14 Result(s)

Article

Burden Effects on Rock Fragmentation and Damage, and Stress Wave Attenuation in Cut Blasting of Large-Diameter Long-Hole Stopes

Cut blasting with single free surface is the first step of the large-diameter long-hole (LDL) mining method, which creates more relief space for subsequent blasting procedures. The minimum burden (W) is a critica...

Zongguo Zhang, **anyang Qiu, **uzhi Shi, Zhihua Luo… in Rock Mechanics and Rock Engineering (2023)

Article

Dam Health Diagnosis Model Based on Cumulative Distribution Function

Traditional methods for diagnosing dam health often rely on single point measurements, which require assumptions about the distributions of these measurements. These approaches fail to integrate multiple measu...

Zhenxiang Jiang, Bo Wu, Hui Chen in Water Resources Management (2023)

Article

Attenuation Characteristics of Blasting Stress Under Decoupled Cylindrical Charge

Decoupled cylindrical charge structure is widely used in contour blasting to reduce overbreak and control rock damage, which is critical to the safety and efficiency of rock excavation. The blasting effect str...

**aofeng Huo, **anyang Qiu, **uzhi Shi, Hui Chen… in Rock Mechanics and Rock Engineering (2023)

Article

Study on Supporting Technology of A Mining Roadway in Fault Fracture Zone with High Altitude

Accidents such as roof caving, water permeation, and instability of supporting structures often occur in the roadway in the fault fracture zone of the Beizhan iron mine after excavation because of the coupling...

Zhiyi Zhang, Hao Liu, Hui Chen, Shuaijie Tan… in Geotechnical and Geological Engineering (2023)

Article

Effects of Joint Roughness, Shear Rate, and Normal Stress on Shear Behavior and Acoustic Emission Characteristics in Two Parallel Coplanar Intermittently Jointed Rock: An Experimental Study

We conducted laboratory direct shear tests on two parallel coplanar intermittently jointed rock to investigate the effect of joint roughness and loading conditions on the shear behavior and acoustic emission c...

Yinge Zhu, Gang Wang, Anqi Li, Huiyuan Chen… in Rock Mechanics and Rock Engineering (2023)

Article

Normal Closure Behavior of Rock Fractures Considering Transition from Elastic Deformation to Fully Plastic Flow

Article

Influence of stress conditions on shear behavior of slip zone soil in ring shear test: an experimental study and numerical simulation

Slip zone soil is one of the most inherent factors affecting the stability of landslides. In engineering practice, the in situ slip zone soil layer may experience different stress histories and thus have diffe...

Huie Chen, Wenliang Ma, **aoqing Yuan, Cencen Niu, Bin Shi, Guili Tian in Natural Hazards (2022)

Article

Study on Representative Volume Elements Considering Inhomogeneity and Anisotropy of Rock Masses Characterised by Non-persistent Fractures

This study takes the rock masses in the dam foundation of a sluice gate of the Datengxia Hydropower Station in China as a case study to determine the geometrical and mechanical representative volume elements (...

Wenliang Ma, Huie Chen, Wen Zhang, Chun Tan… in Rock Mechanics and Rock Engineering (2021)

Article

Stability Control of the Equipment Recovery Passage in a Fully Mechanized Longwall Mining: Case Study

Equipment recovery passage (ERP) is being widely employed in longwall panel for the purpose of recovering heave mining equipment at the end of mining stage. The stability of the ERP, however, is always difficu...

Zhiyi Zhang, Hui Chen, Dongfa Li, Zhiqiang Zhang in Geotechnical and Geological Engineering (2021)

Article

Numerical Study on the Effectiveness of the Grouting Cable Bolt in Deep Retained Goaf Side Gateroad

Grouting cable bolt was employed to control the stability of the retaind goaf side gateraod (RGSG) in the Panyidong coalmine by considering severe stress disturbances and soft rock mechanics associated in deep...

Zhiyi Zhang, Weiming Guan, Hui Chen in Geotechnical and Geological Engineering (2020)

Article

Regional assessment on ecological risk of ecosystems under natural hazards: an application in Guangdong Province (SE China)

Ecological risk studies have progressed significantly in recent decades. Although not completely theoretical compared with traditional fields of science, the ecological risk assessment, at practical level, sho...

**lin Liu, Huizhu Chen in Natural Hazards (2020)

Article

Numerical Analysis of Air Leakage Characteristics of Coal Seam Goaf Close to Thin Band

This paper aims to research the air leakage of coal goaf near to thin band in Nantun Coal Mine. With using PFC3D numerical simulation software and establishing close distance coal seams mining numerical model,...

Mingguang Zhang, Peipeng Zhang, Rui Wang… in Geotechnical and Geological Engineering (2018)

Article

Effects of drought and flood on crop production in China across 1949–2015: spatial heterogeneity analysis with Bayesian hierarchical modeling

China is an agricultural country with the largest population in the world. However, intensification of droughts and floods has substantial impacts on agricultural production. For effective agricultural disaste...

Huili Chen, Zhongyao Liang, Yong Liu, Qingsong Jiang, Shuguang **e in Natural Hazards (2018)