KR101181861B1 - Reclaimed asphalt concrete mixture at room temperature containing additive - Google Patents
Reclaimed asphalt concrete mixture at room temperature containing additive Download PDFInfo
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- KR101181861B1 KR101181861B1 KR20120057090A KR20120057090A KR101181861B1 KR 101181861 B1 KR101181861 B1 KR 101181861B1 KR 20120057090 A KR20120057090 A KR 20120057090A KR 20120057090 A KR20120057090 A KR 20120057090A KR 101181861 B1 KR101181861 B1 KR 101181861B1
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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
- C04B18/167—Recycled materials, i.e. waste materials reused in the production of the same materials
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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
- 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
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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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/36—Bituminous materials, e.g. tar, pitch
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- 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)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Description
본 발명은 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물에 관한 것으로서, 보다 상세하게는 폐아스팔트 콘크리트를 재생하여 순환골재로 재활용함과 함께 아스팔트 콘크리트에 중요한 안정도 및 흐름값을 개선하기 위한 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물에 관한 것이다.
The present invention relates to a room temperature regenerated asphalt concrete mixture containing a regeneration additive, and more particularly, a regeneration additive for regenerating waste asphalt concrete and recycling it as recycled aggregates and improving stability and flow value important for asphalt concrete. Room temperature regenerated asphalt concrete mixture.
아스팔트는 점착성이 뛰어나고 다른 물질과 부착이 용이하여 결합재 또는 접착재로 이용되고 있으며, 불투수성의 특징으로 방수를 위한 재료로도 이용되는 등 활용폭이 매우 넓은 물질이다. 아스팔트 콘크리트는 현재 도로 포장용, 댐공사용, 방수용, 농업용 등 다양한 용도로 사용되고 있으며, 특히 우리나라 도로포장 중 아스팔트 콘크리트가 90% 이상을 차지하고 있으며, 폐기되는 아스팔트 콘크리트 또한 연간 800만톤에 달하고 있는 실정이다.Asphalt has excellent adhesiveness and is easy to attach with other materials, so it is used as a binder or adhesive, and it is also used as a material for waterproofing due to its impermeability. Asphalt concrete is currently used for various purposes such as road pavement, dam work, waterproofing, agriculture, etc. In particular, asphalt concrete accounts for more than 90% of the road pavement in Korea, and the asphalt concrete that is discarded also reaches 8 million tons per year.
도로포장에 사용되는 아스팔트 콘크리트는 골재, 채움재, 아스팔트 등이 혼합된 물질로서, 폐아스팔트 콘크리트를 처리하는 경우 환경오염을 일으킬 수 있기 때문에 이를 도로포장 등에 재활용할 필요가 있다. 그러나, 우리나라에서 폐아스팔트 콘크리트를 재활용하는 수준은 2006년 기준 1.9%에 불과하여 50% 내외인 선진국에 비해 턱없이 모자라는 형편이다.Asphalt concrete used for road paving is a mixture of aggregate, filler, asphalt, etc., and it is necessary to recycle it for road paving, because it can cause environmental pollution when treating waste asphalt concrete. However, the recycling level of waste asphalt concrete in Korea is only 1.9% in 2006, which is less than 50% of developed countries.
폐아스팔트 콘크리트를 재활용하기 위해서는 채움재, 유화아스팔트 또는 재생첨가제 등을 부가하여 폐아스팔트의 물성을 회복시키는 작업이 필요한데, 국내등록특허공보 제10-0975361호 (등록일자: 2010.08.05.) 는 고유황중유성분을 포함한 에멀전계 재생첨가제를 아스팔트 콘크리트 조성물에 적용하고 있으며, 상기 기술은 시멘트와의 반응시 응고되는 문제를 해결하기 위해 유화아스팔트를 음이온계로 한정하고 있다. In order to recycle the waste asphalt concrete, it is necessary to restore the properties of the waste asphalt by adding fillers, emulsified asphalt or regeneration additives, and Korean Registered Patent Publication No. 10-0975361 (Registration date: Aug. 5, 2010) An emulsion regeneration additive including a heavy oil component is applied to an asphalt concrete composition, and the above technique restricts the emulsion asphalt to an anionic system in order to solve the problem of solidification during the reaction with cement.
