ASCE Student Chapter Presentation New England Congregational - PowerPoint PPT Presentation

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 Congregational Churches  Personal Background & GNCB Profile  Congregational Churches  Condition Assessment & Documentation  Structural Analysis  Case Study - Darien Congregational Church 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) Spring 2017

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

Congregational Churches  Traditional Timber Framing  Common Components  Structural Engineering + Preservation Woodbridge Congregational Madison Congregational Church, CT (1832) Church, CT (1837) Spring 2017

Congregational Churches – Layout RECTANGLE W/ STEEPLE GABLE ROOF PORTICO BALCONY STONE FOUNDATION Spring 2017

Congregational Churches – Attic/Roof Spring 2017

Condition Assessment & Documentation  Species Identification & Visual Grading  Deterioration  Members & Connections PINE OAK Spring 2017

Condition Assessment & Documentation - Insect Deterioration POWDER POST TERMITE Spring 2017

Condition Assessment & Documentation - Moisture Deterioration CUBICAL BROWN ROT FUNGI Spring 2017

Condition Assessment & Documentation - Man-Made Deterioration HOLES “REPAIRS” Spring 2017

Condition Assessment & Documentation - Members and Connections Spring 2017

Structural Analysis  Orthotropic  Typical Loads  Failure Mechanisms Spring 2017

Tension Failure – Member Spring 2017

Tension Failure – Connection Spring 2017

Repair Methods  Consolidation  Replace “In - Kind”  Wood Reinforcing  Steel Reinforcing Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Darien Congregational Church Darien, CT Spring 2017

Failures in Traditional Timber Framing  Personal Background & GNCB Profile  Congregational Churches  Condition Assessment & Documentation  Structural Analysis  Case Study – Darien Congregational Church Spring 2017

Want to Learn More?  Timber Framers Guild  National Society for the Preservation of Covered Bridges (NSPCB)  Association for Preservation Technology (APT) Spring 2017

Questions? Spring 2017