Progetto S4 INGVProgetto S4 INGV
TASKTASK 2 2
Progetto S4 – Riunione finaleUniversità di Siena, 28-29 aprile 2010
Giuseppe Lanzo
Indagini in foro in alcuni siti delle
stazioni accelerometriche RAN
attivate dalla sequenza sismica
aquilana
Stazioni caratterizzate AQG, AQA e AQK
AQG
AQG
AQG
da 0 a 5 m
AQG
da 10 a 15 m
AQG
da 20 a 25 m
AQG
da 35 a 40 m
VS30 = 685 m/s classe di sottosuolo B
AQG0 1 0 0 0 2 0 0 0 3 0 0 0
V S , V P (m /s )
4 0
3 5
3 0
2 5
2 0
1 5
1 0
5
0
Dep
th (
m)
V P
V S
angular ca lcareous bouldersangular calcareous boulders in sandy m atrixangular ca lcareous boulders
angular ca lcareous boulders
angular ca lcareous boulders in sandy,loca lly silty, m atrix
angular calcareous boulders in sandy m atrixangular ca lcareous boulders
AQG
(da Scarascia Mugnozza)
AQA
classe di sottosuolo B
AQA0 1 0 0 0 2 0 0 0 3 0 0 0 4 0 0 0
V S , V P (m /s )
3 0
2 5
2 0
1 5
1 0
5
0
Dep
th (
m)
V P
V S
fill
rounded m edium dense gravel in sandy/silty m atrix
s ilt and c layey s ilt
gravel in sandy/silty m atrixc lay and s ilty c lay
augular grave l in sandy m atrix w ith leve ls o f very dense sand
calcareous rockextrem ely fractured
augular grave l in sandy m atrix w ith leve ls o f very dense sand
AQA
fill
rounded m edium dense gravel in sandy/silty m atrix
s ilt and c layey s ilt
gravel in sandy/silty m atrixc lay and s ilty c lay
augular gravel in sandy m atrix w ith leve ls of very dense sand
calcareous bouldersextrem ely fractured
0 5 0 0 1 0 0 0 1 5 0 0V S (m /s)
3 0
2 5
2 0
1 5
1 0
5
0
Dep
th (
m)
augular grave l in sandy m atrix w ith leve ls o f very dense sand
M A S W (P o liT o )
D H (U n iR o m a1 )
AQK
VS30 = 685 m/s classe di sottosuolo B
AQK
AQK
Dow n-hole
(da Progetto Microzonazione Sismica Conca Aquilana, MA1)
VS30 = 717 m/s classe di sottosuolo B
AQK
0 5 0 0 1 0 0 0
V S (m /s)
5 0
4 5
4 0
3 5
3 0
2 5
2 0
1 5
1 0
5
0
dept
h (m
)
A Q Kfill
very dense rounded grave l in sandy/s ilty m atrixw ith ca lcareous cobb les
s ilty c laysilty sand
very dense rounded grave l in sandy/s ilty m atrixw ith ca lcareous cobb les
stiff s ilt w ith levels o f sand
fillrounded grave l in sandy/silty m atrixs ilt and c layey s iltg rave l in sandy/s ilty m atrixc lay and s ilty c lay
augular g ravel in sandy m atrix w ith leve ls of very dense sand
calcareous rockextrem ely fractured
0 5 0 0 1 0 0 0
V S (m /s )
3 0
2 5
2 0
1 5
1 0
5
0
dept
h (m
)
augular g ravel in sandy m atrix w ith leve ls of very dense sand
0 2 0 0 0 4 0 0 0
V p (m /s)
angular ca lcareous bouldersangular calcareous bou lders in sandy m atrixangular ca lcareous boulders
angular ca lcareous boulders
angular ca lcareous boulders in sandy,locally s ilty, m atrix
angular calcareous bou lders in sandy m atrixangular ca lcareous boulders
0 5 0 0 1 0 0 0
V S (m /s )
4 0
3 5
3 0
2 5
2 0
1 5
1 0
5
0
dept
h (m
)
0 2 0 0 0 4 0 0 0
V p (m /s)A Q AA Q G
silty c lay
gravel in s ilty/c lay m atrix w ith ca lcareouscobb les and leve ls o fsand andsilty sand
a lternances of s ilty sands, sandy silts and grave lsw ith ca lcareous cobb les
lim estone
0 5 0 0 1 0 00
V S (m /s)
5 5
5 0
4 5
4 0
3 5
3 0
2 5
2 0
1 5
1 0
5
0
dept
h (m
)
A Q V 0 2 0 0 0 4 0 0 0
V p (m /s)
sezione geologica transetto
sezione geologica transetto
(da Progetto Microzonazione Sismica Conca Aquilana, MA2)
sezione geologica transetto
sezione geologica transetto
(da Marsan, …..)