通常情况下,深基坑支护结构超出设计使用期限后,需要及时采取相应的加固措施,以确保符合安全性标准。文章以矿区某建筑为例,首先对地质水文以及基坑支护情况进行简单介绍,之后阐述了基坑加固方案及监测,最后针对超期使用及加固等问题提出相应的对策建议。 Under normal circumstances, the deep foundation pit support structure beyond the design life, the need to take appropriate reinforcement measures to ensure compliance with safety standards. Taking a building in a mining area as an example, the article briefly introduces the geology and hydrology as well as the support of the foundation pit, and then elaborates the foundation pit reinforcement plan and monitoring. Finally, it puts forward some countermeasures and suggestions for the problems of overuse and reinforcement.