نتایج جستجو برای: cold weather concrete

تعداد نتایج: 221050  

2014
David P. Dehenauw Boon L. Cheong James M. Kurdzo Tian-You Yu

That was what we all were thinking in January 2014 in Belgium. Instead of having cold and cleaning up some snow, we were wearing short-sleeves and light jackets. Nature got confused. Very unusual...For the first time, no white Christmas 2013 in Gävle, Sweden. But, many states in the U.S. were freezing. Very exceptional...40 degrees Celsius in Monterey, California, in April 2014. The past year t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...

Journal: :جغرافیا و توسعه ناحیه ای 0
باباییان باباییان نجفی نجفی

because of low spatial resolution and simplifications in meteorological processes in global circulation models, they cannot sufficiently simulate the weather, comparing to the regional models; then, spatial and temporal downscaling of the gcm outputs are needed for decreasing errors of the global circulation models. there are two methods of downscaling: statistical and dynamic. weather generato...

Journal: :International journal of occupational safety and ergonomics : JOSE 2008
Tanja Risikko Jouko Remes Juhani Hassi

Cold is a typical environmental risk factor in outdoor work in northern regions. It should be taken into account in a company's occupational safety, health and quality systems. A development process for improving cold risk management at the Finnish Maritime Administration (FMA) was carried out by FMA and external experts. FMA was to implement it. Three years after the development phase, the out...

2017
Jacob E. Simmering Linnea A. Polgreen Douglas B. Hornick Daniel K. Sewell Philip M. Polgreen

Using the Nationwide Inpatient Sample and US weather data, we estimated the probability of community-acquired pneumonia (CAP) being diagnosed as Legionnaires' disease (LD). LD risk increases when weather is warm and humid. With warm weather, we found a dose-response relationship between relative humidity and the odds for LD. When the mean temperature was 60°-80°F with high humidity (>80.0%), th...

Journal: :JAMA: The Journal of the American Medical Association 1902

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