KR20200100236A - Method for producing lightweight concrete bricks with reduced cement - Google Patents

Method for producing lightweight concrete bricks with reduced cement Download PDF

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KR20200100236A
KR20200100236A KR1020190017936A KR20190017936A KR20200100236A KR 20200100236 A KR20200100236 A KR 20200100236A KR 1020190017936 A KR1020190017936 A KR 1020190017936A KR 20190017936 A KR20190017936 A KR 20190017936A KR 20200100236 A KR20200100236 A KR 20200100236A
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cement
brick
weight
waste
lightweight concrete
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KR1020190017936A
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KR102241908B1 (en
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이웅균
이승완
김남임
김범수
최선규
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가톨릭관동대학교산학협력단
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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
    • 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
    • C04B18/16—Waste materials; Refuse from building or ceramic industry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • 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
    • C04B18/0445—Synthetic gypsum, e.g. phosphogypsum
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/346—Materials exhibiting reduced plastic shrinkage cracking
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight materials
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to a method for producing lightweight concrete brick with reduced cement weight, and more specifically, to lightweight concrete brick with reduced cement weight, which promotes improvement of structural strength of brick in addition to reduction of waste processing cost by providing lightweight brick with cement and stone powder content reduced by recycling waste gypsum and waste artificial marble, which are classified as construction waste. According to the present invention, provided is a method for producing lightweight concrete brick with reduced cement weight, capable of providing lightweight brick with cement and stone powder content reduced by recycling waste gypsum and waste artificial marble, which are classified as construction waste. In addition, provided is a method for producing lightweight concrete brick with reduced cement weight, capable of improving structural strength of brick in addition to reduction of waste processing cost by recycling construction waste. Also, provided is a method for producing lightweight concrete brick with reduced cement weight, capable of producing concrete brick of uniform quality while simultaneously saving resources by reducing an amount of used aggregate.

Description

시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법{METHOD FOR PRODUCING LIGHTWEIGHT CONCRETE BRICKS WITH REDUCED CEMENT}Lightweight concrete brick with reduced cement specific gravity and its manufacturing method {METHOD FOR PRODUCING LIGHTWEIGHT CONCRETE BRICKS WITH REDUCED CEMENT}

본 발명은 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법에 관한 것으로서, 더욱 상세하게는 건축폐기물로 분류되는 폐 석고와 폐 인조대리석을 재활용하여 시멘트 및 석분 함량이 감소된 경량벽돌을 제공하여 폐기물 처리비용 절감과 더불어 벽돌의 구조적 강도 향상을 도모하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법에 관한 것이다.The present invention relates to a lightweight concrete brick with a reduced cement specific gravity and a method for manufacturing the same, and more particularly, to provide a lightweight brick with a reduced cement and stone powder content by recycling waste gypsum and waste artificial marble classified as building waste. The present invention relates to a lightweight concrete brick with a reduced weight of cement for improving the structural strength of the brick as well as reducing treatment costs and a method for manufacturing the same.

최근 오래된 건축물 축조와 더불어 건축폐기물 재활용에 대한 관심이 높아지고 있으나, 재건축 등에 의해 발생되는 석고, 콘크리트, 대리석 등의 건축폐기물 처리에 대한 재활용 대책이 마땅히 없는 실정이다. In recent years, interest in recycling construction waste has been increasing along with the construction of old buildings, but there are no proper measures for recycling construction waste such as gypsum, concrete, marble, etc. generated by reconstruction.

즉, 건축분야를 포함하는 건축폐기물은 2005년 이후로 매우 급속하게 증가하고 있고, 전체 폐기물 발생량 중 건축폐기물이 차지하는 비중도 1996년 15.7%에서 2016년 46.5%로 급증 상태이다. In other words, construction waste, including the construction sector, has been increasing very rapidly since 2005, and the proportion of construction waste out of the total waste generation has increased sharply from 15.7% in 1996 to 46.5% in 2016.

그 중 폐 인조대리석 연간 발생량은 3만 톤, 폐 석고 연간 발생량은 200만 톤에 달하므로 이에 따른 폐 인조대리석 및 폐 석고를 재활용한 건축분야 기술개발이 시급한 실정이다.Among them, the annual generation of waste artificial marble is 30,000 tons, and the annual generation of waste gypsum reaches 2 million tons. Accordingly, there is an urgent need to develop technology in the construction field by recycling waste artificial marble and waste gypsum.

이에 한국공개특허공보 제 2002-92332호에서, 황토 25~40%, 운모 10~25% 및 고화제 15~ 25%를 포함하는 황토벽돌에 대한 것으로 상기 고화제로 3종 조강포틀랜드 시멘트 50~60%, 고로슬래그 30~50%, 자연석고 5~15%를 사용하여 강도와 내구성을 향상시킨 황토벽돌에 대하여 기재하고 있다. Accordingly, in Korean Patent Application Publication No. 2002-92332, it is for loess bricks containing 25 to 40% of loess, 10 to 25% of mica, and 15 to 25% of a solidifying agent, and three kinds of crude Portland cement 50 to 60 as the solidifying agent. %, blast furnace slag 30-50%, and natural gypsum 5-15% are used to improve strength and durability.

그러나 상기 발명은 황토의 함량이 50% 미만이고 고화제로 쓰이는 시멘트나 고로슬래그의 함량이 높아, 콘크리트 벽돌을 생성하기위한 단가가 증가한다. 고화제로 사용되는 3종 조강시멘트는 초기 경화속도가 빨라서 초기강도 발현이 우수하나, 건조 수축률이 높아 균열로 인한 품질 저하가 심각하고, 시멘트가 주성분으로 제작되어 무게가 증가되어 공사현장에서 많은 양을 동시에 운반하거나 건축하는데 실용성이 떨어진다는 문제점이 있었다.However, in the above invention, the content of loess is less than 50% and the content of cement or blast furnace slag used as a solidifying agent is high, so that the unit cost for producing concrete bricks is increased. Class 3 coarse steel cement used as a solidifying agent has excellent initial strength due to its high initial hardening rate, but its quality is severely deteriorated due to cracks due to high drying shrinkage, and the weight is increased due to the increase in weight at the construction site. There was a problem that practicality was inferior in transporting or constructing at the same time.

따라서 이러한 문제점을 해결할 수 있는 새로운 방법이 필요하게 되었다.Therefore, there is a need for a new method to solve this problem.

한국공개특허공보 제 2002-92332호Korean Patent Publication No. 2002-92332

본 발명은 상기와 같은 종래기술의 문제점을 해결하기 위해 창안된 것으로, 더욱 상세하게는 건축폐기물로 분류되는 폐 석고와 폐 인조대리석을 재활용하여 시멘트 및 석분 함량이 감소된 경량벽돌을 제공할 수 있는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공하는 것을 목적으로 한다.The present invention was invented to solve the problems of the prior art as described above, and in more detail, by recycling waste gypsum and waste artificial marble classified as building waste, it is possible to provide a lightweight brick with reduced cement and stone powder content. It is an object of the present invention to provide a lightweight concrete brick with reduced cement specific gravity and a manufacturing method thereof.

또한, 건축폐기물을 재활용함으로써 폐기물 처리비용 절감과 더불어 벽돌 구조적 강도를 향상할 수 있는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공하는 것을 목적으로 한다.In addition, it is an object of the present invention to provide a lightweight concrete brick with a reduced cement weight that can improve the structural strength of bricks and reduce waste disposal costs by recycling construction waste, and a method for manufacturing the same.

