Douglas R. Rammer
Research General Engineer
douglas.r.rammer@usda.gov
Treesearch Publications
- Rupesh Uprety, Chris P. Pantelides, Hans-Erick Blomgren, Douglas R. Rammer. 2026. Design and qualification of timber buckling restrained brace for mass timber-braced frames
- Emily Williamson, Chris P. Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2025. Seismic performance and nonlinear model of mass timber buckling restrained braced frame
- Justin M. Dahlberg, James Wacker, Zhengyu Liu, Douglas R. Rammer. 2025. Investigation of the performance of cross-laminated timber deck panels on longitudinal steel bridge girders
- Justin M. Dahlberg, Zhengyu Liu, James Wacker, Douglas R. Rammer. 2025. Investigation of cross-laminated (CLT) decks for bridge applications in the USA
- E. Williamson, C. Pantelides, H.-E Blomgren, Douglas R. Rammer. 2024. Mass Timber Frames with Timber Buckling Restrained Braces
- Bibek Bhardwaj, Weichiang Pang, Michael Stoner, Douglas R. Rammer, Steve Pryor. 2023. Deflection of Cantilever Cross-Laminated Timber Diaphragms Under In-Plane Load
- Emily Williamson, Chris P. Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2023. Design and Cyclic Experiments of a Mass Timber Frame with a Timber Buckling Restrained Brace
- Justin M. Dahlberg, James Wacker, Douglas R. Rammer. 2023. Laboratory investigations of cross-laminated decks for bridge applications
- Emily Wiliamson, Chris P. Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2023. Mass timber braced frames with mass timber buckling restrained braces
- Yu Ding, Zhenqian Pang, Kai Lan, Yuan Yao, Guido Panzarasa, Lin Xu, Marco Lo Ricco, Douglas R. Rammer, Junyong Zhu, Ming Hu, Xuejun Pan, Teng Li, Ingo Burgert, Liangbing Hu. 2023. Emerging Engineered Wood for Building Applications
- Emily Williamson, Chris P. Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2023. Performance of Beam-Column Connections with Mass Ply Lam and Steel Dowels under Cyclic Loads
- John van de Lindt, M. Omar Amini, Douglas R. Rammer, Philip Line, Shiling Pei, Marjan Popovski. 2022. Determination of seismic performance factors for cross-laminated timber shear walls based on FEMA P695 methodology
- Marco Lo Ricco, Douglas R. Rammer, M. Omar Amini, Al Ghorbanpoor, Shiling Pei, Reid B. Zimmerman. 2021. Equivalent lateral force procedure for a building with a self-centering rocking story of cross-laminated timber (CLT) walls.
- Samuel L. Zelinka, Keith Bourne, Nathan J. Bechle, Douglas R. Rammer. 2021. Intermediate-scale test developed to screen adhesive fire performance in glued-laminated timber before full-scale testing
- M. Omar Amini, John W. van de Lindt, Douglas R. Rammer, Shiling Pei. 2021. Rocking Behavior of High-Aspect-Ratio Cross-Laminated Timber Shear Walls: Experimental and Numerical Investigation
- Marco Lo Ricco, Mohamed Omar Amini, Douglas R. Rammer. 2021. Chapter 9: Structural analysis equations
- Douglas R. Rammer. 2021. Chapter 8: Fastenings
- Byrne Miyamoto, Nathan J. Bechle, Douglas R. Rammer, Samuel L. Zelinka. 2021. A Small-Scale Test to Examine Heat Delamination in Cross Laminated Timber (CLT)
- Colton Murphy, Chris P. Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2021. Development of Timber Buckling Restrained Brace for Mass Timber-Braced Frames
- John W. van de Lindt, M. Omar Amini, Douglas R. Rammer, Philip Line, Shiling Pei, Marjan Popovski. 2020. Seismic performance factors for cross-laminated timber shear wall systems in the United States
- Douglas R. Rammer, Tom Williamson. 2020. Performance of structural insulated panel walls under seismic loading
- Samuel L. Zelinka, Byrne Miyamoto, Nathan J. Bechle, Douglas R. Rammer. 2020. Small scale test to measure the strength of adhesives at elevated temperatures for use in evaluating adhesives for cross laminated timber (CLT)
