Dutch design method - ICPA
Dutch design method - ICPA
Dutch design method - ICPA
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<strong>Dutch</strong> <strong>design</strong> <strong>method</strong> - CRCPIn practice a CRCP remains in uncompleted crackpattern (phase II).After cracking the mean crack width wom in phase II is:wom = 2 [(0.4 Ø / (f’cm Es)) σs,cr (σs,cr –n σcr)]where:f’cmØ0.85= mean cube compressive strength after 28 days forloadings of short duration= diameter of reinforcement steel barsσs,cr = tensile stress in steel bars in crack just after crackingσcr= tensile stress in concrete slab just before crackingn = Es / Ec26 October 2009 90
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