q dead q live
q dead q live
q dead q live
q dead q live
8 m 8 m
8 m 4 m
4 m
4 m
4 m Gambar 3.125 Mekanime keruntuhan portal C
Dari gambar di atas, terlihat bahwa tidak lagi terjadi sendi plastis pada kolom, sehingga Portal C yang akan direncanakan telah memenuhi persyaratan “Strong
Column Weak Beam”.
3.5.3.1 Portal C akibat kombinasi pembebanan 1
Yang dimaksud dengan kombinasi pembebanan 1 sesuai peraturan AISC Plastic Design 1989 adalah :
1,7 D+L
Gambar 3.126 Portal C dalam kombinasi pembebanan 1
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
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
Mekanisme yang terjadi akibat pembebanan seperti gambar 3.126 di atas adalah sebagai berikut :
1. Mekanisme balok Lt.4 Atap
Gambar 3.127 Mekanisme balok Lt.4 – Portal C1
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ + λ x q live atap x ½.8m x 4m.θ = 1,7 x 1,876 Tm x 4m x 4m.
θ + 1,7 x 0,4 Tm x 4m x 4m.θ = 61,9072 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 61,9072 T-m θ
Mp = 15,4768 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
2. Mekanisme balok Lt.3
Gambar 3.128 Mekanisme balok Lt.3 – Portal C1
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ + λ x q live lantai x ½.8m x 4m.θ = 1,7 x 1,876 Tm x 4m x 4m.
θ + 1,7 x 1,0 Tm x 4m x 4m.θ = 78,2272 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 78,2272 T-m θ
Mp = 19,5568 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
3. Kombinasi : Mekanisme Balok Lt.4
Mekanisme Balok Lt.3
Gambar 3.129 Mekanisme Kombinasi 1 – Portal C1
Kerja Dalam = 8 x Mp .
θ = 8 Mp
θ
Kerja Luar = 2 x
λ x q dead x ½.8m x 4m.θ + λ x q live lantai x ½.8m x 4m.θ + λ x q live atap x ½.8m x 4m.θ
= 2 x 1,7 x 1,876 Tm x 4m x 4m. θ + 1,7 x 1,0 Tm x 4m x 4m.θ +
1,7 x 0,4 Tm x 4m x 4m. θ
= 140,1344 T-m θ
Kerja Dalam = Kerja Luar 8 Mp
θ = 140,1344 T-m θ
Mp = 17,5168 T-m
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
q dead q live
q dead q live
q dead q live
q dead q live
P quake
P quake
P quake
P quake
8 m 8 m
8 m 4 m
4 m
4 m
4 m
3.5.3.2 Portal C akibat kombinasi pembebanan 2
Yang dimaksud dengan kombinasi pembebanan 2 sesuai peraturan AISC 1989 adalah :
1,3 D+L+E
Gambar 3.130 Portal C dalam kombinasi pembebanan 2
Keterangan : Besar q dead yang bekerja : 1,876 Tm
Besar q live yang bekerja : 1,000 Tm untuk lantai 0,400 Tm untuk atap
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 3.130 di atas adalah sebagai berikut :
1. Mekanisme balok Lt.4 Atap
Gambar 3.131 Mekanisme balok Lt.4 – Portal C2
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ + λ x q live atap x ½.8m x 4m.θ = 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 0,4 Tm x 4m x 4m.θ = 47,3408 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 47,3408 T-m θ
Mp = 11,8352 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
2. Mekanisme balok Lt.3
Gambar 3.132 Mekanisme balok Lt.3 – Portal C2
Kerja Dalam = 4 x Mp .
θ = 4 Mp
θ
Kerja Luar =
λ x q dead x ½.8m x 4m.θ + λ x q live lantai x ½.8m x 4m.θ = 1,3 x 1,876 Tm x 4m x 4m.
θ + 1,3 x 1,0 Tm x 4m x 4m.θ = 59,8208 T-m
θ Kerja Dalam = Kerja Luar
4 Mp θ = 59,8208 T-m θ
Mp = 14,9552 T-m
Mp Mp
Mp Mp
Universitas Sumatera Utara
3. Kombinasi : Mekanisme Balok Lt.4
Mekanisme Balok Lt.3
Gambar 3.133 Mekanisme Kombinasi 1 – Portal C2
Kerja Dalam = 8 x Mp .
