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Nov 11, 2012018332Application of Recycled Aggregate Concrete to the Concrete around Turbines in the Redevelopment Construction of Hydroelectric Power Plant By T. Ishiguro, K. Kitsui, M. Mineta, T. Saito and Y. Sato ... Tokyo 1020083, Japan Tel. 81 3 3263 1571 Fax 81 3 3263 2115 ...

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  • Japan Concrete Institute HomePage

    Japan Concrete Institute HomePage

    Nov 11, 2012018332Application of Recycled Aggregate Concrete to the Concrete around Turbines in the Redevelopment Construction of Hydroelectric Power Plant By T. Ishiguro, K. Kitsui, M. Mineta, T. Saito and Y. Sato ... Tokyo 1020083, Japan Tel. 81 3 3263 1571 Fax 81 3 3263 2115 ...

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  • Application of Conventionally Recycled Coarse Aggregate …

    Application of Conventionally Recycled Coarse Aggregate …

    On the other hand, the recycled aggregate finished with oiltype improving agent was somewhat superior in recovery rate compared with nonfinished aggregate. In addition the oiltype improving agent improved hardening properties. Flexural tests of reinforced concrete beams were conducted only for the oiltype improving agent.

    Read More
  • Separation and collection of coarse aggregate from waste

    Separation and collection of coarse aggregate from waste

    Sep 29, 2017018332By using this technique, the quality of the coarse aggregate separated and collected from concrete test specimens is comparable to that of coarse aggregate recycled by heating and grinding methods, thus satisfying the criteria in Japan Industrial Standard JIS A 5021 for the ovendry density and the water absorption of coarse aggregate by ...

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  •  PDF  Recycled concrete aggregates   ResearchGate

    PDF Recycled concrete aggregates ResearchGate

    Recycled aggregate concrete RAC technology is one of the important measures for the development of green concrete, which can realize the sustainable development of architecture, resources and ...

    Read More
  • Sustainable Construction  Use of Recycled Concrete Aggregate

    Sustainable Construction Use of Recycled Concrete Aggregate

    part 3 production of recycled aggregate by realscale plant and quality of recycled aggregate concrete Authors K Teranishi , Y Dosho , M Narikawa , M Kikuchi Source Sustainable Construction Use of Recycled Concrete Aggregate , 1 Jan 1998 143–156

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  • The other costs of concrete   The Japan Times

    The other costs of concrete The Japan Times

    May 19, 2013018332Today, however, only about 1,000th of the aggregate in concrete is from recycled sources — which the Affairs Council of Recycled Aggregate claims is …

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  • The Cement Sustainability Initiative

    The Cement Sustainability Initiative

    In this report “recycled concrete” refers to concrete that has been diverted from waste streams and reused or recovered for use in a new product. Concrete recycling is a well established industry in many countries and most concrete can be crushed and reused as aggregate. Existing technology for recycling

    Read More
  • Use of RECYCLED AGGREGATES In CONCRETE  A Paradigm …

    Use of RECYCLED AGGREGATES In CONCRETE A Paradigm …

    The extensive research on recycled concrete aggregate and recycled aggregate concrete RAC as started from year 1945 in various part of the world after second world war, but in a fragmented manner. First effort has been made by Nixon in 1977 who complied all the work on recycled aggregate carried out between 19451977 and prepared a stateof ...

    Read More
  • Advances In Concrete Technology   Agg Net

    Advances In Concrete Technology Agg Net

    Using Advances in Concrete Technology to Enhance Readymix Solutions. By Steve Crompton, national technical director, CEMEX UK Materials. Readymixed concrete was first used almost 100 years ago on a construction site in Baltimore, in the US, and in many developed countries it now accounts for over half of all the cement used in construction.

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  • Recycled Aggregates from Construction Demolition Wastes

    Recycled Aggregates from Construction Demolition Wastes

    The concrete aggregate that contains 95 of crushed concrete is called as recycled concrete aggregates. And if the aggregate used in the concrete is 100 crushed, it is called as recycled aggregates. The construction and demolition waste in its original state consists of wood, gypsum, plastics and many contaminating materials, that have to be ...

