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材料复习 [复制链接]

1#

建筑材料单选题(õeìiîzŠ­bbs.3c3t.comó¶Iö؄\Tí

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

回复:材料复习

(õeìiîzŠ­bbs.3c3t.comó¶Iö؄\Tí
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3#

回复:材料复习

非常感谢提供好资料(õeìiîzŠ­bbs.3c3t.comó¶Iö؄\Tí
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4#

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(õeìiîzŠ­bbs.3c3t.comó¶Iö؄\Tí
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5#

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好材料 支持(õeìiîzŠ­bbs.3c3t.comó¶Iö؄\Tí
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