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关注:1
2013-05-23 12:21
求翻译:1. 近年来,随着我省高等级公路的迅速发展,大多数高等级公路都采用较厚的半刚性基层,在基层上直接铺筑沥青混凝土的路面结构形式。这种结构整体强度高、性能好,但我省地处沿海多雨地区,地质条件决定高速公路很多段建于深厚软基上,尤其是长江以北地区的几条高速公路(宁是什么意思? 待解决
悬赏分:1
- 离问题结束还有
1. 近年来,随着我省高等级公路的迅速发展,大多数高等级公路都采用较厚的半刚性基层,在基层上直接铺筑沥青混凝土的路面结构形式。这种结构整体强度高、性能好,但我省地处沿海多雨地区,地质条件决定高速公路很多段建于深厚软基上,尤其是长江以北地区的几条高速公路(宁
问题补充: |
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2013-05-23 12:26:38
1. in recent years, with the rapid development of high grade highway in our province, most of the highway are made from thick semi-rigid, directly on the base paving of asphalt concrete pavement structure. This structure overall strength high, and performance good, but I province is located in the coastal more rain area, geological conditions decided Expressway many segment built Yu deep soft base Shang, especially Yangtze River North area of several Expressway (Ning-even, and Ning-Xu, and Ning-salt, and even-Xu,), because construction measures ineffective and management conservation poor, causes, in operations early, local sections asphalt concrete pavement on appears different type, and different degree of early cracking (cross crack, and longitudinal crack, and network crack or cracking) of disease, serious effect pavement function and using life of problem increasingly highlight. On construction method of cracking section of this article, the management and maintenance and other reasons on the basis of the actual survey, combined with theoretical analysis, semi-rigid base asphalt concrete pavement early damage of preliminary discussion on some technical issues, proposed a comprehensive early crack of semi-rigid base asphalt concrete pavement construction control measures, all suggestions or comments and peer discussion together. Disease of asphalt concrete pavement of different types, different level and different non-structural and structural characteristics can be divided into two categories. Non-structural pavement major local crack, crack washboard on, over, mesh and pit; main lane rut, oil pan, road humps slow; there are rules of the longitudinal and transverse joints, and so on. Structural defects are: local semi-rigid base asphalt concrete pavement cracking, breakage, subsidence, and frost boiling; structural track slot, and so on. On pavement durability of operations and various diseases that have a significant adverse impact directly caused maintenance difficulties on the road.
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