This Tendency was also observed from the samples with s/c of two.0 and 1.0, and particularly, the energy values of the 2CP2 and 1CP2 samples with significant pores have been the lowest. For that reason, it truly is judged that enough thought is required to the formation of pores as https://3d-resin27036.life3dblog.com/33466582/about-concrete-retarder