Self-compacting lightweight concrete produced with expanded clay aggregate

被引：121
|
作者：
Alexandre Bogas, J. [1 ]
Gomes, Augusto [1 ]
Pereira, M. F. C. [1 ]
机构：
[1] Univ Tecn Lisboa, Inst Super Tecn, DECivil ICIST, P-1049001 Lisbon, Portugal
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 35卷
关键词：
Self-compacting lightweight concrete; Lightweight aggregate; Mechanical properties; Composition; Segregation; MECHANICAL-PROPERTIES; DESIGN; WORKABILITY; STRENGTH;
D O I：
10.1016/j.conbuildmat.2012.04.111
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The objective of this paper is to characterize self-compacting concretes produced with lightweight aggregates (SCLC) available in the Iberian Peninsula. The influence of different compositions on the self-compactability of SCLC is analyzed and some limits are suggested for their formulation. The usual self-compacting tests and additional segregation tests were considered. SCLC of adequate stability and self-compactability could be produced for compressive strengths between 37.4 and 60.8 MPa, density classes D1.8-D2.0 and 490-599 kg/m(3) of fines content with 33% fly ash by weight. Promising results were obtained in the SCLC mechanical characterization. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1013 / 1022
页数：10
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