Previous and present investigations on the components, microstructure and main properties of autoclaved aerated concrete - A review

被引：138
作者：
Qu, Xiaoling [1 ]
Zhao, Xuguang [1 ]
机构：
[1] Shaoguan Univ, Sch Civil Engn, Shaoguan 512005, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 135卷
关键词：
Autoclaved aerated concrete; Pore; Shrinkage; Hygric property; Anisotropy; Thermal insulation; Durability; QUARTZ PARTICLE-SIZE; FLY-ASH; THERMAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; CELLULAR CONCRETE; BOTTOM ASH; TOBERMORITE FORMATION; COMPRESSIVE STRENGTH; PHYSICAL-PROPERTIES; MICROPORE STRUCTURE;
D O I：
10.1016/j.conbuildmat.2016.12.208
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Autoclaved aerated concrete (MC) has being attracted more and more attention as its excellent thermal insulation and environmentally friendly characteristics. The properties of AAC depend on components, microstructure and external environment (e.g. relative humidity and CO2). Previous investigations systematically demonstrate the evolution of microstructure and variation of physical properties with different kinds of binders and curing conditions, while present researches enhance the understanding of interaction among comprehensive factors. This paper mainly refines the literatures on AAC in terms of constituent materials (especially industrial wastes and additives), preparation, microstructure and main properties (density, dry shrinkage, hygric property, mechanical properties, anisotropy, thermal insulation and durability). Based on the review, urgent needs should be made in efforts as follows: (i) compatibility between the stiffness rate of AAC slurry and the gas-generation rate; (ii) relationship between the connectivity of pores and thermal insulation; (iii) measures to better the durability. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：505 / 516
页数：12
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