Yazar "Li, Jiajian" için listeleme
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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 ... -
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 ... -
Influence of industrial solid waste as filling material on mechanical and microstructural characteristics of cementitious backfills
Li, Jiajian; Yılmaz, Erol; Cao, Shuai (Elsevier, 2021)Use of industrial solid wastes (e.g., fly ash, desulfurization gypsum, steel slag) as mine fill material not only solves the environmental risks dictated by the sustainable management of these wastes, but also reduces the ... -
Influence of solid content, cement/tailings ratio, and curing time on rheology and strength of cemented tailings backfill
Li, Jiajian; Yılmaz, Erol; Cao, Shuai (Mdpi, 2020)Understanding the flow process of cemented tailings backfill (CTB) is important for successful pumping into underground stopes. This study examines the effects of solid content (SC), cement/tailings (c/t) ratio, and curing ... -
Influence of types and shapes of 3D printed polymeric lattice on ductility performance of cementitious backfill composites
Qin, Shiwen; Cao, Shuai; Yılmaz, Erol; Li, Jiajian (Elsevier, 2021)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 growth rate and resistance. Thus, proper ... -
Reinforcing effects of polypropylene on energy absorption and fracturing of cement-based tailings backfill under impact loading
Li, Jiajian; Cao, Shuai; Yılmaz, Erol (Springer, 2024)Polypropylene (PP) fiber-reinforced cement-based tailings backfill (FRCTB) is a green compound material with superior crack resistance and has good prospects for application in underground mining. However, FRCTB exhibits ...