θ = 8 Mp
θ
Kerja Luar = 2 x
λ x q dead x ½.8m x 4m.θ + λ x q live lantai x ½.8m x 4m.θ + λ x q live atap x ½.8m x 4m.θ
= 2 x 1,3 x 1,876 Tm x 4m x 4m. θ + 1,3 x 1,0 Tm x 4m x 4m.θ +
1,3 x 0,4 Tm x 4m x 4m. θ
= 107,1616 T-m θ
Kerja Dalam = Kerja Luar 8 Mp
θ = 107,1616 T-m θ
Mp = 13,3952 T-m
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
4. Sway Mechanism Lt.4 a
Gambar 3.134 Sway Mechanism Lt.4 a – Portal C2
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 3.135 Sway Mechanism Lt.3 a – Portal C2
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 3.136 Sway Mechanism Lt.2 a – Portal C2
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 3.137 Sway Mechanism Lt.2 a – Portal C2
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 3.138 Sway Mechanism Lt.4 b – Portal C2
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 3.139 Sway Mechanism Lt.3 b – Portal C2
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 3.140 Sway Mechanism Lt.2 b – Portal C2
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 3.141 Sway Mechanism Lt.1 b – Portal C2
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 3.142 Mekanisme Kombinasi 2 – Portal C2
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 3.143 Mekanisme Kombinasi 3 – Portal C2
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 3.144 Mekanisme Kombinasi 4 – Portal C2
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 3.145 Mekanisme Kombinasi 5 – Portal C2
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 3.146 Mekanisme Kombinasi 6 – Portal C2
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 3.147 Mekanisme Kombinasi 7 – Portal C2
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 1,217Mp
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 3.148 Mekanisme Kombinasi 8 – Portal C2
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 + 3 x λ x q live lantai 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 + 3 x 1,3 x 1,0 Tm x 4m x 4m.θ +
1,3 x 9,3534T x 4m. θ + 1,3 x 8,2449T x 8m.θ
= 313,8476 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 313,8476 T-m θ
Mp = 14,4391 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 3.149 Mekanisme Kombinasi 9 – Portal C2
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 + 3 x λ x q live lantai 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 + 3 x 1,3 x 1,0 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
= 395,9105 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 394,9105 T-m θ
Mp = 18,1685 T-m
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217Mp
1,217Mp 1,217M
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 3.150 Mekanisme Kombinasi 10 – Portal C2
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 + 3 x λ x q live lantai 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 + 3 x 1,3 x 1,0 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
= 443,5483 T-m θ
Kerja Dalam = Kerja Luar 21,736 Mp
θ = 443,5483 T-m θ
Mp = 20,4061 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 3.151 Mekanisme Kombinasi 11 – Portal C2
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 + 3 x λ x q live lantai x ½.8m x 4m.θ + 3 x
λ x q live atap 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 + 3 x 1,3 x 1,0 Tm x 4m x 4m.θ +
3 x 1,3 x 0,4 Tm x 4m x 4m. θ + 1,3 x 9,3534T x 4m.θ + 1,3 x
8,2449T x 8m. θ
= 455,8700 T-m θ
Kerja Dalam = Kerja Luar 28,868 Mp
θ = 455,8700 T-m θ
Mp = 15,7915 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 3.152 Mekanisme Kombinasi 12 – Portal C2
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 + 6 x λ x q live lantai 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 + 6 x 1,3 x 1,0 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
= 574,3729 T-m θ
Kerja Dalam = Kerja Luar 33,736 Mp
θ = 574,3729 T-m θ
Mp = 17,0255 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 3.153 Mekanisme Kombinasi 13 – Portal C2
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 + 6 x λ x q live lantai 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 + 6 x 1,3 x 1,0 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
= 623,0107 T-m θ
Kerja Dalam = Kerja Luar 33,736 Mp
θ = 623,0107 T-m θ
Mp = 18,4674 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 3.154 Mekanisme Kombinasi 14 – Portal C2
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 + 6 x λ x q live lantai x ½.8m x 4m.θ + 3 x
λ x q live atap 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 + 6 x 1,3 x 1,0 Tm x 4m x 4m.θ +
3 x 1,3 x 0,4 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
= 759,2691 T-m θ
Kerja Dalam = Kerja Luar 40,936 Mp
θ = 759,2691 T-m θ
Mp = 18,5786 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 3.155 Mekanisme Kombinasi 15 – Portal C2
Kerja Dalam = 36 x Mp .
θ + 8 x 1,217Mp . θ = 45,746 Mp
θ
Kerja Luar = 9 x
λ x q dead x ½.8m x 4m.θ + 9 x λ x q live lantai 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 + 9 x 1,3 x 1,0 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
= 893,9846 T-m θ
Kerja Dalam = Kerja Luar 45,736 Mp
θ = 893,9846 T-m θ
Mp = 19,5466 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 3.156 Mekanisme Kombinasi 16 – Portal C2
Kerja Dalam = 48 x Mp .
θ + 4 x 1,217Mp . θ = 52,936 Mp θ
Kerja Luar = 12 x
λ x q dead x ½.8m x 4m.θ + 9 x λ x q live lantai x ½.8m x 4m.θ + 3 x
λ x q live atap 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 + 9 x 1,3 x 1,0 Tm x 4m x 4m.θ +
3 x 1,3 x 1,0 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
= 1078,8807 T-m θ
Kerja Dalam = Kerja Luar 52,936 Mp
θ = 1078,8807 T-m θ
Mp = 20,4071 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
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Mp Mp
Universitas Sumatera Utara
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