Engineering Engineering And Technical Sciences ×

Showing 23 of 73 papers in Engineering And Technical Sciences

Field Experimental Study on Vertical Bearing Performance of Bored Cast-in-Place Piles in Deep Sandy Soil Areas (Postprint)

Huo Erlun, Yao Zhigang
2025-08-04 ChinaXiv: chinaxiv-202508.00202

To investigate the vertical bearing performance of bored piles in deep sand areas, this paper presents a field static load test conducted for a project in Wuhan, elaborates on the advantages of bored piles, and comparatively studies the test results of single pile vertical ultimate bearing capacity …

Experimental Study on Dynamic Characteristics of Red Mud Tailings in Reservoirs (Post-Print)

Jiang Hu, Wang Meng, Chen Pu, Liu Weiwei
2025-08-04 ChinaXiv: chinaxiv-202508.00177 Mixed Source

This study investigates red mud tailings material, employing GCTS cyclic triaxial apparatus to conduct dynamic triaxial tests on red mud, examining its dynamic deformation and strength characteristics under varying consolidation confining pressures and consolidation ratios. Results indicate that wit…

Shield Tunneling Advance Control Technology for Close-Proximity Underpassing of Existing Lines in Soft Ground Postprint

Yan Fang
2025-08-04 ChinaXiv: chinaxiv-202508.00179 Mixed Source

Based on the close undercrossing of the existing Line 3 by the Jiucheng ventilation shaft—Chengxin Avenue station section of Nanjing Metro Line 5 TA01 bid, this paper introduces a series of targeted measures implemented during shield tunneling through soft strata under the condition of poor deformat…

Postprint: Seismic Stability Analysis of a Tailings Pond

Wang Meng
2025-08-04 ChinaXiv: chinaxiv-202508.00213 Mixed Source

Tailings dams constitute major hazard sources for metal and non-metal mines, and red mud represents a strongly alkaline tailing discharged during alumina extraction processes. In recent years, the number of tailings dams has been continuously increasing, with earthquakes serving as critical factors …

A Study on the Evolution of Reconfigurable Chip Technology

Zhang Zhen, Zhang Zhen
2025-07-15 ChinaXiv: chinaxiv-202507.00322

This paper comprehensively surveys the evolutionary trajectory, technical principles, market applications, development trends, and challenges confronting reconfigurable chip technology. With the rapid advancement of information technology, emerging technologies have imposed increasingly stringent de…

Research on the Evolution of Smart Electricity Meter Technology

Zhang Chunhui, Zhang Zhen, Zhang Zhen
2024-02-23 ChinaXiv: chinaxiv-202402.00242

Smart electricity meters are not merely devices for measuring electricity consumption; they have become core components of the smart grid, enabling efficient monitoring, forecasting, and management of electricity usage. After gaining an in-depth understanding of the evolutionary process of smart ele…

Research on the Electricity Meter Testing Industry Based on Smart Grid Demonstration Project Design Concepts

Zhang Zhen
2024-02-23 ChinaXiv: chinaxiv-202402.00244

This passage primarily describes the transformation of State Grid's investment strategy regarding smart meters and distribution networks, along with its implications for the metering industry. State Grid has shifted its investment priority from smart meters to new-generation smart substation demonst…

Research on Integration Technology of Intelligent Control Systems for Power Grid Measurement Devices

Zhang Zhen, Zhang Zhen
2024-02-23 ChinaXiv: chinaxiv-202402.00245

A preliminary exploration of grid measurement equipment, intelligent control systems, and the development direction of smart meters in China. The article first reviews the origin and development of smart grids, including their definition, concepts, and construction approaches. It then explores the t…

State Grid Corporation of China and General Electric (GE): Review of Technical Negotiations for the Smart Electricity Meter Joint Venture Project

Chunhui Zhang, Zhen Zhang, Zhen Zhang
2024-02-19 ChinaXiv: chinaxiv-202402.00197

This paper introduces the initial objectives of the GE smart meter joint venture jointly launched by State Grid Corporation, General Electric (GE), Luneng Group, and China Electric Power Research Institute, encompassing the joint venture parties, strategy, objectives, and project progress. Additiona…

Research on Intelligent Terminals Extending from Measurement Technology to Intelligent Control Compensation Technology

Zhang Zhen, Zhen Zhang
2024-02-19 ChinaXiv: chinaxiv-202402.00199

Intelligent terminals, building upon measurement technology, have already expanded into research on intelligent control and compensation technologies. The development and application of this technology hold significant importance for improving the efficiency and stability of power systems. First, me…

Large-area electronics enabled high resolution digital microfluidics for single cell manipulations

Siyi HU, Jingmin YE, Subao SHI, Kai JIN, Dongping WANG, Hanbin MA, Hanbin MA
2022-04-17 ChinaXiv: chinaxiv-202204.00129

Thin-film semiconductor devices as switching elements represent an ideal match for electrode-array-based digital microfluidics. With the support of large-area electronics technology, high-resolution digital droplets (diameter around 100 μm) containing single cells can be generated by pre-programmabl…