P quake
P quake
P quake
P quake q dead
q dead
q dead
q dead
8 m 8 m
8 m 4 m
4 m
4 m
4 m
3.5.3.3 Portal C akibat kombinasi pembebanan 3
Yang dimaksud dengan kombinasi pembebanan 3 sesuai peraturan AISC 1989 adalah :
1,3 D+E
Gambar 3.157 Portal C dalam kombinasi pembebanan 3
Keterangan : Besar q dead yang bekerja : 1,876 Tm
Besar P quake Lt. 1 : 3,1178 T
Besar P quake Lt. 2 : 6,2356 T
Besar P quake Lt. 3 : 9,3534 T
Besar P quake Lt. 4 : 8,2449 T
Universitas Sumatera Utara
Mekanisme yang terjadi akibat pembebanan seperti gambar 3.157 di atas adalah sebagai berikut :
1. Mekanisme balok Lt.4 Atap
Gambar 3.158 Mekanisme balok Lt.4 – Portal C3
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ = 1,3 x 1,876 Tm x 4m x 4m.
θ = 39,028 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 39,028 T-m θ
Mp = 9,7552 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
2. Mekanisme balok Lt.3
Gambar 3.159 Mekanisme balok Lt.3 – Portal C3
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ = 1,3 x 1,876 Tm x 4m x 4m.
θ = 39,028 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 39,028 T-m θ
Mp = 9,7552 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
3. Kombinasi : Mekanisme Balok Lt.4
Mekanisme Balok Lt.3
Gambar 3.160 Mekanisme Kombinasi 1 – Portal C3
Kerja Dalam = 8 x Mp .
θ = 8 Mp
θ
Kerja Luar = 2 x
λ x q dead x ½.8m x 4m.θ = 2 x 1,3 x 1,876 Tm x 4m x 4m.
θ = 78,0416 T-m
θ Kerja Dalam = Kerja Luar
8 Mp θ = 78,0416 T-m θ
Mp = 9,7552 T-m
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
4. Sway Mechanism Lt.4 a
Gambar 3.161 Sway Mechanism Lt.4 a – Portal C3
Kerja Dalam = 8 x 1,217Mp .
θ = 9,736 Mp
θ
Kerja Luar =
λ x P quake Lt.4 x 4m.θ = 1,3 x 8,2449T x 4m.
θ = 42,8737 T-m
θ Kerja Dalam = Kerja Luar
9,736 Mp θ = 42,8737 T-m θ
Mp = 4,4036 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Universitas Sumatera Utara
5. Sway Mechanism Lt.3 a
Gambar 3.162 Sway Mechanism Lt.3 a – Portal C3
Kerja Dalam = 8 x 1,217Mp .
θ = 9,736 Mp
θ
Kerja Luar =
λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ = 1,3 x 9,3534T x 4m.
θ + 1,3 x 8,2449T x 4m.θ = 91,5115 T-m
θ Kerja Dalam = Kerja Luar
9,736 Mp θ = 91,5115 T-m θ
Mp = 9,3993 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Universitas Sumatera Utara
6. Sway Mechanism Lt.2 a
Gambar 3.163 Sway Mechanism Lt.2 a – Portal C3
Kerja Dalam = 8 x 1,217Mp .
θ = 9,736 Mp
θ
Kerja Luar =
λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ
= 1,3 x 6,2356T x 4m. θ + 1,3 x 9,3534T x 4m.θ + 1,3 x 8,2449T x 4m.θ
= 123,9567 T-m θ
Kerja Dalam = Kerja Luar 9,736 Mp
θ = 123,9567 T-m θ
Mp = 12,7297 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Universitas Sumatera Utara
7. Sway Mechanism Lt.1 a
Gambar 3.164 Sway Mechanism Lt.2 a – Portal C3
Kerja Dalam = 8 x 1,217Mp .
θ = 9,736 Mp
θ
Kerja Luar =
λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ
= 1,3 x 3,1178T x 4m. θ + 1,3 x 6,2356T x 4m.θ + 1,3 x 9,3534T x 4m.θ
+ 1,3 x 8,2449T x 4m. θ
= 140,1492 T-m θ
Kerja Dalam = Kerja Luar 9,736 Mp
θ = 140,1492 T-m θ
Mp = 14,3950 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Universitas Sumatera Utara
8. Sway Mechanism Lt.4 b
Gambar 3.165 Sway Mechanism Lt.4 b – Portal C3
Kerja Dalam = 6 x Mp .
θ + 4 x 1,217Mp . θ = 10,868 Mp
θ
Kerja Luar =
λ x P quake Lt.4 x 4m.θ = 1,3 x 8,2449T x 4m.
