DETERMINATION OF THE SURFACE TENSION OF WATER ON ASPHALT ROADS, AND ESTABLISHMENT OF ITS EFFECT ON ASPHALTIC CONCRETE SURFACINGS
| 项目名称： | DETERMINATION OF THE SURFACE TENSION OF WATER ON ASPHALT ROADS, AND ESTABLISHMENT OF ITS EFFECT ON ASPHALTIC CONCRETE SURFACINGS |
| 摘要： | THE OBJECT OF THE RESEARCH IS TO ESTABLISH THE SPECTRUM OF SURFACE TENSIONS ON WATER ON ASPHALTIC CONCRETE SURFACINGS WITH AN INTERFACIAL TENSITOMETER. THE LESS THE SURFACE TENSION OF THE WATER, THE GREATER THE STRESS ON THE INTERFACE BETWEEN STONE AND BINDER. IT IS EXPECTED THAT WITH LOW SURFACE TENSIONS OF THE "TEST MEDIUM" AFFINITY FAULTS WILL OCCUR. AS ALL WATER IMMERSION TESTS ON BITUMINOUS MIXTURES HAVE UNTIL NOW BEEN CONDUCTED WITH DISTILLED WATER (SURFACE TENSION CA. 72 DYN/CM), A RELATION IS TO BE DETERMINED BETWEEN RESULTS OBTAINED WITH DISTILLED WATER AND REDUCED SURFACE TENSIONS CORRESPONDING TO CONDITIONS ON THE ROAD. THE SWELLING OF MARSHALL SAMPLES AND THE DECREASE IN MARSHALL STABILITY ARE TO SERVE AS EVALUATION CRITERIA. |
| 状态： | Completed |
| 资助组织： | BUNDESMINISTER FUER VERKEHR |
| 项目负责人： | Schellenberg, K |
| 执行机构： | INST F MATERIALPRUEFUNG ROTTWELL-LEIPHEIM (INSTITUTE FOR TESTING MATERIALS) |
| 开始时间： | 19761200 |
| 实际结束时间： | 19790400 |
| 主题领域： | Research；I31: Bituminous Binders and Materials |
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