three centered arch dam

Application and study of MgO micro-expanding concrete for construction of Sanjiang Arch Dam;

MgO微膨胀混凝土的温降补偿在三江拱坝的研究和应用

Sanjianghe arch dam is the first one constructed with MgO concrete and few transverse joints.

三江河拱坝是我国利用全坝外掺MgO、少量分缝及一个低温季节建成的第一座常态混凝土拱坝,目前已经成功运行了4年,取得了一些观测资料。