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Guangzheng Qi, Qiang Zhang and Zhengning Sun
Supersulfated cement (SSC), a low-carbon, energy-efficient, eco-friendly cementitious material, is mainly made from industrial byproducts. However, SSC?s slow early strength development leads to inadequate initial hardening and reduced durability, which ...
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Baojun Cheng, Xiaowei Gu, Haoyue Hu, Yaning Kong and Pengyu Huang
There are some limitations in the application of tuff powder as a supplementary cementitious material (SCM). Exploring its feasibility in new fields will consume a large amount of silica-alumina mine solid wastes. This study has investigated the mechanic...
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Bin Ma, Yunfan Chu, Xiaolin Huang and Bai Yang
The performance indicators of concrete are mainly determined by the interface characteristics between cement hydration slurry and aggregates. In this study, molecular dynamics technology was used to evaluate the effect of the interfacial water content on...
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Moruf Olalekan Yusuf
Fourier-transform infrared (FTIR) spectroscopy is a fast and simple technique for functional group identification. This work provides a review and insight into the application and interpretation of FTIR spectroscopy for cementitious binders that comprise...
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Binhao Liu, Shengxiao Wang, Pengcheng Dong, Xinzhe Zhang, Long Zhang, Chen Chen, Xihui Xu, Yan Xia, Zhenguo Shen, Liang Shi and Yahua Chen
The retention of copper (Cu) in saline?alkali soil (SAS) during long-term application of biogas residue (BR) with a high concentration of Cu raises concerns. In this work, the fate of Cu was detected using adsorption isotherms, scanning electron microsco...
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Xu Dong, Mingdong Wang, Minyuan Song and Ning Hou
The backfilling of lime soil in ultra-deep and ultra-narrow foundation trenches is a difficult construction link, and ordinary-cemented soil has drawbacks, including poor strength, impermeability, and frost resistance. To solve these problems, fly ash (F...
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Gengyin Cui, Dewen Kong, Yingying Huang, Wei Qiu, Lili Cheng and Lingling Wang
The single-factor experiments are designed to quantitatively investigate the effects of silica fume, mineral powder, and fly ash on the mechanical and thermal insulation properties of desulfurization gypsum-based composites (DGCs). The effect mechanism i...
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Daniel Mulat Nega, Begashaw Worku Yifru, Woubishet Zewdu Taffese, Yalew Kassa Ayele and Mitiku Damtie Yehualaw
The purpose of this study is to examine the effects of partially replacing cement with a blend of marble waste powder (MWP) and granite waste powder (GWP) in mortar, with the goal of reducing the environmental harm caused by cement. The investigation inc...
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Maohua Zhang, Zenong Tian and Jiyin Cui
In order to study the influence of nanomaterials on the carbonation resistance of marine concrete under bending loads, an appropriate amount of nano-SiO2 was added to plain concrete, and a self-developed carbonation box and bending loading device were us...
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Lei Xi, Jianmin Gao, Liang Xu, Zhen Zhao, Qicheng Ruan and Yunlong Li
In this study, numerical simulations were carried out to investigate the flow and heat transfer characteristics of jet array impingement cooling in the quasi-leading-edge channel of gas turbine blades. The influence laws of Reynolds number (Re, 10,000 to...
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