Study on non-uniform settlement of drainageway in Waiwan of Dongting-lake

Non-uniform settlement of the part of building(box culvert) crossing the levee of Dongting-lake appears in its usable life affects its operation, and even leads to rupture. It is considered that the non-uniform settlement is caused by the weight of levee. The preservative measure is presented and used in the rebuilding of drainageway in Waiwan of Yiyang city,and the anticipated effect is obtained.