土工试验检测》试题答案 ?Fcá/*7bbs.3c3t.comR_%X½D'
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一、填空题 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.一般情况下,土是由 土粒、空水和水 所组成的三相松散性。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.天然密度的定义是 土的质量与土的体积之比:ρ=m/V 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.含水量的定义是 土中水的质量与土粒质量之比:Wo=mw/ms 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.孔隙比的定义是 土中孔隙的体积与土粒的体积之比:e=Vv/Vs 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.影响土的工程性质的三个主要因素是 土的三相组成 、土的物理状态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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土的结构 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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6.粗粒土的工程性质在很大程度上取决于 土的颗粒级配 可按 ?Fcá/*7bbs.3c3t.comR_%X½D'
粒径级配累积曲线再细分成若干亚类。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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7.细粒土的工程性质取决于 土的粒径级配、土粒的矿物成份和形状 ?Fcá/*7bbs.3c3t.comR_%X½D'
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塑性指数或者液限加塑性指数 ?Fcá/*7bbs.3c3t.comR_%X½D'
作为分类指标。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.界限含水量包括 液限和塑限 ,前者指 ?Fcá/*7bbs.3c3t.comR_%X½D'
土可塑状态的上限含水量 ,后者指 土可塑状态的下限含水量 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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9.击实试验目的是求 ?Fcá/*7bbs.3c3t.comR_%X½D'
最佳含水量和最大干密度,而测试的是 ?Fcá/*7bbs.3c3t.comR_%X½D'
击实后土的含水量和天然密度。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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10.直剪试验中剪切方法有 ?Fcá/*7bbs.3c3t.comR_%X½D'
快剪、固结快剪、慢剪 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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11.压缩试验中常用的压缩试验指标包括压缩系数(压缩指数) ?Fcá/*7bbs.3c3t.comR_%X½D'
、压缩模量、先期固结压力 ?Fcá/*7bbs.3c3t.comR_%X½D'
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二、单项选择 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.土粒比重Gs的定义式为:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A. ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.干密度 ?Fcá/*7bbs.3c3t.comR_%X½D'
的定义式为:B ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.相对密度Dr的定义式为:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A. ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.砾的成分代号为:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.B B.C C.G D.S ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.含石膏的含水量测试时,烘干温度为:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.75℃~80℃ B.65℃~70℃ ?Fcá/*7bbs.3c3t.comR_%X½D'
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C.105℃~110℃ D.110℃~120℃ ?Fcá/*7bbs.3c3t.comR_%X½D'
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6.含石膏的含水量测试时,烘干时间为:D ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.4小时 B.6小时 C.8小时 D.8小时以上 ?Fcá/*7bbs.3c3t.comR_%X½D'
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7.水泥稳定土的含水量测试时,烘箱温度开时为:D ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.室温 B.65℃~70℃ C.75℃~80℃ D.105℃~110℃ ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.含水量低于缩限时,水分蒸发时土的体积为:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.不再缩小 B.缩小 C.增大 D.不详 ?Fcá/*7bbs.3c3t.comR_%X½D'
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9.液塑限联合测定义测试数据表示在 图形上。C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.h~ ?Fcá/*7bbs.3c3t.comR_%X½D'
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D.h-lg ?Fcá/*7bbs.3c3t.comR_%X½D'
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10.直剪试验的目的是测定:B ?Fcá/*7bbs.3c3t.comR_%X½D'
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C.T,N D. ?Fcá/*7bbs.3c3t.comR_%X½D'
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11.击实试验的目的是测定:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A. ?Fcá/*7bbs.3c3t.comR_%X½D'
op B. ?Fcá/*7bbs.3c3t.comR_%X½D'
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12.直剪试验得到的库仑公式是:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.F=fN+C B.F=fN C. ?Fcá/*7bbs.3c3t.comR_%X½D'
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13.压缩试验中在什么曲线上确定先期固结压力Pc。B ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.e~p B.e~ ?Fcá/*7bbs.3c3t.comR_%X½D'
gp曲线 C. ge~ ?Fcá/*7bbs.3c3t.comR_%X½D'
gp曲线 D.h-lg ?Fcá/*7bbs.3c3t.comR_%X½D'
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14.EDTA二钠名称为:B ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.氯化钠 ?Fcá/*7bbs.3c3t.comR_%X½D'
B.乙二胺四乙酸二钠 C.氢氧化钠 D.酒石酸钾钠 ?Fcá/*7bbs.3c3t.comR_%X½D'
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15.压缩试验中,稳定标准时间是:B ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.12小时 B.24小时 C.48小时 D.一周以上 ?Fcá/*7bbs.3c3t.comR_%X½D'
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16.标准贯入试验中,标准贯入装置锤重为:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.4.5kg B.2.5kg C.63.5kg D.100g ?Fcá/*7bbs.3c3t.comR_%X½D'
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17.静力触探试验中单桥静力触探头可测得:A ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.比贯入阻力 B.锥尖阻力 C.侧摩阻力 D.粘聚力 ?Fcá/*7bbs.3c3t.comR_%X½D'
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18.土的压缩试验中试样体积的变化是:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.空气体积压缩 B.水体积压缩 ?Fcá/*7bbs.3c3t.comR_%X½D'
