Quick water movement around a crack of concrete under unsaturated conditions

Naoko Tsuchiya, Manabu Kanematsu, Takafumi Noguchi

研究成果: Conference article査読


It is necessary to identify the deterioration factors of reinforced concretes. It is well known that the water affects the durability of reinforced concrete buildings. But few experiment researches have been made on how the water penetrates through cracks of the concretes under unsaturated conditions. The purpose of this research is to measure water penetration, especially around concrete cracks, under unsaturated conditions at an early time by neutron radiography. The previous known theories of water movement in concrete are evaluated by the experimental results, both in cracks and around cracks. The results show that water movement does not follow such theories. They also indicate that water movement in some kinds of concrete cracks should be treated in the same way as water absorption into concrete, which has more than two main phases.

ジャーナルSustainable Construction Materials and Technologies
出版ステータスPublished - 1 1月 2013
イベント3rd International Conference on Sustainable Construction Materials and Technologies, SCMT 2013 - Kyoto, Japan
継続期間: 18 8月 201321 8月 2013


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