Building design process - Designing Buildings Wiki
2021-5-17 · In the UK, the nominal values of the yield strength (f y) for structural steel, and hence the characteristic values used in design calculations, are obtained by adopting the minimum yield strength (R eH) values direct from these product standards.. S275 steel is often used on railway bridges, where stiffness rather than strength governs the design, or where fatigue is the critical design …
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