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ASSESSMENT OF LOS ANGELES ABRASION VALUE (LAAV) AND MAGNESIUM SULPHATE SOUNDNESS (Mwl) OF ROCK AGGREGATES USING GENE EXPRESSION PROGRAMMING AND ARTIFICIAL NEURAL NETWORKS
Koken, Ekin (POLSKA AKAD NAUK, POLISH ACAD SCIENCES, 2022)It has been acknowledged that two important rock aggregate properties are the Los Angeles abrasion value (LAAV) and magnesium sulphate soundness (Mwl). However, the determination of these properties is relatively challenging ... -
Assessment of Rock Aggregate Quality Through Fuzzy Inference System
Koken, Ekin; Baspinar Tuncay, Ebru (SPRINGER, 2022)In this study, Fuzzy Inference System (FIS) was adopted to evaluate the rock aggregate quality. For this purpose, some technical standards for coarse aggregates were integrated into the FIS analyses as threshold values. ... -
Assessment of Rock Aggregate Quality Through the Analytic Hierarchy Process (AHP)
Koken, Ekin; Top, Soner; Ozarslan, Ahmet (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020)The present study aimed to assess rock aggregate quality through the Analytic Hierarchy Process (AHP). In the context of the AHP analyses, four rock types (i.e., andesite, basalt, granodiorite, and gabbro), five evaluation ... -
A COMPARATIVE STUDY ON POWER CALCULATION METHODS FOR CONVEYOR BELTS IN MINING INDUSTRY
Koken, Ekin; Lawal, Abiodun Ismail); Onifade, Moshood; Ozarslan, Ahmet (TAYLOR & FRANCIS LTD2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2021)This paper covers different methods to evaluate the power consumption of several conveyor belt systems (CBSs) used in the Turkish Mining Industry (TMI). Based on each CBS's operational features, the power consumption (P-c, ... -
DEVELOPMENT OF SOFT COMPUTING-BASED PREDICTIVE TOOLS FOR ESTIMATING THE YOUNG MODULUS OF WEAK ROCKS
Koken, Ekin; Strzalkowski, Pawel (UNIV ZIELONA GORA, 2024)The deformation characteristics of rocks are of vital importance in addressing most geomechanical issues as they are one of the most critical input parameters in rock engineering analyses. For this reason, robust ... -
Evaluation of size reduction process for rock aggregates in cone crusher
Koken, Ekin (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2020)The size reduction process of rocks in cone crushers is one of the most important issues, particularly for the secondary and tertiary stages of crushing operations. In this study, 17 different rock types were considered ... -
Evaluation of Soft Computing Methods for Estimating Tangential Young Modulus of Intact Rock Based on Statistical Performance Indices
Koken, Ekin; Kadakci Koca, Tumay (SPRINGER, 2022)The tangential Young modulus (E-ti) of intact rock is a critical parameter in engineering geological design calculations and rock mass classification systems. The E-ti of various rock types has been successfully estimated ... -
Investigating the effects of feeding properties on rock breakage by jaw crusher using response surface method and gene expression programming
Koken, Ekin (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)The present study investigates the effects of feeding properties on rock comminution by a laboratory-scale jaw crusher. For this purpose, detailed crushability tests were carried out on four different rock types to assess ... -
Investigations on Fracture Evolution of Coal Measure Sandstones from Mineralogical and Textural Points of View
Koken, Ekin (SPRINGER INDIA, 7TH FLOOR, VIJAYA BUILDING, 17, BARAKHAMBA ROAD, NEW DELHI, 110 001, INDIA, 2020)The purpose of the present study is to investigate the variations in fracture evolution of sandstones arising from mineralogical and textural features. For this purpose, eight types of coal measure sandstones located in ... -
Keçiborlu (Isparta-Türkiye) opal oluşumlarının jeolojik-jeokimyasal özellikleri
Baspinar Tuncay, Ebru; Kuscu, Mustafa; Cengiz, Oya; Aydemir, Fatih; Raimov, Rahmen; Koken, Ekin (PAMUKKALE UNIV, 2022)Silica-rich solutions, considered as the final products of acidic volcanism, which started from the Late Miocene to throughout the PlioQuaternary around Isparta, are effective along the main fault observed around the ... -
Prediction of Mechanical Properties of Coal from Non-destructive Properties: A Comparative Application of MARS, ANN, and GA
Lawal, Abiodun Ismail; Oniyide, Gafar O.; Kwon, Sangki; Onifade, Moshood; Koken, Ekin; Ogunsola, Nafiu O. (SPRINGERVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2021)Rock properties are useful for safe operation and design of both surface and underground mines including civil engineering projects. However, the cost and time required to perform detailed assessments of rock properties ... -
Roles of curing conditions on properties of soil reinforced with palm fiber and lime
Qu, Jili; Wang, Junfeng; Wang, Junfeng; Zhu, Hao; Koken, Ekin; Mihaela, Cristea Lavinia; Mao, Huiyong; Liu, Baoshi; Huang, Xiaoru; Xiong, Kun; Zhang, Yawen (ICE PUBLISHINGINST CIVIL ENGINEERS, 1 GREAT GEORGE ST, WESTMINISTER SW 1P 3AA, ENGLAND, 2021)Due to the environment-friendly properties of palm fiber, its use was attempted to improve the quality of soil together with lime. Unconfined compressive tests were carried out on soils mixed with palm fiber and lime under ... -
Size Reduction Characterization of Underground Mine Tailings: A Case Study on Sandstones
Koken, Ekin (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020)The production of construction and building materials starts with reducing the size of natural, industrial, and waste materials. In addition to strength and durability considerations of natural resources recommended by ...
