نتایج جستجو برای: attenuation coefficient concrete

تعداد نتایج: 290873  

2012
Y. Kim K. S. Arsava

This paper presents the application of smart control technology to reinforced concrete systems for high impact force attenuation. The smart reinforced control system is developed through the integration of reinforced concrete beams, smart control devices, sensors, and signal processors. Various combinations of input and output signals are applied to the smart reinforced concrete beams: impact f...

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: :Physical review letters 2003
C Q Tran C T Chantler Z Barnea

We compare new experimental x-ray total mass attenuation coefficients of silicon obtained with the x-ray extended-range technique (XERT) from 5 to 20 keV with theoretical calculations and earlier experimental measurements over a 5 to 50 keV energy range. The accuracy of between 0.27% and 0.5% of the XERT data allows us to probe alternate atomic and solid state wave function calculations and to ...

Journal: :Frontiers in Earth Science 2023

The temperature in the southwest Castel highland area is relatively low, and asphalt concrete on road surface a low-temperature state all year round. Strong ultraviolet radiation will interfere with material cause it to fracture damage. This paper uses bending test thermal stress constrained specimen (TSRST) performance of mixtures different gradation types under (UV) aging conditions. Existing...

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