Title: ?????? Plaxis ?? ?????? ?? ????
1?????? Plaxis ?? ?????? ?? ????
-
- ????? ?????? ???? ???? ??????
- ????? ????? ????? ???? ??? ???
2????? ?????? Plaxis
- Plaxis ??? ????? ????? ????? ??????? ?? ???? ??
???? ????? ????? ????? ? ??????? ?? ????? ??
????????? ?????? ????. - ????? ?????? ??? ??? ????? ?? ????? ?????? ?????
???? ????? ??? ?? ???? ???? ?? ??? 1987 ???? ?? - ??? ??? ????? ????? ? ????????? ????? (CUR)
?center for civil engineering research and codes
?? ????
3????? ?????? Plaxis
- ?????? ?? ??? ??? ????? ?? ???? ?????? ???? ?
????? ?? ???? ???? ???? ? ??? ???? ???? ???????
?? ????? ??????? ??? ???. - ?? ??? ??? ????? ?????? ?????? ????-????? ??? ???
?????? ??????? ??? ??? ??????(??? Cam-Clay) ? ???
??? ?????? ???? (Soft Soil Creep Model) ???? ????
???? ???.
4????? ?????? Plaxis
- ?? ?????? ?? ???? ????? ?????? ????? 6 ??? ?? ?
15 ??? ?? ????? ?? ??????? ???? ????.
5????? ??? ???? ?? Plaxis
- ????? ??? ?? ??? ?????
- ???? ?? ????? ? ?????? ???? ?????
- ????? ?????? ??? ????
- ???? ??? ????
- ???? ???????
- ????? ???? ???? ????? ?????
- ???????? ????? ?????? ?????? ????? ??? ???? ??
???
6- ????? ??? ?? ??? ?????
- ?????? ???? ??????? ??? ?? ???? ???? ???? ????
????? ??? ???. ??? ???? ?? ?????? ????? ????????
???? ???. - ??????? ?? ??? ????? ??? ?????? ?? ?? ????? ??
???? ????? ?? ????. - ??? ?? ??????? ????? 6 ??? ?? ?? 15 ??? ??
?????? ?? ????.
7????? ?????
- ??? Earth dam 1
- ?????? ??? ?? ???? ????? ???? ??? ????? ????? ???
- ?????? ????? ????? ?????
- ?????? ????? ??? ?? ?????
- ????? ????? ??? ?? ???????
- ???? ??????? ??????? ?? ?????? ???
8????? ?????
- ??? Earth dam 2
- ????? ???? ?? ???? ????? ????? ???? ?????
- ????? ????? ???? ??????? ??????? ??? ? ??? ??
????? - ????? ????? ????? ???? ?????
- ??? Earth dam 3
- ????? ????? ?? ?? ?? ????? ??????? ??? ??
- ????? ???? ??????? ???????
9????? ??? ???? Earth dam 1
10????? ??? ???? Earth dam 1
- ??????? ????? General setting
11????? ??? ?????
- ???? ????? ???? ? ????? ?????? ???? Geometry Line
?? ?????? ??? - ???? ???? ????? ?? ?? ???? ?????? ???? ????.
- ??? ???? (0,0)
- ???? ??? ???? ??? ? ???? shift ?? ??? ?????
- ?????? ?? ???? ???????? ???? ?? ???? ?? ????? ??
??? ?? ????
12????? ??? ?????
13???? ???? ???? ??
- ?? ???? Loads ????? standard fixities ?? ??????
????. - ??? ????? ?? ???? ?????? ?????? ?????? ????.
- Standard fixities
- ???? ??? ??? ?? ?? ??? ?? ??? ?? ????.
- ???? ??? ??? ????? ?? ?? ????? ????? ????? ??
???.
14???? ???? ???? ??
15????? ?????? ???
- ???? ??? ??? ?? ???? Materials ?????soilInterface
?? ?????? ????. - ?? ????? New ???? ????? ??? ????
- ??????? ?? ????.
