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憎水剂对蒸压加气混凝土吸水特性的影响
Effect of Water Repellent on the Water Absorption Properties of Autoclaved Aerated Concrete
投稿时间:2016-09-19  修订日期:2016-11-06
DOI:103969/j.issn.1007 9629201706023
中文关键词:  蒸压加气混凝土  憎水剂  抗压强度  吸水率
英文关键词:autoclaved aerated concrete(AAC)  water repellent  compressive strength  water absorption
基金项目:江苏省产学研前瞻性联合研究项目(BY2015029 01);国家自然科学基金资助项目(51678083)
              
作者单位
李书进
LI Shujin
常州工学院常州市建设工程结构与材料性能研究重点实验室,江苏常州213002
Changzhou Key Laboratory of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology, Changzhou 213002, China
钱红萍
QIAN Hongping
常州工学院常州市建设工程结构与材料性能研究重点实验室,江苏常州213002
Changzhou Key Laboratory of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology, Changzhou 213002, China
黄小红
HUANG Xiaohong
常州工学院常州市建设工程结构与材料性能研究重点实验室,江苏常州213002
Changzhou Key Laboratory of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology, Changzhou 213002, China
周一一
ZHOU Yiyi
常州工学院常州市建设工程结构与材料性能研究重点实验室,江苏常州213002
Changzhou Key Laboratory of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology, Changzhou 213002, China
施维成
SHI Weicheng
常州工学院常州市建设工程结构与材料性能研究重点实验室,江苏常州213002
Changzhou Key Laboratory of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology, Changzhou 213002, China
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中文摘要:
      为改善蒸压加气混凝土(AAC)的吸水特性,对比分析了以硬脂酸钙、甲基硅酸钾和憎水硅氧烷这3种憎水剂改性的AAC抗压强度、导热系数和吸水率.结果表明:3种憎水剂均会显著降低AAC的吸水率,提高其饱和吸水强度保留系数;3种憎水剂中,以憎水硅氧烷的改性效果最佳,其适宜掺量(质量分数)为04%~08%.
英文摘要:
      In order to reduce the water absorption of autoclaved aerated concrete(AAC), three types of water repellent were added into AAC and its effect were observed. The compressive strength, thermal conductivity and water absorption of AAC containing potassium trimethylsilanolate(PT), calcium stearate(CS) and siloxane based polymer(SP) were tested. The experimental results indicate that the water absorption of AAC is reduced greatly with the addition of three types of water repellent and the strength retention coefficient(RS) is significantly improved as increasing the content of water repellent. The testing results show that, among three types of water repellent, addition of siloxane based polymer is the best and the content(by mass) of 04%08% is recommended.
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