Calculate the U-value for the wall: a) without regard to the studs; b) with the studs according to the λ - and U value method. c) Compare results. Show as a percentage how much U with studs is greater than U without Proportion of studs in construction: 45/600=0.075 (7.5%); Rsi (inside)=Rsu (in the air gap)=0.13 m2K/W
Calculate the U-value for the wall: a) without regard to the studs; b) with the studs according to the λ - and U value method. c) Compare results. Show as a percentage how much U with studs is greater than U without Proportion of studs in construction: 45/600=0.075 (7.5%); Rsi (inside)=Rsu (in the air gap)=0.13 m2K/W
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Calculate the U-value for the wall:
a) without regard to the studs;
b) with the studs according to the λ - and U value method.
c) Compare results. Show as a percentage how much U with studs is greater than U without
Proportion of studs in construction: 45/600=0.075 (7.5%);
Rsi (inside)=Rsu (in the air gap)=0.13 m2K/W
Transcribed Image Text:10
O D
ป
...
utomhus
inomhus
44 lockpanel
36 luftspalt välventilerad
9 mm gipsskiva utekvalitet, λ = 0,25 W/m . °C
170 mm mineralull, 45x170 reglar c/c 600,
A_MU = 0,036 resp. A_trä = 0,14 W/m . °C
ångspärr
2gipsskivor 2x9mm, λ = 0,22 W/m - °C
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