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Tugas Akhir
Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
1. Beban Mati
a. Beban P
1
1. Beban gording =
berat profil gording × panjang gording abc
= 12,3 × 5 = 61,5 kg
2. Beban atap = luas atap a’b’zfed × berat atap
= 9,7 × 50 = 485 kg
3. Beban kuda-kuda = ½ × btg 1 + 5 × berat profil kuda kuda
= ½ × 1,768 + 1,904 × 2,42 = 4,44 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 45,9
= 13,77 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 45,9
= 4,59 kg 6. Beban plafond
= luas plafond a’b’zfed × berat plafond
= 9,7 × 18 = 174,6 kg
b. Beban P
2
1. Beban gording =
berat profil gording × panjang gording ghi
= 12,3 × 3,75 = 46,125 kg
2. Beban atap = luas atap deflkj × berat atap
= 5,4 × 50 = 270 kg
3. Beban kuda-kuda = ½ × btg 5 + 6 + 9 + 10 × berat profil kuda kuda
= ½ × 1,904 + 1,904 + 0,707 + 1,904 × 2,42 = 7,77 kg
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Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 80,2375
= 24,071 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 80,2375
= 8,02375 kg
c. Beban P
3
1. Beban gording =
berat profil gording × panjang gording mno
= 12,5 × 2,50 = 30,75 kg
2. Beban atap = luas atap jklrqp × berat atap
= 3,63 × 50 = 181,5 kg
3. Beban kuda-kuda = ½ × btg 6 + 7 + 11 + 12 × berat profil kuda kuda
= ½ × 1,904 + 1,904 + 1,421 + 2,264 × 2,42 = 9,07 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 93,6625
= 28,099 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 93,6625
= 9,36625 kg d.
Beban P
4
1. Beban gording =
berat profil gording × panjang gording stu
= 12,3 × 1,25 = 15,375 kg
2. Beban atap = luas atap pqrxwv × berat atap
= 1,83 × 50 = 91,5 kg
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Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
3. Beban kuda-kuda = ½ × btg 7 + 8 + 13 × berat profil kuda kuda
= ½ × 1,904+ 1,904 + 2,123 × 2,42 = 7,176 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 74,1375
= 22,241 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 74,1375
= 7,41375 kg e.
Beban P
5
1. Beban atap = luas atap vwxy × berat atap
= 0,239 × 50 = 11,95 kg
2. Beban kuda-kuda = ½ × btg8 + 15 + 14 × berat profil kuda kuda
= ½ × 1,904+ 2,83 + 3,337 × 2,42 = 9,77 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 100,8875
= 30,266 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 100,8875
= 10,08875 kg f.
Beban P
6
1. Beban plafond = luas plafond deflkj × berat plafond
= 4,689 × 18 = 84,402 kg
2. Beban kuda-kuda = ½ × btg1 + 2 + 9 × berat profil kuda kuda
= ½ × 1,768 + 1,768 + 0,707 × 2,42 = 5,134 kg
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Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 53,0375
= 15,911 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 53,0375
= 5,30375 kg
g. Beban P
7
1. Beban plafond = luas plafond jklrqp × berat plafond
= 3,154 × 18 = 56,772 kg
2. Beban kuda-kuda = ½ × btg2 + 3+ 10 + 11 × berat profil kuda kuda
= ½ × 1,768 + 1,768 + 1,904 + 1,421 × 2,42 = 8,30 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 85,7625
= 25,729 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 85,7625
= 8,57625 kg
h. Beban P
8
1. Beban plafond = luas plafond pqrxwv × berat plafond
= 1,591 × 18 = 28,638 kg
2. Beban kuda-kuda = ½ × btg3+4+12+13+14 × berat profil kuda kuda
= ½ × 1,768 + 1,768 + 2,64 + 2,123+3,337 × 2,42 = 14,08 kg
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Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 145,45
= 43,635 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 145,45
= 14,545 kg i.
Beban P
9
1. Beban plafond = luas plafond vwxy × berat plafond
= 0,196 × 18 = 3,528 kg
2. Beban kuda-kuda = ½ × btg4 + 15 × berat profil kuda kuda
= ½ × 1,768 + 2,83 × 2,42 = 5,56 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 57,475
= 17,2425 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 57,475
= 5,7475kg
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Tugas Akhir
Perencanaan Struktur Gedung Asrama 2 Lantai RAB
Bab 3 Perencanaan Atap
Tabel 3.3. Rekapitulasi Beban Mati Jurai
Beban Beban
Atap kg
Beban gording
kg Beban
Kuda- kuda
kg Beban
Bracing kg
Beban Plat Penyambun
g kg Beban
Plafon kg
Jumlah Beban
kg Input
SAP 2000
kg P1
485 61,5
4,44 4,59
13,77 174,6
743,9 744
P2 270
46,125 7,77
8,02375 24,071
- 355,99
356 P3
181,5 30,75
9,07 9,36625
28,099 -
258,78 259
P4 91,5
15,375 7,176
7,41375 22,241
- 143,71
144 P5
59,175 -
9,77 10,08875
30,266 -
109,299 110
P6 -
- 5,134
5,30375 15,911
84,402 110,75
111 P7
- -
8,30 8,57625
25,729 56,772
99,37 100
P8 -
- 14,08
14,545 43,635
28,638 100,89
101 P9
- -
5,56 5,7475
17,2425 3,528
32,078 33
2. Beban Hidup