Spandrel reinforcement
Within seismic spandrels, longitudinal and diagonal reinforcement are resolved independently. Formulation is described as follows:
- Longitudinal reinforcement is based on the flexural stresses that are resolved according to conventional beam conditions. These values are dependent upon section dimensions and moment demands.
- Diagonal reinforcement is determined through shear calculation, and reported in addition to orthogonal shear reinforcement only when spandrel length/depth is less than 4.0, as required by code. Spandrels with small legth/depth ratio are typically governed by shear demand, rather than flexural. Additional information on spandrel shear design is available through Help Documentation > Shear wall design.
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