Lutenegger, A.J., Khalili, J. and Orszulak, T., 2015. “Tension Tests on Driven H-Piles in Sand and Clay”.Proceedings of the IFCEE, pp.

Lutenegger, A.J. and Khalili, J., 2015. “Uplift Resistance of Coated Driven Steel Piles”.  Proceedings of theIFCEE, pp.

Lutenegger, A.J., 2015. “Load Tests on Grouted Shaft Helical Micropiles in Some U.K. Soils”. Proceedings of the 16th European Conference on Geotechnical Engineering, pp.

Lutenegger, A.J., 2015. “Dilatometer Tests in Sensitive Champlain Sea Clay: Stress History and Shear Strength”. Proceedings of the 3rd International Conference on the Dilatometer.

Lutenegger,  A.J.  and  Tsuha,  C.,  2015.  “Evaluating  Installation  Disturbance  from  Helical  Piles  and Anchors Using Compression and Tension Tests”.  Proceedings of the 11th  Pan American Conference on Soil Mechanics and Geotechnical Engineering.

Saye, S.R., Lutenegger, A.J., Brown, D. and Kumm, B., 2015. “The Influence of Sample Disturbance on Empirical Driven Pile Side Resistance Correlations Based on Laboratory Strength Testing in Cohesive Soils”. submitted to ASCE Journal of Geotechnical and Geoenvironmental Engine ering.

Saye, S.R., Kumm, B. and Lutenegger, A.J.,  2015. “Estimating the OCR in Cohesive Soil with Field Vane Tests Using Normalized Soil Properties: an Updated Approach Including Sensitive Cemented Soils”. submitted to ASCE Journal of Geotechnical and Geoenvironmental Engineering.

Lutenegger, A.J., 2015.  “Uplift of Single-Helix Screw-Piles in Sand and Clay for Solar Panel Foundations”. submitted to Canadian Geotechnical Conference.

Lutenegger, A.J. and Ruberti, M., 2015.   “Installation Torque Study of Helical Piles in Clay and Sand”. submitted to Canadian Geotechnical Conference.

Lutenegger, A.J., Erikson, J. and   Williams, N., “Evaluating Installation Disturbance of Helical Anchors in Clay from Field Vane Tests”. Proceedings of the 39th Annual Deep Foundations Institute Conference, pp.

Lutenegger, A.J., 2014. “Geochemistry and Geotechnical Characteristics of London Clay from Heathrow Airport”.  Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, Vol. 2, pp. 1261-1266.

Lutenegger, A.J., 2014. “Aging Mechanism of Driven and Jacked Pipe Piles in Clays”. Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, Vol. 2, pp. 1605-1610.

Lutenegger, A.J., 2013. “Helical Screw-Piles: Alternative Support for Post-Frame Buildings”. Frame Building News, January, pp. 50-55.

Lutenegger, A.J., 2013. “Field Response of Push-In Earth Pressure Cells for Instrumentation and Site Characterization of Soils”. Geotechnical Engineering Journal of the Southeast Asian Geotechnical Society, Vol. 43, No. 4, pp. 24-33.

Lutenegger, A.J., Robson, D. and Mohan, P., 2013. “Preservation of Historic Structures and Monuments Using Minimally Invasive Screw-Piles and Helical Anchors – Two Cases”. Proceedings of the 2nd International Symposium on Geotechnical Engineering for the Preservation of Monuments and Historic Sites, Naples, Italy, pp. 515-522.

Lutenegger, A.J. and Adams, M.T., 2013. “Axial Load Response of Full-Scale GRS Bridge Piers”. Proceedings of the International Symposium on Design and Practice of Geosynthetic-Reinforced Soil Structures, Bologna, Italy, pp. 105-115.

Lutenegger, A.J.,  2013. “Historical Application of Screw-Piles and Screw-Cylinder Foundations for 19th Century Ocean Piers”. Proceedings of the 7th International Conference on Case Histories in Geotechnical Engineering, Chicago, Illinois.

Lutenegger, A.J., 2013.  “Underpinning a Residential Structure on Uncontrolled Fill with Helical Screw-Piles”. Proceedings of the 7th International Conference on Case Histories in Geotechnical Engineering, Chicago, Illinois.