또한, 골재의 사용량을 줄여 자원을 절약함과 동시에 균일한 품질의 콘크리트벽돌을 제작할 수 있도록 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공하는 것을 목적으로 한다.In addition, it is an object of the present invention to provide a lightweight concrete brick with a reduced weight of cement and a method for manufacturing the same, which reduces the use of aggregates to save resources and to produce a concrete brick of uniform quality.

본 발명의 바람직한 일실시예에 따르면, 아크릴이 함유된 폐 인조대리석 분말을 포함하는 혼합물을 배합하는 제 1공정; 상기 제 1공정에서 형성된 혼합물을 성형 틀에 압착 성형하는 제 2공정; 및 상기 제 2공정에서 성형된 벽돌본체를 건조하는 제 3공정;을 포함하여 이루어지는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the first step of blending a mixture containing the waste artificial marble powder containing acrylic; A second step of compressing the mixture formed in the first step into a molding mold; And a third step of drying the brick body molded in the second step.

본 발명의 바람직한 일실시예에 따르면, 상기 제 1공정은 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합하고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 8 내지 10중량부 치환되는 아크릴이 함유된 폐 인조대리석 분말이 포함되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the first step is waste gypsum powder which is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and is substituted with 8 to 10 parts by weight based on 100 parts by weight of cement, It is characterized in that the waste artificial marble powder containing acrylic that is substituted by 8 to 10 parts by weight per 100 parts by weight of stone powder is included.

본 발명의 바람직한 일실시예에 따르면, 상기 폐 인조대리석 분말은 아크릴이 80%이상 함유된 것을 분쇄하여 혼합되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the waste artificial marble powder is pulverized and mixed with acrylic content of 80% or more.

본 발명의 바람직한 일실시예에 따르면, 상기 폐 인조대리석 분말은 석분에 포함되는 잔골재와 유사한 입도로 가공되어 투입되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the waste artificial marble powder is processed into a particle size similar to that of the fine aggregate contained in the stone powder.

본 발명의 바람직한 일실시예에 따르면, 상기 폐 석고분말은 석고분말에 포함된 Ca에 의해 시멘트의 급결이 방지되어 시멘트의 응결이 조절되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the waste gypsum powder is characterized in that the rapid setting of the cement is prevented by Ca contained in the gypsum powder so that the setting of the cement is controlled.

본 발명의 바람직한 일실시예에 따르면, 상기 폐 석고분말에 포함된 Ca과 시멘트가 반응하여 생성된 화합물 결정의 성장압에 의해 시멘트의 건조수축의 저감 및 내화학성이 향상되어지는 것을 특징으로 한다.According to a preferred embodiment of the present invention, it is characterized in that the chemical resistance and reduction of drying shrinkage of the cement are improved by the growth pressure of the compound crystals generated by the reaction between the cement and Ca contained in the waste gypsum powder.

본 발명의 바람직한 일실시예에 따르면, 상기 제 3공정에서, 벽돌본체는 건조실에 투입되어 히팅 열에 의해 폐 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물과 융착 결합되어지는 것을 특징으로 한다.According to a preferred embodiment of the present invention, in the third step, the brick body is put into a drying room, and the acrylic contained in the waste artificial marble powder is melted by heating heat and fusion bonded with the mixture.

본 발명의 바람직한 일실시예에 따르면, 상기 건조실은 아크릴의 용융점을 고려한 200℃이상으로 히팅되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the drying chamber is characterized in that it is heated to 200 ℃ or more in consideration of the melting point of the acrylic.

본 발명의 바람직한 일실시예에 따르면, 상기 건조실에서 건조된 벽돌본체는 폐 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물 입자 간에 재료분리 저항성이 증대되어지는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the brick body dried in the drying chamber is characterized in that the material separation resistance between the mixture particles is increased as the acrylic contained in the waste artificial marble powder is melted.

본 발명의 바람직한 일실시예에 따르면, 상기 제 2공정에서 벽돌본체는 상부 외층과, 하부 외층 사이에 강도보강층이 형성되는 과정이 더 포함되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, in the second process, the brick body further includes a process of forming a strength reinforcing layer between an upper outer layer and a lower outer layer.

본 발명의 바람직한 일실시예에 따르면, 상기 강도보강층은 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합하고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말(30), 석분 100중량부에 대해 8 내지 10중량부 치환되는 아크릴이 함유된 폐 인조대리석 분말이 포함되어 판형 골조 기능이 수행되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the strength reinforcing layer is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and is replaced with 8 to 10 parts by weight based on 100 parts by weight of cement. ), it is characterized in that the plate-shaped frame function is performed by including waste artificial marble powder containing acrylic that is substituted by 8 to 10 parts by weight based on 100 parts by weight of stone powder.

본 발명의 바람직한 일실시예에 따르면, 상기 성형 틀의 내부에는 상기 벽돌본체에 관통홀이 형성되어지도록 돌출된 형태의 성형 핀(18a)이 더 포함되어, 벽돌본체가 성형될 때 관통홀이 형성되어지는 것을 특징으로 한다.According to a preferred embodiment of the present invention, a forming pin 18a in a protruding shape so as to form a through hole in the brick body is further included in the inside of the forming frame, and a through hole is formed when the brick body is formed It is characterized by being.

본 발명의 바람직한 일실시예에 따르면, 상기 성형 핀에 의해 종방향으로 적어도 2개의 관통홀이 형성되도록 벽돌본체를 성형하는 과정이 더 포함되는 것을 특징으로 한다.According to a preferred embodiment of the present invention, the process of molding the brick body so that at least two through holes are formed in the longitudinal direction by the molding pin is further included.

한편 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 함으로써 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성요소를 지칭한다.Meanwhile, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, and only the present embodiments provide a general knowledge in the technical field to which the present invention pertains by making the disclosure of the present invention complete. It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same elements throughout the specification.

본 발명은 건축폐기물로 분류되는 폐 석고와 폐 인조대리석을 재활용하여 시멘트 및 석분 함량이 감소된 경량벽돌을 제공할 수 있는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공할 수 있다.The present invention can provide a lightweight concrete brick with reduced cement specific gravity and a method for manufacturing the same, which can provide a lightweight brick with a reduced cement and stone powder content by recycling waste gypsum and waste artificial marble classified as building waste.

또한, 건축폐기물을 재활용함으로써 폐기물 처리비용 절감과 더불어 벽돌 구조적 강도를 향상할 수 있는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공할 수 있다.In addition, by recycling construction waste, it is possible to provide a lightweight concrete brick with a reduced weight of cement capable of improving the structural strength of bricks as well as reducing waste treatment costs and a method of manufacturing the same.

또한, 골재의 사용량을 줄여 자원을 절약함과 동시에 균일한 품질의 콘크리트벽돌을 제작할 수 있도록 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 및 그 제조방법을 제공할 수 있다.In addition, it is possible to provide a lightweight concrete brick with a reduced cement weight and a method of manufacturing the same, which reduces the amount of aggregate and saves resources, and at the same time enables the production of a concrete brick of uniform quality.

