Nemours Children’s Hospital Caitlin Behm as a part of Structural Option The Nemours Foundation Senior Thesis Orlando, Florida Advisor: Dr. Boothby
Presentation Outline Courtesy: Oxblue.com Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Courtesy: Oxblue.com Courtesy: Oxblue.com Daylighting Analysis Conclusion Courtesy: The Nemours Foundation
Presentation Nemours Children’s Hospital as a part of Introduction The Nemours Foundation Outline Orlando, Florida bing.com Introduction Courtesy: Noel Rodriguez Project Team Existing Structural System Problem Statement Owner: The Nemours Foundation Proposed Solution Construction Manager: Skanska USA Building Thesis Redesign Architect: Stanley Beaman & Sears Perkins + Will Daylighting Analysis Landscape Architect: AECOM Structural Designer: Simpson, Gumpertz, & Heger Conclusion Civil Engineer: Harris Civil Engineers MEP: TLC Engineering for Architecture Caitlin Behm l Structural Option Slide 3 Courtesy: The Nemours Foundation
Presentation Nemours Children’s Hospital as a part of Introduction The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Problem Statement Enhanced Hurricane Protection Area (EHPA) Proposed Solution elastek.com Thesis Redesign “ The EHPA shall provide emergency shelter thermalindustries.com and protection for people for a period of up to Daylighting Analysis Courtesy: SGH 8 hours during a hurricane” Conclusion - Florida Building Code Courtesy: SGH Caitlin Behm l Structural Option Slide 4 oxleydoors.co.uk
Presentation Nemours Children’s Hospital as a part of Existing Structural System The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Shear Wall Expansion Joint Core Problem Statement Proposed Solution Hospital Thesis Redesign Hospital Clinic Daylighting Analysis Hospital Conclusion Clinic Clinic Caitlin Behm l Structural Option Slide 5 Courtesy: SGH
Presentation Nemours Children’s Hospital as a part of Existing Structural System The Nemours Foundation Outline Orlando, Florida Introduction Courtesy: SGH Existing Structural System Building Problem Statement Façade Proposed Solution Hospital Thesis Redesign Courtesy: SGH Daylighting Analysis Conclusion Floor System Courtesy: SGH Courtesy: SGH Courtesy: SGH Clinic Caitlin Behm l Structural Option Slide 6
Presentation Nemours Children’s Hospital as a part of Problem Statement The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Problem Statement Courtesy: The Nemours Foundation • Restricted floor plan flexibility Proposed Solution • Coordination with MEP systems Thesis Redesign • Additional formwork required for drop panels • Extremely high design wind speed Daylighting Analysis Hospital Conclusion Courtesy: SGH Courtesy: SGH Clinic Caitlin Behm l Structural Option Slide 7
Presentation Nemours Children’s Hospital as a part of Proposed Solution The Nemours Foundation Outline Orlando, Florida Introduction Design Goals Existing Structural System Flat Plate System • Analyze feasibility of concrete Problem Statement moment frames Proposed Solution Concrete Moment • Increase amount of useable Thesis Redesign Frames space per floor Daylighting Analysis • Eliminate drop panels Conclusion • Evaluate louvers for daylighting control and EHPA criteria Courtesy: SGH Caitlin Behm l Structural Option Slide 8
Presentation Nemours Children’s Hospital as a part of Proposed Solution The Nemours Foundation Outline Orlando, Florida Introduction Design Goals Existing Structural System • Analyze feasibility of concrete Problem Statement moment frames Proposed Solution • Increase amount of useable Lutron.com Thesis Redesign space per floor Daylighting Analysis • Eliminate drop panels Conclusion Courtesy: SGH • Evaluate louvers for daylighting control and EHPA criteria Courtesy: SGH Caitlin Behm l Structural Option Slide 9
Presentation Nemours Children’s Hospital as a part of Thesis Redesign The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Table 13-7 Recommended α and β values for the flexural Problem Statement stiffness of slab-beam elements α -value β -value Region of the slab Moment Frame Research Proposed Solution (for effective width α l 2 ) (for I e = β I g ) Thesis Redesign Positive bending regions 0.5 0.5 • < 8-10 stories Negative bending regions 0.5, for gravity analysis only • Flat plate study Daylighting Analysis (interior columns) 0.5 0.33, for lateral-load analysis • Recommended β -value Negative bending regions 0.2 to 0.5 Conclusion (exterior columns) (function of edge beam 0.33 stiffness) Wight & MacGregor 2008 Courtesy: SGH Caitlin Behm l Structural Option Slide 10
