大坝投入运行后,由于受到各种内外因素的影响,其状态和工作情况,随时都在不断地变化.大坝本身及其基础有无不正常的情况,能否安全运用,就必须进行全面系统及时地检查与观测,以便掌握工程的状态.因此,检查与观测是大坝安全监测的重要内容之一,也是大坝安全管理工作的耳目. After the dam is put into operation, due to various internal and external factors, the status and working conditions of the dam are always changing constantly. Whether the dam itself or its foundation is normal or not can be safely applied, it is necessary to conduct a comprehensive and systematic Therefore, inspection and observation are one of the important contents of dam safety monitoring and are also the eyes and ears of dam safety management.