θ = 42,8737 T-m
θ Kerja Dalam = Kerja Luar
10,868 Mp θ = 42,8737 T-m θ
Mp = 3,9450 T-m
1,217Mp 1,217Mp
Mp Mp
1,217Mp Mp
1,217Mp
Universitas Sumatera Utara
9. Sway Mechanism Lt.3 b
Gambar 3.166 Sway Mechanism Lt.3 b – Portal C3
Kerja Dalam = 6 x Mp .
θ + 4 x 1,217Mp . θ = 10,868Mp
θ
Kerja Luar =
λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ = 1,3 x 9,3534T x 4m.
θ + 1,3 x 8,2449T x 4m.θ = 91,5115 T-m
θ Kerja Dalam = Kerja Luar
10,868 Mp θ = 91,5115 T-m θ
Mp = 8,4202 T-m
1,217Mp 1,217Mp
Mp Mp
Mp 1,217Mp
Mp Mp
1,217Mp Mp
Universitas Sumatera Utara
10. Sway Mechanism Lt.2 b
Gambar 3.167 Sway Mechanism Lt.2 b – Portal C3
Kerja Dalam = 6 x Mp .
θ + 4 x 1,217Mp . θ = 10,868 Mp
θ
Kerja Luar =
λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ
= 1,3 x 6,2356T x 4m. θ + 1,3 x 9,3534T x 4m.θ + 1,3 x 8,2449T x 4m.θ
= 123,9567 T-m θ
Kerja Dalam = Kerja Luar 10,868 Mp
θ = 123,9567 T-m θ
Mp = 11,4038 T-m
1,217Mp 1,217Mp
Mp Mp
Mp 1,217Mp
Mp Mp
1,217Mp Mp
Universitas Sumatera Utara
11. Sway Mechanism Lt.1 b
Gambar 3.168 Sway Mechanism Lt.1 b – Portal C3
Kerja Dalam = 6 x Mp .
θ + 4 x 1,217Mp . θ = 10,868 Mp
θ
Kerja Luar =
λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 4m.θ
= 1,3 x 3,1178T x 4m. θ + 1,3 x 6,2356T x 4m.θ + 1,3 x 9,3534T x 4m.θ
+ 1,3 x 8,2449T x 4m. θ
= 140,1492 T-m θ
Kerja Dalam = Kerja Luar 10,868 Mp
θ = 140,1492 T-m θ
Mp = 12,8956 T-m
1,217Mp 1,217Mp
Mp Mp
Mp 1,217Mp
Mp Mp
1,217Mp Mp
Universitas Sumatera Utara
12. Kombinasi : Sway Mechanism Lt.4
Sway Mechanism Lt.3
Gambar 3.169 Mekanisme Kombinasi 2 – Portal C3
Kerja Dalam = 6 x Mp .
θ + 8 x 1,217Mp . θ = 15,736 Mp
θ
Kerja Luar =
λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 8m.θ = 1,3 x 9,3534T x 4m.
θ + 1,3 x 8,2449T x 8m.θ = 134,3852 T-m
θ Kerja Dalam = Kerja Luar
15,736 Mp θ = 134,3852 T-m θ
Mp = 8,5400 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
13. Kombinasi : Sway Mechanism Lt.3
Sway Mechanism Lt.2
Gambar 3.170 Mekanisme Kombinasi 3 – Portal C3
Kerja Dalam = 6 x Mp .
θ + 8 x 1,217Mp . θ = 15,736 Mp
θ
Kerja Luar =
λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.θ
= 1,3 x 6,2356T x 4m. θ + 1,3 x 9,3534T x 8m.θ + 1,3 x 8,2449T x 8m.θ
= 215,4481 T-m θ
Kerja Dalam = Kerja Luar 15,736 Mp
θ = 215,4481 T-m θ
Mp = 13,6914 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217M
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
14. Kombinasi : Sway Mechanism Lt.2
Sway Mechanism Lt.1
Gambar 3.171 Mekanisme Kombinasi 4 – Portal C3
Kerja Dalam = 6 x Mp .
θ + 8 x 1,2Mp . θ = 15,736 Mp
θ
Kerja Luar =
λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.θ
= 1,3 x 3,1178T x 4m. θ + 1,3 x 6,2356T x 8m.θ + 1,3 x 9,3534T x 8m.θ
+ 1,3 x 8,2449T x 8m. θ
= 264,0859 T-m θ
Kerja Dalam = Kerja Luar 15,736 Mp
θ = 264,0859 T-m θ
Mp = 16,7823 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217M
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
15. Kombinasi : Sway Mechanism Lt.4 , 3
2
Gambar 3.172 Mekanisme Kombinasi 5 – Portal C3
Kerja Dalam = 12 x Mp .
