시멘트 첨가제와 물을 가하여 동 모르타르를 2차 안정시킨 다음, 이를 형틀에 넣어 자연양생 또는 강제 양생하여 된 경량 콘크리트로서, 이는 판넬을 제조하거나 벽면 또는 외부벽을 구성하거나 또는 벽돌 모양으로 성형하는 등 여러 용도로 사용 가능하며, 외부자재로 사용될 경우에는 원료로서 점토를 선택적으로 사용함으로써 미려한 외부벽체를 형성할 수 있는 등의 장점을 가진다.That is, in the present invention, clay (15 to 30 v.%) And sand (5 to 15 v.%) Are used as main aggregates or masato (30 to 60 v.%) As main aggregates. A small amount of soil stabilizer (1.5 to 4.5 v.%) Was added to the mortar prepared by mixing the mixture to stabilize the mortar first, and then a protein foaming agent (0.1 to 0.5 v.%) Was added as a foaming agent, and a small amount of cement such as other water reducing agent was added. Secondary stabilization of copper mortar by the addition of additives and water, followed by spontaneous curing or forced curing, which is a lightweight concrete made of panels, forming walls or exterior walls, or forming bricks. When used as an external material, it has the advantage of being able to form a beautiful exterior wall by selectively using clay as a raw material.

이와 같이 만들어진 경량 콘크리트는 그 비중이 0.3∼1.6 정도로서 규사와 시멘트등으로 만들어진 ALC나 PALC에 비하여 약간 무거우나 이동 조립식 방식으로 현장에서 제작이 가능하며, 세골재의 조달 및 선택이 용이하고 ; 용도, 목적에 따라 배합비율의 조절이 용이하고, 규격제한을 받지 아니하고 특수설계가 가능하며 ; 외장의 입체 조각, 입체색상의 선택을 쉽게 하여 건축물의 예술적가치를 나타내게 할 수 있는 등 경제적 예술적 가치를 향상시킬 수 있는 장점을 가진다.The light weight concrete produced in this way has a specific gravity of about 0.3 to 1.6, which is slightly heavier than ALC or PALC made of silica sand and cement, but can be manufactured on site in a mobile assembly type, and it is easy to procure and select fine aggregates; It is easy to adjust the mixing ratio according to the use and purpose, and special design is possible without being restricted by the standard; Easily select the three-dimensional sculpture and three-dimensional color of the exterior to represent the artistic value of the building has the advantage of improving the economic artistic value.

본 발명에서와 같이 점토나 마사토를 시멘트와 같이 사용하여 모르타르를 만들때 그 모르타르를 1차 안정화할 수 있는 것은 토양안정제의 역활에 기인한 것이다. 토양안정제에는 Na2SiO2, Na2SiO3, MgCl2, Na2CO3, NH4Cl 등이 함유되어 있어, 이들 화학성분이 점토 또는 마사토에 있는 각종 성분과 각종 화학 반응을 일으켜 점토 또는 마사토를 주골재로 하는 경량 콘크리트의 강도를 높여주고 안정시켜 준다. 또한 2차 안정화 과정에서는 단백질 기포제가 콘크리트내에 안정한 기포로 존재하게 되어 결과적으로 점토 또는 마사토를 주골재로 하는 경량 콘크리트 제품이 가능하게 되는 것이다. 상기 토양안정제는 "SAMASOL-SN40"이라는 상품명으로 시판되고 있으며, 이는 고속도로 기층공사, 항만공사, 건축공사, 저수지공사 등 토양의 강도를 강화시켜 주는 목적으로 사용되어 왔다.As in the present invention, when clay or masato is used together with cement to make mortar, the mortar may be primarily stabilized due to the role of a soil stabilizer. The soil stabilizer contains Na 2 SiO 2 , Na 2 SiO 3 , MgCl 2 , Na 2 CO 3 , NH 4 Cl, etc., and these chemicals cause various chemical reactions with the various components in clay or masato, resulting in clay or masato Strengthen and stabilize the strength of lightweight concrete that is used as the main aggregate. In addition, in the second stabilization process, the protein foaming agent is present as a stable bubble in the concrete, and as a result, a lightweight concrete product with clay or masato as the main aggregate becomes possible. The soil stabilizer is marketed under the trade name "SAMASOL-SN40", which has been used for the purpose of strengthening the soil strength, such as highway base construction, port construction, building construction, reservoir construction.

이하 실시예를 통하여 본 발명을 상세하게 설명하면, 실시예 1 또는 2의 조성이 되도록 제1도에 나타난 바와 같이 점토 또는 마사토와 시멘트, 토양안정제가 첨가된 모르타르에 단백질을 기포제로 하여 형성된 공기 기포를 모르타르에 주입하는 방식으로 경량 콘크리트 제품을 만든다.Hereinafter, the present invention will be described in detail with reference to Examples 1 or 2, as shown in FIG. 1 so that the composition of clay or masato and cement, soil stabilizer is added to the air bubbles formed by using a protein as a foam agent mortar Lightweight concrete products are made by pouring them into mortar.

[실시예 1]Example 1

[점토 경량 콘크리트][Clay light concrete]

점토 약 18 v.%Clay about 18 v.%

모래 약 8 v.%Sand about 8 v.%

시멘트 약 35 v.%Cement about 35 v.%

석고 약 10 v.%Plaster about 10 v.%

토양안정제 약 3 v.%Soil Stabilizer Approx. 3 v.%

기포제 약 0.15 v.%0.15 v.%

감수제 약 0.05 v.%Reducing agent about 0.05 v.%

물 약 26 v.%Water about 26 v.%

[실시예 2]Example 2

[마사토 경량 콘크리트]Masato lightweight concrete

마사토 약 50 v.%Masato about 50 v.%

시멘트 약 25 v.%Cement about 25 v.%

안정제 약 2.5 v.%Stabilizer about 2.5 v.%

기포제 약 0.3 v.%Foaming agent about 0.3 v.%

감수제 약 0.05 v.%Reducing agent about 0.05 v.%

기타 약 1 v.%Other about 1 v.%

물 약 20 v.%Water about 20 v.%

[표 1. 점토 콘크리트의 조성에 따른 물성 시험 결과][Table 1. Property test results according to the composition of clay concrete]

* 비중과 압축강도는 시방요구에 따라 증감할 수 있음.* Specific gravity and compressive strength can be increased or decreased according to specifications.

