《建筑材料试验检测》试题（B卷）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i单位 姓名 准考证号 成绩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i一、单项选择题ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
（30题/15分）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i1、复合水泥在水泥分类中属于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、专用水泥ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、特性水泥ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、通用水泥ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i2、硅酸盐水泥在生产过程中，萤石是一种ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、助磨剂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、矿化剂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、调凝剂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i3、水泥试件养护水池中的水ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
天要更换一次。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、14ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、28ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i4、目前国产硅酸盐水泥的最高强度等级为ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
级。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、42.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、52.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、62.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、72.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i5、进入工地料库的袋装水泥取样检验时，每批应从不少于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
袋中抽取。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、20ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、30ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i6、用水筛法检验水泥细度时，喷头水压应为ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
AÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
±0.02MPa。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、0.05ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、0.1ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、0.15ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、0.20ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i7、水泥胶砂强度检验(ISO法)灰砂比为：ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、1：2ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、1：2.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、1:3ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、1:4ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i8、水泥胶砂试件进行抗压强度试验时，试件受压面积为： BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、40㎜×62.5㎜ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、40㎜×40㎜ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、40㎜×50㎜ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i9、如想了解水泥粗细颗粒级配情况，应采用ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
DÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、负压筛ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、水筛ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、干筛ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、比表面积（勃氏法）。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i10、检验人工砂中的石粉含量，应采用ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、筛析法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、亚甲蓝法 ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、水洗法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i11、水泥混凝土配合比设计如用细砂，则其砂率应较中砂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、增大ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、不变ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、减小ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i12、Ⅲ类碎石宜用于强度等级ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
的水泥混凝土。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、>C60ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、C30～C60ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、<C30ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i13、配制公路桥涵工程混凝土，粗集料中小于2.5㎜的颗粒含量不应大ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
%。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、2ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、3ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i14、可以使用ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
AÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
种水拌合混凝土。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、PH值5-6ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、海水ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、硫酸盐含量为（2700mg～3000 mg）/LÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i15、配制C50级混凝土所用粗集料的母岩抗压强度至少应为ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
MPa。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、50ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、60ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、75ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、80ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、100ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i16、泵送混凝土之坍落度不宜小于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
㎜。 ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、60ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、80ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、100ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、120ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E150ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i17、抗渗混凝土每立方米中水泥加掺合料的总量不宜少于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
kg。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、300ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、320ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、350ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、380ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i18、水泥混凝土用粉煤灰的细度指标筛孔尺寸为ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
AÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
㎜。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、0.080ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、0.045ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、0.16ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i19、一组混凝土试件的抗压强度值分别为:26.5MPa、27.0MPa、31.6MPa则此组试件的强度代表值为 BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
MPa。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、26.5MPaÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、27.0MPaÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、31.6MPaÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i20、高效减水剂的减水率不小于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
%为合格。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、8ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、12ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i21、道路石油沥青的溶解度（三氯乙烯）应不小于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
DÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
%。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、90ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、95ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、98ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、99ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i22、道路用液体石油沥青蒸馏后残留物的延度（25℃）应大于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
[5cm/min（cm）]ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、50ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、60ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、70ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、80ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i23、国家标准建筑石油沥青有 BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
