NBN 03-002 1norme ancienne NBN 03-002-1 (1988)temps de retour (normal = 10 ans)10kt1kt (stat)1ks (site)1kto (dir)143classebetaZ0alpharo (dens air)Vrf210.070.2021.22625
MICHAEL: MICHAEL:23,35 ancienne norme

IvVmbQb50.234321.675260.224722.579770.217123.383580.21123.987090.205924.5900100.201525.1928110.197725.5953120.194426.0977130.191426.4998140.188726.81019150.186327.11038160.184127.41056170.182127.71073180.180228.01089190.178528.31104200.176828.61119300.16530.61237400.157532.11325500.152233.21394600.148134.11452700.144834.91502800.14235.61545900.139736.215851000.137736.71620vitesse max de pointeZonehauteurIvVmbQbVkQk (N/m)Cpe10We [N/m]A150.234321.675221.567520.3226A2100.201525.192825.069280.3278A3150.186327.1103827.1110380.3311B200.176828.6111928.561119-0.9-1007C1150.186327.1103827.111038-0.4-415C2100.201525.192825.06928-0.4-371C350.234321.675221.56752-0.4-301D50.234321.675221.567520.7526E100.201525.192825.06928-0.3-278

Cpi sous le vent
MICHAEL: MICHAEL:si ouverture cot vent dominant >2x ouvertures autres faces cpi = 0,75 x cpe

si ouverture cot vent dominant >3x ouvertures autres faces cpi = 0,9 x cpeWi [N/m]D50.234321.675221.567520.63474E100.201525.192825.06928-0.27-250

EC 1991-1-4ECOLE n14CsCd1temps de retour (normal = 50 ans)500.02de 2 200 anski ANB0.95annexe BelgeCprob1Ki (turbulence)0.95Cprob (stat)1Vb0C season (site)1arrondi2325c dir1classe 0-4krZ0 rugosit terrainro (dens air)VbQb
MICHAEL: MICHAEL:pression dynamique de rfrenceC0(z)1terrain plat = 130.2150.31.2525390.6N/m39.8165villages zones suburbainesCr(z)Iv(z)Vm(z)Qm(z)pression dynamique de pointe Qp(z)Rapport entre Qb et Qp(z): Ce(z)pression dynamique de pointe Qp(z)50.60.3415.00140.634751.22477idem si Ki = 160.640.3216.00160.005181.3351970.680.317.00180.635601.4355980.710.2917.75196.915971.5359890.730.2818.25208.166161.58617100.750.2718.75219.736351.63637110.770.2619.25231.606531.67652120.790.2619.75243.796871.76687130.810.2520.25256.297051.80703140.830.2520.75269.107401.89738150.840.2421.00275.637391.89738160.850.2421.25282.237561.94758170.870.2421.75295.667922.03793180.880.2322.00302.507902.02789190.890.2322.25309.418082.07809200.90.2322.50316.418262.11824300.990.2124.75382.859462.42945401.050.1926.25430.6610032.571004501.10.1927.50472.6611012.821101601.140.1828.50507.6611472.941148701.170.1729.25534.7311713.001172801.20.1730.00562.5012323.151230901.230.1730.75590.9812943.311293W=CsCd*Cf*Ce(z)*Qb1001.250.1631.25610.3512943.311293W=CsCd*Cf* Qp(z)vitesse max de pointeNBN 03-002idem vent de vitesse gale!ZonehauteurCr(z)Iv(z)Vm(z)Qm(z)Qp(z)Ce(z)Cpe10/CfWe [N/m]We [N/m]A180.710.2917.75196.915971.5359860.92.11255226556%127.9kg/mA250.60.3415.00140.634751.2247748.61.8858278308%87.4kg/mA3150.840.2421.00275.637391.8973875.31.81329311427%B200.90.2322.50316.418262.1182484.01.81483-1007-147%C1150.840.2421.00275.637391.8973875.31.81329-415-320%C2100.750.2718.75219.736351.6363764.91.81146-371-309%C350.60.3415.00140.634751.2247748.61.8858-301-285%D50.60.3415.00140.634751.2247748.61.8858526163%E100.750.2718.75219.736351.6363764.91.81146-278-412%0Cpi sous le vent
MICHAEL: MICHAEL:si ouverture cot vent dominant >2x ouvertures autres faces cpi = 0,75 x cpe

si ouverture cot vent dominant >3x ouvertures autres faces cpi = 0,9 x cpeWi [N/m]Wi [N/m]D50.60.3415.00140.634751.224770.6330047463%E100.750.2718.75219.736351.636371637-250-254%

dpression

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