16????? ?????? ???
- ?? ????? General ??? ??? ? ????? ???????? ???
???? ??? ????? ? ????????? ????? ?? ???.
17????? ?????? ???
- ?? ????? Parameters ???? ????? ???? ???????
???????? ????? ?????? ????? ? ????? ????? ?????
?? ???.
18????? ?????? ???
- ?? ???? ?????? ?? ?????? ?? ?????? ???? ????
(Drag) ?? ?? ?????? ????? ???
19?? ???? ????????
- ??? ??? ????? ???????? ?? ?????? Plaxis ???? ??
?????. - ?? ???? Mesh ?????global coarseness ?? ??????
????. - ?????? ?? ?? ?????? ? ??? ????? Generate ????
????
20Initial condition
- ?? ???? Initial ????? Initial condition ?? ??????
???? - ????? 10kN/m2 ?? ???? ??? ????? ?? ???? ????
- ???? ??? ???? ????? ??? ??? ??? ??????? ?????
???? ???? - ????? ?? ????? ??? ??? ????? ?? ??? ????? ?? ??
?? ???? ????
21Initial condition
- ?????? ?? ?? ?? ?? ???? ??? ??? ?????? Closed
flow boundary ????? ?? ???? - ???? ??? ??? ?? ???? Geometry ????? Closed flow
boundary ?? ?????? ???? - ????? ?? ???? ????? ??? ?? ???? ???? ?????? ????
22Initial condition
- ???? ?????? ?????? ?? ???? Generate ?????Water
pressures ?? ?????? ???? - ????? Water pressure generation ????? ?? ???
- ?? ??? ????? ????? Ground water calculation ??
?????? ???? -
23Initial condition
- ?? ??? ???? ??????? ????? ?? ???? ??? ?????? ????
?????? ???? ?? ???????? ???? ????? ? ... ????
????
24Calculation
- ???? ???? ?? ???? ?????? ??? ????? Calculation
???? ???? - ??? ?? save ???? ???? Calculation ????? ?? ???.
25Calculation
- ?? ??? ??? ?? ??? ???????? ?????
- ??? ???? ?????? ??? ?????
- ??? ??? ??? ??? ??? ?? ??? Gravity load ???????
?? ???? - ??? ???? ??????? ????? ????? ? ???? ????? ?? ????
?? - ??????? Plastic
- ??? ???? ????? ???? ??????? ???????
- ??? F-C reduction
26????? ?????? ????????
27select points for curves
- ?? ???? View ?????select points for curves ??
?????? ???? - ????? ?? ???? ??? ????? ????? ?????? ????
- ??? ????? Update ???? ????
- ???? ???? ??????? ??? ????? Calculation ???? ????
- ???? ???? ????? ?? ???? ???? ???? ?????? ??? ???
????? Output ???? ????
28Output
- ?? ???? Deformation ?????? ????? ?????? ???? ??
?? ?????? ???
29Output
- ?? ???? Stress ?? ???? ?????? ???? ?? ?? ??????
???
30Output
31Output-phase3
- ??? ??? ?? ?????? ????. ??? ??? ????? ?? ??????
???? ??????? ??? - ????? Output ?? ???? ????
- ?? ???? Deformation ????? Total incremental ??
?????? ????
32Output-phase3
- ??????? ??????? ?? ????? ???? ?????? ?? ????
33Output-phase3
- ???? ????? ???? ??????? ?? ???? View ?????
Calculation info ?? ?????? ???? - ????? Msf ? ???? ??????? ??? ?? ????? 1.894
??????
34????? ??? ???? Earth dam 2
- ?? ??? ??? ??? ?? ??? ????? ?? 10 ???? ????? ?
?????? ????? - 6 ???? ??? ????? ????? 5 ??? ???
- 4 ???? ???? 10 ??? ????? ?????
- ??? ???? ????? 200 ??? ?? ??? ????? ??? ???
- ??? ?? ??? ????? ????? ?? ??? ???? ?? ??? ?????
