桩土分析实例

huzy112233

王新敏老师的书中的桩土分析例子，为什么q-s曲线没有明显的沉降突变，是不是因为没有分级加载？

huzy112233

有没有知道的，回答一下啊

graininear

如果方便可以将实例上传共同讨论

huzy112233

finish
/clear
/prep7
apile=1
hpil1=2
hpil2=8
asoil=7
hsoil=24
et,1,45
et,2,170
et,3,173
keyopt,3,9,0
keyopt,3,12,2
mp,ex,1,2.6e10
mp,prxy,1,0.167
mp,dens,1,2500
mp,ex,2,2.6e8
mp,nuxy,2,0.42
mp,dens,2,1900
tb,dp,2
tbdata,,19000,31,29
mp,mu,3,0.2
r,1
r,2
r,3
blc4,,,asoil,asoil,-hsoil
blc4,,,1,1,-hpil2
vsbv,1,2
wpoff,apile
wprota,,,90
vsbw,all
wpoff,,apile
wprota,,90
vsbw,all
wpcsys,-1
wpoff,,,-hpil2
vsbw,all
numcmp,all
vatt,2,2,1
esize,0.5
mshkey,1
vmesh,all
vsel,none
blc4,,,apile,apile,hpil1+hpil2
vatt,1,1,1
vmesh,all
asel,s,,,37,39,2
asel,a,,,34
nsla,s,1
real,3
type,2
mat,3
esurf,all
allsel,all
asel,s,,,6,10,2
nsla,s,1
real,3
type,3
esurf,all
asel,s,loc,x,0
asel,a,loc,y,0
da,all,symm
asel,s,loc,x,asoil
asel,a,loc,y,asoil
da,all,all
asel,s,loc,z,-hsoil
da,all,uz
allsel
asel,s,loc,z,hpil1
sfa,all,1,pres,50e4
allsel,all
/solu
antype,static
nlgeom,on
autots,on
acel,,,9.8
time,1
nsubst,100
outres,all,all
solve
finish
/post1
set,last
esel,s,real,,1
plnsol,u,z
plnsol,s,z
esel,s,real,2
plnsol,u,z
plnsol,s,eqv
esel,s,type,,3
etable,st1,nmisc,41
pletab,st1
etable,cz1,nmisc,45
pletab,cz1

huzy112233

请问为什么荷载-沉降曲线基本上都是直线了？
没有突变