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材料复习 [复制链接]

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建筑材料单选题.Xr•اbbs.3c3t.comÊy:#µq¹MËü

.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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.Xr•اbbs.3c3t.comÊy:#µq¹MËü
度代表值来确定的。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A 、7.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B 、28.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、 3, 7,28.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、(A+B)
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
2、沥青针入度试验可用于测定( D )针入度。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、粘稠沥青.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、液体石油沥青.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、乳化沥青蒸发后残留物 D 、A+C
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、增加砂率.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、减小砂率.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、增加水泥.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、减小水灰比
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
4、对混凝土拌和物流动性影响最大的因素是( D )。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、砂率.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、水泥品种.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、骨料的级配.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、用水量
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
5、某批硅酸盐水泥,经检验其体积安定性不良,则该水泥( A )。 .Xr•اbbs.3c3t.comÊy:#µq¹MËü
A、不得使用.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、可用于次要工程.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、可降低强度等级使用.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、可用于工程,但必须提高用量.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、4mm±1mm.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、2mm~3mm.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、1mm~2mm
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
7、随沥青用量的增加,沥青混合料的空隙率( A )。 .Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、减小.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、增加.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、先减小后增加.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、先增加后减小
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
8、混凝土拌和料发生分层、离析,说明其( B )。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、流动性差.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、粘聚性差.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、保水性差.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、A+B+C
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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 )。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、7.0MPa.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、7.7MPa.Xr•اbbs.3c3t.comÊy:#µq¹MËü
C、9.0MPa.Xr•اbbs.3c3t.comÊy:#µq¹MËü
D、8.0MPa
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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 )。.Xr•اbbs.3c3t.comÊy:#µq¹MËü
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
A
、不合格品.Xr•اbbs.3c3t.comÊy:#µq¹MËü
B、废品
.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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2#

回复:材料复习

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3#

回复:材料复习

非常感谢提供好资料.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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4#

回复:材料复习

.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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5#

回复:材料复习

好材料 支持.Xr•اbbs.3c3t.comÊy:#µq¹MËü
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