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  • Technical Report UDC 669   162   275   2   666   972   12

    Technical Report UDC 669 162 275 2 666 972 12

    nace Slag Aggregate for Concrete” in 1981. Thereafter, the two were unified as JIS A 50111 “Slag Aggregate for Concrete, Part 1 Blast Furnace Slag Aggregate”. Then, in 1983, the Japan Society of Civil Engineers JSCE and the Architectural Institute of Japan AIJ instituted technical standards for structural design and casting work of ...

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  • Anellotech Secures Funds to Develop Innovative Plas TCat

    Anellotech Secures Funds to Develop Innovative Plas TCat

    Jun 30, 2020018332Pearl River, NY, USA June 30, 2020 Sustainable technology company Anellotech has announced that R Plus Japan Ltd., a new joint venture company, will invest in the development of Anellotech’s cuttingedge PlasTCat™ technology for recycling used plastics. R Plus Japan was established by 12 crossindustry partners within the Japanese plastics supply chain.

    Read More
  • Concrete recycling creates bendy new construction material

    Concrete recycling creates bendy new construction material

    Feb 21, 2020018332The researchers believe the method could also be extended to recycle other types of discarded plant matter, instead of wood, or even brandnew concrete made from plants, sand, and gravel. In 2018 researchers demonstrated concrete made from fly ash and other industrial waste products which could lower the carbon emissions associated with large ...

    Read More
  • Verder to acquire Microtac in US and MicrotacBel in Japan

    Verder to acquire Microtac in US and MicrotacBel in Japan

    Verder Scientific is to acquire USbased Microtac and Japanese MicrotracBel to extend its product line for particle characterisation by laser diffraction, dynamic light scattering and surface analysis.. Microtrac manufactures instruments for particle analysis, which use laser diffraction and dynamic light scattering technologies, for industrial applications and material research.

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  • Green Concrete from Sustainable Recycled Coarse Aggregates …

    Green Concrete from Sustainable Recycled Coarse Aggregates …

    JIS A 5023, Recycled Concrete Using Recycled Aggregate Class “L”, Japanese Industrial Standards, Tokyo, Japan, 2012. DGTJ07008, Technical Code of Application of Recycled Aggregate Concrete, Shanghai Construction Standard Society SCSS, Shanghai, China, 2007.

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  • Effect of mineral admixtures on properties of recycled

    Effect of mineral admixtures on properties of recycled

    Sep 30, 2018018332Natural coarse aggregate NA was obtained in the crushed stone quarry Tokyo Sekkai Kougyo Limited, Japan. RCA derived from CDW of old concrete structures were provided by a local recycling aggregate manufacture plant and crushed by a mobile machine at Miyagi Prefecture, Japan. The chemical components of aggregate were detailed in Table 2 ...

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  • Effect of pore size distribution on the qualities of

    Effect of pore size distribution on the qualities of

    Proceedings of International Workshop on Recycled Concrete, Tokyo, Japan, pp. 77–93. Shima, H. et al. 2000. “New technology for recovering high quality aggregate from demolished concrete.”

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  • Development and Subjects of Recycled Aggregate Concrete …

    Development and Subjects of Recycled Aggregate Concrete …

    The quality of RCA is influenced by the processing method and quality of original concrete. The general character of RCA, RCA and TR A 00062000concrete using recycled aggregate are introduced. The execution of RAC work, examples of real constructions with RAC, recycling of concrete powder originated from production of RAC and barriers of using RAC are discussed.

    Read More
  • Separation and collection of coarse aggregate from waste

    Separation and collection of coarse aggregate from waste

    Sep 29, 20170183321. ” Establishing a Sound MaterialCycle Society 2010 ”, Japan Ministry of the Environment, pp. 37– 39, p.95. Google Scholar 2. H. Uchikawa and S. Hanehara, “ Recycling of Concrete Waste ” in Concrete in the Service of Mankind Concrete for Environment and Protection, Proceeding of the International Conference Held at the University of Dundee, Scotland, UK, edited by …

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  • Modulus of elasticity of recycled aggregate concrete

    Modulus of elasticity of recycled aggregate concrete

    Jun 11, 2015018332Professor, Department of Architecture, The University of Tokyo, Tokyo, Japan , SangHeon Shin. x. SangHeon Shin. ... such equations are not applicable to the whole data for recycled aggregate concrete because its mechanical properties depend greatly on both the type of aggregates recycled and the ratio of the mix proportions within such ...

