4-portal-dan-pelengkung-tiga-sendi

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Soal 3: Portal 3 <strong>sendi</strong> dengan beban titik Hitunglah reaksi tumpuan, gambarkan Free Body Diagram (FBD), Shearing Force Diagram (SFD), Bending Momen Diagram (BMD) <strong>dan</strong> Normal Forced Diagram (NFD) pada gambar dibawah ini. 0,5 m 2,5 m 15 T 2 m 5 T D C S E F 3 m A RAH RBH B RAV 3 m 2 m Penyelesaian : RBV
ΣMB = 0 RAV. 5+ 5.3 – 15.2 = 0 RAV = 3 T ( ) ΣMA = 0 -RBV. 5 + 15.3 + 5.3 = 0 RBV = 12 T ( ) ΣMS = 0 Dari bagian sebelah kiri S RAV.2,5 – RAH.5 -5.2 = 0 3.2,5 – RAH.5 -5.2 = 0 RAH = -0,5 T ( ) kekiri, asumsi awal salah RAH = 0,5 T ΣMS = 0 Dari bagian sebelah kanan S -RBV.2,5 + RBH.5 + 15.0,5 = 0 -12.2,5 + RBH.5 + 15.0,5 = 0 RBH = 4,5 T ( ) kekanan ΣV = 0 RAV +RBV - 15 = 0 ΣH = 0 RAH - 5 + RBH = 0 Ok..!!! Ok..!!! 15 T D S E F 3 T 12 T 3 T 4,5 T 4,5 T 12 T D F 5 T C A 0,5 T 4,5 T B 3 T 12 T Free Body Diagram (FBD)
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 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 and 38: Y 10.3(1-cos ) kN Ncy = Nc.cos α N
Page 39 and 40: Tabel Perhitungan Sudut α Nc = -30
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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