The autogenous shrinkage of HPC develops greatly and mainly during early age due to a low waterbinderratio, but there is no standard test method for early autogenous shrinkage of the concrete.
高性能混凝土因水胶比低、自收缩大且主要发生在早期,而目前对于早期自收缩的测量还没有统一标准可依。
3
After enlarging waterbinderratio, we also find the chemical binding capability of three cement is on the rise.