Development of lightweight aggregate from sewage sludge and waste glass powder for concrete

被引：103

作者：

Bui Le Anh Tuan ^{[1
]}

Hwang, Chao-Lung ^{[2
]}

Lin, Kae-Long ^{[3
]}

Chen, Yuan-Yuan ^{[4
]}

Young, Mung-Pei ^{[2
]}

机构：

[1] Can Tho Univ, Dept Civil Engn, Can Tho City, Vietnam

[2] Natl Taiwan Univ Sci & Technol, Dept Construct Engn, Taipei 106, Taiwan

[3] Natl Ilan Univ, Dept Environm Engn, Ilan 260, Taiwan

[4] Hwa Sha Inst Technol, Dept Architecture, New Taipei City, Taiwan

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2013年 / 47卷

关键词：

Wet sewage sludge; Waste glass; Lightweight aggregate; Lightweight concrete; Strength; Durability; ALKALI-ACTIVATED BINDERS; HARBOR SEDIMENT; FLY-ASH; WATER;

D O I：

10.1016/j.conbuildmat.2013.05.039

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, wet sewage sludge was used as the principle material and waste glass used as the additive to manufacture lightweight aggregate (LWA). The effects of different mass ratios of waste glass to sewage sludge and sintering temperatures on the aggregate properties were investigated. The selected LWA was used as coarse aggregate for producing lightweight concrete (LWC) with high workability. Results showed that the used of waste glass improved sintering temperature, decreased water absorption and increased failure point loading and bulk density of aggregate. The addition of 30-50% of waste glass produced the high quality LWA with bulk density lower than 2 g/cm(3), water absorption lower than 10% and failure point loading as high as 892 N. Workable lightweight concrete with the 28-day compressive strength of 49 MPa was obtained. Results of surface resistivity and ultrasonic pulse velocity of LWC indicated that the produced LWC could be considered as good quality concretes. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：334 / 339

页数：6

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