CAJ | 학술논문

近年来，水电站库区渗漏、核废料深地质处置、CO2地质储存、输油管道渗漏、垃圾填埋造成的地下水灾害及污染等倍受关注，而这些工程的安全性、可靠性与低渗透性岩体关系密切。针对这一问题，本文采用水压致裂法测地应力、压水试验测岩体渗透率的方法，对低渗透性页岩进行了试验研究，结果表明：（1）研究区地应力值随着孔深呈递增趋势，符合地应力的一般分布规律；（2）研究区低渗透性岩体的透水率随深度的增加而逐渐减小，且0～100m，透水率变化较大，100～400m，透水率变化较小，而400～600m时，岩体透水率则基本保持在一个相对稳定的数量级上，回归分析知研究区岩体透水率与孔深具有较好的负冥指数关系；（3）研究区低渗透性岩体渗透率与地应力总体上服从负指数关系，但不同点的地应力对岩体渗透率的影响具有一定差异性。这与国内外其他学者的研究结果一致，这为该地区进一步研究低渗透性裂隙岩体渗流规律奠定了基础。
근년래，수전참고구삼루、핵폐료심지질처치、CO2지질저존、수유관도삼루、랄급전매조성적지하수재해급오염등배수관주，이저사공정적안전성、가고성여저삼투성암체관계밀절。침대저일문제，본문채용수압치렬법측지응력、압수시험측암체삼투솔적방법，대저삼투성혈암진행료시험연구，결과표명：（1）연구구지응력치수착공심정체증추세，부합지응력적일반분포규률；（2）연구구저삼투성암체적투수솔수심도적증가이축점감소，차0～100m，투수솔변화교대，100～400m，투수솔변화교소，이400～600m시，암체투수솔칙기본보지재일개상대은정적수량급상，회귀분석지연구구암체투수솔여공심구유교호적부명지수관계；（3）연구구저삼투성암체삼투솔여지응력총체상복종부지수관계，단불동점적지응력대암체삼투솔적영향구유일정차이성。저여국내외기타학자적연구결과일치，저위해지구진일보연구저삼투성렬극암체삼류규률전정료기출。
In recent years,groundwater contamination can be caused by deep geological disposal of nuclear waste,CO2 deep geological disposal,landfills,hydroelectric reservoir leakage,oil pipeline leakage,which is attractedmuch attentions.The safety and reliability of these projects are closely related with the lowpermeability rock.Forthis problem,the low permeability of shale is studied with hydraulic fracturing method to measure stress and waterpressure test method for measuring rock permeability.The results show that:(1 )Stress value of the study areashows an increasing trend with the depth of the hole,in line with the general distribution of stress;(2)Rockpermeability decreases with depth.From 0 to 1 00m deep,water permeability changes greatly.From 1 00 to 400mdeep,water permeability changes little.From 400 to 600m deep,the rock permeability rate remains at a relativelystable order of magnitude.According to regression analysis,the rock permeability rate and depth of the hole have agood negative exponential relationship.(3 )Rock permeability and geostress have a negative exponentialrelationship.The impact of geostress on the rock permeability is a certain difference at different regions.This isconsistent with the findings of other scholars.It forms the foundation for future research on seepage of lowpermeability rock.