Portal C akibat kombinasi pembebanan 1 Portal C akibat kombinasi pembebanan 2

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