scholarly journals Nuclear magnetic resonance analysis of freeze-thaw damage in natural pumice concrete

2016 ◽  
Vol 66 (322) ◽  
pp. e087 ◽  
Author(s):  
Xiangdong Shen ◽  
Xiaoxiao Wang ◽  
Hailong Wang ◽  
Chu Gao ◽  
Tong Zhang
2014 ◽  
Vol 919-921 ◽  
pp. 1939-1943 ◽  
Author(s):  
Xiao Xiao Wang ◽  
Xiang Dong Shen ◽  
Hai Long Wang ◽  
Hong Xia Zhao

Based on the existed research and analysis methods of air entraining natural pumice concrete freeze-thaw damage, nuclear magnetic resonance (NMR) detection technique was introduced in the present study. From the research of essence of freeze-thaw coupling-induced concrete damage in saline solution, natural pumice concrete porosity and transversal relaxation time T2 spectral parameters were used as criteria, and nuclear magnetic resonance imaging (NMRI) technology, an intuitive method was used to determine freeze-thaw damage quantitatively.


Polymer ◽  
2014 ◽  
Vol 55 (16) ◽  
pp. 3869-3878 ◽  
Author(s):  
Sébastien Georges ◽  
Marc Bria ◽  
Philippe Zinck ◽  
Marc Visseaux

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