Description
This spreadsheet evaluates the net section tension in bolted lap-seam tank shell connections per AWWA D-103. It determines the critical net section area accounting for bolt holes and verifies adequacy against design loads. Key inputs include panel dimensions, bolt pattern, hole diameter, and material yield strength. Key outputs include net section area, applied tensile stress, and pass/fail verdict. Intended for structural engineers, tank manufacturers, and water utility teams. Editable Excel format. Engineering support available — contact 3D-LABS.


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