
1. 重庆交通大学岩土工程研究所
2. 华电金沙江上游水电开发有限公司叶巴滩分公司
3. 重庆工程职业技术学院
纸质出版:2025
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唐红梅, 宋刚, 杨健, 等. 库岸塔柱状危岩的压裂耦合损伤-突变失稳预测[J]. 三峡大学学报(自然科学版), 2025,(1):28-36.
唐红梅, 宋刚, 杨健, 等. 库岸塔柱状危岩的压裂耦合损伤-突变失稳预测[J]. 三峡大学学报(自然科学版), 2025,(1):28-36. DOI: 10.13393/j.cnki.issn.1672-948X.2025.01.005.
位于三峡库区巫峡段消落带的塔柱状危岩,其底部多损伤因素的耦合作用下常呈压裂诱发座溃整体失稳模式,危岩底部耦合损伤至突变机制是研究该类库岸危岩体失稳预警的关键科学问题.以三峡库区库岸巫峡段箭穿洞塔柱状危岩体为例,将危岩体简化为中上部非劣化区和下部劣化区的二元地质力学模型,基于应变等价原理获得其危岩体下部劣化区的荷载效应、溶蚀效应、干湿循环弱化效应的耦合损伤本构模型和总损伤度演化方程,根据地质力学模型概化为等效弹簧模型转化为力-位移的耦合损伤本构方程;基于能量平衡原理和突变理论建立了塔柱状危岩的耦合损伤-折叠突变模型,获取了其失稳判据和临界位移的表达式.通过案例分析结果表明:该危岩体突变失稳时的系统控制变量为-0.007 3
预测模型计算理论的突变起点垂向位移为42.2 mm
终止点位移为60.5 mm
当监测数据危岩体最大垂向累积位移为26.2 mm时,小于突变起始位移时就采用及时治理措施,与危岩未失稳的状态吻合.其研究成果可为三峡库区灰岩地区库岸塔柱状压溃型危岩的监测预警与防治提供重要的理论支撑.
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China University of Petroleum Beijing China,PetroChina Jilin Oilfield Company Songyuan China,College of Geosciences China University of Petroleum Beijing China,Research Institute of Exploration and Development Jilin Oilfield Company Songyuan China,Research Institute of Exploration and Development Jilin Oilfield Company Songyuan China,Institute of Unconventional Oil & Gas Northeast Petroleum University Daqing China,Department of Civil Engineering Monash University Melbourne Vic.,School of Electrical Engineering & Information Northeast Petroleum University Daqing China.A brittleness evaluation method of rock constitutive relationship with Weibull distribution based on double‐body system theory[J].Energy Science & Engineering,2020.
Luqi Wang,Yueping Yin,Cuiying Zhou,Bolin Huang,Wenpei Wang.Damage evolution of hydraulically coupled Jianchuandong dangerous rock mass[J].Landslides,2020.
Yuwei Li,Min Long,Lihua Zuo,Wei Li,Wanchun Zhao.Brittleness evaluation of coal based on statistical damage and energy evolution theory[J].Journal of Petroleum Science and Engineering,2018.
Yueping Yin,Bolin Huang,Guangning Liu,Shichang Wang.Potential risk analysis on a Jianchuandong dangerous rockmass-generated impulse wave in the Three Gorges Reservoir, China[J].Environmental Earth Sciences,2015.
Jixun Zhang,Jiaqing Shu,Haibo Zhang,Xuhua Ren,Jiang Qi.Study on Rock Mass Stability Criterion Based on Catastrophe Theory[J].Mathematical Problems in Engineering,2015.
Z. Feng,B. Li,Y. P. Yin,K. He.Rockslides on limestone cliffs with subhorizontal bedding in the southwestern calcareous area of China[J].Natural Hazards and Earth System Science,2014.
Zhi Qiang Wang,Ai Wu Li,Yue Pan.Energy Releasing Illustration of Rock Destabilization Based on Catastrophe Theory[J].Advanced Materials Research,2011.
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