... FLEXIBLE POROUS FRICTION CONSTRUCTION COURSES WEARING LANDSCAPING INTERCHANGES BRIDGES RAILWAYS SEWAGE PUMPING SEA WALLS FERRIES PIERS STRUCTURES Proc. Instn Ciu.Engrs, Part 1,1987,82, Jun., 507-525 9168 GRTOERUNAPGNISNPEOERRTIANTGION The Sha Tinto Tai POcoastal road, New Territories...

... to the porous friction course laid in 1973, the general condition of the surface was very good but the Marshall asphalt wearing course immediately underneath had suffered badly in places due to fuel spillage and the retention of other contaminants. It was agreed that it would be good practice to remove not less...

... was won from outcropsof decomposed rock, buried wadibeds, and crusher-run from 541 DISCUSSION Table 1 . Bayadat to Wadi Hatta road: pavement composition Wearing course Base course (tapered) Road base Sub-base (as required) 50 mm 75-50 mm 150 mm 0-225 mm Bitumen macadam to BS 1621 Table 3, using 200mm max...

...H G SKEPPER; R S MILLARD; J C FINNIGAN; R D NUTT; R A P BERRY; H ROOK; F R MARTIN; J MITCHELL; F W SPENCER; E H LEWIS DALE; W H TING; H JENNINGS; G M DORMON; D W TURNER; H S BHATIA © Thomas Telford and ICE 1967 EARTHWORKS AIRPORTS CALIFORNIA ASPHALT WEARING DESIGN COMPACTION...

... as aggregateinstead of crushed natural rock or slag. It includes mixtures for both base-course and wearing-course road surfaces manufactured a t temperatures of from 250"350" F.,and laid a t temperatures of not less than 250" F. The expres- sion also covers a number of variations from the usual specification which...