CONTROL DE LA APERTURA DE FISURAWk = Sr,max*[Esm - Ecm]C =40mmSr,max = 3,4*c + 0,17*(/)=12mm=0,01131Sr,max =316,3713528s =286,3N/mm2Kt=0,4Fct,eff=2,89N/mm2 p,eff=0,01131e=7Es=200000N/mm2Esm -Ecm=0,000879988Wk=0,278402941mmSi [Esm -Ecm] > Wk=0,271731355mmSi [Esm -Ecm]