以开福寺献殿地下防空洞治理工程为例，介绍了该工程场地的地质条件，通过实地调查，分析了地下防空洞的分布特征及其稳定性，并从成孔工艺、制浆工艺、注浆工艺三个环节出发，对地下防空洞治理工程的工艺流程进行了阐述，总结了施工中应注意的事项，达到了保护地面建筑物的目的。%Taking the treatment engineering of Kaifu temple Xiandian underground air defense cave as an example,this paper introduced the geo-logical conditions of the engineering site,through the field investigation,analyzed the distribution characteristics and its stability of underground air defense cave,from the hole forming technology,pulping process,grouting technology three links,elaborated the process of underground air de-fense cave treatment engineering,summarized the matters needing attention in construction,achieved the purpose protection of ground buildings.
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