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  • Sustainable Construction  Use of Recycled Concrete Aggregate

    Sustainable Construction Use of Recycled Concrete Aggregate

    part 3 production of recycled aggregate by realscale plant and quality of recycled aggregate concrete Authors K Teranishi , Y Dosho , M Narikawa , M Kikuchi Source Sustainable Construction Use of Recycled Concrete Aggregate , 1 Jan 1998 143–156

    Read More
  • Recycled aggregate from C amp D waste  amp  its use in concrete

    Recycled aggregate from C amp D waste amp its use in concrete

    Oct 15, 20140183322. Recycled aggregate RA RAs are extracted through the processing of the debris generated from the demolition of concrete structures and other construction debris such as waste concrete, rejected precast concrete members, broken masonry, concrete road beds and asphalt pavement, leftover concrete from ready mix concrete plant and the waste generated from different …

    Read More
  • Use of RECYCLED AGGREGATES In CONCRETE  A Paradigm …

    Use of RECYCLED AGGREGATES In CONCRETE A Paradigm …

    The extensive research on recycled concrete aggregate and recycled aggregate concrete RAC as started from year 1945 in various part of the world after second world war, but in a fragmented manner. First effort has been made by Nixon in 1977 who complied all the work on recycled aggregate carried out between 19451977 and prepared a stateof ...

    Read More
  • Recycled Aggregates   Portland Cement Association

    Recycled Aggregates Portland Cement Association

    The natural process of carbonation occurs in all concrete from the surface inward. In the process of crushing concrete to create recycled concrete aggregates, areas of the concrete that have not carbonated are exposed to atmospheric carbon dioxide. The LEED 174 Green Building Rating System recognizes recycled concrete in its point system. Credit ...

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  • A Study on the Properties of Self Compacting Concrete

    A Study on the Properties of Self Compacting Concrete

    The utilization of recycled aggregate in the concrete ... Fig. 1 Waste concrete dumped in RMC plant . Concrete is the most widely consumed construction material in the world. Placing of the conventional concrete requires ... University of Tokyo. SCC is an innovative concrete, as the

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  • Concrete recycling creates bendy new construction material

    Concrete recycling creates bendy new construction material

    Feb 21, 2020018332The researchers believe the method could also be extended to recycle other types of discarded plant matter, instead of wood, or even brandnew concrete made from plants, sand, and gravel. In 2018 researchers demonstrated concrete made from fly ash and other industrial waste products which could lower the carbon emissions associated with large ...

    Read More
  • Wood waste strengthens recycled concrete  new study finds

    Wood waste strengthens recycled concrete new study finds

    The research team’s first author, Li Liang, explained, “Just reusing the aggregate from old concrete is unsustainable, because it is the production of new cement that is driving climate change ...

    Read More
  • Modulus of elasticity of recycled aggregate concrete

    Modulus of elasticity of recycled aggregate concrete

    The compressive strength of recycled aggregate concrete was found to range between 18 and 65 MPa, and therefore a prediction equation is proposed for recycled aggregate concrete that considers the ...

    Read More
  • R Plus Japan grants funds to Anellotech to develop Plas

    R Plus Japan grants funds to Anellotech to develop Plas

    Jun 30, 2020018332R Plus Japan, which started operating in June, is headed by Tsunehiko Yokoi and located in Minato Ward, Tokyo. Many plastic packaging materials are unable to be recycled and are instead thrown away after a single use, often landfilled, incinerated, or littered, polluting land and oceans.

    Read More
  • Anellotech Secures Funds to Develop Innovative Plas TCat

    Anellotech Secures Funds to Develop Innovative Plas TCat

    Jun 30, 2020018332Pearl River, NY, USA June 30, 2020 Sustainable technology company Anellotech has announced that R Plus Japan Ltd., a new joint venture company, will invest in the development of Anellotech’s cuttingedge PlasTCat™ technology for recycling used plastics. R Plus Japan was established by 12 crossindustry partners within the Japanese plastics supply chain.

