Analisa Struktut 2 - Balok dengan Konsol Simetris
Skala Panjang : 1m =
Skala Gaya : 1t =
Skala Moment : 1tm =
A). Mencari RAV
RAV = ½ (P1 + q + x L + P2)
RAV = ½ (3t + 5t/m x 7m +3t)
RAV = ½ (3t + 35t +3t)
Skala Gaya : 1t =
Skala Moment : 1tm =
A). Mencari RAV
RAV = ½ (P1 + q + x L + P2)
RAV = ½ (3t + 5t/m x 7m +3t)
RAV = ½ (3t + 35t +3t)
RAV = ½ x 41t
RAV = 20,5 t
B.) Mencari RBV
Karena konstruksi simetris, maka RAV = RBV
RBV = 20,5 t
C.) Kontrol
RAV + RBV = P1 + P2 + Q
20,5t + 20,5t = 3t + 3t + (q x L)
41t = 6t + 5tm x 7m
41t = 41t (OK)
RAV = 20,5 t
B.) Mencari RBV
Karena konstruksi simetris, maka RAV = RBV
RBV = 20,5 t
C.) Kontrol
RAV + RBV = P1 + P2 + Q
20,5t + 20,5t = 3t + 3t + (q x L)
41t = 6t + 5tm x 7m
41t = 41t (OK)
D.) Garis D
DC = - P1
= - 3t
DC = - P1
= - 3t
DA = -P1 +RAV
= -3t + 20,5t
= 17,5t
DB = ½ q x L - q x L
= ½ 5t/m x 7m – 5t/m x 7m
= 17,5t – 35t
= -17,5t
DD = + P2
= + 3t
E.) Garis M
MC = 0 tm
MA = -P1 x a
= -3t x 3m
= -9tm
Mmax = 1/8 x q x L2
= 1/8 x 5tm x (7m)2
= 5/8tm x 49m2
= 30,625 tm
MB = -P2 x a
= -3t x 3m
= -9tm
MD = 0 tm
= -3t + 20,5t
= 17,5t
DB = ½ q x L - q x L
= ½ 5t/m x 7m – 5t/m x 7m
= 17,5t – 35t
= -17,5t
DD = + P2
= + 3t
E.) Garis M
MC = 0 tm
MA = -P1 x a
= -3t x 3m
= -9tm
Mmax = 1/8 x q x L2
= 1/8 x 5tm x (7m)2
= 5/8tm x 49m2
= 30,625 tm
MB = -P2 x a
= -3t x 3m
= -9tm
MD = 0 tm
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