Saye, S.R., Lutenegger, A.J., Santos, J. and Kumm, B.P., 2013. “Assessing the OCR in Soil with the Piezocone: Referencing Soil Index Properties”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 139, No. 7, pp. 1075-1085.

Saye, S.R., Brown, D.A. and Lutenegger, A.J., 2013. “Assessing the Adhesion of Driven Pipe Piles in Clay Using an Adaptation of the SHANSEP Concept”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 139, No. 7, pp. 1062-1074.

Lutenegger, A.J., 2013. “Review of Large-Scale Field Tests on Screw-Piles and Helical Anchors”. Proceedings of the 1st International Geotechnical Symposium on Helical Foundations, pp. 46-66.

Lutenegger, A.J., 2013. “Factors Affecting Torque Correlations for Screw-Piles and Helical Anchors”. Proceedings of the 1st International Geotechnical Symposium on Helical Foundations, pp. 211-224.

Lutenegger, A.J., 2013. “Uplift of Shallow Screw-Piles in Sand and Clay”. Proceedings of the 1st International Geotechnical Symposium on Helical Foundations, pp. 200-210.

Lutenegger, A.J., 2012. “Collapse “Sensitivity” of Midcontinent and Lower Mississippi Valley Loess”. Proceedings of GeoCongress 2012, ASCE, Oakland, Ca.

Lutenegger, A.J., 2012. “Tension Tests on Driven Fin Piles for Support of Solar Panel Arrays”. Proceedings of GeoCongress 2012, ASCE, Oakland, Ca.

Lutenegger, A.J., 2012. “Immediate Modification of Clays with Quicklime: Alteration of Grain-Size Distribution”. Proceedings of the International Symposium on Ground Improvement, Brussels, Belgium.

Lutenegger, A.J., 2012. “A Push-In Earth Pressure Cell for Estimating Soil Properties”, Proceedings of the 4th International Geotechnical Symposium on Site Characterization, Recife, Brazil.

Lutenegger, A.J. and Seider, G.L., 2012. “Profiling Subsurface Stratigraphy Using Torque Measurements from Installation of a Helical Plate”. Proceedings of the 4th International Geotechnical Symposium on Site Characterization, Recife, Brazil.

Arwade, S., Kelton, S. and Lutenegger, A.J., 2010. “Variability of the Mechanical Properties of Wrought Iron from Historic American Truss Bridges”.  Journal of Materials in Civil Engineering, ASCE. Vol. 23, No. 5, pp. 638-647.

Lutenegger, A.J., 2011. “Behavior of Multi-Helix Screw Anchors in Sand”. Proceedings of the 14th Pan-American Conference on Geotechnical Engineering, Toronto, Canada.

Lutenegger, A.J., 2011. “Behavior of Grouted Shaft Helical Anchors in Clay”. Journal of the Deep Foundations Institute, Vol. 5, No. 1, pp. 63-74.

Lutenegger, A.J., 2011. “Historical Use of Underexcavation for Stabilizing Leaning Structures”.  Proceedings of the International Journal of Geotechnical Engineering, Vol. 5, No. 3, pp. 329-342.

Lutenegger, A.J., 2011. “Historical Development of Screw-Pile Foundations: 1836 – 1900”.  International Journal for the History of Engineering and Technology, Vol. 81, No. 1, pp. 108-128.

Lutenegger, A.J., 2010. “Using Helical Screw-Piles for Upgrading Existing Foundations for Urban Revitalization”.  Proceedings of the International Symposium on Geotechnical Issues in Urban Regeneration, London, England.

Chang, C.S., Cerato, A.B. and Lutenegger, A.J., 2010. “Modeling the Scale Effect of Granular Media for Strength and Bearing Capacity”. Journal of Pavement Engineering, Vol. 11, No. 5, pp. 343-353.

Lutenegger, A.J., 2010. “Shaft Resistance of Grouted Helical Micropiles in Clay”, Proceedings of the International Conference on Micropiles, Washington, D.C.

