PREDICTION OF CHLORIDE PENETRATION DEPTH RATE AND DIFFUSION COEFFICIENT RATE OF CONCRETE FROM CURING CONDITION VARIATIONS DUE TO CLIMATE CHANGE EFFECT

Abstract Recently, many countries including Korea are experiencing serious climatic events, such as heat waves, torrential rain, cold waves, heavy snowfall, and typhoons.In addition, due to the extreme climate events, the construction period of concrete structures tends to be extended, whereby increasing related economic losses.Pushing through cons

Introduction: The COVID-19 outbreak will likely have a public health impact beyond immediate disease transmission.Little is known about whether social distancing and other societal changes has provoked an increase in gambling, whether decreased betting opportunities due to paused sports events spurred gamblers to transition to online casino gamblin

In this study, calcium carbonate was formed on the surfaces and inner structure of concrete using the microbially induced carbonate precipitation method.Bacillus megaterium bacteria were supplemented into the curing water and concrete mixtures.Three types of concrete were tested: control concrete, bacteria-containing concrete, and concrete cured in