对于高速公路沥青路面的养护工作中英文分析

1、对于高速公路沥青路面的养护工作中英文分析 Analysis of the maintenance work of Expressway Asphalt Pavement对于高速公路沥青路面的养护工作具有重要的意义, 养护工作不但可以减少公 路投入、 降低资源消耗, 还可以延长高速公路的使用寿命。 除此之外, 高速公路 的养护与管理也是我国现阶段公路事业发展的关键。Has an important significance for the maintenance work of expressway asphalt pavement, maintenance work can not only

2、decrease the highway investment, reduce the consumption of resources, but also prolong the service life of highway. In addition, the key maintenance and management of freeway is the present stage of our country highway development.一、高速公路路面养护的重要性One, the importance of expressway pavement maintenance为

3、了保证高速公路的正常使用, 消除公路病害、 延长高速公路的使用寿命, 对 高速公路的养护便成了现时期的高速公路建设的主要任务。 因为在高速公路的施 工过程中如果不能确保路面质量, 那么路况问题一突出道路通行就会受大很大程 度的影响。高速公路养护质量如何直接以对路面的养护工作质量为依据和标准。 所以对于高速公路路面的养护工作在当前显得尤其重要。In order to ensure normal use of the highway , the elimination of highway disease, prolong the service life of highway , the hig

4、hway maintenance has become the main task of highway construction is now in the period of. Because in the construction process of Expressway if cannot ensure the pavement quality, so the traffic problem prominent traffic will be affected by a large extent. Highway maintenance quality directly to the

5、 quality of pavement maintenance work as the basis and standard. So for the maintenance work of expressway pavement is especially important in the current is.目前我国已经建成的高速公路 75%左右是半刚性基层高级沥青混凝土面层结 构,这些高速公路建成后,受交通量迅速增长、车辆大型化、超载严重、行驶渠 道化及水损坏等影响, 路面发生了不同程度的早期损坏, 导致养护任务艰巨。 另外, 随着高速公路里程的增加和使用时间的延长必然会带来路面不断的

6、损坏, 养 护工程量将越来越大。 可以预计今后一个时期, 我国高速公路将由建设为主, 转 为建设与养护并举,并逐步以养护为主。 公路养护技术规范明确提出:公路 养护工作必须贯彻 “ 预防为主, 防治结合 ” 的方针, 而现实是高速公路养护管理不 足, 对病害处理不及时, 预防性养护处理不到位; 加上交通量增长迅速、 早期施 工缺陷、 温度变化、 水的影响等, 造成多数高速公路未到设计年限, 路面已严重 破坏, 大修提前。 高速公路实施路面预防性养护, 能及时修复路面微小病害, 不 致产生严重损伤, 从而减少铣刨、 翻修次数, 节省大修费用, 并延长路面使用寿 命, 保持路面良好的服务状态。 所

7、以研究开发高速公路沥青路面预防性养护技术 与管理模式,实施路面预防性养护管理是我国高速公路发展的迫切需要。 At present, about 75% of China's expressway has been completed is semi-rigid advanced asphalt concrete surface layer structure, the expressway was completed, by the rapid growth of traffic volume, vehicle scale, serious overload, channel runn

8、ing and water damage of pavement, early damage in varying degrees, resulting in maintenance task. In addition, with the increase of time and use the highway mileage extension will bring the pavement continuous damage, maintenance quantity will be more and more. Can be expected in the future for a pe

9、riod of time, our country highway by the construction, simultaneously to the construction and maintenance, and gradually to the maintenance. " Technical specifications " highway maintenance made clear: the highway maintenance work must implement the "prevention first, combining preven

10、tion with control " policy , but the reality is lack of expressway maintenance management, not timely for disease treatment, preventive maintenance is not in place; and rapid traffic growth, early construction defects, change of temperature, the influence of water, cause most highway before the

11、 design life, the road has been severely damaged, overhaul advance. The expressway pavement preventive maintenance, timely repair pavement small disease, does not cause serious damage, thereby reducing milling, revision number, save the overhaul cost, and prolongs the service life of the pavement su

12、rface, keep good service state. So the research and development of expressway asphalt pavement preventive maintenance technology and management mode, the implementation of pavement preventivemaintenance management is an urgent need for the development of China's freeway. 二、路面病害维修的基本方法Two basic a

13、pproaches, pavement repair.因为高速公路沥青路面病害程度或者病害原因不同, 所以说对于高速公路路面 病害维护的方法也是不尽相同。 为此, 笔者结合实际工作对路面病害维修的基本 方法进行了以下阐述,主要包括对局部的养护、罩面以及翻修三个方面。 Because of the degree of disease of asphalt pavement or disease are different, so the maintenance methods of expressway pavement disease is not the same. Therefore, t

