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~Î[7b«bbs.3c3t.comUMòJÁÕ<? 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.com~Î[7b«bbs.3c3t.comUMòJÁÕ<?
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一、试验目的~Î[7b«bbs.3c3t.comUMòJÁÕ<?
~Î[7b«bbs.3c3t.comUMòJÁÕ<?测定基层（或底基层）、砂石路面及路基土的各种材料压实层的密度和压实度。~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?二、试验标准~Î[7b«bbs.3c3t.comUMòJÁÕ<?执行规程：《公路路基路面现场测试规程》JTJ 059-1995~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?三、指标~Î[7b«bbs.3c3t.comUMòJÁÕ<?压实度。~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?四、试验方法~Î[7b«bbs.3c3t.comUMòJÁÕ<?1、~Î[7b«bbs.3c3t.comUMòJÁÕ<?
计算干密度~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?ρ——湿密度（g/cm3）~Î[7b«bbs.3c3t.comUMòJÁÕ<?mt——试洞中取出的土样质量（g）~Î[7b«bbs.3c3t.comUMòJÁÕ<?mb——填满试洞所需砂的质量（g）~Î[7b«bbs.3c3t.comUMòJÁÕ<?ρs——量砂密度（g/cm3）~Î[7b«bbs.3c3t.comUMòJÁÕ<?ρd——干密度（g/cm3）~Î[7b«bbs.3c3t.comUMòJÁÕ<?w——含水率（%）~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?2、~Î[7b«bbs.3c3t.comUMòJÁÕ<?
计算压实度~Î[7b«bbs.3c3t.comUMòJÁÕ<?压实度 = 干密度 / 最大干密度~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?3、~Î[7b«bbs.3c3t.comUMòJÁÕ<?
计算代表值、合格率~Î[7b«bbs.3c3t.comUMòJÁÕ<?按照《公路工程质量检验评定标准》附录B。~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?K——代表值~Î[7b«bbs.3c3t.comUMòJÁÕ<?k——平均值~Î[7b«bbs.3c3t.comUMòJÁÕ<?ta——保证率~Î[7b«bbs.3c3t.comUMòJÁÕ<?S——标准差~Î[7b«bbs.3c3t.comUMòJÁÕ<?n——检测点数~Î[7b«bbs.3c3t.comUMòJÁÕ<?K0——标准值~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?五、合格判定~Î[7b«bbs.3c3t.comUMòJÁÕ<?1、~Î[7b«bbs.3c3t.comUMòJÁÕ<?
当代表值大于标准值，且全部单点值大于极值，按不低于规定值减2个百分数的单点值计算合格率。~Î[7b«bbs.3c3t.comUMòJÁÕ<?2、~Î[7b«bbs.3c3t.comUMòJÁÕ<?
当代表值小于标准值，或有单点值小于极值，为不合格。QQ:654590599~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<?~Î[7b«bbs.3c3t.comUMòJÁÕ<? %20(2)_1.gif)
