4-portal-dan-pelengkung-tiga-sendi

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10.3(1-cos ) kN Dari persamaan keseimbangan dapat dihitung Nc (NFD), Vc (SFD), <strong>dan</strong> Mc (BMD): A Ncy = Nc.cos α Nc Mc C Ncx = Nc.sin α Vcx = Vc.cos α Vc Vcy = Vc.sin α R 1 = 3 m SFD Fx = 0 Nc sin – Vc cos = 0 Vc = Nc sin / cos BMD Mc = 30.3(1-cos ) – 30(1-cos ). ½.3(1-cos ) Mc = 90(1-cos ) – 90/2.(1-cos ) 2 Mc = 90(1-cos ) – 45.(1-cos ) 2 R AV = 30 kN 3(1-cos ) NFD Fy = 0 30 – 30(1-cos ) + Nc cos + Vc sin = 0 30 – 30 – 30.cos ) + Nc cos + (Nc sin / cos ) sin = 0 30.cos + Nc cos + Nc sin 2 /cos = 0 Nc = – 30.cos 2 Vc = – 30. sin .cos
Tabel Perhitungan Sudut α Nc = -30.cos 2 α Vc = -30.sinα .cos α Mc = 90.(1-cos α) - 45.(1-cos α) 2 0 -30 0 0 15 -27.99 -7.5 3.01 30 -22.5 -12.99 11.25 45 -15 -15 22.5 60 -7.5 -12.99 33.75 90 0 0 45 120 -7.5 12.99 33.75 135 -15 15 22.5 150 -22.5 12.99 11.25 180 -30 0 0
Page 1 and 2: MEKANIKA STRUKTUR I PORTAL DAN PELE
Page 3 and 4: 2. Portal 3 Sendi S S sambungan kak
Page 5 and 6: P P P Deformasi/pergeseran besar P
Page 8: Sendi Sendi Sendi
Page 11 and 12: ΣMB = 0 RAV. 5+ 5.3 - 15.2 = 0 RAV
Page 13 and 14: (+) BMD MA = 0 MC = 5.3 = 15 Tm MD
Page 15 and 16: Soal 2: Portal dengan beban merata
Page 17 and 18: D 15 KN/m 0 KN 0 KN 50 KN 40 KN 40
Page 19 and 20: 40 KN 28,289 KN D E C F 22 KN B 56,
Page 22 and 23: Soal 3: Portal 3 sendi dengan beban
Page 24 and 25: (+) (+) (-) 3 T D D (+) S E F F C 4
Page 26 and 27: (-) (-) D S F C 3 T A B 12 T Normal
Page 28 and 29: ΣMB = 0 RAV. 13+ 30.2 -15.6.7 - 40
Page 30 and 31: 50 KN 28,5 KN 23,288 KN (+) G E (+)
Page 32: 82,5 KNm BMD MA = 0 KNm MC = 4,5.2,
Page 35 and 36: Y P Pada potongan yang ditinjau ter
Page 37: Y 10.3(1-cos ) kN Ncy = Nc.cos α N
Page 41 and 42: 45 22,5 ( +) 22,5 45° 45° Bending
Page 44 and 45: Soal 6 : Pelengkung 3 sendi dengan
Page 46 and 47: 10.3(1-cos ) kN Ncy = Nc.cos α Nc
Page 48 and 49: 25,61 15 20,49 20,49 ( - ) ( - ) 25
Page 50 and 51: 9 5,22 5,22 9 11,25 (-) (-) 11,25 4
Page 52 and 53: R = 5m Arah reaksi-reaksi tumpuan d
Page 54 and 55: q = 10 kN/m Gaya-gaya dalam (ditinj
Page 56 and 57: α β xc (m) yc (m) Nc (KN) Vc (KN)
Page 58 and 59: (+) (-) 0 (+) (-) Shearing Force Di
Page 60 and 61: Soal 8 : Pelengkung 3 sendi dengan
Page 62 and 63: 10,243 . R BV + 4,243 . R BH = 524,
Page 64 and 65: R = 6 m Titik S ( = 90°): 10 kN/m
Page 66 and 67: 6,2175 8,789 (-) 0,011 -36,2175 She
Page 69 and 70: Mekanika Struktur I Diketahui Konst

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