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  1. ArcTangent

    Members not designated as part of the seismic force resisting system

    Hi, Good day! For reinforced concrete moment frames that are not part of lateral load resisting system, section 18.14.3.2 of ACI 318-19 states that "Where the induced moments and shears do not exceed the design moment and shear of the frame member". Please correct me if I'm wrong but my...
  2. ArcTangent

    Built-up hollow rectangular sections used for SMRF System

    Good day. Are built-up hollow rectangular sections (i.e. girder, column) used as primary structural elements of Special Moment Resisting Frames (SMRF) permitted in high seismic zone? If so, is there study or prototype cyclic test for beam-column joint?
  3. ArcTangent

    Applicability of flatslab system in Seismic Category D, E and F

    Dear All, Is flat slab system allowed in high seismic area particularly Seismic Design Category D, E or F. The lateral frame system is RC shear wall and gravity frame system consist of flat slab and gravity columns. Is there are reference or design guides that allows flat slab system in high...
  4. ArcTangent

    Design of Gravity Frames not part of Seismic-Force-Resisting System

    Hi, Good day. May I have your thoughts with regards to the design of the gravity frames that are not part of Seismic-Force-Resisting System. The building is a five-story office building located in high seismic area. The lateral load resisting system is Special Concentric Steel Braced Frame...

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