KR20020089835A - Method for Manufacturing Ascon Using Recycled Construction Waste Articles - Google Patents

Method for Manufacturing Ascon Using Recycled Construction Waste Articles Download PDF

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Publication number
KR20020089835A
KR20020089835A KR1020010028766A KR20010028766A KR20020089835A KR 20020089835 A KR20020089835 A KR 20020089835A KR 1020010028766 A KR1020010028766 A KR 1020010028766A KR 20010028766 A KR20010028766 A KR 20010028766A KR 20020089835 A KR20020089835 A KR 20020089835A
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KR
South Korea
Prior art keywords
aggregates
aggregate
ascon
recycled
construction waste
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KR1020010028766A
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Korean (ko)
Inventor
오종택
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인선이엔티 주식회사
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Priority to KR1020010028766A priority Critical patent/KR20020089835A/en
Publication of KR20020089835A publication Critical patent/KR20020089835A/en

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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
    • 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
    • C04B20/02—Treatment
    • C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
    • 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
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1077—Cements, e.g. waterglass
    • C04B20/1085—Waterglass
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Road Paving Structures (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

PURPOSE: Provided is a production method of high quality ascon using recycled aggregates which are characterized by removing impurities and protrusion parts and coating with alkali silicate. CONSTITUTION: The aggregates used for producing ascon are obtained by the following steps of: gathering recycled aggregates generated through processes involving crushing, separating and washing waste construction materials; pouring aggregates into peeling-off apparatus to remove impurities and protrusion parts on the surface of aggregates for improving binding force and appearance of aggregates; coating with alkali silicate solution, water glass, to fill pores on the surface of aggregates for lowering absorption.

Description

재생골재를 이용한 아스콘 제조방법 {Method for Manufacturing Ascon Using Recycled Construction Waste Articles}Method for Manufacturing Ascon Using Recycled Construction Waste Articles}

본 발명은 아스콘 제조방법에 관한 것이다.The present invention relates to a method for producing ascone.

특히, 본 발명은 아스콘의 일 구성요소인 골재를 천연골재와 동일한 강도와 입형구조를 갖는 재생골재로 대체투입함으로써 경제적인 유용성 확보와 자원의 재활용을 도모하기 위한 재생골재를 이용한 아스콘 제조방법에 관한 것이다.In particular, the present invention relates to a method for producing ascon using recycled aggregates to secure economic usefulness and to promote the recycling of resources by replacing the aggregate, which is one component of ascon, with recycled aggregates having the same strength and granular structure as natural aggregates. will be.

이른바, 아스콘(아스팔트 콘크리트)은 골재와 시멘트 및 아스팔트의 혼합으로 마련되며, 주로 도로포장용으로 널리 사용되고 있다. 이때, 골재는 아스콘의 강도유지 등 그 품질유지에 지대한 영향을 미치는 것으로서 국내 공개특허공보 제1999-0071664호인 『아스팔트 조성물의 제조방법』에 따르면 골재의 분포도 및 입경과 그 상태에 따라 아스콘의 품질이 좌우됨을 알 수 있다.So-called asphalt (asphalt concrete) is prepared by mixing aggregate with cement and asphalt, and is mainly used for road paving. At this time, the aggregate has a great influence on the quality maintenance, such as maintaining the strength of the asphalt, according to the `` method of manufacturing asphalt composition '' of Korean Patent Laid-Open Publication No. 1999-0071664 according to the distribution and particle size of the aggregate and the state of the asphalt It can be seen that it depends.

