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lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.comlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
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一、试验目的lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì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。lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì二、试验标准lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì执行规程：《公路路基路面现场测试规程》JTJ 059-1995lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì三、指标lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì压实度。lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì四、试验方法lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì1、lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
计算干密度lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìρ——湿密度（g/cm3）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìmt——试洞中取出的土样质量（g）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìmb——填满试洞所需砂的质量（g）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìρs——量砂密度（g/cm3）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìρd——干密度（g/cm3）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìw——含水率（%）lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì2、lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
计算压实度lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì压实度 = 干密度 / 最大干密度lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì3、lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
计算代表值、合格率lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì按照《公路工程质量检验评定标准》附录B。lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìK——代表值lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìk——平均值lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìta——保证率lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìS——标准差lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìn——检测点数lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìK0——标准值lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì五、合格判定lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì1、lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
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。lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì2、lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì
当代表值小于标准值，或有单点值小于极值，为不合格。QQ:654590599lzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïìlzsé½÷µ*bbs.3c3t.comj¬ðeMÈïì %20(2)_1.gif)
