The Damage Reasons And The Prevention Measures Of Rural Highway

In recent years,with the rapid development of highway construction,the construction of cement concrete pavement in our country is developing rapidly.By the end of 2014,China has built a total mileage of cement concrete pavement to reach 1 million 653 thousand and 200 km.The cement concrete pavement is usually called the concrete pavement,which belongs to the rigid pavement.As one of the most important pavement forms,it has obvious advantages in technology and economy.Because of its characteristics: smooth surface,comfortable driving,high strength,good stability,good durability,good anti-sliding,low investment costs,etc..The form of this road has become the most important form of rural road in Chongqing area.However,the use of cement concrete pavement in the process,due to the load,environment,design,construction and other factors,the use of the road after a period of time,there will be a variety of diseases.For these diseases,if not timely maintenance,often caused by the deterioration of the performance of cement concrete pavement,the impact of the car ride comfort,as well as traffic safety.In this paper,the disease types and formation mechanism of cement concrete pavement are expounded,and the different types of diseases are classified.Adopting the methods of field observation and test focuses on the cracks,explicit and so on,and puts forward the prevention and treatment of diseases of the measures.So as to improve its performance,and extend its service life.The region type dominated by hills,rural roads are built and built,has the characteristics of large gradient,small turning radius.Some of the mountains due to the production of minerals,a lot of truck traffic.This paper selects Bishan,Chongqing City district is a typical disease of disease of rural highway,shortage of construction stage which puts forward rural highway local actual management proposals for the disease curing stage,has certain theoretical significance and practical value.