Telaio fisso
Flessioni
φCB = X 2b⁄3ξ + 9 (2ξ)3⁄24ξ + qβ3⁄2ξ – Xb⁄4ξ
φCE = –X (2b)⁄3ξ + αb (2ξ)2⁄16ξ – X2 26⁄6ξ
φEC = X2 2b⁄3ξ – αb (2ξ)2⁄16ξ – X1 2b⁄6ξ
{ ³X2 2b + qβ3⁄2 + qβ3⁄4 + X1 b+ X1 b + X2 2b⁄3 – qβ3⁄4 + X2 3⁄det[Δα|β] = 1⁄3X1 ( 3⁄4 + 3⁄3)X1 + + X1 b + X2 2b
det[Δα] = 11⁄72X1 = 1⁄2 1 8 1⁄4 X
Telaio fisso
Flessioni cong. conc.
φCB = X2b + 9(2b)3 / 24q + qb3 / 2q - Xb / 4q
φCF = -X (2b) / 3q + qb (2b)2 / 16q - X2 2b / 6q
φEC = X2 2b / 3q - qb (2b)2 / 16q - X1 2b / 6q
X2b + qb3 / 2 + qb3 / 4 - X2b + qb3 / 4 - X2b 2/3) 1)X2 2b/3 - qb3 / 4 + X1 b / 2 = 0
2)X1 ( - 2/3 + 1/4 + 2/3) + X2 b / 3 + qb3 (1/8 + 1/4 - 1/4) = 0
[A] = [1/3 1/3 | -3/2 1/3 2/3 | 1/3]
X1 b / 3 + X2 2b / 3 + qb3 / 4 = 0
2)X1 = 3.8 / 12 + X2 b / 4 + qb3 (1+u-z) / 8 ) = 0
X1 1/3 12 + X2 b / 3 + (qb3 = 0
1)det|Δ / b| = 1/3
det|A| = 11/18
X1 = 1/3 . 18/11 = 6 / 11
KCD = EJ / b³
gdl = qgdv = 2a + 2b + 3c + 3c = 10
t = 1
Cond. long.
φC = 0 => φCB = φCE
φE = 0 => φEC = 0
Pressioni
φCB = X12b / 3ξ1 + q(2b)3 / 24ξ1g + φBC
φCE = -X12b / 3ξ + αb(2b)2 / 16g - X22b / 6ξ
φ°BC = [(qb - X1)t3 / 6tbξ] - (qb3 / 2t2b) - (q2b – X1b / 4ξ)]
- X12b / 3 + qb3 / 6β3 – X1b / 4 - X22b / 3 + qb3 – X22b / 6ξ = 0 X22b / 3 – ab³ / 4 - X = 0
X1( 2/3x – 2/3ξ ) + αb3 (4/3η + 1j – z) + X2b = 0
X113 + X22b – ab3k = 0
X1b + X22b –qb3
[Δ] =13/4 1/3 3/8αb21/3 2/3 -αb³/4
det[Δ] = -111
det[Δ│b] = 1/3
det[Δ│b] = -194
X1 = 1/3 – 1
X2b + q(2b)3 / 24 = 0 ↘ X = - qb・3 / 24・2 = qb2 / 16
φCB = 0
X2b / 3 + qb3 / 2 - ab2 / 2 - X4 / 4 = 0
2・816 ab4 + X( 1/3 -1 /a)b = 0
X = - 6・π / 16・5・ 6・x・y 6・z・g / 7・p・q
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