Caitlin Behm as a part of Structural Option The Nemours Foundation - - PowerPoint PPT Presentation

▶
caitlin behm
SMART_READER_LITE
LIVE PREVIEW

Caitlin Behm as a part of Structural Option The Nemours Foundation - - PowerPoint PPT Presentation

Nov 01, 2023 115 likes •317 views

Nemours Childrens 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

slide-1
SLIDE 1

Caitlin Behm

Structural Option Senior Thesis Advisor: Dr. Boothby

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

slide-2
SLIDE 2

Presentation Outline

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Courtesy: The Nemours Foundation Courtesy: Oxblue.com Courtesy: Oxblue.com Courtesy: Oxblue.com

slide-3
SLIDE 3

Introduction

Project Team

Owner: The Nemours Foundation Construction Manager: Skanska USA Building Architect: Stanley Beaman & Sears

Perkins + Will

Landscape Architect: AECOM Structural Designer: Simpson, Gumpertz, & Heger Civil Engineer: Harris Civil Engineers MEP: TLC Engineering for Architecture

Presentation Outline

bing.com Courtesy: Noel Rodriguez Courtesy: The Nemours Foundation

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Caitlin Behm l Structural Option Slide 3

slide-4
SLIDE 4

Introduction

Enhanced Hurricane Protection Area (EHPA)

“ The EHPA shall provide emergency shelter and protection for people for a period of up to 8 hours during a hurricane”

  • Florida Building Code

Presentation Outline

  • xleydoors.co.uk

thermalindustries.com elastek.com

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 4

Courtesy: SGH Courtesy: SGH

slide-5
SLIDE 5

Presentation Outline Existing Structural System

Hospital Clinic Hospital Clinic Shear Wall Core

Courtesy: SGH

Hospital Clinic Expansion Joint

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 5

slide-6
SLIDE 6

Presentation Outline Existing Structural System

Courtesy: SGH Courtesy: SGH

Hospital Clinic

Courtesy: SGH Courtesy: SGH Courtesy: SGH

Floor System Building Façade Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 6

slide-7
SLIDE 7

Problem Statement Presentation Outline

  • Restricted floor plan flexibility
  • Coordination with MEP systems
  • Additional formwork required for drop panels
  • Extremely high design wind speed

Hospital Clinic

Courtesy: The Nemours Foundation Courtesy: SGH

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 7

Courtesy: SGH

slide-8
SLIDE 8

Presentation Outline Proposed Solution

Design Goals

  • Analyze feasibility of concrete

moment frames

  • Increase amount of useable

space per floor

  • Eliminate drop panels
  • Evaluate louvers for

daylighting control and EHPA criteria Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 8

Courtesy: SGH

Flat Plate System Concrete Moment Frames

slide-9
SLIDE 9

Presentation Outline Proposed Solution

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 9

Design Goals

  • Analyze feasibility of concrete

moment frames

  • Increase amount of useable

space per floor

  • Eliminate drop panels
  • Evaluate louvers for

daylighting control and EHPA criteria

Courtesy: SGH Courtesy: SGH Lutron.com

slide-10
SLIDE 10

Presentation Outline Thesis Redesign

Moment Frame Research

  • < 8-10 stories
  • Flat plate study
  • Recommended β-value

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 10

Table 13-7 Recommended α and β values for the flexural stiffness of slab-beam elements

Region of the slab α-value β-value (for effective width αl2) (for Ie = βIg) Positive bending regions 0.5 0.5 Negative bending regions 0.5, for gravity analysis only (interior columns) 0.5 0.33, for lateral-load analysis Negative bending regions 0.2 to 0.5 (exterior columns) (function of edge beam stiffness) 0.33

Wight & MacGregor 2008 Courtesy: SGH

slide-11
SLIDE 11

sercc.com ASCE 7-05

Presentation Outline Thesis Redesign

Max Wind Speed: 79 mph (based on 1 min avg)

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 11

Courtesy: SGH

Wind Research

Max Wind Speed: 102 mph (based on 3s gust)

slide-12
SLIDE 12

Presentation Outline Thesis Redesign

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Clinic Expansion Joint

Caitlin Behm l Structural Option Slide 12

Portal Frame Method

  • Lateral only analysis
  • Moment transfer
  • Shear solutions

Courtesy: SGH Wight & MacGregor 2008

Structure Point

  • Moments from portal method
  • Column & slab studies
  • Gravity only analysis
slide-13
SLIDE 13

Presentation Outline Thesis Redesign

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Clinic Expansion Joint

Caitlin Behm l Structural Option Slide 13

SAP

  • Column sizes from spColumn
  • Link element
  • Lateral and gravity analysis

ETABS

  • Two models
  • Lateral and gravity analysis
  • Capacity checks
  • Deflection check

Conclusion

Edge beams with flat plate slab With 110 mph wind design speed

slide-14
SLIDE 14

Presentation Outline Daylighting Analysis

Courtesy: SGH Courtesy: The Nemours Foundation Courtesy: SGH Courtesy: SGH Courtesy: SGH

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 14

slide-15
SLIDE 15

Presentation Outline Daylighting Analysis

Summer Solstice

9 AM 11 AM 1 PM 3 PM 5 PM

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 15

slide-16
SLIDE 16

Presentation Outline Daylighting Analysis

Winter Solstice

9 AM 11 AM 1 PM 3 PM 5 PM

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 16

slide-17
SLIDE 17

Presentation Outline Daylighting Analysis

Lutron.com Lutron.com Lutron.com Lutron.com Lutron.com

Sheer Dim-Out Blackout

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 17

slide-18
SLIDE 18

Presentation Outline Conclusion

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Caitlin Behm l Structural Option Slide 18

Summary

  • Concrete moment frames not feasible for 157 mph
  • Shear studs or edge beams required for moment transfer
  • Edge beams required to mitigate excessive deflection
  • Louvers not adequate for winter solstice
  • Instead, use interior sun shades, also meeting EHPA criteria

Wight & MacGregor 2008 Courtesy: SGH Lutron.com

slide-19
SLIDE 19

Presentation Outline

Nemours Foundation Simpson Gumpertz & Heger

  • Cynthia Staats
  • Michael Bolduc

The Pennsylvania State University Architectural Engineering Department

  • Advisor: Dr. Thomas Boothby

Family and friends

Comments

  • or -

Questions?

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Acknowledgements

Caitlin Behm l Structural Option Slide 19

slide-20
SLIDE 20

Presentation Outline

Introduction Existing Structural System Problem Statement Proposed Solution Thesis Redesign Daylighting Analysis Conclusion

Nemours Children’s Hospital as a part of The Nemours Foundation

Orlando, Florida

Appendix

Caitlin Behm l Structural Option Slide 20

ETABS Material f’c Ig Column 6 0.7 Slab (72” wide) 5 0.25 ***pinned base *** shell element SAP Material f’c I Column 6 0.7 Slab (72” wide) 5 Ie=0.25 Ig=0.25 ***pinned base *** shell element Deflection SAP (in) ETABS (in) Story 6 2.92 3.38 Story 5 2.50 3.21 Story 4 1.99 2.93 Story 3 1.46 2.52 Story 2 0.93 1.98 Story 1 0.41 0.87 Code Limit 2.93

Ordinary concrete shear wall: R=5 Ordinary concrete moment frame: R=3