Kontrol Lendutan
1
Kontrol Lendutan Lendutan Izin = L 250 = 600 250 = 2,40 cm Lendutan Pada Sumbu x (Lendutan Searah Sumbu y) x = 5 ⋅ q x ⋅ L 4 384 ⋅ E ⋅ I y + P x ⋅ L 3 48 ⋅ E ⋅ I y = 5 ⋅ 0 , 355 ⋅ ( 200) 4 384 ⋅ 2×10 6 ⋅ 35 , 70 + 39, 07 ⋅( 200 ) 3 48 ⋅ 2×10 6 ⋅ 35, 70 = 0,1 + 0,09 cm = 0.19 cm Lendutan Pada Sumbu y (Lendutan Searah Sumbu x) y = 5 ⋅ q y ⋅ L 4 384 ⋅ E ⋅ I x + P y ⋅ L 3 48 ⋅ E ⋅ I x = 5 ⋅ 0 , 834 ⋅ ( 600 ) 4 384 ⋅ 2×10 6 ⋅ 368 + 92, 05 ⋅( 600 ) 3 48 ⋅ 2×10 6 ⋅ 368 = 1,91 + 0,56 cm = 2,47 cm Lendutan Total = √ δ x 2 +δ y 2 = √ ( 0 , 19) 2 +( 2 , 54 ) 2 = 2, cm = 2,40 cm O.K.
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Transcript of Kontrol Lendutan
Kontrol Lendutan
Lendutan Izin
=
L250 =
600250 = 2,40 cm
Lendutan Pada Sumbu x (Lendutan Searah Sumbu y)
x =
5⋅qx⋅L4
384⋅E⋅I y +
Px⋅L3
48⋅E⋅I y
=
5⋅0 ,355⋅(200 )4
384⋅2×106⋅35 ,70 +
39 ,07⋅(200)3
48⋅2×106⋅35 ,70
= 0,1 + 0,09 cm = 0.19 cm
Lendutan Pada Sumbu y (Lendutan Searah Sumbu x)
y =
5⋅q y⋅L4
384⋅E⋅I x +
P y⋅L3
48⋅E⋅I x
=
5⋅0 ,834⋅(600 )4
384⋅2×106⋅368 +
92 ,05⋅(600)3
48⋅2×106⋅368
= 1,91 + 0,56 cm = 2,47 cm
Lendutan Total
= √δ x2+δ y2
= √ (0 ,19 )2+(2 ,54 )2
= 2, cm = 2,40 cm O.K.