    Read More
  •  PDF  Recycled concrete aggregates   ResearchGate

    PDF Recycled concrete aggregates ResearchGate

    Recycled aggregate concrete RAC technology is one of the important measures for the development of green concrete, which can realize the sustainable development of architecture, resources and ...

    Read More
  • TCG JSCE Joint Seminar  Sakai

    TCG JSCE Joint Seminar Sakai

    Recycling Ratio of Concrete in Japan 0 1020 3040 Emission of Concrete Lumps million t 2000 1995 1990 Recycle ... – Recycled aggregate for concrete ... Of Tokyo • Concrete in which binders, additives and aggregates are all made of cement or materials of cement, and all of these

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  • Suntory Launches New Joint Venture Company to Develop

    Suntory Launches New Joint Venture Company to Develop

    Jun 30, 2020018332Suntory MONOZUKURI Expert Ltd. SME, a subsidiary of Suntory Holdings Ltd., is proud to announce the establishment of R Plus Japan Ltd., a new joint venture company that will invest in the ...

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  • Development of a Sustainable Concrete Waste …

    Development of a Sustainable Concrete Waste …

    aggregate and recycled aggregate concrete. TEPCO has been conducting research on the application of recycled aggregate concrete to buildings since 1993. They have subsequently applied it to their new buildings with the approval of MLIT obtained in January 2002 and September 2004. 2. Application of recycled aggregate and recycled aggregate concrete

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  • APPLICATION OF RECYCLED AGGREGATE CONCRETE FOR …

    APPLICATION OF RECYCLED AGGREGATE CONCRETE FOR …

    Jul 07, 2015018332The basic performance of recycled aggregate concrete, including strength, durability, fire resistance, performance for construction work were examined. ABSTRACT. INTRODUCTION. MANUFACTURE OF RECYCLED AGGREGATES ON A REALSCALE PLANT AND THE PROPERTIES OF RECYCLED AGGREGATES. PROPERTIES OF RECYCLED AGGREGATE CONCRETE

    Read More
  • The Cement Sustainability Initiative

    The Cement Sustainability Initiative

    In this report “recycled concrete” refers to concrete that has been diverted from waste streams and reused or recovered for use in a new product. Concrete recycling is a well established industry in many countries and most concrete can be crushed and reused as aggregate. Existing technology for recycling

    Read More
  • Recycled concrete is Perth s latest eco tech  but will

    Recycled concrete is Perth s latest eco tech but will

    quotEspecially as recycled concrete is cheaper than traditional concrete.quot Although the aggregate business has only been in operation eight months, Mr Gullottos passion for recycling …

    Read More
  • Recycled Aggregates from Construction Demolition Wastes

    Recycled Aggregates from Construction Demolition Wastes

    The concrete aggregate that contains 95 of crushed concrete is called as recycled concrete aggregates. And if the aggregate used in the concrete is 100 crushed, it is called as recycled aggregates. The construction and demolition waste in its original state consists of wood, gypsum, plastics and many contaminating materials, that have to be ...

    Read More
  • Application of Conventionally Recycled Coarse Aggregate …

    Application of Conventionally Recycled Coarse Aggregate …

    On the other hand, the recycled aggregate finished with oiltype improving agent was somewhat superior in recovery rate compared with nonfinished aggregate. In addition the oiltype improving agent improved hardening properties. Flexural tests of reinforced concrete beams were conducted only for the oiltype improving agent.

    Read More
  • Some mechanical properties of normal and recycled

    Some mechanical properties of normal and recycled

    recycled concrete aggregate was 3 to 5 times more than that of natural aggregate in the saturated surface dry state, due to the porosity of mortar around the recycled concrete aggregate. Arum 6 found that the workability of virgin aggregate concrete is better than that of recycled aggregate concrete at the same watercement wc ratio.

    Read More
  • Plastic Concrete  Building Bricks Made From Landfill Waste

    Plastic Concrete Building Bricks Made From Landfill Waste

    Using recycled materials is so hot right now, but using them as aggregate is hotter than Hansel in a black shirt on a summer Sunday. While living in Albany, Miller saw many areas cut their plastic ...

