This standard applies to concrete and reinforced concrete L-type (hereinafter referred to as L-type), which is mainly used as a ditch for road surface drainage.
KS F 4005-2004 history
2019KS F 4005-2019 Standard specifications for L-type concrete gutters for concrete and reinforced concrete
2004KS F 4005-2004 Concrete curb-gutters and reinforced concrete curb-gutters
1994KS F 4005-1994 Concrete curb-gutters and reinforced concrete curb-gutters