塌边 meaning in English

turned-down edge

Edge collapse , honeycomb and surface voids in the slipform paving cement concrete and shrinkage of hardening concrete used in highways are studied in this paper , which is a part of western traffic project , frost resistance of cement concrete , supported by traffic ministry of china
本文针对交通部西部交通项目水泥混凝土抗冻融耐久性能研究中高速路面混凝土滑模施工过程中的塌边和麻面以及硬化混凝土收缩等现象展开研究。