Use of X-Ray Fluorescence (XRF) to Determine Tire Rubber Content in Asphalt Binders
| 项目名称： | Use of X-Ray Fluorescence (XRF) to Determine Tire Rubber Content in Asphalt Binders |
| 摘要： | Tire rubber is required in certain asphalt binders; e.g., AC-205TR, used for chip seal construction. These binders are specified and used in several districts across the state. Current Texas Department of Transportation (TxDOT) Standard Specification Item 300, Asphalts, Oils, and Emulsions, includes using test procedure Tex-533-C, Determining Polymer Additive Percentages in Polymer Modified Asphalt Cements. This test procedure is only performed in the TxDOT Materials and Tests Division (MTD). This test can be implemented in the field with a portable X-Ray Fluorescence (XRF) device and test procedure Tex-533-C can be used in conjunction with a calibration chart to test and obtain a quantitative estimate of tire rubber at the district level. The research team will make this device available to district personnel and to train them to use the device on a routine basis. The research team will revise test procedure Tex-533-C, if needed, to account for procedures to use in the field since the device is portable. |
| 状态： | Active |
| 资金： | 217665 |
| 资助组织： | Texas Department of Transportation |
| 管理组织： | Texas Department of Transportation |
| 项目负责人： | Odell, Wade |
| 执行机构： | Center for Transportation Research |
| 主要研究人员： | Bhasin, Amit |
| 开始时间： | 20221005 |
| 预计完成日期： | 20231231 |
| 主题领域： | Highways；Materials；Pavements |
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