Influence of the use of corn straw fibers to connect the interfacial transition zone with the mechanical properties of cemented coal gangue backfill
H Wang, G Feng, T Qi, X Gao, C Wang, L Wang… - … and Building Materials, 2023 - Elsevier
Cemented coal gangue backfill (CCGB) is a cement-based mixture containing coarse
aggregates and is used to fill the goaves of underground coal mines. However, CCGB …
aggregates and is used to fill the goaves of underground coal mines. However, CCGB …
Study of mechanical behavior and cracking mechanism of prefabricated fracture cemented paste backfill under different loading rates from the perspective of energy …
X Song, J Li, S Wang, S Zhou, W Liu, Y Zhai… - … and Building Materials, 2022 - Elsevier
Loading rate (LR) and initial defects are the vital factors influencing the mechanical
properties of cemented paste backfill (CPB). Under the action of external load, the essence …
properties of cemented paste backfill (CPB). Under the action of external load, the essence …
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 …
Dynamic stress characterization and instability risk identification using multisource acoustic signals in cut-and-fill stopes
L Dong, Y Zhang, Z Chen, Y Kou, Z Pei - Scientific Reports, 2024 - nature.com
The quantitative characterization of rock mass and stress changes induced by mining
activities is crucial for structural stability monitoring and disaster early warning. This paper …
activities is crucial for structural stability monitoring and disaster early warning. This paper …
Rheological properties of cemented gangue backfill material based on fractal characteristics of waste coal gangue
X Ye, Y Guo, G Feng, X Wang, W Hu, J Ma - Environmental Science and …, 2023 - Springer
The study herein was intended to evaluate the rheological properties of cemented gangue
backfill material (CGBM). For this purpose, the rheological test of CGBM with fractal …
backfill material (CGBM). For this purpose, the rheological test of CGBM with fractal …
Mechanical behavior, acoustic emission and principal strain field evolution properties of layered cemented paste backfill under unconfined compression
B Wang, L Yang, Q Li, X Shu, M Kang - Construction and Building Materials, 2024 - Elsevier
In order to save costs, the layered filling method is adopted by mine enterprise to fill the
underground goafs. To understand the mechanical behavior, damage evolution and failure …
underground goafs. To understand the mechanical behavior, damage evolution and failure …
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 …
toughness. Herein, a novel approach is proposed to improve the toughness of CBB using …
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 …
age on mechanical properties of cemented gangue backfill column (CGBC) under long-term …
Mechanical Behavior of Waste Tire Steel Fiber–Modified Mine-Cemented Backfilling Materials: Early Strength, Toughness, and Failure Mode
C Che, S Cao, S Du, R Ma, C Zhao, Y Liu… - Journal of Materials in …, 2024 - ascelibrary.org
Cemented gangue backfill bodies (CGBBs) are characterized by high brittleness and poor
toughness in backfill mining technology. According to different types of waste tires …
toughness in backfill mining technology. According to different types of waste tires …
Effects of width-height ratio and roof-floor strength on the mechanical characteristics of cemented gangue backfill pier-column
H Ran, M Elchalakani, Y Guo, G Feng… - Environmental Science and …, 2023 - Springer
Cemented gangue backfill pier-column (CGBP) which was made of coal gangue, fly ash,
cement, and water is the supporting component of the goaf in partial backfill mining or …
cement, and water is the supporting component of the goaf in partial backfill mining or …