个牌号。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、2ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、3ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、4ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i24、沥青针入度试验标准针的直径为㎜。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、1.0～1.02ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、1.5～1.52ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、2.0～2.1ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i25、沥青与石料的低温粘结性试验，非经注明，试验温度应为ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
℃。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、-10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、-15ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、-18ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、-20ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i26、热拌石油沥青混合料施工时的碾压温度应不低于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
℃。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、90ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、100ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、110ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、120ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i27、检测沥青混合料的高温稳定性须进行ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
试验。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、弯曲ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、车辙ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、劈裂冻融ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、抽提筛分ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i28、高速公路沥青混合料的填料宜采用ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
CÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
经磨细得到的矿粉。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、花岗岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、石英岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、石灰岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、天然砂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i29、高速公路面层用粗集料的吸水率应不大于ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
AÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
%。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、2ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、4ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i30、沥青混凝土面层检查其抗滑构造深度，宜采用ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
BÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、水准仪法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、铺砂法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、3m直尺法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i二、多项选择题ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
（20题/20分）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i1、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
硅酸盐水泥的凝结硬化分为______ABD_______三个阶段。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、潜化期（诱导期）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 凝结期ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、稳定期 ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、 硬化期ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i2、生产硅酸盐水泥熟料的主要原料有 ___ACD_____ 三种。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 石灰石ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 花岗石ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
粘土ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、铁矿石（粉）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、白云石ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i3、以下二种材料___CD_____属于火山灰质混合材料。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 粒化高炉矿渣ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 石英砂ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、 凝灰岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、 煤矸石ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i4、混凝土减水剂的技术指标包括__AB______等二个方面。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、掺外加剂砼性能指标ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
匀质性指标ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、抗冻性指标ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
抗渗性指标ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i5、混凝土膨胀剂适用于以下 _____ABD__三种混凝土。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、补偿收缩混凝土ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
填充用膨胀混凝土ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、大体积混凝土ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
自应力混凝土ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i6、粗集料含水率试验可用__AC____ 两种方法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 烘箱法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 网篮法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、 酒精燃烧法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、透气法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i7、进行细集料砂当量试验_ACE____三种试剂必不可少。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 无水氯化钙ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 盐酸ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
甲醛ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
EDTAÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
丙三醇ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i8、检测混凝土凝结时间所用测针的承压面积为______（mm2）三种。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、10ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 20ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、 30ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、 50ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、 100ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i9、采用标准养护的混凝土试件应符合___ABC___条件。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
在温度为20±5℃环境中静置1～2昼夜ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iB、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
拆摸后放入 温度20±2℃，相对湿度95%以上标养室中ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
或放在温度20±2℃的不流动的Ca(OH)2 饱和溶液中ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
经常用水直接冲淋其表面以保持湿润ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i10、按《普通混凝土配合比设计规程》规定的公式计算碎石混凝土水灰比时，经常用到_AB____二个系数。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
0.46ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 0.07ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
0.618ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
0.707ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i11、公路水泥混凝土路面配合比设计在兼顾经济性的同时，应满足AC_D____等三项技术要求。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
弯拉强度ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 抗压强度ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
工作性ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
耐久性ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、抗拉拔力ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i12、用非标准立方体混凝土试件做抗压强度试验时应乘以CD_____尺寸换算系数。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 0.85ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、0.90ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、0.95ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、1.05ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、1.15ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i13、检验沥青混合料水稳定性的方法有__BD___。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 车辙试验ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
浸水马歇尔试验ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、 弯曲试验ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
冻融劈裂试验ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i14、压实沥青混合料的密度试验可用_ABCD____等四种方法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 表干法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 水中重法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