국내공개특허공보 제2002-0072899호 (공개일자: 2002.09.19.) 는 파라핀기유, 아로마틱기유 및 나프렌기유를 포함하는 재생첨가제를 통해 폐아스팔트 콘크리트를 재활용하고 있으며, 상기 재생첨가제를 5 ~ 20중량%로 한정하여 폐아스팔트의 성상을 회복시키는 것으로 하고 있다.
Korean Laid-Open Patent Publication No. 2002-0072899 (published date: September 19, 2002) recycles waste asphalt concrete through a regeneration additive including paraffin base oil, aromatic base oil, and naprene base oil. It is supposed to restore the properties of the waste asphalt by the weight percent.
본 발명은 고분자 결합재, 반응 활성화제, 소포제 및 물로 이루어지는 재생첨가제를 활용하여 상온 재생 아스팔트 콘크리트 혼합물의 물성을 향상시킴과 동시에, 안정도값과 흐름값이 향상된 상온 재생 아스팔트 콘크리트 혼합물을 제공하기 위한 것이다.
The present invention is to provide a room temperature reclaimed asphalt concrete mixture with improved stability and flow values while improving the physical properties of the room temperature regenerated asphalt concrete mixture by utilizing a regeneration additive comprising a polymer binder, a reaction activator, an antifoaming agent and water.
상기 목적을 달성하기 위한 본 발명의 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물은, 폐아스팔트 콘크리트로부터 얻어지는 순환골재 60 ~ 85 중량%와, 신재골재 15 ~ 40 중량%로 이루어지는 도로포장용 골재 배합물 100 중량부에 대해, 채움재 10 ~ 40 중량부, 유화아스팔트 10 ~ 30 중량부, 재생첨가제 5 ~ 45 중량부 및 물 5 ~ 45 중량부로 이루어지는 것을 특징으로 한다.The room temperature regenerated asphalt concrete mixture containing the recycled additive of the present invention for achieving the above object is 100 to 30% by weight of aggregate aggregate for road paving consisting of 60 to 85% by weight of recycled aggregate obtained from waste asphalt concrete and 15 to 40% by weight of new aggregate. It is characterized by consisting of 10 to 40 parts by weight of filler, 10 to 30 parts by weight of emulsified asphalt, 5 to 45 parts by weight of regeneration additive, and 5 to 45 parts by weight of water.
또한 본 발명의 재생첨가제는 고분자 결합재 5 ~ 40 중량%, 반응 활성화제 3 ~ 30 중량%, 소포제 0.5 ~ 5 중량% 및 물 40 ~ 70 중량%로 이루어지는 것을 특징으로 한다.In addition, the regeneration additive of the present invention is characterized by consisting of 5 to 40% by weight of the polymer binder, 3 to 30% by weight of the reaction activator, 0.5 to 5% by weight of the defoaming agent and 40 to 70% by weight of water.
또한 본 발명의 채움재는 시멘트 또는 산업부산물인 것을 특징으로 하며, 상기 산업부산물은 화강암, 현무암 등의 석재류로부터 발생되는 석재슬러지, 석회, 플라이애쉬, 제강더스트, 건설폐기물공정에서 발생되는 건식 또는 습식 슬러지, 실리카흄 또는 고로슬래그 중 어느 하나 또는 하나 이상 선택되는 것을 특징으로 한다.
In addition, the filling material of the present invention is characterized in that the cement or industrial by-products, the industrial by-products are dry or wet generated in the stone sludge, lime, fly ash, steel dust, construction waste process generated from stone materials such as granite, basalt, etc. Sludge, silica fume or blast furnace slag is characterized in that any one or more selected.
본 발명에 의하면, 재생 첨가제를 통해 골재 간 결합력이 우수하게 되고, 양생시간이 단축되게 되며, 아스팔트 콘트리트에 필요한 안정도값 및 흐름값의 개선이 이루어지게 되어, 신재골재의 사용량을 최소화할 수 있고 이를 통해 도로포장비용이 절감될 수 있게 된다.
