James G Ladwig Newcastle Institute for Research in Education
James C. Renick School of Education
description
Transcript of James C. Renick School of Education
![Page 1: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/1.jpg)
James C. Renick School of EducationJames C. Renick School of Education
PSU AE Senior Thesis 2006 Mick Leso - Structural
North Carolina A&T State University - Greensboro
![Page 2: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/2.jpg)
IntroductionIntroductionLocation
Existing Conditions
Structural System
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
Owner North Carolina A&T State University Architect The Freelon Group Structural Stewart Engineering, Inc. MEP RMF Engineering, Inc. LArch Sasaki Associates, Inc. Lighting Light Defines Form
PROJECT TEAM
![Page 3: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/3.jpg)
IntroductionIntroductionLocation
Existing Conditions
Structural System
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
64,000 sq. ft.
Education/Administrative Use
3 Stories Above Grade
Total Height: 48’-2”
Predicted Cost: $14 million
Construction: Summer ’06-Fall ’07
BUILDING STATISTICS
2 Boilers running at 60% 250 Ton, Water-Cooled, Rotary Screw Chiller
(2) 2000 kVA transformers 750 kW Standby Diesel Generator
![Page 4: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/4.jpg)
Existing ConditionsExisting Conditions
Location
Introduction
Structural System
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
ARCHITECTURAL FEATURES
52’-6” Long, 40’ Wide Cantilever 2 Stories w/ Varying Floor-to-Floor Height 13’-4” Pedestrian Clearance
17’
14’-2”
12’-6”
![Page 5: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/5.jpg)
Existing ConditionsExisting Conditions
Location
Introduction
Structural System
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
ARCHITECTURAL FEATURES
Exterior Façades
Norman Brick
Classroom Ribbon Windows
Exposed RivetsConcrete Panels
w/
Slate Panels
Steel Cantilever Truss
Glazed Curtain Wall
Aluminum Mesh Sunscreen Fins
![Page 6: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/6.jpg)
Structural SystemStructural System
AE Senior Thesis ’06 Mick Leso - Structural Option
OVERVIEW
Steel Braced Frame on Shallow Foundation Expansion Joint Seismic Loads Control
South Bldg. North Bldg.
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
![Page 7: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/7.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
Preassembled for Speed Construction Splices for Easy Transportation
Splice Locations Splice Locations
![Page 8: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/8.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
W14x211 & W14x90
Girders
Continuous Span
![Page 9: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/9.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
Columns
W14x43
Columns Spliced Each Floor Level
![Page 10: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/10.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
MainColumns
W14x132
![Page 11: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/11.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
Truss Webs
W14x43
Steel Strong in Tension
![Page 12: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/12.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
WIDE FLANGE CANTILEVER TRUSSES
TrussWebs
W14x90
Additional Members in Compression
![Page 13: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/13.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
TRUSS CONNECTIONS Braces
– Cap/Base Plates– Stiffener Plates– Gusset Plates– Assorted Angles– # of Bolts Varies
Splices– 88 Bolts (1” Diameter)– 1½” Thick Plates
![Page 14: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/14.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
HSS RECTANGULAR TUBE BRACING
6”x6”x½” VerticalChevron Braces
8”x8”x¼” Horizontal TubesBelow Each Floor Slab
![Page 15: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/15.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
ADDITIONAL STRUCTURAL ELEMENTS Two 12” Thick Reinforced Concrete Shear Walls
Composite Floor System– 3¼” Lightweight Concrete on 2” Metal Deck– 4” Shear Studs– Typical Beams: W21x44 & W24x55
Shallow Foundation– 3000 psi, Normal Weight Concrete– Range From 1’-6” to 2’-6” Depth
Seven Cylinder-shaped Concrete Caissons– 6’ Diameter, Typically 12’ Deep– Supports Cantilever Columns
![Page 16: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/16.jpg)
Structural SystemStructural System
Location
Introduction
Existing Conditions
Research
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
CANTILEVER STRUCTURE
![Page 17: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/17.jpg)
ResearchResearch
Introduction
Existing Conditions
Structural System
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
CANTILEVERS
Examples– Diving Platforms– Cranes– Cantilever Bridges
• Balance
![Page 18: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/18.jpg)
ResearchResearch
Introduction
Existing Conditions
Structural System
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
FALLINGWATER
Reinforced Concrete Dangerous Deflections Post-Tensioning
![Page 19: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/19.jpg)
ResearchResearch
Introduction
Existing Conditions
Structural System
Proposal
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
CHONGQING PUBLIC LIBRARY
Reinforced Concrete 80’ Wide, 54’ Long
Cantilever Section Concrete Truss System
(dimensions in mm.)
![Page 20: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/20.jpg)
ProposalProposal
Existing Conditions
Structural System
Research
Structural Depth
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
It is reasonable to build? Advantages/Disadvantages? Cost Comparison?
SUPERSTRUCTURE CONSIDERATIONS
Tension Reinforcement
Compression Reinforcement
Balancing Weight
![Page 21: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/21.jpg)
Structural DepthStructural Depth
Structural System
Research
Proposal
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
Four Design Options 25’ Column Spacing Same Floor-Floor
Heights
CONCRETE TRUSS
![Page 22: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/22.jpg)
Structural DepthStructural Depth
Structural System
Research
Proposal
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
Similar to Cantilever Bridgew/ No Tension Members
24”x40” Truss Web Members30”x36” Main Column
24”x24” Girders24”x24” Girders12”x16” Beams12”x12” Columns
CONCRETE TRUSS
![Page 23: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/23.jpg)
Structural DepthStructural Depth
Structural System
Research
Proposal
Cost Analysis
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
EFFECTS ON LATERAL SYSTEM
Concrete Trusses– Act as Lateral Braces– Incredibly Rigid
* Larger Building Weight
Increases Seismic Loads
* Requires Additional Shear
Walls in ⊥ Direction
* Greater Building Weight Means Larger Foundation
![Page 24: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/24.jpg)
Cost AnalysisCost Analysis
Research
Proposal
Structural Depth
Conclusions
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
CONCRETE TRUSS SYSTEM
Values for Greensboro(R.S. Means 2005)
![Page 25: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/25.jpg)
Cost AnalysisCost Analysis
Research
Proposal
Structural Depth
Conclusions
Questions
Values for Greensboro(R.S. Means 2005)
AE Senior Thesis ’06 Mick Leso - Structural Option
COMPARISON
* Total Building Cost:$14,000,000
![Page 26: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/26.jpg)
ConclusionsConclusions
Proposal
Structural Depth
Cost Analysis
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
Steel Braced Frame– Cheaper– Faster, More Precise Construction– Expansion Joint– Use of Composite Floor System
Lighter Superstructure– Seismic Conditions– Smaller Foundation
![Page 27: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/27.jpg)
ConclusionsConclusions
Proposal
Structural Depth
Cost Analysis
Questions
AE Senior Thesis ’06 Mick Leso - Structural Option
Compare Cantilever Designs
Proved Steel Structure is Best
Question the Signature Building
![Page 28: James C. Renick School of Education](https://reader035.fdocuments.in/reader035/viewer/2022062423/5681454a550346895db21a91/html5/thumbnails/28.jpg)
QuestionsQuestions
Structural Depth
Cost Analysis
Conclusions
AE Senior Thesis ’06 Mick Leso - Structural Option