MORPHOLOGICAL EVALUATION OF COMPACTED BITUMINOUS MIXTURES
| 项目名称： | MORPHOLOGICAL EVALUATION OF COMPACTED BITUMINOUS MIXTURES |
| 摘要： | THE OBJECT OF THE RESEARCH IS TO DEVELOP A METHOD ENABLING THE EFFECT OF VARIABLE COMPACTION ON THE ARRANGEMENT OF THE THREE COMPONENTS MINERAL, BITUMINOUS MORTAR AND VOIDS TO BE ASSESSED. THE MORPHOLOGICAL ASSESSMENT IS MADE ON CUT SECTIONS. EVALUATION (BOTH VISUAL AND STATISTICAL) IS CARRIED OUT BY MEANS OF A QUANTITATIVE IMAGE ANALYSER (QUANTIMET 720/30). MANUFACTURE OF THE CUT SECTIONS: DRILLED CORES ARE IMPREGNATED WITH SYNTHETIC RESIN (DRYING OF THE SAMPLE, EVACUATION, FLOODING, VACUUM, PRESSURE, HARDENING), CUT, AND GROUND WHILE FROZEN. A FLUORESCENT DYE MIXED INTO THE SYNTHETIC RESIN ENABLES THE VOIDS TO BE CONSIDERED UNDER ULTRA VIOLET LIGHT. THE CONTRASTING OF MINERAL AND BITUMINOUS MORTAR IS DIFFICULT AS THE MINERAL RUNS THROUGH ALL THE GREY STAGES. |
| 状态： | Active |
| 资助组织： | EIDG. DEPARTEMENT DES INNERN (FEDERAL DEPARTMENT OF THE INTERIOR) |
| 项目负责人： | Angst, C |
| 执行机构： | INST. F. STRASSEN-, EISENBAHN- U. FELSBAU ETH-Z (INST. FOR ROAD, RAILROAD AND ROCK ENGINEERING, ETH-Z) |
| 开始时间： | 19781000 |
| 预计完成日期： | 19810300 |
| 主题领域： | Freight Transportation；Materials；Research；I31: Bituminous Binders and Materials |
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