{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Feuille1"],"not_rendered":{"images":1,"external_links":1,"defined_names":7},"read":"whole","date_system":"1900","formulas":"cached_only"}

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["Force du vent sur panneau"]
[" F = A *0,623 *V² *Cx",null,"(m² et m/s)"]
[{"v":1993.201299936,"d":"1,993"},"N"]
[]
["Résistance poteau"]
[]
["Sigma max = F*L/2  /  (I/v)"]
["F = ",{"v":2000,"d":"2,000"}," N"]
["L = ",{"v":1900,"d":"1,900"}," mm"]
["E = ",{"v":210000,"d":"210,000"}," MPa"]
["Re = ",355," MPa"]
[]
["Tube carré",50,3," mm"]
["Inom = ",{"v":208490,"d":"208,490"},"Pond.",15,"%"]
["I = ",{"v":177220,"d":"177,220"}," mm⁴"]
["v(max) = ",25," mm"]
["I/v = ",{"v":7090,"d":"7,090"}," mm³"]
[]
["Sigma = ",270," MPa"]
[null," (soit un taux de travail = 76%)"]
[]
["flèche = F *L^3 /E /I /8"]
[null,{"v":39.16483375929872,"d":"39.2"}," mm",0]
[]
["Tension fil par brande = ( ml * g * L^2 ) / ( 8 * f )",{"$nulls":4},"(cas d'un câble élancé (L/f>10) = extensibilité négligeable)"]
[null,6,"brandes",null,null,"(forme chaînette si élanc.<10)"]
["L = ",2,"m"]
["g = ",10,"m/s²"]
[]
[null,"au repos"]
["f admiss = 1/",300," = ",0.006666666666666667,"m"]
["ml = ",0.30000000000000004,"kg/m ,  masse linéique fil + brande"]
["T = ",{"v":225.00000000000003,"d":"225"},"N"]
[]
[null,"due au vent"]
["ml equivalent = ",33,"kg/m","( = 2000 / 10 / 6 )"]
["f = ",0.106,"m","(élancement L/f = 19)"]
["T = ",{"v":1556.6037735849056,"d":"1,557"},"N"]
[]
["T tot = ",{"v":1781.6037735849056,"d":"1782"},"N"]
[]
["Pour info, résistance des fils de fer galva acier doux avec tendeur;"]
["charge rupture:",null,"Ø","A","Fr","Rr"]
["fil de 2.2mm:200daN",null,2.2,3.7994000000000008,2000,526.3989050902773," soit ",{"v":0.8908018867924529,"d":"89%"}]
["2.7mm:316",null,2.7,5.722650000000001,3160,552.1917293561548,null,{"v":0.5637986625268688,"d":"56%"}]
["3mm:328",null,3,7.065,3280,464.26043878273174,null,{"v":0.54317188219052,"d":"54%"}]
[]
[]
[]
["(allongement d'un câble)",null,null,"https://issd.be/Lelivre.php"]
[]
[null,"dl = N/A *L /E  "," (mm)"]
[null,null,"E = ",210000]
[null,null,"N = ",1781.6037735849056]
[null,null,"Ø =",2.2,"A =",3.7994000000000008,"mm²"]
[null,null,"L = ",2000]
[null,"dL",4.465877503427622,"mm","N/A=",468.9171378599003,null,1.002232938751714]
[]
[null,"Eapp  =  (dN / A)  /  (dL / Lo)"]
[null,null,"dN = ",{"v":1556.6037735849056,"d":"1,557"},"N"]
[" = > ","Eapp = ",183478.9515488483]
[]
[null,"Ecorde = Ec *Eapp / (Ec + Eapp)"]
[null,null,"Ec",210000," ( = E pour un fil , 170000 par exemple pour un câble )"]
[" = > ","Ecorde = ",97922.84866468843]
[]
[" == > ","dL = ",9.57727730053251,"mm",{"$nulls":3},1.0047886386502662]
[]
[]
[]
[null,"Lo = L/2 * "]
[]
[]
["en m","f (=H) = ",0.10642237684711767,"L = ",2]
[null,"Lo = ",{"v":2.0140431548039603,"d":"2.014"},2.014999970140323,{"$nulls":3},{"v":0.0010070215774019803,"d":"0.10 %"}]