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MEASURING AND MODELLING OF WATER PENETRATION INTO UNSATURATED CONCRETE



Author(s): Peng Zhang, Tiejun Zhao, Jinbo Yang and Congtao Sun
Book Title: RILEM International Symposium on Concrete Modelling - CONMOD 2014
Editor: Kefei Li, Peiyu Yan and Rongwei Yang
ISBN: 978-2-35158-139-1
e-ISBN: 978-2-35158-140-7
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 351-358
Total Pages: 8
Language: English


Abstract: Concrete is the most widely used composite construction materials and its durability has become a crucial issue from the economic and ecological point of view nowadays. One of the major factors affecting the durability and thereby the integrity of reinforced concrete structures is the penetration of water and chemical compounds dissolved in water into the porous material as it is at the origin of various damage mechanisms. In this contribution, neutron radiography has been utilized to study the process of water penetration into concrete. The time-dependent process will be observed directly in a visual way and be studied quantitatively. On the other hand, Theoretical models of water penetration into non-saturated cement-based materials have been described. Finite element approach will be used to simulate the penetration of water. The results from numerical simulation and neutron radiography technique will be presented and discussed.


Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00


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