👉 Dead Load vs Live Load (ACI Code)
🟩 Dead Load (DL):
⏺Permanent load on a structure.
⏺Includes self-weight of beams, slabs, columns, walls, and finishes.
⏺Does not change during building life.
⏺ACI Factor (USD): 1.2 × DL
🟥 Live Load (LL):
▶️Temporary or movable load.
📍Includes weight of people, furniture, vehicles, wind, or snow.
🔰Varies with usage or time.
▶️ACI Factor (USD): 1.6 × LL
✅ Design Load Combination (ACI 318): 1.2 DL + 1.6 LL
📘 Summary:
▶️DL = Permanent load (structure weight)
🎲LL = Variable load (occupancy & use)
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