θ + 8 x 1,217Mp . θ = 21,736 Mp
θ
Kerja Luar =
λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 12m.θ
= 1,3 x 6,2356T x 4m. θ + 1,3 x 9,3534T x 8m.θ + 1,3 x 8,2449T x12m.θ
= 258,3219 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 258,3219 T-m θ
Mp = 11,8845 T-m
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
16. Kombinasi : Sway Mechanism Lt.3 , 2
1
Gambar 3.173 Mekanisme Kombinasi 6 – Portal C3
Kerja Dalam = 12 x Mp .
θ + 8 x 1,217Mp . θ = 21,736 Mp
θ
Kerja Luar =
λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.θ + λ x P quake Lt.3 x 12m.θ + λ x P quake Lt.4 x 12m.θ
= 1,3 x 3,1178T x 4m. θ + 1,3 x 6,2356T x 8m.θ + 1,3 x 9,3534T x12m.θ
+ 1,3 x 8,2449T x 12m. θ
= 355,5974 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 355,5974 T-m θ
Mp = 16,3598 T-m
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
1,217Mp 1,217M
Mp Mp
Mp Mp
Universitas Sumatera Utara
17. Kombinasi : Sway Mechanism Lt.4 , 3 , 2
1
Gambar 3.174 Mekanisme Kombinasi 7 – Portal C3
Kerja Dalam = 18 x Mp .
θ + 8 x 1,217Mp . θ = 27,736 Mp
θ
Kerja Luar =
λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.θ + λ x P quake Lt.3 x 12m.θ + λ x P quake Lt.4 x 16m.θ
= 1,3 x 3,1178T x 4m. θ + 1,3 x 6,2356T x 8m.θ + 1,3 x 9,3534T x12m.θ
+ 1,3 x 8,2449T x 16m. θ
= 398,4711 T-m θ
Kerja Dalam = Kerja Luar 27,736 Mp
θ = 398,4711 T-m θ
Mp = 14,3666 T-m
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
1,217Mp 1,217Mp
1,217Mp 1,217
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
18. Kombinasi : Sway Mechanism Lt.4 , 3
Beam Mechanism Lt.3
Gambar 3.175 Mekanisme Kombinasi 8 – Portal C3
Kerja Dalam = 12 x Mp .
θ + 8 x 1,217Mp . θ = 21,736 Mp
θ
Kerja Luar = 3 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.3 x 4m.θ + λ x P quake Lt.4 x 8m.θ
= 3 x 1,3 x 1,876 Tm x 4m x 4m. θ + 1,3 x 9,3534T x 4m.θ + 1,3 x
8,2449T x 8m. θ
= 251,4476 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 251,4476 T-m θ
Mp = 11,5683 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
19. Kombinasi : Sway Mechanism Lt.3 , 2
Beam Mechanism Lt.2
Gambar 3.176 Mekanisme Kombinasi 9 – Portal C3
Kerja Dalam = 12 x Mp .
θ + 8 x 1,217Mp . θ = 21,736 Mp
θ
Kerja Luar = 3 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.θ
= 3 x 1,3 x 1,876 Tm x 4m x 4m. θ + 1,3 x 6,2356T x 4m.θ + 1,3 x
9,3534T x 8m. θ + 1,3 x 8,2449T x 8m.θ
= 332,5105 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 332,5105 T-m θ
Mp = 15,2977 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
20. Kombinasi : Sway Mechanism Lt.2 , 1
Beam Mechanism Lt.1
Gambar 3.177 Mekanisme Kombinasi 10 – Portal C3
Kerja Dalam = 12 x Mp .
θ + 8 x 1,217Mp . θ = 21,736 Mp
θ
Kerja Luar = 3 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.
θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.
θ = 3 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 3,1178T x 4m.θ + 1,3 x 6,2356T x 8m.
θ + 1,3 x 9,3534T x 8m.θ + 1,3 x 8,2449T x 8m.θ = 381,1483 T-m
θ Kerja Dalam = Kerja Luar
21,736 Mp θ = 381,1483 T-m θ
Mp = 17,5353 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
21. Kombinasi : Sway Mechanism Lt.4 , 3
Beam Mechanism Lt.4 , 3
Gambar 3.178 Mekanisme Kombinasi 11 – Portal C3
Kerja Dalam = 24 x Mp .
θ + 4 x 1,217Mp . θ = 28,868 Mp
θ
Kerja Luar = 6 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.
θ = 6 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 9,3534T x 4m.θ + 1,3 x 8,2449T x 8m.
