AE Senior Thesis 2004 AE Senior Thesis 2004 University of Cincinnati Athletic Center Structural Redesign of a Perimeter Structural Redesign of a Perimeter Diagrid Diagrid Lateral System ateral System Brian Genduso Structural Option
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Building Introduction General Information Multi-use 8 stories - 220,000 ft 2 $50.7 million Design Architect – Bernard Tschumi Architects, New York Design Engineer – Arup, New York Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Building Introduction Site University of Cincinnati “Varsity Village” – Cincinnati, Ohio Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Building Introduction Architectural Layout Curved perimeter 5-story atrium Partially above existing facilities N Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural System Description Diagrid Triangulated “deep beam” frame Functions as both gravity and lateral system Constructed from steel wide flange shapes Welded or bolted for full rigidity Fully insulated and clad in precast concrete Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural System Description V Columns Fabricated from heavy wide-flanges or built-up boxes Rigidly connect to the diagrid and substructure Help transfer lateral load, primarily in North-South direction Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural System Description Braced Frames Four types Help carry lateral load from bottom of diagrid to foundation East-West direction only Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Problem Statement Three main concerns Heavy diagrid Connection intensive Limited views Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Problem Statement Goals Address the three main concerns 1) Reduce structure weight 2) Reduce connection complexity 3) Maximize viewable window space Additionally Increase overall structural efficiency Decrease overall building cost Ensure construction feasibility Minimize interior impact Maintain building shape Maintain floor height Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Design Philosophy Become an “architect-engineer” Innovative architecture demands innovative Aesthetic quality engineering solutions! Practical application Unique yet sensible Alter the look and feel Maintain shape, height, space layout Brian Gendus Bri n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Redesign Approach Solution Area Concept Solution Area I - Changing the material Solution Area II – Modifying the geometry Solution Area III – Removing it altogether Progressively disruptive! Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Redesign Approach Breadth Areas Daylighting Study Façade will change Attempt to integrate daylighting into new exterior Qualitative assessment Construction Study Erection sequence Material layout planning Not discussed Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Topic Outline 1) 1) Building Introduction Building Introduction 2) 2) Structural System Description Structural System Description 3) 3) Problem Statement Problem Statement 4) 4) Design Philosophy Design Philosophy 5) 5) Redesign Approach Redesign Approach 6) 6) Structural Redesign Structural Redesign 7) 7) Daylighting Daylighting Study tudy 8) 8) Recommendation Recommendation Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 University Univ ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural Redesign 5 different materials Steel wide flange Precast concrete Round/rectangular HSS Cast-in-place concrete Glulam timber Solution Area I Changing the Material of the Diagrid Brian Gendus Bri n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural Redesign Results 100.0 88.6 87.1 90.0 79.4 77.1 80.0 65.7 70.0 60.0 Score 50.0 40.0 30.0 20.0 10.0 0.0 Wide Flanges HSS Glulam Timber Precast Cast-in-place Material Stick with steel wide flanges Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural Redesign Two main ways to accomplish this: 1) Open up the grid 2) Adjust configuration Solution Area II Modifying the Diagrid Geometry John Hancock Center Central China Television Tower Brian Gendus Bri n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural Redesign Configurations 3 3 3 3 0 1 2 3 4 5a 5b 5c 6 Bri Brian Gendus n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
Structural Redesign Considerations Structural Efficiency Structural Stability Architectural Impact Floor Framing Impact Material Cost Complexity Brian Gendus Bri n Genduso – o – AE Seni E Senior The or Thesis 2004 2004 Univ University ersity of Cincinnati Athletic Cente of Cincinnati Athletic Center
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