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Volume 6 – Geotechnical Manual, Site Investigation and Engineering ...

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Chapter<br />

5 INTERPRETATION OF SOIL PROPERTIES<br />

Table 5.1 Representativ<br />

ve Permeability Values for Soils<br />

The permeability (k) can be determined from the dissipation test data, either by use of the direct<br />

correlative relationship presented earlier, or alternatively by the evaluation of the<br />

coefficient of<br />

consolidation c h . Assuming radial flow, the horizontal permeability (k h ) is obtained from:<br />

k h =<br />

(5.20)<br />

where D'<br />

= constrained modulus obtained from oedometer tests.<br />

5-22<br />

March 2009

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