Lightweight concrete is categorized as a concrete that contains lightweight aggregate, and as defined in ASTM C-567 that its air-dry mass weighs not more than 1900 kg/m3 (Mulyono, 2004). In this study, rubber seeds are used as lightweight aggregates in concrete. The purpose of using rubber seed is to intensify its utilization as it is a massive by-product of plenteous rubber plantations that ar…
Nowadays, concrete are used in almost every construction, even for buildings, bridges, roads and so forth. The use of concrete construction as the dominant structural components, of course, due to considerations of concrete construction is more robust, durable, inexpensive and easy to shape as desired compared to other construction, such as Steel. This study used four combinations Pumice (BA) a…