一建常用的地基处理方法自测题ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
一、单项选择题ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.换土垫层法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.灰土垫层法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.强夯法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.重锤夯实法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.换土垫层法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.灰土垫层法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.强夯法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.重锤夯实法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.换土垫层法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.灰土垫层法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.强夯法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.重锤夯实法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.换土垫层法 B.灰土垫层法 C.强夯法 D.重锤夯实法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
5.强夯法所用起重机械的重锤重量一般为( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.8~40 B.8~30ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.9~30 D.9~40ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.10~30 B.10~40ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.6~30 D.6~40ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
7.水泥粉煤灰碎石桩简称( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.CFP桩 B.CFG桩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.CFD桩 D.CPG桩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
8.水泥粉煤灰碎石桩是处理( )地基的一种新方法。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.软弱 B.次坚硬ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.坚硬 D.松散ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
9.深层密实法中的振冲法又称( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.振动冲洗法 B.振动水冲法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.振动密实法 D.震动夯实法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
10.振冲桩适用于加固( )地基。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.软弱黏土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.次坚硬的硬土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.坚硬的硬土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.松散的砂土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
11.深层搅拌法是利用( )做固化剂。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.泥浆 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.砂浆ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.水泥浆 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.混凝土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
二、多项选择题ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
1.地基处理就是为了( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.对地基进行必要的加固或改良ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.提高地基土的承载力 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.提高建筑的抗震等级ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.保证地基稳定,减少房屋的沉降或不均匀沉降ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.消除湿陷性黄土的湿陷性,提高抗液化能力ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
2.下列属于常用的人工地基处理方法的有( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.换土垫层法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.重锤表层夯实ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.排水灌浆法 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.强夯、振冲、砂桩挤密法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.深层搅拌、堆载预压、化学加固法ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
3.换土垫层按其回填的材料可分为( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.混凝土垫层 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.灰土垫层ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.砂垫层 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.碎(砂)石垫层ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.水泥砂浆垫层ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.提高地基承载力ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.减少沉降ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.加速软弱土层排水因结ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.防止冻胀和消除膨胀土的胀缩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.挡水ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
5.强夯法适用于处理( )地基。 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.碎石土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.特坚石ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.砂土、粉土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.低饱和度的粘性土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.湿陷性黄土及填土地基的深层加固ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.2:8灰土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.2:7灰土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.3:7灰土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.3:8灰土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.3:9灰土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
7.灰土挤密桩适用于处理( )地基。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.地下水位以上的软弱地基 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.天然含水量12%—25%的软弱地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.砂石土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.湿陷性黄土的软弱地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.厚度5—15m的素填土、杂填土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
8.砂石桩适用于处理( )地基。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.挤密松散砂土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.素填土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.杂填土 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.湿陷性黄土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.淤泥土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
9.挤密桩主要包括( )。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.灰土挤密桩 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.预应力桩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.砂石桩 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.水泥粉煤灰碎石桩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.混凝土搅拌桩ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
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。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.整体性好 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.水稳性好ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.放热少 ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.刚度大ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.较高强度ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
11.深层搅拌法适于处理( )地基。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.砂石土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.加固较深、较厚的淤泥、淤泥质土、粉土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.粘土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.承载力不大于0.12MPa的饱和粘土和软粘土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.沼泽地带的泥炭土ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
12.砂井堆载预压法适用于处理( )地基。ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
A.深厚软土和冲填土地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
B.机场跑道地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
C.软粘土地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
D.水工结构、码头、岸坡等工程地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
E.道路、路堤等工程地基ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
自测题答案:ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
一、单项选择题:ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
1.A 2.B 3.D 4.C 5.B 6.C 7.B 8.A 9.B 10.D 11.CÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
二、多项选择题:ÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3
1.ABDE 2.ABDE 3.BCD 4.ABCD 5.ACDE 6.AC 7.ABDE 8.ABC 9.ACD 10.ABE 11.BDE 12.ABDEÃýIγ±ãBfpbbs.3c3t.comÔùY#dçÛ3