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C.孔隙体积的减小 D.土颗粒体积压缩 ?Fcá/*7bbs.3c3t.comR_%X½D'
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19.击实试验中,至少应制备的不同含水量试样为:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.3个 B.4个 C.5个 D.6个 ?Fcá/*7bbs.3c3t.comR_%X½D'
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20.土粒比重的单位是:C ?Fcá/*7bbs.3c3t.comR_%X½D'
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A.KN/m3 B.kg/m3 C.无 D.KPa ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
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ABACA DDACB ACBBB CACCC ?Fcá/*7bbs.3c3t.comR_%X½D'
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三、多项选择题 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
1.试验数据表达在笛卡尔直角坐标上的试验有:ABC ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.击实试验 B.压缩试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.剪切试验 D.液塑限试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
2.试验数据表达在一级对数坐标系上的试验有:AB ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.颗粒级配 B.压缩试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.剪切试验 D.液塑限试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
3.土工原位测试试验有:CD ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.击实试验 B.压缩试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.十字板剪切试验 D.标准贯入试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
4.土的压缩性表现在那些方面:ABC ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.空气排出 B.水排出 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.空气压缩 D.土颗粒压缩 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
5.压缩试验曲线表达在:AD ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.e~p B.lge~p ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.lge~lgp D.e~lgp ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
6.液限测定方法有:ABC ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.联合测定法 B.圆锥仪法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.碟式仪法 D.搓条法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
7.塑限测定方法有:AD ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.联合测定法 B.圆锥仪法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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C.碟式仪法 D.搓条法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
8.含水量的测试方法有:ABCD ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.烘干法 B.酒精燃烧法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.碳化钙气压法 D.比重法 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
9. 密度的测试方法有:ABD ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.环刀法 B.腊封法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
C.比重法 D.灌砂法 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
10.原位测试中强度的测试方法有:ABC ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
A.静力触探试验 B.旁压试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
C.平板载荷试验 C.钻孔波速试验 ?Fcá/*7bbs.3c3t.comR_%X½D'
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四、判断题(对的打“√”,错的打“×”)7、15~20“√” ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
1.不规则土样可以用环刀法测定其天然密度。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
2.土的含水量是土中水的质量与土的质量之比。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
3.含石膏土土样的含水量测试方法与其它土样一样。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
4.压缩系数在△h~△p曲线上求得。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
5.压缩指数在△e~△p曲线上求得。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
6.CHS为含砾低液限粉土。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
7.水析法适用于0.074mm~0.002mm粒径的土。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.液塑限联合测定液限后,无论对细粒土还是粗粒土其计算入土深度的公式是一样的。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
9.搓条法中只要土体断裂,此时含水量就是塑限含水量。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
10.使用EDTA滴定法测定水泥或石灰剂量时所用的标准曲线是上级发的。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
11.土的压缩性表现的是水的排出。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
12.EDTA滴定试验每个样品搅拌的时间,速度和方式可不一样。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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13.直剪试验中,不同试验方法测得的 ?Fcá/*7bbs.3c3t.comR_%X½D'
、C值相等。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
14.同一土体在不同击实功的条件下,其最大干密度不变。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
15.标准贯入试验是根据贯入的难易程度来判定土的物理力学性质。 ?Fcá/*7bbs.3c3t.comR_%X½D'
?Fcá/*7bbs.3c3t.comR_%X½D'
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16.直剪试验中慢剪试验方法是指:先使试样在法向压力作用下完全固结,然后慢速施加水平剪力直至土样破坏。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
17.压缩试验是研究土体一维变形特性的测试方法。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
18.压缩试验中土的压缩主要是孔隙体积的减小,所以关于土的压缩变形常以其孔隙比的变化来表示,试验资料整理为e~p曲线或e~lgp曲线。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
19.十字板剪切试验是直接在原位应力条件下测定土的抗剪强度。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
20.击实试验利用标准化的击实仪具,试验土的密度和相应的含水量的关系,用来模拟现场施工条件下,获得路基土压实的最大干密度和相应的最佳含水量。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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7、15~20“√”其余错 ?Fcá/*7bbs.3c3t.comR_%X½D'
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五、简答题 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
