ASCE Student Chapter Presentation New England Congregational - - PowerPoint PPT Presentation

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ASCE Student Chapter Presentation New England Congregational - - PowerPoint PPT Presentation

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ASCE Student Chapter Presentation New England Congregational Churches: Investigation, Analysis, and Repair of Traditional Timber Framing Amy Jagaczewski Engineer GNCB Consulting Engineers, P.C. Old Saybrook, CT Spring 2017 New England

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ASCE Student Chapter Presentation

New England Congregational Churches: Investigation, Analysis, and Repair of Traditional Timber Framing

Amy Jagaczewski Engineer GNCB Consulting Engineers, P.C. Old Saybrook, CT

Spring 2017

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Spring 2017

  • Personal Background & GNCB Profile
  • Congregational Churches
  • Condition Assessment & Documentation
  • Structural Analysis
  • Case Study - Darien Congregational Church

New England Congregational Churches

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Spring 2017

Personal Background

  • B.S.C.E., Structures – Northeastern University 2012
  • Co-op 1: NUWC – Newport, RI
  • Co-op 2: Thornton Tomasetti – Philadelphia, PA
  • Co-op 3: SGH – Waltham, MA
  • E.I.T. October (2011)
  • GNCB Consulting Engineers, P.C. – 2012 to Present
  • M.S.C.E., Structures – UCONN (2016)
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GNCB Firm Profile

  • Old Saybrook, CT (52 years)
  • 11 Team Members
  • Structural, Geotechnical, Preservation
  • Wide Range of Projects
  • Academic
  • Residential
  • Religious
  • Healthcare
  • Commercial
  • Municipal
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Spring 2017

Congregational Churches

  • Traditional Timber Framing
  • Common Components
  • Structural Engineering + Preservation

Woodbridge Congregational Church, CT (1832) Madison Congregational Church, CT (1837)

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Congregational Churches – Layout

STEEPLE RECTANGLE W/ GABLE ROOF PORTICO STONE FOUNDATION BALCONY

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Congregational Churches – Attic/Roof

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Condition Assessment & Documentation

  • Species Identification & Visual Grading
  • Deterioration
  • Members & Connections

OAK PINE

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Condition Assessment & Documentation

  • Insect Deterioration

POWDER POST TERMITE

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Condition Assessment & Documentation

  • Moisture Deterioration

CUBICAL BROWN ROT FUNGI

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Condition Assessment & Documentation

  • Man-Made Deterioration

HOLES “REPAIRS”

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Condition Assessment & Documentation

  • Members and Connections
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Structural Analysis

  • Orthotropic
  • Typical Loads
  • Failure Mechanisms
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Tension Failure – Member

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Tension Failure – Connection

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Repair Methods

  • Consolidation
  • Replace “In-Kind”
  • Wood Reinforcing
  • Steel Reinforcing
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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Darien Congregational Church Darien, CT

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Spring 2017

Darien Congregational Church Darien, CT

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Spring 2017

Darien Congregational Church Darien, CT

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Spring 2017

  • Personal Background & GNCB Profile
  • Congregational Churches
  • Condition Assessment & Documentation
  • Structural Analysis
  • Case Study – Darien Congregational Church

Failures in Traditional Timber Framing

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  • Timber Framers Guild
  • National Society for the Preservation of

Covered Bridges (NSPCB)

  • Association for Preservation Technology

(APT)

Want to Learn More?

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Questions?