CLT Withdrawal Testing Campaign Results

This white paper summarizes the findings of the recently concluded validation test campaign on the withdrawal of self-tapping wood screws into cross laminated timber (CLT). As CLT is becoming more prominent as a building material, the aim of this test campaign was to utilize the test data to validate and compare these results to design factored resistances (Canada) and reference design values (USA) and outline their inherent factors of safety. This white paper also sheds light on the process of testing and the margins of safety that are within our current design standards and design values available in existing code approval reports.


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