도 1은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법을 개략적으로 나타내는 도면.
도 2는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법으로 제조된 벽돌본체를 나타내는 도면.
도 3은 본 발명의 다른 실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법으로 제조된 벽돌본체를 나타내는 도면.
도 4는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험용 공시체를 만드는 과정을 나타내는 도면.
도 5는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험중인 공시체를 나타내는 도면.
도 6은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험 결과 값을 나타내는 도면.
도 7은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 배합공정의 순서도를 나타내는 도면.
도 8은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 성형공정의 순서도를 나타내는 도면.1 is a view schematically showing a method of manufacturing a lightweight concrete brick with reduced cement specific gravity according to an embodiment of the present invention.
Figure 2 is a view showing a brick body manufactured by the method of manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention.
3 is a view showing a brick body manufactured by a method of manufacturing a lightweight concrete brick with a reduced cement specific gravity according to another embodiment of the present invention.
4 is a view showing a process of making a specimen for a compressive load test of a method for manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention.
5 is a view showing a specimen under a compressive load test of a method for manufacturing a lightweight concrete brick having a reduced cement specific gravity according to an embodiment of the present invention.
6 is a view showing the result of a compressive load test of a method for manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention.
7 is a view showing a flow chart of the blending process of the method for manufacturing a lightweight concrete brick with reduced cement specific gravity according to an embodiment of the present invention.
8 is a view showing a flow chart of a forming process of a method for manufacturing a lightweight concrete brick with reduced cement specific gravity according to an embodiment of the present invention.

이하에서는 첨부된 도면을 참조하여 본 발명의 실시예들을 상세히 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법을 개략적으로 나타내는 도면이고, 도 2는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법으로 제조된 벽돌본체를 나타내는 도면이며, 도 3은 본 발명의 다른 실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법으로 제조된 벽돌본체를 나타내는 도면이고, 도 4는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험용 공시체를 만드는 과정을 나타내는 도면이며, 도 5는 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험중인 공시체를 나타내는 도면이고, 도 6은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 압축하중 시험 결과 값을 나타내는 도면이며, 도 7은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 배합공정의 순서도를 나타내는 도면이고, 도 8은 본 발명의 일실시예에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법의 성형공정의 순서도를 나타내는 도면이다.1 is a view schematically showing a method of manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention, Figure 2 is a method for manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention It is a view showing the manufactured brick body, Figure 3 is a view showing the brick body manufactured by the method of manufacturing a lightweight concrete brick with a reduced cement specific gravity according to another embodiment of the present invention, Figure 4 is an embodiment of the present invention It is a view showing the process of making a test specimen for the compression load test of the method for manufacturing a lightweight concrete brick with a reduced cement specific gravity according to the present invention. It is a diagram showing a specimen, and FIG. 6 is a view showing a result of a compressive load test of a method for manufacturing a lightweight concrete brick with a reduced cement specific gravity according to an embodiment of the present invention, and FIG. 7 is a cement according to an embodiment of the present invention. It is a view showing a flow chart of the mixing process of the method for manufacturing a lightweight concrete brick with a reduced specific gravity, and Figure 8 is a view showing a flow chart of the forming process of the method for manufacturing a lightweight concrete brick with a reduced specific gravity of cement according to an embodiment of the present invention.

본 발명은 시멘트 함량을 줄인 경량벽돌 제조방법 및 경량벽돌을 이용한 조적 시스템에 관련되며, 이때 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조장치는 건축폐기물로 분류되는 폐 석고와 폐 인조대리석을 재활용하여 시멘트 및 석분 함량이 감소된 경량벽돌을 제공하므로, 폐기물 처리비용 절감과 더불어 벽돌 구조적 강도 향상을 도모하고, 특히 벽돌 경량화로 인한 조적 현장에서의 노동력 절감 및 건물 외벽과 같은 구조물에 고정되도록 조적 시, 구조물 측으로 가해지는 하중이 감소되도록 하기 위해 혼합물을 배합하는 제 1공정(S1), 벽돌본체(10)를 성형하는 제 2공정(S2), 벽돌본체(10)를 건조하는 제 3공정(S3)을 포함하여 주요구성으로 이루어진다.The present invention relates to a method for manufacturing a lightweight brick with reduced cement content and a masonry system using a lightweight brick, wherein the apparatus for manufacturing a lightweight concrete brick with a reduced cement weight recycles waste gypsum and artificial marble classified as building waste, As lightweight bricks with reduced stone powder content are provided, the structural strength of bricks is improved as well as reduction of waste disposal costs.In particular, labor savings at the masonry site due to the light weight of bricks and when masonry is fixed to a structure such as the exterior wall of a building, Including the first step (S1) of blending the mixture to reduce the applied load, the second step (S2) of forming the brick body 10, and the third step (S3) of drying the brick body 10 It consists of major components.

본 발명에 따른 혼합물을 배합하는 제 1공정(S1)은 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합하고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 8 내지 10중량부 치환되는 아크릴이 함유된 폐 인조대리석 분말을 포함하는 혼합물을 배합하는 공정이다.The first step (S1) of blending the mixture according to the present invention is waste gypsum powder which is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and is substituted with 8 to 10 parts by weight based on 100 parts by weight of cement, This is a process of blending a mixture containing waste artificial marble powder containing 8 to 10 parts by weight of acrylic substituted with respect to 100 parts by weight of stone powder.

기존 벽돌 배합표 및 폐 석고, 폐 대리석 대체 배합표 (단위: g)
Existing brick mix table and waste gypsum, waste marble replacement table
구분
division
시멘트
cement
석분(모래)
Stone powder (sand)
석고
gypsum
대리석
marble
일반
Normal
0%
0%
2,330g
2,330g
27,500g
27,500g
0g
0g
0g
0g
실시예 1
Example 1
8%
8%
2,144g
2,144g
25,300g
25,300g
186g
186g
2,200g
2,200g
실시예 2
Example 2
9%
9%
2,120g
2,120g
25,025g
25,025g
210g
210g
2,475g
2,475g
실시예 3
Example 3
10%
10%
2,097g
2,097g
24,750g
24,750g
233g
233g
2,750g
2,750g

상기 [표 1]에서 일반 항목은 폐 석고분말 및 폐 인조대리석 분말이 함유되지 않은 일반 벽돌 제조에 사용되는 시멘트와 석분 혼합비율을 나타내고, 실시예 1 내지 3은 폐 석고분말 및 폐 인조대리석 분말이 각각 8 내지 10중량부 혼합되어 치환되는 경우 시멘트와 석분 혼합비율을 나타낸다.In the above [Table 1], the general items indicate the mixing ratio of cement and stone powder used in the manufacture of general bricks that do not contain waste gypsum powder and waste artificial marble powder, and Examples 1 to 3 are the waste gypsum powder and the waste artificial marble powder. Each of 8 to 10 parts by weight is mixed and substituted, indicating the mixing ratio of cement and stone powder.

종류
Kinds
화학성분(%)
Chemical composition (%)
비중
importance
SiO2
SiO2
Al2O3
Al2O3
Fe2O3
Fe2O3
CaO
CaO
MgO
MgO
So3
So3
OPC
OPC
27.64
27.64
4.53
4.53
4.48
4.48
56.46
56.46
1.82
1.82
2.2
2.2
3.15
3.15
NGB
NGB
2.66
2.66
2.32
2.32
2.32
2.32
67.72
67.72
0.62
0.62
45.8
45.8
1.3
1.3
BG
BG
3.73
3.73
3.17
3.17
3.96
3.96
61.57
61.57
1.22
1.22
40.7
40.7
1.3
1.3

상기 [표 2]는 폐 석고의 성분구성을 나타낸 표로, 여기서 폐 석고분말은 시멘트에 포함된 Ca의 급결을 방지하여 용결을 조절하고, Ca와 반응하여 생성된 화합물 결정의 성장 압으로 인한 건조수축의 저감 및 내화학성을 향상시키는 작용을 하여, 강한 알칼리성을 띄는 시멘트가 산성비에 의해 중성화되어 내구도가 약해지는 문제점을 해결할 수 있게 된다.[Table 2] is a table showing the composition of waste gypsum, where the waste gypsum powder prevents the rapid setting of Ca contained in the cement to control the fusion, and the drying shrinkage due to the growth pressure of the compound crystals produced by reacting with Ca By reducing and improving chemical resistance, it is possible to solve the problem of weakening durability due to neutralization of cement having strong alkalinity by acid rain.

