نتایج جستجو برای: quarry dust
تعداد نتایج: 43243 فیلتر نتایج به سال:
The infrastructure demands for mega cities, urbanization and environmental concerns are pushing smart sustainable solutions. Structural lightweight concrete is gaining popularity in the industry because of its intrinsic properties resisting load being lighter weight. Therefore, this study, a green structural was targeted by fabricating plastic-based aggregate incorporating different industrial ...
Background and aim: the workers in Quarry and Stone Industries done frequently some duties including lifting and carrying of heavy loads and they are exposed to high risk of cumulative trauma disorders. The aim of this study was to comparing the prevalence of musculoskeletal disorders and risk of work postures in Quarry and Stone Industries workers. Material and methods: this cross-sectional a...
Rapid economic growth of countries requires continued expansion the road network, which a huge volume natural resources. Broken stones coarse and finer sizes cause depletion On Other hand, disposal industrial waste is great challenge. Hence, this research, conventional filler (quarry dust) completely replaced by copper slag glass fibre included in asphalt mix varying from 0.1% to 0.4% with na i...
Geopolymer concrete, also known as an earth-friendly has been under continuous study due to its environmental benefits and a sustainable alternative conventional concrete construction. The supplies of many source materials, such fly ash (FA) or slag (SG), produce geopolymer (GPC) may be limited; however, quarry rock dust (QRD) wastes (limestone, dolomite, silica powders) formed by crushing rock...
This paper describes the basic control, navigation, and mapping methods and experiments a hovering autonomous underwater vehicle (AUV) designed to explore flooded cenotes in Mexico as part of the DEPTHX project. We describe the low level control system of the vehicle, and present a dead reckoning navigation filter that compensates for frequent Doppler velocity log (DVL) dropouts. Sonar data col...
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