[HTML][HTML] Creep properties and resistivity-ultrasonic-AE responses of cemented gangue backfill column under high-stress area

H Ran, Y Guo, G Feng, T Qi, X Du - International Journal of Mining Science …, 2021 - Elsevier
To investigate the creep and instability properties of a cemented gangue backfill column
under a high-stress area, the uniaxial compression creep tests were conducted by single …

Mechanical properties and damage evolution characteristics based on the acoustic emission of gangue and high-water-content materials based cemented paste …

K Sun, J Zhang, M He, M Li, C Wang, W Feng… - Construction and Building …, 2023 - Elsevier
The long-term, continuous, high-intensity mining of coal resources has caused surface
settlement, collapse of surface buildings, and stacking of gangue on ground. Backfill mining …

Study on strength and deformation characteristics of cemented gangue backfill body under the coupling action of load and salt erosion

Y Zhao, Y Guo, G Feng, C Li, W Xie, C Zhang - Construction and Building …, 2022 - Elsevier
The durability of backfill body is very important to maintain the stability of goaf. To explore
the long-term strength and deformation characteristics of backfill body under the coupling …

Deformation and instability properties of cemented gangue backfill column under step-by-step load in constructional backfill mining

Y Guo, H Ran, G Feng, X Du, Y Zhao, W Xie - Environmental Science and …, 2022 - Springer
Constructional backfill mining with cemented gangue backfill column can solve the
environmental issues caused by mining activities and the accumulation of waste gangue at …

Failure properties and stability monitoring of strip and column cemented gangue backfill bodies under uniaxial compression in constructional backfill mining

H Ran, Y Guo, G Feng, C Li - Environmental Science and Pollution …, 2022 - Springer
The strip and column cemented gangue backfill bodies (CGBBs) are the main supporting
components in the design of constructional backfill mining for coal mining, which determines …

Study on the strength characteristics and failure characteristics of the composite load-bearing structure in the cemented filling field

B Xu, Y Li, S Wang, H Luo, B Lu - Construction and Building Materials, 2022 - Elsevier
The continuous mining and filling cemented coal mining (CMCB) technology solves the
problem of unbalanced mining and filling efficiency in the coal mining with lane-type …

Long-term strength and deformation size effect of gangue cemented backfill in acid mine water

Y Zhao, Y Guo, G Feng, C Li - Structures, 2023 - Elsevier
The mine water environment can seriously affect the long-term strength and deformation of
the backfill body, thereby affecting the stability of the goaf. In this study, the gangue …

A feasibility study on using tire-recycled steel fibers to enhance the toughness of constructional backfill body

C Che, S Cao, Y Zhang, C Zhao, S Du, J Li, Y Liu - Structures, 2024 - Elsevier
Constructional backfill body (CBB) commonly faces the issue of high brittleness and low
toughness. Herein, a novel approach is proposed to improve the toughness of CBB using …

Damage evolution and failure characteristics of a cemented gangue backfill considering direct shear and dynamic tests

J Guo, L Yu, G Feng, Y Guo, D Dias, J Bai, T Qi… - … and Building Materials, 2024 - Elsevier
Backfill mining is an effective technique that can prevent and control the impact of dynamic
disasters which can occur in deep underground coal mines. This technique allows to reduce …

Experimental investigation on the deformation and strength properties of cemented gangue backfill column under long-term axial compression

G Feng, H Ran, J Guo, Y Guo, C Li - Structures, 2022 - Elsevier
To reveal the time-dependent deformation and the effect of loading history from early curing
age on mechanical properties of cemented gangue backfill column (CGBC) under long-term …