Cone Head/Knight of the Blade to conquer soils
Geotechnical In-situ Testing by CPTu and DMT
Geotechnical In-situ Testing by CPTu and DMT
Ouyang, Z., & Mayne, P, W, 2023. Evaluating friction angles for clays: piezocone tests versus Atterberg limits. Geotechnical Engineering, Proc. Institution of Civil Engineers. https://doi.org/10.1680/jgeen.22.00135 link to paper
Ouyang, Z., Mayne, P.W. 2021. Variable Rate Piezocone Data Evaluated Using NTH Limit Plasticity Solution. ASTM Geotechnical Testing Journal. Vol. 44 (forthcoming). https://doi.org/10.1520/GTJ20190183.
Ouyang, Z., & Mayne, P. W. 2020. Closure to “Modified NTH Method for Assessing Effective Friction Angle of Normally Consolidated and Overconsolidated Clays from Piezocone Tests” by Zhongkun Ouyang and Paul W. Mayne. Journal of Geotechnical and Geoenvironmental Engineering, 146(9),https://doi.org/10.1061/(ASCE)GT.1943-5606.0002340 . Link to PDF
Ouyang, Z., Mayne, P.W. 2020. Effective stress friction angle of normally consolidated and overconsolidated intact clays from piezocone tests. Geotechnical Engineering Journal of the SEAGS & AGSSEA. Link to PDF
Ouyang, Z., Mayne, P.W. 2019. Modified NTH method for assessing the effective friction angle of normally-consolidated and overconsolidated clays from piezocone tests. ASCE Journal of Geotechnical and Geoenvironmental Engineering, 145(10) Link to PDF
Agaiby, S., Ouyang, Z. Mayne, P.W. 2018. Helical probe tests in residual soils of the Appalachian Piedmont. Geomechanics and Geoengineering, DOI: 10.1080/17486025.2018.1434244 Link to PDF
Ouyang, Z. and Mayne, P.W. 2018. Effective Stress Strength Parameters of Clays from DMT. Geotechnical Testing Journal, Vol. 41, No. 5, pp. 851-867, https://doi.org/10.1520/GTJ20170379. ISSN 0149-6115 Link to PDF
Ouyang, Z., Mayne, P.W. 2018. Effective Friction Angle of Clays and Silts from Cone Piezocone Penetration Tests. Canadian Geotechnical Journal,55(9): 1230-1247, https://doi.org/10.1139/cgj-2017-0451 (selected as "Editor's Choice", open access) Link to PDF
Ouyang, Z., Mayne, P.W. 2017. Effective Friction Angle of Soft to Firm Clays from Flat Dilatometer Tests. Geotechnical Engineering. Vol. 170 (2) Proc. Institution of Civil Engineers, London: 137-147 Link to PDF
Ouyang, Z., Mayne, P.W. & Sharp, J. 2016. Review of clay chamber tests using miniature cone and piezocone penetrometers, Proc. GeoVancouver 2016, (69th Canadian Geotechnical Conference): www.cgs.ca
Ouyang, Z., Mayne, P.W. 2016. New DMT method for evaluating soil unit weight in soft to firm clays, Proc. ISC-5, (5th international conference on geotechnical and geophysical site characterization): www.isc5.com.au Link to PDF
Ouyang, Z., Mayne, P.W. 2017. Spherical cavity expansion nexus between CPTu and DMT in soft-firm clays. Proceedings of the 19th International Conference on Soil Mechanics and Geotechnical Engineering, Seoul: www.icsmge2017.org Link to PDF
Ouyang, Z., Mayne, P. W. 2018. Calibration of NTH method for friction angle using centrifuge CPTUs in clays. 4th International Symposium CPT’18-Cone Penetration Testing: www.cpt18.org Link to PDF
Ouyang, Z., Mayne, P. W. 2019. Evaluating rigidity index, OCR, and su from dilatometer data in soft to firm clays. Proceedings, 16th Panamerican Conference on Soil Mechanics and Geotechnical Engineering, Cancun. Mexican Geotechnical Society, (in review): www.issmge.org
Ouyang, Z., Mayne, P.W. 2020. Modified NTH solution for overconsolidated fissured clays, Proc. Sixth International Conference on Geotechnical and Geophysical Site Characterization ISC-6