* 표 1에서 A는 고상 안정제이고, 또는 액상 안정제임.* A in Table 1 is a solid stabilizer or a liquid stabilizer.

본 발명품인 경량 콘크리트에서는 점토의 종류와 점토의 양, 또는 마사토의 종류와 그 양에 따라 토양안정제 및 기포제의 양이 조절될 뿐만 아니라, 경량 콘크리트의 사용 목적에 따른 물성에 따라 적량의 기포제 및 감수제, 석고, 생석회 등 일반 시멘트첨가제를 첨가할 수 있다.In the lightweight concrete of the present invention, not only the amount of soil stabilizer and foaming agent is adjusted according to the type of clay and the amount of clay, or the type and amount of masato, and an appropriate amount of foaming agent and water reducing agent according to the properties according to the purpose of using the lightweight concrete. General cement additives such as, gypsum and quicklime can be added.

이렇게 하여 제조된 경량 콘크리트는 지금까지 콘크리트 세골재로 사용되지 아니하였던 마사토 또는 점토 등을 사용할 수 있는 잇점과 경량 콘크리트의 장점을 그대로 가지면서도 오히려 용도는 더욱 넓어지고, 탄성, 결로 등의 물성을 향상시킬 수 있음은 물론, 조각, 성형, 색채부여 등 예술성을 쉽게 부여할 수 있는 경량 콘크리트 제품을 만들 수 있게 된다.The lightweight concrete manufactured in this way has the advantages of using masato or clay, which has not been used as a concrete aggregate, and the advantages of lightweight concrete, but has a wider range of uses and improves physical properties such as elasticity and condensation. In addition, it will be possible to create a lightweight concrete product that can be easily given the artistry, such as sculpture, molding, coloring.

Claims (5)

골재, 시멘트, 발포제 또는 기포제를 주자재로한 경량콘크리트에 있어서, 점토 또는 마사토를 주골재로 하고 적량의 시멘트와 물을 가하여 혼합한 후 토양안정제를 가하여 모르타르를 조성하고, 이에 단백질 기포제로 형성된 공기 기포를 주입하여서 된 기포함유 모르타르를 양생 또는 성형양생하여 된 경량 콘크리트.In lightweight concrete composed mainly of aggregate, cement, foaming agent or foaming agent, clay or masato is used as main aggregate, mixed with appropriate amount of cement and water, mixed with soil stabilizer to form mortar, and air bubbles formed from protein foaming agent Lightweight concrete made by curing or molding curing containing mortar. 제1항에 있어서, 점토는 15∼30v.%임을 특징으로 하는 경량 콘크리트.Lightweight concrete according to claim 1, characterized in that the clay is 15-30v.%. 제1항에 있어서, 마사토는 30∼60v.%임을 특징으로 하는 경량 콘크리트.Lightweight concrete according to claim 1, wherein Masato is 30 to 60v.%. 제1항에 있어서, 토양안정제는 1.5∼4.5v.%임을 특징으로 하는 경량 콘크리트.Lightweight concrete according to claim 1, wherein the soil stabilizer is 1.5 to 4.5 v.%. 제1항에 있어서, 단백질 기포제는 0.1∼0.5v.%임을 특징으로 하는 경량 콘크리트.The lightweight concrete of claim 1 wherein the protein foaming agent is between 0.1 and 0.5 v.%.
KR1019910008586A 1991-05-25 1991-05-25 Lightweight concrete KR940002028B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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KR100244170B1 (en) * 1997-12-12 2000-02-01 박효선 Lightweight concrete containing clay, lightweight fine aggregate and polymer and products using the same
RU2524698C1 (en) * 2013-05-30 2014-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тульский государственный университет" (ТулГУ) Binder
RU2597011C2 (en) * 2013-07-19 2016-09-10 Федеральное Государственное Бюджетное Учреждение Науки Институт Геологии Дагестанского Научного Центра Российской Академии Наук Road polymer-modified mixture
KR102030489B1 (en) * 2018-05-10 2019-10-10 한국해양과학기술원 Lightning System with Double Rotating Wings and Light Weight Mixing Soil

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KR100414309B1 (en) * 2001-04-06 2004-01-07 이승한 Method for manufacturing ceramic materials with a sound absorption by using a foaming agent
KR101050117B1 (en) * 2010-12-17 2011-07-19 (주) 삼전건설 Artificial Reef Production Method Using Animal Protein Foam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100244170B1 (en) * 1997-12-12 2000-02-01 박효선 Lightweight concrete containing clay, lightweight fine aggregate and polymer and products using the same
RU2524698C1 (en) * 2013-05-30 2014-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тульский государственный университет" (ТулГУ) Binder
RU2597011C2 (en) * 2013-07-19 2016-09-10 Федеральное Государственное Бюджетное Учреждение Науки Институт Геологии Дагестанского Научного Центра Российской Академии Наук Road polymer-modified mixture
KR102030489B1 (en) * 2018-05-10 2019-10-10 한국해양과학기술원 Lightning System with Double Rotating Wings and Light Weight Mixing Soil

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