??? ??? - ??? ??? ?? ????? Undrained ??? ??? ???
35????? ??? ???? Earth dam 2
- ??? ?? ????? Plaxis Input ????? Create/open
project ??????? ??? - ????? Existing project ?? ?????? ? ???? Earth
dam1 ?? ???? ?????? ?????? ???? - ??? ???? ?? ?? ??? Earth dam2 ????? ????
- ?? ??? Geometry line ???? ?? ?? ????? ??? ?? ????
??? 5 ? 10 ???? ????? ????
36????? ??? ???? Earth dam 2
37????? ??? ???? Earth dam 2
- ?? ???? Materials ????? Soilreaction ?? ??????
???? - ?????? ?? ?? ??? ??? ?? ???? ???? ????? ?????
???? ??? ?? ??? - ??? ??? ?? ?? ?????? ???? ????? Edit ?? ???? ????
- ?? ???? General ???? Material set ?????undrained
?? ?????? ???? - ???? ????? ??? ?? ??? ????? ?? ???? Geometry
????? Phreatic line ?? ?????? ????
38????? ??? ???? Earth dam 2
- ??? ????? Generate water pressure ???? ???? ??
???? ????? ???????? ?? ?????? ???
39????? ??? ???? Earth dam 2
- ??? ????? Switch ???? ???? ?? ????? ????? ?????
????? ??? - ?? ???? ??? ???? ??? ?????? ?? ??? ???? ???? ??
??? ???? ???? - ?? ??? K0 ??????? ?? ????
- ???? ????? ?????? ????? ??? ????? Generate
initial stress ?? ???? Generate ???? ????
40????? ?????? ???????
- ???? ??? ???? ???? ?????? ???? General ?? ????
???? - ?? ???? Parameter ???? Staged construction ??
?????? ????. ??? ????? Define ???? ???? - ???? ??? ??? ???? ?? ???? ???? ? ????? Update ??
???? ????
41????? ?????? ???????
- ??? ????? Next ???? ????? ??? ???? ???? ????
- ???? ??? 2? ?? ???? General ???? Consolidation ??
?????? ???? - ?? ???? Parameters ?? ????? ????? Ultimate
interval ??? 200 ?? ???? ???? - ??? ???? ?? ???? ???? ??? ??? ????? ?? ???? ?????
????? ????
42????? ???? ??? ? ??????
43????? ???? ??? ? ??????
44????? ???? ???? ?? ??? ? ??? ?? ?????
45???? ??????? ??????? ??? ? ??? ?? ?????
- ???? ??????? ??? ?? ????? ????? 2.015 ? ??? ??
????? 2.143 ?? ????
46?????? ????? ???? ?? ????? ? ?????? ????? ????
???? ?? ????
- ???????? ????? ?? ???? ?? ??? ?? ????? ?? ???
???? ?? ???? ???? - ???? ?? ?????
- ???? ???? ????
47????? ??? ???? Earth dam 3
- ?? ??? ??? ?? ?????? ??????? ?? ?? ?? ????? ???
???? ?? ???? ????? ???? ???? - ????? ?? ?? ??? ?? ????
- ??? ?? ?? ????? ???????? ????? ?? ????
48????? ??? ???? Earth dam 3
- ???? ??????? ?? ???? ?? ???? ???? ?? ????
- ???? ??? ???? ?? ?? ???? ?????? ?? ?????
- ???? ??? ???? ?? ?? ??? ?? 30 ??? ???? ???? ??
??? - ???? ??? ???? ?? ?? ??? ?? 40 ??? ???? ???? ??
???
49????? ??? ???? Earth dam 3
- ?? ???? ??? ???? ??????? 1.867 ?? ????
50????? ??? ???? Earth dam 3
- ?? ???? ??? ???? ??????? ????? 1.435 ???
51????? ??? ???? Earth dam 3
- ?? ???? ??? ???? ??????? ????? 1.290 ?? ????
52(No Transcript)