莲花水电站二坝设计

Design of second dam for Lianhua hydropower station

莲花水电站系牡丹江下游梯级开发的一座大型水电站。莲花水电站二坝位于大坝左岸山体垭口处，为粘土心墙砂砾石坝。最大坝高４７．２０ｍ，坝顶长３３０．００ｍｍ。１９９８年坝体竣工投入运行。二坝设计与修编初步设计相比。

The Lianhua hydropower station is a large cascade hydropower station at downstream of Mudajiang river. Its second dam locates at the hill cross over of left side bank of the first dam. It is a sandy gravel dam with clay core. The maximum dam height is 47.20m, and the crest length is 330.00m.The dam have been completed, and it put into service in 1998. The design of second dam has made better than the revised preliminary design, especially on the earth material design and foundation treatment.