Determine the Mass of Solids, Ms. (Units of g, 2 decimal places)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Initial data for determining the specific gravity of a soil sample is given below:
Calibration of Pycnometer
(1) Mass of dry clean pycnometer, M₁ = 317.11 g
(2) Mass of pycnometer + water at calibration temperature, Mpw,c = 903.03 g
(3) Observed temperature of water at calibration, Tc = 26.4°C
Secondary data for the determination of Specific Gravity is as follows:
Determination No:
Mass of pycnometer + soil + water at test temperature, Mpws,t (9)
Test Temperature, T₁ (°C)
Mass of pycnometer + water at T₁, Mpw,t (9)
Evaporating dish no.
Mass of evaporating dish, Md (9)
Mass of evaporating dish + oven-dried soil, Mds (g)
Mass of solids, Ms (9)
1
966.17
22.3
1
15.52
115.51
Conversion factor, K
Specific gravity of soil, Gs@20°C
Determine the Mass of Solids, Ms. (Units of g, 2 decimal places)
Expert Solution

Step 1 Introduction and given data
The pycnometer method is used to determine the water content of a soil specimen and the specific gravity of the soil solids of an oven-dry soil specimen.
Soil exists primarily in 3 phases namely
- Soil solids
- Water
- Air
On oven-drying water evaporates and only soil solid and air remains.
To determine the mass of the soil solids,
Given,
Mass of evaporating dish,
Mass of evaporating dish + oven-dry soil,
Step by step
Solved in 3 steps

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