Lutenegger, A.J., 2009. “Cylindrical Shear or Plate Bearing?  – Uplift Behavior of Multi-Helix Screw Anchors in Clay”. Contemporary Issues in Deep Foundations, ASCE, GSP 185, pp. 456-463.

Lutenegger, A.J., 2009. “Estimating Shaft Resistance of Driven Piles from SPT-Torque Tests”. Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations, ASCE GSP 186, pp. 9-17.

Lutenegger, A.J., 2009. Cylindrical Shear or Plate Bearing?  – Uplift Behavior of Multi-Helix Screw Anchors in Clay. Contemporary Issues in Deep Foundations, ASCE, GSP 185, pp. 456-463.

Lutenegger, A.J., 2009. Estimating Shaft Resistance of Driven Piles from SPT-Torque Tests. Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations, ASCE GSP 186, pp. 9-17.

Lutenegger, A.J. and Kempker, J., 2009. Screw Piles Come of Age – Again. Structural Engineer, April, pp. 26-29.

DeGroot, D.J. and Lutenegger, A. J., 2009. Geology and Engineering Behavior of Connecticut Valley Varved Clay. Geo-Strata, Vol. 13, No. 4, pp. 16-19.

Lutenegger, A.J., “Historical Development of Screw-Pile Foundations: 1836 – 1900”, accepted for Transactions of the Newcomen Society.

Lutenegger, A.J., “Historical Use of Underexcavation for Stabilizing Leaning Structures, submitted to Geotechnique.

 

Recent Conference Proceedings

“Screw-Piles and Helical Anchors – A Legacy in Civil Engineering”. DFI Annual Helical Piles and Tiebacks Seminar, April 3, 2014, St. Louis, Mo.

“Screw-Piles, Helical Anchors and Soil Mechanics – Where are We?” Kansas City ASCE Specialty Geotechnical Seminar, January 10, 2014, Kansas City, Mo.

“Preservation of Historic Structures and Monuments Using Minimally Invasive Screw-Piles and Helical Anchors – Two Cases”. 2nd International Symposium on Geotechnical Engineering for the Preservation of Monuments and Historic Sites, May 30, 2013, Naples, Italy.

 “Past, Present and Future of Helical Foundations”. 30th Annual Geotechnical Seminar, Omaha Section ASCE, February 8, 2013, Omaha, Ne.

“Past, Present and Future of Helical Foundations in Civil Engineering Construction”. Massachusetts Building Inspector’s Association Annual Meeting, February 21, 2013, Woburn, Ma.

“Field Studies of the Behavior of Screw-Piles and Helical Anchors”. Syracuse University, April 13, 2012, Syracuse, N.Y.

“Design of Helical Foundations”. Chance-Hubbell Power Systems Civil Engineering Academy, Nov. 16, 2011, Lawrenceville, Ga.

“Historical Development of Screw-Pile Foundations”. Chance Helical Foundations Academy, Foundation Technologies, Inc., December 9, 2011, Atlanta, Ga.

“Standard Penetration Test with Oversized Equipment”, National Drillers Association National Meeting, September 30, 2010, St. Louis, Mo.

Lutenegger, A.J., 2012. “Collapse Sensitivity of Midcontinent and Lower Mississippi Valley Loess”. ASCE GeoCongress 2012, San Francisco, Ca.

Lutenegger, A.J., 2012. “Tension Tests on Driven Fin Piles for Support of Solar Panel Arrays”. ASCE GeoCongress 2012, San Francisco, Ca.

Lutenegger, A.J., 2012. “Immediate Modification of Clays with Quicklime: Alteration of Grain-Size Distribution”. Proceedings of the International Symposium on Ground Improvement, Brussels, Belgium.

Lutenegger, A.J., 2010. Using Helical Screw-Piles for Upgrading Existing Foundations for Urban Revitalization, Proceedings of the International Symposium on Geotechnical Issues in Urban Regeneration, London, England.

Lutenegger, A.J. and Powell, J.J.M., “Borehole Shear Tests in Stiff London and Gault Clay”, Proceedings of the 3rd International Symposium on Site Characterization.

