The paper has introduced grouting reinforcing technology in water-resisting floor at 23071 coal face in Fangzhuang Colliery,which has not only reinforced the floor,but also guarranted the safety production.

• 本文主要介绍了焦作市方庄煤矿23071工作面煤层隔水底板注浆加固技术。 通过对煤层隔水底板实施注浆,不但加固了底板,也保证了工作面的安全生产,经过钻孔压力试验及工作面回采检验,证明了煤层隔水底板注浆增厚加固技术的合理性和实用性。