1 in. (1 in. = 2.54 cm). We also determine in the lab its weight and volume at various litions. The following results were obtained: Condition Green Air-dry Oven-dry Weight, W (gms.) 223.1 160.9 143.5 Volume, V(cm³) 396.2 360.9 334.2 Calculate the values of moisture content (M %), specific gravity (G) and unit weight (w) for each corresponding condition. Calculate the volumetric shrinkage that occurs between (i) the green-wood and the air-dry conditions and (ii) between the green-wood and oven-dry conditions
1 in. (1 in. = 2.54 cm). We also determine in the lab its weight and volume at various litions. The following results were obtained: Condition Green Air-dry Oven-dry Weight, W (gms.) 223.1 160.9 143.5 Volume, V(cm³) 396.2 360.9 334.2 Calculate the values of moisture content (M %), specific gravity (G) and unit weight (w) for each corresponding condition. Calculate the volumetric shrinkage that occurs between (i) the green-wood and the air-dry conditions and (ii) between the green-wood and oven-dry conditions
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:We measure the dimensions of a stick of Pacific Silver Fir in its green condition as 6.03 x 2.004 x
2.001 in. (1 in.
conditions. The following results were obtained:
= 2.54 cm). We also determine in the lab its weight and volume at various
Condition
Weight, W (gms.)
Volume, V (cm³)
Green
223.1
396.2
Air-dry
Oven-dry
160.9
360.9
143.5
334.2
a. Calculate the values of moisture content (M %), specific gravity (G) and unit weight (w) for
each corresponding condition.
b. Calculate the volumetric shrinkage that occurs between (i) the green-wood and the air-dry
conditions, and (ii) between the green-wood and oven-dry conditions.
c. Calculate the values of G, for each of the above conditions using Vg for all three. Why do we
use Vg and not any of the other two values of V ?
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