chunk_170.json•1.44 kB
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"text": ": \n(e J3 I 3 = 1,04 m ; 0) \nLongueurs A. : \nA., = ~ = J'(o- ,5- 2- --0-,0- 9-) ::-\n2 \n+- ( 0-,9---o-.-15_6_) \n2 \n= 0,859 m \n~ = 1,04-0,168 = 0,871 m \nBrasdelevier:z= 1,3x0,871 =!,133m \ntge, =ziA.\n1 \n= 1,319ettg9\n3\n=zl~= 1,300 \nEffort dans un pieu: FP = P 13 = 1,67 MN \nComposantes horizontales des bielles inclinees : \nTt = \nT2 = Fp\n1 \ncotg 9\n1 \n= 1,67 I 1,30 = 1,282 MN \nT3 = Fp3 cotg 83 = 1,67 I 1,319 = 1,264 MN \nArmatures par cerces et quadrillage : \n<i>al = <i>bt = 30° <i>t = <i>a 1 + <i>bt = 60° \nTc = 1,282 sin 30° I sin 60° = 0,74 MN \nTq = 0,2 x 0,74 = 0,148 MN \nHauteur de Ia bielle horizontale superieure : \n0 \n=Max [T, I 2 a' <Jb; T3 I 2 b ab] =Max [1,282 I 1,20; 1,264 I 1,2) I 13,33 = 0,080 m \nHauteur utile d = \nz + o = 1,133 + 0,080 = 1,213 m \net hauteur totale h = d \n+ 0,05 = 1,263 m valeur arrondie a h = 1,27 m \nFerraillage \nen cerces: Ac =Tel as= 0,74 X 1,15 X 10\n4 \nI 500 = 17,02 cm\n2\nsoit 4 \nHA25 \nFerra ill age en quadrillage A = 0 2 x 17 02 = 3 40 cm2 \nN d' 'I ' ' • · \n(F",
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"book_id": 34848,
"title": "BASIC-STRUCTURAL-Henry-Thonier-Tome-2",
"authors": "Unknown",
"project": "basic_structural",
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