Article(id=1223193056795545741, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220610, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1648483200000, receivedDateStr=2022-03-29, revisedDate=1652976000000, revisedDateStr=2022-05-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561550568, onlineDateStr=2026-01-28, pubDate=1674576000000, pubDateStr=2023-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561550568, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561550568, creator=13701087609, updateTime=1769561550568, updator=13701087609, issue=Issue{id=1223193053830169317, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='1', 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=1769561549861, creator=13701087609, updateTime=1769567790701, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223219229885857794, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223219229885857795, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=137, endPage=141, ext={EN=ArticleExt(id=1223193057080758415, articleId=1223193056795545741, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Seepage Test Model of Rough Rock Fracture, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Analysis of rock fracture seepage plays an important role in evaluation of rock engineering safety. The three-dimensional coordinate points of the rock fracture surface were scanned by a three-dimensional structure optical scanner and visually reconstructed. Parameters such as joint roughness coefficient JRC and topography statistics were used to quantitatively describe the roughness and undulation characteristics of rock fractures. Through experimental research, it is found that when the seepage pressure gradient increases, the seepage in rock fractures will change from linear seepage to non-linear seepage, and the Forchheimer formula can better fit this process. The threshold and Reynolds number of the critical Darcy flow were obtained by introducing he nonlinear factor E. The relative loss of momentum-Euler number was introduced to study the law of fluid energy evolution in the process of fracture seepage. It is found that the Euler number shows a trend that first drops rapidly and then gradually stabilizes. The result has certain guiding significance for actual engineering.

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分析岩石裂隙渗流对评价岩体工程安全性有重要意义。通过三维结构光学扫描仪扫描岩石裂隙表面测得三维坐标点并可视化重构,采用节理粗糙度系数和形貌统计等参数定量描述岩石裂隙粗糙程度和起伏特征。试验研究发现,当增大渗透压力梯度时,岩石裂隙渗流将由线性渗流转变为非线性渗流,采用Forchheimer公式能较好拟合这一过程。引入非线性因子E,求得临界非线性流的阈值和雷诺数。引入动量相对损失量—欧拉数来描述裂隙渗流过程中的流体能量演化规律,发现欧拉数呈先急速下降后逐渐趋于稳定的趋势。研究成果对实际工程具有一定指导意义。

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高悦(1987-),女,讲师,研究方向为结构工程,E-mail:
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陈辉辉(1995-),男,助教,研究方向为岩石裂隙渗流,E-mail:

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陈辉辉(1995-),男,助教,研究方向为岩石裂隙渗流,E-mail:

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陈辉辉(1995-),男,助教,研究方向为岩石裂隙渗流,E-mail:

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岩石粗糙裂隙渗流试验模型研究
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陈辉辉 , 高悦 , 郭凤娟 , 王亚芹
水电能源科学 | 水利水电工程 2023,41(1): 137-141
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水电能源科学 | 水利水电工程 2023, 41(1): 137-141
岩石粗糙裂隙渗流试验模型研究
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陈辉辉 , 高悦 , 郭凤娟, 王亚芹
作者信息
  • 河北水利电力学院水利工程系,河北 沧州 061001
  • 陈辉辉(1995-),男,助教,研究方向为岩石裂隙渗流,E-mail:

通讯作者:

高悦(1987-),女,讲师,研究方向为结构工程,E-mail:
Research on Seepage Test Model of Rough Rock Fracture
Hui-hui CHEN , Yue GAO , Feng-juan GUO, Ya-qin WANG
Affiliations
  • Department of Hydraulic Engineering, Hebei University of Water Resources and Electric Engineering, Cangzhou 061001, China
出版时间: 2023-01-25 doi: 10.20040/j.cnki.1000-7709.2023.20220610
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分析岩石裂隙渗流对评价岩体工程安全性有重要意义。通过三维结构光学扫描仪扫描岩石裂隙表面测得三维坐标点并可视化重构,采用节理粗糙度系数和形貌统计等参数定量描述岩石裂隙粗糙程度和起伏特征。试验研究发现,当增大渗透压力梯度时,岩石裂隙渗流将由线性渗流转变为非线性渗流,采用Forchheimer公式能较好拟合这一过程。引入非线性因子E,求得临界非线性流的阈值和雷诺数。引入动量相对损失量—欧拉数来描述裂隙渗流过程中的流体能量演化规律,发现欧拉数呈先急速下降后逐渐趋于稳定的趋势。研究成果对实际工程具有一定指导意义。

裂隙渗流  /  三维形貌  /  非线性流  /  临界雷诺数  /  欧拉数

Analysis of rock fracture seepage plays an important role in evaluation of rock engineering safety. The three-dimensional coordinate points of the rock fracture surface were scanned by a three-dimensional structure optical scanner and visually reconstructed. Parameters such as joint roughness coefficient JRC and topography statistics were used to quantitatively describe the roughness and undulation characteristics of rock fractures. Through experimental research, it is found that when the seepage pressure gradient increases, the seepage in rock fractures will change from linear seepage to non-linear seepage, and the Forchheimer formula can better fit this process. The threshold and Reynolds number of the critical Darcy flow were obtained by introducing he nonlinear factor E. The relative loss of momentum-Euler number was introduced to study the law of fluid energy evolution in the process of fracture seepage. It is found that the Euler number shows a trend that first drops rapidly and then gradually stabilizes. The result has certain guiding significance for actual engineering.

fissure seepage  /  three-dimensional topography  /  non-Darcy flow  /  critical Reynolds number  /  Euler number
陈辉辉, 高悦, 郭凤娟, 王亚芹. 岩石粗糙裂隙渗流试验模型研究. 水电能源科学, 2023 , 41 (1) : 137 -141 . DOI: 10.20040/j.cnki.1000-7709.2023.20220610
Hui-hui CHEN, Yue GAO, Feng-juan GUO, Ya-qin WANG. Research on Seepage Test Model of Rough Rock Fracture[J]. Water Resources and Power, 2023 , 41 (1) : 137 -141 . DOI: 10.20040/j.cnki.1000-7709.2023.20220610
  • 河北省岩土工程安全与变形控制重点实验室、河北水利电力学院基本科研业务费项目(SYKY2014)
2023年第41卷第1期
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doi: 10.20040/j.cnki.1000-7709.2023.20220610
  • 接收时间:2022-03-29
  • 首发时间:2026-01-28
  • 出版时间:2023-01-25
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  • 收稿日期:2022-03-29
  • 修回日期:2022-05-20
基金
河北省岩土工程安全与变形控制重点实验室、河北水利电力学院基本科研业务费项目(SYKY2014)
作者信息
    河北水利电力学院水利工程系,河北 沧州 061001

通讯作者:

高悦(1987-),女,讲师,研究方向为结构工程,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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