News & Jobs
News
GeoStructures Offers Concrete Petrography Services!
GeoStructures, Inc. is the proud recipient of the following awards:
Approved
Contractor
GeoStructures is now approved as a PennDOT Prequalified Geotechnical Drilling Contractor.
2021 Project
of the Year
FMC Tower at Cira Center South
Delaware Valley Geo-Institute (DVGI)
2019 Project
of the Year
Subaru of America Campus Headquarters & National Service Training Center, American Society of Civil Engineers (ASCE)
NEW JERSEY SECTION, South Jersey Branch
2007 Project
of the Year
SR 0063, Section 01L
Forty Foot Road & Pedestrian Bridge Improvements, American Society of Highway Engineers (ASHE)
Delaware Valley
2007 Project
of the Year
Under $5 MM
Pottstown Pedestrian Underpass
American Society of Highway Engineers (ASHE)
Delaware Valley
Approved
Contractor
GeoStructures is now approved as a PennDOT Prequalified Geotechnical Drilling Contractor.
2021 Project
of the Year
FMC Tower at Cira Center South Delaware Valley Geo-Institute (DVGI)
2019 Project
of the Year
Subaru of America Campus Headquarters & National Service Training Center, American Society of Civil Engineers (ASCE)
NEW JERSEY SECTION, South Jersey Branch
2007 Project
of the Year
Over $5 MM
SR 0063, Section 01L
Forty Foot Road & Pedestrian Bridge Improvements, American Society of Highway Engineers (ASHE)
Delaware Valley
2007 Project
of the Year
Under $5 MM
Pottstown Pedestrian Underpass American Society of Highway Engineers (ASHE)
Delaware Valley
Jobs
GeoStructures has a technically-rich environment that fosters professional development. We offer competitive salaries and an excellent compensation package including 401(k) plan, medical and dental coverage, life and disability insurance, and tuition reimbursement for advanced graduate studies. Send resume to: info@geostructures.net.
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Geotechnical Project Managers
GeoStructures has immediate openings for energetic, highly-motivated project geotechnical engineers/managers with a minimum of 5 years of experience in subsurface investigations including test boring and test pit supervision, foundation and retaining wall analysis and design, ground improvement techniques, soil laboratory testing, and environmental geotechniques. Experience with the finite element method and soil-structure interaction is a plus.
A strong academic background, creativity, and excellent verbal and written communication skills are required. Successful candidates must have proven leadership skills, a drive for excellence, and ability to work in a team setting. A Master’s degree in geotechnical or structural engineering and professional engineer (PE) registration are required.
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Entry-Level Geotechnical Engineers & Geologists
GeoStructures has immediate openings for energetic, highly-motivated, entry-level geotechnical engineers and geologists with training in subsurface investigations, including test boring and test pit supervision, and good understanding of the various soil and rock types to assist in field explorations.
A strong academic background, creativity, and excellent verbal and written communication skills are required. Successful candidates must have a drive for excellence, ability to work in a team setting, and a capacity for leadership. A Bachelor’s degree in civil engineering or engineering/environmental geology is required.
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Project Geotechnical Engineers
GeoStructures has immediate openings for energetic, highly-motivated, project geotechnical engineers with academic and training experience in subsurface investigations including test boring and test pit supervision, foundation and retaining wall analysis and design, pavement design, ground improvement, soil laboratory testing, and environmental geotechniques. Experience with the Finite Element Method (FEM) and soil-structure interaction is a plus.
A strong academic background, creativity, and excellent verbal and written communication skills are required. Successful candidates must have a drive for excellence, ability to work in a team setting, and a capacity for leadership. A Bachelor’s degree in civil engineering is required and a Master’s degree in geotechnical or structural engineering is preferred.
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Construction QA/QC Field Engineers
GeoStructures is seeking construction quality control field engineers and technicians with an ambition to further their career in the engineering field in all aspects of soil, concrete, masonry, asphalt, and structural steel inspection and testing. A strong technical background and excellent communication skills are required. Potential candidates must have a Bachelor’s or an Associate’s degree in engineering or technology, or the ability to pursue one. Also, an eagerness to learn and obtain required certifications as needed for specific job duties is a must.