According to the present invention, the binding strength between the aggregates is excellent through the regeneration additive, the curing time is shortened, and the stability value and the flow value required for the asphalt concrete are improved, so that the amount of new aggregates can be minimized. Through the use of road equipment can be reduced.
이하 본 발명의 바람직한 실시 예를 상세하게 설명하도록 한다.
Hereinafter will be described in detail a preferred embodiment of the present invention.
본 발명에 의한 상온 재생 아스팔트 콘크리트 혼합물은 골재, 채움재, 유화아스팔트, 재생첨가제 및 물을 혼합하여 이루어지게 되며, 상기 골재는 신재골재와 폐아스팔트 콘크리트로 이루어지는 순환골재로 이루어지며, 상기 신재골재 15 ~ 40 중량%에 대해 순환골재는 60 ~ 85 중량%의 비율로 이루어지도록 한다. Room temperature regenerated asphalt concrete mixture according to the present invention is made by mixing aggregate, filler, emulsified asphalt, recycled additive and water, the aggregate is made of recycled aggregate consisting of new aggregate and waste asphalt concrete, the new aggregate 15 ~ For 40% by weight recycled aggregates are to be made in a proportion of 60 to 85% by weight.
본 발명은 신재골재의 사용량을 최소화한 상태에서 폐아스팔트 콘크리트를 최대한 이용함으로써 자원재활용 및 도로포장비용을 절감시킬 수 있는 것으로서, 재생첨가제의 활용을 통해 골재, 채움재 등의 결합력이 증대되도록 하고, 아스팔트콘크리트의 양생시간을 단축하도록 하며, 시멘트 사용시 나타나는 백태현상을 최소화할 수 있도록 한다. The present invention is to minimize the use of waste asphalt concrete in the state of minimizing the amount of new aggregate aggregate, and to reduce the resource recycling and road use equipment, and to increase the binding strength of aggregate, filling material, etc. through the use of the regeneration additive, asphalt It will shorten the curing time of concrete and minimize the white phenomena appearing when using cement.
순환골재의 양이 과다한 경우 제품의 품질에 영향을 줄 수 있기 때문에, 본 발명에서는 신재골재의 양을 최소 15중량%를 유지하도록 하며, 40중량%를 넘지 않도록 함으로써 유화아스팔트의 투입이 적정하게 이루어질 수 있도록 한다.
When the amount of recycled aggregate is excessive, the quality of the product may be affected. In the present invention, the amount of new aggregate is maintained at least 15% by weight, and the amount of asphalt is not properly added by not exceeding 40% by weight. To help.
본 발명에 의한 순환골재는 60 ~ 85 중량%의 비율로 이루어지도록 함으로써 유화아스팔트의 투입량을 최소화할 수 있다. 본 발명에 사용되는 유화아스팔트는 신재골재와 순환골재로 이루어지는 골재 100중량부에 대해 10 ~ 30 중량부로 형성되도록 한다. The recycled aggregate according to the present invention can be made in a proportion of 60 to 85% by weight, thereby minimizing the input of emulsified asphalt. Emulsified asphalt used in the present invention is to be formed of 10 to 30 parts by weight based on 100 parts by weight of the aggregate consisting of new aggregate and circulating aggregate.
유화 아스팔트는 도로포장용 역청재로서 폐아스팔트로 이루어지는 순환골재의 물성을 회복시키며 골재간 결합력을 증가시키게 된다. 또한 아스팔트 고유의 성질인 연성을 유지시킴으로써 도로가 받는 하중을 하부로 전달하는 역할을 함으로써 도로손괴를 줄일 수 있도록 한다. Emulsified asphalt is a road paving bitumen material that restores the properties of recycled aggregates consisting of waste asphalt and increases the cohesion between aggregates. In addition, by maintaining the ductility, which is an inherent property of asphalt, it serves to transfer the load received by the road to the bottom, thereby reducing road damage.
본 발명에서는 상온 재생 아스팔트 콘크리트가 상기 효과를 가질 수 있도록 유화 아스팔트를 10중량부 이상이 되도록 하여 아스팔트의 양을 유지할 수 있도록 하며 30중량부가 초과되지 않도록 함으로써 도로의 연성이 적정하게 유지될 수 있도록 한다.
