Roomy crack of rock mass enclosed construction

The utility model relates to a roomy crack of rock mass enclosed construction, including blocking layer and obturator, blocking layer is located the basement rock surface and covers the opening part in the crack, blocking layer is equipped with and supplies and enter the hole that thick liquid pipe and slurry return pipe passed, the obturator is located the crack and laminate with blocking layer bottom surface and crack side rock mass, the simple structure of enclosed construction, seal effectually, can not leak the phenomenon outside the heavy consolidation grouting in -process of uncovered appears. 本实用新型涉及种岩体宽大裂隙封闭结构，包括封堵层和填充体；所述封堵层位于基岩表面并覆盖在裂隙的开口处，所述封堵层设有供与进浆管和回浆管穿过的孔；所述填充体位于裂隙内并且与封堵层底面和裂隙侧面岩体贴合，本实用新型所述封闭结构的构造简单、封闭效果好，不会在无盖重固结灌浆过程中出现外漏现象。