深立井高净水压力含水层工作面预注浆施工实践

Deep vertical shaft high water purification pressure water-bearing stratum working surface pre-note thick liquid construction practice

郓城煤矿在副井井筒深部含水层施工过程中采取多种措施,防止了止浆垫上浮破坏、井壁被注浆破坏等事故的发生,保证了井筒井壁和探水预注浆施工的安全,取得了很好的注浆效果。

In the coal mine auxiliary shaft well chamber depth portion water-bearing stratum construction,takes many kinds of measures in the construction process,has not occurred stops the thick liquid to fill up floats the destruction,the wall to pour accidents and so on thick liquid destruction,had guaranteed the well chamber wall and searches Shui Yuzhu the thick liquid construction the security,has made the very good note thick liquid progress.