비율
ratio
성분
ingredient
34%
34%
메틸 메타아크릴레이트(Methyl methacrylate, MMA)
Methyl methacrylate (MMA)
폴리메틸 메타아크릴레이트(Poly methyl methacrylate, PMMA)
Poly methyl methacrylate (PMMA)
60%
60%
수산화알루미늄(Aluminium Hydroxide)
Aluminum Hydroxide
필러(Filler)
Filler
6%
6%
Chip+첨가제1%미만(경화제, 가교제)
Chip + less than 1% additive (hardener, crosslinking agent)

한편 상기 [표 3]은 인조대리석의 성분구성을 나타낸 표를 나타낸다. 앞서 아크릴이 80%이상 함유된 인조대리석을 분쇄하여 획득하는 폐 인조대리석 분말을 사용하는 것이 바람직하다는 것은, 인조대리석에 포함된 성분 중 폴리메틸 메타아크릴레이트(Poly methyl methacrylate, PMMA)와 메틸 메타아크릴레이트(Methyl methacrylate, MMA)와 수산화알루미늄(Aluminium Hydroxide)의 함유량이 80%를 넘는 것을 말한다.Meanwhile, [Table 3] shows a table showing the composition of artificial marble. It is preferable to use waste artificial marble powder obtained by pulverizing artificial marble containing more than 80% of acrylic, among the components included in artificial marble, polymethyl methacrylate (PMMA) and methyl methacrylate. It means that the content of methyl methacrylate (MMA) and aluminum hydroxide exceeds 80%.

이때 폐 인조대리석 분말은 석분에 포함되는 잔골재와 유사한 입도로 가공되어 투입되며, 아크릴에 의해 점성을 증가 시켜 혼합물 간에 재료분리 저항성을 증대시키므로 벽돌본체(10)의 강도가 기존 벽돌과 동일 내지 우수하게 유지되면서 석분 함량 감소로 경량화를 도모하게 된다.At this time, the waste artificial marble powder is processed into a particle size similar to that of the fine aggregate contained in the stone powder, and the viscosity is increased by acrylic to increase the material separation resistance between the mixtures, so that the strength of the brick body 10 is equal to or superior to the existing bricks. As it is maintained, weight reduction is achieved by reducing the amount of stone powder.

한편, 상기 폐 석고분말의 점성저하 성분으로 인해 야기되는 혼합물 간에 재료분리 현상은 폐 인조대리석 분말에 80%이상 함유되어있는 아크릴 성분으로 보완되므로, 폐 석고분말 투입량이 시멘트 100중량부에 대해 8 내지 10중량부로 증가되어 시멘트 함량 감소로 벽돌본체(10) 중량이 감소되게 된다.On the other hand, the material separation phenomenon between the mixtures caused by the viscosity-lowering component of the waste gypsum powder is supplemented by the acrylic component contained in 80% or more of the waste artificial marble powder, so that the amount of waste gypsum powder input is 8 to 100 parts by weight of cement. It is increased to 10 parts by weight, and the weight of the brick body 10 is reduced due to a decrease in the cement content.

이처럼 콘크리트 벽돌을 제조할 때 시멘트와 석분(모래, 잔골재) 일부가 폐 석고 분말 및 폐 인조대리석 분말로 치환되므로, 벽돌본체(10)의 무게가 감소되고, 혼화제를 첨가하지 않고도 우수한 강도를 가지는 콘크리트 벽돌을 제작할 수 있게 된다.In this way, when a concrete brick is manufactured, some of the cement and stone powder (sand, fine aggregate) are replaced with waste gypsum powder and waste artificial marble powder, so that the weight of the brick body 10 is reduced and concrete having excellent strength without adding admixtures. You can make bricks.

본 발명에 따른 벽돌본체(10)를 성형하는 제 2공정(S2)는, 상기 제 1공정에서 형성된 혼합물을 성형 틀에 압착 성형하여, 종방향으로 적어도 2개의 관통홀(20)이 형성되는 벽돌본체(10)로 성형되어진다.The second step (S2) of forming the brick body 10 according to the present invention is a brick in which at least two through holes 20 are formed in the longitudinal direction by pressing the mixture formed in the first step into a molding mold. It is molded into the body 10.

상기 제 2공정은 시멘트와 건축폐기물 및 골재를 혼합한 혼합물을 성형 틀에 투입하여 가압하는 방식으로 압착 성형되어 벽돌본체(10)가 형성되어지며, 이때 벽돌본체(10) 복수개의 관통홀(20)을 형성하기 위한 성형 핀이 성형 틀 내부에 돌출되도록 형성되어 있어, 상기 벽돌본체(10)가 벽돌의 모양으로 성형됨과 동시에 관통홀(20)이 형성되어진다.In the second step, the brick body 10 is formed by pressing a mixture of cement, building waste, and aggregate into a molding mold and pressing the mixture to form a brick body 10, wherein the brick body 10 has a plurality of through holes 20 A forming pin for forming) is formed to protrude inside the forming frame, so that the brick body 10 is formed in the shape of a brick and a through hole 20 is formed at the same time.

또한, 상기 관통홀(20)은 조적장치의 연결구에 끼움 결합되어 조적 구조물을 이루는 경량벽돌 간의 결합력을 보강하기 위해, 조적장치의 연결구와 동일한 형상으로 형성된다. 일반적으로 형성되는 관통홀은 원의 형상이나, 그 모양은 반드시 원의 형상이어야 하는 것은 아니고 그 모양이 사각형, 삼각형, 오각형일 수 있 수 있다.In addition, the through hole 20 is fitted to the connector of the masonry device to reinforce the bonding force between the lightweight bricks forming the masonry structure, and is formed in the same shape as the connector of the masonry device. In general, the through hole formed is in the shape of a circle, but the shape does not necessarily have to be a circle shape, and the shape may be a square, a triangle, or a pentagon.

도 2(a)는 본 발명에 따른 실시예로서, 상기 제 2공정에서, 벽돌본체(10)가 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합되고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 20 내지 30중량부 치환되는 아크릴이 80중량%이상 함유된 폐 인조대리석 분말을 포함하는 혼합물로 형성되어 하나의 층으로 형성된다.Figure 2 (a) is an embodiment according to the present invention, in the second step, the brick body 10 is mixed in a ratio of 8 to 12 parts by weight of cement, 80 to 120 parts by weight of stone powder, and 100 parts by weight of cement. 8 to 10 parts by weight of waste gypsum powder substituted, 20 to 30 parts by weight per 100 parts by weight of stone powder is formed of a mixture containing waste artificial marble powder containing 80% by weight or more of substituted acrylic to form a single layer.