통상, 골재는 천연골재를 활용하며, 시공용도에 따라 각각 그 입경을 달리한 채 동일 면적에 투입되는 골재량의 분포도에 변화를 주면서 아스콘을 형성한다. 그러나, 이와 같은 천연골재의 활용은 부족자원에 따른 단가의 상승을 유발함과 동시에 골재 채취에 따른 심각한 환경훼손을 수반하고 있어 그 개선책이 현장을 중심으로 꾸준히 제기되고 있었으나 뚜렷한 대안이 제시되지 못하였다. 즉, 천연골재의 조건을 만족하면서 대체자원으로 활용될 수 있는 골재가 전혀 개발되지 못하고 있다는 것이다.In general, aggregates utilize natural aggregates, and form ascon while varying the distribution of aggregates put in the same area with different particle diameters according to construction purposes. However, such utilization of natural aggregates caused a rise in unit prices due to scarce resources and serious environmental damages caused by the collection of aggregates. . That is, aggregates that can be used as alternative resources while satisfying the conditions of natural aggregates have not been developed at all.

종래, 폐건축물에서 발생되는 재생골재를 선별하여 일부 활용된 바도 있었으나 강도와 입형면에서 천연골재와 현격한 차이가 있으며, 결합력도 상대적으로 낮아 강도와 아스콘의 외형상 바람직하지 못하여 그 사용은 극히 제한적일 수밖에 없었다.In the past, reclaimed aggregates generated from waste buildings have been used in part, but there is a significant difference from natural aggregates in terms of strength and granularity, and the bonding strength is relatively low. There was no choice but to.

따라서, 본 발명은 재생골재를 아스콘에 혼합구성물로 활용하되, 1종 천연골재와 거의 같은 함수율의 유지와 입형개선을 통한 결합력 증대 그리고 향상된 외관을 만족시키는 재생골재를 제공함으로써, 부족 천연자원의 보호와 효율적인 자원의 재활용을 통해 경제적 효용성을 극대화 한 아스콘의 제공을 안출된 목적으로 한다.Therefore, the present invention utilizes recycled aggregate as a mixed component in ascon, but by maintaining the same moisture content as one type of natural aggregate, increase the bonding strength through the improvement of the shape and by providing a recycled aggregate that satisfies the improved appearance, protection of scarcity natural resources The aim is to provide ascon which maximizes economic utility through the recycling of resources and efficient resources.

상기의 목적 달성을 위해 본 발명은 골재와 시멘트 및 아스팔트로 혼합구성되는 아스콘에 있어서, 상기 골재는 표면박리와 입형개선을 통해 골재외의 부착물과 돌출면을 제거한 후 규산 알칼리 수용액을 도포 침투시킨 재생골재로 대체 혼합되어 제조되도록 함을 특징으로 한다.In order to achieve the above object of the present invention, in the ascon mixed with aggregate and cement and asphalt, the aggregate is recycled aggregate coated and penetrated with alkali silicate aqueous solution after removing the deposits and protrusions other than the aggregate through surface peeling and improving the shape of the aggregate. It is characterized in that it is manufactured by mixing alternately.

이하, 본 발명의 아스콘 제조방법을 바람직한 실시예를 들어 보다 상세히 설명한다.Hereinafter, the method for producing ascon of the present invention will be described in more detail with reference to preferred examples.

본 발명에 의한 아스콘 제조를 구현하기 위한 재생골재는, 건설폐기물의 중간처리 과정(예컨대, 파쇄와 선별 및 세척 등의 공정)을 통해 1차 가공생산된 재생골재를 확보한 후, 상기 확보된 재생골재를 표면 박리용 가공장치에 투입함으로 골재 표면의 모르타르 및 각종 불순물이 제거될 수 있음과 동시에 외관의 품질과 부착력을 방해하는 쇄석 및 돌출면 등을 제거하여 완만한 형상으로 입형을 개선하여 결합력 증대와 흡수율을 저하시키게 되는데, 이렇게 생산된 재생골재에 별도의 물유리를 코팅함으로 고품질화를 도모할 수 있게 된다. 즉, 규산 알칼리 수용액을 재생골재의 외주면에 도포 침투시킴으로 암모늄이온과 할로겐이온의 존재하에서 규산칼슘과 콜롤이드(Colloid)규산을 생성시켜 골재표면의 공극이 밀실하게 채워지도록함으로 흡수율의 저하와 외관상의 미려함이 유지될 수 있다는 것이다.The recycled aggregate for realizing the production of ascon according to the present invention, after securing the primary processed regenerated aggregate through the intermediate treatment process (for example, the process of crushing, sorting and washing) of the construction waste, the secured regeneration By incorporating aggregate into the surface peeling processing equipment, the mortar and various impurities on the aggregate surface can be removed, and crushing stones and protruding surfaces that hinder the quality and adhesion of the appearance can be removed. And it will reduce the absorption rate, it is possible to achieve high quality by coating a separate water glass on the recycled aggregate produced in this way. That is, the aqueous solution of silicate silica is applied to the outer circumferential surface of the recycled aggregate to form calcium silicate and colloidal silicate in the presence of ammonium ions and halogen ions so that the voids on the surface of the aggregate are filled intactly. Beauty can be maintained.

