一建常用的地基处理方法自测题p)qEW5ñêsbbs.3c3t.com£bB48
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一、单项选择题p)qEW5ñêsbbs.3c3t.com£bB48
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1.当建筑物基础下的持力层比较软弱,不能满足上部荷载对地基的要求时,常采用( )来处理软弱地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.换土垫层法 p)qEW5ñêsbbs.3c3t.com£bB48
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B.灰土垫层法p)qEW5ñêsbbs.3c3t.com£bB48
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C.强夯法 p)qEW5ñêsbbs.3c3t.com£bB48
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D.重锤夯实法p)qEW5ñêsbbs.3c3t.com£bB48
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2.地下水位较低,基槽经常处于较干燥状态下的一般粘性土地基的加固可采用( )方法来处理地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.换土垫层法p)qEW5ñêsbbs.3c3t.com£bB48
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B.灰土垫层法p)qEW5ñêsbbs.3c3t.com£bB48
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C.强夯法 p)qEW5ñêsbbs.3c3t.com£bB48
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D.重锤夯实法p)qEW5ñêsbbs.3c3t.com£bB48
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3.对于高于地下水位0.8m以上稍湿的粘性土、砂土、湿陷性黄土、杂填土和分层填土地基,常采用( )来处理软弱地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.换土垫层法 p)qEW5ñêsbbs.3c3t.com£bB48
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B.灰土垫层法p)qEW5ñêsbbs.3c3t.com£bB48
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C.强夯法 p)qEW5ñêsbbs.3c3t.com£bB48
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D.重锤夯实法p)qEW5ñêsbbs.3c3t.com£bB48
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4.用起重机械将重锤吊起从高处自由落下,对地基反复进行强力夯实的地基处理方法是( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.换土垫层法 B.灰土垫层法 C.强夯法 D.重锤夯实法p)qEW5ñêsbbs.3c3t.com£bB48
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5.强夯法所用起重机械的重锤重量一般为( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.8~40 B.8~30p)qEW5ñêsbbs.3c3t.com£bB48
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C.9~30 D.9~40p)qEW5ñêsbbs.3c3t.com£bB48
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6.强夯法一般是用起重机械将重锤吊起到( )m高处自由落下。p)qEW5ñêsbbs.3c3t.com£bB48
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A.10~30 B.10~40p)qEW5ñêsbbs.3c3t.com£bB48
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C.6~30 D.6~40p)qEW5ñêsbbs.3c3t.com£bB48
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7.水泥粉煤灰碎石桩简称( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.CFP桩 B.CFG桩p)qEW5ñêsbbs.3c3t.com£bB48
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C.CFD桩 D.CPG桩p)qEW5ñêsbbs.3c3t.com£bB48
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8.水泥粉煤灰碎石桩是处理( )地基的一种新方法。p)qEW5ñêsbbs.3c3t.com£bB48
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A.软弱 B.次坚硬p)qEW5ñêsbbs.3c3t.com£bB48
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C.坚硬 D.松散p)qEW5ñêsbbs.3c3t.com£bB48
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9.深层密实法中的振冲法又称( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.振动冲洗法 B.振动水冲法p)qEW5ñêsbbs.3c3t.com£bB48
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C.振动密实法 D.震动夯实法p)qEW5ñêsbbs.3c3t.com£bB48
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10.振冲桩适用于加固( )地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.软弱黏土 p)qEW5ñêsbbs.3c3t.com£bB48
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B.次坚硬的硬土p)qEW5ñêsbbs.3c3t.com£bB48
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C.坚硬的硬土 p)qEW5ñêsbbs.3c3t.com£bB48
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D.松散的砂土p)qEW5ñêsbbs.3c3t.com£bB48
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11.深层搅拌法是利用( )做固化剂。p)qEW5ñêsbbs.3c3t.com£bB48
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A.泥浆 p)qEW5ñêsbbs.3c3t.com£bB48
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B.砂浆p)qEW5ñêsbbs.3c3t.com£bB48
