1–15 von 15 Ergebnissen
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    Image Analysis Technique for Aggregate Morphology Analysis with Two-Dimensional Fourier Transform Method

    Sun, Wenjuan / Wang, Linbing / Tutumluer, Erol | Transportation Research Record | 2012
    Aggregate Image Measurement System (AIMS) II and the University of Illinois aggregate image analyzer (UIAIA) for further comparison. The FTI system ...
    Verlag: Transportation Research Record

    Evaluation of Aggregate Size and Shape by Means of Segmentation Techniques and Aggregate Image Processing Algorithms

    Moaveni, Maziar / Wang, Shengnan / Hart, John M. et al. | Transportation Research Record | 2013
    significantly in relation to strength, modulus, and permanent deformation. With imaging technology, an objective and accurate measurement of aggregate ...
    Verlag: Transportation Research Record

    Bender Element Field Sensor for the Measurement of Pavement Base and Subbase Stiffness Characteristics

    Kang, Mingu / Qamhia, Issam I. A. / Tutumluer, Erol et al. | Transportation Research Record | 2021
    layer. This paper presents the result of a recent research effort at the University of Illinois aimed to develop a new sensor for the direct ...
    Verlag: Transportation Research Record

    Railway Ballast Permeability and Cleaning Considerations

    Schmidt, Scott / Shah, Sagar / Moaveni, Maziar et al. | Transportation Research Record | 2017
    and relatively simple test apparatus, the University of Illinois Constant Head Aggregate Permeameter, was used to study railroad ballast ...
    Verlag: Transportation Research Record

    Railroad Track Transitions with Multidepth Deflectometers and Strain Gauges

    Mishra, Debakanta / Tutumluer, Erol / Boler, Huseyin et al. | Transportation Research Record | 2014
    for the safe and economical operation of both freight and passenger rail networks. Findings are presented from an ongoing research study at ...
    Verlag: Transportation Research Record

    Evaluation of Aggregate Imaging Techniques for Quantification of Morphological Characteristics

    Wang, Linbing / Sun, Wenjuan / Tutumluer, Erol et al. | Transportation Research Record | 2013
    Imaging Measurement System, first-generation University of Illinois aggregate image analyzer, and Fourier transform interferometer system), are ...
    Verlag: Transportation Research Record

    Investigation of Aggregate Properties Influencing Railroad Ballast Performance

    Wnek, Michael A. / Tutumluer, Erol / Moaveni, Maziar et al. | Transportation Research Record | 2013
    undertaken at the University of Illinois to investigate differences in engineering behavior of premium railroad ballast materials obtained from 13 ...
    Verlag: Transportation Research Record

    Determination of Volume of Aggregates: New Image-Analysis Approach

    Rao, Chetana / Tutumluer, Erol | Transportation Research Record | 2000
    and repeatable experimental technique. A new aggregate image analyzer has been recently developed at the University of Illinois that uses ...
    Verlag: Transportation Research Record

    Geogrid-Reinforced Low-Volume Flexible Pavements: Pavement Response and Geogrid Optimal Location

    Al-Qadi, Imad L. / Dessouky, Samer H. / Kwon, Jayhyun et al. | ASCE | 2012
    low-volume pavement design sections were constructed at the University of Illinois Advanced Transportation Research and Engineering Laboratory ...
    Verlag: American Society of Civil Engineers

    Quantification of Coarse Aggregate Angularity Based on Image Analysis

    Rao, Chetana / Tutumluer, Erol / Kim, In Tai | Transportation Research Record | 2002
    University of Illinois Aggregate Image Analyzer, and the procedure was calibrated for two aggregate samples, rounded gravel and crushed stone, which ...
    Verlag: Transportation Research Record

    Pavement Working Platforms Constructed with Large-Size Unconventional Aggregates

    Kazmee, Hasan / Tutumluer, Erol / Beshears, Sheila | Transportation Research Record | 2016
    sources. Nevertheless, laboratory tests are usually inadequate for characterizing the properties and engineering behavior of large-size ...
    Verlag: Transportation Research Record

    Toward Automated Field Ballast Condition Evaluation: Algorithm Development Using a Vision Transformer Framework

    Luo, Jiayi / Huang, Haohang / Ding, Kelin et al. | Transportation Research Record | 2023
    site-specific and detailed geotechnical analyses, development of a reliable, accurate, and cost-effective technique for ballast condition ...
    Verlag: Transportation Research Record

    Aggregate Surface Areas Quantified through Laser Measurements for South African Asphalt Mixtures

    Anochie-Boateng, Joseph K. / Komba, Julius / Tutumluer, Erol | ASCE | 2012
    been the fact that aggregate particles have irregular and nonideal shapes. New research capabilities, including laser-based technology, can ...
    Verlag: American Society of Civil Engineers

    Falling Weight Deflectometer Testing to Determine Relative Damage in Asphalt Pavement Unbound Aggregate Layers

    Donovan, Phillip / Tutumluer, Erol | Transportation Research Record | 2009
    analyzing FWD test data between trafficked and nontrafficked lanes to determine the degradation and rutting potential of flexible pavement unbound ...
    Verlag: Transportation Research Record

    Granular Material Radial Deformation Measurements with a Circumferential Extensometer in Repeated Load Triaxial Testing

    Tutumluer, Erol / Garg, Navneet / Thompson, Marshall R. | Transportation Research Record | 1998

    Determination of both axial and radial specimen strains in a repeated load triaxial test is essential for properly characterizing the

     ...
    Verlag: Transportation Research Record