도 2(b)는 본 발명에 따른 다른 실시예로서, 상기 제 2공정에서, 벽돌본체(10)는 상, 하부 외층(12)(14)과, 상, 하부 외층(12)(14) 사이에 강도보강층(16)이 더 형성되는 모습이다.Figure 2 (b) is another embodiment according to the present invention, in the second process, the brick body 10 is between the upper and lower outer layers 12 and 14 and the upper and lower outer layers 12 and 14 This is a form in which the strength reinforcing layer 16 is further formed.

도 3(a)는 본 발명에 따른 또 다른 실시예로서, 성형 틀(18)에 압착 성형된 벽돌본체(10)에 관통홀(20)이 형성되지 아니한 형태를 가지며, 상기 제 2공정에서, 벽돌본체(10)가 하나의 층으로만 형성될 수 있다. 여기서 형성되는 하나의 층은 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합되고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 20 내지 30중량부 치환되는 아크릴이 80중량%이상 함유된 폐 인조대리석 분말을 포함하는 혼합물로 형성된다.Figure 3 (a) is another embodiment according to the present invention, has a form in which the through-hole 20 is not formed in the brick body 10 compression-molded in the molding frame 18, in the second step, The brick body 10 may be formed with only one layer. One layer formed here is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and from 20 to 20 parts by weight of 100 parts by weight of cement and 8 to 10 parts by weight of cement is substituted. It is formed of a mixture containing waste artificial marble powder containing at least 80% by weight of acrylic substituted by 30 parts by weight.

또한, 도 3(b)는 본 발명에 따른 다른 실시예로서, 성형 틀(18)에 압착 성형된 벽돌본체(10)에 관통홀(20)이 형성되지 아니한 형태를 가질 수 있다. 본 발명은 벽돌본체에 형성된 관통홀의 유무 및 상, 하부외층(12)(14)로 분리된 형태의 유무 중 그 어느 하나에 한정짓지 아니한다.In addition, FIG. 3 (b) is another embodiment according to the present invention, and may have a form in which the through-hole 20 is not formed in the brick body 10 which is press-molded on the molding frame 18. The present invention is not limited to any one of the presence or absence of a through hole formed in the brick body and the presence or absence of a form separated by the upper and lower outer layers 12 and 14.

여기서, 상, 하부 외층(12)(14)은 인조대리석 분말과 폐 석고분말이 사용되지 않은 일반 벽돌 층을 말하며, 상기 강도보강층(16)은, 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합되고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 20 내지 30중량부 치환되는 아크릴이 80중량%이상 함유된 폐 인조대리석 분말을 포함하는 혼합물로 형성되어진다.Here, the upper and lower outer layers 12 and 14 refer to a general brick layer in which artificial marble powder and waste gypsum powder are not used, and the strength reinforcing layer 16 is 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder. Includes waste gypsum powder mixed in a part ratio and substituted with 8 to 10 parts by weight based on 100 parts by weight of cement, waste artificial marble powder containing more than 80% by weight of acrylic substituted with 20 to 30 parts by weight based on 100 parts by weight of stone powder It is formed as a mixture.

즉, 인조대리석 분말과 폐 석고분말이 사용되지 않은 일반 벽돌 사이에 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합되고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 20 내지 30중량부 치환되는 아크릴이 80중량%이상 함유된 폐 인조대리석 분말을 포함하는 강도보강층이 형성되는 것이다.That is, waste gypsum that is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder between the artificial marble powder and the general brick where the waste gypsum powder is not used, and is substituted with 8 to 10 parts by weight based on 100 parts by weight of cement. Powder, a strength reinforcing layer comprising waste artificial marble powder containing 80% by weight or more of acrylic substituted by 20 to 30 parts by weight based on 100 parts by weight of stone powder is formed.

한편, 본 발명에 따른 또 다른 실시예로써, 상기 상, 하부외층(12)(14)는 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합되고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말, 석분 100중량부에 대해 20 내지 30중량부 치환되는 아크릴이 80중량%이상 함유된 폐 인조대리석 분말을 포함하여 제작되고, 상기 강도보강층(16)이 폐 석고분말과 인조대리석 분말이 포함되지 않은 일반 벽돌층으로 제작될 수도 있다.Meanwhile, as another embodiment according to the present invention, the upper and lower outer layers 12 and 14 are mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and 8 to 12 parts by weight of cement. 10 parts by weight of waste gypsum powder substituted, and 20 to 30 parts by weight of stone powder, based on 100 parts by weight of stone powder, is produced including waste artificial marble powder containing 80% by weight or more of substituted acrylic, and the strength reinforcing layer 16 is used as waste gypsum powder. It can also be made of a general brick layer that does not contain artificial marble powder.

본 발명에 따른 제 3공정(S3)은, 상기 제 2공정에서 성형된 벽돌본체(10)를 건조하는 공정이다. 벽돌본체(10)는 상온에서 자연 건조되거나, 히터가 설치된 건조실에 투입되어 히팅 열에 의해 폐 인조대리석 분말에 포함된 아크릴이 용융 되면서 혼합물과 융착 결합되도록 구비된다. The third step (S3) according to the present invention is a step of drying the brick body 10 formed in the second step. The brick body 10 is either naturally dried at room temperature or is put into a drying room in which a heater is installed, and the acrylic contained in the waste artificial marble powder is melted by heating heat and is provided to be fusion bonded with the mixture.

여기서, 상기 건조실은 아크릴 용융점을 고려하여 200℃이상으로 히팅 되는 것이 바람직하다. Here, it is preferable that the drying chamber is heated to 200° C. or higher in consideration of the acrylic melting point.

건조실에서 건조된 벽돌본체는 폐 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물 입자 간에 재료분리 저항성이 증대되게 된다.In the brick body dried in the drying room, as the acrylic contained in the waste artificial marble powder melts, the material separation resistance between the mixture particles increases.

한편, 건조실에 투입되어 히팅 열이 가해지는 벽돌본체(10)는 열에 의해 폐 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물과 융착 결합되어져, 종래의 벽돌보다 가벼우면서도 높은 강도를 가질 수 있게 된다.On the other hand, the brick body 10 to which the heating heat is applied by being put into the drying room is fusion bonded with the mixture while the acrylic contained in the waste artificial marble powder is melted by heat, so that it is lighter than conventional bricks and can have high strength.

즉, 건조실에 투입되어 히팅 열에 의해 건조 시, 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물 입자 간에 융착 결합력이 더욱 증대된 벽돌본체(10)가 형성된다.That is, when it is put into the drying room and dried by heating heat, the acrylic marble contained in the artificial marble powder is melted, thereby forming the brick body 10 with further increased fusion bonding force between the mixture particles.

본 발명의 다른 실시예로써, 상기 건조실에 투입되어 히팅 열에 건조된 벽돌 본체(10)는 인조대리석 분말에 포함된 아크릴이 용융되면서 혼합물 입자 간에 융착 결합력이 더욱 강화된 강도보강층(16)은 상, 하부 외층(12)(14) 사이에서 판형 골조 기능을 수행하여 종방향으로 작용하는 조적 하중 및 지진, 태풍과 같은 횡형 외력에 대한 벽돌본체(10) 내구성 향상을 도모한다.In another embodiment of the present invention, the brick body 10 that is put into the drying chamber and dried by heating heat is the strength reinforcing layer 16 in which the fusion bonding force between the mixture particles is further strengthened while the acrylic contained in the artificial marble powder is melted. By performing a plate-shaped frame function between the lower outer layers 12 and 14, the durability of the brick body 10 is improved against masonry loads acting in the longitudinal direction and lateral external forces such as earthquakes and typhoons.

