1、随着普通混凝土砂率的增大,混凝土的坍落度将(C )。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、增大;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、减小;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、先增后减;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、先减后增)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、小简支梁模型;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、三分点单点加载;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、三分点双点加载;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、纯拉)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
3、与沥青粘滞性无关的指标是(D )。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、粘稠性;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、软化点;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、针入度;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、粘附性)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
4、能够造成水泥混凝土坍落度降低的因素是( A) 。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、将卵石换成碎石;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、使用减水剂;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、将细砂改为粗砂;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、采用强制搅拌方式;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
5、沥青的(A )越大,表示沥青的感温性越低。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、软化点;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、延度;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、脆点;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、针入度指数)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
6、不会影响到砂石材料取样数量的因素是( D))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、公称最大粒径;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、试验项目;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、试验内容;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、试验时间)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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)。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、两加荷点界限为准;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、两加荷点与底面中轴线交点范围为准;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、两加荷点与顶面中轴线交点范围为准;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、两加荷点与侧面中轴线交点范围为准。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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 )。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、5.5MPa;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、5.3MPa;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、6.7MPa;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、作废。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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)。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、矿渣水泥;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、火山灰水泥;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、普通硅酸盐水泥;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、粉煤灰水泥;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
10、通过采用集料表干质量计算得到的密度是(B )。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、表观密度;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、毛体积密度;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、真密度;)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、堆积密度。)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、100kPa)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、25kPa)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、75kPa)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、125kPa)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
12、通过直剪试验可测定土体的( D))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、压缩模量和压缩系数)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、粘聚力和内摩擦角)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、弹性模量和压缩指数)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、先期固结压力)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
13、液性指数主要应用于评价(A ))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、各种土的状态)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、砂土的状态)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、粘性土的状态)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、粗粒土的状态)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、0.1mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、0.05mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、0.074mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、0.002mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
15、在现行《公路土工试验规程》中砾石成分的代号为:(C ))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、B)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、C)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、G)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、S)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、0.5mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、1.0mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、2.0mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、0.25mm)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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 ))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、3次)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、5次)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、2次)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、4次)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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 ))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、h~w)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、lgh~w)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、lgh~lgw)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、h~lgw)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
19、用灌砂法测定土的密度之前,需要事先标定的内容有( B))ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、一项)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、两项)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、三项)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、四项)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
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)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
A、结合水和自由水)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
B、结合水)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
C、自由水)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ
D、液相)ð-,Â+Ybbs.3c3t.comêóåºf°uÇ