THE PERFORMANCE OF MODERN ROAD SURFACINGS UNDER TRAFFIC
| 项目名称： | THE PERFORMANCE OF MODERN ROAD SURFACINGS UNDER TRAFFIC |
| 摘要： | THE COLLECTION OF INFORMATION IS SERVING TO ESTABLISH ALTERATIONS IN THE INDIVIDUAL PAVEMENT LAYERS AND IN THE SUBSOIL AND TO ENABLE DECISIONS TO BE MADE REGARDING FURTHER IMPROVEMENTS IN CONSTRUCTION METHODS. FOR THE STUDIES STRUCTURES ARE BEING SELECTED FOR WHICH INFORMATION IS AVAILABLE ON THE MATERIAL PROPERTIES OF THE PAVEMENT AND TRAFFIC LOADING OVER ITS WHOLE LIFE. TOGETHER WITH VARIOUS SURFACE MEASUREMENTS (SETTLEMENT, EVENNESS) THE STUDIES COMPRISE THE TAKING OF CORE SAMPLES AND THE CONSTRUCTION OF PITS FOR ESTABLISHING THE CONDITION OF THE INDIVIDUAL LAYERS IN THE PAVEMENT AND THE SUBSOIL. SO FAR DRY-BOUND MACADAM CONSTRUCTION METHODS AND STRUCTURES HAVING BITUMINOUS ROADBASES HAVE BEEN EXAMINED, AND STUDIES HAVE BEEN MADE OF ROAD SECTIONS HAVING ROADBASES ON GRADED, DENSE AGGREGATES, AND THE EXTENT TO WHICH UNBOUND ROADBASES CAN BE RE-COMPACTED FOLLOWING THE INCORPORATION OF BITUMINOUS LAYERS. SUPERSEDES IRRD RESEARCH PROJECT NO 32309. |
| 状态： | Completed |
| 资助组织： | BUNDESMINISTER FUER VERKEHR |
| 项目负责人： | - |
| 执行机构： | BUNDESANSTALT FUER STRASSENWESEN (FEDERAL HIGHWAY RESEARCH INSTITUTE) |
| 开始时间： | 19630200 |
| 实际结束时间： | 19770800 |
| 主题领域： | Pavements；I52: Construction of Pavements and Surfacings |
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