蜡封法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、 体积法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
射线法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
F、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
色谱法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i15、公路工程石料抗压静弹性模量试验可用__ABC___等三种方法。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
电阻应变仪法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 镜式引伸仪法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iC、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
杠杆引伸仪法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、 超声波法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、 化学法ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i16、寒冷地区沥青路面宜选用的沥青标号为_ABC____等三种。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 AH-90ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 AH-110ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、 100ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、A-140ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、A-180ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i17、指出三种高速公路沥青表面层常用的抗滑耐磨石料__ABE___ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 安山岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 玄武岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
页岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、 白云岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、 花岗岩ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i18、在公路沥青路面施工过程中，对于矿粉的质量应视需要检查其_ABC____等三种指标。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 外观ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、 含水量ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、 ＜0.075㎜含量ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、 亲水系数ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
视密度ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i19、国产重交通道路粘稠石油沥青，可满足高等级公路的使用要求，因其具有___ABCD____________四个特点。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、 含蜡量低ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
高温粘度大ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
低温延伸性好ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iD、 抗老化性能好ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
E、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
比重小ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
F、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
软化点低ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i20、温暖地区沥青路面进行表面处置，如采用煤沥青，宜选用___AB____________等标号。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iA、T-6ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
B、T-7ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
C、 T-8ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
D、 T-9ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i三、判断题ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
（20题/20分）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i1、在硅酸盐水泥熟料中含有少量游离氧化镁，它水化速度慢并产生体积膨胀，是引起水泥安定性不良的重要原因（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i2、凡细度、终凝时间、不溶物和烧失量中任一项不符合标准规定时，称为废品水泥（ *ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i3、为防止封存期内水泥样品质量的下降，可将样品用食品塑料薄膜袋装好，并扎紧袋口放入白铁样品桶内密封（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i4、存放时间超过6个月的水泥，应重新取样检验，并按复验结果使用。（*ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i5、水泥混凝土路面所用水泥中C4AF含量高时，有利于砼抗折强度的提高（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
√ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i6、公路桥涵砌体工程用水泥砂浆抗压试件应以3块为一组（ *ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i7、洛杉矶法粗集料磨耗试验，可测定标准条件下粗集料抵抗摩檫、撞击的能力（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
√ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i8、公路桥涵钢筋混凝土冬期施工，可适量掺入氯化钙`氯化钠等外加剂（ *ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i9、有抗冻要求的混凝土工程应尽量采用火山灰质硅酸盐水泥，以发挥其火山灰效应（ *ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i10、冬期施工搅拌混凝土时，可将水加热，但水泥不应与80℃以上的热水直接接触（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i11、混凝土掺粉煤灰时的超量取代系数，Ⅱ级粉煤灰为1.3～1.7（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i12、常用的木质磺酸钙减水剂的适宜用量为水泥用量的2～3%（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
*ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i13、分析石油沥青的化学组分，可用三组分分析法，也可用四组分分析法（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
*ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i14、沥青的相对密度是指在规定温度下，沥青质量与同体积煤焦油质量之比（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
*ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i15、为提高沥青的耐久性，抑制其老化过程，可以加入‘专用碳黑’（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i16、沥青中含有较多石蜡，可以改善其路用性能（ *ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i17、开级配沥青混凝土混合料的剩余空隙率大于密级配沥青混凝土混合料的剩余空隙率（ √ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i18、沥青混合料弯曲试验试件，是用轮碾法成型的（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
√ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i19、沥青混合料中沥青用量对抗滑性影响不大（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
*ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i20、高速公路沥青表面层应选用抗滑耐磨石料，石料磨光值应大于42（ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
√ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i四、简答题ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
（5题/25分）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i1、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
简述硅酸盐水泥熟料中四种矿物组成的主要特性（从反应速度、放热量、强度、耐化学侵蚀性、干缩性等方面阐述）。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i2、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
用于水泥混凝土中的粉煤灰分为几级？主要根据哪几项指标来划分的？ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i3、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
什么是碾压混凝土？这种混凝土有什么优点？ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i4、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
什么是乳化沥青？这种材料的优越性有哪些？ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i5、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
什么是压实沥青混合料的沥青饱和度？ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i五、计算题ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
（2题/20分）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i1、ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
某公路混凝土工程设计等级为C20。要求坍落度30～50（㎜），水泥为P .O 32、5级，河砂，细度模数2.80；碎石5～31.5㎜连续级配。水泥强度富余系数1.08，试设计其初步配合比。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>iÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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某混凝土工程共制取检查试件11组，试验结果如下表，请计算其标准差和变异系数。ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i水泥混凝土立方抗压强度（Mpa）ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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45.3ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
38.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
44.0ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
48.2ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
47.5ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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44.0ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
44.7ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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46.3ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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ÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i监理检测网 www.kiii.cnÛÑV1 ¯ðHbbs.3c3t.coml^ ïr_>i
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