一建常用的地基处理方法自测题±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
一、单项选择题±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.换土垫层法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.灰土垫层法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.强夯法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.重锤夯实法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.换土垫层法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.灰土垫层法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.强夯法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.重锤夯实法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.换土垫层法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.灰土垫层法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.强夯法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.重锤夯实法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.换土垫层法 B.灰土垫层法 C.强夯法 D.重锤夯实法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
5.强夯法所用起重机械的重锤重量一般为( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.8~40 B.8~30±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.9~30 D.9~40±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.10~30 B.10~40±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.6~30 D.6~40±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
7.水泥粉煤灰碎石桩简称( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.CFP桩 B.CFG桩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.CFD桩 D.CPG桩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
8.水泥粉煤灰碎石桩是处理( )地基的一种新方法。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.软弱 B.次坚硬±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.坚硬 D.松散±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
9.深层密实法中的振冲法又称( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.振动冲洗法 B.振动水冲法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.振动密实法 D.震动夯实法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
10.振冲桩适用于加固( )地基。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.软弱黏土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.次坚硬的硬土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.坚硬的硬土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.松散的砂土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
11.深层搅拌法是利用( )做固化剂。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.泥浆 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.砂浆±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.水泥浆 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.混凝土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
二、多项选择题±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
1.地基处理就是为了( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.对地基进行必要的加固或改良±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.提高地基土的承载力 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.提高建筑的抗震等级±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.保证地基稳定,减少房屋的沉降或不均匀沉降±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.消除湿陷性黄土的湿陷性,提高抗液化能力±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
2.下列属于常用的人工地基处理方法的有( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.换土垫层法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.重锤表层夯实±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.排水灌浆法 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.强夯、振冲、砂桩挤密法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.深层搅拌、堆载预压、化学加固法±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
3.换土垫层按其回填的材料可分为( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.混凝土垫层 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.灰土垫层±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.砂垫层 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.碎(砂)石垫层±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.水泥砂浆垫层±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.提高地基承载力±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.减少沉降±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.加速软弱土层排水因结±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.防止冻胀和消除膨胀土的胀缩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.挡水±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
5.强夯法适用于处理( )地基。 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.碎石土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.特坚石±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.砂土、粉土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.低饱和度的粘性土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.湿陷性黄土及填土地基的深层加固±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.2:8灰土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.2:7灰土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.3:7灰土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.3:8灰土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.3:9灰土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
7.灰土挤密桩适用于处理( )地基。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.地下水位以上的软弱地基 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.天然含水量12%—25%的软弱地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.砂石土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.湿陷性黄土的软弱地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.厚度5—15m的素填土、杂填土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
8.砂石桩适用于处理( )地基。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.挤密松散砂土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.素填土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.杂填土 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.湿陷性黄土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.淤泥土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
9.挤密桩主要包括( )。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.灰土挤密桩 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.预应力桩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.砂石桩 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.水泥粉煤灰碎石桩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.混凝土搅拌桩±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
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。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.整体性好 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.水稳性好±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.放热少 ±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.刚度大±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.较高强度±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
11.深层搅拌法适于处理( )地基。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.砂石土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.加固较深、较厚的淤泥、淤泥质土、粉土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.粘土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.承载力不大于0.12MPa的饱和粘土和软粘土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.沼泽地带的泥炭土±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
12.砂井堆载预压法适用于处理( )地基。±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
A.深厚软土和冲填土地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
B.机场跑道地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
C.软粘土地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
D.水工结构、码头、岸坡等工程地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
E.道路、路堤等工程地基±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
自测题答案:±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
一、单项选择题:±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
1.A 2.B 3.D 4.C 5.B 6.C 7.B 8.A 9.B 10.D 11.C±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
二、多项选择题:±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û
1.ABDE 2.ABDE 3.BCD 4.ABCD 5.ACDE 6.AC 7.ABDE 8.ABC 9.ACD 10.ABE 11.BDE 12.ABDE±:1²0éÁ×bbs.3c3t.comVeº7¾ók4Û