도 4는 본 발명에 따른 시멘트 비중이 감소된 경량 콘크리트벽돌의 압축강도를 시험하기 위해 경량 콘크리트를 다음과 같이 제작하는 순서를 나타낸 도면으로 (a)경량 콘크리트벽돌의 재료를 준비하는 과정, (b)상기 재료들을 배합기에 삽입하는 과정, (c)상기 재료를 배합기에서 배합하는 과정, (d)상기 콘크리트 혼합물을 일정한 크기를 가지는 공시체를 제작하는 과정, (e)상기 제작한 공시체를 양생하는 과정, (f)상기 공시체를 자연건조 또는 건조기를 통해 건식 양생 시키는 과정을 포함한다.4 is a view showing a procedure for producing lightweight concrete as follows in order to test the compressive strength of a lightweight concrete brick with a reduced cement specific gravity according to the present invention. (a) A process of preparing a material for a lightweight concrete brick, (b ) The process of inserting the materials into the blender, (c) the process of blending the materials in the blender, (d) the process of producing a specimen having a certain size of the concrete mixture, (e) the process of curing the produced specimen , (f) It includes the process of natural drying or dry-curing the specimen through a dryer.

(b)에서 말하는 재료는 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합하고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말(30), 석분 100중량부에 대해 8 내지 10중량부 치환되는 아크릴이 함유된 폐 인조대리석 분말(50)이 포함된다.The material referred to in (b) is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and is replaced with 8 to 10 parts by weight based on 100 parts by weight of cement. A waste artificial marble powder 50 containing acrylic that is substituted by 8 to 10 parts by weight is included.

또한, 상기 과정에 의해 제작된 공시체는 KS F 2405, 콘크리트의 압축 강도 시험에 따라 시험을 진행한다. 여기서, KS F 2405, 콘크리트의 압축 강도 시험은 콘크리트 공시체의 압축 강도를 시험하는 방법에 대한 것으로, 압축 시험기와 상하에 부착된 가압판, 구면 시트로 구성된 시험장비에서 공시체의 압축 강도의 테스트가 진행된다.In addition, the specimen produced by the above process is tested according to KS F 2405, the compressive strength test of concrete. Here, KS F 2405, the compressive strength test of concrete, is about a method of testing the compressive strength of a concrete specimen, and a test of the compressive strength of the specimen is conducted in a test equipment consisting of a compression tester, a pressure plate attached to the top and bottom, and a spherical sheet. .

압축 시험기는 하면 가압판의 위에 올려진 공시체를 상면 가압판으로 공시체에 충격을 주지 않도록 같은 속도로 지속적인 하중을 가하게 된다. 여기서 압축 하중의 하중량은 매초 일정량 증가시켜가며 상기 공시체가 파괴될 때 까지 반복적으로 하중을 가하게 된다. 여기서 콘크리트 공시체가 파괴될 때의 수치가 최대 압축 하중을 나타내는 것이다.The compression tester applies a continuous load at the same speed so that the specimen placed on the lower platen is not impacted by the upper platen. Here, the load weight of the compressive load increases by a certain amount every second, and the load is repeatedly applied until the specimen is destroyed. Here, the number when the concrete specimen is destroyed represents the maximum compressive load.

도 5는 KS F 2405, 콘크리트의 압축 강도 시험에 의해 시험 중인 공시체를 시험 중, 반파 상태, 완파상태의 모습을 나타낸 도면이다. 도 5에서 구분 A는 실시예 1의 모습이고, 구분 B는 실시예 2의 모습이며, 구분 C는 실시예 3의 모습이고, 실시예 D는 일반 콘크리트의 모습이다.5 is a view showing the state of a half-wave state and a full-wave state during a test of a specimen under test by KS F 2405, a compressive strength test of concrete. In FIG. 5, division A is a shape of Example 1, division B is a shape of Example 2, division C is a shape of Example 3, and Example D is a shape of general concrete.

Figure pat00001

Figure pat00001

실시예 1
Example 1
실시예 2
Example 2
실시예 3
Example 3
일반 콘크리트
Plain concrete

한편, [표 4]는 상기 [표 1]의 배합비에 따라 제작한 콘크리트 공시체를 압축강도 시험기에 넣고 시험하였을 때의 결과 값을 나타내는 표이다. 상기 [표 4]의 가로축은 변위량을 나타내고 그래프의 세로축은 압축강도를 나타낸다.On the other hand, [Table 4] is a table showing the result values when the concrete specimen prepared according to the mixing ratio of [Table 1] was put into a compressive strength tester and tested. The horizontal axis of the [Table 4] represents the amount of displacement and the vertical axis of the graph represents the compressive strength.

상기 [표 4]에 따르면, 실시예 2의 압축하중은 11.3MPa로 측정되었으며, 일반 콘크리트 공시체는 9.51MPa로 측정되었다. According to the [Table 4], the compressive load of Example 2 was measured to be 11.3 MPa, and the general concrete specimen was measured to be 9.51 MPa.

Figure pat00002

Figure pat00002

Figure pat00003
Figure pat00003
Figure pat00004
Figure pat00004

 실시예 1
Example 1
실시예 2
Example 2
실시예 3
Example 3

상기 [표 5]는 KS F 2405, 콘크리트의 압축 강도 시험에 따라 시험한 결과 값으로 실시예 1 내지 3은 콘크리트 공시체가 양생되고 3일이 지난 시점에서 압축 강도를 시험하였을 때의 결과 값을 나타낸 표이다. 보다 상세하게는 석고와 대리석의 중량부가 9%인 실시예 2에서 가장 높은 압축 하중인 8.12MPa가 측정된 것으로 나타났으며, 석고와 대리석의 중량부가 10%인 실시예 3에서 가장 낮은 압축 하중인 5.81MPa으로 측정되었다.[Table 5] is the result of testing according to KS F 2405, the compressive strength test of concrete. Examples 1 to 3 show the result values when the compressive strength was tested 3 days after the concrete specimen was cured. It is a table. More specifically, it was found that the highest compressive load, 8.12 MPa, was measured in Example 2, in which the weight of gypsum and marble was 9%, and the lowest compressive load, in Example 3, where the weight of gypsum and marble was 10%. It measured 5.81 MPa.

Figure pat00005

Figure pat00005

Figure pat00006
Figure pat00006
Figure pat00007
Figure pat00007

 실시예 1
Example 1
실시예 2
Example 2
실시예 3
Example 3

한편, 상기 [표 6]은 KS F 2405, 콘크리트의 압축 강도 시험에 따라 시험한 결과 값으로 실시예 1 내지 3은 콘크리트 공시체가 양생되고 14일이 지난 시점에서 압축 강도를 시험하였을 때의 결과 값을 나타낸 표이다. 보다 상세하게는 석고와 대리석의 중량부가 9%인 실시예 2에서 가장 높은 압축 하중인 12.84MPa가 측정된 것으로 나타났으며, 석고와 대리석의 중량부가 10%인 실시예 3에서 가장 낮은 압축 하중인 7.88MPa가 측정되었다.On the other hand, the [Table 6] is a test result value according to the compressive strength test of KS F 2405, concrete. Examples 1 to 3 are the result values when the compressive strength was tested 14 days after the concrete specimen was cured. It is a table showing. In more detail, it was found that the highest compressive load of 12.84 MPa was measured in Example 2 where the weight of gypsum and marble was 9%, and the lowest compressive load was found in Example 3 where the weight of gypsum and marble was 10%. 7.88 MPa was measured.

