Engineering And Technology Sciences ×

Showing 19 of 19 papers in Engineering And Technology Sciences

Characteristics of Weathered Deep Troughs under Coupled Igneous Intrusion in Karst Areas and Post-treatment Imprint

Yu Jiasong, Guo Guo, Wu Denghao
2025-09-02 ChinaXiv: chinaxiv-202509.00012

The dam site area of Zhangjiazhai Reservoir in Guizhou is affected by the coupling effect of karst and igneous rock intrusion, where multiple deep weathering troughs have developed, posing severe challenges to engineering construction. Through surface geological survey, pit and trench exploration, d…

Development Patterns of Road Geological Hazards and Post-Disaster Reconstruction Countermeasures in the Hailuogou Scenic Area at the Epicenter of the Luding Earthquake (Postprint)

Wu Kai, Xuebin Yi, Fu Xiaodong, Zhang Lei, Kang Jingyu, Yuan Quan, Shao Jiang
2025-08-20 ChinaXiv: chinaxiv-202508.00259 Mixed Source

The "9.5" Luding earthquake induced extensive coseismic geological hazards in the Hailuogou Scenic Area at the epicenter, with 50% of the scenic area roads located within the seismic intensity IX (9-degree) impact zone, resulting in severe road damage and complete loss of traffic capacity. To invest…

Quantitative Analysis of Steel Wire Rope Ring Nets for Large Rockfall Guidance Based on an Improved Equivalent Bar System Method (Postprint)

YIN Baoguo, Yin Yueping, Zhang Zhihua, Jin Yuntao, Zhang Chenyang, Wang Luqi, Wang Xuebing, Yi Zhiqiang
2025-08-20 ChinaXiv: chinaxiv-202508.00260

Efficient design of flexible rockfall guiding nets requires a clear understanding of how slope topography influences rockfall energy dissipation and system loads, a task often hindered by the computational cost of conventional models. To this end, this study first developed, calibrated, and validate…

GIN Grouting Method and Intelligent Grouting System: Research and Application Postprint

Guo Cong, Pike, Jiang Yongsheng
2025-08-20 ChinaXiv: chinaxiv-202508.00265 Mixed Source

This paper investigates the integrated application of the GIN grouting method and intelligent grouting system in rock mass grouting, using the Lesotho Polihali Dam project as a case study. To address the challenges of difficult control, low efficiency, and significant quality fluctuations associated…

Postprint: Mechanical Effects of Tunnel Excavation in Deep Soil-Rock Mixture Backfill Using Discrete-Continuous Coupling Method

Gao Yuhao, Yang Zhongping, Uterine fixation
2025-08-20 ChinaXiv: chinaxiv-202508.00268 Mixed Source

Deep strata of coarse-grained Soil-Rock Mixture (SRM) are widely distributed in southwestern China, posing a serious threat to construction and operational safety due to their loose structure, high porosity, and abundant rock blocks. Tunnel excavation in such deep-buried, fractured, and highly heter…

Postprint: Study on Landslide Deformation Mechanisms and Characteristics

Xu Qiang, Guo Pengyu
2025-08-20 ChinaXiv: chinaxiv-202508.00274 Mixed Source

The complex deformation behavior of landslides can be described by the three-stage deformation curve of geotechnical materials, providing an effective phenomenological tool for early warning and prediction. However, to date, the physical mechanism underlying the three-stage deformation of landslides…

Postprint: Application of an Improved Region Growing Algorithm for Rock Mass Discontinuity Identification

Jinsong Sima, Xu Qiang, Dong Xiujun, Deng Bo, He Qiulin, Li Haoliang, Liu Jie, Wenquan Lei
2025-08-20 ChinaXiv: chinaxiv-202508.00278 Mixed Source

Natural rock mass discontinuities exhibit unique mechanical properties that define weak zones within rock masses, playing a decisive role in the structure, strength, and stability of various rock engineering applications including tunnel support, surrounding rock classification, and slope reinforcem…

Early Identification and Monitoring of Landslide Hazards in Danba County Based on the "Three Checks" System (Post-Print)