따라서, 이와 같은 재생골재와 적량의 시멘트 및 아스팔트가 혼합됨으로써 양질의 아스콘이 제공될 수 있게 된다.Thus, by mixing the recycled aggregate and an appropriate amount of cement and asphalt, it is possible to provide a good ascon.

상기에서 설명한 바와 같이 본 발명의 아스콘은 품질이 현저히 향상된 재생골재를 사용함으로 아스콘의 성능개선을 구현함과 동시에 재생골재의 이용이 촉진되어 자원의 효율적인 재활용을 도모할 수 있는 유용성을 갖는다.As described above, the asphalt concrete of the present invention uses reclaimed aggregates of which the quality is remarkably improved, thereby improving the performance of the asphalt concrete and at the same time, promoting the use of the recycled aggregates, which has the utility of promoting efficient recycling of resources.

Claims (1)

골재와 시멘트 및 아스팔트로 혼합구성되는 아스콘에 있어서, 상기 골재는 표면박리와 입형개선을 통해 골재외의 부착물과 돌출면을 제거한 후 규산 알칼리 수용액을 도포 침투시킨 재생골재로 대체 혼합되어 제조되도록 함을 특징으로 하는 재생골재를 이용한 아스콘 제조방법.In the asphalt concrete, which is composed of aggregate, cement and asphalt, the aggregate is manufactured to be replaced and mixed with recycled aggregate that is applied and penetrated with alkali silicate aqueous solution after removing the deposits and protrusions other than the aggregate through surface peeling and improving the shape of the aggregate. Ascon production method using recycled aggregate to.
KR1020010028766A 2001-05-24 2001-05-24 Method for Manufacturing Ascon Using Recycled Construction Waste Articles KR20020089835A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561063B1 (en) * 2001-08-16 2006-03-16 주식회사 포스코 A coated recycled fine aggregate and preparing the same
CN106565121A (en) * 2016-10-19 2017-04-19 山西省交通科学研究院 A surface treatment method for waste cement concrete regenerated aggregate
CN109516707A (en) * 2018-12-29 2019-03-26 湖南大学 A kind of preparation method for the recycled aggregate inhibiting alkali-aggregate reaction

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561063B1 (en) * 2001-08-16 2006-03-16 주식회사 포스코 A coated recycled fine aggregate and preparing the same
CN106565121A (en) * 2016-10-19 2017-04-19 山西省交通科学研究院 A surface treatment method for waste cement concrete regenerated aggregate
CN106565121B (en) * 2016-10-19 2019-01-22 山西省交通科学研究院 A kind of waste and old cement concrete recycled aggregate surface treatment method
CN109516707A (en) * 2018-12-29 2019-03-26 湖南大学 A kind of preparation method for the recycled aggregate inhibiting alkali-aggregate reaction
CN109516707B (en) * 2018-12-29 2021-08-24 湖南大学 Preparation method of recycled aggregate for inhibiting alkali-aggregate reaction

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