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Nicole Renno
Penn State University Architectural Engineering Senior Thesis Presentation
Market Square Plaza
17 North Second Street Harrisburg, Pennsylvania
Introduction Background Structural Loads Gravity Lateral Connections Enclosure Budget Summary Questions
Market Square Plaza Market Square Plaza
Harrisburg, Pennsylvania Harrisburg, Pennsylvania
Nicole Renno Structural Option
Market Square Plaza
Project Background Structural Redesign
- Loads
- Gravity System
- Lateral System
- Connections
Building Enclosure Budget Summary Questions
Introduction Background Structural Loads Gravity Lateral Connections Enclosure Budget Summary Questions
Market Square Plaza Market Square Plaza
Harrisburg, Pennsylvania Harrisburg, Pennsylvania
Nicole Renno Structural Option
Location
17 North 2nd Street Harrisburg, Pennsylvania
Market Square Plaza Walnut Street Parking garage Hilton Hotel 2nd Street Walnut Street
Introduction Background Structural Loads Gravity Lateral Connections Enclosure Budget Summary Questions
Market Square Plaza Market Square Plaza
Harrisburg, Pennsylvania Harrisburg, Pennsylvania
Nicole Renno Structural Option
Architecture & Overview:
18 stories, 240’ tall 270,000 square feet of usable space Construction – July 2003 to Spring 2005 $28 million estimated cost Function: Retail, parking, and office space
- 1st Floor – Retail and restaurant space
- 2nd Floor – Transfer trusses span 65’ over Hilton
Hotel Ballroom to create a large, open space
- 3rd to 10th Floors – Parking levels accessed from
adjacent existing parking garage
- 11th to 18th Floors – Open plan office space
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Introduction Background Structural Loads Gravity Lateral Connections Enclosure Budget Summary Questions
Market Square Plaza Market Square Plaza
Harrisburg, Pennsylvania Harrisburg, Pennsylvania
Nicole Renno Structural Option
Typical Floorplan: 132’ x 154’
TYPICAL EXTERIOR & INTERIOR BAYS MEMBERS CONTRIBUTING TO MAIN LATERAL RESISTING SYSTEMS 132’−1" 99’−9" 154’ 22’ 32’−4" 132’Introduction Background Structural Loads Gravity Lateral Connections Enclosure Budget Summary Questions
Market Square Plaza Market Square Plaza
Harrisburg, Pennsylvania Harrisburg, Pennsylvania
Nicole Renno Structural Option
Design Codes
Original Design – ASCE 7-95 Redesign – ASCE 7-02
Load Changes
Gravity Loads
- Parking level decreased from 50 psf to 40 psf
Lateral Loads
- Large increases since ASCE 7-95
- Overall drift >1.5 times allowable when analyze
according to ASCE 7-02
- Building site increased from 70 mph wind zone to 90
mph wind zone
- Site Classification Category A eliminated from code