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首页> 外文会议>Asphalt Rubber 2009 Conference(2009国际橡胶沥青大会） >Fuel Resistance of Crumb Rubber Modified Asphalt Binders
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Fuel Resistance of Crumb Rubber Modified Asphalt Binders

机译：碎橡胶改性沥青粘合剂的耐燃性

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Due to the chemical affinity between asphalt and hydrocarbons, surface softening, ravelling and deeper damage can arise in asphalt pavements when accidental spilling of oil-derived fuels occurs. Coal-tar pitches, traditionally used for pavement protection in airport systems, filling stations and industrial plants, have been recognized as dangerous for the environment and the human health. Therefore, it is necessary to develop special modified asphalt binders with improved resistance to fuel.With this aim, the effect of crumb rubber modifiers (CRM) was investigated by both solubility tests in jet-fuel A-1 and theological analysis of the fuel-treated binders. The solubility tests demonstrated that CRM induces an improvement of the fuel resistance, while the rheological measurements allowed to assess the binders residual mechanical performances after the controlled immersion in the fuel. The same tests were also conducted on the unmodified binder in order to have a performance comparison. Final results reveal different aspects related to the compatibility between CRM asphalt binders and service conditions in airports and industrial areas subject to the risk o f fuel spilling.
机译：由于沥青和碳氢化合物之间的化学亲和力，当石油衍生燃料意外溢出时，沥青路面会出现表面软化，起皱和更深的损坏。煤焦油沥青传统上用于机场系统，加油站和工厂中的路面保护，已被认为对环境和人体健康有害。因此，有必要开发出具有改进的耐燃油性的特殊改性沥青粘合剂。为此，通过在航空燃油A-1中的溶解度测试和对燃油的流变学分析，研究了碎屑橡胶改性剂（CRM）的作用。处理的粘合剂。溶解度测试表明，CRM可以提高耐燃性，而流变学测量值可以用来评估粘合剂在受控浸入燃料后的残留机械性能。为了进行性能比较，还对未改性的粘合剂进行了相同的测试。最终结果揭示了与CRM沥青粘合剂之间的相容性以及机场和工业区的服务条件（涉及燃料泄漏风险）有关的不同方面。

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