Geotechnical Parameters for Seismic Hazard Microzonation
Geotechnical Parameters for Seismic Hazard Microzonation
Geotechnical Parameters for Seismic Hazard Microzonation
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Test setup (Front elevation)<br />
ex.) In case of 115g<br />
(78.7 m in prototype)<br />
H soil<br />
Model ground<br />
=217 mm 480 204<br />
(25.0 m in prototype)<br />
60°<br />
The Coloured model Layer ground was created by a<br />
medium (Dyed Fontainebleau dense Fontainebleau sand) sand.<br />
To make the Silt fault propagation<br />
Sand Gravel<br />
Fine Medium Coarse Fine Medium Coarse Fine Medium<br />
100<br />
easy to observe<br />
Percentage passing (%)<br />
Clay<br />
80<br />
Oil in/out 60 raises/lowers block with<br />
d 50 =0.2mm<br />
using 40 hydraulic cylinder<br />
g s =25.9kN/m 3<br />
20<br />
D r ≈60%<br />
fault displacement<br />
0<br />
0.001 0.01 0.1 1 10<br />
Particle size (mm)<br />
115g<br />
This model ground is accelerated to<br />
115g in centrifuge to produce same s’<br />
as <strong>for</strong> 25 m soil depth.
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