岩土工程学报2017,Vol.39Issue(3):417-426,10.DOI:10.11779/CJGE201703004
断层破碎带隧道突水突泥模型试验系统研制与应用
Development and application of model test system for inrush of water and mud of tunnel in fault rupture zone
摘要
Abstract
In order to study disaster evolutionary process and failure characteristics of Yonglian tunnel of Ji'an-Lianhua highway under the effect of disturbance, taking F2 fault fracture zone as the research object, a large-scale 3D geologic model test system is developed. The system consists of model bench, geostress loading system, hydraulic loading system and information monitoring system. A new type of similar material of fault and surrounding rock used in the solid-fluid coupling model tests is developed through tests on a large number of different material ratios and physical and mechanical performance parameters. The test system and similar material are used to simulate the hazard of inrush of water and mud. The change rules of seepage pressure, stress-strain, displacement and flooder in the process of excavation for common and fault surrounding rock. The results of model test agree with the catastrophic characteristics of actual projects perfectly. The system is stable and reliable, and it can be widely used for model tests in other underground projects. The research methods and the results are of certain guiding significance to the practical engineering.关键词
断层破碎带/突水突泥/灾变演化/相似材料/模型试验Key words
fault rupture zone/inrush of water and mud/disaster evolution/similar material/model test分类
建筑与水利引用本文复制引用
张庆松,王德明,李术才,张霄,谭英华,王凯..断层破碎带隧道突水突泥模型试验系统研制与应用[J].岩土工程学报,2017,39(3):417-426,10.基金项目
国家重点研发计划项目(2016YFC0801600) (2016YFC0801600)
国家自然科学基金项目(41272385) (41272385)
教育部博士点基金项目(20130131110032) (20130131110032)