• Ram Elements Wood Design Size Factor Cf and Repetitive Factor Cr

    I have a Ram Elements model that uses the S4S section properties for (4) 2x10's. It is a SPF #1/#2 member and should follow the NDS Supplement Table 4A properties. The Size Factor for Tension and Bending should be 1.1. However, Ram uses Cf = 1.0. Also…
  • Ram Elements Wood Design Repetitive Member Factor Cr

    I am using spaced wood sections defined by your Leo SPCa.leo. There is one section in the standard United States group and we added several sections to a custom group for our office. Our sections typically use 4 combined members. The members are typically…