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åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.comåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
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一、试验目的åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh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。åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh二、试验标准åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh执行规程:《公路路基路面现场测试规程》JTJ 059-1995åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh三、指标åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh压实度。åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh四、试验方法åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh1、åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
计算干密度åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhρ——湿密度(g/cm3)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhmt——试洞中取出的土样质量(g)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhmb——填满试洞所需砂的质量(g)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhρs——量砂密度(g/cm3)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhρd——干密度(g/cm3)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhw——含水率(%)åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh2、åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
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计算代表值、合格率åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh按照《公路工程质量检验评定标准》附录B。åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhK——代表值åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhk——平均值åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhta——保证率åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhS——标准差åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhn——检测点数åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhK0——标准值åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh五、合格判定åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh1、åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
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。åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh2、åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh
当代表值小于标准值,或有单点值小于极值,为不合格。QQ:654590599åÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWhåÉîÔG9:û*bbs.3c3t.comï"êÉ¡bµWh