Kurum Yazarı "Yılmaz, Erol" İçin Listeleme
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Influence of hydrofluoric acid leaching and roasting on mineralogical phase transformation of pyrite in sulfidic mine tailings
Koohestani, Babak; Darban, Ahmad Khodadadi; Mokhtari, Pozhhan; Darezereshki, Esmaeel; Yılmaz, Erol; Yılmaz, Elif (Mdpi, 2020)Under the oxidative roasting process, pyrite, as a major mineral in sulfidic mine tailings, can transform to iron oxides. Generated iron oxides, if exhibiting enough magnetic properties, can be recovered via magnetic ... -
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 contents of nano cellulose materials as reinforcement on stability performance of cementitious tailings backfill
Wang, Aiai; Cao, Shuai; Yılmaz, Erol (Elsevier, 2022)This study explores the quality of cemented tailings backfill (CTB) reinforced with diverse nano cellulose materials (NCMs) such as micro-fibrillated cellulose (MFC), hydroxylated cellulose nanofiber (CNF), and cellulose ... -
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 ... -
Innovative mine backfill materials and structures
Yılmaz, Erol (Taylor & Francis Ltd., 2023)The mining of natural resources forms three broad classes of mine waste: waste rock, tailings, and coal gangue. -
Investigation on the flexural strength, failure pattern and microstructural characteristics of combined fibers reinforced cemented tailings backfill
Huang, Zhiqiang; Cao, Shuai; Yılmaz, Erol (Elsevier, 2021)The brittleness of the cemented tailings backfill (CTB) can easily cause collapse, which seriously threatens the safety of underground mining workers and equipment. Studies have shown that fibers can improve the ductility ... -
A joint experiment and discussion for strength characteristics of cemented paste backfill considering curing conditions
Chen, Shunman; Wang, Wei; Yan, Rongfu; Wu, Aixiang; Wang, Yiming; Yılmaz, Erol (MDPI, 2022)As lots of underground mines have been exploited in the past decades, many stope instability and surface subsidence problems are appeared in the underground mines, while the cemented paste backfill (CPB) technology has ... -
A large goaf group treatment by means of Mine Backfill Technology
Jia, Hanwen; Yan, Baoxu; Yılmaz, Erol (Hindawi, 2021)There are few studies on the management methods of large-scale goaf groups per the specific surrounding rock mass conditions of each goaf. This paper evaluates comprehensively the stability of the multistage large-scale ... -
Long-term ageing characteristics of cemented paste backfill: Usability of sand as a partial substitute of hazardous tailings
Sarı, Muhammet; Yılmaz, Erol; Kasap, Tuğrul (Elsevier, 2023)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 cemented paste backfill (CPB), there is a need ... -
Machine learning applications in industrial solid ash
Qi, Chongchong; Yılmaz, Erol; Chen, Qiusong (Elsevier, 2024)Machine Learning Applications in Industrial Solid Ash begins with fundamentals in solid ash, covering the status of solid ash generation and management. The book moves on to foundational knowledge on ML in solid ash ... -
Mechanical, energy evolution, damage and microstructural behavior of cemented tailings-rock fill considering rock content and size effects
Qin, Hao; Cao, Shuai; Yılmaz, Erol (Elsevier, 2024)Cemented tailings-rock fill (CTRF) is crucial for engineering intention and durability of re-filled stopes in deep underground mines. The current work examined the effects of fragment contents and sizes on the mechanical, ... -
Microstructure and mechanical behavior of cemented gold/tungsten mine tailings-crushed rock backfill: Effects of rock gradation and content
Huang, Zhiqiang; Cao, Shuai; Yılmaz, Erol (Elsevier, 2023)Without appropriate and responsible waste management in place, the cursory storage of tailings and waste rocks on the surface can cause devastating damage to the planet's ecosystems. To proactively manage or abolish the ... -
A New index and control method of filling effect for cemented paste backfill in coal mines
Liu, Hao; Deng, Xuejie; Shi, Xiaoming; Wang, Zhenchao; Jia, Ning; Yılmaz, Erol; Bian, Liguo (Taylor & Francis Ltd., 2023)The scientific filling effect characterization is very important for backfill mining. A new filling effect index, the final backfill ratio (FBR), is proposed through experimental tests and theoretical analysis, and the ... -
Numerical investigation of creeping rockmass interaction with hardening and shrinking cemented paste backfill
Yan, Baoxu; Jia, Hanwen; Yılmaz, Erol; Lai, Xingping; Shan, Pengfei; Hou, Chen (Elsevier, 2022)Revealing the interaction mechanism between the time-dependent deformation of rockmass and hardening backfill are important for successful mining design. Based on laboratory tests and numerical simulation, a framework has ... -
Numerical study on microscale and macroscale strength behaviors of hardening cemented paste backfill
Yan, Baoxu; Jia, Hanwen; Yılmaz, Erol; Lai, Xingping; Shan, Pengfei; Hou, Chen (Elsevier, 2022)Computer aided optimization of cement-based materials proportion can accurately quantify the accompanying microstructure evolution, material composition, and the mechanical properties changes. However, no relevant research ... -
Physico-chemical and micro-structural behavior of cemented mine backfill: Effect of pH in dam tailings
Kasap, Tuğrul; Yılmaz, Erol; Sarı, Muhammet (Elsevier, 2022)The tailings created during ore processing have been a serious problem for mining companies and environment since it is a challenging task to effectively manage these highly voluminous/dangerous tailings. Therefore, several ... -
Polymer shape effect on damage evolution, internal defects and crack propagation of 3D-printed polymer-based cementitious backfill
Zhang, Huan; Cao, Shuai; Yılmaz, Erol (Elsevier, 2023)The strength property and damage mode of cementitious tailings backfill (CTB) are governed by its structural characteristics in the presence of the microstructure/internal defect effects. However, this correlation is still ... -
Polypropylene fiber effect on flexural strength, toughness, deflection, failure mode and microanalysis of cementitious backfills under three-point bending conditions
Zhao, Ziyue; Cao, Shuai; Yılmaz, Erol (MDPI, 2023)Cemented tailings backfill (CTB) is continually practiced in a large number of metallic mines for re-filling underground ore extraction areas. Re-filling these areas can boost the security of mining teams during construction. ... -
Polypropylene fiber's effect on the features of combined cement-based tailing backfill: Micro- and macroscopic aspects
Li, Xihao; Cao, Shuai; Yılmaz, Erol (MDPI, 2024)In undercut-and-fill mining, backfills show weak tensile strength and poor ductility properties since they act as artificial pillars to support stope roofs. Hence, the enhancement of the stability of mining structures and ...