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Influence of climate change on concrete durability in Yucatan peninsula

机译:气候变化对尤卡坦半岛混凝土耐久性的影响

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摘要

The environmental effects of global climate change (GCC) are becoming more evident. Nonetheless, efforts to document its effects on the durability of infrastructure are still limited. The present study used long term data (1961-2008) on temperature, relative humidity, precipitation and evaporation recorded in a tropical microclimate of the port of Progreso (Yucatan, Mexico) in order to detect climatic patterns associated to GCC. In addition, the authors analysed chloride profiles in concretes of different quality but of the same age (15 years) and exposed to the same microclimate. Results suggest the presence of environmental changes associated to GCC during the last 40 years, especially in terms of average and maximum temperature, which showed increases of 1 and 0-22℃ per decade respectively. Results also showed that seasonal and multiannual climatic cycles had an influence on the behaviour of the chloride profile of the studied concretes and thus on their durability.
机译:全球气候变化(GCC)对环境的影响越来越明显。但是,记录其对基础设施的持久性影响的努力仍然有限。本研究使用Progreso港口(墨西哥尤卡坦)热带小气候中记录的有关温度,相对湿度,降水和蒸发的长期数据(1961-2008年),以检测与GCC相关的气候模式。此外,作者分析了不同质量但具有相同年龄(15年)并暴露于相同微气候的混凝土中的氯化物分布。结果表明,在过去的40年中,与海湾合作委员会相关的环境变化的存在,特别是在平均温度和最高温度方面,每十年分别增加1和0-22℃。结果还表明,季节性和多年气候周期对所研究混凝土的氯化物剖面行为具有影响,并因此影响了其耐久性。

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