A Review of Rockfall Control Measures along Highway

Abstract

Rockfalls are a constant danger to motorists and to highway facilities in mountainous terrain. Rockfall disaster displays some features such as wide distribution, much quantity, sudden occurrence, randomicity and strong fatalness. Against rockfall hazard along highway, there are two types of protection: passive ones and active ones. In present paper, the authors conduct a systematically summary of rockfall control measures along highway. Seven kinds of key active methods and six kinds of vital passive technologies to prevent and cure rockfall are presented. This review is of certain reference value for road maintenance in rocky mountains.