In the present invention, the room temperature regenerated asphalt concrete to maintain the amount of asphalt by the emulsified asphalt to 10 parts by weight or more to have the above effect, and to keep the ductility of the road properly by not exceeding 30 parts by weight. .
본 발명의 채움재로는 산업부산물과 시멘트를 이용할 수 있으며, 상기 채움재는 신재골재와 순환골재로 이루어지는 골재 혼합물 100중량부에 대해 10 ~ 40 중량부를 유지할 수 있도록 한다. 본 발명에서는 백태현상 또는 수화반응이 나타날 수 있는 시멘트보다는 오염물질이 없는 석재슬러지와 같은 산업부산물을 채움재로 주로 이용함으로써, 폐기물 처리에 따르는 비용과 자원재활용 측면에서 유리하게 작용할 수 있도록 한다. Industrial fillers and cement may be used as the filling material of the present invention, and the filling material may maintain 10 to 40 parts by weight based on 100 parts by weight of the aggregate mixture consisting of new aggregate and circulating aggregate. In the present invention, by mainly using industrial by-products such as stone sludge free of contaminants rather than cement that may cause white phenomena or hydration reaction, it can be advantageous in terms of cost and resource recycling according to waste disposal.
종래 시멘트를 과다 사용함으로 인해 상온 재생 아스팔트 콘크리트 혼합물의 색상이 우수하지 못한 측면이 있었으며, 이로 인해 콘크리트여부의 논란이 있었으나, 본 발명에서는 시멘트의 사용을 최소화하는 대신 석재슬러지 또는 플라이애쉬 등과 같은 산업부산물을 채움재로 적극 활용함으로써 아스팔트 콘크리트의 연성 및 색상이 유지될 수 있도록 한다.Conventional use of cement over the room temperature reclaimed asphalt concrete mixture was not excellent color, due to this controversy whether there is concrete, in the present invention, instead of minimizing the use of cement, industrial by-products such as stone sludge or fly ash By actively utilizing as a filler to maintain the ductility and color of asphalt concrete.
본 발명에 사용되는 산업부산물로는 화강암, 현무암 등 각종 석재류의 가공에서 나오는 석재슬러지가 이용될 수 있다. 석재미분말은 1987년 노동부 고시가 있기 전까지는 특정폐기물로서 공해 유발업종으로 분류되어 왔고, 현재는 사업장 폐기물로 분류되어 다소 처리규정이 완화된 감은 있으나 여전히 전량 매립되고 있는 실정이다. As industrial by-products used in the present invention, stone sludge from the processing of various stone materials such as granite and basalt may be used. Stone powder was classified as a waste-inducing industry as a specific waste until the Ministry of Labor notice in 1987, and it is currently classified as a workplace waste.
석재가공의 경우 절단과 연마공정을 거치게 되는데, 이때 발생하는 석재의 부산물은 가공 전 원석의 약 30%에 해당되며, 이 중 상당량이 슬러지로 발생하고 있기 때문에 이를 분말화하여 사용하게 되면 자원재활용 측면에서 매우 유용할 수 있다. In the case of stone processing, the process of cutting and grinding is performed. The by-products of the stone are about 30% of the raw stone before processing, and since much of this is generated as sludge, it is recycled and used as a resource. This can be very useful in
또한, 석재슬러지는 유해중금속을 포함하지 않아 환경적으로도 매우 유리하기 때문에, 본 발명에서는 산업부산물의 일종인 석재슬러지를 채움재로 사용하도록 한다.In addition, since the stone sludge does not contain harmful heavy metals and is very advantageous in terms of environment, in the present invention, the stone sludge, which is a kind of industrial by-products, is used as a filler.
