This paper discusses the reliability of narrow coal column support from load-bearing capacity, pin timbering manner, small hole anchorage cable strengthening and top paste injection etc.

• 从保证窄煤柱承载能力、顶锚杆支护形式、小孔径锚索加固、顶板预注浆等方面论述了采用窄煤柱支护的可靠性。