Pelat Lantai Perhitungan Pembebanan Pelat 1.

X L L Ekui L q q    3 1 1 . 95 , 4 1 3 1 1 .    L Ekui q = 1,65 kNm Trapesium :                   2 2 . 3 1 1 2 1 Y X X D D Ekui L L L q q            20 95          2 2 . . 10 , 4 3 1 1 95 , 4 28 , 10 2 1 D Ekui q = 23,45 kNm                   2 2 . 3 1 1 2 1 Y X X L L Ekui L L L q q                     2 2 . 2 , 10 95 , 4 3 1 1 95 , 4 1 2 1 L Ekui q = 2,28 kNm

4.5.2. Pelat Lantai

a Beban mati - Berat sendiri pelat 30 cm = 0,30 m x 24 KNm 3 = 7,2 kNm 2 - Berat kaca tebal 8 mm = 0,08 x 25,79 KNm 3 = 2,06 kNm 2 - Berat aluminium 4 mm = 0,04 x 27 = 1,08 kNm 2 - Berat ½ bata = 2,45 kNm 2 - Plafon dan M dan E = 0,18 kNm 2 - Pipa + ducting AC = 0,4 kNm 2 - Spesi 2 cm = 0,02m x 0,21 kNm 3 = 0,0042 kNm 2 - Tegel 0,8 cm = 0,008m x 0,11 kNm 3 = 0,0008 kNm 2 + DL = 13,38 kNm 2 68 b Beban hidup - Beban hidup lantai perkantoran LL = 2,5 kNm 2 PELAT LANTAI TIPE A 7.80 3.9. 3.9 10.20 7.80 10.20 Gambar 4.4. Pembebanan Pelat Lantai Tipe A Segitiga : X D D Ekui L q q    3 1 1 . 80 , 7 38 , 13 3 1 1 .    D Ekui q = 34,79 kNm X L L Ekui L q q    3 1 1 . 80 , 7 5 , 2 3 1 1 .    L Ekui q = 6,5 kNm 69 Trapesium :                   2 2 . 3 1 1 2 1 Y X X D D Ekui L L L q q                  2 . 20 . 10 8 , 7 3 1 1 8 , 7 38 , 13 2 1 D Ekui q    2 = 42,01 kNm                   2 2 . 3 1 1 2 1 Y X X L L Ekui L L L q q                     2 2 . 2 , 10 8 , 7 3 1 1 8 , 7 5 , 2 2 1 L Ekui q = 7,84 kNm PELAT LANTAI TIPE B 5.10 10.20 5.10 10.20 10.20 10,.20 Gambar 4.5. Pembebanan Pelat Lantai Tipe B Segitiga : X D D Ekui L q q    3 1 3 . 2 , 10 38 , 13 3 1 3 .    D Ekui q = 45,49 kNm X L L Ekui L q q    3 1 3 . 2 , 10 5 , 2 3 1 3 .    L Ekui q = 8,5 kNm 70 Trapesium :                   2 4 . 3 1 1 2 1 Y X X D D Ekui L L L q q                     2 4 . 2 , 10 2 , 10 3 1 1 2 , 10 38 , 13 2 1 D Ekui q = 45,49 kNm                   2 4 . 3 1 1 2 1 Y X X L L Ekui L L L q q                     2 4 . 2 , 10 2 , 10 3 1 1 2 , 10 5 , 2 2 1 L Ekui q = 8,5 kNm PELAT ATAP TIPE C 4.95 2.475. 2.475 10.20 4.95 10.20 Gambar 4.6. Pembebanan Pelat Lantai Tipe C Segitiga : X D D Ekui L q q    3 1 1 . 95 , 4 38 , 13 3 1 1 .    D Ekui q = 22,08 kNm X L L Ekui L q q    3 1 1 . 71 95 , 4 5 , 2 3 1 1 .    L Ekui q = 4,13 kNm Trapesium :                   2 2 . 3 1 1 2 1 Y X X D D Ekui L L L q q            20 95          2 2 . . 10 , 4 3 1 1 95 , 4 38 , 13 2 1 D Ekui q = 30,52 kNm                   2 2 . 3 1 1 2 1 Y X X L L Ekui L L L q q                     2 2 . 2 , 10 95 , 4 3 1 1 95 , 4 5 , 2 2 1 L Ekui q = 5,7 kNm

4.6. Perhitungan Beban P Balok Portal Melintang