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@Article{pakinsight,
AUTHOR = {},
TITLE = {Dimension Effect on the Ultrasonic Pulse Velocity},
JOURNAL = {International Journal of Geography and Geology},
VOLUME = {6},
YEAR = {2017},
NUMBER = {2},
PAGES = {18-25},
URL = {http://www.pakinsight.com/archive/10/02-2017/2},
ISSN = {2305-7041},
ABSTRACT = {Ultrasonic pulse velocity test is non-destructive and relatively simple 
to carry out at both in-situ and laboratory conditions. The sonic 
velocity (SV) test has been used to determine the dynamic properties of 
rocks in different applications of rock and geotechnical engineering. In
 the laboratory conditions, the SV tests determine the velocity of 
propagation of elastic waves through the rock samples. The velocities of
 P (Vp) and S (Vs) waves are calculated from the measured travel times 
and distance between transmitter and receiver. The SV values of rocks 
are influenced and controlled by different factors such as rock type, 
density, grain size and shape, etc. This study focuses on the possible 
dimensional, sample diameter and sample length to sample diameter ratio,
 effect on the mean Vp, mean dynamic elastic modulus, Ed, mean shear 
modulus, Gd, mean Poisson’s ratio, &#965;d and mean dry density, &#961;. For 
sample preparation and the SV tests, the representative rock blocks of 
Upper Eocene-aged limestone, Dammam Formation, is collected from Jabal 
Hafeet in Al Ain City, United Arab Emirates (UAE) and taken to the 
laboratory. Forty-nine SV tests was carried out on the prepared core 
samples having different dimensions. The study reveals that the Vp, Ed, 
Gd, &#965;d and &#961; of limestone can be estimated using the simple linear 
mathematical equations. Even though the obtained equations are useful 
and practical, but it still needs better ratification with more samples 
having different dimensions in order to use confidently in engineering 
applications.},
DOI = {10.18488/journal.10/2017.6.2/10.2.18.25}
}