Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...

2, at the Moneragala base hospital, are dilapidated, and the septic tanks are exposed, resulting in a foul environment. Because the concrete coverings are damaged and the septic tanks exposed, the ...