Mechanical properties and microstructural characteristics of coral-aggregate-concrete ITZ: Experimental study

H Ma, Y Tu, H Yu, Y Diao, W Han, M Zhang - Journal of Building …, 2023 - Elsevier
The interfacial transition zone (ITZ) between the internal aggregate of concrete and the
cement paste is the weak link of concrete. In order to explore the relationship between the …

Iron ore tailings, phosphate slags, and lithium slags as ternary supplementary cementitious materials for concrete: Study on compression strength and microstructure

Y Zhang, L Zhang, Q Wang, D Han, Z Li - Materials Today Communications, 2023 - Elsevier
The high carbon emissions in the construction industry and the large-scale storage of high
silicon iron ore tailings (IOTs, SiO 2> 60% wt., Fe 2 O 3> 10% wt.) associated with mining …

Preparation and alkali excitation mechanism of coal gangue-iron ore tailings non-sintering ceramsite

M Zhong, J Meng, B Ning, F Na, T Cui, X Shi… - Construction and Building …, 2024 - Elsevier
Non-sintering ceramsite is known for its simplicity in preparation technology and low
production costs. The efficient utilization of industrial solid waste for non-sintering ceramsite …

Exploring microstructure and mechanical features of coupled cementitious tail-sand concrete by partial replacement of tungsten tailings

M Jiang, S Cao, E Yilmaz - Process Safety and Environmental Protection, 2024 - Elsevier
Tailings storage is not only harmful to the environment, but also poses a great challenge to
mine safety production. We consider whether coarse-grained tailings can replace standard …

[HTML][HTML] Effect of cellulose nanofiber addition on the microstructure characterization and nano-mechanical behavior of interfacial transition zones in recycled concrete

F Deng, C Cao, Y Chi, L Xu - Journal of Materials Research and …, 2024 - Elsevier
The aggregate-matrix interfacial transition zone (ITZ) is known as the weakest link in
recycled concrete. Cellulose nanofiber (CNF), as a green and renewable nano …

Crack behavior of expanded polystyrene foam-ceramsite composite thermal insulation mortar

F Yu, Y Chen, Y Fang, P Xu, B Xu, Q Liu - Journal of Building Engineering, 2023 - Elsevier
To compensate for the deficiencies of thermal insulation, fire and crack resistances of
traditional thermal insulation mortars, this paper prepares expanded polystyrene foam …

[HTML][HTML] The influence of sugarcane bagasse ash on the microstructure of autoclaved cementitious material: Comparative study with amorphous and crystalline silica

A de Jesus Torres, MB de Aguiar… - Journal of Materials …, 2024 - Elsevier
This study aimed to investigate the effects of a partial replacement (25 wt%) of Portland
cement with sugarcane bagasse ash (SCBA) on the microstructure of cement pastes. The …

Characterization of permeability of seawater iron tailings mortar based on inter-pore connection

Y Li, W Li, KH Tan, J Sheng, M Yu - Construction and Building Materials, 2023 - Elsevier
Permeability is an important factor affecting the durability as the connection between pores
provides a channel for water and ion permeation. However, the mechanism governing the …

The Role of Chemical Activation in Strengthening Iron Ore Tailings Supplementary Cementitious Materials

Z Hu, X Gu, B Cheng, Q Wang, J Liu, X Ge, S Yin - Buildings, 2024 - mdpi.com
The preparation of iron ore tailings (IOTs) into supplementary cementitious materials (SCMs)
is an effective approach to achieve value-added utilization of industrial solid waste. This …

[HTML][HTML] Deep processing of dump slag from the copper-nickel industry

AG Kasikov, EA Shchelokova, OA Timoshchik… - Metals, 2023 - mdpi.com
This work proposes an environmentally safe and economically feasible method of waste
copper-nickel production slag utilization (Kola Mining-Metallurgical Company, Nornickel …