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MOMENT FRAME BEHAVIOR IN STRONG-COLUMN, WEAK-BEAM STRUCTURES

Explore the structural behavior of moment frames with strong columns and weak beams based on SEAOC Blue Book guidelines. Learn about the hybrid beam-column connection & analysis examples.

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MOMENT FRAME BEHAVIOR IN STRONG-COLUMN, WEAK-BEAM STRUCTURES

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  1. Strong-column/weak-beam

  2. MOMENT FRAME BEHAVIOR SEAOC Blue Book 1999

  3. STRONG-COLUMN, WEAK BEAM Blue Book CommentaryC402.5

  4. MB MB MB MB MB MB MC MC MC MC GLOBAL STRONG-COLUMN, WEAK-BEAM Formula is based on the sum of moment strengths for the columns and beams framing into a level. SMn Columns below SMn Beam left and right

  5. Takitori 100%

  6. RUTHERFORD & CHEKENE

  7. HYBRID Beam-Column connection Mild Steel Fiber reinforced grout pad Unbonded post-tensioned tendons Courtesy of Ms. S. Nakaki

  8. Hybrid System Mechanism qdes Tension force in mild steel Tension force in prestressing steel Compression force in concrete and mild steel Diagonal strut and bond stress transfer joint shear Courtesy of Ms. S. Nakaki

  9. Weak pier story mechanism

  10. Plastic analysis – SEAOC seismic design examples, Volume 3

  11. Dual system Desired mechanism Undesirable mechanism RUTHERFORD & CHEKENE

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