Precast reinforced concrete box culverts, Part 2: Large culverts (exceeding 1200 mm span or 1200 mm height and up to and including 4200 mm span and 4200 mm height)
预制钢筋混凝土箱涵 第2部分:大型涵洞(超过1200 mm跨度或1200 mm高度 小于等于4200 mm跨度和4200 mm高度)
Sets out minimum requirements for the design, manufacture and installation of precast reinforced concrete rectangular box culverts for conveying water not under pressure, and for carrying roadway and railway loadings specified by the AS 5100 series.