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songzb60 - 2008/8/13 16:14:00

建筑材料单选题p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì

p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
1、普通混凝土的强度等级是以具有95%保证率的( B )天的标准尺寸立方体抗压强p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
度代表值来确定的。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A 、7p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B 、28p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、 3, 7,28p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、(A+B)
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
2、沥青针入度试验可用于测定( D )针入度。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、粘稠沥青p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、液体石油沥青p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、乳化沥青蒸发后残留物 D 、A+C
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
3、试拌调整混凝土时,发现拌和物的保水性较差,应采用( A )的措施来改善。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、增加砂率p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、减小砂率p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、增加水泥p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、减小水灰比
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
4、对混凝土拌和物流动性影响最大的因素是( D )。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、砂率p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、水泥品种p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、骨料的级配p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、用水量
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
5、某批硅酸盐水泥,经检验其体积安定性不良,则该水泥( A )。 p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A、不得使用p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、可用于次要工程p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、可降低强度等级使用p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、可用于工程,但必须提高用量p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
6、测定水泥凝结时间时,当试针沉至距底板( A )时,即为水泥达到初凝状态。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、4mm±1mmp)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、2mm~3mmp)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、1mm~2mm
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
7、随沥青用量的增加,沥青混合料的空隙率( A )。 p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、减小p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、增加p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、先减小后增加p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、先增加后减小
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
8、混凝土拌和料发生分层、离析,说明其( B )。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、流动性差p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、粘聚性差p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、保水性差p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、A+B+C
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
9、水泥胶砂强度试验三条试体28天抗折强度分别为7.0MPa,9.0MPa,7.0MPa,则抗折强度试验结果为( A )。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、7.0MPap)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、7.7MPap)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
C、9.0MPap)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
D、8.0MPa
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
10、水泥初凝时间不符合规定为( B ),终凝时间不符合规定为( A )。p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
A
、不合格品p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
B、废品
p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
tuguihua - 2008/8/13 16:17:00
:default6:p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
lidexing - 2009/2/23 11:01:00
非常感谢提供好资料p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
libin1 - 2009/3/23 11:00:00
:default5:p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
xuzhenquan - 2009/4/17 23:31:00
好材料 支持p)qEW5ñžêsbbs.3c3t.com£bB48 Ìúì
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