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C.水泥浆 p)qEW5ñêsbbs.3c3t.com£bB48
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D.混凝土p)qEW5ñêsbbs.3c3t.com£bB48
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二、多项选择题p)qEW5ñêsbbs.3c3t.com£bB48
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1.地基处理就是为了( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.对地基进行必要的加固或改良p)qEW5ñêsbbs.3c3t.com£bB48
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B.提高地基土的承载力 p)qEW5ñêsbbs.3c3t.com£bB48
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C.提高建筑的抗震等级p)qEW5ñêsbbs.3c3t.com£bB48
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D.保证地基稳定,减少房屋的沉降或不均匀沉降p)qEW5ñêsbbs.3c3t.com£bB48
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E.消除湿陷性黄土的湿陷性,提高抗液化能力p)qEW5ñêsbbs.3c3t.com£bB48
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2.下列属于常用的人工地基处理方法的有( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.换土垫层法 p)qEW5ñêsbbs.3c3t.com£bB48
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B.重锤表层夯实p)qEW5ñêsbbs.3c3t.com£bB48
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C.排水灌浆法 p)qEW5ñêsbbs.3c3t.com£bB48
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D.强夯、振冲、砂桩挤密法p)qEW5ñêsbbs.3c3t.com£bB48
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E.深层搅拌、堆载预压、化学加固法p)qEW5ñêsbbs.3c3t.com£bB48
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3.换土垫层按其回填的材料可分为( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.混凝土垫层 p)qEW5ñêsbbs.3c3t.com£bB48
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B.灰土垫层p)qEW5ñêsbbs.3c3t.com£bB48
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C.砂垫层 p)qEW5ñêsbbs.3c3t.com£bB48
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D.碎(砂)石垫层p)qEW5ñêsbbs.3c3t.com£bB48
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E.水泥砂浆垫层p)qEW5ñêsbbs.3c3t.com£bB48
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4.人工地基处理方法中用砂垫层和砂石垫层作为地基的持力层,起( )作用。p)qEW5ñêsbbs.3c3t.com£bB48
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A.提高地基承载力p)qEW5ñêsbbs.3c3t.com£bB48
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B.减少沉降p)qEW5ñêsbbs.3c3t.com£bB48
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C.加速软弱土层排水因结p)qEW5ñêsbbs.3c3t.com£bB48
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D.防止冻胀和消除膨胀土的胀缩p)qEW5ñêsbbs.3c3t.com£bB48
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E.挡水p)qEW5ñêsbbs.3c3t.com£bB48
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5.强夯法适用于处理( )地基。 p)qEW5ñêsbbs.3c3t.com£bB48
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A.碎石土 p)qEW5ñêsbbs.3c3t.com£bB48
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B.特坚石p)qEW5ñêsbbs.3c3t.com£bB48
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C.砂土、粉土 p)qEW5ñêsbbs.3c3t.com£bB48
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D.低饱和度的粘性土p)qEW5ñêsbbs.3c3t.com£bB48
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E.湿陷性黄土及填土地基的深层加固p)qEW5ñêsbbs.3c3t.com£bB48
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6.灰土挤密桩是利用锤击将钢管打人土中,侧向挤密土体形成桩孔,将管拔出后,在桩孔中分层回填( )灰土并夯实而成。p)qEW5ñêsbbs.3c3t.com£bB48
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A.2:8灰土 p)qEW5ñêsbbs.3c3t.com£bB48
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B.2:7灰土p)qEW5ñêsbbs.3c3t.com£bB48
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C.3:7灰土 p)qEW5ñêsbbs.3c3t.com£bB48
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D.3:8灰土p)qEW5ñêsbbs.3c3t.com£bB48
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E.3:9灰土p)qEW5ñêsbbs.3c3t.com£bB48
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7.灰土挤密桩适用于处理( )地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.地下水位以上的软弱地基 p)qEW5ñêsbbs.3c3t.com£bB48
