1. Calculate the following properties for the data provided in the Table below for a coarse aggregate sample. a. Bulk SSD specific gravity b. Bulk Dry specific gravity A Bulk Dry Sp. Gr. = c. Apparent specific gravity d. Absorption capacity. В — С B Bulk SSD Sp. Gr. = В — С where A Apparent Sp. Gr. = A = dry weight B = SSD weight C = submerged weight A – C В — А Absorption (%) F(100) A Weight of Pan + SSD Aggregate Weight of Submerged Aggregate Weight of Pan Weight of Pan + Oven- Dry Aggregate 0.8495 Ib 1.9885 lb 0.6870 Ib 1.9630 Ib
1. Calculate the following properties for the data provided in the Table below for a coarse aggregate sample. a. Bulk SSD specific gravity b. Bulk Dry specific gravity A Bulk Dry Sp. Gr. = c. Apparent specific gravity d. Absorption capacity. В — С B Bulk SSD Sp. Gr. = В — С where A Apparent Sp. Gr. = A = dry weight B = SSD weight C = submerged weight A – C В — А Absorption (%) F(100) A Weight of Pan + SSD Aggregate Weight of Submerged Aggregate Weight of Pan Weight of Pan + Oven- Dry Aggregate 0.8495 Ib 1.9885 lb 0.6870 Ib 1.9630 Ib
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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100%
Transcribed Image Text:1. Calculate the following properties for the data provided in the Table below for a coarse
aggregate sample.
a. Bulk SSD specific gravity
b. Bulk Dry specific gravity
A
Bulk Dry Sp. Gr. =
c. Apparent specific gravity
d. Absorption capacity.
В — С
B
Bulk SSD Sp. Gr. =
В — С
where
A
Apparent Sp. Gr. =
А — С
A = dry weight
B = SSD weight
C = submerged weight
В — А
(100)
A
Absorption (%)
Weight of Pan + Oven-
Dry Aggregate
Weight of Pan
Weight of Submerged
Aggregate
Weight of Pan + SD
Aggregate
0.8495 Ib
1.9885 lb
0.6870 lb
1.9630 Ib
2. If the Moisture Content of a stockpile sample of the same coarse aggregates is 1.85 %, what
is the moisture state of aggregate sample? Select from the four standard moisture states.
Explain how you arrived at the answer.
3. If Bulk unit weight of coarse aggerates is 98 Ib/ft³determine the % Voids of dry-rodded
aggregate.
Youlk
S.G(Bulk Dry)*Pwater
%Solids
* 100
4. Determine the % solids for 2 cases discussed in pre-lab video by using below data.
Cylindrical container:
Diameter of large marble = 35.25 mm
No. if large marbles needed to fill container = 35
Diameter = 105 mm; Height = 210 mm
%3D
%3D
Diameter of Small marble = 11.1 mm
%3D
No. of small marbles used to fill void space between large marbles = 460
%3D
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