Article(id=1223185967759082260, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221911, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1663084800000, receivedDateStr=2022-09-14, revisedDate=1666022400000, revisedDateStr=2022-10-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559860409, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559860409, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559860409, creator=13701087609, updateTime=1769559860409, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=132, endPage=135, ext={EN=ArticleExt(id=1223185968824435557, articleId=1223185967759082260, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Characteristics and Prevention of Dangerous Rock Collapse Based on Numerical Simulation, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Aiming at the collapse and failure of high dangerous rock in Zhaojiaya, Xingshan County, numerical simulation methods were used to simulate the stability, evolution law and movement characteristics of the regional dangerous rock mass, so as to obtain the movement track, bounce height and impact energy of the collapsed rock. The results show that the Zhaojiaya dangerous rock has good stability under natural conditions. Under continuous rainfall or rainstorm, the fissure water gradually permeates, and there is the possibility of collapse and failure of the main control structural plane. After the collapse and destruction of the dangerous rock, most of the fallen rock will stay on the slope, and a few of the fallen rock will stop on the road at the foot of the slope after the collision and rebound. Combined with the actual situation of the site and RocFall simulation, the governance measures of "danger clearing + slope leveling + passive protection net" were proposed. The research results can provide reference for similar disaster control projects of high dangerous rock collapse.

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针对兴山县赵家娅危岩崩塌的高位危岩崩塌破坏,运用数值模拟手段,对区域危岩体稳定性、演化规律及崩塌破坏运动特征进行模拟分析,获得崩塌落石的运动轨迹、弹跳高度、冲击能量等。结果表明,赵家娅危岩在天然状况下稳定性较好,在连续降雨或暴雨条件下,裂隙水逐渐渗透,存在主控结构面失稳发生崩塌破坏的可能;危岩发生崩塌破坏后,大部分落石将停留在坡面上,少部分落石碰撞回弹后停止在坡脚公路;结合现场实际情况及RocFall模拟提出“清危+坡面平整+被动防护网”的治理措施。研究成果可为类似高位危岩崩塌灾害治理工程提供参考。

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易武(1966-),男,博士、教授、博导,研究方向为滑坡机理及滑坡监测与预报,E-mail:
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杨岚峣(1998-),男,硕士研究生,研究方向为地质灾害预报与防治,E-mail:

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杨岚峣(1998-),男,硕士研究生,研究方向为地质灾害预报与防治,E-mail:

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基于数值模拟的危岩崩塌特征及防治研究
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杨岚峣 1, 2, 3 , 易武 1, 2, 3 , 黄晓虎 1, 2, 3 , 李娜 4
水电能源科学 | 水利水电工程 2023,41(3): 132-135
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水电能源科学 | 水利水电工程 2023, 41(3): 132-135
基于数值模拟的危岩崩塌特征及防治研究
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杨岚峣1, 2, 3 , 易武1, 2, 3 , 黄晓虎1, 2, 3, 李娜4
作者信息
  • 1.湖北长江三峡滑坡国家野外科学观测研究站,湖北 宜昌 443002
  • 2.三峡地区地质灾害与生态环境湖北省协同创新中心,湖北 宜昌 443002
  • 3.防灾减灾湖北省重点实验室(三峡大学),湖北 宜昌 443002
  • 4.河南科技职业大学,河南 周口 466000
  • 杨岚峣(1998-),男,硕士研究生,研究方向为地质灾害预报与防治,E-mail:

通讯作者:

易武(1966-),男,博士、教授、博导,研究方向为滑坡机理及滑坡监测与预报,E-mail:
Research on Characteristics and Prevention of Dangerous Rock Collapse Based on Numerical Simulation
Lan-yao YANG1, 2, 3 , Wu YI1, 2, 3 , Xiao-hu HUANG1, 2, 3, Na LI4
Affiliations
  • 1.National Field Observation and Research Station of Landslides in Three Gorges Reservoir Area of Yangtze River, Yichang 443002, China
  • 2.Collaborative Innovation Center for Geo-Hawards and Eco-Environment in Three Gorges Area, Yichang 443002, China
  • 3.Hubei Key laboratory of Disaster Prevention and Reduction (China Three Gorges University), Yichang 443002, China
  • 4.Henan Vocational University of Science and Technology, Zhoukou 466000, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221911
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针对兴山县赵家娅危岩崩塌的高位危岩崩塌破坏,运用数值模拟手段,对区域危岩体稳定性、演化规律及崩塌破坏运动特征进行模拟分析,获得崩塌落石的运动轨迹、弹跳高度、冲击能量等。结果表明,赵家娅危岩在天然状况下稳定性较好,在连续降雨或暴雨条件下,裂隙水逐渐渗透,存在主控结构面失稳发生崩塌破坏的可能;危岩发生崩塌破坏后,大部分落石将停留在坡面上,少部分落石碰撞回弹后停止在坡脚公路;结合现场实际情况及RocFall模拟提出“清危+坡面平整+被动防护网”的治理措施。研究成果可为类似高位危岩崩塌灾害治理工程提供参考。

危岩崩塌  /  数值模拟  /  稳定性分析  /  运动特征  /  防治工程

Aiming at the collapse and failure of high dangerous rock in Zhaojiaya, Xingshan County, numerical simulation methods were used to simulate the stability, evolution law and movement characteristics of the regional dangerous rock mass, so as to obtain the movement track, bounce height and impact energy of the collapsed rock. The results show that the Zhaojiaya dangerous rock has good stability under natural conditions. Under continuous rainfall or rainstorm, the fissure water gradually permeates, and there is the possibility of collapse and failure of the main control structural plane. After the collapse and destruction of the dangerous rock, most of the fallen rock will stay on the slope, and a few of the fallen rock will stop on the road at the foot of the slope after the collision and rebound. Combined with the actual situation of the site and RocFall simulation, the governance measures of "danger clearing + slope leveling + passive protection net" were proposed. The research results can provide reference for similar disaster control projects of high dangerous rock collapse.

dangerous rock collapse  /  numerical simulation  /  stability analysis  /  motion characteristics  /  prevention and control engineering
杨岚峣, 易武, 黄晓虎, 李娜. 基于数值模拟的危岩崩塌特征及防治研究. 水电能源科学, 2023 , 41 (3) : 132 -135 . DOI: 10.20040/j.cnki.1000-7709.2023.20221911
Lan-yao YANG, Wu YI, Xiao-hu HUANG, Na LI. Research on Characteristics and Prevention of Dangerous Rock Collapse Based on Numerical Simulation[J]. Water Resources and Power, 2023 , 41 (3) : 132 -135 . DOI: 10.20040/j.cnki.1000-7709.2023.20221911
  • 国家自然科学基金联合基金项目(U21A2031-4)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20221911
  • 接收时间:2022-09-14
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-09-14
  • 修回日期:2022-10-18
基金
国家自然科学基金联合基金项目(U21A2031-4)
作者信息
    1.湖北长江三峡滑坡国家野外科学观测研究站,湖北 宜昌 443002
    2.三峡地区地质灾害与生态环境湖北省协同创新中心,湖北 宜昌 443002
    3.防灾减灾湖北省重点实验室(三峡大学),湖北 宜昌 443002
    4.河南科技职业大学,河南 周口 466000

通讯作者:

易武(1966-),男,博士、教授、博导,研究方向为滑坡机理及滑坡监测与预报,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20221911
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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