نتایج جستجو برای: cold weather concrete
تعداد نتایج: 221050 فیلتر نتایج به سال:
Reinforced concrete (RC) structures are subject to environmental actions affecting their performance, serviceability and safety. Among these actions, chloride ingress leads to corrosion and has been recognized as a critical factor reducing the service life of RC structures. This paper presents a stochastic approach to study the influence of weather conditions and global warming on chloride ingr...
MORE INFO? Enter #4022 on Reader Reply Card MORE INFO? Enter #4023 on Reader Reply Card Sensing the winds and weather has been important to man over the centuries. Athenians built the eightsided Tower of the Winds in the first century B.C. in honour of the eight gods of the winds. The Tower of the Winds stands to this day in the ancient agora, or market, in Athens. Many significant weather even...
Norwalk-like viruses (NLVs) are the most common cause of acute nonbacterial gastroenteritis in adults, but little is known about their seasonality. The lack of specific diagnostic tools impeded study of these viruses in the past, and surveys using electron microscopy often grouped NLVs with other unrelated viruses. A search of the scientific literature found eight surveys of gastroenteritis, wh...
1. You are in the middle of a three month deployment to Norway, undergoing Arctic training with your unit. While on a 3-day exercise, a 24-year-old corporal presents to you with numb index and middle fingers on his right hand, having been fiddling for over twenty minutes with a frozen ski binding. His index and middle fingers look waxy over the area of the finger pulp and although feel hard sup...
This study quantifies the effects of stressful weather and elevated air pollution levels on cause-specific mortality in Santiago, Chile, during the austral winters from 1988 to 1996. A temporal synoptic index (TSI) is used to form weather classes and air pollution classes. Prior applications of the TSI have formed classes solely on the basis of weather and may have systematically underestimated...
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