水库蓄水后,土坝长期处于浸润状态,经常受各种外界因素的影响.工程有无病变,能否安全运转,关系着工农业生产和广大人民生命财产的安全.如何保证土坝安全是水利管理机构和管理员工的重要职责,必须进行经常的检查观测,掌握工程外部和内在的各种变化,随时判定工程安全情况. After the reservoir is impounded, the earth dam is infiltrated for a long time and is often affected by various external factors. Whether the project is disease-free or not can be safely operated depends on the industrial and agricultural production and the safety of the people’s lives and properties. Management agencies and management of the important responsibilities of staff, we must conduct regular inspections and observations, master the external and internal changes, at any time to determine the safety of the project.