Seismic Refraction - PowerPoint PPT Presentation
Title:
Seismic Refraction
Description:
Seismic Refraction. Vertical Geophones. Source (Plate) ... oscilloscope. x1. x2. x3. x4. t1. t2. t3. t4. Note: Vp1 Vp2. zR. Determine depth. to rock layer, zR ... – PowerPoint PPT presentation
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Title: Seismic Refraction
1
Seismic Refraction
oscilloscope
ASTM D 5777
Note Vp1 lt Vp2
Soil Vp1
Rock Vp2
2
Seismic Refraction
Depth to Rock zc 5.65 m
t values
x values