또한 산업부산물로는 건설폐기물 중간처리업체에서 순환골재를 생산하기 위해 폐아스팔트 콘크리트로부터 이물질 및 부착 모르타르를 제거하면서 발생하는 건식, 습식 슬러지가 발생하게 되는데, 상기 건식, 습식 슬러지 또한 채움재로 활용되도록 함으로써 환경 및 자원재활용 측면에서 유용하게 된다.In addition, as industrial by-products, dry and wet sludge generated while removing foreign matter and adhering mortar from waste asphalt concrete to produce recycled aggregates in the construction waste intermediate treatment company are produced, and the dry and wet sludge is also used as a filler. It becomes useful in terms of environment and resource recycling.
채움재로서 상기 석재슬러지 및 건설폐기물로부터 발생되는 건식, 습식 슬러지 외에, 본 발명에서는 석회, 플라이애쉬, 제강더스트 등을 사용하는 것이 가능하며, 실리카흄, 고로슬래그 등의 산업부산물도 채움재로 이용가능함으로써, 본 발명에서는 폐기되는 산업부산물 대부분을 채움재로 이용할 수 있게 된다. In addition to the dry and wet sludge generated from the stone sludge and construction wastes as the filling material, in the present invention, it is possible to use lime, fly ash, steelmaking dust and the like, and also by-products such as silica fume and blast furnace slag can be used as the filling material, In the present invention, most of the industrial by-products discarded can be used as a filler.
본 발명의 채움재는 시멘트와 상기 산업부산물을 혼합하여 채움재로 사용하는 것도 가능하나, 시멘트를 배제한 채 산업부산물로만 채움재를 형성하는 것도 가능하며, 산업부산물도 필요에 따라 2종류 이상을 혼합하여 사용할 수도 있다.
The filling material of the present invention may be used as a filling material by mixing cement and the industrial by-products, but it is also possible to form a filling material only by industrial by-products without cement, and industrial by-products may be used by mixing two or more kinds as necessary. have.
본 발명에 의하면, 골재 100중량부에 대해 재생첨가제 5 ~ 45중량부를 첨가하도록 하며, 상기 재생첨가제는 고분자 결합재 5 ~ 40중량%, 반응 활성화제 3 ~ 30중량%, 소포제 0.5 ~ 5 중량% 및 물 40 ~ 70중량%로 이루어지도록 한다. According to the present invention, 5 to 45 parts by weight of the regeneration additive is added to 100 parts by weight of the aggregate, and the regeneration additive is 5 to 40% by weight of the polymer binder, 3 to 30% by weight of the reaction activator, 0.5 to 5% by weight of the antifoaming agent, and It should be 40 to 70% by weight of water.
종래 재생 아스팔트 콘크리트에 첨가되던 오일계 첨가제는 가열공정이 필요하기 때문에 이산화탄소의 발생 등 환경적인 문제점이 있었으나, 본 발명에 의한 재생 첨가제는 상온 재생 아스팔트 콘크리트에 활용되는 특성상 친환경적인 장점이 있다. Oil-based additives, which were added to conventionally recycled asphalt concrete, had environmental problems such as generation of carbon dioxide because a heating process is required, but the recycled additive according to the present invention has an environmentally friendly advantage in terms of the characteristics used in room temperature recycled asphalt concrete.
상기 고분자 결합재는 에폭시계 고분자, 우레탄계 고분자, 아크릴계 고분자 중 적어도 하나 이상을 선택하여 사용하도록 하며, 고분자 결합재는 혼합되는 골재의 접착력이 최대로 이루어지는 역할을 하게 된다.The polymer binder is selected to use at least one or more of an epoxy-based polymer, a urethane-based polymer, an acrylic polymer, the polymer binder plays a role of maximizing the adhesive strength of the aggregate to be mixed.
반응 활성화제는 음이온계, 양이온계 비이온계 활성화제 중 적어도 하나 이상을 선택하여 이루어질 수 있도록 하며, 조성물 간의 반응을 활성화함으로써 재생 아스팔트 콘크리트 혼합물의 양생시간이 단축되도록 한다. 반응 활성화제의 투입을 통해 도로포장의 공정을 전체적으로 감축시키는 것이 가능하여 도로포장비용이 절감될 수 있게 된다.The reaction activator may be achieved by selecting at least one or more of anionic and cationic nonionic activators, and by shortening the curing time of the recycled asphalt concrete mixture by activating the reaction between the compositions. Through the addition of the reaction activator it is possible to reduce the overall process of the road pavement can be saved for road paving equipment.
