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  1. tlen

    When is a masonry shear wall not a shear wall?

    Greetings- I am working on a 1950's precast-frame concrete building. Many of the exterior walls have partially grouted 8" cmu infill. The typical wall detail shows 2 #4 vertical bars at 32" oc and bond beams 48" oc with 2 #4s. There is also a single #4 embed 6" into the slab at each vertical...
  2. tlen

    Effective stiffness of infills

    Hello- I am looking into the retrofit of a 1950's concrete frame building with masonry infill walls. The masonry appears to have minimal reinforcing. ICO 2003 for existing buildings requires the calculation of the effective stiffnes of the infill. (A509.2.1.2) Any suggestions on how to...

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