Mayne, P.W., Agaiby, S., Ouyang, Z. 2020. Analytical effective stress piezocone methods for assessing geoparameters of offshore clay, Proc. 4th International Symposium on Frontiers in Offshore Geotechnics
Secured proposal funding with Prof. Paul Mayne on the following proposal:
Illinois Center for Transportation: Cone Penetration Testing (CPT) for Illinois Subsurface Characterization and Geotechnical Design- $500,000
Ouyang, Z. (2021) "Effective Stress Strength of Fine Grain Geomaterials from In-Situ Testing" – Research Seminar at University of New Haven (5/2021)
Ouyang, Z. (2021) " Versatility of In-situ Testing in Offshore Geotechnical Engineering" – Research Seminar at Shenzhen University (5/2021)
Ouyang, Z. (2021) " Versatility of In-situ Testing in Offshore Geotechnical Engineering" – Research Seminar at Sun Yat-sen University (4/2021)
Ouyang, Z. (2021) "Effective Stress Strength of Fine Grain Geomaterials from In-Situ Testing" – Research Seminar at University of Houston (2/2021)
Ouyang, Z. (2021) "Versatility of In-situ Testing in Fine Grain Geomaterial Strength Evaluation", Global Scientist Interdisciplinary Online Forum – Ocean Session at Southern University of Science and Technology (SUSTech) (1/2021)
Ouyang, Z. (2020) "An Effective Stress Framework Based Analysis of Clays Using In-Situ Testing" Civil Engineering Seminar at Department of Civil Engineering, University of British Columbia (4/2020)
Ouyang, Z. (2019) “Effective Stress Strength Parameter of Clays Evaluated from CPTu and DMT” Geotechnical Seminar at School of Civil and Construction Engineering, Oregon State University. (11/2019)
Ouyang et al. (2019) “Cone Penetration Testing for Transportation Projects”. Poster presentation at 7th Annual Transportation Research Expo by Georgia Department of Transportation and Georgia Transportation Institute. (09/2019)
Ouyang, Z. (2018) “Calibrating NTH method for effective stress friction angle in clayey soils using centrifuge CPTu”. Poster presentation at 2nd Annual Fall Geotechnical Student Poster Symposium at Georgia Tech. (11/2018)
Speaker and panel moderator at IS-Atlanta Symposium: Geo-Mechanics from Micro to Macro in Research and Practice, Academy of Medicine, Atlanta, GA (09/2018)
Ouyang, Z. (2018) “Calibrating NTH method for effective stress friction angle in clayey soils using centrifuge CPTu” Poster presentation on Fourth International Symposium on Cone Penetration Testing (CPT’18), Technical University of Delft, The Netherlands (06/2018)
Ouyang, Z. (2017) “Effective stress strength parameters of clays and silts from CPTu”, Poster presentation at the Atlanta ASCE G-I Section Meeting, held at GT Geosystems Engineering, Georgia Tech (11/2017)
Speaker at the ISC-5, “New DMT method for evaluating soil unit weight in soft to firm clays” Fifth International Conference on Geotechnical and Geophysical Site Characterization, Gold Coast, Australia (Technical Session 4, 09/05/2016-09/09/2016)
Ouyang, Z. (2015) “Methodology for evaluating the undrained shear strength profile of offshore clays from CPTu”. Poster presentation at the 17th George F. Sowers Symposium, held in Atlanta, GA (05/2014)
Attendee at the ASCE Geo-Congress: Geo-Characterization and Modeling for Sustainability held at the Westin Peachtree Plaza Hotel, Atlanta, GA (02/2014)
Student team leader of Visiting Camp to the WenChuan Earthquake relics organized by the College of Engineering of the University of Hong Kong (05/2013)