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¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 重庆海特小天才数字试验系统软件为您提供.www.hiteksoft.com¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
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一、试验目的¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 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。¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 二、试验标准¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 执行规程：《公路路基路面现场测试规程》JTJ 059-1995¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 三、指标¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 压实度。¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 四、试验方法¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 1、¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
计算干密度¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ρ——湿密度（g/cm3）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë mt——试洞中取出的土样质量（g）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë mb——填满试洞所需砂的质量（g）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ρs——量砂密度（g/cm3）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ρd——干密度（g/cm3）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë w——含水率（%）¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 2、¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
计算压实度¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 压实度 = 干密度 / 最大干密度¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 3、¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
计算代表值、合格率¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 按照《公路工程质量检验评定标准》附录B。¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë K——代表值¸^våp©2|@bbs.3c3t.com`¾lõ§´ë k——平均值¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ta——保证率¸^våp©2|@bbs.3c3t.com`¾lõ§´ë S——标准差¸^våp©2|@bbs.3c3t.com`¾lõ§´ë n——检测点数¸^våp©2|@bbs.3c3t.com`¾lõ§´ë K0——标准值¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 五、合格判定¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 1、¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
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。¸^våp©2|@bbs.3c3t.com`¾lõ§´ë 2、¸^våp©2|@bbs.3c3t.com`¾lõ§´ë
当代表值小于标准值，或有单点值小于极值，为不合格。QQ:654590599¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë ¸^våp©2|@bbs.3c3t.com`¾lõ§´ë %20(2)_1.gif)
