【摘要】 紫坪铺水库大坝距汶川"5.12"地震的震中较近,地震对大坝造成了破坏,尤其是大坝的混凝土面板遭到损坏,威胁到大坝的防渗和安全。通过采取应急修复措施,大坝经受住了严峻考验,大坝监测结果表明,坝体在地震前后的变形明显,但地震之后没有明显的变化,已趋于稳定。更多还原

【Abstract】 Zipingpu dam is close to epicenter of May 12 Wenchuan Earthquake and was damaged due to the earthquake,especially concrete slabs suffered damages,affecting dam impermeability and safety.The dam withstands this serious event by taking emergency repair actions.Monitoring measurements indicate that dam body deformation was pronounced after earthquake comparing that before earthquake,but tends to be stable after the earthquake.更多还原