This paper introduces the application of the backfill grouting technique to block up the branchtunnel, the corresponding technology, technique request and result evaluation are given.
文章介绍了回填灌浆技术在支洞封堵中的应用，支洞回填灌浆的施工工艺、技术要求以及效果评价。
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Set up a new branch (1962), Mechanics of Underground Structure Engineering in the field of Tunnel and Underground Structure.