Lutenegger, A.J., “The Standard Penetration Test – More Than Just a One Number Test”, Proceedings of the 3rd International Symposium on Site Characterization.

Lutenegger, A.J. and Rubin, A., “Tensile Strength of Some Compacted Fine-Grained Soils”, Proceedings of the 1st European Conference on Unsaturated Soils.

Lutenegger, A.J. and Kempker, J. H., “Preservation of Historic Structures Using Screw-Pile Foundations” Proceedings of the 6th International Conference on Structural Analysis of Historical Constructions.

Lutenegger, A.J., “Tension Tests on Single-Helix Screw-Piles in Clay” Proceedings of the 2nd British Geotechnical Association International Conference on Foundations.

Lutenegger, A.J., 2007. “Schmertmann’s Swell Sensitivity – Revisited”, Proceedings of the ASCE Special Symposium honoring Dr. J. H. Schmertmann.

Kelley, S.P. and Lutenegger, A.J., “Comparison of In Situ Tests to Determine Properties of a Deltaic Sand”, Proceedings of the 2nd International Symposium on Geotechnical Site Characterization, Porto, Portugal, Vol. 2, pp. 1662-1671.

Cerato, A.B and Lutenegger, A.J. 2006. “Shrinkage of Clays”. Proceedings of the 4th International Conference on Unsaturated Soils, ASCE, Vol. 1, pp. 1097-1108.

Lutenegger, A. J., 2006. “Flat Dilatometer Method for Estimating Bearing Capacity of Shallow Foundations on Sand”, Proceedings of the 2nd International Conference on the Flat Dilatometer, pp.334-340.

Lutenegger, A. J., 2006. “Consolidation Lateral Stress Ratios in Clay from Flat Dilatometer”, Proceedings of the 2nd International Conference on the Flat Dilatometer, pp.327-333.

Lutenegger, A. J., 2006. “Cavity Expansion Model to Estimate Undrained Shear Strength in Clay from Dilatometer”, Proceedings of the 2nd International Conference on the Flat Dilatometer, pp.319-326.

Lutenegger, A. J., 2005. “Iron Pipe Bridges of Charles H. Ball”, Society for Industrial Archeology Newsletter, Vol. 14, No. 4, pp. 18-19.

Cerato, A. B. and Lutenegger, A.J., 2005. “Activity, Relative Activity and Specific Surface Area of Fine- Grained Soils”. Proceedings of the 16th International Conference on Soil Mechanics and Foundation Engineering, Vol. 2, pp. 325-328.

Kelley, S.P. and Lutenegger, A.J., 2004. “Determination of Unit Pile Skin Friction in a Sand Deposit Using In Situ Tests”, Proceedings of the 2nd International Symposium on Geotechnical Site Characterization”, Porto, Portugal, Vol. 2, pp. 1489-1497.

Cerato, A.B. and Lutenegger, A.J., 2004. “Disturbance Effects of Field Vane Tests in a Varved Clay” Proceedings of the 2nd International Symposium on Geotechnical Site Characterization, Porto, Portugal, Vol. 1, pp. 861-867.

Lutenegger, A.J. and Dearth, A., 2004.  “Influence of Ground Water Table Fluctuation on Lateral Load Behavior of Rigid Drilled Shafts in Clay Crust”, GeoSupport 2004, Orlando, Fla., pp. 395-404.

Lillis, C., Lutenegger, A.J., and Adams, M., 2004. “Uplift and Compression Tests on Rammed Aggregate Piers in Clay”, Geosupport 2004, Orlando, Fla., pp. 497-507.

Lutenegger, A.J., “Low Energy Compacted Grout Micropiles”, GeoSupport 2004, Orlando, Fla., Feb., 2004, pp. 146-157.

 

Recent Research Contracts Funded

“Researching Alternatives for Photovoltaic Implementation to Preserve Farmland While Developing New Solar Energy Production” USDA, $50,000, Co-PI with Dr. Stephen Herbert.

“Field Load Tests of Foundations for Solar Panel Arrays”, Diversified Construction, Inc. $3000

“Research on Screw-Piles & Helical Foundations”; Hubbell Power Corporation/Chance Civil Construction, $16,500 plus $8000 in kind donation of Screw-Pile Materials.

