𝗥𝗢𝗔𝗗 𝗣𝗔𝗩𝗘𝗠𝗘𝗡𝗧 𝗦𝗧𝗥𝗨𝗖𝗧𝗨𝗥𝗘: 𝗕𝗘𝗛𝗔𝗩𝗜𝗢𝗥 𝗨𝗡𝗗𝗘𝗥 𝗟𝗢𝗔𝗗 🛣️ A pavement is more than asphalt and concrete, it’s a load-distribution system ⚙️ When a wheel load 🚛 touches the surface, stress doesn’t stop there. It spreads downward and outward through the layers ⬇️ 🟢 Surface course – resists traffic loads & shear 🟡 Base course – spreads load over a wider area 🟠 Subbase – reduces stress concentration & protects subgrade 🔵 Subgrade – carries the remaining stress (the r