Yazar "Cao, Shuai" için listeleme
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Analysis of tensile mechanical characteristics of fibre reinforced backfill through splitting tensile and three-point bending tests
Xue, Gaili; Yılmaz, Erol; Feng, Guorui; Cao, Shuai (Taylor & Francis Ltd., 2021)The cut-and-fill mining method is used in metalliferous mines thanks to backfilling instead of ore pillars. However, the stability of the artificial cemented tailings backfill (CTB) roof is one of the key influencing factors ... -
Analyzing microscopic structure and macroscopic strength behavior of cement-based tail fills incorporating fiber by X-ray CT scanning technique
Jiang, Meilin; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)Using structurally layered cementitious tailings backfill (CTB) as synthetic roof material for down-cut-and-fill mining can save cost while ensuring mechanical properties. In the current investigation, polypropylene fiber ... -
Analyzing the microstructure of cemented fills adding polypropylene-glass fibers with X-ray micro-computed tomography
Li, Jiajian; Cao, Shuai; Yılmaz, Erol (Elsevier, 2023)Fiber reinforced cementitious tailings backfill (FRCTB) is progressively employed in mining industry due to its high strength/stiffness-to-weight ratio. However, the wide use of the FRCTB technique requires further study ... -
Assessment of rheological and sedimentation characteristics of fresh cemented tailings backfill slurry
Cao, Shuai; Xue, Gaili; Yılmaz, Erol; Yin, Zhenyu (Taylor & Francis Ltd, 2020)Unreasonable choice of solid content (SC) and cement-to-tailings ratio (c/t), including pipeline networking system, will lead to some pipeline problems, such as blockage, wear, and rupture. Hence, this study deals with the ... -
Bending behavior and failure mode of cemented tailings backfill composites incorporating different fibers for sustainable construction
Xue, Gaili; Yılmaz, Erol; Feng, Guorui; Cao, Shuai (Elsevier, 2021)Mechanical characteristics of cementitious materials with fiber reinforcement are different from non reinforced cementitious materials. The influence of fiber type and content, solid content, and cement to-tailings ratio ... -
Characterization of macro mechanical properties and microstructures of cement-based composites prepared from fly ash, gypsum and steel slag
Li, Jiajian; Cao, Shuai; Yılmaz, Erol (MDPI, 2022)Using solid wastes (SWs) as backfilling material to fill underground mined-out areas (UMOAs) solved the environmental problems caused by SWs and reduced the backfilling cost. In this study, fly ash (FA), gypsum and steel ... -
Compressive fatigue behavior and failure evolution of additive fiber-reinforced cemented tailings composites
Li, Jiajian; Cao, Shuai; Yılmaz, Erol; Liu, Yunpeng (Springer, 2022)The ordinary cemented tailings backfill (CTB) is a cement-based composite prepared from tailings, cementitious materials, and water. In this study, a series of laboratory tests, including uniaxial compression, digital image ... -
CT scanning of internal crack mechanism and strength behavior of cement-fiber-tailings matrix composites
Cao, Shuai; Yılmaz, Erol; Yin, Zhenyu; Xue, Gaili; Song, Weidong; Sun, Lijuan (Elsevier Ltd, 2021)This paper deals the relationship between compressive strength and internal crack formation (e.g., crack width and volume) of cement-fiber-tailings matrix composites (CFTMC) using an industrial computed tomography system ... -
Editorial: Advances in the design and implementation of cementitious backfills
Yılmaz, Erol; Cao, Shuai; Wu, Di (Frontiers Media, 2022)Backfill plays an essential role in the most modern mining industries worldwide. It is usually applied in the cementitious form to fill underground mined-out openings (stopes and/or voids) -
Effect of 3D printed skeleton shapes on strength behavior, stress evolution and microstructural response of cement-based tailings backfills
Samiratou Yaya, Neyakbo; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)The inherent brittle behavior of cement-based tail backfill (CTB) poses some challenges that can significantly impact the safety and effectiveness of underground mining operations. Due to its propensity for abrupt and ... -
Effect of content and length of polypropylene fibers on strength and microstructure of cementitious tailings-waste rock fill
Gao, Bo; Cao, Shuai; Yılmaz, Erol (MDPI, 2023)The mechanical strength properties of cemented tailings backfill are very important for the safe and environmentally friendly mining of mineral resources. To check the impact of polypropylene fiber on strength and ... -
Effect of content of defluorinated solid waste on macroscopic strength and microstructural evolution of cemented tail filling composites
Zou, Shengxian; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)Solid waste created by the ferrous mining industry has a major number of notable differences. The deficiency of recognition of solid waste features is the key factor limiting its discarding and reuse. In this paper, cemented ... -
Effect of height to diameter ratio on dynamic characteristics of cemented tailings backfills with fiber reinforcement through impact loading
Wang, Aiai; Cao, Shuai; Yılmaz, Erol (Elsevier, 2022)The safety and durability of underground backfilled stopes of metalliferous mines are so crucial owing to several dynamic events such as rock bursting, loads triggered by blasting, and loading conditions under stress. ... -
Effect of layer thickness on the flexural property and microstructure of 3D-printed rhomboid polymer-reinforced cemented tailing composites
Zhao, Ziyue; Cao, Shuai; Yılmaz, Erol (Springer, 2023)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 downward layered filling mining technique ... -
Effect of magnetic induction intensity and steel fiber rate on strength improvement of cementitious filling composites
Li, Xihao; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)The underhand cut-fill backfill mining manner (UCFBMM) is widely employed in nonferrous metallic mines, and stability of the artificial backfill top plate directly determines the safety of operators and equipment, which ... -
Employing U-shaped 3D printed polymer to improve flexural properties of cementitious tailings backfills
Qin, Shiwen; Cao, Shuai; Yılmaz, Erol (Elsevier, 2022)The roof stability of artificial structures constructed by cementitious tailings backfill (CTB) is one of the major aspects in the durability of underhand cut and fill mining method. This is because CTB's failure can ... -
Enhancing flexural property and mesoscopic mechanism of cementitious tailings backfill fabricated with 3D-printed polymers
Zou, Shengxian; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)Backfill mining, one of the most common methods for removing hazardous tailings, is performed on cementitious tailings backfill (CTB), which can be employed to fully discard risky tailings while diminishing the ecological ... -
Exploring microstructure and mechanical features of coupled cementitious tail-sand concrete by partial replacement of tungsten tailings
Jiang, Meilin; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)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 sand in concrete to rationalize tailings’ ... -
Fiber length effect on strength properties of polypropylene fiber reinforced cemented tailings backfill specimens with different sizes
Xue, Gaili; Yılmaz, Erol; Song, Weidong; Cao, Shuai (Elsevier Sci Ltd, 2020)The strength properties of cemented tailings backfill (CTB: an engineered mix of processing tailings, hydraulic binder and mixing water) is strongly affected by its structural integrity. However, our understanding of the ...
