Sifat Fisik Dan Mekanik Mortar Dengan Penambahan Bakteri Bacillus Subtilis Pa…

ABSTRACT An aggressive environment could have a detrimental impact on the mortar, because it contains many chemical substances that are reactive to the elements found in the mortar. For example, in groundwater which contains a lot of sulfate salts and one of them is reactive the example is magnesium sulfate. The science and technology have been developing until now, the research on self-he…