The mixture ratio of C40 Marine high performance concrete is optimized through test of the hydration heat of binding material, slump, chloride ion diffusion coefficient, anti-crack rand of concrete.

By modern test methods like mercury intrusion pore measurement (MIP) and scanning electron microscope (SEM), the hydration and hardening mechanism of the slag cement was analyzed.

XRD, SEM, and strength test, were employed to investigate the appropriate ratio and hydration mechanism of limestone-based cement consisted of limestone, stag, gypsum and a small amount of clinker.