Results 61 to 70 of about 47,571 (265)
Effect of Welding Residual Stress on Along-Wind Fatigue Life of Welded Joints in Guyed Mast
Shock and Vibration, 2020 On the premise of only considering along-wind effect on guyed mast, the influence of welding residual stress on the fatigue life of welded joints is evaluated in this paper.
Weilian Qu, Min Wang, Qiang Zhou
doaj +1 more source
A New Roadway Eventual Obstacle Detection System Based on Computer Vision
Sensors, 2020 A new roadway eventual obstacle detection system based on computer vision is described and evaluated. This system uses low-cost hardware and open-source software to detect and classify moving elements in roads using infra-red and colour video images as ...
Mariano Gonzalez-de-Soto +3 more
doaj +1 more source
Energy Science &Engineering, EarlyView.This study addresses hard roof coal seam conditions by optimizing key stratum blasting‐cutting parameters through theoretical analysis, numerical simulation, and field tests. It proposes calculation methods for blast hole spacing and delay timing based on stress wave theory, controlling roadway deformation within 35 mm, thereby enhancing resource ...
Qiong Liu, Duanxiang Fu, Hongbin Li
wiley +1 more source
Biodegradation of roadway particles
Emissions of tire wear particles represent a major source of xenobiotics that can reach various environmental compartments. These particles have a complex, heterogeneous composition and are mixed with other particles derived from road traffic or other sources (industrial, residential, biogenic...), resulting in a cocktail of several organic and ...
Calarnou, L. +7 more
openaire +2 more sources
Energy Science &Engineering, EarlyView.As the sublevel height increases, the top‐coal recovery amount gradually increases, but both the top‐coal recovery rate and the thickened top‐coal recovery rate show a downward trend, and the decline in the top‐coal recovery rate is gradually increasing. The comparison indicates that the optimal sublevel height is 20 m.
Hongsheng Tu +4 more
wiley +1 more source
Roadway Safety Institute: Human-Centered Solutions to Advance Roadway Safety 2013-2015
, 2016 This biennial report highlights research, education, and technology transfer activities by RSI from 2013 to 2015 and includes a summary of research projects.Roadway Safety Institute. (2016).
Roadway Safety Institute
core
Roadway bending forming principle.
, 2023 Underground roadway excavation is a complex process, especially roadway curved excavation. In addition, the rationality of the design of coal mine roadway excavation scheme directly affects the speed of roadway excavation.
Zhixiang LIU (16632043) +2 more
core +1 more source
Energy Science &Engineering, EarlyView.This study on close coal seams shows that multi‐seam mining increases the height of the fractured zone from approximately 26 m (single upper‐seam mining) to about 49 m. When the lower seam is mined after the extraction of the upper seam, the heights of both the caved zone and the fractured zone increase by approximately two times.
Xiaoyu Wu +4 more
wiley +1 more source
InfrastructuresIn the process of driving in an underground interchange, drivers are faced with many challenges, such as being in a closed space, visual changes alternating between light and dark conditions, complex road conditions in the confluence section, and dense ...
Zhen Liu +3 more
doaj +1 more source
Roadway Safety Institute: Summary Report 2013-2019
, 2019 This summary report highlights Roadway Safety Institute (RSI) research, education, and technology transfer activities from 2013 to 2019 and includes a summary of research projects.
Roadway Safety Institute
core