- John W. van de Lindt, Jace Furley, M. Omar Amini, Shiling Pei, Gabriele Tamagnone, Andre R. Barbosa, Douglas R. Rammer, Philip Line, Massimo Fragiacomo, Marjan Popovski. 2019. Experimental seismic behavior of a two-story CLT platform building
- A. R. Kaliyanda, Douglas R. Rammer, R. E. Rowlands. 2019. Three-dimensional nonlinear finite-element analysis of wood–steel bolted joints subjected to large deformations
- Samuel L. Zelinka, Ken Sullivan, Shiling Pei, Noah Ottum, Nathan J. Bechle, Douglas R. Rammer, Laura Hasburgh. 2019. Small scale tests on the performance of adhesives used in cross laminated timber (CLT) at elevated temperatures
- Colton Murphy, Chris Pantelides, Hans-Erik Blomgren, Douglas R. Rammer. 2019. Development of timber buckling-restrained braces for mass timber braced frames
- H.K. Cho, John M. Considine, Douglas R. Rammer, R.E. Rowlands. 2018. Design of Bolted Connection in Composite Beams for Moment Resistance
- Marco Lo Ricco, Al Ghorbanpoor, Douglas R. Rammer, Shiling Pei. 2018. Shaping cross-laminated timber panels to rock and roll as seismic pendulum isolators
- Marco Lo Ricco, Al Ghorbanpoor, Shiling Pei, Douglas R. Rammer, Marshall Begel, James Bridwell, Reid B. Zimmerman. 2018. Prototyping a passively self-centering cross-laminated timber rocking wall system: analytical and experimental investigation
- M. Omar Amini, John W. van de Lindt, Douglas R. Rammer, Shiling Pei, Philip Line, Marjan Popovski. 2018. Systematic experimental investigation to support the development of seismic performance factors for cross laminated timber shear wall systems
- Shiling Pei, John Van de Lindt, Andre R. Barbosa, Jeffrey Berman, Hans-Erik Blomgren, James Dolan, Eric McDonnell, Reid Zimmerman, Massimo Fragiacomo, Douglas R. Rammer. 2018. Full-scale shake table test of a two story mass-timber building with resilient rocking walls
- Samuel L. Zelinka, Shiling Pei, Nathan J. Bechle, Kenneth Sullivan, Noah Ottum, Douglas R. Rammer, Laura Hasburgh. 2018. Performance of wood adhesive for cross laminated timber under elevated temperatures
- Douglas R. Rammer, Samuel L. Zelinka, Laura Hasburgh, Steven T. Craft. 2018. Ability of finger-jointed lumber to maintain load at elevated temperatures
- S. Pei, J.W. van de Lindt, J. Ricles, R. Sause, J. Berman, K. Ryan, J.D. Dolan, A. Buchanan, T. Robinson, E. McDonnell, H. Blomgren, M. Popovski, Douglas R. Rammer. 2017. Development and full-scale validation of resilience-based seismic design of tall wood buildings: the NEHRI Tallwood Project
- Pouria Bahmani, John van de Lindt, Asif Iqbal, Douglas R. Rammer. 2017. Mass timber rocking panel retrofit of a four-story soft-story building with full-scale shake table validation
- S. Pei, J. W. van de Lindt, M. Popovski, J. W. Berman, J. D. Dolan, J. Ricles, R. Sause, H. Blomgren, Douglas R. Rammer. 2016. Cross-laminated timber for seismic regions: progress and challenges for research and implementation
- John van de Lindt, M. Omar Amini, Douglas R. Rammer, Philip Line, Shiling Pei, Marjan Popovski. 2016. Developing seismic performance factors for cross laminated timber in the United States
- John W. van de Lindt, Pouria Bahmani, Gary Mochizuki, Steven E. Pryor, Mikhail Gershfeld, Jingjing Tian, Michael D. Symans, Douglas R. Rammer. 2016. Experimental seismic behavior of a full-scale four-story soft-story wood-frame building with retrofits II: shake table test results
- Pouria Bahmani, John W. van de Lindt, Mikhail Gershfeld, Gary L. Mochizuki, Steven E. Pryor, Douglas R. Rammer. 2016. Experimental seismic behavior of a full-scale four-story soft-story wood-frame building with retrofits I: building design, retrofit methodology, and numerical validation
