PEER is pleased to announce the publication of reports and data from the major research initiative, “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER-CEA Project.” This was a multi-year, multi-disciplinary project coordinated by PEER and funded by the California Earthquake Authority (CEA).
The overall objective of the PEER–CEA project is to quantify the reduced building damage of single-family wood-frame homes with seismically retrofitted crawlspaces. The project objective includes providing scientifically based information (e.g., testing, analysis, and resulting loss models) that measure and assess the effectiveness of seismic retrofit to reduce the risk of damage and associated losses (repair costs) of wood-frame houses with cripple wall and sill anchorage deficiencies as well as retrofitted conditions that address those deficiencies.
Details of the project description, working group tasks, reports, and data can be found on the project website at https://peer.berkeley.edu/cw-woodframe
A technical overview of the project is documented in PEER report 2020/12, “Project Technical Summary,” written by Evan Reis in collaboration with Yousef Bozorgnia, Henry Burton, Kelly Cobeen, Gregory G. Deierlein, Tara Hutchinson, Grace S. Kang, Bret Lizundia, Silvia Mazzoni, Sharyl Rabinovici, Brandon Schiller, David P. Welch, and Farzin Zareian. Detailed technical reports are published as PEER Reports 2020/12 through 2020/24.
The project Principal Investigator, Yousef Bozorgnia, notes that “this major multidisciplinary initiative was successful because of the collaborative teamwork of numerous researchers and practitioners. The project’s outcome was also greatly enhanced as a result of multiple reviews from internal and external review panels.”