A Guide to the Structural Design of Bitumen-surfaced Roads in Tropical and Sub-tropical Countries |
Common terms and phrases
4.5 kg rammer age hardening aggregate passing test air voids areas Asphalt Institute asphaltic concrete axle load basecourse binder content bitumen content bitumen macadam bituminous surfacing calcium silicate cent chippings climate Compaction Test construction Crowthorne crushed stone determine Double surface dressing drainage durability embankments ensure equivalence factor equivalent standard axles granular materials granular roadbases gravel hydrated lime mass of total maximum dry density minimum moisture conditions normally Overseas Road Note particle size distribution passing test sieve pavement design pavement layers PAVEMENT MATERIALS penetration plastic Pretoria rammer method recommended reduced refusal density road pavements Road Research Laboratory road surface Rolled asphalt samples SD SD SD shoulders slope specifications stabilised layer structural design sub-base subgrade moisture content subgrade soil subgrade strength suitable temperature thickness total aggregate passing Traffic classes traffic flows traffic forecasting Transport and Road Transport Research Laboratory tropical TRRL viscosity water table wearing course