Lecture

1
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2
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• ?????? ?? ?????
• ??????? ???????? ???????? ??? ??????? ? ???
  ??????? (SSSI)
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  ??????.
• - ?????? ??????? ??????
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3
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??????(SSSI) -2 ????? ?????? ??????? ?????? ?
???????. -3????? ?????? ???????? ????????????.
4
3
5
(SSSI) ??????? ??????? ???????? ???????? ???
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????
???
6
(SSSI) ??????? ??????? ???????? ???????? ???
??????? ? ???
F3 Structure Frequency
F2 Soil Natural Frequency
F1 Loading Frequency
7
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(SSSI) ???????
Inertia Load
Kinematic
8
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• -??????? ???????? ??? ??????-???????-?????

??????? ???????? ?????? Kinematic
Interaction? ??????? ???????? ?????? ?? ???????
Inertial Interaction?


Problem Global
Inertial Interaction
Kinematic Interaction
4
9
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Flac 3D
5
10
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6
11
Maillage utilisé dans la modélisation numérique
????138 ????6978
7
12

• ??????? ????????? ??????? ( ????? ????? 1999)

V max 0.4m/sec
??????
Fch 0.9 HZ
8
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13
Cohesive soil
Frictional soil
9
14
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????? ??????
Cohesive soil
10
15
????? ????? ??????
C (KPa) Acc ?????? Acc ??????
E 11,28 8,385
20 4.694 3.422
50 8.793 6.367
100 11.06 7.902
????? ??????
11
16
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????? ??????
? () Acc ?????? Acc ??????
E 11,28 8,385
0 9,669 6,321
20 9,567 6,592
Frictional soil
12
17
?
????? ????? ??? ?? ?????????

• ????? ??????? ????????
• ?????
• ???????.
• ????? ????? ???????
• ????? ?????? ???????? ??????? ?? ???????
• Géométrie de groupe de pieux
• ??????? ??? ???????.
• ??? ???????.
• ???? ???????.

14
18
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Cohesive soil
13
19
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????? ??????
Cohesive soil
15
20
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????? ??????
Frictional soil
16
21
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17
22
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????? ??????
Cohesive soil
Frictional soil
18
23
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????? ??????
Cohesive soil
Frictional soil
S 3 Dp
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24
????? ??? ???????
Groupe 1x3
Groupe 2x3
Groupe 3x1
Groupe 5x2
Groupe 5x5
Groupe 5x3
Groupe 3x3
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25
????? ??? ???????
????? ??????
Cohesive soil
21
26
????? ???? ???????
Cohesive soil
Frictional soil
Groupe 1x3
Groupe 3x1
Groupe 5x2
Groupe 2x5
1x3
1x3
2x5
2x5
3x1
3x1
1x3
3x1
5x2
2x5
5x2
5x2
5x2
2x5
1x3
3x1
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27
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?????-??????
23
28
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????? ??????
Frictional soil
24
29
- ????? ???? ??? ???? ?? ???????. -?????
??????? ???????? ???????????? - ???????
??? ????? - ??????????. - ??????? ???????
??? ?????????? ? ??????. -????? ?????
????????????.
25
30
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31
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Frictional soil
?????
?????
?????
?????
27
32
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Frictional soil
?????
?????
?????
?????
28
33
?????????? Micropile
- ??? ?? ???? ???? ?? 30 ??.

• ????? ? ?????? ?????.
• ??????? ?????? ?? ???? ????? ?????.
• ????? ??????.
• ?? ???? ???????? ?? ????? ??????.
• ???????.

34
??????? ???????? ???????? ??? ?????-???????-??????
??????-??????
???????????? Ep200000 Mpa
30
35
???? 230 ???? 7134
31
36
????? ??????? ??? ?????-??????? ???
????? ??????
??????? Acc masse Acc ??????
??? ??????? 8,712 14,25
S1,5 m 8,432 8,4
S2 m 8,358 8,759
S3 m 7,608 8,131
Frictional soil
S2 m
S1.5 m
S3 m
S2 m
S3 m
??? ???????
??? ???????
S1.5 m
S1.5 m
32
37
????? ??????? ??? ????? ????????
????????????
Frictional soil
S2 m
S2 m
S3 m
S1.5 m
S1.5 m
S3 m
33
38
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Frictional soil
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34
39
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Frictional soil
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35
40
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Frictional soil
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36
41
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Frictional soil
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37
42

• ??????? ???????? ?????? ?? ?????? ??????
• ????? ??? fst, fs, fch
• ????? ?????? ?????- ??? ?????? ( ????
  ???????,???? ????????)
• ?????? ????????? ????? ????? ??????? ??
  ???????.
• ?????? ?????????? ???? ????? ?????? ??? ????
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• ????? ????? ??????? ????????.
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• ????? ????? ?????? ?????? ??? ?????? ??????.
• ?????? ??????? ???? ????? ?????? ????.

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43

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• ????? ???? ??????? ??? ????? - ??????????.
• ????? ?????? ???????? ???????????? ???????.

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UCSD shake table
UC Davis centrifuge
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Substructure
DIRECT
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