Summary of Duties:
- Ability to perform soil, concrete, asphalt, masonry and structural steel testing and inspection services. ACI, NICET and AWS certification preferred but not required.
- Perform moisture/density testing of soil and asphalt; test slump, air content, and mold cylinders of fresh concrete; inspect masonry and grout, bolted/welded connections and fireproofing of structural steel.
- Willingness to learn and follow specific directions (Field Inspectors are required to follow certain building codes and standards for construction practices).
- Monitor work procedures for compliance with project specifications.
- Interact with client representative (supervisors, foremen, project managers, engineers, etc.) at project sites in a professional manner.
- Must be detail-oriented and able to produce daily documentation of work activities.
Basic Required Qualifications:
- Bachelor’s degree in engineering or technology.
- Valid Driver’s License.
- Reliability— must be able to arrive at designated project sites prior to scheduled times.
- Good oral and written communications skills.
- Must pass drug test, background check.
- Ability to work and enjoy working outdoors.
- Ability to lift up to 60 pounds.
- Ability to travel for one to two weeks at a time and be reliable on a daily basis on short notice.
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Staff Engineers
Conduct research and laboratory testing on soil (including classifications, Proctor, CBR, consolidation, direct shear and triaxial compression) and other construction materials such as aggregate (including specific gravity, sieve, soundness) cement & concrete (mix, viscosity, flow table, setting time, and air void using concrete air meter, breaking samples) and asphalt (viscosity, Flash point, penetration and density). Research equipment from various manufacturers to select the optimum ones that meet company’s needs. Review ASTM, AASHTO and other applicable testing standards to develop in-house procedures for asphalt, cement and aggregate lab testing. Work collaboratively with geotechnical design and inspection departments and assist with a wide variety of projects for public and private sector clients. Coordinate with laboratory personnel and assist in soil mechanics and concrete laboratory testing services. Requires: Master’s degree (or foreign equivalent) in Civil Engineering, Construction Engineering, or a related field, plus 2 years of experience in construction materials testing, or teaching and/or research in construction materials testing. Experience must include AutoCAD, concrete air meter and breaking samples. Send resumes to admin@geostructures.net
Publications
BASHAR S. QUBAIN, Ph.D., P.E.
Qubain, B.S., Li, J., and Franceschina, M. (2022). “Dynamic Finite Element Model with Field Calibration.” Geo-Congress, Charlotte, NC.
Qubain, B.S., Seksinsky, E.J., Li, J., Nuzha, K., and Eshete, D.W. (2021). “Drilled Shaft Load Testing During Design.” IFCEE, Dallas, Texas.
Nuzha, K., Li. J., and Qubain, B.S. (2020). “Preloading to Facilitate Shallow Foundations.” Geo-Congress, Minneapolis, Minnesota.
Li, J. and Qubain, B.S. (2017). “Site-Specific Dynamic Analyses: 1-D versus 2-D.” Geotechnical Frontiers 2017 Conference, Orlando, Florida.
Qubain, B.S., Li, J., and K. Nuzha K.E. (2016). “Analysis and Behavior of Double Sheet Pile Cofferdam.” Proceedings of the International Conference on Deep Foundations, Seepage Control and Remediation (41st Annual), New York, NY.
Qubain, B.S., Li, J., and Chang, K.E. (2014). “Cam Clay-Coupled Consolidation Analysis of Field Instrumented Preloading Program.” ASCE Joural of Geotechnical and Geoenvironmental Engineering, Volume 140, Issue 4 (April 2014).
Qubain, B. S., Li, J., and Chang, K.E. (2011). “Dynamic Soil-Structure Interaction of High-G Centrifuge Foundation.”GeoFrontiers 2011 Proceedings, ASCE, Reston, VA.
Qubain, B. S., Heirendt, K. M., and Li, J. (2006). “Quality Assurance and Quality Control Requirements for Lime and Cement Subgrade Stabilization.” ASCE Geotechnical Special Publication No. 154 – Pavement Mechanics and Performance.
