Chichica Footbridge Team iDesign: Panama 2011 December 8, 2011 - - PowerPoint PPT Presentation

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Chichica Footbridge Team iDesign: Panama 2011 December 8, 2011 - - PowerPoint PPT Presentation

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Chichica Footbridge Team iDesign: Panama 2011 December 8, 2011 Michigan Technological University Michael Rood Deanna Larson Yingying Jin Haobo Ma Stephanie Watts-Garcia Outline Background Project Scope While We Were There

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Chichica Footbridge Team

iDesign: Panama 2011

Michael Rood Deanna Larson Yingying Jin Haobo Ma Stephanie Watts-Garcia December 8, 2011 Michigan Technological University

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Outline

  • Background
  • Project Scope
  • While We Were There
  • Design Considerations
  • Components
  • Logistics
  • What Happens Next
  • Conclusion
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Where We Were

PANAMA

http://www.justmaps.org/

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Regions of Panama

Panama – 9 provinces & 3 Comarcas

http://www.lonelyplanet.com/maps/central-america/panama

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Project Location

http://www.lonelyplanet.com/maps/central-america/panama

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CHICHICA TIJERA

Crossing

  • 1300 inhabitants
  • Government Offices
  • High school and University
  • Road to Tole
  • 700 inhabitants
  • Elementary school
  • Main trail from

Tijera to Chichica

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People of Tijera and Chichica

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Why a Bridge?

  • Water level fluctuates
  • Rainy season
  • School
  • Government offices
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Project Goals

“… to design a sustainable and inexpensive footbridge for the communities of Chichica and Tijera.”

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How We Lived

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On Location

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Community Requests

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Community Requests

CHICHICA TIJERA

Crossing

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Data Collection

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Design Process

START FINISH

Site & River Conditions Constraining Parameters Component Design

Survey, Design and Construction of Trail Suspension Bridges for Remote Areas. LRFD Guide Specifications for Design of Pedestrian Bridges

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Site & River Conditions

UPSTREAM VIEW DOWNSTREAM VIEW

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Bridge Type

Suspension Bridge Suspended Bridge

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Hydrology

  • High water level
  • 4,093 cfs
  • 8.74 ft vs. 12.97 ft
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Erosion

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Constraining Parameters

  • Anticipated loadings
  • Soil capacity

LRFD Guide Specifications for Design of Pedestrian Bridges

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Footbridge Components

  • Cables
  • Towers
  • Foundations & Anchorages
  • Suspenders & Walkway

http://www.arch.cuhk.edu.hk/server1/staff1/edward/www/b2c/en/link/it_transport_manual_part1.pdf

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Footbridge Components

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Cables

  • Main
  • Spanning
  • Fixation
  • Handrail

Fixation Cable Handrail Cable Main Cable Spanning Cable

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Towers

  • Steel Towers
  • Height: 30.37ft
  • Loading Cases
  • Tower capacity

Buckling Yielding

Survey, Design and Construction of Trail Suspension Bridges for Remote Areas.

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Foundations & Anchorages

  • Masonry and Concrete
  • Block size
  • Safety against Sliding and Bearing failure

Size: 14.5’ x 16’ x 10’ (4’) Size: 14’ x 18.5’ x 13’

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  • Steel and Timber
  • Suspenders sized for cable shape
  • Walkway decking check

Suspenders & Walkway

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<http://www.bridgestoprosperity.org/Resources/bridge-manuals/bridge-manuals.htm>.

  • Transportation
  • Fabrication
  • Equipment
  • Local labor skill

Logistics

David Chichica Tole Santiago

http://maps.google.com

60 miles 60 miles

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Construction Schedule

  • 119 Days (20 weeks,5 months)
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Cost Estimate

  • Total Cost--$67,000
  • Material Cost
  • Labor
  • Equipment
  • With Donations--$43,000
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What Happens Next

  • Report
  • Construction Schedule
  • Construction Reference Material
  • Design Drawings
  • Parts Lists

http://jr1212.wordpress.com/

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Conclusion

“… to design a sustainable and inexpensive footbridge for the communities of Chichica and Tijera.”

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Acknowledgements

ISD Advisors:

  • Dr. David Watkins

Michael T. Drewyor, PE, PS Peace Corps Volunteers: Jessica Rudder Chris Kingsley Others:

  • Dr. Stanley J. Vitton
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Google Maps. Web. 15 Sept. 2011. <http://maps.google.com/maps?hl=en>. Krahenbuhl, J., Wagner, A. Survey, Design and Construction of Trail Suspension Bridges for Remote Areas. B. Gallen, Switzerland: SKAT, 1983. Print. LRFD Guide Specifications for Design of Pedestrian Bridges, American Association of State Highway and Transportation Officials, Washington, DC. La Viajera Encantada. Web. 01 Dec. 2011. <http://jr1212.wordpress.com/>. Map of Panama. Web. 30 Nov. 2011. <http://www.lonelyplanet.com/maps/central-america/panama/>. Rodier, J. A., M. Roche, and Reginald W. Herschy. World Catalogue of Maximum Observed Floods / Répertoire Mondial Des Crues Maximales Observées / Composé [i.e. Revisé] Par Reg

  • Herschy. Wallingford, Oxfordshire: International Association of Hydrological Sciences, 1984.

Print. World Maps. Web. 01 Dec. 2011. <http://www.justmaps.org/>. 2005 National Design Specification (NDS) for Wood Construction. American Forest & Paper Association: American Wood Council,2005. Washington, D.C.

References

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