1. For a reflection survey refer to Figure 4.48, in which A is the shot point. Distance AC = AE = 180 m. The times for arrival of the first reflected wave at points C and E are 45.0 ms and 64.1 ms, respectively. If the P-wave velocity in layer 1 is 280 m/s, determined β and z′

2. The results of a subsoil exploration by steady-state vibration technique are given here (Section 4.15)

Make necessary calculations and plot the variation of the wave velocity with depth.

  

Transcribed Image Text:

Distance from Number of the plate vibrated x (m) Frequency of vibration of the plate (Hz) 900 waves per second 10 41.00 10 18.00 400 10 9,00 200 10 4.55 100 10 2.65 90 10 2.30 75 10 1.77 1.47 60 10 50 Distance from Number of the plate vibrated x (m) Frequency of vibration of the plate (Hz) 900 waves per second 10 41.00 10 18.00 400 10 9,00 200 10 4.55 100 10 2.65 90 10 2.30 75 10 1.77 1.47 60 10 50

Answer rating: 100% (QA)

Solution We need to find the Pwave velocity Vp and the beta value Using t... View the full answer