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<h2 class="hd hd-2 unit-title">Lecture</h2>
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<p><span style="color: #333333; font-family: 'Open Sans', sans-serif; font-size: 15px;">Chapter 4 - Seepage through Unsaturated Soils </span><span style="color: #333333; font-family: 'Open Sans', sans-serif; font-size: 15px;">is dedicated to the theory and solution dealing with water flow problems in unsaturated soil. Focus is made on the measurement of unsaturated coefficient of permeability function for design purposes. Steady state and unsteady (transient) state methodologies are explained for the calculation of unsaturated coefficients of permeability. Selected water flow case studies are shown.</span></p>
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