commit to user 97
Tugas akhir Perencanaan Struktur Gedung Swalayan 2 Lantai RAB
BAB 3 Perencanaan Atap
a.Luas atap ll”n”n = ln × nn”
= 2,4051 × 5 = 12,0255 m
2
b. Luas atap jj”l”l = jl × ll”
= 2,4542 × 5 = 12,271 m
2
c. Luas atap hh”j”j = hj × jj”
= 2,4542 × 5 = 12,271 m
2
d. Luas atap ff”h”h = fh × hh”
= 2,4542 × 5 = 12,271 m
2
e. Luas atap dd”f”f = df × ff”
= 2,4542 × 5 = 12,271 m
2
f. Luas atap bb”d”d = bd × dd”
= 2,4542 × 5 = 12,271 m
2
g. Luas atap aa”b”b = ab × bb”
= 1,2271 × 5 = 6,1355 m
2
Panjang gording mm”= mm’ × m’m”
= 2,5 × 2,5 = 5 m
2
Panjang gording kk” = kk’ × k’k”
= 2,5 × 2,5 = 5 m
2
Panjang gording ii” = ii’ × i’i”
= 2,5 × 2,5 = 5 m
2
Panjang gording gg” = gg’ × g’g”
= 2,5 × 2,5 = 5 m
2
Panjang gording ee” = e’ × e’e”
= 2,5 × 2,5 = 5 m
2
Panjang gording cc” = cc’ × c’c”
= 2,5 × 2,5 = 5 m
2
Panjang gording aa” = aa’ × a’a”
= 2,5 × 2,5 = 5 m
2
commit to user 98
Tugas akhir Perencanaan Struktur Gedung Swalayan 2 Lantai RAB
BAB 3 Perencanaan Atap
Luasan plafond kuda-kuda utama seperti terlihat pada Gambar 3.22.
Gambar 3.22. Luasan Plafon Kuda-kuda Utama
Panjang
a’b’ = ½.2,0833 = 1,04165 m
Panjang
a’b’ = ab = a”b”
Panjang
b’d’ = 2,0833 m
Panjang
b’d’ = bd = df = fh = hj = jl = b’d’= d’f’ = f’h’= h’j’= j’l’= b”d”
=
d”f”= f”h”= h”j”= j”l”
Panjang
m’n’ = 1 m
Panjang
l’n’ = a’b’+ m’n’ = 2,04165 m Panjang aa
= 2,5 m Panjang
aa’ = bb’= cc’= dd’= ee’= ff’= gg’= hh’= ii’= jj’= kk’= ll’= mm’= nn’= a’a”= b’b”= c’c”= d’d”= e’e”= f’f”= g’g”= h’h”= i’i”=
j’j”= k’k”= l’l”= m’m”= n’n”
Panjang
aa” = aa’ + a’a” = 2,5 + 2,5 = 5 m
U R
L L
commit to user 99
Tugas akhir Perencanaan Struktur Gedung Swalayan 2 Lantai RAB
BAB 3 Perencanaan Atap
Panjang
aa” = bb”= dd”= ff”= hh”= jj”= ll”= nn
a.Luas plafond ll”n”n = ln × nn”
= 2,04165 × 5 = 10,20825 m
2
b. Luas plafond jj”l”l
= jl × ll” = 2,0833 × 5 = 10,4165 m
2
c. Luas plafond hh”j”j
= hj × jj” = 2,0833 × 5 = 10,4165 m
2
d. Luas plafond ff”h”h = fh × hh”
