Long-term ageing characteristics of cemented paste backfill: Usability of sand as a partial substitute of hazardous tailings
Considering environmental problems caused by sulfidic tailings as a result of long-term
ageing as well as inadequacies in their gradations in ensuring the strength needed for …
ageing as well as inadequacies in their gradations in ensuring the strength needed for …
Effect of layer thickness on the flexural property and microstructure of 3D-printed rhomboid polymer-reinforced cemented tailing composites
Z Zhao, S Cao, E Yilmaz - … Journal of Minerals, Metallurgy and Materials, 2023 - Springer
For mines with poor ore bodies and surrounding rocks, the general mining method does not
allow the ore to be extracted from underground safely and efficiently. For these mines, the …
allow the ore to be extracted from underground safely and efficiently. For these mines, the …
Predicting long-term impact of cementitious mine fill considering sand as a copper-tailings substitution
It is of great importance to use different materials or techniques to enhance the
quality/behavior of cementitious mine fill (CMF). This leads the mining industry to evaluate …
quality/behavior of cementitious mine fill (CMF). This leads the mining industry to evaluate …
Influence of types and shapes of 3D printed polymeric lattice on ductility performance of cementitious backfill composites
S Qin, S Cao, E Yilmaz, J Li - Construction and Building Materials, 2021 - Elsevier
The compression properties of cementitious backfill composite (CBC) is strong, but their
tension properties are weak and presents little ductility because of their low fatigue crack …
tension properties are weak and presents little ductility because of their low fatigue crack …
Cementitious backfill with partial replacement of Cu-rich mine tailings by sand: Rheological, mechanical and microstructural properties
The thinning of tailings gradation during ore processing leads to a sizeable fall in the
strength of cementitious paste backfill (CPB), increases operational risks, and encourages …
strength of cementitious paste backfill (CPB), increases operational risks, and encourages …
Study on the settlement and delamination mechanism and acoustic emission characteristics of mixed aggregate cemented backfill
G Chen, N Yao, Y Ye, F Fu, N Hu, Z Zhang - Construction and Building …, 2023 - Elsevier
To study the effects of waste rock (WR) contents on the delamination and mechanical
characteristics of the cemented backfill, the backfill specimens with 40%-80% WR content …
characteristics of the cemented backfill, the backfill specimens with 40%-80% WR content …
Effect of velocity on flow properties and electrical resistivity of cemented coal gangue-fly ash backfill (CGFB) slurry in the pipeline
G Feng, Z Wang, T Qi, X Du, J Guo, H Wang, X Shi… - Powder Technology, 2022 - Elsevier
During the pipeline transportation of backfill slurry, flow velocity has direct effects on the
transport properties and then influences pipe blockage and wear. In this paper, a novel flow …
transport properties and then influences pipe blockage and wear. In this paper, a novel flow …
Experimental study on delamination and strength characteristics of cemented waste rock backfill
N Yao, Y Liu, Q Wang, F Oppong, T Huang… - … and Building Materials, 2023 - Elsevier
To analyze the relation of segregation and strength of cemented waste rock backfill (CWRB),
the aggregate distribution, uniaxial compressive strength (UCS), and failure law of the …
the aggregate distribution, uniaxial compressive strength (UCS), and failure law of the …
Insight into the fracture mechanical properties of the interfacial transition zone of cemented coal gangue backfill under different stress angles by mesoscopic digital …
H Wang, G Feng, T Qi, L Wang, Q Ding, D Pan… - Engineering Fracture …, 2024 - Elsevier
The interfacial transition zone (ITZ) exists between the coal gangue aggregate and the
cement-fly ash matrix in the cemented coal gangue backfill (CCGB). The ITZ is considered to …
cement-fly ash matrix in the cemented coal gangue backfill (CCGB). The ITZ is considered to …
Effect of the co-activation of sodium silicate and CO2 on setting and mechanical properties of coal gangue-fly ash backfill (CGFB)
Static segregation of coal gangue-fly ash backfill (CGFB) material presents a significant
impact on its mechanical performance for underground support. To resolve, a novel …
impact on its mechanical performance for underground support. To resolve, a novel …