Presentation Nemours Children’s Hospital as a part of Thesis Redesign The Nemours Foundation Outline Orlando, Florida Introduction Wind Research Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion sercc.com ASCE 7-05 Max Wind Speed: 79 mph Max Wind Speed: 102 mph Courtesy: SGH (based on 3s gust) (based on 1 min avg) Caitlin Behm l Structural Option Slide 11
Presentation Nemours Children’s Hospital as a part of Thesis Redesign The Nemours Foundation Outline Orlando, Florida Introduction Expansion Joint Portal Frame Method Existing Structural System • Lateral only analysis Problem Statement Clinic • Moment transfer Proposed Solution • Shear solutions Thesis Redesign Structure Point Daylighting Analysis • Moments from portal method Conclusion • Column & slab studies • Gravity only analysis Wight & MacGregor Courtesy: SGH Caitlin Behm l Structural Option Slide 12 2008
Presentation Nemours Children’s Hospital as a part of Thesis Redesign The Nemours Foundation Outline Orlando, Florida Introduction ETABS Expansion Joint Existing Structural System • Two models Problem Statement • Lateral and gravity analysis Clinic • Capacity checks Proposed Solution • Deflection check Thesis Redesign Daylighting Analysis SAP Conclusion Conclusion • Column sizes from spColumn • Link element Edge beams with flat plate slab • Lateral and gravity analysis With 110 mph wind design speed Caitlin Behm l Structural Option Slide 13
Presentation Nemours Children’s Hospital as a part of Daylighting Analysis The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Problem Statement Courtesy: The Courtesy: SGH Nemours Foundation Proposed Solution Thesis Redesign Daylighting Analysis Conclusion Courtesy: SGH Caitlin Behm l Structural Option Slide 14 Courtesy: SGH Courtesy: SGH
Presentation Nemours Children’s Hospital as a part of Daylighting Analysis The Nemours Foundation Outline Orlando, Florida Introduction Summer Solstice Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion 9 AM 11 AM 1 PM 3 PM 5 PM Caitlin Behm l Structural Option Slide 15
Presentation Nemours Children’s Hospital as a part of Daylighting Analysis The Nemours Foundation Outline Orlando, Florida Introduction Winter Solstice Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion 9 AM 11 AM 1 PM 3 PM 5 PM Caitlin Behm l Structural Option Slide 16
Presentation Nemours Children’s Hospital as a part of Daylighting Analysis The Nemours Foundation Outline Orlando, Florida Lutron.com Introduction Lutron.com Existing Structural System Sheer Problem Statement Proposed Solution Lutron.com Thesis Redesign Dim-Out Daylighting Analysis Conclusion Lutron.com Blackout Lutron.com Caitlin Behm l Structural Option Slide 17
Presentation Nemours Children’s Hospital as a part of Conclusion The Nemours Foundation Outline Orlando, Florida Introduction Summary Existing Structural System Problem Statement • Concrete moment frames not feasible for 157 mph Proposed Solution • Shear studs or edge beams required for moment transfer Thesis Redesign Courtesy: SGH Wight & MacGregor 2008 • Edge beams required to mitigate excessive deflection Daylighting Analysis Lutron.com Conclusion • Louvers not adequate for winter solstice • Instead, use interior sun shades, also meeting EHPA criteria Caitlin Behm l Structural Option Slide 18
Presentation Nemours Children’s Hospital as a part of Acknowledgements The Nemours Foundation Outline Orlando, Florida Introduction Existing Structural System Nemours Foundation Problem Statement Simpson Gumpertz & Heger Proposed Solution Comments -Cynthia Staats - or - -Michael Bolduc Thesis Redesign The Pennsylvania State University Architectural Questions? Daylighting Analysis Engineering Department -Advisor: Dr. Thomas Boothby Conclusion Family and friends Caitlin Behm l Structural Option Slide 19
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