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  • Try Larsa 4D. This is an advanced software for the analysis and design of structures based on the finite element method. ------------------------------ Gustavo Escorcia Ing., P.E., M.ASCE Structural Engineer STV / Ralph Whitehead and Associates North ...

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    RE: Steel LRFD

    Refugio- Hope you're doing well. It's been awhile! I remember going through these formulas to determine these factors. In the first paragraph, the value of Lm is the unbraced length associated with the plastic moment. Lb is the "actual" unbraced length. ...

  • STRUCTURAL ENGINEERING UNLEASHING NEW DISCOVERIES  (A full of Structures Universe / begins with a Structure) ON this day , We are Celebrating St r uctural Engineering with the Mt Wilson Telescope and the Astronomer Edwin Hubble,  born ...

  • Chris, this is a very interesting perspective. As someone that came along during the transition from hand calcs to structural modeling, there is the perception that there are "new" equations, procedures and more accuracy when it things hardly ever deviate ...

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  • Live load and equiv alent dead load  for easy calculation. It's having a negative effect on computer aided design. Defficult to distinguish DL and EqDL of LL ------------------------------ Alex Thomas R.Eng, C.Eng, M.ASCE Engineer Ajit Associates+Acd ...

  • Hello Anas, I may be missing something, but it seems to me that the geometric change between floors does not affect the lateral system.  The columns which slope appear to be gravity-only. My understanding is that the weak direction of those red core ...

  • I am happy to share my experience with you  I appreciate your help , Regards , ------------------------------ Anas Dawas Aff.M.ASCE Engineer RAK ------------------------------

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  • Dear Abuelgasim, For your case the best book out there is Structrural Concrete : Theory and Design by M.Nadim Hassound and Akthem Al- Manaseer. A lot of practical examples for you to start. ------------------------------ Wilson Manu Ph.D., Aff.M.ASCE ...

  • Material compatibility Dissimilar metals The many aspects of torsion (i.e., warping vs. pure, shear centers, etc.) Going through some of the latest Steel Construction Manuals, a lot of the things I had to research when early on. Vibration and Frequency ...

  • The focus on considering climatic aspects while practicing architecture has always been an inseparable part. However, deviations are often noticed too during the rapid urban sprawl. Build spaces not meeting the required attributes, are severely affecting ...

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  • Structures Congress 2023 Call for Papers Closes JUNE 15

    There's only one week left to submit your proposal for Structures Congress 20233! Submit by June 15th for a chance to be a part of the program.
  • Structures Congress 2023 Call for Proposals

    Be part of the program and submit your proposal today to help build a robust technical program for Structures Congress 2023. The deadline to submit is June 15 - don't miss out on this great opportunity and submit today. 

  • Last Call: Encourage students to apply for scholarship to ETS conference by April 25

    Inspire a student - share this great opportunity to learn, network, and explore careers opps to innovate for critical global infrastructure
    Includes complimentary registration, funding for travel/lodging, and informal mentoring
    Students: Learn more and apply by April 25 at
  • Leadership Opportunities

    SEI Young Professional members (35 and younger): These committees need to fill their Secretary position and invite you to apply. SEI Committees provide great opportunities to gain valuable experience, and advance and serve the profession. Learn more and apply by March 31.


    • SEI Board-level Committee on Resilience


    Vision: Promote resilient design in buildings, bridges, and other structures.

    Mission: Advance structural engineering professional practice by developing programs and resources to support engineering professionals working toward enhancing resilience.

    Charge: To direct, oversee, and coordinate SEI’s efforts to enhance resilience for buildings, bridges, and other structures by preparing recommendations for the SEI Board of Governors and SEI Divisions, Committees, and Members.


    Chair: Don Scott, P.E., F.SEI, F.ASCE


    • SEI Board-level Committee on Performance-Based Design

    Purpose: To advance the structural engineering profession toward performance-based design through development of guides, prestandards, and educational resources; advocacy; and other activities.

    Chair: Don Dusenberry, P.E., F.SEI, F.ASCE

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