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Vinh Thi Hai Chu, Vinh Duc Bui and Tue Viet Nguyen
Ultra-High Performance Concrete (UHPC) improves the bearing capacity as well as the durability of structural concrete. This study aims to investigate the constituents of UHPC in both phases: aggregate and cementitious materials. The proper ratio of the m...
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Qiuchao Li, Yingfang Fan and Surendra P. Shah
Nanoparticles improve the mechanical properties and durability of cement-based materials. However, owing to the high surface energy and specific surface areas of nanoparticles, the packing characteristic of cementitious particles will be affected. With t...
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Viktor Bokov,Oleh Sisa,Volodymyr Mirzak,Olha Medvedieva
Pág. 60 - 72
A process has been developed to press fuel briquettes from autumn leaves. It has been shown that a spherical shape of a briquette is optimal since even dense packing of balls provides air access to each individual ball. This is especially important in th...
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Tetiana Kropyvnytska,Myroslav Sanytsky,Teresa Rucinska,Oksana Rykhlitska
Pág. 38 - 48
It has been shown that significant reduction of «carbon trace» in construction technology is achieved by production of clinker-effective concretes based on composite Portland cements. Studies have shown that uneven distribution of grain fractions of the ...
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Qipeng Lv, Mingliang Huang, Shaoqian Zhang, Songwen Deng, Faquan Gong, Feng Wang, Yanwei Pan, Gang Li and Yuqi Jin
Optical coatings deposited by the dual ion beam sputtering (DIBS) method usually show high compressive stress, which results in severe wavefront deformation of optical elements. Annealing post-treatment has been widely used to control the residual stress...
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