Miguel Alonso Perez de Agreda & Francisco Hijos Bitrian 
Dam Maintenance and Rehabilitation II [PDF ebook] 

As dams age, they are subject to a series of external agents and processes which tend to deteriorate the qualities with which they were originally conceived to stand against these actions. At the same time, it is often necessary to respond to increased safety standards, either in the structural or hydrological fields. Reservoir sedimentation or wat