ColdRegionsPavementEngineering目录2讲述.doc

Cold Regions Pavement Engineering 目录 1. Cold Regions Pavements ————1 ? 1.1 Road Networks 1.2 Pavement Surface Types————5 ? 1.2.1 Hot Mix Asphalt ? 1.2.2 Cold Mix ? 1.2.3 Surface Treatments ? 1.2.4 Gravel Surface ? 1.2.5 Stabilized Bases 1.3 Role of Pavements and Pavement Layers ————7 ? 1.3.1 Surfacing Layer ? 1.3.2 Base Course ? 1.3.3 Subbase ? 1.3.4 Subgrade Soil ? 1.3.5 Special Pavement Layers ? 1.3.6 Embankment Geometry ? 1.4 Design Considerations ————12 1 寒区路面 2. Pavement Environment ————15 2.1 Temperature Regime in Pavements 2.1.1 Factors Inducing Heat in the Pavement System ? 2.1.1.1 Solar Radiation ? 2.1.1.2 Geothermal Heat 2.1.2 Factors Contributing to Heat Extraction from the Pavement System ? 2.1.2.1 Emitted Radiations ? 2.1.2.2 Convection and Turbulence 2.1.3 Factors Contributing either to Heat Induction or Extraction ? 2.1.3.1 Latent Heat of Fusion ? 2.1.3.2 Evaporation/Condensation ? 2.1.3.3 Heat Exchange with Precipitation ? 2.1.4 Thermal Balance and Thermal Cycles 2.2 Moisture Regime in Pavements ————23 ? 2.2.1 Phases of Water 2.2.2 Factors Contributing to Water Intake in the Pavement System ? 2.2.2.1 Capillary Rise ? 2.2.2.2 Lateral Moisture Transfer ? 2.2.2.3 Infiltration of Water from Precipitations ? 2.2.2.4 Frost Action 2.2.3 Factors Contributing to Moisture Extraction from the Pavement System ? 2.2.3.1 Evaporation ? 2.2.3.2 Pavement Drainage ? 2.2.4 Moisture Balance 2.3 Stress Regime in Pavements————37 ? 2.3.1 Earth Pressure at Rest ? 2.3.2 Static Stresses Induced by Traffic Loads ? 2.3.3 Stresses Related to Permanent Soil Movements 2.3.4 Moving Traffic Loads ? 2.3.4.1 Evolution of Stresses ? 2.3.4.2 Time-Dependent Material Response ? 2.3.4.3 Stresses Induced by Oscillating Load ? 2.3.5 Thermal Stresses ? 2.3.6 Stresses Related to Frost Heave ? 2.3.7 Negative or Positive Pore Pressure ? 2.4 Interaction with Geology and Morphology ————51 2 路面环境 2.1 路面温度场（状况） 2.2 路面水分状况 2.3 路面应力状态 2.4 路面与地质地貌的相互作用