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MAGNITUDE : mesure la puissance du sisme (est fonction de
lnergie libre)INTENSITE MACROSISMIQUE : caractrise les effets
observs en surface
-
M=6
M=5M=4
M=7
M=8
Faille
Pro
fond
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(km
)
0
15
30
FRANCE
Turquie, Grce, I talie
IZM IT, CHI -CHI
C. MARTIN
+ " " + &" + " " + &"
-
MAGNITUDE LONGUEUR COUL ISSAGE DUREE REJETde RUPTURE MOYEN de
RUPTURE SURFACE
4.0 1 km 1 cm 0.2-0.4 s 0
5.0 2 - 4 km 3 - 8 cm 0.5-2 s 0
6.0 10 - 20 km 10 - 30 cm 2-5 s 0-30 cm
7.0 40 - 80 km 0.5 - 2 m 8-20 s 0-2 m
8.0 150 - 300 km 3 - 7 m 40-80 s 0 - 5 m
9.0 500 - 1000 km 10 -20 m 200-300s 0 - 15 m
&"
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GUADELOUPE
MARTINIQUE
L iste des communes :www.pr im.net
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5 = ) * " # " " + % , -) * " # " " + % , -
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Q 5
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3$ 4 5 ( $ 1 1 # $ # (t $ %% $1$4 16 r $ %% $ % 3 # $ # 1$ $
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TYPE DE SOL
Pntromtre Statique :
SPT
Pressiomtre
Rsistance
Densit relative
Vitesse des ondes deCisaillement
Rsistance
(MPa)
Nombre de coups
Module
(MPa)
Pression Limite (MPa)
Compressionsimple (MPa)
(%)
(m/s)
ROCHERS
Rochers sains et craies dures
>100
>5
>10
>800
Sols de bonne trs bonne
Sols granulaires compacts
>15
>30
>20
>2
>60
rsistancemcanique (type a)
Sols cohrents
(argiles ou marnes dures)
>5
>25
>2
>0,4
>400
Rocher altr ou fractur
50 100
2,5 5
1 10
300 800
Sols de rsistancemcanique
Sols granulaires
moyennement compacts
5 15
10 30
6 20
1 2
40 60
150 moyenne (type b)
Sols cohrents moyennementconsistants et craies tendres
1,5 5
5 25
0,5 2
0,1 0,4
400
Sols de faible
rsistance
Sols granulaires l ches
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CLASSIFICATION DES SITES
S0 S1 S2 S3
Rgles PS 92
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& " " + " G+ " G
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69" " C >+ , " & " + 4) G
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H/3 H/4
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170 cm/s
35 cm/s
T ~ 2s
ALEA REGIONAL
ALEA LOCAL
& " L (
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# 5 " " ( 6 " 6+ " " ( 6 6 9 ! " " + "
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Septembre 953 premiers niveaux en
service, aprs dmolition des tages 4 8
Janvier 1995B timent Santica :effondrement du
4 tage
" " 69" " +
Octobre 96Reconstruction des tages manquants
Grald HIVIN
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& + 69" " & & + 69" " & &
< , " & 69" " & &
-
F " = 6
& + &
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/ 6 + ( +
< & , " 6"
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3%- % " , & " " " J & +
# / " " " C" # " " " " E " G
, " & " "
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Q / D 5 =
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% 8 @ " & ( A " " ! >
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