【摘要】 为控制巷道高压底鼓,提出巷道锚索承载包络圈理论支护技术,用以提高巷道围岩自身承载能力,维持巷道稳定。通过理论研究,使用FLAC3D数值模拟技术及工程实践研究方法,诠释深埋巷道底鼓破坏原因及验证新型支护方案的合理性。更多还原

【Abstract】 In order to control the high pressure floor heave of roadway,proposed roadway anchor bearing envelope circle theory supporting technology for improving roadway surrounding rock bearing capacity,to maintain the stability of the roadway. Through theoretical study,using the FLAC3 Dnumerical simulation technology and engineering practice of research method,interpretation the cause of deep roadway floor heave failure and verifies the rationality of supporting scheme.更多还原