Key technical problems in construction organization design of North Xinjiang Water Supply Project
The North Xinjiang Water Supply Project is a large and long distance water supply project,of which the construction organization design is quite complicated.Within the construction design,the key technical points are the constructions of a tunnel in weak rock,three kinds of inverted siphons and a large channel in desert,and the plannings of both borrow area and the balance of the earth-rock excavation and fill as well as the construction water supply,etc.In conjunction with the construction of the project,the problems given above are briefly discussed herein.
Sanjiangkou Nature Reserve in Yunnan is a serious disaster area of frozen rain and snow disaster,the serious disaster has caused great damage to the nature reserve of forest resources.The study carried out survey,initial assessment and analysis on the damaged situation of main tree species resources in nature reserve.It provided some reference for strengthening disaster resistant ability of forest resource in nature reserve.