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duct fire resistance tests in accordance with standards (e.g., ASTM E119) Adjust mix based on test results to optimize fire resistance Key considerations: Material composition and gradation Curing methods to enhance durability Structural design to avoid str

tial failure points. Common Challenges and Considerations Complex Loadings: Non-uniform loads or multiple spans complicate analysis. Support Flexibility: Real supports may not be perfectly fixed. Deflections: Large moments can lead to excessi