نتایج جستجو برای: construction material
تعداد نتایج: 562165 فیلتر نتایج به سال:
مطالعه تحلیلی علایم اسکلتی-عضلانی، ویژگی های دموگرافیک و بارکاری فیزیکی در میان کارگران ساختمان سازی
Introduction: Physical workload is one of the main risk factors in developing of musculoskeletal disorders in construction workers. The current study was carried out to determine the prevalence of musculoskeletal disorders and its relationship with demographic characteristics and physical work load index (PWLI)in construction workers. Material and Methods: This investigation was a descriptiv...
Building industry as one of the greatest industries in Iran comprises a significant share of waste generation in the country. Since a large quantity of the generated construction waste is buried due to the lack of a recycling protocol, it leads to an undesired waste of resources and causes severe environmental issues. This paper provides a study on the problem of material loss/construction wast...
Due to the complex and dynamic nature of the construction industry, construction material management faces many unique challenges from material planning, ordering, receiving and storing, handling and distribution, site usage and monitoring (Johnston and Brennan 1996). Poor material management has been identified as a major source for low construction productivity, cost overrun and delay (Fearon...
The mining industry manages large volumes of tailings, sludge, and residues that represent a huge environmental issue. This fact has prompted research into valorization these wastes as alternative aggregates for concrete production, embankments, pavement material, etc. use resource construction presents two benefits: conserving natural resources reducing the impacts mining. In case road constru...
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