Calcul Grinzi - Robert

OTEL PC 52BETON C 25 30

fctm 2.2 N/MM^2 s ≤ min {hw /4; 150 mm; 8dbL}fcd 16.66667 N/MM^2 s ≤ min {650 /4; 150 mm; 8•12}fyd 300 N/MM^2b 300 mmh 600 mmas 35 mmha 530 mmLumina 2.68

nr. bare diametrurand1 rand2 rand1 rand2

Armatura sus 3 20 P Pmin 0.5fctm/fykAs 942.4778 0 As1total 942.4778 mm 0.523599 ok 0.318841 %

Armatura jos 3 2 20 16 ---As 942.4778 402.1239 As2total 1344.602 mm 0.747001 ok 0.318841 %

Mrd- 149.854 KNmMrd+ 212.5853 KNm

Vgrav 308 KNMdb- 187.3175 KN Mdb- 265.7316 knVas 477.0482 KN

Ved.min= -138.4518Ved.max= 350.0482Ash.nec 132.5134S 100 nr brate 2 100Ash= 78.53982Aleg fi 10 12

procent 0.261799 0.376991

Armatura suplimentara taietoare

As= 3 16 alfa(grade)= 45As= 603.1858 mm

255.91 > 238.52

Vrdc= n*fcd*bw*z/(ctg(t)+tan(t))= 729 KN niu'= 1.136 < 1.604Vrds= 266 KN csi= -0.395522Vrds.a= 256 KN

Vrd=min(Vrdmax;Vrds) Vrd= 522 KNVerificare= 0.91 < 1

n=0.6(1-fck/250)= 0.54 t(grade)= 45

s ≤ min {162,5; 150 mm; 96}≈100mm   (5.44)