The need for lightweight concrete in various applications of modern construction technology is increasing very rapidly along with material development. This is because the lightweight concrete has advantages such as the smaller weight of the concrete so that it can reduce the weight of its own structural elements. Lightweight concrete can be produced using light aggregates such as pumice. Pumic…
Coastal abrasion that mainly caused by the activity of the ocean waves is a problem that frequently asked and needs a serious handling, because it can lead to the degradation of the shoreline. On the problems mentioned above, it will require a construction of a breakwater that serves to breaks, reflects and transmits wave energy. In this study, it will be carried out a research on submerged …