θ = 368,5100 T-m
θ Kerja Dalam = Kerja Luar
28,868 Mp θ = 368,5100 T-m θ
Mp = 12,7653 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
22. Kombinasi : Sway Mechanism Lt.3 , 2
Beam Mechanism Lt.3 , 2
Gambar 3.179 Mekanisme Kombinasi 12 – Portal C3
Kerja Dalam = 24 x Mp .
θ + 8 x 1,217Mp . θ = 33,736 Mp
θ
Kerja Luar = 6 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 8m.
θ + λ x P quake Lt.4 x 8m.θ = 6 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 6,2356T x 4m.θ + 1,3 x 9,3534T x 8m.
θ + 1,3 x 8,2449T x 8m.θ = 449,5729 T-m
θ Kerja Dalam = Kerja Luar
33,736 Mp θ = 449,5729 T-m θ
Mp = 13,3262 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
1,217Mp Mp
Mp Mp
Universitas Sumatera Utara
23. Kombinasi : Sway Mechanism Lt.2 , 1
Beam Mechanism Lt.2 , 1
Gambar 3.180 Mekanisme Kombinasi 13 – Portal C3
Kerja Dalam = 24 x Mp .
θ + 8 x 1,217Mp . θ = 33,746 Mp
θ
Kerja Luar = 6 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.
θ + λ x P quake Lt.3 x 8m.θ + λ x P quake Lt.4 x 8m.
θ = 6 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 3,1178T x 4m.θ + 1,3 x 6,2356T x 8m.
θ + 1,3 x 9,3534T x 8m.θ + 1,3 x 8,2449T x 8m.θ = 498,2107 T-m
θ Kerja Dalam = Kerja Luar
33,736 Mp θ = 498,2107 T-m θ
Mp = 14,7679 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
1,217Mp Mp
Mp Mp
Universitas Sumatera Utara
24. Kombinasi : Sway Mechanism Lt.4, 3, 2
Beam Mechanism Lt.4, 3, 2
Gambar 3.181 Mekanisme Kombinasi 14 – Portal C3
Kerja Dalam = 36 x Mp .
θ + 4 x 1,217Mp . θ = 40,936 Mp
θ
Kerja Luar = 9 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.2 x 4m.θ + λ x P quake Lt.3 x 8m.
θ + λ x P quake Lt.4 x 12m.θ = 9 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 6.2356T x 4m.θ + 1,3 x 9,3534T x 8m.
θ + 1,3 x 8,2449T x 12m.θ = 609,5091 T-m
θ Kerja Dalam = Kerja Luar
40,936 Mp θ = 609,5091 T-m θ
Mp = 14,9141 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
25. Kombinasi : Sway Mechanism Lt.3, 2, 1
Beam Mechanism Lt.3, 2, 1
Gambar 3.182 Mekanisme Kombinasi 15 – Portal C3
Kerja Dalam = 36 x Mp .
θ + 8 x 1,217Mp . θ = 45,736 Mp
θ
Kerja Luar = 9 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.1 x 4m.θ + λ x P quake Lt.2 x 8m.
θ + λ x P quake Lt.3 x 12m.θ + λ x P quake Lt.4 x 12m.
θ = 9 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 3,1178T x4m.θ + 1,3 x 6.2356T x 8m.
θ + 1,3 x 9,3534T x 12m.θ + 1,3 x 8,2449T x 12m.θ = 706,7849 T-m
θ Kerja Dalam = Kerja Luar
45,736 Mp θ = 706,7849 T-m θ
Mp = 15,4536 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
1,217Mp Mp
Mp Mp
Universitas Sumatera Utara
26. Kombinasi : Sway Mechanism Lt.4, 3, 2, 1
Beam Mechanism Lt.4, 3, 2, 1
Gambar 3.183 Mekanisme Kombinasi 16 – Portal C3
Kerja Dalam = 48 x Mp .
θ + 4 x 1,217Mp . θ = 52,868 Mp θ
Kerja Luar = 12 x
λ x q dead x ½.8m x 4m.θ + λ x P quake Lt.1 x 4m.θ + λ xP quake Lt.2 x8m.
θ + λ x P quake Lt.3 x 12m.θ + λ xP quake Lt.4 x 16m.
θ = 12 x 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 3,1178T x4m.θ + 1,3 x 6.2356T x 8m.
θ + 1,3 x 9,3534T x 12m.θ + 1,3 x 8,2449T x 16m.θ = 866,7207 T-m
θ Kerja Dalam = Kerja Luar
52,868 Mp θ = 866,7207 T-m θ
Mp = 16,3941 T-m
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Universitas Sumatera Utara
3.5.3.4 Rekapitulasi Momen Plastis pada Portal C