岩土空洞周围的压力拱及其特性 dWP<,Z>
https://baike.baidu.com/item/%E5%B2%A9%E5%9C%9F%E7%A9%BA%E6%B4%9E%E5%91%A8%E5%9B%B4%E7%9A%84%E5%8E%8B%E5%8A%9B%E6%8B%B1%E5%8F%8A%E5%85%B6%E7%89%B9%E6%80%A7/12250969 m4?a'z"
郑颖人普氏压力拱理论局限性 LZDJ\"a-
https://wenku.baidu.com/view/cbe506a9b9f3f90f77c61b64.html