The Soil Erosion by Line Type Projects and Its Control Methods

The transmit projects such as communication, resource collocation, and so on, have the characteristics of spanning the long lines, setting the more areas, and effecting the many sides. Of course, they are the foundation projects to promote regional economic development, but at the same time, they are the major construction items which easy caused the loss of soil and water, and the bad effects of the entironment. The disbennifits to the entironment and the major damages of soil and water loss include: Occupying and destroying vegetation, infields, ponds, dams and other establishments of water storage and soil conservation; Frame breakage of landform, unstable of foundation rocks, soil and stones dilapidation and landslip which caused by main project construction, and the other damages involving of soil and water conservation loss; The impact on flood control and water storage due to squeezing of watercourses or water storages that caused by abandoned soil and stones; The side slope unstable and vegetation destroyed of the hill slope caused by the constructing roads and the fields witch provide con struction material of soil and stones. The prevention and cure measures of soil and water loss caused in the construction of line type projects include as following: Fix on the foundation lines of the construction projects scientifically; Deeply reduce the destroying original measures of soil and water conservation; On the hill slopes along with the confiscation bands used for constructing railways or highways, must build slope protecting measures or other ground reinforcing measures; Be sure to fulfill invest budget for the soil and water conservation scheme.