1.界限含水量的测定有哪些应用。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.如何从累计曲线上判断级配的好坏。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.简述EDTA滴定法。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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?Fcá/*7bbs.3c3t.comR_%X½D'
4.直剪试验的目的是什么?土的抗剪强度指标有几个:抗剪强度如何表达?对砂土、粘土在 ?Fcá/*7bbs.3c3t.comR_%X½D'
- ?Fcá/*7bbs.3c3t.comR_%X½D'
坐标系上表示出来。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.土由三相组成,画出三相图来,并写出各相之间的比例关系所表达的土的物理性质指标。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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二、单项选择 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.对于坚硬易碎的粘性土,欲求其天然密度宜采用 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.环刀法 b.灌砂法 c.蜡封法 d.灌水法 ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.受表面张力作用而在土层中运动的水是 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.化学结晶水 b.毛细水; c.重力水 d.结合水 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.测定水泥稳定土的含水量时要在 b 条件下烘干。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.先放入烘箱同时升温到105°~110° ?Fcá/*7bbs.3c3t.comR_%X½D'
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b.提前升温至105°~110° ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.先放入烘箱同时升温到75°~80° ?Fcá/*7bbs.3c3t.comR_%X½D'
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提前升温至75°~80° ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.已知某土层的Pc>PZ(Pc为先期固结压力,Pz为土的自重)判断该土层属于 c 状态。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.正常固结 b.欠固结 c.超固结 d.a、b、c都不是 ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.土的缩限含水量是指 b 的界限含水量。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.塑态转为流态 b.半固态转固态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.塑态转固态 d.半固态转塑态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.零填及路堑路床在高速公路中最小强度CBR(%)值为 c 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.10 b.6 c.8 d.5 ?Fcá/*7bbs.3c3t.comR_%X½D'
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7.其它等级公路上路床填料最小强度CBR(%)值为6时,填料最大粒径为 d 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.6mm b.8mm c.15mm d.10mm ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.土的压缩主要是 c 的减小。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.含水量 b.土的比重 c.土的孔隙体积 d.固体颗粒 ?Fcá/*7bbs.3c3t.comR_%X½D'
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9.反应软粘土原状结构强度的指标是 a 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.灵敏度 b.内摩擦角 c.内聚力 d.粒径大小 ?Fcá/*7bbs.3c3t.comR_%X½D'
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10.某路基填土施工建筑速度快,土层排水不良,欲验算其稳定性,C、φ指标应采用 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.固结快剪 b.快剪 c.慢剪 d.固结快剪和快剪 ?Fcá/*7bbs.3c3t.comR_%X½D'
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11.含水量测试时,求得土中水的百分含量是 c 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.弱结合水 b.强结合水 c.自由水和部分结合水 d.化学结合水 ?Fcá/*7bbs.3c3t.comR_%X½D'
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12.界限含水量可以 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.评价各种土的状态 b.评价粘性土的状态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.评价砂性土的状态 d.评价砾类土的状态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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13.界限含水量测试时 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.考虑土的结构 b.未考虑土的结构 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.无法确定土的结构 d.考虑不考虑土的结构都行 ?Fcá/*7bbs.3c3t.comR_%X½D'
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14.相对密度是用来评价 c 土的密实状态。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.各种 b.粘性 c.砂性 d.砾类 ?Fcá/*7bbs.3c3t.comR_%X½D'
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15.环刀法可以测定 a 土的密度 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.细粒 b.粗粒 c.坚硬 d.各种 ?Fcá/*7bbs.3c3t.comR_%X½D'
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16.酒精燃烧法测定含水量需燃烧试样的次数为 a 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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17.灌砂法测定土的密度之前,要求标定的内容有 c 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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18.击实试验试样制备干法和湿法两种,两种制样所得击实结果应该 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.相同 b.干法ρdmax不小于湿法ρdmax ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.干法ρdmax不大于湿法ρdmax ?Fcá/*7bbs.3c3t.comR_%X½D'
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19.击实试验结果整理时,若有超粒径的土颗粒,则 b 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.均可按照规范的公式修正 ?Fcá/*7bbs.3c3t.comR_%X½D'
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b.超粒径百分含量小于30%可以按规范公式修正 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.不需进行修正 ?Fcá/*7bbs.3c3t.comR_%X½D'
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d.修正不修正都可以 ?Fcá/*7bbs.3c3t.comR_%X½D'
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20.密度测定求算术平均值时,其平行差值不得大于 c 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.0.01g/cm3 b.0.02g/cm3 c.0.03g/cm3 d.0.04g/cm3 ?Fcá/*7bbs.3c3t.comR_%X½D'
