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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23642

Title: Waste E-Glass Particles Used in Cementitious Mixtures
Authors: C. H. Chen;R. Huang;J. K. Wu;C. C. Yang
Contributors: NTOU:Institute of Materials Engineering
Keywords: Mixture proportioning;Alkali-aggregate reaction;Compressive strength;Durability;Waste management
Date: 2006-03
Issue Date: 2011-10-20T08:06:55Z
Publisher: Cement and Concrete Research
Abstract: Abstract:The properties of concretes containing various waste E-glass particle contents were investigated in this study. Waste E-glass particles were obtained from electronic grade glass yarn scrap by grinding to small particle size. The size distribution of cylindrical glass particle was from 38 to 300 μm and about 40% of E-glass particle was less than 150 μm. The E-glass mainly consists of SiO2, Al2O3, CaO and MgO, and is indicated as amorphous by X-ray diffraction (XRD) technique. Compressive strength and resistance of sulfate attack and chloride ion penetration were significantly improved by utilizing proper amount of waste E-glass in concrete. The compressive strength of specimen with 40 wt.% E-glass content was 17%, 27% and 43% higher than that of control specimen at age of 28, 91 and 365 days, respectively. E-glass can be used in concrete as cementitious material as well as inert filler, which depending upon the particle size, and the dividing size appears to be 75 μm. The workability decreased as the glass content increased due to reduction of fineness modulus, and the addition of high-range water reducers was needed to obtain a uniform mix. Little difference was observed in ASR testing results between control and E-glass specimens. Based on the properties of hardened concrete, optimum E-glass content was found to be 40–50 wt.%.
Relation: 36(3), pp.449-456
URI: http://ntour.ntou.edu.tw/handle/987654321/23642
Appears in Collections:[材料工程研究所] 期刊論文

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