- Douglas R. Rammer, Philip Line. 2016. Lateral testing of glued laminated timber tudor arch
- T. Ho, T. Dao, S. Aaleti, J. van de Lindt, Douglas R. Rammer. 2016. Hybrid system of unbonded post-tensioned CLT panels and light-frame wood shear walls
- M. Omar Amini, John W. van de Lindt, Douglas R. Rammer, Shiling Pei, Philip Line, Marjan Popovski. 2016. Determination of seismic performance factors for CLT shear wall systems
- Douglas R. Rammer, James Wacker, Travis Hosteng, Justin Dahlberg, Yaohua Deng. 2016. Field testing and structural analysis of Burr arch covered bridges in Pennsylvania
- Shiling Pei, Douglas R. Rammer, Marjan Popovski, Tom Williamson, Philip Line, John W. van de Lindt. 2016. An Overview of CLT Research and Implementation in North America
- Douglas R. Rammer. 2016. Chapter 02218: Wood Mechanical Fasteners
- Vladimir Kochkin, Douglas R. Rammer, Kevin Kauffman, Thomas Wiliamson, Robert J. Ross. 2015. SIP Shear Walls: Cyclic Performance of High-Aspect-Ratio Segments and Perforated Walls
- Douglas R. Rammer, Samuel L. Zelinka. 2015. Withdrawal Strength and Bending Yield Strength of Stainless Steel Nails
- Elaina Jennings, John W. van de Lindt, Ershad Ziaei, Pouria Bahmani, Sangki Park, Xiaoyun Shao, Weichiang Pang, Douglas R. Rammer, Gary Mochizuki, Mikhail Gershfeld. 2015. Full-Scale Experimental Verification of Soft-Story-Only Retrofits of Wood-Frame Buildings using Hybrid Testing
- John W. van de Lindt, Pouria Bahmani, Steven E. Pryor, Gary Mochizuki, Mikhail Gershfeld, Weichiang Pang, Ershad Ziaei, Elaina N. Jennings, Michael D. Symans, Xiaoyun Shao, Jingjing Tian, Douglas R. Rammer. 2014. Overview of the NEES-Soft Experimental Program for Seismic Risk Reduction of Soft-Story Woodframe Buildings
- J.W. van de Lindt, P. Bahmani, E.N. Jennings, W. Pang, E. Ziaei, G. Mochizuki, M. Gershfeld, S. Pryor, X. Shao, M. Symans, J. Tian, Douglas R. Rammer. 2014. Full-scale testing of soft-story woodframe buildings with stiffness-based retrofits
- M. Omar Amini, John W. van de Lindt, Shiling Pei, Douglas R. Rammer, Phil Line, Marjan Popovski. 2014. Overview of a Project to Quantify Seismic Performance Factors for Cross Laminated Timber Structures in the United States
- Shiling Pei, Jeffrey Berman, Daniel Dolan, John van de Lindt, James Ricles, Richard Sause, Hans-Erik Blomgren, Marjan Popovski, Douglas R. Rammer. 2014. Progress on the development of seismic resilient Tall CLT Buildings in the Pacific Northwest
- Borjen Yeh, Douglas R. Rammer, Jeff Linville. 2014. Design of Multiple Bolted Connections for Laminated Veneer Lumber
- John W. van de Lindt, Pouria Bahmani, Mikhail Gershfeld, Gary Mochizuki, Xiaoyun Shao, Steven E. Pryor, Weichiang Pang, Michael D. Symans, Jingjing Tian, Ershad Ziaei, Elaina N. Jennings, Douglas R. Rammer. 2014. Seismic Risk Reduction for Soft-Story Wood-Frame Buildings: Test Results and Retrofit Recommendations from the Nees-Soft Project
- Pouria Bahmani, John W. van de Lindt, Steven E. Pryor, Gary L. Mochizuki, Mikhail Gershfeld, Douglas R. Rammer, Jingjing Tian, Michael D. Symans. 2014. Performance-Based Seismic Retrofit of Soft-Story Woodframe Buildings
- Douglas R. Rammer, Jorge de Melo Moura, Robert J. Ross. 2014. Structural Performance of the Second Oldest Glued-Laminated Structure in the United States
- P. Bahmani, J.W. van de Lindt, S.E. Pryor, G.L. Mochizuki, M. Gershfeld, Douglas R. Rammer, J. Tian, D. Symans. 2013. Performance-Based Seismic Retrofit of Soft-Story Woodframe Buildings
- John W. van de Lindt, George T. Abell, Pouria Bahmani, Mikhail Gershfeld, Xiaoyun Shao, Weichiang Pang, Michael D. Symans, Ershad Ziaei, Steven E. Pryor, Douglas R. Rammer, Jingjing Tian. 2013. Full-scale Dynamic Testing of Soft-Story Retrofitted and Un-Retrofitted Woodframe Buildings
