Correlation between thermal deformation and microcracking in concrete during cryogenic cooling Academic Article

abstract

• 2015 Elsevier Ltd. Thermal deformation behavior of concrete mixtures from limestone and trap rock aggregates has been related to microcracking during cryogenic cooling. The study was aimed at comparing the suitability of the concretes for direct containment of liquefied natural gas (LNG). The results showed strong correlation between the thermal strain rate and the acoustic emission (AE) cumulative hits rate in the concretes. The closeness of the average thermal expansion coefficient of the trap rock mixture over the ambient to cryogenic temperature range to that of 9% Ni or carbon-steel, and its lower cumulative energy emission corroborates previous observations on its porosity, permeability and microstructural behavior. These likely make it more suitable for direct LNG containment.

authors

• Grasley, Zachary
• Masad, Eyad
• Zollinger, Dan

published proceedings

• NDT & E INTERNATIONAL

author list (cited authors)

• Kogbara, R. B., Iyengar, S. R., Grasley, Z. C., Rahman, S., Masad, E. A., & Zollinger, D. G.

citation count

• 19

complete list of authors

• Kogbara, Reginald B||Iyengar, Srinath R||Grasley, Zachary C||Rahman, Syeda||Masad, Eyad A||Zollinger, Dan G

publication date

• January 2016

publisher

• Elsevier  Publisher

published in

• Independent Nondestructive Testing and Evaluation (NDT and E) International  Journal

keywords

• Acoustic Emission
• Coefficient Of Thermal Expansion
• Limestone Aggregate
• Strain Gage
• Trap Rock Aggregate

Digital Object Identifier (DOI)

• 10.1016/j.ndteint.2015.09.002

start page

• 1

end page

• 10

volume

• 77

URL

• http://dx.doi.org/10.1016/j.ndteint.2015.09.002