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Xuan Liu, Tao Jiang, Chenglong Li, Mingyu Wan, Wenzhu Xuan and Xingfu Wang
This research used fly ash and slag to create geopolymer foam concrete. They were activated with an alkali, resulting in a chemical reaction that produced a gel that strengthened the concrete?s structural integrity. The experimental approach involved var...
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Nadezhda Petkova, Ani Petrova, Ivan Ivanov, Ivanka Hambarlyiska, Yulian Tumbarski, Ivayla Dincheva, Manol Ognyanov and Petko Denev
This research aimed to reveal the chemical composition of different fractions obtained by sequential extraction of purple coneflower (Echinacea purpurea) roots and to evaluate the antimicrobial activity of some of them. Hexane, chloroform, ethyl acetate,...
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Md. Habibur Rahman Sobuz, Ayan Saha, Jannatul Ferdous Anamika, Moustafa Houda, Marc Azab, Abu Sayed Mohammad Akid and Md. Jewel Rana
This research work is devoted to the experimental investigation of both rheological and mechanical properties of self-compacting concrete (SCC) produced with waste galvanized copper wire fiber and rice husk ash (RHA). In the study, three different volume...
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Kareem S. Ghareeb, Hossam E. Ahmed, Tamer H. El-Affandy, Ahmed F. Deifalla and Taha A. El-Sayed
In recent years, UHP self-compacted concrete is an innovative category of concrete that has attached a lot of attention because of its higher durability and compressive strength than conventional concrete. So, to overcome the cost of preparation of UHPC ...
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Rui Ma, Xun Hu, Huiying Hu, Ziyang Tian, Lei Chen and Jinyu Zong
The ultra-high-performance fiber-reinforced cementitious composite (UHPFRC) is a new generation of building material with extremely high mechanical strength and durability, which can be used for ultra-high, thin-wall or long-span construction, that prolo...
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Mariana Ferreira, Carla M. Lopes, Hugo Gonçalves, João F. Pinto and José Catita
Individualised medicine demands the formulation of pharmacotherapy in accordance with the characteristics of each patient?s health condition, and paediatrics is one of the areas that needs this approach. The 3D printing of oral doses is one method for ac...
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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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Veerendrakumar C. Khed, Vyshnavi Pesaralanka, Musa Adamu, Yasser E. Ibrahim, Marc Azab, M. Achyutha Kumar Reddy, Ahmad Hakamy and Ahmed Farouk Deifalla
Self-compacting concrete (SCC) was developed to overcome the challenges of concrete placement in dense or congested reinforcement structure, where the concrete can flow under its own weight to fill the densely reinforced structure. However, production of...
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Mo Liu, Wenting Dai, Chunling Zhong and Xue Yang
In order to promote the wide application of reactive powder concrete (RPC) in practical engineering. In this paper, RPC was prepared using conventional and economical natural river sand instead of quartz sand and economical and environmentally friendly b...
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Kun Zhang, Wei Yin, Xi Chen, Hui Li, Mingxing Cao and Shengxue Zhu
In this paper, hydroxypropyl methylcellulose (HPMC) is used as a new additive for porous vegetarian concrete (PVC) to improve its void structure and strength. The effect of the HPMC on the fluidity of the mortar was first investigated by a viscosity test...
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