海水-珊瑚砂混凝土力学性能及微结构演变  

Durability of Concrete Prepared with Coral Reef Sand and Sea-water

作　　者：王建平 李新平[2] 郭东 孙涛[3] 程书凯 闫革 WANG Jian-ping;LI Xin-ping;GUO Dong;SUN Tao;CHEN Shu-kai;YAN Ge(Institute of Coast Defense Engineering Design,Academy of Naval Research,PLA,Beijing 102202,China;Key Laboratory of Roadway Bridge & Structure Engineering,Wuhan University of Technology,Wuhan 430070,China;Sate Key Laboratory of Silicate Materials for Architectures,Wuhan University of Technology,Wuhan 430070,China)

机构地区：[1]海军研究院海防工程设计研究所,北京102202 [2]武汉理工大学道路桥梁与结构工程湖北省重点实验室,武汉430070 [3]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070

出　　处：《建材世界》2019年第2期11-15,共5页The World of Building Materials

基　　金：国家十二五科技支撑计划(2014BAB15B01)

摘　　要：以珊瑚砂为细集料,采用海水拌合,制备海水拌合珊瑚砂混凝土。针对珊瑚砂特殊物理化学特性,采用合理配合比设计,制备出工作性能优异的海水珊瑚砂混凝土。采用XRD、TG-DSC和SEM等微观测试技术,揭示海水拌合珊瑚砂混凝土力学性能发展及微结构演变规律。Coral sand as a fine aggregate,the use of sea-water mixing,sea-water mixed coral sand concret was prepared.Aiming at the special physical and chemical characteristics of coral sand,the sea-water coral sand concrete with excellent working performance was prepared by reasonable mix design.XRD,TG-DSC and SEM were used to reveal the development of mechanical properties and microstructure of coral concrete mixed with sea-water.

关 键 词：珊瑚砂 海水 抗压强度 微结构 

分 类 号：TU528[建筑科学—建筑技术科学]