Research on the effect of steam curing temperature and duration on the strength of manufactured sand concrete and strength estimation model considering thermal …

Y Duan, Q Wang, Z Yang, X Cui, F Liu… - Construction and Building …, 2022 - Elsevier
The steam curing temperature and duration of manufactured sand concrete result from the
comprehensive consideration of early strength growth rate and late strength. The effects of …

Influence of sodium silicate to precursor ratio on mechanical properties and durability of the metakaolin/fly ash alkali-activated sustainable mortar using manufactured …

P Zhang, C Wang, F Wang, P Yuan - Reviews on Advanced Materials …, 2023 - degruyter.com
In recent years, manufactured sand produced from crushed rock has been used as fine
aggregate instead of natural sand in construction and industrial fields to minimize the impact …

Effects of incorporating large quantities of copper tailings with various particle sizes on the strength and pore structure of cement-based materials

SC Chen, MY Gao, WT Lin, JF Liang, DW Li - Construction and Building …, 2022 - Elsevier
Although it is estimated that approximately 300 million tons of copper tailing is produced in
China annually, only about 8.2% of this byproduct is reused. Therefore, to promote natural …

Innovative soft computing techniques including artificial neural network and nonlinear regression models to predict the compressive strength of environmentally …

SA Ahmad, SK Rafiq, HU Ahmed… - Innovative Infrastructure …, 2023 - Springer
Since concrete and mortar productions (industry) are the biggest users of natural resources,
its sustainability is under threat. The environmental and economic concern is the most …

Study on fracture parameters and fracture process zone of manufactured-sand recycled aggregate concrete

Y Xu, H Chen, Y Tang - Construction and Building Materials, 2022 - Elsevier
This paper studied the fracture parameters and fracture process zone (FPZ) of manufactured-
sand recycled aggregate concrete (MSRAC) with different replacement rates of recycled …

Influence of stone dust content on carbonation performance of manufactured sand concrete (MSC)

X Yang, M Pan, S Zheng, J Liang, M Tan… - Journal of Building …, 2023 - Elsevier
This study investigates the influence of stone dust content on the carbonation performance
of manufactured sand concrete (MSC) to improve its durability and promote the application …

[HTML][HTML] Performance of cementitious and slag-fly ash blended geopolymer screed composites: A comparative study

J Hwalla, H El-Hassan, JJ Assaad… - Case Studies in …, 2023 - Elsevier
This study investigates the potential use of geopolymer (GP) composites for screed
applications complying with BS 8204 requirements. Different cementitious (CM) and GP …

A predictive model to determine tensile strength and fracture toughness of 3D printed fiber reinforced concrete loaded in different directions

S Yang, T Lan, Z Sun, M Xu, M Wang, Y Feng - Theoretical and Applied …, 2022 - Elsevier
Concrete 3D printing is getting increased attention in civil engineering. Fibers are generally
added to reinforce printed concrete. Crack resistance of 3D printed fiber reinforced concrete …

Prediction of interfacial tensile bond strength in 3D printed concrete based on a closed-form fracture model

T Lan, S Yang, M Wang, M Xu, S Cheng… - Journal of Building …, 2023 - Elsevier
Interfacial bond strengths in 3D printed concrete may affect the deformation compatibilities
among the extruded filaments and the anisotropy of concrete. However, the previous …

[HTML][HTML] Effect of steel fibre and manufactured sand on mechanical properties of alkali-activated slag green cementitious material after high temperature

H Cheng, P Chen, X Rong, S Cao, W Zhao - Case Studies in Construction …, 2023 - Elsevier
This study investigated the mechanical properties of alkali-activated slag cementitious
material (AASCM) after exposure to 20–800℃ considering the effect of steel fibre content …