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ôíûd'1¿bbs.3c3t.comר½ÜúnÖ 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.comôíûd'1¿bbs.3c3t.comר½ÜúnÖ
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一、试验目的ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
ôíûd'1¿bbs.3c3t.comר½ÜúnÖ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。ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ二、试验标准ôíûd'1¿bbs.3c3t.comר½ÜúnÖ执行规程:《公路路基路面现场测试规程》JTJ 059-1995ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ三、指标ôíûd'1¿bbs.3c3t.comר½ÜúnÖ压实度。ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ四、试验方法ôíûd'1¿bbs.3c3t.comר½ÜúnÖ1、ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
计算干密度ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖρ——湿密度(g/cm3)ôíûd'1¿bbs.3c3t.comר½ÜúnÖmt——试洞中取出的土样质量(g)ôíûd'1¿bbs.3c3t.comר½ÜúnÖmb——填满试洞所需砂的质量(g)ôíûd'1¿bbs.3c3t.comר½ÜúnÖρs——量砂密度(g/cm3)ôíûd'1¿bbs.3c3t.comר½ÜúnÖρd——干密度(g/cm3)ôíûd'1¿bbs.3c3t.comר½ÜúnÖw——含水率(%)ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ2、ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
计算压实度ôíûd'1¿bbs.3c3t.comר½ÜúnÖ压实度 = 干密度 / 最大干密度ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ3、ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
计算代表值、合格率ôíûd'1¿bbs.3c3t.comר½ÜúnÖ按照《公路工程质量检验评定标准》附录B。ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖK——代表值ôíûd'1¿bbs.3c3t.comר½ÜúnÖk——平均值ôíûd'1¿bbs.3c3t.comר½ÜúnÖta——保证率ôíûd'1¿bbs.3c3t.comר½ÜúnÖS——标准差ôíûd'1¿bbs.3c3t.comר½ÜúnÖn——检测点数ôíûd'1¿bbs.3c3t.comר½ÜúnÖK0——标准值ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ五、合格判定ôíûd'1¿bbs.3c3t.comר½ÜúnÖ1、ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
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。ôíûd'1¿bbs.3c3t.comר½ÜúnÖ2、ôíûd'1¿bbs.3c3t.comר½ÜúnÖ
当代表值小于标准值,或有单点值小于极值,为不合格。QQ:654590599ôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖôíûd'1¿bbs.3c3t.comר½ÜúnÖ