Results 31 to 40 of about 2,908,449 (159)
Coherent structures and bubble-particle velocity in 2-D fluidized beds [PDF]
, 2008 This work presents an experimental study to characterize ascending bubbles and granular velocity in the dense phase of a 2-D fluidized bed. Three different non-intrusive techniques based on images obtained with a high speed camera are developed, and ...
Soria Verdugo, Antonio +4 more
core +1 more source
Predictive Modelling for Blasting-Induced Vibrations from Open-Pit Excavations
Applied Sciences, 2021 Reliable estimates of peak particle velocity (PPV) from blasting-induced vibrations at a construction site play a crucial role in minimizing damage to nearby structures and maximizing blasting efficiency.
Yo-Hyun Choi, Sean Seungwon Lee
doaj +1 more source
Case Studies in Thermal Engineering, 2021 The rapid development of the city has brought the traffic serious problems, the subway construction greatly alleviates the heavy traffic. Due to the limitation of geology and mechanical equipment, mining method is often used in subway construction ...
Ziyuan Li
doaj +1 more source
Shock and Vibration, 2020 To ensure the safe and efficient excavation of ultradeep foundation pits in a complex urban environment, the ultradeep foundation pit excavation project of Liuguangmen Urban Complex in Guiyang City was taken as the study point. A high-efficiency blasting
Zhen Lei +4 more
doaj +1 more source
Applied Sciences, 2020 Peak particle velocity (PPV) is a critical parameter for the evaluation of the impact of blasting operations on nearby structures and buildings. Accurate estimation of the amount of PPV resulting from a blasting operation and its comparison with the ...
Amir Mahdiyar +5 more
doaj +1 more source
Studying Peak Particle Velocity Due to Blast in Development Tunnels’ Face in Coal Stoping [PDF]
International Journal of Mining and Geo-Engineering, 2018 The impact of blast-driven shocks on the safety and stability of the underground coal mines has been well established. The seismic imperfections resulting from blasting depend on the total explosive energy released during blasting and the closeness of ...
Ahmad Abolghasemifar +3 more
doaj +1 more source
Safety Assessment of the Cover-and-Cut Method Under Blasting Vibration Induced by Tunnel Excavation
Applied SciencesIn evaluating the construction safety of the building in the subway tunnel using the cover-and-cut method, the main objective is to analyze the diaphragm wall, the central pillar, and the roof.
Yunhao Che, Enan Chi
doaj +1 more source
Correlation Of Peak Particle Velocity During Blasting And Particle Size Distribution [PDF]
, 2017 Fragmentation control of blasted rock can be regulated through a number of parameters, but governing factor through estimated peak particle velocity by vibration monitoring are somewhat overlooked as a significant parameter in blasting outcome.
Aziz, Muhammad Syamim Che
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Applied Sciences, 2020 In mining and civil engineering applications, a reliable and proper analysis of ground vibration due to quarry blasting is an extremely important task. While advances in machine learning led to numerous powerful regression models, the usefulness of these
Hong Zhang +5 more
doaj +1 more source
Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook
Advanced Materials, EarlyView.Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain +5 more
wiley +1 more source