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Posts tagged #punching-shear

Articles on structural design, foundations, concrete, site practice and Indian codes — written by CivilTech Studio engineers and our community.

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Cover image for Mat Foundation Design (IS 456 & ACI 318) — Guide

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Mat Foundation Design (IS 456 & ACI 318) — Guide

Mat foundation design with drop panels for punching shear: step-by-step calculation per IS 456 Clause 31.6 and ACI 318-19 Section 22.6, critical perimeter, drop panel sizing, and a worked example.

29 Oct 20267 min read

Cover image for Isolated Footing Design (IS 456) — Worked Example

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Isolated Footing Design (IS 456) — Worked Example

Isolated footing design IS 456 guide, step by step: plan size from net SBC, depth from one-way shear, punching and dowel anchorage, steel by Annex G. A full worked example for a 900 kN column, hand-checked against the CivilTech Studio engine.

15 Oct 202621 min read