“Adaptive Use of Historic Truss Bridges for Civil Engineering Instruction”, 6/1/08 – 6/1/10, National Science Foundation, $149,771 (Co-PI with Sanjay Arwade)

“Civil and Environmental Engineering in Our World” – Summer Instruction Course for Massachusetts Middle School Science Teachers, 6/1/07 – 8/31/09, Massachusetts Board of Higher Education, $126,032.

“Full-Scale Pilot Study to Reduce Lateral Stresses in Retaining Structures Using GeoFoam”, 1/1/06 – 12/31/07, Vermont Agency of Transportation, $84,624.

“Development and Implementation of Early Detection Systems for Ground Movement”, 7/1/05 – 6/30/07, Vermont Agency of Transportation, $104,953 (Co-PI with D.J. DeGroot).

“In Situ Testing”, 5/20/05 – 12/31/07, Massachusetts Highway Department, $169,360 (Co-PI with D.J. DeGroot).

Krage, C., Price, A., Lukas, W., DeJong, J.T., DeGroot, D.J., and Boulanger, R. 2010. "Slurry Deposition Method of Low Plasticity Intermediate Soils for Laboratory Element Testing." Geotechnical Testing Journal. In press.

DeGroot, D.J., Lunne, T., Ghanekar, R., Knudsen, S., Jones, C.D. Yetginer?Tjelta, T.I. (2019). "Engineering properties of low to medium overconsolidation ratio offshore clays. AIMS Geosciences. Special Issues: Characterization and Engineering Properties of Natural Soils used for Geotesting. Vol. 5(3): 535?567. doi: 10.3934/geosci.2019.3.535.

Blaker, Ø., Carroll, R., Paniagua, P. DeGroot, D.J., and L'Heureux, J-S. (2019). Halden research site: geotechnical charaterisation of a post glacial silt. AIMS Geosciences. Special Issues: Characterization and Engineering Properties of Natural Soils used for Geotesting. Vol. 5(2): 184?234. 184?234. doi: 10.3934/geosci.2019.2.184

DeGroot, D.J., Landon, M.E., and Poirier, S.E. (2019). Geology and engineering properties of sensitive Boston Blue Clay at Newbury, Massachusetts. AIMS Geosciences. Special Issues: Characterization and Engineering Properties of Natural Soils used for Geotesting. Vol. 5(3): 412?447. doi: 10.3934/geosci.2019.3.412.

Fontana, C., Myers, A., Aubeny, C., DeGroot, D.J., Landon, M., Arwade, S., and Hallowell, S. (2019). "Spatial Coherence of Ocean Waves in Multiline Anchor Systems for Floating Offshore Wind Turbines." Ocean Engineering. 184(15): 59?73. doi: 10.1016/j.oceaneng.2019.04.048

Ma, F., Song, J., Luo, S., DeGroot, D.J., Bai, X., Zhang, G. (2019). "Distinct response of nanostructured layered muscovite to uniform and nonuniform straining" Journal of Materials Science. Vol. 54(2): 1077- 1098. doi: 10.1007/s10853-018-2887-y.

Lukas, W.G., DeGroot, D.J., DeJong, J.T., Krage, C.P. and Zhang, G. (2019). "Undrained Shear Behavior of Low-Plasticity Intermediate Soils Under Simulated Tube Sampling Disturbance." Journal of Geotechnical and Geoenvironmental Engineering. Vol 45(1). doi: 10.1061/(ASCE)GT.1943?5606.0001967

Fontana, C.M., Arwade, S.R., DeGroot, D.J., Hallowell, S.T., Landon, M.E., Aubeny, C.P., Diaz, B.S., Myers, A.T., Hajjar, J.F., Ozmutlu, S. (2018). "Multiline anchor force dynamics in offshore wind farms with OC4 floating system." Wind Energy. Vol 21(11):1177-1190.

DeJong, J.T., Krage, C.P, Albin, B.A., and DeGroot, D.J. (2018). "A Work Based Framework for Sample Quality Evaluation of Low Plasticity Soils." Journal of Geotechnical and Geoenvironmental Engineering, Vol. 44(10). doi: 10.1061/(ASCE)GT.1943-5606.0001941.