도 6은 KS F 2405, 콘크리트의 압축 강도 시험에 따라 시험한 결과 값중 가장 우수한 성적을 나타내는 실시예 2(석고와 대리석의 중량부가 9%)의 양생 3일차, 14일차의 성적그래프를 나타낸 도면이다.6 is a view showing the graphs of the results on the 3rd and 14th days of curing of Example 2 (9% by weight of gypsum and marble) showing the best results among the results tested according to KS F 2405 and the compressive strength test of concrete. .

이로써, 본 발명에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법에 따른 콘크리트 벽돌은 일반 콘크리트 벽돌과 유사하거나 높은 압축하중을 가지는 것으로 보여지고 있다.Accordingly, it is shown that the concrete brick according to the method of manufacturing a lightweight concrete brick having a reduced cement specific gravity according to the present invention has a compressive load similar to or higher than that of a general concrete brick.

한편, 상기와 같은 방법으로 제작된 시멘트 비중이 감소된 경량 콘크리트 벽돌은 벽체시공이나 조적공사 등에서 유용하게 사용될 수 있다.On the other hand, the lightweight concrete brick with a reduced cement weight produced by the above method can be usefully used in wall construction or masonry construction.

조적공사는 벽돌을 석회나 시멘트에 모래를 섞고 물로 개어서 만든 모르타르로 점착하여 쌓는 공사를 말하는 것으로, 주택이나 창고, 빌라 등과 같은 건물의 벽체축조에 주로 쓰인다. Masonry work refers to the construction of bricks by adhering them with mortar made by mixing lime or cement with sand and crushing them with water, and is mainly used for building walls of buildings such as houses, warehouses, and villas.

여기서, 우수한 강도를 가지는 벽체를 만들기 위해서는 벽돌 자체의 강도와 모르타르의 강도뿐만 아니라 벽체의 두께, 벽량 등이 합리적으로 이루어져야 하며, 건축물의 외벽에 강력하게 고정이 되어야 한다.Here, in order to make a wall having excellent strength, not only the strength of the brick itself and the strength of the mortar, but also the thickness and amount of the wall must be made reasonably, and must be strongly fixed to the outer wall of the building.

이러한 점에서 볼 때, 일반적인 벽돌과 비슷한 강도를 가지며 가벼운 무게를 가지는 시멘트 비중이 감소된 경량 콘크리트 벽돌은 조적공사 등에서 우수하게 활용될 수 있다.From this point of view, lightweight concrete bricks having a strength similar to that of ordinary bricks and having a lighter weight with reduced cement weight can be effectively used in masonry work.

한편, 상기 종방향으로 적어도 2개의 관통홀이 형성된 벽돌본체(10)는 지면에 철근을 수직으로 고정하고, 상기 철근에 관통홀을 통과시켜 벽체의 조적이 되도록 할 수 있다. 또는 조적연결체를 이웃하는 벽돌본체(10)의 관통홀(20)과 체결되도록 하여, 벽체가 조적되도록 한다.Meanwhile, the brick body 10 having at least two through-holes formed in the longitudinal direction may vertically fix a reinforcing bar on the ground and pass through the through-holes through the reinforcing bar to become a masonry of the wall. Alternatively, the masonry connector is fastened with the through hole 20 of the neighboring brick body 10, so that the wall is masonry.

상기 조적연결체는 일정한 두께를 가지는 플레이트 판의 상부면과 하부면에 상하로 돌출되도록 형성되는 연결구를 포함한다. 상기 연결구는 플레이트 판의 상부와 하부에 각각 1개 내지 2개씩 형성되어 벽돌본체의 관통홀(20)에 삽입된다.The masonry connector includes a connector formed to protrude up and down on an upper surface and a lower surface of a plate plate having a predetermined thickness. The connector is formed in one to two at the upper and lower portions of the plate plate, respectively, and is inserted into the through hole 20 of the brick body.

벽돌본체(10)에 형성된 관통홀(20)과 상기 벽돌본체와 이웃하는 또다른 벽돌본체의 관통홀(20)에 각각 삽입하여, 벽돌본체들이 서로 연결되도록 한다.Each of the through-holes 20 formed in the brick body 10 and the through-holes 20 of another brick body adjacent to the brick body are inserted so that the brick bodies are connected to each other.

여기서 벽돌본체(10)는 동일한 층에 나란히 있는 벽돌본체 일 수 있고, 서로 다른 층에서 맞닿는 형태로 배치될 수도 있다.Here, the brick body 10 may be a brick body that is side by side on the same layer, or may be arranged in a contact form on different layers.

이상과 같이 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 상기의 실시예에 한정되는 것은 아니며, 이는 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 이러한 기재로부터 다양한 수정 및 변형이 가능하다. 따라서 본 발명 사상은 아래에 기재된 특허청구범위에 의해서만 파악되어야 하고, 이의 균등 또는 등가적 변형 모두는 본 발명 사상의 범주에 속한다고 할 것이다.As described above, although the present invention has been described by the limited embodiments and drawings, the present invention is not limited to the above embodiments, which is various modifications and variations from these descriptions to those of ordinary skill in the field to which the present invention belongs. Transformation is possible. Therefore, the idea of the present invention should be grasped only by the claims described below, and all equivalent or equivalent modifications thereof will be said to belong to the scope of the idea of the present invention.

한편 본 명세서에 개시된 기술에 관한 설명은 단지 구조적 내지 기능적 설명을 위한 실시예에 불과하므로, 개시된 기술의 권리범위는 본문에 설명된 실시예에 의하여 제한되는 것으로 해석되어서는 아니 된다. 즉, 실시예는 다양한 변경이 가능하고 여러 가지 형태를 가질 수 있으므로 개시된 기술의 권리범위는 기술적 사상을 실현할 수 있는 균등물들을 포함하는 것으로 이해되어야 한다. 또한, 개시된 기술에서 제시된 목적 또는 효과는 특정 실시예가 이를 전부 포함하여야 한다거나 그러한 효과만을 포함하여야 한다는 의미는 아니므로, 개시된 기술의 권리범위는 이에 의하여 제한되는 것으로 이해되어서는 아니 될 것이다.Meanwhile, since the description of the technology disclosed in this specification is merely an embodiment for structural or functional description, the scope of the rights of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, since the embodiments can be variously changed and have various forms, the scope of the rights of the disclosed technology should be understood to include equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the disclosed technology does not mean that a specific embodiment should include all or only such effects, it should not be understood that the scope of the rights of the disclosed technology is limited thereby.

또한 본 발명에서 서술되는 용어의 의미는 다음과 같이 이해되어야 할 것이다. “제1”, “제2” 등의 용어는 하나의 구성요소를 다른 구성요소로부터 구별하기 위한 것으로, 이들 용어들에 의해 권리범위가 한정되어서는 아니 된다. 예를 들어, 제1 구성요소는 제2 구성요소로 명명될 수 있고, 유사하게 제2 구성요소로 제1 구성요소로 명명될 수 있다.In addition, the meaning of the terms described in the present invention should be understood as follows. Terms such as “first” and “second” are used to distinguish one element from other elements, and the scope of rights is not limited by these terms. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component.

