"挤密碎石桩", When we use this soil improvement method. "碎石" we always use. But forget "挤密", how to densify the soil? " 碎石"(granualr material) is for drainage in this site.
`[Z?&'CRQ E-Cj^#OY|N The main issue is densification. The vibro, compaction or other methods are use to densify after filling granular material in the hole.
&hqGGfVsd \s+<w3 Remember, the sand has no strength without confining stress.
+F4xCz7f cl14FrpYu If the CPT value is not meet the requirement, it may be less densification when construction.
[ 此贴被mano在2007-08-25 11:03重新编辑 ]