1、蜡对沥青路用性能的影响主要为( AB)。<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、高温时沥青变软;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、低温变脆;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、集料与沥青的粘附性能;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、路面抗滑性能;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
2、在进行沥青针入度试验时,应严格控制(ABD )<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、温度;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、针与针连杆的总质量;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、隔离剂的调配;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、针尖与试样表面的接触<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
3、影响沥青和矿料之间粘附性的因素包括有(ACD )。<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、拌和机械的拌和效果;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、拌和时矿料的干燥程度;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、矿料的酸碱性;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、矿料的表面的粗糙性<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
4、过高的水灰比对水泥混凝土造成的消极影响是(AD )。<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、粘聚性和保水性较差;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、消耗更多的水泥;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、耐久性不好;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、不利于强度的提高<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
5、混凝土用砂应尽量采用(AC )的砂。<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、空隙率小;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、粒径分布集中;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、总表面积小;<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、空隙率和总表面积均较大<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
6、现行《公路土工试验规程》中常用测定土含水量的方法为:(AC )<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、烘干法和碳化钙气压法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、炒干法和红外线照射法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、酒精燃烧法和比重法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、微波加热法和实容法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
7、塑限测定方法有:(AD )<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、联合测定法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、圆锥仪法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、碟式仪法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、搓条法<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
8、剪切试验所得土的强度指标,可以用于( AB)<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、估算地基承载力<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、评价土体稳定性<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、评价土的密实状态<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、计算地基的沉降量<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
9、土的组成不可能为( BCD)<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、三相体<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、两相体<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、四相体<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、五相体<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
10、土工原位测试试验有:( BCD)<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
A、击实试验<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
B、压缩试验<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
C、十字板剪切试验<¯K)Èè7bbs.3c3t.com4d;[ölù
<¯K)Èè7bbs.3c3t.com4d;[ölù
D、标准贯入试验<¯K)Èè7bbs.3c3t.com4d;[ölù