This paper disscusses the basic characteristics of strata behavior ,the technology of rib support,popularization and application of main types of rib support of roadways retained along previous gob.

• 简述了沿空留巷矿压显现的基本特征、沿空留巷的巷旁支护技术及主要巷旁支护形式的推广应用情况,分析了沿空留巷技术推广应用中存在的问题以及沿空留巷技术的适用条件。