- John W. van de Lindt, Douglas R. Rammer, Marjan Popovski, Phil Line, Shiling Pei, Steven E. Pryor. 2013. Chapter 4: Lateral design of cross-laminated timber buildings
- Mohammad Mohammad, Bradford Douglas, Douglas R. Rammer, Steven E. Pryor. 2013. Chapter 5: Connections Connections in cross-laminated timber buildings
- F. Fanous, Douglas R. Rammer, T. Wipf. 2013. Simplified Analytical Model of a Covered Burr-Arch-Truss Timber Bridge
- F Fanous, Douglas R. Rammer, T. Wipf. 2013. Simplified Analytical Model for a Queen-Post Covered Timber Bridge
- Van De John W. Lindt, Pouria Bahmani, Mikhail Gershfeld, Giraj Kumar Kandukuri, Douglas R. Rammer, Shiling Pei. 2013. Seismic Retrofit of Soft-Story Woodframe Buildings Using Cross Laminated Timbers
- Douglas R. Rammer, Jorge de Melo Moura. 2013. Structural Evaluation of the Second Oldest Glued-Laminated Structure in the United States
- Samuel L. Zelinka, Douglas R. Rammer. 2013. Environmental Degradation of Fiber-Reinforced Polymer Fasteners in Wood
- Samuel L. Zelinka, Douglas R. Rammer. 2012. Modeling the Effect of Nail Corrosion on the Lateral Strength of Joints
- Minghao Li, Frank Lam, Borjen Yeh, Tom Skaggs, Douglas R. Rammer, James Wacker. 2012. Modeling Force Transfer around Openings in Wood-Frame Shear Walls
- John W. van de Lindt, Rakesh Gupta, Shiling Pei, Kazuki Tachibana, Yasuhiro Araki, Douglas R. Rammer, Hiroshi Isoda. 2012. Damage Assessment of a Full-Scale Six-Story wood-frame Building Following Triaxial shake Table Tests
- Borjen Yeh, Tom Skaggs, Frank Lam, Minghao Li, Douglas R. Rammer, James Wacker. 2011. Evaluation of Force Transfer Around Openings - Experimental and Analytical Studies
- Douglas R. Rammer, Samuel L. Zelinka. 2011. DETERMINAZIONE DELL'AREA SUPERFICIALE DEI SI-STEMI DI FlSSAGGlO / MEASURING THE SURFACE AREA OF FASTENERS
- Tom Skaggs, Borjen Yeh, Frank Lam, Minghao Li, Douglas R. Rammer, James Wacker. 2011. Modelling Force Transfer Around Openings of Full-Scale Shear Walls
- James Wacker, Xiping Wang, Douglas R. Rammer, Bessie Woodward. 2011. NDE investigation of the timber foundation in the historic Kennecott Mine Concentration Mill Building
- James Wacker, Xiping Wang, Douglas R. Rammer, William Nelson. 2011. Evaluation of a timber column bent substructure after more than 60 years in-service
- Douglas R. Rammer, Samuel L. Zelinka. 2011. Measuring the surface area of fasteners
- Samuel L. Zelinka, Douglas R. Rammer. 2011. Synthesis of published and unpublished corrosion data from long term tests of fasteners embedded in wood : calculation of corrosion rates and the effect of corrosion on lateral joint strength
- Douglas R. Rammer. 2010. Structural analysis equations
- James Wacker, Xiping Wang, David E. Kretschmann, Douglas R. Rammer. 2010. Nondestructive evaluation of timber highway guardrail posts
- Douglas R. Rammer. 2010. Fastenings
- Tom Skaggs, Borjen Yeh, Frank Lam, Douglas R. Rammer, James Wacker. 2010. Full-scale shear wall tests for force transfer around openings
- James Wacker, Xiping Wang, Douglas R. Rammer. 2010. Field investigation of a 100-year-old timber crib foundation at a historic copper mine
- Douglas R. Rammer, Samuel L. Zelinka. 2010. Optical method for measuring the surface area of a threaded fastener
- Samuel L. Zelinka, Douglas R. Rammer. 2009. Corrosion rates of fasteners in treated wood exposed to 100% relative humidity
- Samuel L. Zelinka, Douglas R. Rammer, Donald S. Stone. 2009. Evaluating the corrosiveness of southern pine treated with several wood preservatives using electrochemical techniques