소포제는 에탄올 또는 실리콘계 중 적어도 하나 이상을 선택하여 이루어지도록 하며, 재생 아스팔트 콘크리트의 생산 과정에서 발생하는 기포를 제거할 수 있도록 한다. Defoamer is made by selecting at least one or more of ethanol or silicon-based, it is possible to remove the bubbles generated during the production of recycled asphalt concrete.
재생첨가제에 포함되는 물은 40 ~ 70중량%로 이루어지도록 하여, 재생첨가제가 전체적으로 수용성이 되도록 하여 환경안정성이 향상되도록 하며, 이를 통해 재생 아스팔트 콘크리트가 상온에서 제조될 수 있도록 한다. The water contained in the regeneration additive is 40 to 70% by weight, so that the regeneration additive is generally water-soluble to improve the environmental stability, thereby allowing the recycled asphalt concrete to be produced at room temperature.
본 발명에 의하면 아스팔트 콘크리트에 상기 재생첨가제를 첨가함으로써 골재간의 결합력이 우수하게 되며 또한 도로포장시 양생시간이 단축됨으로써 공사기간 및 포장비용을 절감할 수 있게 된다. 또한 재생첨가제 제조시 시멘트의 사용이 배제되기 때문에, 백태현상이 발생하지 않아 아스팔트 콘크리트의 색상이 매우 우수하게 형성될 수 있게 된다. 본 발명의 재생첨가제는 골재 100중량부에 대해 5 ~ 45중량부로 첨가함으로써 신재골재와 순환골재의 함량 차이에 따른 영향을 최소화하도록 하며 아스팔트 콘크리트 제조과정 또한 단순화되도록 한다. According to the present invention, by adding the regeneration additive to the asphalt concrete, the bonding force between the aggregates is excellent, and the curing time is reduced when paving the road, thereby reducing the construction period and the paving cost. In addition, since the use of cement is excluded in the production of the regeneration additive, white phenomena do not occur, and the color of the asphalt concrete can be formed very well. Regeneration additive of the present invention by adding 5 to 45 parts by weight based on 100 parts by weight of aggregate to minimize the effect of the difference between the content of new aggregate and recycled aggregate and to simplify the asphalt concrete manufacturing process.
본 발명에서는 골재 100중량부에 대해 물을 5 ~ 45중량부로 첨가하여 아스팔트 콘크리트의 워커빌리티가 상승될 수 있도록 한다.
In the present invention, by adding water to 5 to 45 parts by weight with respect to 100 parts by weight of aggregates so as to increase the workability of the asphalt concrete.
아래의 표1은 산업부산물인 석재슬러지를 채움재로 활용한 상온 재생 아스팔트 콘크리트에 본 발명의 재생첨가제를 첨가하지 않은 상태에서, 재생 아스팔트 콘트리트의 성능에 중요한 역할을 미치는 두 가지 요소인 안정도값과 흐름값을 보여주고 있다.
Table 1 below shows stability values and flow, two factors that play an important role in the performance of reclaimed asphalt concrete without adding the reclaimed additive of the present invention to room temperature reclaimed asphalt concrete using industrial sludge as a filler. It is showing the value.
상기 표1의 화강암 석재슬러지의 채움재에 본 발명의 재생첨가제를 첨가한 경우 나타나는 성능은 아래 표2와 같다.
The performance shown when the regeneration additive of the present invention is added to the filler of the granite stone sludge of Table 1 is shown in Table 2 below.
본 발명의 일 실시 예인 표1과 표2를 통해 볼 때, 재생첨가제를 첨가한 아스팔트 콘크리트의 안정도값 성능이 재생첨가제를 첨가하지 않은 경우보다 향상됨을 알 수 있으며, 흐름값은 기준치 이내에서 안정된 상태를 유지하고 있음을 알 수 있다.
Through Tables 1 and 2, which is an embodiment of the present invention, it can be seen that the stability value performance of the asphalt concrete added with the regeneration additive is improved compared to the case where the regeneration additive is not added, and the flow value is stable within the standard value. It can be seen that it is maintained.
