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Onur Tastan

Geosyntec Contributes to ASDSO Dam Safety 2026 Conference

2026-08-24T11:36:56-06:00August 24th, 2026|Tags: , , , , , , , , , |

Geosyntec practitioners will contribute to the Association of State Dam Safety Officials (ASDSO) Dam Safety 2026 Conference on August 30 through September 3 in Raleigh, North Carolina.

James Barbis Addresses Dam Safety at Clean Currents 2025

2026-03-18T08:17:23-06:00October 7th, 2025|Tags: , , , , , , , |

James Barbis, PE, CFM, will serve on the panel, “Dam Safety: Panel Discussions,” at the National Hydropower Association Clean Currents 2025 conference on Thursday, October 16, 2025, at 3:45 p.m. ET in Pittsburgh, Pennsylvania.

Geosyntec to Contribute to the 2024 Tailings and Mine Waste Conference

2026-09-28T07:46:07-06:00November 5th, 2024|Tags: , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec practitioners will present at the Tailings and Mine Waste 2024 Conference from November 10 through 13, 2024. The event will be held at the Westin Westminster in Westminster, Colorado.

Onur Tastan Presents on Dam Safety at ASDSO Southeast Regional Conference

2026-09-28T08:56:57-06:00April 5th, 2024|Tags: |

Onur Tastan, PhD, PE (North Carolina), will present “Data-Driven Mitigation Strategies for Dam Safety, Emergency Preparedness, and Asset Management” at the Association of State Dam Safety Officials (ASDSO) Southeast Regional Conference at the Knoxville Convention Center in Knoxville, Tennessee, at 3:30 pm EDT on Tuesday, April 9, 2024.

Onur Tastan Coauthored a Paper about Principal Stress Rotation and Intermediate Principal Stress Changes for the Journal of Geotechnical and Geoenvironmental Engineering

2026-03-15T10:23:33-06:00April 4th, 2022|Tags: |

Onur Tastan, Ph.D., PE, M.ASCE (North Carolina) coauthored an article entitled "Effect of Principal Stress Rotation and Intermediate Principal Stress Changes on the Liquefaction Resistance and Undrained Cyclic Response of Ottawa Sand" for publication in the Journal of Geotechnical and Geoenvironmental Engineering on February 22, 2022.

E. Onur Tastan Joins Geosyntec as Principal Geotechnical Engineer

2026-03-15T10:23:32-06:00March 23rd, 2022|Tags: |

E. Onur Tastan, Ph.D., PE, (North Carolina) recently joined Geosyntec Consultants as a Principal Geotechnical Engineer. Onur has more than 13 years of experience as a subject matter expert in geotechnical engineering for nuclear power plants, dams and levees, infrastructure, transportation, landfills, water and wastewater treatment plants, and flood control projects.

Geosyntec to Present at Geo-Congress 2022

2026-03-15T10:23:32-06:00March 18th, 2022|Tags: , , , , , , , , , , , , , , , , , , , |

Geosyntec staff will make a significant technical contribution at Geo-Congress 2022 at the Charlotte Convention Center in Charlotte, North Carolina on March 20 through 23, 2022.

Dams

2026-09-23T09:40:49-06:00January 11th, 2018|Tags: , , , , , , , , , , , , , |

Owners of new and existing dams, dikes, levees, and other hydraulic containment structures depend on consultants with expertise in geotechnical engineering, hydrology and hydraulics, and risk management. They need a reliable provider with a proven track record delivering a wide range of technical solutions.

Overview of Geotechnical and Geological Analysis, Modeling, and Engineering

2026-10-02T12:46:32-06:00November 12th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Clients turn to Geosyntec's nationally recognized geotechnical and geological engineers to develop projects and services that efficiently use geotechnically challenging sites. We apply advanced technologies and leverage our proven practice leadership to provide clients with dependable, cost-effective solutions and customized services while meeting aggressive construction schedules.

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