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B.天然含水量12%—25%的软弱地基p)qEW5ñêsbbs.3c3t.com£bB48
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C.砂石土 p)qEW5ñêsbbs.3c3t.com£bB48
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D.湿陷性黄土的软弱地基p)qEW5ñêsbbs.3c3t.com£bB48
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E.厚度5—15m的素填土、杂填土p)qEW5ñêsbbs.3c3t.com£bB48
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8.砂石桩适用于处理( )地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.挤密松散砂土 p)qEW5ñêsbbs.3c3t.com£bB48
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B.素填土p)qEW5ñêsbbs.3c3t.com£bB48
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C.杂填土 p)qEW5ñêsbbs.3c3t.com£bB48
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D.湿陷性黄土p)qEW5ñêsbbs.3c3t.com£bB48
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E.淤泥土p)qEW5ñêsbbs.3c3t.com£bB48
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9.挤密桩主要包括( )。p)qEW5ñêsbbs.3c3t.com£bB48
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A.灰土挤密桩 p)qEW5ñêsbbs.3c3t.com£bB48
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B.预应力桩p)qEW5ñêsbbs.3c3t.com£bB48
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C.砂石桩 p)qEW5ñêsbbs.3c3t.com£bB48
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D.水泥粉煤灰碎石桩p)qEW5ñêsbbs.3c3t.com£bB48
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E.混凝土搅拌桩p)qEW5ñêsbbs.3c3t.com£bB48
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10.深层搅拌法是利用固化剂和软土发生一系列物理、化学反应,使之凝结成水泥加固体,与天然地基形成复合地基。这种水泥加固体具有( )的特点。p)qEW5ñêsbbs.3c3t.com£bB48
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A.整体性好 p)qEW5ñêsbbs.3c3t.com£bB48
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B.水稳性好p)qEW5ñêsbbs.3c3t.com£bB48
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C.放热少 p)qEW5ñêsbbs.3c3t.com£bB48
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D.刚度大p)qEW5ñêsbbs.3c3t.com£bB48
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E.较高强度p)qEW5ñêsbbs.3c3t.com£bB48
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11.深层搅拌法适于处理( )地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.砂石土p)qEW5ñêsbbs.3c3t.com£bB48
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B.加固较深、较厚的淤泥、淤泥质土、粉土p)qEW5ñêsbbs.3c3t.com£bB48
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C.粘土p)qEW5ñêsbbs.3c3t.com£bB48
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D.承载力不大于0.12MPa的饱和粘土和软粘土p)qEW5ñêsbbs.3c3t.com£bB48
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E.沼泽地带的泥炭土p)qEW5ñêsbbs.3c3t.com£bB48
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12.砂井堆载预压法适用于处理( )地基。p)qEW5ñêsbbs.3c3t.com£bB48
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A.深厚软土和冲填土地基p)qEW5ñêsbbs.3c3t.com£bB48
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B.机场跑道地基p)qEW5ñêsbbs.3c3t.com£bB48
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C.软粘土地基p)qEW5ñêsbbs.3c3t.com£bB48
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D.水工结构、码头、岸坡等工程地基p)qEW5ñêsbbs.3c3t.com£bB48
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E.道路、路堤等工程地基p)qEW5ñêsbbs.3c3t.com£bB48
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自测题答案:p)qEW5ñêsbbs.3c3t.com£bB48
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一、单项选择题:p)qEW5ñêsbbs.3c3t.com£bB48
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1.A 2.B 3.D 4.C 5.B 6.C 7.B 8.A 9.B 10.D 11.Cp)qEW5ñêsbbs.3c3t.com£bB48
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二、多项选择题:p)qEW5ñêsbbs.3c3t.com£bB48
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1.ABDE 2.ABDE 3.BCD 4.ABCD 5.ACDE 6.AC 7.ABDE 8.ABC 9.ACD 10.ABE 11.BDE 12.ABDEp)qEW5ñêsbbs.3c3t.com£bB48
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