The 350 Mission Project

Design of an earthquake resistant, cost effective innovative system

  1. Concept
  2. Solution
  3. Result
  • Concept

    Earthquake Resistant System

    Earthquake Resistant System

    The damages of earthquake loads on structures have been a major issue for structural designers. As of 2000, the global community has observed earthquakes the likes of the December 26, 2004 Indian Ocean earthquake in Indonesia that took the lives of 230,210+ people with a magnitude of 9.1-9.3 on the Richter scale. In addition, the January 12, 2010 Haiti Earthquake that took the lives of an estimated 100,000 –316,000 people with a magnitude of 7.0 on the Richter scale. These events and many others have demonstrated the need for special attention to seismic design especially in urban high seismic zones. In this project, the team used the guidelines of the 2014 AEI competition to design a structural system that is earthquake resistant, cost-effective, innovative, and environmentally sensitive.

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  • Solution

    Structural System

    Structural System

    We decided to design a structural system that uses four buckling restrained braced frames, shear walls at the North, South, and East corners of the building, and a shear wall core. These elements will constitute the lateral-force resisting system for the structure. We used reinforced concrete in the four underground levels that will serve as a parking garage for our building. In an effort to reduce the cost of the project and the weight of the structure, the team will use composite design for the steel members.

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  • Result

    Results

    Results

    By using RAM Structural, Sage Estimating, and Hand calculations, the team was able to select appropriate member sizes that satisfied requirements set by California Building Code, ASCE 07-10, ACI 318, and AISC 2011. Steel beam and column sizes range from W8-W36 members. Concrete beams and columns are designed to be 12”X20”.The final cost of the structure is about $25,000,000.00.

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