Qubain, B. S. and Li, J. (2004). “Analysis and Design of a Braced Sheet Pile Excavation: A Rational Treatment.” Proceedings of 17th ASCE Engineering Mechanics Conference, Newark, DE.
Li, J. and Qubain, B. S. (2004). “Soil Pressure Distribution on Culverts with Various Foundation Yielding Conditions.” Proceedings of 17th ASCE Engineering Mechanics Conference, Newark, DE.
Li, J. and Qubain, B. S. (2003). “Resilient Modulus Variations with Water Content.” ASTM STP 1437, G. N. Durham, A. W. Marr, and W. L. DeGroff, Eds., American Society for Testing and Materials, West Conshohocken, PA.
Qubain, B. S., Kaliakin, V. N., and Martin, J. P. (2003). “Treating Foundation Settlements as Boundary Value Problems.” Proceedings of the 2003 Annual Meeting, Transportation Research Board, Washington, D.C.
Qubain, B. S., Kaliakin, V. N., Martin, J. P. (2003). “Variable Bulk Modulus Constitutive Model for Sand. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 129 (2), 158-162.
Qubain, B.S., Seksinsky, E.J., and Li, J. (2000). “Incorporating Lime Stabilization into Pavement Design.” Journal of the Transportation Research Board, Record No. 1721. National Research Council, Washington D.C.
Qubain, B. S., Kaliakin, V. N., Martin, J. P. (2000). “Interaction of Adjacent Strip and Spread Footings on Sand.” Proceedings of the 14th Engineering Mechanics Symposium. Austin, Texas.
Qubain, B. S., and Li, J. (1998). “Augered Minipiles: A Cost Effective Foundation for Light Structures.” Geotechnical Special Publication 81 – Soil Improvement for Big Digs, A. Maher and D.S. Yang Eds. American Society of Civil Engineers, Boston, MA.
Seksinsky, E. J., and Qubain, B. S. (1998). “An Underpinning Solution to a Persistent Foundation Settlement Problem.” Geotechnical Special Publication 81 – Soil Improvement for Big Digs, A. Maher and D.S. Yang Eds. American Society of Civil Engineers, Boston, MA.
Qubain, B. S., and Seksinsky, E. J. (1998). “An Innovative Foundation in Difficult Subsurface Conditions through Detailed Site Characterization.” Proceedings of the First International Conference on Site Characterization, Atlanta, GA.
Qubain, B. S., Seksinsky, E. J., and Li, J. (1998). “Design Considerations for Bridge Foundations in Karst Terrain.” Proceedings of the 49th Highway Geology Symposium, Prescott, AZ.
Qubain, B. S., Seksinsky, E. J., and Aldin, E. G. (1995). “Techniques to Investigate and Remedy Sinkholes.” Proceedings of the Fifth Multidisciplinary Conference on Sinkholes, Gatlinburg, TN.
JIANCHAO LI, P.E.
Qubain, B.S., Li, J., and Franceschina, M. (2022). “Dynamic Finite Element Model with Field Calibration.” Geo-Congress, Charlotte, NC.
Qubain, B.S., Seksinsky, E.J., Li, J., Nuzha, K., and Eshete, D.W. (2021). “Drilled Shaft Load Testing During Design.” IFCEE, Dallas, Texas.
Nuzha, K., Li. J., and Qubain, B.S. (2020). “Preloading to Facilitate Shallow Foundations.” Geo-Congress, Minneapolis, Minnesota.
Li, J. and Qubain, B.S. (2017). “Site-Specific Dynamic Analyses: 1-D versus 2-D.” Geotechnical Frontiers 2017 Conference, Orlando, Florida.
Qubain, B.S., Li, J., and Chang, K.E. (2014). “Cam Clay-Coupled Consolidation Analysis of Field Instrumented PreloadingProgram.” ASCE Joural of Geotechnical and Geoenvironmental Engineering, Volume 140, Issue 4 (April 2014).
