Nondestructive measurement of concrete strength gain by an ultrasonic wave reflection method

2003 ◽  
Vol 36 (8) ◽  
pp. 507-514 ◽  
Author(s):  
Y. Akkaya ◽  
T. Voigt ◽  
K. V. Subramaniam ◽  
S. P. Shah
2020 ◽  
Vol 242 ◽  
pp. 117902 ◽  
Author(s):  
Didier Lootens ◽  
Marc Schumacher ◽  
Maxime Liard ◽  
Scott Z. Jones ◽  
Dale P. Bentz ◽  
...  

2017 ◽  
Vol 84 ◽  
pp. 10-18 ◽  
Author(s):  
Chul-Woo Chung ◽  
Prannoy Suraneni ◽  
John S. Popovics ◽  
Leslie J. Struble

2015 ◽  
Vol 29 (1) ◽  
pp. 165-172 ◽  
Author(s):  
Nadir Maghlaoui ◽  
Hakim Djelouah ◽  
Mohamed Ourak ◽  
Djema Belgroune

1981 ◽  
Vol 27 (95) ◽  
pp. 157-163 ◽  
Author(s):  
H. Gubler

AbstractTotal snow depth is determined by measuring the time of flight of an ultrasonic wave packet emitted from a sonic transmitter above the snow surface and reflected from the snow surface back to the receiver/transmitter system. The light-weight system is battery powered (operating time without battery change at least 8 months) and can be fixed to any post above the snow surface. The absolute precision is better than ±0.03 m. Data and commands are transmitted by a single two-wire system up to several kilometres.


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