07年上海公路试验检测员考试试题 [复制链接]

A．方形附件B．小试针 C．时间测定仪D．环形附件Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH

2．超声波在传播过程中碰到混凝土内部缺陷时，超声波仪上会出现A。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A、波形畸变、声时增加B、声速提高C、振幅增加Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
3．混凝土中钢筋腐蚀试验的试件的制作，每种技术条件制作4个试件，成型时A。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A、分两次浇筑Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B、分两层浇Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C、分三层浇Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
4、 含水率为4％的湿砂100kg，其中水的重量W=（ A ）kg。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A.W＝100×4％＝4kg  Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B.W＝100－100／(1＋4%)＝3.85kg  Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C.W＝(100－⑷×4％＝3.84kgÅþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
D.3.58kgÅþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
5、 钻芯法检测时，钻取的混凝土芯样试件，制备成高度和直径均为100mm的芯样试件，按JTJ270测得的抗压强度值，是边长为150mm立方体的抗压强度的（ C ）。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A.1.5倍Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B.1.2倍Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C. 1倍Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
D. 0.8Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
6.在砂筛析试验中，应准确称取烘干试样（ A）Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A500g    B1000g    Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH

7.检测预应力混凝土用钢丝的抗拉强度时，取样数量为（ A ）。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A1根/盘Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B2根/盘Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C3根/盘Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
8..在试验室拌制混凝土时，一次拌和量不宜少于搅拌机容量的（ A）。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A20%Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B25%Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C30%Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
9.水泥每验收批抽样不少于（ C ）。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A5㎏Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B 10㎏Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C 12㎏Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
10.做水泥胶砂强度抗折试验时，试件放入抗折夹具内，应使（  C  ）与圆柱接触Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A．顶面          B．底面          C．侧面        D．随便放置Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
11 做砂子的颗粒级配试验时，如果两次试验的细度模数之差（  C  ）超过时，须重新试验。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
  A．0.10            B．0.15          C．0.20          D．0.50      Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
二.多选题Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
1．用插捣法测定DM≤40mm的混凝土密度时，混凝土拌和物应ACE。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A、分三层装入容量筒，每次装入量大致相同，Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B、每层用捣棒均匀插捣15次，Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C、每捣一层完毕后应在容量筒外壁拍打10下，以消除表面气泡；Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
D、如有棒坑留下，用镘刀轻轻抹平；Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
E、试验结果计算至0.01kg/l。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
2、配制普通混凝土，粗骨料粒径最大粒径应符合（ BD）要求。Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
A.不小于钢筋最小净距的3/4Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
B. 不大于钢筋最小净距的3/4Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
C.不小于构件截面最小尺寸的1/4Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
D. 不大于构件截面最小尺寸的1/4Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
E.不大于构件截面最大尺寸的1/4Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
三。判断题Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
1、 用高标号水泥配制低标号混凝土时，需采用掺混合材料措施，才能保证工程的技术经济要求。（ √ ）Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
2、石油沥青的软化点是指试样在测定条件下，因受热而下坠达24.5mm时的温度。（×）Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
3.测定碎石或卵石中的泥块含量用的两台称案的称量分别是20㎏、5㎏；感量分别是20g、10 g。（ ×  ）Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
4..水泥经检验凡氧化镁、三氧化硫、初凝时间、安定性中任一项不符合标准规定时，均为废品。（ √  ）Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
四简答题Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
1 简述2KP压力作用下土工布厚度的操作步骤Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
2 混凝土凝结时间测定Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
3闪光对焊不合格品的判定Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
4压碎指标的操作步骤Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH
5砂的堆积密度试验Åþ‹^éwT8–bbs.3c3t.com|i‹œÁfeH