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Hamood Alwashali

Was the area of openings considered in the calculating the length of wall?

Was the area of openings considered in the calculating the length of wall? How did you calculate the length of masonry walls with large opening? How about wall between captive columns?

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    Cheng Song

    Hi Hamood,

    I consulted two authors of this database (Ayhan Irfanoglu and Santiago Pujol) and here are their answers:

    “If what’s meant by the “wall” in the question is an infill wall: no infill walls with openings are taken into consideration. If what’s mean by the “wall” is a reinforced concrete wall (“structural wall”): we considered the cross-sectional area of only the solid wall portion.”

    Hope this answers your question.

    Thanks, Cheng Song NEEScomm Earthquake Engineer

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      Hamood Alwashali

      Thank you Cheng for replying. Yes I am talking about infill walls. Just to make sure; You mean the survey ignored any infill walls with openings in the calculations . Even if this opening size was small ( for example small window in the infill wall)? I am asking because usually most infill walls have openings (door or window). Usually the length of this openings are deducted. If this infill walls are ignored, results will be completely different. Hope to hear from you soon, and thanks to the NEES for sharing this data.

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