1、随着普通混凝土砂率的增大,混凝土的坍落度将(C )。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、增大; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、减小; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、先增后减; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、先减后增 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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2、规范规定,普通水泥混凝土的抗弯拉强度是以( C)方式来测定的。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、小简支梁模型; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、三分点单点加载; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、三分点双点加载; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、纯拉 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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3、与沥青粘滞性无关的指标是(D )。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、粘稠性; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、软化点; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、针入度; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、粘附性 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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4、能够造成水泥混凝土坍落度降低的因素是( A) 。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、将卵石换成碎石; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、使用减水剂; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、将细砂改为粗砂; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、采用强制搅拌方式; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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5、沥青的(A )越大,表示沥青的感温性越低。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、软化点; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、延度; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、脆点; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、针入度指数 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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6、不会影响到砂石材料取样数量的因素是( D) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、公称最大粒径; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、试验项目; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、试验内容; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、试验时间 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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7、水泥混凝土抗折强度试验,试件断裂面在规定范围之外时,该试件试验结果作废。是否在规定范围内,其判断依据是以(B)。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、两加荷点界限为准; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、两加荷点与底面中轴线交点范围为准; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、两加荷点与顶面中轴线交点范围为准; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、两加荷点与侧面中轴线交点范围为准。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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8、同组3个混凝土试件28d抗折强度试验结果分别为:5.1MPa、5.5MPa、6.5MPa,该组试件的强度代表值为(A )。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、5.5MPa; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、5.3MPa; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、6.7MPa; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、作废。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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9、除道路水泥之外,修筑水泥混凝土路面最适宜的水泥品种是( C)。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、矿渣水泥; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、火山灰水泥; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、普通硅酸盐水泥; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、粉煤灰水泥; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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10、通过采用集料表干质量计算得到的密度是(B )。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、表观密度; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、毛体积密度; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、真密度; ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、堆积密度。 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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11、某试验荷载率(加压率)取0.5,则当初始荷载取50kPa时,下一级荷载为( A) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、100kPa ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、25kPa ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、75kPa ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、125kPa ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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12、通过直剪试验可测定土体的( D) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、压缩模量和压缩系数 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、粘聚力和内摩擦角 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、弹性模量和压缩指数 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、先期固结压力 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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13、液性指数主要应用于评价(A ) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、各种土的状态 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、砂土的状态 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、粘性土的状态 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、粗粒土的状态 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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14、现行《公路土工试验规程》在土的粒组划分中,粗粒组与细粒组是以( C)为分界的 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、0.1mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、0.05mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、0.074mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、0.002mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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15、在现行《公路土工试验规程》中砾石成分的代号为:(C ) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、B ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、C ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、G ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、S ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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16、现行《公路土工试验规程》中液、塑限联合测定法适用于粒径不大于(A )的土 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、0.5mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、1.0mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、2.0mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、0.25mm ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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17、用酒精燃烧法测定含水量时,试样需重复燃烧的次数为(A ) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、3次 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、5次 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、2次 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、4次 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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18、用液塑限联合测定仪测试某一土样的液塑限时,其所得原始数据一般表示在什么坐标图形上:(C ) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、h~w ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、lgh~w ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、lgh~lgw ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、h~lgw ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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19、用灌砂法测定土的密度之前,需要事先标定的内容有( B) ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、一项 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、两项 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、三项 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、四项 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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20、在理论上,土中含水量的概念一般定义为土中( C)的质量与土中固相物质质量之比的百分数 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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A、结合水和自由水 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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B、结合水 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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C、自由水 ÞÉu¹ªÄbbs.3c3t.com22"a
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ÞÉu¹ªÄbbs.3c3t.com22"a
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D、液相 ÞÉu¹ªÄbbs.3c3t.com22"a
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