At a level site, bedrock is overlain by a layer of overconsolidated clay of variable thickness. A seismic refraction sur

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At A Level Site Bedrock Is Overlain By A Layer Of Overconsolidated Clay Of Variable Thickness A Seismic Refraction Sur 1 (92.81 KiB) Viewed 16 times

At a level site, bedrock is overlain by a layer of overconsolidated clay of variable thickness. A seismic refraction survey is conducted with 13 receivers placed on a straight line between two shot points located 1,000 ft apart. From the p-wave arrival times listed below, determine and plot the subsurface profile in the central 800 ft portion of the survey. Determine the p-wave velocities of the overconsolidated clay and the underlying bedrock. Receiver A B с D E F G H I J K L M Distance from SP 1 0 50 100 200 300 400 500 600 700 800 900 950 1000 Arrival time from SP 1 (msec) 0 15 30 48 58 67 78 91 108 113 115 119 124 Distance from SP 2 1000 950 900 800 700 600 500 400 300 200 100 50 0 Arrival time from SP 2 (msec) 124 119 114 105 96 85 75 73 68 47 30 15 0