- Samuel L. Zelinka, Lorraine Ortiz-Candelaria, Donald S. Stone, Douglas R. Rammer. 2009. Electrochemical impedance spectroscopy (EIS) as a tool for measuring corrosion of polymer-coated fasteners used in treated wood
- Alyssa E. Schorer, Lawrence C. Bank, Michael G. Oliva, James Wacker, Douglas R. Rammer. 2008. Feasibility of rehabilitating timber bridges with mechanically fastened FRP strips
- Samuel L. Zelinka, Douglas R. Rammer, Donald S. Stone. 2008. Impedance spectroscopy and circuit modeling of southern pine above 20% moisture content
- Simon R. Przewloka, Douglas M. Crawford, Douglas R. Rammer, Donald L. Buckner, Bessie Woodward, Gan Li, Darrel D. Nicholas. 2008. Assessment of biodeterioration for the screening of new wood preservatives : calculation of stiffness loss in rapid decay testing
- Samuel L. Zelinka, Douglas R. Rammer, Donald S. Stone. 2008. Electrochemical corrosion testing of fasteners in extracts of treated wood
- Alyssa E. Schorer, Lawrence C. Bank, Michael G. Oliva, James Wacker, Douglas R. Rammer. 2008. Feasibility of rehabilitating timber bridges using mechanically fastened FRP strips
- Douglas R. Rammer, Samuel L. Zelinka. 2008. Analytical determination of the surface area of a threaded fastener
- Douglas R. Rammer, Alina Mendez. 2008. Withdrawal strength of bright and galvanized annulary threaded nails
- Samuel L. Zelinka, Douglas R. Rammer, D.S. Stone. 2008. Corrosion of metals in contact with treated wood : developing test methods
- Samuel L. Zelinka, Douglas R. Rammer. 2007. Corrosion avoidance with new wood preservatives
- Samuel L. Zelinka, Douglas R. Rammer, James Wacker. 2007. Minimizing corrosive action in timber bridges treated with waterborne preservatives
- Samuel L. Zelinka, Douglas R. Rammer, Donald S. Stone, James Gilbertson. 2007. Direct current testing to measure corrosiveness of wood preservatives
- Samuel L. Zelinka, Donald S. Stone, Douglas R. Rammer. 2007. Equivalent circuit modeling of wood at 12% moisture content
- Douglas R. Rammer, Philip Line. 2006. Development of failure mechanisms for fasteners in the United States
- Samuel L. Zelinka, Douglas R. Rammer. 2006. Exposure test of fasteners in preservative-treated wood
- Douglas R. Rammer, Samuel L. Zelinka, Philip Line. 2006. Fastener corrosion : testing, research, and design considerations
- Douglas R. Rammer. 2006. Wood construction codes issues in the United States
- Samuel L. Zelinka, Douglas R. Rammer. 2006. Electrochemical method for measuring corrosion of metals in wood
- Samuel L. Zelinka, Douglas R. Rammer. 2006. Corrosion avoidance with new wood preservatives
- Samuel L. Zelinka, Douglas R. Rammer. 2005. The use of electrochemical impedance spectroscopy (EIS) to measure the corrosion of metals in contact with wood
- Samuel L. Zelinka, Douglas R. Rammer. 2005. Review of test methods used to determine the corrosion rate of metals in contact with treated wood
- Michela Zanetti, Timothy G. Rials, Douglas R. Rammer. 2005. NIR monitoring of in-service wood structures
- Douglas R. Rammer, Samuel L. Zelinka. 2004. Review of end grain nail withdrawal research
- Jen Y. Liu, Douglas R. Rammer. 2003. Analysis of wood cantilever loaded at free end
- Douglas R. Rammer, Steve G. Winistorfer. 2001. Effect of moisture content on dowel-bearing strength
- Douglas R. Rammer. 2001. Wood : mechanical fasteners
- Robert H. Falk, David Green, Douglas R. Rammer, Scott F. Lantz. 2000. Engineering evaluation of 55-year-old timber columns recycled from an industrial military building
- Douglas R. Rammer. 1999. Evaluation of recycled timber members
- University of Wisconsin-Madison, M.S., Civil Engineering, 1991
- University of Wisconsin-Madison, B.S., Civil Engineering, 1989
Last updated July 8, 2026