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发表于 2013-05-16 07:53
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注意:附件里题一样,不用下载!!!Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R―、单项选择题Áß·<gbbs.3c3t.comî,/H*R 1.表征沥青对温度敏感程度的感温性指标是()。Áß·<gbbs.3c3t.comî,/H*R A.针入度Áß·<gbbs.3c3t.comî,/H*R B.针入度指数Áß·<gbbs.3c3t.comî,/H*R C.软化点Áß·<gbbs.3c3t.comî,/H*R D.加热质量损失Áß·<gbbs.3c3t.comî,/H*R标准答案:BÁß·<gbbs.3c3t.comî,/H*R 2.一组三根标准水泥混凝土抗折试件进行抗折试验,其极限破坏荷载分别是 35.7kN、37.5kN、43.2kN,则最后的试验结果是( Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*RA.试验作废 Áß·<gbbs.3c3t.comî,/H*R B.5.00MPaÁß·<gbbs.3c3t.comî,/H*R C.4.88MPaÁß·<gbbs.3c3t.comî,/H*R D.5.17MPaÁß·<gbbs.3c3t.comî,/H*R标准答案:BÁß·<gbbs.3c3t.comî,/H*R 二、判断题Áß·<gbbs.3c3t.comî,/H*R 1.石料磨光值越大,说明其抗磨光性能越差。()正确( )不正确Áß·<gbbs.3c3t.comî,/H*R 标准答案:不正确Áß·<gbbs.3c3t.comî,/H*R 2.具有较好高低温性能的沥青混合料结构类型是骨架密实型。()正确 ()不正确Áß·<gbbs.3c3t.comî,/H*R标准答案:正确Áß·<gbbs.3c3t.comî,/H*R 三、多项选择题Áß·<gbbs.3c3t.comî,/H*R 1.采用控制(Áß·<gbbs.3c3t.comî,/H*R )等措施,保证水泥混凝土的耐久性。Áß·<gbbs.3c3t.comî,/H*R A.最大用水量Áß·<gbbs.3c3t.comî,/H*R B.最佳砂率Áß·<gbbs.3c3t.comî,/H*R C.最大水灰比Áß·<gbbs.3c3t.comî,/H*R D.最小水泥用量Áß·<gbbs.3c3t.comî,/H*R标准答案:C,DÁß·<gbbs.3c3t.comî,/H*R 2.钢尺按零点位置可分为()。Áß·<gbbs.3c3t.comî,/H*R A.端点尺Áß·<gbbs.3c3t.comî,/H*R B.刻线尺Áß·<gbbs.3c3t.comî,/H*R C.分微尺Áß·<gbbs.3c3t.comî,/H*R D.测微尺Áß·<gbbs.3c3t.comî,/H*R标准答案:A,BÁß·<gbbs.3c3t.comî,/H*R 四、综合题Áß·<gbbs.3c3t.comî,/H*R 根据所列资料,以选择题的形式(单选或多选)选出正确的选项。Áß·<gbbs.3c3t.comî,/H*R 某工程对所用沥青样品进行室内检测,测得的结果和实际值列于下表:Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R指Áß·<gbbs.3c3t.comî,/H*R 标Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 实测结果Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 真实值Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 针入度(0.1mm)Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 78Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 85Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 软化点(℃)Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 50Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 45Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 延度(cm)Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 三个平行结果是 90,105,103Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| >100Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 薄膜烘箱试验结果Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 质最变化(%)Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| -1.1Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| ―Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 针入度比(%)Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 85Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| ―Áß·<gbbs.3c3t.comî,/H*R Áß·<gbbs.3c3t.comî,/H*R
| 结合表中数据,回答下列有关沥青性能方面的问题。Áß·<gbbs.3c3t.comî,/H*R 1.根据针入度检测结果,描述正确的选项是(Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*RA.该沥青属于70号沥青Áß·<gbbs.3c3t.comî,/H*R B.实测结果与真实结果相差的原因在于检测室温度偏低或针贯入时间偏长造成Áß·<gbbs.3c3t.comî,/H*R C.如以实测结果确定的标号作为沥青选择的依据,配制的沥青混合料有可能引起髙温稳定性不良的问题Áß·<gbbs.3c3t.comî,/H*R D.按照实测结果所表示的沥青黏稠度要大于实际沥青的黏稠度Áß·<gbbs.3c3t.comî,/H*R 2.根据软化点检测结果,描述正确的选项是(Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*RA.造成软化点结果与实际值的偏差可能在于试验过程中升温速率偏高所致Áß·<gbbs.3c3t.comî,/H*R B.软化点不仅表示沥青在加热时的稳定性,还与沥青的黏稠性有关Áß·<gbbs.3c3t.comî,/H*R C.如果软化点超出100℃,则试验时杯中应采用甘油进行加热,同时升温起点温度从32℃开始Áß·<gbbs.3c3t.comî,/H*R D.软化点高,将有利于沥青混合料的高温稳定性Áß·<gbbs.3c3t.comî,/H*R 3.根据延度试验结果,延度结果应表示为(Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*RA.99cm Áß·<gbbs.3c3t.comî,/H*R B.104cm Áß·<gbbs.3c3t.comî,/H*R C.>100cm Áß·<gbbs.3c3t.comî,/H*R D.均有可能Áß·<gbbs.3c3t.comî,/H*R4.针对薄膜烘箱试验,认为(Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*R A.薄膜烘箱试验即可评价沥青的高温稳定性,也可评价沥青的抗老化性Áß·<gbbs.3c3t.comî,/H*R B.根据试验得到的质量变化率,认为该沥青具有较好的抗老化性Áß·<gbbs.3c3t.comî,/H*R C.薄膜烘箱试验结果中质量变化可负可正Áß·<gbbs.3c3t.comî,/H*R D.针入度比结果意味着经过薄膜烘箱试验,沥青的针入度降低 Áß·<gbbs.3c3t.comî,/H*R 5.对上述四项指标,表述正确的是(Áß·<gbbs.3c3t.comî,/H*R )。Áß·<gbbs.3c3t.comî,/H*RA.在我国,南方地区采用的沥青标号要比北方地区低一些Áß·<gbbs.3c3t.comî,/H*R B.软化点加热升温速率要控制在5℃±0.5℃的范围,如超出该范围,试验结果将会偏高Áß·<gbbs.3c3t.comî,/H*R C.沥青高低温与延度值大小有关Áß·<gbbs.3c3t.comî,/H*R D.薄膜烘箱试验可用旋转薄膜烘箱代替Áß·<gbbs.3c3t.comî,/H*R 标准答案:1.C,DÁß·<gbbs.3c3t.comî,/H*R 2.A,B,DÁß·<gbbs.3c3t.comî,/H*R 3.A Áß·<gbbs.3c3t.comî,/H*R 4.C,DÁß·<gbbs.3c3t.comî,/H*R 5.A,DÁß·<gbbs.3c3t.comî,/H*R
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