That depends on soil type.
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# If for real prohject, do not guess, you should use the result from test. This is very fundmental parameter for soil.
7
yp} "qxu9Hg! If you just input some number for prastice, you can pick number from your Geotechnical book.
[ 此贴被mano在2007-09-02 16:58重新编辑 ]