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Existing Problems and Development tendency

Meng Yuan, Yuwen Zhu, Ouyang Feng, Hui Zhao, Da Chen

Abstract


The ingress - the harmful substance in the Marine Environment is main reason to cause The degradation to properties In the Marine Structures . This paperpresents a review , [about] on this effect of the The alkali -aggregate reaction on The Properties The structures under Marine environment from Four aspects, i . e . The influence factors to the alkali-aggregate Reaction expansion, The swelling behavior of alkali Aggregate reaction, chloride ion diffusion and chloride Ion binding behavior , this Mechanical properties damage and damage model under The combined action of " chloride ion and This Alkali- aggregate reaction . Also , The existing problemsin this study Field are analyzed . The new [a] ideas on the effect of alkali- Aggregate reaction on this Properties of of Structures under Marine Environment Are proposed. I , The new parameter must propose to more accurately Reflect material Damage degree under the alkali - Aggregate reaction. Second , The study on " Evolution of the long-term of the Mechanical properties under the combined action of The chloride ion, alkali-aggregate Reaction and Multi ­ dimensional stress needto Increase . Finally , The constitutive model of Concrete damage under three Axis

Keywords


Alkali - Aggregate reactionMarine Environment;current problemdevelopment trend

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DOI: http://dx.doi.org/10.18686/me.v3i1.1195

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