If only relationships (e.g., void ratio or unit weight) are given, the quantity of soil is indefinite and only

other relationships can be calculated. Nevertheless, it is convenient to solve such problems using a phase

diagram and assuming one fixed weight or volume value. That quantity of solids, water, or soil is “brought

to the paper” and used to calculate corresponding quantities of components. Although any one quantity

can be assumed to have any value, the following assumptions simplify calculations:

# Weight–Volume Problems Involving Only Relationships

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