BS EN 1992-3 introduces the concept of Depending on whether you are storing hazardous chemicals, potable water, or industrial effluent, the code dictates stricter crack width limits (often 0.1mm to 0.2mm) and specific detailing rules to ensure the structure is watertight .
General Eurocode 2 deals with cracks up to 0.4mm for aesthetics or corrosion. However, if a water tank cracks 0.4mm, it leaks . Leakage is a serviceability failure.
Have you used BS EN 1992-3 on a recent project? Let us know your biggest challenge with crack width calculations in the comments below. This article is for informational purposes only. Always purchase the latest official standards and national annexes for your specific jurisdiction before beginning design.