对《墙体材料应用统一技术规范》关于蒸压加气混凝土砌块规定的意见和建议  

Several opinions and suggestions on the provisions about AAC blocks involved in Uniform technique code for wall materials used in buildings

作　　者：黄照明[1,2] 袁誉飞[1,3] 文梓芸[1] 

机构地区：[1]华南理工大学材料科学与工程学院,特种功能材料教育部重点实验室,广州510640 [2]广东中山建筑设计院有限公司,中山528400 [3]广州市市政工程维修处,广州510100

出　　处：《建筑结构》2011年第10期130-134,共5页Building Structure

摘　　要：从蒸压加气混凝土成型机理及基本特性出发,对《墙体材料应用统一技术规范》(GB50574—2010)中有关蒸压加气混凝土砌块的吸水率、收缩性能与抗压强度三者之间的关系、碳化系数、软化系数、抗冻性指标、抗酸侵蚀性以及自承重墙中蒸压加气混凝土砌块最低强度等级要求等提出了一些看法。指出规范GB50574中存在碳化系数、软化系数、抗冻性指标要求偏高,而最低强度等级要求偏低的问题,同时提出了相关的建议。In the light of forming mechanism and basic characteristics of autoclaved aerated concrete（AAC） blocks,some point of views on Uniform technique code for wall materials used in buildings（GB50574—2010） were put forward,concerning the relations between water absorption,shrinkage performance and compressive strength,as well as the indexes of carbonization coefficient,softening coefficient,frost-resistance,the acid erosion-resistance and the minimum strength grade of AAC blocks used on non-load-bearing walls.It is presented that the required indexes of carbonization coefficient,softening coefficient and frost-resistance seem to be high value in code GB50574,while the requirements of minimum strength grade are too low.At the same time,several relational suggestions were proposed.

关 键 词：蒸压加气混凝土砌块 碳化系数 软化系数 抗冻性指标 最低强度等级 

分 类 号：TU375.6[建筑科学—结构工程]