Results 11 to 20 of about 343,528 (265)

Management and characterization of concrete wastes from concrete batching plants in Belo Horizonte – Brazil

Journal of Materials Research and Technology, 2022
This paper aims to evaluate the forms of concrete waste generation in concrete batching plants (CBP) in the metropolitan region of Belo Horizonte, Brazil, and focusing on the reuse of this waste in the productive sector of the CBP.
Juliana Vieira Martins, Maria Teresa Paulino Aguilar, Dayana Cristina Silva Garcia, White José dos Santos   +3 more
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Study of mechanical, durability and microstructural properties of cementitious composite with addition of different iron ore tailings from Brazil

Journal of Materials Research and Technology, 2022
Brazil is the second-largest global iron ore producer in the world. Consequently, a large volume of iron ore tailings (IOTs) is generated, which is associated with environmental impacts.
Bruna Silva Almada, Henrique da Silva Silveira Melo, Marlo Souza Duarte, Maria Teresa Paulino Aguilar, Dayana Cristina Silva Garcia, Guilherme Jorge Brigolini Silva, White José dos Santos   +6 more
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Design of an innovative self-compacting material modified with recycled steel fibers and spent equilibrium catalyst for ultra-high performance applications

U.Porto Journal of Engineering, 2023
The main aim of the present study is to design an innovative self-compacting material modified with recycled steel fibers (RSF) from waste tires and spent equilibrium catalyst (Ecat) from the petrochemical industry for ultra-high performance application.
Hassan Abdolpour, Paweł Niewiadomski, Łukasz sadowski, Arkadiusz Kwiecień   +3 more
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Microstructure and Properties of Sulfoaluminate Cement-Based Grouting Materials: Effect of Calcium Sulfate Variety

Advances in Materials Science and Engineering, 2020
Effect of calcium sulfate variety on the microstructure and properties of cement-based grouting materials made by sulfoaluminate cement clinker, calcium sulfate resource, and quicklime was investigated in this paper. Isothermal calorimetric, XRD, DTA-TG,
Jianwu Zhang, Xuemao Guan, Xiao Wang, Xianwei Ma, Zhixin Li, Zhuoyue Xu, Biao Jin   +6 more
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Anisotropic hemp-stem-derived biochar supported phase change materials with efficient solar-thermal energy conversion and storage

Biochar, 2022
Highlights 1. Anisotropic hemp-stem-derived biochar is used as supports of ss-CPCMs. 2. Biochar-supported CPCMs show high PEG loading, latent heat and solar-thermal conversion efficiency. 3.
Ruiying Yang, Xiran Guo, Haotian Wu, Weizhi Kang, Kun Song, Yaqiong Li, Xiubing Huang, Ge Wang   +7 more
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A Review on Multi-Scale Toughening and Regulating Methods for Modern Concrete: From Toughening Theory to Practical Engineering Application

Research
Concrete is the most widely used and highest-volume basic material in the word today. Enhancing its toughness, including tensile strength and deformation resistance, can boost the structural load-bearing capacity, minimize cracking, and decrease the ...
Jinhui Tang, Chang Gao, Yi Li, Jie Xu, Jiale Huang, Disheng Xu, Zhangli Hu, Fangyu Han, Jiaping Liu   +8 more
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The role of chemistry and fineness of metakaolin on the fresh properties and heat resistance of blended fly ash-based geopolymer

SN Applied Sciences, 2023
Sensible thermal energy storage using concrete as a storage medium is a promising technology that helps minimize energy in power plant. The purpose of this study is to evaluate the potential benefits of metakaolin (MK) as a partial substitute for fly ash-
Ahmed Mohamed Abbass, Rafia Firdous, Jean Noel Yankwa Djobo, Dietmar Stephan, Mohamed Abd Elrahman   +4 more
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CONSTRUCTION ENGINEERING AND CONSTRUCTION MATERIALS

EPRA International Journal of Multidisciplinary Research (IJMR), 2019
Construction Engineering is very important part of Civil Engineering. We can’t think about a good and stable structure without good quality of construction. And the construction materials is also play an important role for any construction work. Construction engineering is a professional discipline that deals with the designing, planning, construction ...
openaire   +1 more source

Effect of steel fiber shape and content on printability, microstructure and mechanical properties of 3D printable high strength cementitious materials

Case Studies in Construction Materials
This study investigates the effects of steel fiber shape (straight and hooked-end) and content (0, 0.5, 1.0, and 1.5 vol%) on rheological properties, printability, mechanical performance and microstructure of 3D printable steel fiber reinforced high ...
Zijian Jia, Mengting Zhou, Yu Chen, Wei Wang, Lei Ma, Yuning Chen, Chao Liu, Yamei Zhang   +7 more
doaj   +1 more source

Multi-scale modelling of thermal conductivity of phase change material/recycled cement paste incorporated cement-based composite material

Materials & Design, 2020
Recycled cement paste as a promising shape stabilisation support of phase change material (PCM) has been introduced to prepare cement-based phase change energy storage composite material (PCESCM) due to its advantages regarding building energy ...
Cheng Liu, Rusheng Qian, Zhiyong Liu, Guojian Liu, Yunsheng Zhang   +4 more
doaj   +1 more source