나아가 어떤 구성요소가 다른 구성요소에 “연결되어”있다고 언급된 때에는, 그 다른 구성요소에 직접적으로 연결될 수도 있지만, 중간에 다른 구성요소가 존재할 수도 있다고 이해되어야 할 것이다. 반면에, 어떤 구성요소가 다른 구성요소에 “직접 연결되어”있다고 언급된 때에는 중간에 다른 구성요소가 존재하지 않는 것으로 이해되어야 할 것이다. 한편, 구성요소들 간의 관계를 설명하는 다른 표현들, 즉 “~사이에”와 “~사이에” 또는 “~에 이웃하는”과 “~에 직접 이웃하는” 등도 마찬가지로 해석되어야 한다.Furthermore, when a component is referred to as being “connected” to another component, it should be understood that although it may be directly connected to the other component, another component may exist in the middle. On the other hand, when it is mentioned that a component is “directly connected” to another component, it should be understood that there is no other component in the middle. On the other hand, other expressions that describe the relationship between components, such as “between” and “between” or “neighbor to” and “directly neighbor to” should be interpreted as well.

단수의 표현은 문맥상 명백하게 다르게 뜻하지 않는 한 복수의 표현을 포함하는 것으로 이해되어야 하고, “포함하다”또는 “가지다” 등의 용어는 설시된 특징, 숫자, 단계, 동작, 구성요소, 부분품 또는 이들을 조합한 것이 존재함을 지정하려는 것이며, 하나 또는 그 이상의 다른 특징이나 숫자, 단계, 동작, 구성요소, 부분품 또는 이들을 조합한 것들의 존재 또는 부가 가능성을 미리 배제하지 않는 것으로 이해되어야 한다.Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as “comprises” or “have” refer to specified features, numbers, steps, actions, components, parts, or It is to be understood that it is intended to designate that a combination exists and does not preclude the presence or addition of one or more other features or numbers, steps, actions, components, parts, or combinations thereof.

10 : 벽돌본체 12 : 상부 외층
14 : 하부 외층 16 : 강도보강층
18 : 성형 틀 18a : 성형 핀
20 : 관통홀 30 : 석고분말
40 : 석분 50 : 인조대리석 분말
60 : 건조실 70 : 건조실10: brick body 12: upper outer layer
14: lower outer layer 16: strength reinforcing layer
18: forming frame 18a: forming pin
20: through hole 30: gypsum powder
40: stone powder 50: artificial marble powder
60: drying room 70: drying room

Claims (10)

아크릴이 함유된 폐 인조대리석 분말(50)을 포함하는 혼합물을 배합하는 제 1공정(S1); 상기 제 1공정에서 형성된 혼합물을 성형 틀(18)에 압착 성형하는 제 2공정(S2); 및 상기 제 2공정에서 성형된 벽돌본체(10)를 건조하는 제 3공정(S3);을 포함하여 이루어지는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
A first step (S1) of blending a mixture containing the waste artificial marble powder 50 containing acrylic; A second step (S2) of compressing the mixture formed in the first step into a molding mold 18; And a third step (S3) of drying the brick body 10 formed in the second step.
제 1 항에 있어서,
상기 제 1공정(S1)은 시멘트 8 내지 12중량부, 석분 80 내지 120중량부 비율로 혼합하고, 시멘트 100중량부에 대해 8 내지 10중량부 치환되는 폐 석고분말(30), 석분 100중량부에 대해 8 내지 10중량부 치환되는 아크릴이 함유된 폐 인조대리석 분말(50)이 포함되는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 1,
The first step (S1) is a waste gypsum powder 30, which is mixed in a ratio of 8 to 12 parts by weight of cement and 80 to 120 parts by weight of stone powder, and is substituted with 8 to 10 parts by weight based on 100 parts by weight of cement, and 100 parts by weight of stone powder. A method for manufacturing a lightweight concrete brick with reduced cement specific gravity, characterized in that the waste artificial marble powder 50 containing acrylic substituted with respect to 8 to 10 parts by weight is included.
제 2 항에 있어서,
상기 폐 인조대리석 분말(50)은 아크릴이 80%이상 함유된 것을 분쇄하여 혼합되는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 2,
The waste artificial marble powder 50 is a method of manufacturing a lightweight concrete brick with reduced cement specific gravity, characterized in that the mixture is pulverized and mixed with acrylic content of 80% or more.
제 3 항에 있어서,
상기 폐 인조대리석 분말(50)은 석분에 포함되는 잔골재와 유사한 입도로 가공되어 투입되는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 3,
The waste artificial marble powder 50 is a method of manufacturing a lightweight concrete brick with reduced cement specific gravity, characterized in that the processed and introduced into a particle size similar to the fine aggregate contained in the stone powder.
제 4 항에 있어서,
상기 폐 석고분말(30)은 석고분말에 포함된 Ca에 의해 시멘트의 급결이 방지되어 시멘트의 응결이 조절되는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 4,
The waste gypsum powder 30 is a method of manufacturing a lightweight concrete brick with a reduced cement specific gravity, characterized in that the rapid setting of the cement is prevented by Ca contained in the gypsum powder so that the setting of the cement is controlled.
제 5 항에 있어서,
상기 폐 석고분말(30)에 포함된 Ca과 시멘트가 반응하여 생성된 화합물 결정의 성장압에 의해 시멘트의 건조수축의 저감 및 내화학성이 향상되어지는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 5,
A lightweight concrete brick with reduced cement specific gravity, characterized in that the drying shrinkage of the cement is reduced and the chemical resistance of the cement is improved by the growth pressure of the compound crystals generated by the reaction between the cement and Ca contained in the waste gypsum powder 30 Manufacturing method.
제 1 항에 있어서,
상기 제 3공정(S3)에서, 벽돌본체(10)는 건조실(60)에 투입되어 히팅 열에 의해 폐 인조대리석 분말(50)에 포함된 아크릴이 용융되면서 혼합물과 융착 결합되어지는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 1,
In the third step (S3), the brick body 10 is put into the drying chamber 60, and the acrylic contained in the waste artificial marble powder 50 is melted by heating heat to be fusion bonded with the mixture. Lightweight concrete brick manufacturing method with reduced specific gravity.
제 7 항에 있어서,
상기 건조실(60)은 아크릴의 용융점을 고려한 200℃이상으로 히팅되는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 7,
The drying chamber 60 is a method of manufacturing a lightweight concrete brick with reduced cement specific gravity, characterized in that heated to 200 ℃ or more in consideration of the melting point of acrylic.
제 8 항에 있어서,
상기 건조실(60)에서 건조된 벽돌본체(10)는 폐 인조대리석 분말(50)에 포함된 아크릴이 용융되면서 혼합물 입자 간에 재료분리 저항성이 증대되어지는 것을 특징으로 하는 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법.
The method of claim 8,
The brick body 10 dried in the drying chamber 60 is a lightweight concrete brick with reduced cement specific gravity, characterized in that the acrylic contained in the waste artificial marble powder 50 is melted, thereby increasing material separation resistance between the mixture particles. Manufacturing method.
제 1 항 내지 제 9항 중 어느 하나의 항에 따른 시멘트 비중이 감소된 경량 콘크리트 벽돌 제조방법을 이용하여 형성되는 것을 특징으로 하는 벽돌.A brick, characterized in that it is formed by using the method of manufacturing a lightweight concrete brick having a reduced cement specific gravity according to any one of claims 1 to 9.
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