본 발명의 다른 실시 예로서 표3은 시멘트를 채움재로 활용한 예를 보인 것으로서, 재생첨가제가 첨가되지 않은 상태에서의 아스팔트 콘크리트의 성능을 보여주고 있다.
As another embodiment of the present invention Table 3 shows an example of using the cement as a filler, showing the performance of asphalt concrete in the state without the addition of a regeneration additive.
아래 표4는 시멘트를 채움재로 첨가한 표3에 본 발명의 재생첨가제를 첨가한 상태에서의 아스팔트 콘크리트 성능을 보여주고 있다.
Table 4 below shows the performance of asphalt concrete in the state in which the regeneration additive of the present invention is added to Table 3 in which cement is added as a filler.
상기 표3과 표4를 비교해 볼 때, 시멘트를 채움재로 활용한 사례에서도 재생첨가제의 첨가에 의해 안정도 값이 2배이상 증가된 것을 알 수 있으며, 안정도의 향상에도 불구하고 흐름값은 기준치 범위를 벗어나지 않음을 알 수 있다.
Comparing Table 3 and Table 4, even in the case of using cement as a filler, the stability value was increased by more than two times by the addition of the regeneration additive, and despite the improvement in the stability, the flow value was within the standard range. It can be seen that it does not deviate.
따라서, 본 발명에 첨가되는 재생첨가제를 통해 상온 재생 아스팔트 콘크리트의 주요 성능인자인 안정도값과 흐름값이 향상되거나 기준치 이내에 유지되는 것을 알 수 있으며, 특히 시멘트가 채움재일 경우에 안정도값이 크게 향상되는 것을 알 수 있다. Therefore, it can be seen that the stability value and the flow value, which are the main performance factors of the room temperature regenerated asphalt concrete, are maintained or maintained within the standard value through the regeneration additive added to the present invention. It can be seen that.
표1 내지 표4를 통해 볼 때, 재생첨가제의 투입을 통해 상온 아스팔트 콘크리트의 성능이 향상됨을 알 수 있으며, 특히 시멘트를 채움재로 사용할 경우에 재생첨가제 투입의 효과가 더 크게 나타날 수 있음을 알 수 있다.
From Tables 1 to 4, it can be seen that the performance of the room temperature asphalt concrete is improved through the addition of the regeneration additive, and in particular, when the cement is used as a filler, the effect of the addition of the regeneration additive may be greater. have.
이상에서 본 발명의 바람직한 실시 예를 설명하였으나, 본 발명의 권리범위는 이에 한정되지 아니하며 본 발명의 실시 예와 실질적으로 균등한 범위에 있는 것까지 본 발명의 권리범위가 미치는 것으로 이해되어야 하며, 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변형 실시가 가능하다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
상기 재생첨가제는 고분자 결합재 5 ~ 40중량%, 반응 활성화제 3 ~ 30중량%, 소포제 0.5 ~ 5중량% 및 물 40 ~ 70중량%로 이루어지는 것을 특징으로 하는 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물.
10 to 40 parts by weight of filling material, 10 to 30 parts by weight of emulsified asphalt, regenerated additives based on 60 to 85% by weight of recycled aggregate obtained from waste asphalt concrete and 100 parts by weight of road aggregate aggregate composed of 15 to 40% by weight of new aggregate. 5 to 45 parts by weight and 5 to 45 parts by weight of water,
The regenerative additive is a room temperature regenerative asphalt concrete mixture containing a regenerative additive, characterized in that 5 to 40% by weight of the polymer binder, 3 to 30% by weight of the reaction activator, 0.5 to 5% by weight of antifoaming agent and 40 to 70% by weight of water. .
상기 채움재는 시멘트 또는 산업부산물인 것을 특징으로 하는 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물.
The method of claim 2,
The filler is room temperature regenerated asphalt concrete mixture containing a regeneration additive, characterized in that the cement or industrial by-products.