Qubain, B. S., Li, J., and Chang, K. E. (2011). “Dynamic Soil-Structure Interaction of High-G Centrifuge Foundation.” Proceedings of the Geo-Frontiers 2011 Advances in Geotechnical Engineering, March 13-16, 2011, Dallas, TX.
Qubain, B. S., Heirendt, K. M., and Li, J. (2006). “Quality Assurance and Quality Control Requirements for Lime and Cement Subgrade Stabilization.” ASCE Geotechnical Special Publication No. 154 – Pavement Mechanics and Performance.
Qubain, B. S. and Li, J. (2004). “Analysis and Design of a Braced Sheet Pile Excavation: A Rational Treatment.” Proceedings of 17th ASCE Engineering Mechanics Conference, Newark, DE.
Li, J. and Qubain, B. S. (2004). “Soil Pressure Distribution on Culverts with Various Foundation Yielding Conditions.” Proceedings of 17th ASCE Engineering Mechanics Conference, Newark, DE.
Li, J. and Qubain, B. S. (2003). “Resilient Modulus Variations with Water Content.” ASTM STP 1437, G. N. Durham, A. W. Marr, and W. L. DeGroff, Eds., American Society for Testing and Materials, West Conshohocken, PA.
Li, J. and Qubain, B. S. (2002). “Resilient Modulus Variations with Water Content.” ASTM STP 1437, G. N. Durham, A. W. Marr, and W.L. De Groff, Eds., American Society for Testing and Materials, West Conshohocken, PA.
Qubain, B.S., Seksinsky, E.J., and Li, J. (2000). “Incorporating Lime Stabilization into Pavement Design.” Journal of the Transportation Research Board, Record No. 1721. National Research Council, Washington D.C.
Qubain, B. S., and Li, J. (1998). “Augered Minipiles: A Cost Effective Foundation for Light Structures.” Geotechnical Special Publication 81 – Soil Improvement for Big Digs, A. Maher and D.S. Yang Eds. American Society of Civil Engineers, Boston, MA.
Kaliakin, V. N. and Li, J. C. (1995). “Insight into Deficiencies Associated with Commonly Used Zero-Thickness Interface Elements.” Computer and Geotechnics, 17, 225-252.
Li, J. and Kaliakin, V. N. (1994). “Application of Improved Zero-Thickness Interface Element to Geosynthetically Reinforced Soil Structure.” Proceedings of the 8th International Conference of the Association for Computer Methods and Advances.
Li, J. and Hu, R. H. (1990). “Risk Analysis of Jacket Platforms during Installation on Sea.” Journal of China Ocean Engineering, Vol. 4, No. 2, Beijing, pp. 199-207.
ERIC J. SEKSINSKY P.G., P.E.
Qubain, B.S., Seksinsky, E.J., Li, J., Nuzha, K., and Eshete, D.W. (2021). “Drilled Shaft Load Testing During Design.” IFCEE, Dallas, Texas.
Seksinsky, E.J. (2014). “Detailed Geologic Mapping: An Essential Step in Foundation Design for Karst Sites.” Geological Society of America (GSA) Northeastern Section, 49th Annual Meeting, Lancaster, PA, March 24, 2014.
Seksinsky, E.J. (2010). “Sinkholes and Karst Issues in Highways.” ADB Hunan (China) Road Development Project – US Study Tour, King of Prussia, PA, January 19, 2010.
Qubain, B.S., Seksinsky, E.J., and Li, J. (2000). “Incorporating Lime Stabilization into Pavement Design.” Journal of the Transportation Research Board, Record No. 1721. National Research Council, Washington D.C.
Seksinsky, E. J., and Qubain, B. S. (1998). “An Underpinning Solution to a Persistent Foundation Settlement Problem.” Geotechnical Special Publication 81 – Soil Improvement for Big Digs, A. Maher and D.S. Yang Eds. American Society of Civil Engineers, Boston, MA.
Qubain, B. S., and Seksinsky, E. J. (1998). “An Innovative Foundation in Difficult Subsurface Conditions through Detailed Site Characterization.” Proceedings of the First International Conference on Site Characterization, Atlanta, GA.
