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Experimental Study on the Mechanical Properties of Glass Concrete with Powdered Waste Glasses
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Experimental Study on the Mechanical Properties of Glass Concrete with Powdered Waste Glasses
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As a part of the movement of natural resources conservation, there have been doing many recycling research works for obsolete aged tire, wasted plastic materials, etc. The purpose of this experimental study is to develop glass concrete by recycling wasted glasses as a cementitious constituent in concrete. First of all, the optimum replacement ratio of powdered waste glasses(PWG) can be determined through pilot compressive strength test on normal and high strength concrete cylinders, which have been made in various mix proportions by changing the replacement ratio of PWG. Then, further tests have been done to figure out mechanical properties of most desirable glass concrete with optimum replacement ratio of PWG, such as static modulus of elasticity, compressive and tensile strengths, flexural strength. On the other hand, the alkali-silica reactions by the mortar-bar method(KS F 2546) have been experimentally doing in various grain sizes of PWG, since the alkali in the cement has a tendency to react with the silica in the PWG. In can be confirmed from the test that glass concrete can have better workability than concrete with silica fume, and they are alike in compressive strength. It is concluded that wasted glasses can be used as pratical additives for economic and environmentally friendly concrete.
폐유리 분말;유리 콘크리트;최적 혼입률;역학적 특성;알칼리·실리카 반응;
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유리 연마슬러지를 혼입한 콘크리트의 복합열화 저항성에 관한 실험적 연구,이현기;오홍섭;심종성;지광습;

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