نتایج جستجو برای: cold weather concrete

تعداد نتایج: 221050  

Lightweight steel framing is a method in housing and construction that have been widely used in lightweight steel construction. In this method, the structure is built by cold formed steel elements. They are cost-effective, light, and easy to assemble. However, the performance of lateral load resisting systems in cold-formed steel structures specially the behavior of cold-formed steel shear wall...

Journal: :British journal of sports medicine 2012
John William Castellani Andrew John Young

Olympic athletes compete and train in diverse cold-weather environments, generally without adverse effects. However, the nature of some sports may increase the risk of cold injuries. This paper provides guidance to enable competition organisers and officials, coaches and athletes to avoid cold-weather injuries. This paper will (1) define potential cold-weather injuries during training and compe...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2001

Journal: :Transactions of the Architectural Institute of Japan 1963

2017
Kai Schneider Matthias Lieboldt Marco Liebscher Maik Fröhlich Simone Hempel Marko Butler Christof Schröfl Viktor Mechtcherine

Surfaces of carbon fibre roving were modified by means of a low temperature plasma treatment to improve their bonding with mineral fines; the latter serving as an inorganic fibre coating for the improved mechanical performance of carbon reinforcement in concrete matrices. Variation of the plasma conditions, such as gas composition and treatment time, was accomplished to establish polar groups o...

Background: The role of temperature changes, as an environmental risk factor, in the human health status has been investigated in recent studies. Accordingly, the present two-year study was conducted to evaluate the incidence of myocardial infarction (MI) in warm and cold seasons in Ali-ibn Abi Talib Hospital, Rafsanjan, Iran. Materials and Methods: In this descriptive and cross-sectional st...

2016
Jessie Fudge

CONTEXT Hypothermia and frostbite injuries occur in cold weather activities and sporting events. EVIDENCE ACQUISITION A PubMed search was used to identify original research and review articles related to cold, frostbite, and hypothermia. Inclusion was based on their relevance to prevention and treatment of cold-related injuries in sports and outdoor activities. Dates of review articles were l...

Journal: :Proceedings. Biological sciences 2013
Daihai He Jonathan Dushoff Raluca Eftimie David J D Earn

Understanding spatial patterns of influenza transmission is important for designing control measures. We investigate spatial patterns of laboratory-confirmed influenza A across Canada from October 1999 to August 2012. A statistical analysis (generalized linear model) of the seasonal epidemics in this time period establishes a clear spatio-temporal pattern, with influenza emerging earlier in wes...

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