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Q.1.19 A seismic survey was carried out for a large project to determine the nature of the substrata. The results of the survey are given in Fig. i. 2 in the form of a graph. Determine the depths of the strata. V, = 2250 m/sec 8 xS x 10 V, Surface soil V. = 750 m/sec Sand and loose gravel H V, Rock AB, = 8.75 x 10' see AC, = 33.75 x 10' sec AC: = 38.75 x 10 sec d, = 2.188 m d; = 22.5 m AB = 12,75 x 10 see -V = 172 m/sec 10 20 d; 30 40 50 Distance m Figure Time of first wave arrival, seconds S ria

Q.1.19 A seismic survey was carried out for a large project to determine the nature of the substrata. The results of the survey are given in Fig. i. 2 in the form of a graph. Determine the depths of the strata. V, = 2250 m/sec 8 xS x 10 V, Surface soil V. = 750 m/sec Sand and loose gravel H V, Rock AB, = 8.75 x 10' see AC, = 33.75 x 10' sec AC: = 38.75 x 10 sec d, = 2.188 m d; = 22.5 m AB = 12,75 x 10 see -V = 172 m/sec 10 20 d; 30 40 50 Distance m Figure Time of first wave arrival, seconds S ria

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Q.1.19 A seismic survey was carried out for a large project to determine the nature of the substrata. The results of the survey are given in Fig. i. 2 in the form of a graph. Determine the depths of the strata. V, = 2250 m/sec 8 x S x 10 V, Surface soil V = 750 m/sec Sand and loose gravel H V, Rock AB, = 8.75 x 10'see AC, = 33.75 x 10' sec AC, = 38.75 x 10 see d; = 2.188 m d, = 22.5 m AB = 12,75 x 10 see -V = 172 m/sec 10 20 d; 30 40 50 Distance m Figure Time of first wave arrival, seconds
Transcribed Image Text:Q.1.19 A seismic survey was carried out for a large project to determine the nature of the substrata. The results of the survey are given in Fig. i. 2 in the form of a graph. Determine the depths of the strata. V, = 2250 m/sec 8 x S x 10 V, Surface soil V = 750 m/sec Sand and loose gravel H V, Rock AB, = 8.75 x 10'see AC, = 33.75 x 10' sec AC, = 38.75 x 10 see d; = 2.188 m d, = 22.5 m AB = 12,75 x 10 see -V = 172 m/sec 10 20 d; 30 40 50 Distance m Figure Time of first wave arrival, seconds
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