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  • 1.  Seismic Damage on church some

    Posted 10-14-2020 08:24 AM

     I recently accepted a pro-bono client that requires some work with an
    old brick dome type of structure. Just imagine my client has a
    historic building (church) and its main dome suffered some damages in
    the recent earthquakes.

    I am doing some research on the topic and would like to know if in our
    ASCE network we have a database with publications,
    inspection/exploratory procedures, and or design guidance.

    Thanks for your time.


    Hector Colon-De La Cruz
    ASCE PR Section President
    Ph: 7874623724
    E: Hectorcolondelacruz@...

  • 2.  RE: Seismic Damage on church some

    Posted 10-15-2020 08:57 AM
    Hi Hector,

    You'd want to review technical papers pertaining to thrust line analysis. Damage to an arch or dome can imply a shift in the thrust line; understanding this mechanism can help you identify the repair that needs to be made. Some great publications I've encountered on the topic have been from MIT (Ochsendorf group), Princeton (Adriaenssens group), and ETH-Zurich (Block group). 

    This sounds like an intriguing project, and one that is meaningful to me. Years ago I worked on a project involving seismic damage to a centuries-old church in Mexico. Word of advice - one of the most dangerous things for a historic church is taking a 21st century engineering approach. To repair and preserve the church you're working on you'll have to think as an engineer (or master-builder) from centuries prior. Set aside the FEA of today and you'll find that the graphical analysis tools of the past are indeed the most insightful for the problem at hand.



    Jonathan Glassman Ph.D., P.E., M.ASCE
    Yorba Linda CA

  • 3.  RE: Seismic Damage on church some

    Posted 10-15-2020 08:58 AM
    Kia ora Hector,
    Greetings from New Zealand. I recently did a peer review for a heritage dome structure. I'm not sure how much help I could provide you, but feel free to contact me (j.ingham@...).
    Best wishes, Jason Ingham

    Jason Ingham M.ASCE
    Associate Professor
    Department of Civil Engineering

  • 4.  RE: Seismic Damage on church some

    Posted 10-16-2020 04:19 PM
    Edited by Tirza Austin 10-16-2020 04:19 PM

    Dear Hector,

    I have worked on seismic rehabilitation in several projects. My latest book in this field has just been published by Elsevier Publications.


    I have also had good activities in the field of seismic rehabilitation of historical projects.I can help you if you provide more information about your project.

    Reza Mokarramaydenlou, Ph.D., C.Eng, P.E., S.E., M.ASCE
    Structural Engineering and Seismic rehabilitation Consultant
    Author of the book in Elsevier

  • 5.  RE: Seismic Damage on church some

    Posted 10-19-2020 01:56 PM
    ASCE 7-10 does develop forces on domes.  Ref. 4.8.2, 7.6.4, 10.4.1, Fig. 27.4-2 and 30.4-7; or ASCE 7-16 27.3-2, 30.3-7.  Also in the ASCE 7-10 Commentary, the discussion C.4.3.3 Partial Loading, commentary on Fig. 27.4-2 ...etc.
    Recommended: Taylor, T.J. (1991). "Wind pressures on a hemispherical dome." 
    [Puerto Rico]

    Refugio Rochin P.E., M.ASCE
    Asst. Eng.1
    Naxutl, Inc.
    Albuquerque NM