The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.

混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。

youdao

Ultra light high strength, thermal insulation, waterproof, and the surface adhesion strong, activist and arch, not crack, dry shrinkage ratio as well as good.

超轻高强、保温隔热、防水防潮、与基面结合力强、集体性好、不起拱、不裂缝、干缩比好等优点。

youdao