14、he author combines the basic method for the repair of pavement practical work for the following elaboration, mainly including the local maintenance and overhaul, covering three aspects.首先对于局部的养护工作的实施。 对于局部养护工作的实施主要从沥青路面 裂缝的维修、 冻胀与翻浆的维修、 沥青路面车辙的维修以及桥面铺装损坏的维修 四个方面进行相关分析。 第一, 对于路面裂缝的维修工作, 现在的这种病害 现象已不多

15、见, 早期的公路裂缝病害多源于温度裂缝、 半刚性基层反射裂缝和基 层强度不足引起的网状裂缝。 具体处理要求, 对于裂缝宽度在 5厘米以内的横向 裂缝要及时地灌入热沥青。 而对于超过 5厘米要先进行机械开槽, 继而在进行细 粒式沥青混合料进行填充和捣实。对于出现的网状裂缝应将沥青表面铣刨或拉 毛,再加铺一层沥青混凝土上封层。The first part of the implementation of the maintenance work. For local maintenance work is mainly from the implementation of asphalt pave

16、ment crack repair, frost heave and frost boiling repair, the repair of asphalt pavement rutting and bridge deck pavement damage repair four aspects to carry on the related analysis. First, for the pavement crack repair work, the disease is now already did not see more, reticulate crack of road crack

17、s caused by multi-source early temperature cracks, reflective crack in the semi-rigid base and base strength is insufficient. Specific treatment requirements, for crack width in the transverse cracks within 5 cm to timely poured into the hot asphalt. For more than 5 cm to mechanical grooving, then i

18、n the fine asphalt mixture filling and compaction. The reticular cracks should be asphalt surface milling or napping, plus a layer of asphalt concrete layer.第二, 对于冻胀与翻浆的维修。 对于容易发生在开山路堑段的冻胀现象, 要 先将路基下部设置纵向或者横向盲沟, 然后再进行路面的处理工作。 如果对于高 速公路出现的翻浆现象, 要将原路面挖到路基顶部, 再填充砂砾垫层, 重做水泥 稳定砂砾,最后再做混凝土面层的铺筑。Second, the

19、 frost heave and frost boiling repair. For those in the frost heaving and open road section, put the subgrade longitudinal or transverse blind ditch is arranged at the lower part, processing and then pavement. If the boiling phenomenon expressway , to the original pavement subgrade excavation to top

20、, then filling gravel cushion, redo cement stabilized gravel, then do the concrete surface layer paving.第三, 沥青路面车辙的维修。 对于沥青路面出现的车辙现象一定要确定好是 哪种类型的车辙, 什么原因造成的车辙。 对于不同的车辙采取的措施也不尽相同。 对于路面基层强度不足而造成的车辙要先铣掉面层, 先从路面基层做起, 然后再 进行面层铺筑; 如果路面车辙是因为表层磨损过度而造成的车辙, 要先清除面层 再进行铺筑沥青混凝土铺筑工作。Third, the rutting of asphalt

21、pavement repair. The rutting of asphalt pavement appear to determine what type of rutting, what causes the rut. For different rut measures are not the same. For the lack of pavement strength caused by the rut to mill off the surface layer, the first from the surface of the grass-roots level, and the

22、n paving surface; if the pavement rutting is because the surface wear caused by excessive rutting, the first clear the surface layer of paving asphalt concrete paving work.第四, 对于桥面铺装损坏的维修。 桥面出现损坏主要有两种情况:一个是只 是沥青面层损坏, 而在面层下的混凝土尚好。 这时就需要将沥青面层铣掉, 露出 水泥混凝土。 然后再喷乳化沥青, 最后进行混凝土铺筑。 另一个是沥青面层损坏、 层下的混凝土也损坏了, 这

23、时就需要先将混凝土进行处理, 对于损坏面积小的可 以进行局部修复, 而对于损坏面积比较严重的则要进行重新进行混凝土铺装的工 作。Fourth, for the bridge deck pavement damage repair. Bridge damage occurs mainly to have two kind of situations: one is just the asphalt surface layer damage, but under the surface layer of concrete is good. Then you will need to asphalt

24、 pavement milling off, exposing cement concrete. And then sprayed emulsified asphalt concrete paving,finally. Another is the asphalt surface layer damage, the concrete is damaged, then you need to be concrete processing, for the damaged area can be small to local repair, the damaged area is more ser

25、ious is to concrete pavement work.其次是罩面。 高速公路路面罩面主要为了消除破损、 改善路面的平整度和恢 复抗滑性能, 以前采用抗滑表层 AK -13A 或 AK -16A 型, 近几年, 随着 SMA 路面结构技术的日臻成熟, SMA 是最为理想的面层结构,一般罩面的厚度宜在 45cm ,一般不得小于 4cm 。路用沥青最好使用 SBS 改性沥青。The second is the cover. Highway pavement overlay is mainly in order to eliminate the damage, improve the surface smoothness and recovery of skid resistance performance, before the anti-slide surface AK - 13A or AK - 16A, in recent years, along with the technology of SMA pavement structure is becoming