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首页> 外文期刊>Structural engineering earthquake engineering >EXPERIMENTAL INVESTIGATION ON AGEING BEHAVIORS OF RUBBERS USED FOR BRIDGE BEARINGS
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EXPERIMENTAL INVESTIGATION ON AGEING BEHAVIORS OF RUBBERS USED FOR BRIDGE BEARINGS

机译：用于桥梁轴承的橡胶老化行为的实验研究。

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摘要

In order to evaluate the deterioration characteristics during the lifecycle of bridge rubber bearing, a series of long-term accelerated exposure tests are performed on four kinds of rubber materials widely utilized for bridge bearings. Different degradation factors are applied in these tests, such as thermal oxidation, ozone, low temperature ozone, ultraviolet radiation, salt water and acid rain. The test duration lasts from 96 hours to more than 6,000 hours. Mechanical properties of aged rubber specimens are measured and compared. The effects of pre-strain are investigated too. The ageing behaviors of each kind of rubber are made clear. The test results are fundamental to the prediction of rubber bearings' durability.
机译：为了评估桥梁橡胶轴承生命周期中的劣化特性，对广泛用于桥梁轴承的四种橡胶材料进行了一系列长期加速暴露测试。在这些测试中应用了不同的降解因子，例如热氧化，臭氧，低温臭氧，紫外线辐射，盐水和酸雨。测试时间从96小时持续到6,000多小时。测量并比较老化的橡胶样品的机械性能。还研究了预应变的影响。每种橡胶的老化行为都明确了。测试结果是预测橡胶轴承耐久性的基础。

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