EXCAVATION

作品数：306被引量：902H指数：14
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相关领域：历史地理更多>>
相关作者：雷少刚刘振国卞正富郭青林戚蓝更多>>
相关机构：上海隧道工程股份有限公司中国矿业大学敦煌研究院中南大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家科技支撑计划更多>>
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A deep transfer learning model for the deformation of braced excavations with limited monitoring data
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1555-1568,共14页Yuanqin Tao Shaoxiang Zeng Tiantian Ying Honglei Sun Sunjuexu Pan Yuanqiang Cai 
supported by the National Key Research and Development Program of China(Grant No.2023YFC3009400);the National Natural Science Foundation of China(Grant Nos.42307218 and U2239251).
The current deep learning models for braced excavation cannot predict deformation from the beginning of excavation due to the need for a substantial corpus of sufficient historical data for training purposes.To addres...
关键词：Braced excavation Wall deflections Transfer learning Deep learning Finite element simulation 
An Improved Local RBF Collocation Method for 3D Excavation Deformation Based on Direct Method and Mapping Technique
《Computer Modeling in Engineering & Sciences》2025年第2期2147-2172,共26页Cheng Deng Hui Zheng Liangyong Gong Rongping Zhang Mengqi Wang 
supported by grants from the National Natural Science Foundation of China(Nos.12172159 and 12362019).
Since the plasticity of soil and the irregular shape of the excavation,the efficiency and stability of the traditional local radial basis function(RBF)collocation method(LRBFCM)are inadequate for analyzing three-dimen...
关键词：Radial basis function collocation method irregular shape EXCAVATION elastic-plasticity 
Microwave irradiation-induced deterioration of rock mechanical properties and implications for mechanized hard rock excavation
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期275-290,共16页Zheng Yang Ming Tao Muhammad Burhan Memon Dengdeng Zhuang Yan Zhao 
the financial support provided by the National Natural Science Foundation of China(Grant No.52274105);the China Scholarship Council(Grant No.202306370184)。
In this study,a novel microwave-water cooling-assisted mechanical rock breakage method was proposed to address the issues of severe tool wear at elevated temperatures,poor rock microwave absorption,and excessive micro...
关键词：Hard rock breakage Microwave irradiation Water cooling Acoustic testing Fractal dimension Instantaneous cutting rate 
Characterizing large deformation of soft rock tunnel using microseismic monitoring and numerical simulation被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期309-322,共14页Yuepeng Sun Nuwen Xu Peiwei Xiao Zhiqiang Sun Huailiang Li Jun Liu Biao Li 
the funding support from the National Natural Science Foundation of China(Grant Nos.U23A2060,42177143 and 42277461).
Surrounding rock deterioration and large deformation have always been a significant difficulty in designing and constructing tunnels in soft rock.The key lies in real-time perception and quantitative assessment of the...
关键词：Soft rock tunnel MS monitoring Progressive failure characteristic Excavation damage zone Failure mechanism 
Fatigue characteristics of deep excavation-disturbed jinping marble
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期341-356,共16页Anlin Zhang Ru Zhang Ting Ai Li Ren Zetian Zhang Jing Xie Chendi Lou Kun Xiao Zeqian Yang 
funded by the National Natural Science Foundation of China(Grant No.U23B20146);the Natural Science Foundation of Sichuan Province,China(Grant Nos.2024NSFSC0825 and 2022NSFSC0406);We are also grateful for the support provided by the China Scholarship Council(CSC).
Deep rocks encountered in underground engineering are frequently in complex in situ environments and experience both excavation disturbance during construction and cyclic loading throughout the long-term operation. Un...
关键词：Excavation-disturbed rock In situ environment Fatigue behavior Damage model 
The influence of the disturbing effect of roadways through faults on the faults' stability and slip characteristics
《Deep Underground Science and Engineering》2024年第4期399-412,共14页Shuaifeng Lu Andrew Chan Xiaolin Wang Shanyong Wang Zhijun Wan Jingyi Cheng 
Australian Research Council,Grant/Award Number:DP210100437;National Natural Science Foundation of China,Grant/Award Number:52274102;Graduate Research and Innovation Projects of Jiangsu Province,Grant/Award Number:KYCX21_2335。
In order to mitigate the risk of geological disasters induced by fault activation when roadways intersect reverse faults in coal mining,this paper uses a combination of mechanical models with PFC2D software.A mechanic...
关键词：excavation speed fault stability loading and unloading test roadway crossing faults 
Adaptive neural network tracking control for unmanned electric shovel intelligent excavation system
《Frontiers of Mechanical Engineering》2024年第6期139-154,共16页Kaiyan LIAN Zhengguo HU Xiuhua LONG Yaodong ZHANG Wenda XIE Xueguan SONG 
supported by the Major Science and Technology Project of Shanxi Province,China(Grant No.20191101014);the National Natural Science Foundation of China(Grant No.52075068).
This study proposes an adaptive control strategy for unmanned mining shovel digging trajectory tracking based on radial basis function neural network(RBFNN)and a class of unmanned mining shovel time-varying systems wi...
关键词：adaptive control RBFNN unmanned electric shovel trajectory tracking 
Study on Excavation of Ideological and Political Elements in Field Practice of Zoology and Botany
《Agricultural Biotechnology》2024年第6期102-106,111,共6页Yong HE Xiaolong DU Wei LI Shaobin LI Zhihong TIAN 
Supported by Teaching and Research Project of Yangtze University(JY2022047).
Since the 18 th National Congress of the Communist Party of China,General Secretary Xi Jinping has emphasized that universities should address fundamental issues such as what kind of people does education cultivate.A ...
关键词：Field practice of zoology and botany Curriculum ideological and political education Undergraduate professional teaching Ideological and political element Comprehensive quality improvement 
Disc-cutter induced rock breakage mechanism for TBM excavation in rock masses with different joint shear strengths
《Underground Space》2024年第6期119-137,共19页Bolong Liu Bo Li Liang Zhang Rui Huang Huicai Gao Shilin Luo Tao Wang 
The financial support from the National Natural Science Foundation of China(Grant Nos.41831290,41907167 and 51708354);Natural Science Foundation of Zhejiang Province(Grant No.LTGS23E040001);Natural Science Foundation of Hunan Province(Grant No.2022JJ40521)is greatly appreciated.
When tunnel boring machines(TBMs)excavate through jointed rock masses,the cutting efficiency is strongly affected by the shear strength of joints,the mechanism of which,however,remains poorly understood.In this study,...
关键词：Indentation test Joint shear strength Disc cutter Rock breakage mechanism Cutting efficiency 
Performance of a deep top-down zoned pit-in-pit excavation close to existing metro lines through winter
《Frontiers of Structural and Civil Engineering》2024年第11期1680-1697,共18页Wenxin CAO Pengjiao JIA Pengpeng NI Wen ZHAO Cheng CHENG Fei WANG 
National Natural Science Foundation of China(Grant No.52108380);Natural Science Foundation of Jiangsu Province of China(No.BK20210721);Natural Science Foundation of Jiangsu Province of China(No.BK20230500).
Though a comprehensive in situ measurement project,the performance of a deep pit-in-pit excavation constructed by the top-down method in seasonal frozen soil area in Shenyang was extensively examined.The measured exca...
关键词：deep excavation metro line ground surface settlement DEFORMATION seasonal frozen soil 
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