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Evaluation of Wood Sole Plate Anchorage to Concrete under Monotonic and Cyclic Loading
Recent changes in the American Concrete Institute's Building Code Requirements for Structural Concrete (ACI 318) significantly reduce the design capacity of near-edge concrete anchors. Because of this change, the conventional practice of using 2 x 4 sole plates with 1/2-inch bolts spaced at 4 feet or 6 feet on center in residential construction has come into question. The purpose of this study is to evaluate the performance of cast-in-place foundation anchor bolt connections in shear parallel to the concrete edge and help improve accuracy of design methods for residential anchors. This is done by capturing representative failure modes, response variability, and applicable safety margins. Single and multiple anchor bolt configurations, as well as full-scale shear configurations were tested. Test results showed that sole plate to concrete connections exhibited significant displacement capacity (i.e., ductile behavior) and were relatively tolerant to cracked concrete conditions. Comparison to the ACI-318 design values suggests that the penalties for cracked concrete and non-ductile behavior are overly conservative for wood sole plate anchors.
Evaluation of Wood Sole Plate Anchorage to Concrete under Monotonic and Cyclic Loading
Recent changes in the American Concrete Institute's Building Code Requirements for Structural Concrete (ACI 318) significantly reduce the design capacity of near-edge concrete anchors. Because of this change, the conventional practice of using 2 x 4 sole plates with 1/2-inch bolts spaced at 4 feet or 6 feet on center in residential construction has come into question. The purpose of this study is to evaluate the performance of cast-in-place foundation anchor bolt connections in shear parallel to the concrete edge and help improve accuracy of design methods for residential anchors. This is done by capturing representative failure modes, response variability, and applicable safety margins. Single and multiple anchor bolt configurations, as well as full-scale shear configurations were tested. Test results showed that sole plate to concrete connections exhibited significant displacement capacity (i.e., ductile behavior) and were relatively tolerant to cracked concrete conditions. Comparison to the ACI-318 design values suggests that the penalties for cracked concrete and non-ductile behavior are overly conservative for wood sole plate anchors.
Evaluation of Wood Sole Plate Anchorage to Concrete under Monotonic and Cyclic Loading
DeRenzis, Andrew (author) / Kochkin, Vladimir (author) / Ehrlich, Gary (author)
Structures Congress 2010 ; 2010 ; Orlando, Florida, United States
Structures Congress 2010 ; 808-819
2010-05-18
Conference paper
Electronic Resource
English
Evaluation of Wood Sole Plate Anchorage to Concrete Under Monotonic and Cyclic Loading
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