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

建筑材料单选题AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï

AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
度代表值来确定的。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A 、7AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B 、28AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、 3, 7,28AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、(A+B)
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
2、沥青针入度试验可用于测定( D )针入度。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、粘稠沥青AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、液体石油沥青AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、乳化沥青蒸发后残留物 D 、A+C
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、增加砂率AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、减小砂率AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、增加水泥AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、减小水灰比
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
4、对混凝土拌和物流动性影响最大的因素是( D )。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、砂率AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、水泥品种AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、骨料的级配AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、用水量
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
5、某批硅酸盐水泥,经检验其体积安定性不良,则该水泥( A )。 AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A、不得使用AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、可用于次要工程AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、可降低强度等级使用AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、可用于工程,但必须提高用量AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、4mm±1mmAÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、2mm~3mmAÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、1mm~2mm
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
7、随沥青用量的增加,沥青混合料的空隙率( A )。 AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、减小AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、增加AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、先减小后增加AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、先增加后减小
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
8、混凝土拌和料发生分层、离析,说明其( B )。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、流动性差AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、粘聚性差AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、保水性差AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、A+B+C
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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 )。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、7.0MPaAÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、7.7MPaAÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
C、9.0MPaAÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
D、8.0MPa
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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 )。AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
A
、不合格品AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
B、废品
AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
tuguihua - 2008/8/13 16:17:00
:default6:AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
lidexing - 2009/2/23 11:01:00
非常感谢提供好资料AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
libin1 - 2009/3/23 11:00:00
:default5:AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
xuzhenquan - 2009/4/17 23:31:00
好材料 支持AÝžÂ6Ÿ×bbs.3c3t.comÕ7Á"ºˆ Ï
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