Search Results - "Li, Jianchun"

Propagation characteristics and prediction of blast-induced vibration on closely spaced rock tunnels by Wang, Xiao, Li, Jianchun, Zhao, Xiaobao, Liang, Yue

“…•Analysis for blasting vibration propagation on closely spaced rock tunnels.•PPV on closely spaced rock tunnels is predicted by empirical…”
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Study on dynamic shear deformation behaviors and test methodology of sawtooth-shaped rock joints under impact load by Li, Jianchun, Yuan, Wei, Li, Haibo, Zou, Chunjiang

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Negative stiffness devices for vibration isolation applications: A review by Li, Huan, Li, Yancheng, Li, Jianchun

“…In recent years, negative stiffness vibration isolation device with nonlinear characteristic has become an emerging research area and attracted a significant…”
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Theoretical damage characterisation and damage evolution process of intact rocks based on linear energy dissipation law under uniaxial compression by Gong, Fengqiang, Zhang, Peilei, Luo, Song, Li, Jianchun, Huang, Da

“…The investigation of rock damage behaviour is an important requirement for ensuring stability control and safety prediction in rock engineering. In this study,…”
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Study on the effect of micro-geometric heterogeneity on mechanical properties of brittle rock using a grain-based discrete element method coupling with the cohesive zone model by Pan, Cheng, Li, Xing, He, Lei, Li, Jianchun

“…The micro-geometric heterogeneity has a significant effect on the mechanical behavior and failure mode of brittle rocks. To study the influence of the size…”
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3D spatial fracture behavior of sandstone containing a surface flaw under uniaxial compression by Han, Zhenyu, Li, Jianchun, Li, Diyuan, Zhao, Jian

“…Surface defects are prevalent in natural rock masses, and the newborn cracks that initiate from these defects and significantly affect structural stability…”
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Experimental study on dynamic mechanical and failure behavior of a jointed rock mass by Xie, Xiaokun, Li, Jianchun, Zheng, Yanlong

“…In order to study the dynamic mechanics and failure behavior of jointed rock masses, impact tests were carried out on sandstone specimens with intersected…”
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Quantitative assessments of the correlations between rock mass rating (RMR) and geological strength index (GSI) by Zhang, Qi, Huang, Xianbin, Zhu, Hehua, Li, Jianchun

“…Among various engineering classification systems, RMR and GSI are two of the most widely used rock mass classification systems. Correlation between RMR and GSI…”
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Fracture surface morphology of brittle geomaterials influenced by loading rate and grain size by Ju, Minghe, Li, Jianchun, Li, Xiaofeng, Zhao, Jian

“…•Rate-dependent crack deflection and penetration are theoretically and experimentally investigated.•An experiment integrating the micro and macro fracture of…”
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A novel deep learning-based method for damage identification of smart building structures by Yu, Yang, Wang, Chaoyue, Gu, Xiaoyu, Li, Jianchun

“…In the past few years, intelligent structural damage identification algorithms based on machine learning techniques have been developed and obtained…”
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Dynamic photoelastic experimental study on the influence of joint surface geometrical property on wave propagation and stress disturbance by Wang, Siwei, Li, Jianchun, Li, Xing, He, Lei

“…Rock joints significantly affect the dynamic response of rock masses and the stability of underground structures. In this study, the dynamic photoelastic test…”
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Dynamic cracking process of rock interpreted by localized strain-rate, rate-dependent strength field and transition strain-rate by Zou, Chunjiang, Li, Jianchun, Liu, Kai, Zhao, Xiaobao

“…The cracking mode of rock under dynamic loadings is significantly different from that under quasi-static loadings. One of the underlying mechanisms is the…”
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Strain rate and size effects on the brittleness indexes of Carrara marble by Zou, Chunjiang, Cheng, Yi, Li, Jianchun

“…The determination of rock brittleness is crucial in analyzing excavation efficiency, deep mining stability, geological hazards, while nearly all the previous…”
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The influence of morphology and the loading-unloading process on discontinuity stress states observed via photoelastic technique and its inspiration to induced seismicity by Wang, Dapeng, Li, Jianchun, Zou, Chunjiang, Wang, Zhijie, Zhao, Jian

“…Stress change in rock mass caused by human activities has the potential to cause the sliding and destruction of faults and joints, resulting in induced…”
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Excavation rate “predicting while tunnelling” for double shield TBMs in moderate strength poor to good quality rocks by Mu, Baogang, Yang, Wenkun, Zheng, Yanlong, Li, Jianchun

“…This article presents a case study on adopting the method of “predicting while tunnelling” on a rock tunnel project in Shenzhen China. It is applied to the…”
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Dynamic viscoelastic model for rock joints under compressive loading by Yan, Yatao, Li, Jianchun, Li, Xing

“…The mechanical properties of rock masses are significantly affected by the deformated behaviors of discontinuities, such as joints and faults. Rock masses in…”
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Cost-effectiveness of edaravone dexborneol versus dl-3-n-butylphthalide for the treatment of acute ischemic stroke: a Chinese health care perspective by Li, Jianchun, Cao, Weihan, Zhao, Fei, Jin, Pengfei

“…Edaravone dexborneol and dl-3-n-butylphthalide are two innovative brain cytoprotective drugs from China that have been approved and widely prescribed for acute…”
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Permeability prediction for porous sandstone using digital twin modeling technology and Lattice Boltzmann method by Xiao, Huaiguang, He, Lei, Li, Jianchun, Zou, Chunjiang, Shao, Chengmeng

“…The permeability of porous rock is a crucial indicator evaluating its ability to allow liquids to pass through it. However, challenges are always encountered…”
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Experimental study of semi-active magnetorheological elastomer base isolation system using optimal neuro fuzzy logic control by Gu, Xiaoyu, Yu, Yang, Li, Yancheng, Li, Jianchun, Askari, Mohsen, Samali, Bijan

“…•Propose the concept of smart base isolation system with adaptive base isolators.•Experimentally investigate the seismic performance of the smart base…”
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Seismic response of underground structure–soil–aboveground structure coupling system: Current status and future prospects by Liu, Bo, Zhang, Dingwen, Li, Xing, Li, Jianchun

“…•Seismic response analysis methods of coupling system are reviewed.•Seismic response characteristics of coupling system are summarized.•Interaction mechanisms…”
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