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Construction-Calculator
Construction-Calculator
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After completing my B.Tech in Civil Engineering, I joined the design and proof-checking department of a PSU under Indian Railways. My job involved reviewing structural design drawings, verifying calculations and checking compliance with Indian Standard codes on a daily basis.
The work was demanding and detail-oriented. Every single calculation had to be cross-checked against IS 456, IS 13920 and other codes — manually, every time, for every project. I found myself repeatedly going through the same clauses, recalculating the same intermediate steps and verifying the same code checks from scratch.
That gap is what Construction-Calculator was built to fill. It is not a design automation tool — it is a proof-checking aid. It helps engineers quickly verify whether a given section and reinforcement satisfies IS code requirements, see all intermediate values transparently and catch mistakes before they go further.
Whether you are a student checking your assignment, a site engineer doing a quick sanity check or a proof-checker reviewing a submission — this tool is built for you.
A quick proof-checking and verification tool. Enter your section and reinforcement details, and instantly see whether the design satisfies IS code requirements — with full intermediate values and clause references.
This is not a certified design software. Results should always be verified by a qualified structural engineer. Do not use outputs directly for construction without professional review and stamping.
Every intermediate value is shown — Ast, τv, τc, k factor, development length, and more. No black box. You see exactly what formula was used and which IS clause it came from.
No subscription, no login, no paywall. Built as a free resource for engineering students and professionals across India. Supported by advertisements.
Calculations are based on the following Bureau of Indian Standards (BIS) codes. All clause references are shown alongside results:
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