Pattern Design of Manhole Cover and Its Influence on Skid Resistance

Chou, C.P.C.P.ChouC.K. HuangA.C. ChenC.Y. Tsai2019-02-232019-02-232013https://scholars.lib.ntu.edu.tw/handle/123456789/403846Pattern Design of Manhole Cover and Its Influence on Skid Resistancejournal article10.6135/ijprt.org.tw/2013.6(4).3512-s2.0-84880769570