상기 산업부산물은 화강암, 현무암 등의 석재류로부터 발생되는 석재슬러지, 석회, 플라이애쉬, 제강더스트, 건설폐기물공정에서 발생되는 건식 또는 습식 슬러지, 실리카흄 또는 고로슬래그 중 어느 하나 또는 하나이상 선택되는 것으로 이루어지는 것을 특징으로 하는 재생첨가제가 함유된 상온 재생 아스팔트 콘크리트 혼합물.
The method of claim 3,
The industrial by-products are made of one or more of stone sludge, lime, fly ash, steelmaking dust, dry or wet sludge generated from the construction waste process, silica fume or blast furnace slag generated from stone materials such as granite and basalt. Room temperature regenerated asphalt concrete mixture containing a regeneration additive.
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| CN114163181A (en) * | 2021-12-02 | 2022-03-11 | 山西机械化建设集团有限公司 | Novel emulsified asphalt cold-recycling lower-surface-layer mixture and construction process thereof |
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| KR101296159B1 (en) | 2013-03-13 | 2013-08-28 | 국보환경(주) | Method for manufacturing and composite of base asphalt using aged asphalt concrete and cementless binder |
| KR101426691B1 (en) * | 2013-09-12 | 2014-08-07 | 양윤희 | High performance cement concrete compositions for bridge deck pavement with modified emulsified asphalt and method of bridge deck pavement using the same |
| KR101438060B1 (en) * | 2013-11-22 | 2014-09-12 | (유)그린환경건설 | Concrete mixture for base course of the road using the reclaimed coal ash and recycled aggregate and manufacturing method thereof |
| CN104237491A (en) * | 2014-10-10 | 2014-12-24 | 北京市政路桥建材集团有限公司 | Cold-recycling emulsifier optimizing method based on mixture performance |
| CN104237491B (en) * | 2014-10-10 | 2015-12-30 | 北京市政路桥建材集团有限公司 | A kind of cold renewal emulsifying agent method for optimizing based on mixture performance |
| KR101546506B1 (en) * | 2015-03-04 | 2015-08-24 | 유한회사 서원아스콘 | Recycled Cold Asphalt Concrete Mixture |
| KR101630343B1 (en) | 2016-02-12 | 2016-06-14 | (주)한동알앤씨 | Recycled Cold Asphalt Mixture Shortened Curing Time and Manufacturing Method Thereof |
| KR101653170B1 (en) | 2016-05-04 | 2016-09-02 | (주) 이도켐 | Multifunctional High Efficient Asphalt Concrete Composition Using Eco-friendly Special Additive and Construction Method Using the Same |
| KR101831852B1 (en) * | 2016-10-12 | 2018-04-04 | 제주대학교 산학협력단 | Modified Recycling Asphalt Mixtures Using Wasted Asphalt Concrete and Powdered Sludge of Basalt |
| CN108117285A (en) * | 2017-12-01 | 2018-06-05 | 深圳市华威环保建材有限公司 | A kind of activation method of architecture sediment |
| CN108117285B (en) * | 2017-12-01 | 2021-01-19 | 深圳市华威环保建材有限公司 | Activation method of building residue soil |
| KR101954230B1 (en) * | 2018-09-03 | 2019-03-06 | 주식회사 지케이기술연구소 | Waterproof Asphalt Concrete Composition for Prime Coating Which Comprising Rycycling Asphalt, SIS, SBS, and Aggregate-powder of Improved Grain Size for Improving Waterproof and Constructing Methods Using Thereof |
| KR101954232B1 (en) * | 2018-09-03 | 2019-03-06 | 주식회사 지케이기술연구소 | Hardening Waterproof Guss Asphalt Concrete Composition for Paving Which Comprising Rycycling Asphalt, SIS, SBS, and Aggregate-powder of Improved Grain Size for Improving Waterproof and Constructing Methods Using Thereof |
| CN114163181A (en) * | 2021-12-02 | 2022-03-11 | 山西机械化建设集团有限公司 | Novel emulsified asphalt cold-recycling lower-surface-layer mixture and construction process thereof |
| CN114163181B (en) * | 2021-12-02 | 2023-02-10 | 山西机械化建设集团有限公司 | Emulsified asphalt cold-recycling lower-layer mixture and construction process thereof |
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