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  • Influence of Recycled Aggregate on Interfacial Transition

    Influence of Recycled Aggregate on Interfacial Transition

    Oct 05, 2003018332This study is conducted 1 to examine the influence of recycled aggregate on interfacial transition zone ITZ, strength, chloride penetration, and carbonation of concrete, and 2 to propose a method for improving strength, chloride penetration, and carbonation resistances of concrete using recycled aggregates.

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  • About us   Technology of Recycled Aggregate Concrete

    About us Technology of Recycled Aggregate Concrete

    Jun 28, 2011018332Keihan Plant 963 Sonenji HirakataCity, Osaka 5730112 Tel 0728583440 Fax 0728583441. Tokyo Liason Office 411 NishiAzabu MinatoKu, Tokyo. Established 28th June, 2011. Incorporated 11th November, 2011. Executive Officer Taikoh Hara CEO Affiliated Company WiLL Engineering Technology, Inc. SAISON, Inc. SAYKEE, Inc.

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  • “Wood” you like to recycle concrete    Institute of

    “Wood” you like to recycle concrete Institute of

    Researchers at the Institute of Industrial Science, a part of The University of Tokyo, have developed a new procedure for recycling concrete with the addition of discarded wood. They found that the correct proportion of inputs can yield a new building material with a bending strength superior to that of the original concrete.

    Read More
  • Green Concrete from Sustainable Recycled Coarse …

    Green Concrete from Sustainable Recycled Coarse …

    JIS A 5023, Recycled Concrete Using Recycled Aggregate Class “L”, Japanese Industrial Standards, Tokyo, Japan, 2012. DGTJ07008, Technical Code of Application of Recycled Aggregate Concrete, Shanghai Construction Standard Society SCSS, Shanghai, China, 2007.

    Read More
  • An Advanced Concrete Recycling Technology and its

    An Advanced Concrete Recycling Technology and its

    54 H. Shima, H. Tateyashiki, R. Matsuhashi and Y. Yoshida Journal of Advanced Concrete Technology Vol. 3, No. 1 5367, 2005 role of advanced concrete recycling systems. This study aims at filling this gap. Inputoutput analysis is widely used in economics for determining the economywide repercussions due to a

    Read More
  • Effect of mineral admixtures on properties of recycled

    Effect of mineral admixtures on properties of recycled

    Sep 30, 2018018332Natural coarse aggregate NA was obtained in the crushed stone quarry Tokyo Sekkai Kougyo Limited, Japan. RCA derived from CDW of old concrete structures were provided by a local recycling aggregate manufacture plant and crushed by a mobile machine at Miyagi Prefecture, Japan. The chemical components of aggregate were detailed in Table 2.

    Read More
  • Development and Subjects of Recycled Aggregate Concrete …

    Development and Subjects of Recycled Aggregate Concrete …

    The quality of RCA is influenced by the processing method and quality of original concrete. The general character of RCA, RCA and TR A 00062000concrete using recycled aggregate are introduced. The execution of RAC work, examples of real constructions with RAC, recycling of concrete powder originated from production of RAC and barriers of using RAC are discussed.

    Read More
  • Effect of pore size distribution on the qualities of

    Effect of pore size distribution on the qualities of

    The qualities of concrete with a high porosity recycled aggregate were deteriorated in comparison with general concrete. On the other hand, the pore volume of 50 nm∼2μm of recycled aggregate concrete with metakolin MK and silica fumeSF were a little reduced and the pore volume of 6 nm∼50 nm was greatly increased more than that of concrete without MK and SF.

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  • Recycled Concrete Aggregates  A Review   SpringerLink

    Recycled Concrete Aggregates A Review SpringerLink

    Mar 29, 2013018332After demolition of old roads and buildings, the removed concrete is often considered worthless and disposed of as demolition waste. By collecting the used concrete and breaking it up, recycled concrete aggregate RCA is created Fig. 1.This paper focuses on coarse RCA which is the coarse aggregate from the original concrete that is created after the mortar is separated from the …

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  •  Wood  you like to recycle concrete    EurekAlert  Science

    Wood you like to recycle concrete EurekAlert Science

    Tokyo, Japan Researchers at the Institute of Industrial Science, a part of The University of Tokyo, have developed a new procedure for recycling concrete with the addition of discarded wood. They...

    Read More