With the continuous development of China’s economy,the construction of roads and bridges work has put forward higher requirements.Due to various factors,the long-term use of roads and bridges will produce a settlemen...With the continuous development of China’s economy,the construction of roads and bridges work has put forward higher requirements.Due to various factors,the long-term use of roads and bridges will produce a settlement phenomenon.Therefore,it is crucial to address settlement issues during the construction of roads and bridges to ensure that the quality of subgrade and pavement construction meets national regulations.This paper introduces the harm of subgrade pavement subsidence,analyzes the causes of subgrade pavement deformation,and discusses the technical points of subgrade pavement construction,hoping to provide some reference for relevant practitioners.展开更多
With the rapid development of current social economy,China’s infrastructure construction is constantly increasing.The development of transportation industry and road structure which serve as infrastructure facility f...With the rapid development of current social economy,China’s infrastructure construction is constantly increasing.The development of transportation industry and road structure which serve as infrastructure facility for the vehicles are fundamental aspect in economy growth.It’s not only convenience to people for travel,but also as a good foundation for the development of economy.Therefore,the quality of road construction is of great significance importance in the process of development.As technology advances,engineering construction is continuously expanding,especially in the road engineering sector.In this point,it’s necessary to impose strict quality control over related matters and ensure the quality and safety of municipal road construction.In the construction of municipal road engineering,one of the most important components is the compaction of subgrades and pavements,which requires more supervision.The compaction should match the requirements of road design and implement relevant work.展开更多
In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous develop...In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous development of the expressway,the service level of the expressway is need to be improved,by ensuring the safety of the people,and by providing more convenient services for the people during travel.The technical measures for scientific maintenance of expressway subgrade and pavement diseases were discussed in this paper.Further,this paper discusses the main subgrade and pavement diseases types,and proposed the targeted maintenance methods,which can be as a reference for the expressway maintenance departments.展开更多
With lots of indoor and outdoor experiments, several key technical issues in construc-tion of the Desert Highway have been solved satisfactorily, on the basis of great achievements ofthe studies in respects of dry com...With lots of indoor and outdoor experiments, several key technical issues in construc-tion of the Desert Highway have been solved satisfactorily, on the basis of great achievements ofthe studies in respects of dry compaction on sand base, design parameters, structure combinationof subgrade and pavement, stabilization analysis of sand base strengthened with geotextile and acomplete set of construction techniques. It is the first time the achievements of the study weresuccessfully applied in the Taklimakan Desert where the natural condition is extremely harsh. Ithas been proved that it is economic and reasonable with reliable techniques and simple construc-tion methods. The Desert Highway constructed with the achievements is the first-grade highwayrunning through huge migratory desert for long distance in the world.展开更多
路基是公路的主要承重结构。随着我国公路建设由高速发展转向高质量发展,数字化施工技术、智能化建设以及信息化管控成为路基工程中的核心技术手段。本文综述了路基工程智能建养关键技术的研究现状,并主要从建筑信息模型(building infor...路基是公路的主要承重结构。随着我国公路建设由高速发展转向高质量发展,数字化施工技术、智能化建设以及信息化管控成为路基工程中的核心技术手段。本文综述了路基工程智能建养关键技术的研究现状,并主要从建筑信息模型(building information modeling,BIM)技术、路基智能压实技术、路基健康监测与评价技术以及路基智能注浆加固技术4个方面进行分析。目前存在问题如下:BIM技术在路基工程领域中的应用还处于起步阶段,缺少合理的施工质量量化指标以及成本估算方法;智能压实技术理论研究薄弱,质量均匀性评价研究较少;现有路基监测与评价技术的测量方法易受到其他因素影响,人工干预较大;注浆加固技术没有统一的质量评价指标,大多还是凭借工程经验和理论分析来评价。因此,未来需要针对提出的问题对各项关键技术开展智能化理论与应用研究,为路基工程智能化建养提供指引。展开更多
文摘With the continuous development of China’s economy,the construction of roads and bridges work has put forward higher requirements.Due to various factors,the long-term use of roads and bridges will produce a settlement phenomenon.Therefore,it is crucial to address settlement issues during the construction of roads and bridges to ensure that the quality of subgrade and pavement construction meets national regulations.This paper introduces the harm of subgrade pavement subsidence,analyzes the causes of subgrade pavement deformation,and discusses the technical points of subgrade pavement construction,hoping to provide some reference for relevant practitioners.
文摘With the rapid development of current social economy,China’s infrastructure construction is constantly increasing.The development of transportation industry and road structure which serve as infrastructure facility for the vehicles are fundamental aspect in economy growth.It’s not only convenience to people for travel,but also as a good foundation for the development of economy.Therefore,the quality of road construction is of great significance importance in the process of development.As technology advances,engineering construction is continuously expanding,especially in the road engineering sector.In this point,it’s necessary to impose strict quality control over related matters and ensure the quality and safety of municipal road construction.In the construction of municipal road engineering,one of the most important components is the compaction of subgrades and pavements,which requires more supervision.The compaction should match the requirements of road design and implement relevant work.
文摘In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous development of the expressway,the service level of the expressway is need to be improved,by ensuring the safety of the people,and by providing more convenient services for the people during travel.The technical measures for scientific maintenance of expressway subgrade and pavement diseases were discussed in this paper.Further,this paper discusses the main subgrade and pavement diseases types,and proposed the targeted maintenance methods,which can be as a reference for the expressway maintenance departments.
文摘With lots of indoor and outdoor experiments, several key technical issues in construc-tion of the Desert Highway have been solved satisfactorily, on the basis of great achievements ofthe studies in respects of dry compaction on sand base, design parameters, structure combinationof subgrade and pavement, stabilization analysis of sand base strengthened with geotextile and acomplete set of construction techniques. It is the first time the achievements of the study weresuccessfully applied in the Taklimakan Desert where the natural condition is extremely harsh. Ithas been proved that it is economic and reasonable with reliable techniques and simple construc-tion methods. The Desert Highway constructed with the achievements is the first-grade highwayrunning through huge migratory desert for long distance in the world.
文摘路基是公路的主要承重结构。随着我国公路建设由高速发展转向高质量发展,数字化施工技术、智能化建设以及信息化管控成为路基工程中的核心技术手段。本文综述了路基工程智能建养关键技术的研究现状,并主要从建筑信息模型(building information modeling,BIM)技术、路基智能压实技术、路基健康监测与评价技术以及路基智能注浆加固技术4个方面进行分析。目前存在问题如下:BIM技术在路基工程领域中的应用还处于起步阶段,缺少合理的施工质量量化指标以及成本估算方法;智能压实技术理论研究薄弱,质量均匀性评价研究较少;现有路基监测与评价技术的测量方法易受到其他因素影响,人工干预较大;注浆加固技术没有统一的质量评价指标,大多还是凭借工程经验和理论分析来评价。因此,未来需要针对提出的问题对各项关键技术开展智能化理论与应用研究,为路基工程智能化建养提供指引。
