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Masonry Anchor Bolt Design Calculator

The NCMA Masonry Anchor Bolt Design Calculator is a spreadsheet-based calculator tool to aid in the design of anchor bolts used in masonry construction. The spreadsheet can calculate both bent-bar and headed anchor bolts, either in top-mount or face-mount configuration. Design is based on the 2013 version of TMS 402/ACI 530/ASCE 5. Calculations for both allowable stress as well as strength design are provided.