摘要: During periods of wet weather, particularly when it is also cold, asphalt pavements develop potholes which cannot be immediately repaired with conventional asphalt materials. Materials are needed which can be successfully used to ... 展开 During periods of wet weather, particularly when it is also cold, asphalt pavements develop potholes which cannot be immediately repaired with conventional asphalt materials. Materials are needed which can be successfully used to repair asphalt pavements in wet, or cold and wet, weather. The materials should be of reasonable cost and have at least a moderate life of one to three years. The work described in this volume is a summary of the research done on fly ash as part of the study. 收起