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CHAPTER 2 INDEX AND CLASSIFICATION PROPERTIES OF SOILS 2-1. From memory, draw a phase diagram (like Fig. 2.2, but don’t look first!). The “phases†have a Volume side and Mass side. Label all the parts. SOLUTION: Refer to Figure 2.2. 2-2. From memory, write out the definitions for water content, void ratio, dry density, wet or moist density, and satu density. SOLUTION: Refer to Section 2.2. 2-3. Assuming a value of ÃÂs = 2.7 Mg/m3 , take the range of satu density in Table 2.1 for the six soil types and calculate/estimate the range in void ratios that one might expect for these soils. SOLUTION: Create a spreadsheet using input values from Table 2.1 and Eq. 2.18. ÃÂ' - min ÃÂ' - max emax emin (Mg/m3 ) (Mg/m3 ) 0.9 1.4 0.89 0.21 0.4 1.1 3.25 0.55 1.1 1.4 0.55 0.21 0.9 1.2 0.89 0.42 0.0 0.1 ∞ 16.00 0.3 0.8 4.67 1.13
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