Fu Hao, Li Weile, Lu Huiyan, Xu Qiang, Dong Xiujun, Guo Chen, Xie Yi, Wang Dong, Liu Gang, Ma Zhigang
2025-08-20 ChinaXiv: chinaxiv-202508.00280 Mixed Source

To address the challenge that traditional ground survey methods struggle to identify high-position concealed landslide hazards, the author's team proposed a "space-air-ground" collaborative "Three-Survey" system for landslide hazard identification and monitoring, which has been applied engineering-w…

Water Conservancy and Hydropower Deep Underground Engineering: Geological Environment, Surrounding Rock Failure, and Technical Challenges Postprint

Zhang Shishu, Zhao Xiaoping
2025-08-20 ChinaXiv: chinaxiv-202508.00289

Advancing into the deep Earth represents a strategic scientific and technological challenge that must be addressed, and the development of deep underground resources and space has emerged as a crucial direction for China's future scientific and technological advancement. As a significant clean energ…

Postprint: Protective Measures for Buildings Adjacent to Subway Stations

Ju Kang
2025-08-20 ChinaXiv: chinaxiv-202508.00292 Mixed Source

During subway construction, mitigating the impact of construction on the surrounding environment and protecting adjacent buildings and utilities has always been a critical focus of construction control. This paper presents a case study of a station on Shanghai Metro Line 15, where the adjacent hotel…

Post-Print Technical Summary on Small-Radius Secant Line Launching Alignment Correction Technology for Shield Machines

Qiu Tian
2025-08-20 ChinaXiv: chinaxiv-202508.00302 Mixed Source

Addressing the technical challenge of high-precision attitude control during the launch phase of small-radius shield tunnels, this paper, based on a specific case study, innovatively integrates quantitative analysis and mechanical mechanisms to systematically summarize seven deviation correction str…

Postprint: Airborne LiDAR Identification of Geological Hazards in Complex Mountainous Regions

Guo Chen, Xu Qiang, Dong Xiujun, Liu Xiaosha, She Jinxing
2025-08-20 ChinaXiv: chinaxiv-202508.00306 Mixed Source

Geological hazard identification serves as the foundation for disaster susceptibility assessment, monitoring, and early warning. Conventional manual ground surveys and satellite remote sensing encounter substantial difficulties in identifying geological hazards in high-vegetation-covered mountainous…

Applications of Aerial Remote Sensing in Geological Hazards: Current Status and Prospects (Postprint)

Dong Xiujun, Deng Bo, Yuan Feiyun, Fu Xia, Zhang Wenju, Yuanzhen Ju, Ren Xiaohu
2025-08-20 ChinaXiv: chinaxiv-202508.00307

Understanding the history and current status of geological hazards through advance geological surveys is of great significance for ultimately achieving identification and early warning of potential disasters. Currently, traditional manual ground survey methods struggle to detect and investigate majo…

Research on Tunnel Construction Technology for Surrounding Rock in Railway Engineering Projects Based on the Premise of Safety Production: Postprint

Wu Jianming
2025-08-04 ChinaXiv: chinaxiv-202508.00203

During railway engineering project construction, conducting tunnel construction in surrounding rock is prone to hazards such as rockfall and collapse, which may lead to safety and quality accidents. Therefore, this paper introduces safety risk assessment methods for surrounding rock tunnels in railw…

Domestic Smart Meter Demand Assessment

Zhang Chunhui, Zhang Zhen, Zhang Zhen
2024-02-23 ChinaXiv: chinaxiv-202402.00243

During the "13th Five-Year Plan" period, the State Grid smart meter market will undergo significant transformation, wherein demand for smart meters will decline substantially while demand for supporting equipment such as pluggable meter boxes will increase. Confronted with this market shift, traditi…

Controversies and Developments in Centralized Meter Reading for Electricity, Water, Gas, and Heat

Zhang Chunhui, Zhang Zhen, Zhang Zhen
2024-02-23 ChinaXiv: chinaxiv-202402.00249

The "Four-meter Centralized Collection" initiative rapidly gained momentum in August 2015 following a notice from the Marketing Department of State Grid. This notice promoted the unified collection of electricity, water, gas, and heat meter data, triggering widespread attention both within and outsi…