Portal C akibat kombinasi pembebanan 3

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 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

3.5.3.4 Rekapitulasi Momen Plastis pada Portal C