Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline...
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Transcript of Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline...
![Page 1: Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline Introduction Base Steel Redesign Progressive Collapse Tie.](https://reader036.fdocuments.net/reader036/viewer/2022070414/5697c0041a28abf838cc4134/html5/thumbnails/1.jpg)
Introduction120,000 SF
10 Stories (90ft)$40 Million
Aug. 2010 – Dec.2011
Presentation Outline• IntroductionBase Steel RedesignProgressive Collapse
Tie ForceAlternative PathEnhanced Local
ResistanceArchitectural BreadthConclusions
Project Team
Owner: Health ResearchArchitect & Engineer:General Contractor:
![Page 2: Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline Introduction Base Steel Redesign Progressive Collapse Tie.](https://reader036.fdocuments.net/reader036/viewer/2022070414/5697c0041a28abf838cc4134/html5/thumbnails/2.jpg)
Presentation OutlineIntroductionBase Steel RedesignProgressive Collapse
Tie Force• Alternative PathEnhanced Local
ResistanceArchitectural BreadthConclusions
Progressive CollapseUFC 4-023: Typical Action
Classifications
Alternative Path Analysis
Interaction Equation
Moment Divided by m-factorExpected Strengths Used
Typical Frames = 6
𝑃𝑟Ω∗𝑃𝑐
+
89 [ 𝑀𝑟𝑥Ω∗𝑀𝑐𝑥
+ 𝑀𝑟𝑦Ω∗𝑀𝑐𝑦 ]
𝑚− 𝑓𝑎𝑐𝑡𝑜𝑟
![Page 3: Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline Introduction Base Steel Redesign Progressive Collapse Tie.](https://reader036.fdocuments.net/reader036/viewer/2022070414/5697c0041a28abf838cc4134/html5/thumbnails/3.jpg)
Presentation OutlineIntroductionBase Steel RedesignProgressive Collapse
Tie Force• Alternative PathEnhanced Local
ResistanceArchitectural BreadthConclusions
Progressive CollapseWest Façade Column
Alternative Path Analysis
![Page 4: Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline Introduction Base Steel Redesign Progressive Collapse Tie.](https://reader036.fdocuments.net/reader036/viewer/2022070414/5697c0041a28abf838cc4134/html5/thumbnails/4.jpg)
Architecture BreadthExisting Interior Atrium View
Presentation OutlineIntroductionBase Steel RedesignProgressive Collapse
Tie ForceAlternative PathEnhanced Local
Resistance• Architectural BreadthConclusions
Atrium Curtain WallRedesigned Interior Atrium View
![Page 5: Introduction 120,000 SF 10 Stories (90ft) $40 Million Aug. 2010 – Dec.2011 Presentation Outline Introduction Base Steel Redesign Progressive Collapse Tie.](https://reader036.fdocuments.net/reader036/viewer/2022070414/5697c0041a28abf838cc4134/html5/thumbnails/5.jpg)
ConclusionsGoals
Presentation OutlineIntroductionBase Steel RedesignProgressive Collapse
Tie ForceAlternative PathEnhanced Local
ResistanceArchitectural Breadth• Conclusions
CostsProgressive Collapse Requirements
Slab Reinforcement: 596% IncreaseColumns: 113% IncreaseBeams: 9.9% Increase
Total Superstructure: 7.4% Increase
Design to UFC criteria Explore impacts of this analysis Minimal architectural impact