AS 1597.2 Supp 1-1997
AS 1597.2 Supp 1-1997
Precast reinforced concrete box culverts - Large culverts (from 1500 mm span and up to and including 4200 mm span and 4200 mm height) - Commentary (Supplement to AS 1597.2-1996)
standard published 01/01/1997 by Standards Australia