洞庭湖外湾电排流道预留不均匀沉陷研究

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

摘要: 洞庭湖部分穿堤建筑物(箱涵)运用期间发生不均匀沉陷,影响运行甚至破损断裂。分析认为是大堤荷载引起。提出了预留不均匀沉陷的措施,并在益阳市外湾电排流道重建工程中实施,取得了预期效果。

Abstract: 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.