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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
1
3.4.4 Perhitungan Pembebanan Jurai
Data-data pembebanan : Berat gording
= 12,3 kgm
Tabel Konstruksi Baja hal.56
Berat penutup atap = 50 kgm
2
SNI 03-1727-1989
Berat plafon dan penggantung = 18 kgm
2
SNI 03-1727-1989
Berat profil kuda-kuda = 25 kgm
SNI 03-1727-1989
Gambar 3.12.
Pembebanan jurai akibat beban mati
1. Beban Mati
a. Beban P
1
1. Beban gording =
berat profil gording × panjang gording abc
= 12,3 × 4,96 = 61,01 kg
2. Beban atap = luas atap
a’b’zfed × berat atap
= 6,68 × 50 = 334 kg
3. Beban kuda-kuda = ½ × btg 1 + 5 × berat profil kuda kuda
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
1
= ½ × 1,97 + 1,77 × 6,46 = 12,08 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 12,08
= 3,63 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 12,08
= 1,208 kg 6. Beban plafond
= luas plafond
a’b’zfed × berat plafond
= 5,55 × 18 = 99,9 kg
b. Beban P
2
1. Beban gording =
berat profil gording × panjang gording ghi
= 12,3 × 3,74 = 46,01 kg
2. Beban atap = luas atap deflkj × berat atap
= 5,73 × 50 = 286,5 kg
3. Beban kuda-kuda = ½ × btg 5 + 6 + 9 + 10 × berat profil kuda kuda
= ½ × 1,77 + 1,77 + 0,88 + 1,97 × 6,46 = 20,64 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 20,64
= 6,19 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 20,64
= 2,064 kg c. Beban P
3
1. Beban gording =
berat profil gording × panjang gording mno
= 12,3 × 2,50 = 30,75 kg
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
1
2. Beban atap = luas atap jklrqp × berat atap
= 3,87 × 50 = 193,5 kg
3. Beban kuda-kuda = ½ × btg 6 + 7 + 11 + 12 × berat profil kuda kuda
= ½ × 1,77 + 1,77 + 1,75 + 2,49 × 6,46 = 25,13 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 25,13
= 7,54 kg 5. Beban bracing
= 10 × beban kuda-kuda
= 10 × 25,13
= 2,513 kg
d. Beban P
4
1. Beban gording =
berat profil gording × panjang gording stu
= 12,3 × 1,26 = 15,375 kg
2. Beban atap = luas atap pqrxwv × berat atap
= 1,96 × 50 = 98 kg
3. Beban kuda-kuda = ½ × btg 7 + 8 + 13 × berat profil kuda kuda
= ½ × 1,77+ 1,77 + 2,63 × 6,46 = 19,93 kg
4. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 19,93
= 5,98 kg
5. Beban bracing = 10
× beban kuda-kuda = 10
× 19,93 = 1,993 kg
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
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e. Beban P
5
1. Beban atap = luas atap vwxy × berat atap
= 0,237 × 50 = 11,85 kg
2. Beban kuda-kuda = ½ × btg8 + 15 + 14 × berat profil kuda kuda
= ½ × 1,77+ 3,5+ 3,16 × 6,46 = 27,23 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 27,23
= 8,169 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 27,23
= 2,723 kg
f. Beban P
6
1. Beban plafond =
luas plafond deflkj × berat plafond
= 4,675 × 18 = 84,15 kg
2. Beban kuda-kuda = ½ × btg1 + 2 + 9 × berat profil kuda kuda
= ½ × 1,97 + 1,97 + 0,88 × 6,46 = 15,569 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 15,569
= 4,67 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 15,569
= 1,557 kg
g. Beban P
7
1. Beban plafond = luas plafond jklrqp × berat plafond
= 3,163 × 18 = 56,934 kg
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
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2. Beban kuda-kuda = ½ × btg2 + 3+ 10 + 11 × berat profil kuda kuda
= ½ × 1,97 + 1,97 + 1,97 + 1,75 × 6,46 = 24,75 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 24,75
= 7,423 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 24,75
= 2,475 kg
h. Beban P
8
1. Beban plafond = luas plafond pqrxwv × berat plafond
= 1,6 × 18 = 28,8 kg
2. Beban kuda-kuda = ½ × btg3+4+12+13+14 × berat profil kuda kuda
= ½ × 1,97 + 1,97 + 2,49 + 2,63+3,16 × 6,46 = 39,48 kg
3. Beban plat sambung = 30 × beban kuda-kuda
= 30 × 39,48
= 11,85 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 39,48
= 3,948 kg
i. Beban P
9
1. Beban plafond =
luas plafond vwxy × berat plafond
= 0,194 × 18 = 3,492 kg
2. Beban kuda-kuda = ½ × btg4 + 15 × berat profil kuda kuda
= ½ × 1,97 + 3,5 × 6,46 = 17,67 kg
3. Beban plat sambung = 30 × beban kuda-kuda
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
1
= 30 × 17,67
= 5,31 kg 4. Beban bracing
= 10 × beban kuda-kuda
= 10 × 17,67
= 1,767 kg
Tabel 3.8.
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
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Perencanaan Struktur dan Anggaran Biaya Asrama Mahasiswa 2 Lantaia
Bab 3 Perencanaan Atap
1
P1 334
61,01 12,08
3,63 1,208
99,9 521,828
522 P2
286,5 46,01
20,64 6,19
2,064 -
361,404 362
P3 193,5
30,75 25,13
7,54 2,513
- 259,433
260 P4
98 15,375
19,93 5,98
1,993 -
141,278 142
P5 11,85
- 27,23
8,169 2,723
- 49,972
50 P6
- -
15,569 4,67
1,557 84,15
105,946 106
P7 -
- 24,75
7,423 2,475
56,934 91,582
92 P8
- -
39,48 11,85
3,948 28,8
84,078 85
P9 -
- 17,67
5,31 1,767
3,492 28,239
29
2. Beban Hidup
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