Conceptual Study on the Cover of a Near-Surface Disposal Facility in the Humid Region of Southwest China

The cover system is one of the most important engineering barriers in the closure of near-surface disposal facilities. Based on the site characteristics of a near-surface disposal facility in Southwest China， this paper proposes the basic principles and safety functions for its cover system. Furthermore， a conceptual study on the cover is presented， including seepage control measures， drainage measures， and robustness. This study could provide a technical reference for the closure of near-surface disposal facilities.