文档介绍:软岩巷道的支护方式张向东,王猛(辽宁工程技术大学土木与交通学院,辽宁,阜新, 123000 ) 摘要: 随着煤炭资源开采深度的增加和地下空间的开发利用,工程中难免遇到复杂的软弱岩层,对软岩巷道的合理、稳定的支护直接关系到施工的安全和人民的生命安全。本文归纳了膨胀性软岩巷道、高应力软岩巷道、节理化软岩巷道、复合型软岩巷道的基本特征,从工程实例的角度总结了软岩巷道的破坏形式及研究的基本模型,总结了部分新的研究技术和支护技术,这些理论成果反映了软岩巷道支护的研究水平, 也代表了软岩巷道支护方式的发展方向。关键词: 膨胀性软岩;高应力软岩;节理化软岩;复合型软岩;支护 Support ing form ofs oft rock tunnel ZHANG Xiang-dong , WANG Meng (Civil Engineering and Transportation , Liaoning Technical University, Fuxin, 123000) Abstract : With the de ep exploitation of coal resources and utilization of underground space, complex soft rock appears in engineering .S upporting reasonabl y and stabl y relates to the safety ofc onstruction and l ife safety of people d irectly . The paper makes a introduction of the b asic characteristics of the expansion soft rock tunnel, the high stress soft rock tunnel, jointed soft rock tunnel pound soft rock tunnel, summarize s the d estruction and t he basic model s of soft rock ording to the e ngineering examples , summarize s part of new r esearch and supporting technique s, which reflect s the r esearch level of supporting of soft rock tunnel and representative s the development direction of it. Keywords :E xpansion soft rock; H igh stress soft rock; J ointed soft rock; C ompound soft rock, Supporting 1引言软岩是一种特定环境下的具有显著塑性变形的复杂岩石力学介质, 可分为地质软岩和工程软岩两大类别。地质软岩指强度低、孔隙度大、胶结程度差、受构造面切割及风化影响显著或含有大量膨胀性粘土矿物的松、散、软、弱岩层, 该类岩石多为泥岩、页岩、粉砂岩和泥质砂岩, 是天然形成的复杂的