超高性能海水海砂混凝土的硫酸盐腐蚀破坏机理研究
李田雨, 王维康, 李扬涛, 包腾飞, 赵梦凡, 沈欣欣, 倪磊, 马庆磊, 田惠文

Corrosion Failure Mechanism of Ultra-high-performance Concretes Prepared with Sea Water and Sea Sand in an Artificial Sea Water Containing Sulfate
LI Tianyu, WANG Weikang, LI Yangtao, BAO Tengfei, ZHAO Mengfan, SHEN Xinxin, NI Lei, MA Qinglei, TIAN Huiwen
表1 水泥、粉煤灰和硅灰的基本物理特性
Table 1 Basic physical properties of cement, fly ash and silica fume
Material

CaO

%

SiO2

%

Al2O3

%

MgO

%

Fe2O3

%

Na2O

%

SO3

%

Loss on ignition

Specific surface area

m2·g-1

Apparent density

g·cm-3

P·O 42.5 cement61.53615.4044.430.7244.9060.0432.7552.24%35003.1
Silica fume0.56897.350.3370.4140.0030.1010.1922.81%(20~28)×1042.0
Fly ash1.558302.84.33.20.83.31%34002.1