Qubain, B. S., Seksinsky, E. J., and Li, J. (1998). “Design Considerations for Bridge Foundations in Karst Terrain.” Proceedings of the 49th Highway Geology Symposium, Prescott, AZ.
Qubain, B. S., Seksinsky, E. J., and Aldin, E. G. (1995). “Techniques to Investigate and Remedy Sinkholes.” Proceedings of the Fifth Multidisciplinary Conference on Sinkholes, Gatlinburg, TN.
Ghaith AlHaik, Ph.D., E.I.T.
Abahri, K., Bourdot, A., Langlois, S., and Alhaik, G. (2020). “Impact of the accelerated aging protocols on the hemp concrete durability.” RILEM Spring Convention and Conference, Guimarães, Portugal.
Dubois, V., Leblanc, A., Carpentier, O., Alhaik, G., and Wirquin, E. (2018). “Performances of flax shive-based lightweight composites with rapid hardening.”, Construction and Building Materials 165, 17-27.
Alhaik, G., Dubois, V., Wirquin, E., Leblanc, A., and Aouad, G., (2018). “Evaluate the influence of starch on earth/hemp or flax straws mixtures properties in presence of superplasticizer.” Construction and Building Materials 186, 762-772.
Alhaik, G., Ferreira, M., Dubois, V., Wirquin, E., et al, (2017). “Enhance the rheological and mechanical properties of clayey materials by adding starches.” Construction and Building Materials 139, 602-610.
Alhaik, G., Ferreira, M., Dubois, V., Wirquin, E., et al, (2015). “Rheological and mechanical behavior of earth materials/starch mixes.” Academic Journal of Civil Engineering 33 (2), 368-375.
Daniel W. Eshete, P.G.
Qubain, B.S., Seksinsky, E.J., Li, J., Nuzha, K., and Eshete, D.W. (2021). “Drilled Shaft Load Testing During Design.” IFCEE, Dallas, Texas.
Eshete, D. and Chyi, L.L. (2003). Migration and Natural Attenuation of Sulfate in Areas Adjacent to Abandoned Coal mines in Northeastern Ohio. North-Central Geo. Society of America Annual Mtg., Vol.35, No. 2, p. 16.
Eshete, D. and Chyi, L.L. (2003). Source Identification and Natural Attenuation of Arsenic Contaminated Groundwater in Northeastern Ohio. Geological Society of America Annual Meeting, Abstracts with programs, No. 232-8.
Kamil Nuzha, P.E.
Qubain, B.S., Seksinsky, E.J., Li, J., Nuzha, K., and Eshete, D.W. (2021). “Drilled Shaft Load Testing During Design.” IFCEE, Dallas, Texas.
Nuzha, K., Li. J., and Qubain, B.S. (2020). “Preloading to Facilitate Shallow Foundations.” Geo-Congress, Minneapolis, Minnesota.
Nuzha, K., Li, J., and Qubain, B. (2020). Preloading to Facilitate Shallow Foundations. Proceedings of Geo-Congress 2020: Foundations, Soil Improvement, and Erosion, Minneapolis, MN.
Qubain, B., Li, J., and Nuzha, K., (2016). Analysis and Behavior of Double Sheet Pile Cofferdam. Proceedings of the Intl Conference on Deep Foundations, Seepage Control & Remediation, NY.
Justin M. Roth
Roth, J., Davatzes, N.C., and Davatzes, A. E. K. (2013). “Investigating the Volume and Structure of Porosity in Fractured and Unfractured Rock From the Newberry Volcano, Oregon, USA: Evaluation of Two- and Three- Dimensional Methods.” Geothermal Resources Council Annual Meeting., Vol.37, p. 209.
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Providing state-of-the-art geotechnical engineering services with an unwavering commitment to excellence and innovation.
PennDOT Approved Contractor
GeoStructures is now approved as a PennDOT Prequalified Geotechnical Drilling Contractor. ...
2021 Project of the Year
GeoStructures is the proud recipient of the Delaware Valley Geo-Institute 2021 Project of the...
2019 Project of the Year
GeoStructures is the proud recipient of the American Society of Civil Engineers 2019 Project of...