细粒式超薄SMA-5在高速公路养护维修工程中的应用研究
发布时间：2018-07-21 10:12
【摘要】：京沪高速临沂段是贯穿临沂市南北的主要通道,全长169Km,于1999年通车,自2003年开始连续进行了五年的大修,经过多年的运营,部分路段又出现了车辙、唧浆、松散、坑槽等路面病害,现有路面平整度较差,存在局部车辙及桥头跳车的现象。近年来,随着交通量的快速增长,遇有特殊情况,堵车、压车成为常态,一旦进行较长时间的路面维修施工,将会严重影响高速公路的通行能力；另外临沂市的高速公路及国省道通车里程较长,每年的计划维修养护资金有限,只能对局部较为严重的路段进行维修,这会导致部分路段由于维修不及时,集中出现大面积的病害。于是来自社会各界的压力越来越大,造成了不良的社会影响。因此需要一种新的施工工艺,造价低,施工速度快,还能有效降低路面维修施工造成的车辆通行压力。细粒式超薄SMA-5即是本文的研究对象。研究主要涉及高速公路养护维修与细粒式超薄SMA-5的现状分析,细粒式SMA-5沥青混合料配合比设计,细粒式超薄SMA-5罩面层施工方案三大方面内容。高速公路养护维修与细粒式超薄SMA-5现状分析主要内容：高速公路养护维修原则、重要性及特点；细粒式超薄SMA-5的性能优势分析；细粒式超薄SMA-5的社会、经济效益。细粒式SMA-5沥青混合料配合比设计主要内容：SMA-5沥青混合料目标配合比的设计；SMA-5沥青混合料生产配合比的设计及试验路段验证。细粒式超薄SMA-5罩面层施工方案主要内容：施工工艺；施工质量保证；施工注意要点控制。通过上述研究主要得出以下结论：细粒式超薄SMA-5具有良好的路用性能,社会、经济效益明显,生产配合比混合料各项体积指标满足规范要求,标准生产配合比可以作为大面积施工的依据。施工方案可行,能大面积应用于高速公路路面预防性养护及高速公路路面维修罩面。
[Abstract]:The Beijing-Shanghai Expressway Linyi section is the main passage running through the north and south of Linyi City. It was opened to traffic in 1999 and has been continuously repaired for five years since 2003. After many years of operation, some sections of the section have also appeared rutting, jawing and looseness. Potholes and other road surface diseases, the existing road surface roughness is poor, there are local rutting and bridge head jump phenomenon. In recent years, with the rapid growth of traffic volume, when there are special circumstances, traffic jams and vehicle pressure become the normal. Once the road surface maintenance construction for a long time, will seriously affect the capacity of the highway; In addition, the expressway and provincial highway in Linyi City have a long mileage, and the annual planned maintenance funds are limited, so they can only carry out repairs to some of the more serious sections of the road, which will result in some sections of the road not being repaired in a timely manner. A large area of disease is concentrated. As a result, the pressure from all walks of life is increasing, resulting in adverse social impact. Therefore, a new construction technology is needed, which has the advantages of low cost, fast construction speed and effective reduction of vehicle traffic pressure caused by pavement maintenance construction. Fine-grained SMA-5 is the research object of this paper. The research mainly involves the current situation analysis of expressway maintenance and fine grain type ultra-thin SMA-5, the mix design of fine grain SMA-5 asphalt mixture and the construction scheme of fine grain type ultra-thin SMA-5 overlay. The main contents of this paper are as follows: principle, importance and characteristics of maintenance and repair of expressway, performance advantage analysis of ultrathin SMA-5, social and economic benefits of ultrathin SMA-5 with fine grain. The main content of SMA-5 Asphalt mixture mix proportion Design of SMA-5 Asphalt mixture is the design of target mix ratio of SMA-5 asphalt mixture and the design of production mix ratio of SMA-5 asphalt mixture and the verification of test section. The main contents of the construction scheme of fine grain type ultra-thin SMA-5 overlay layer are: construction technology, construction quality assurance, construction attention key points control. The main conclusions are as follows: the fine grain SMA-5 has good road performance, social and economic benefits, and the volume index of the mixture can meet the requirements of specifications. The standard production mix ratio can be used as the basis of large area construction. The construction scheme is feasible and can be widely used in the preventive maintenance of expressway pavement and the overlay of expressway pavement maintenance.
【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U414;U418
本文编号：2135187
[Abstract]:The Beijing-Shanghai Expressway Linyi section is the main passage running through the north and south of Linyi City. It was opened to traffic in 1999 and has been continuously repaired for five years since 2003. After many years of operation, some sections of the section have also appeared rutting, jawing and looseness. Potholes and other road surface diseases, the existing road surface roughness is poor, there are local rutting and bridge head jump phenomenon. In recent years, with the rapid growth of traffic volume, when there are special circumstances, traffic jams and vehicle pressure become the normal. Once the road surface maintenance construction for a long time, will seriously affect the capacity of the highway; In addition, the expressway and provincial highway in Linyi City have a long mileage, and the annual planned maintenance funds are limited, so they can only carry out repairs to some of the more serious sections of the road, which will result in some sections of the road not being repaired in a timely manner. A large area of disease is concentrated. As a result, the pressure from all walks of life is increasing, resulting in adverse social impact. Therefore, a new construction technology is needed, which has the advantages of low cost, fast construction speed and effective reduction of vehicle traffic pressure caused by pavement maintenance construction. Fine-grained SMA-5 is the research object of this paper. The research mainly involves the current situation analysis of expressway maintenance and fine grain type ultra-thin SMA-5, the mix design of fine grain SMA-5 asphalt mixture and the construction scheme of fine grain type ultra-thin SMA-5 overlay. The main contents of this paper are as follows: principle, importance and characteristics of maintenance and repair of expressway, performance advantage analysis of ultrathin SMA-5, social and economic benefits of ultrathin SMA-5 with fine grain. The main content of SMA-5 Asphalt mixture mix proportion Design of SMA-5 Asphalt mixture is the design of target mix ratio of SMA-5 asphalt mixture and the design of production mix ratio of SMA-5 asphalt mixture and the verification of test section. The main contents of the construction scheme of fine grain type ultra-thin SMA-5 overlay layer are: construction technology, construction quality assurance, construction attention key points control. The main conclusions are as follows: the fine grain SMA-5 has good road performance, social and economic benefits, and the volume index of the mixture can meet the requirements of specifications. The standard production mix ratio can be used as the basis of large area construction. The construction scheme is feasible and can be widely used in the preventive maintenance of expressway pavement and the overlay of expressway pavement maintenance.
【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U414;U418
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