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³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.com³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
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一、试验目的³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê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。³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê二、试验标准³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê执行规程:《公路路基路面现场测试规程》JTJ 059-1995³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê三、指标³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê压实度。³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê四、试验方法³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê1、³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
计算干密度³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êρ——湿密度(g/cm3)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êmt——试洞中取出的土样质量(g)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êmb——填满试洞所需砂的质量(g)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êρs——量砂密度(g/cm3)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êρd——干密度(g/cm3)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êw——含水率(%)³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê2、³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
计算压实度³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê压实度 = 干密度 / 最大干密度³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê3、³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
计算代表值、合格率³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê按照《公路工程质量检验评定标准》附录B。³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êK——代表值³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êk——平均值³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êta——保证率³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êS——标准差³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ên——检测点数³èE7c²'bbs.3c3t.comë(Ò@Ì·%2êK0——标准值³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê五、合格判定³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê1、³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
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。³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê2、³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
当代表值小于标准值,或有单点值小于极值,为不合格。QQ:654590599³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê³èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê