3 7 1 1 M a r k... Philadelphia, PA
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3711 Market Street Philadelphia, PA Zachary Yarnall l Structural Option AE Senior Thesis l Spring 2010 Faculty Consultant l Professor Parfitt 3711 Market Street Philadelphia, PA Existing Building Information Outline Problem Statement & Solution Structural Depth Construction Management Breadth Study Conclusions Acknowledgements Questions and Comments Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Existing Building Information Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Project Goals Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Structural Depth Study Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Design Loads Dead Loads light weight concrete 115 pcf partitions M.E.P. Finishes and misc. Roof Deck Rigid insulation 20 psf 5 psf 3 psf 2.6 psf 4 psf Live loads corridors, lobbies, & exits labs / offices Garage Mech. equip. rooms Roof 100 psf 100psf 40 psf 150 psf 30 psf Design Loads ASCE 7-05 Live load values Superimposed load values Vulcraft Catalog: composite steel decking dead load 43 psf Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Lateral Loads Wind load North/South Direction Base Shear 1.6(419)= 670 kips East/West Direction Base Shear 1.6(305)= 488 kips • Seismic load Base Shear 838 kips • Governing lateral load V seismic = 838 kips > V wind = 670 kips Lateral Loads ASCE 7-05 For wind loads: Section 6.5: method 2 For seismic loads: Chapters 11 - 12 Equivalent Lateral Force Procedure Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA ETABS computer modeling Lateral system was modeled and designed Diaphragms were assumed to be rigid All seismic forces were applied at the center of mass Braces were assumed to be pinned at both ends Lateral beams were assumed to be fixed at both ends Modeling of all beam and column elements took loading deformations into account Seismic drift was determined based on ASCE7-05 Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA New Lateral System Design Existing Building Information Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments 3711 Market Street Philadelphia, PA Existing Building Information 3711 Market Street Philadelphia, PA Project Goals Drift Checks Structural Depth Controlling Seismic Drift: North-South Direction Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Story Story Height (ft) Story Drift (in) 11 10 9 8 7 6 5 4 3 2 1 14.67 14.67 14.67 14.67 14.67 13.33 10 10 10 10 13.5 0.52000 0.48000 0.42000 0.35000 0.29000 0.24000 0.18000 0.13000 0.09000 0.06000 0.03000 Allowable Story Drift ∆seismic = 0.015*hx (in) ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ 2.64060 2.64060 2.64060 2.64060 2.64060 2.39940 1.80000 1.80000 1.80000 1.80000 2.43000 acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable Controlling Seismic Drift: East-West Direction Total Drift (in) Story 2.76010 2.24010 1.76010 1.34010 0.99010 0.70010 0.46010 0.28010 0.15010 0.06010 0.00010 11 10 9 8 7 6 5 4 3 2 1 Allowable Story Drift ∆seismic = 0.015*hx (in) Story Story Drift Height (ft) (in) 14.67 14.67 14.67 14.67 14.67 13.33 10 10 10 10 13.5 1.01000 0.98000 0.90000 0.80000 0.64000 0.51000 0.41000 0.32000 0.24000 0.16000 0.09000 ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ 2.64060 2.64060 2.64060 2.64060 2.64060 2.39940 1.80000 1.80000 1.80000 1.80000 2.43000 acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable acceptable Total Drift (in) 5.97046 4.96046 3.98046 3.08046 2.28046 1.64046 1.13046 0.72046 0.40046 0.16046 0.00046 Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Construction Management Breadth 3711 Market Street Existing Building Information Philadelphia, PA Project Goals Cost comparison of the existing and new design of the lateral system Structural Depth Existing Lateral Sytem New Lateral Sytem Construction Management Breadth Topic Conclusions Acknowledgements Total Structural Steel Cost: $500,276.86 Total Difference in Cost: $182,476.63 Total Steel Cost: $203,274.76 Total Concrete Cost: $114,525.47 Total Lateral System Cost: $317,800.23 Questions and Comments • The total costs incl ude l ocation, design contingency , escal ati on contingency , insurance, bonds and ov erhead & profits factors 3711 Market Street Existing Building Information Philadelphia, PA Project Goals Schedule comparison of the existing and new design of the lateral system Structural Depth Construction Management Breadth Topic Conclusions Existing (hrs) Redesign (hrs) Beams 7.63 3.63 Braces 71.86 24.1 Columns 4.86 2.09 Shear Walls - 629.61 Total Hours 84.34 659.43 2.1 16.5 Weeks Acknowledgements Questions and Comments • Duration difference in weeks 14.4 Percent Difference 1278.95% Th e t o t a l h o u r s t a k e i n t o c o n s i d e r a t i o n t h e q u a n t i t y o f m e m b e r s , l a b o r h o u r s , f i n i s h e s , f o r m wo r k , r e i n f o r c e m e n t , a n d c u r i n g t i m e . Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Conclusions Existing Building Information Project Goals 3711 Market Street Philadelphia, PA Constantine G. Doukakis Construction Management Breadth Topic Acknowledgements Questions and Comments Robert W. McCauley Keast & Hood Co.: Structural Depth Conclusions Ueland Junker McCauley Nicholson LLC: The Pennsylvania State University: Acknowledgements Prof. M. K. Parfitt Dr. Ali M. Memari Dr. Andres Lepage Prof. Robert Holland The entire AE faculty and Staff A special thanks to my family, friends, and peers for all their support and assistance. 3711 Market Street Existing Building Information Philadelphia, PA Project Goals Structural Depth Construction Management Breadth Topic Conclusions Acknowledgements Questions and Comments Questions and Comments