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三、多项选择题 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.土可能是由 ab 相体组成的。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.三相体 b.两相体 c.四相体 d.单相体 ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.土的三相体比例指标中,可直接测出的指标有 cd 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.土的干密度 b.孔隙比 c.土的密度和土粒密度 d.含水量 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.测含有石膏和有机能质土的含水量时,烘箱的温度可采用 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.75℃ b.100℃ c.105℃ d.65℃ ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.利用灌砂法测定土的密度前,需要标定 bc 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.砂的含水量 b.砂子密度及标定罐体积 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.灌砂筒锥形体砂重 d.环刀的体积 ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.界限含水量的测定可评价 bc 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.各种土的状态 b.粘性土的状态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.土的塑性范围的大小 d.粘性土的结构 ?Fcá/*7bbs.3c3t.comR_%X½D'
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6.相对密度指标 cd 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.可以评价各种土的密实状态 b.可以评价粘性土的密实状态 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.可以评价砂性土的密实状态 d.目前仍不能在工程中广泛应用 ?Fcá/*7bbs.3c3t.comR_%X½D'
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7.土级配情况的评价指标有 bc 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.土粒直径 b.不均匀系数 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.曲率系数 c.a、b、c都不是 ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.土颗粒分析的方法有 bc 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.比重计法 b.筛分法 c.沉降法 d.移液管法 ?Fcá/*7bbs.3c3t.comR_%X½D'
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9.剪切试验所得土的强度指标,可以 ab 。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.估算地基承载力 b.评价土体稳定性 ?Fcá/*7bbs.3c3t.comR_%X½D'
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c.评价土的状态 d.计算地基的沉降量 ?Fcá/*7bbs.3c3t.comR_%X½D'
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10.无侧限抗压强度试验是按预定干密度用 a 或 c 。. ?Fcá/*7bbs.3c3t.comR_%X½D'
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a.静压法 b.自然沉降 c.锤击法 d.a、b、c三种都不是 ?Fcá/*7bbs.3c3t.comR_%X½D'
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四、判断题 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.土的液限含水量是表示土的界限含水量的唯一指标。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.直剪试验方法分为快剪、固结快剪及慢剪三种。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.测定土的含水量就是测土中自由水的百分含量。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.对于疏松的砂和含水量大的软粘土抗剪强度的破坏标准是以15%的应变量相应的应力。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.塑性图是以液限含水量为横坐标,塑性指数为纵坐标,对细粒土进行工程工程分类的图。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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6.颗粒分析试验是为测得土中不同粒组的相对百分比含量。(v ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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7.击实试验的原理与压缩试验的原理一样都是土体受到压密。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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8.一般对粘性土地基用液性指数和天然孔隙比确定地基的容许承载力。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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9.土的物理性质指标是衡量土的工程性质的关键。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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10.对细粒组质量超过5%~15%的砂类土的分类应考虑塑性指数和粒度成分。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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11.测试含水量时,酒精燃烧法在任何情况下都是适用的。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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12.影响击实效果的主要因素只有含水量。( x) ?Fcá/*7bbs.3c3t.comR_%X½D'
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13.做击实试验时,击实筒可以放在任何地基上。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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14.工程试验检测原始记录一般用铅笔填写。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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15.土中的空气体积为零时,土的密度最大。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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16.环刀法适用于测定粗粒土的密度。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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17.用比重计法对土进行颗粒分析时,悬液配置过程中必须加六偏磷酸钠。( x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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18.相对密度是一种最科学、合理地评价粗粒土状态的方法,所以工程上总是采用该指标评价粗粒土的状态。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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19.塑性指数是指各种土的塑性范围大小的指标。(x ) ?Fcá/*7bbs.3c3t.comR_%X½D'
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20.工土试验时,所取试样质量越大越好,否则试样就不具有代表性。( ?Fcá/*7bbs.3c3t.comR_%X½D'
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五、简答题 ?Fcá/*7bbs.3c3t.comR_%X½D'
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1.试说明直剪试验的目的和意义,写出库仑定律的表达式,并指出强度指标。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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2.简述击实试验的目的和意义,并说明击实试验的注意事项。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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3.颗粒分析的目的和意义是什么?工程上常采用哪些方法进行颗粒分析?说明这些方法的适用范围,并写出评价级配情况的指标。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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4.土的密度在工程上有哪些应用?并说明公路上常用的现场测试的方法有哪些? ?Fcá/*7bbs.3c3t.comR_%X½D'
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5.公路上常用的测试含水量的方法有哪些?并说明这些方法各自的适用范围。 ?Fcá/*7bbs.3c3t.comR_%X½D'
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