Special Area Highway - 21st Century Transportation Edition

Author: Wang Haichun
Publisher:
Publish Date: 2006-06-01
Features: This textbook can be used as a teaching material for highway and bridge engineering technology programs, high-level highway maintenance and management programs, and other transportation and civil engineering majors in vocational and technical colleges. It is also suitable for reference by technical personnel engaged in highway and bridge design, construction, and maintenance. The book consists of five chapters. Chapter 1 is an introduction, providing an overview of the distribution of special regions, climatic and hydrological conditions, geological and topographical features, and an introduction to the general situation, development trends, and learning methods of highways in special regions. Chapter 2 covers highways in permafrost regions, introducing the definition of permafrost, frost heave mechanisms, physical and mechanical properties, and regional characteristics. It also discusses the basic knowledge of highway design, construction, and maintenance in permafrost regions, as well as the problems and prevention measures for embankment failures in snow-prone areas and brine flow areas, and the selection of foundation depth for small bridges and culverts. Chapter 3 focuses on highways in collapsible loess regions, introducing the engineering and hydrological properties of loess and their impact on engineering. It covers foundation treatment in collapsible loess regions and maintenance methods for highway embankments, as well as key points and methods for the design and construction of highway embankments in these regions. Chapter 4 discusses highways in saline-alkali soil regions, covering route selection principles and surveying key points, embankment design principles, and the treatment of embankment slopes and shoulders. It also includes construction methods and key points for embankments in saline-alkali soil regions, as well as the characteristics, design, and construction of embankments in salt lakes, common embankment problems and prevention measures, and daily maintenance of highways in saline-alkali soil regions. Chapter 5 covers highways in desert regions, introducing desert topography and wind-sand movement patterns, the harm caused by wind and sand to highways, and the surveying and design of highways in desert regions. It also discusses the construction and maintenance of highways in desert areas.