Hallowell, S.T., Arwade, S.R., Fontana, C.M., DeGroot, D.J., Aubeny, C.P., Diaz, B.S., Myers, A.T., and Landon, M.E. (2018). "System Reliability of Floating Offshore Wind Farms with Multiline Anchors." Ocean Engineering. Vol 160(July): 94-104. https://doi.org/10.1016/j.oceaneng.2018.04.046.

Hamin, E.M., Abunnasr, Y., Dilthey, M.R., Judge, P.K., Kenney, M.A., Kirshen, P., Sheahan, T.C., DeGroot, D.J., Ryan, R.L., McAdoo, B.G., Nurse, L., Buxton, J.A., Sutton-Grier, A.E., Albright, E.A., Marin, M.A. and Fricke, R. (2018). "Pathways to Coastal Resiliency: The Adaptive Gradients Framework." Sustainability. Special Issue on Sustainable Use of the Environment and Resources. Vol 10(8). doi.org/10.3390/su10082629.

Landon, M.E., Marchetti, C., DeGroot, D.J. (2018). "Constant Rate of Strain Consolidation Testing of Saturated Clays without Back Pressure Saturation." Geotechnical Testing Journal, Vol. 41(2), doi.org/10.1520/GTJ20170030.

Ostendorf, D.W., Lukas, W.G., and DeGroot, D.J., "Partially Penetrating Purge Tests in an Unweathered Till Layer." Hydrology Research, 2016.

Fontana, C., Carswell, W., Arwade, S., DeGroot, D.J., and Myers, A. "Sensitivity of the dynamic response of monopile‐supported offshore wind turbines to structural and foundation damping." Wind Engineering, 2016.

Carswell, W., Arwade, S.R., DeGroot, D.J., and Myers, A.T. "Natural Frequency Degradation and Permanent Accumulated Rotation for Offshore Wind Turbine Monopiles in Clay." Renewable Energy, 2016.

Lukas, W.G., DeGroot, D.J., Ostendorf, D.W., and Hinlein, E.S. (2015). "Multi‐Scale Hydrogeologic Characterization of a Leaky Till Mantled Fractured Bedrock Aquifer System." Canadian Geotechnical Journal. 10.1139/cgj‐2014‐0296.

Carswell, W., Johansson, J. Lovholt, F., Arwade, S.R., Madshus, C., DeGroot, D.J. and Myers, A.T. (2015). "Foundation Damping and the Dynamics of Offshore Wind Turbine Monopiles." Renewable Energy.

Carswell, W., Arwade, S.R., DeGroot, D.J., Lackner, M.A. (2014). "Soil‐Structure Reliability of Offshore Wind Turbine Monopile Foundations." Wind Energy. doi: 10.1002/we.1710.

Rotaru, C., Ostendorf, D.W. and DeGroot, D.W. (2014). "Chloride dispersion across silt deposits in a glaciated bedrock river valley." Journal of Environment Quality. Vol. 43, No. 2, pp. 459‐467.

Zhang, G., Yin, H., and DeGroot, D.J. (2013). "Thixotropism of micron‐sized saltwater clay flocs." Geotechnique Letters, Vol. 3, Oct‐Dec, pp. 162‐165.

Judge, A., Ostendorf, D.W., DeGroot, D.J. and Zlotnik, V.A. (2013). "Pneumatic Permeameter for Transient Tests on Coarse Gravel." Journal of Hydrologic Engineering. Vol. 19, No. 2, pp. 319‐327.

DeGroot, D.J., Ostendorf, D.W., and Judge, A. (2012). "In situ measurement of hydraulic conductivity of saturated soils." Geotechnical Engineering Journal of the SEAGS & AGSSEA, Vol. 43, No.4, pp. 63‐71.

Low,H.E.,Landon‐Maynard,M.L.,Randolph,M.F.,andDeGroot,D.J.(2012).Closure to "Geotechnical Characterization and engineering properties of Burswood clay."

Géotechnique.Vol.62,No.7,653‐656.DeGroot,D.J.,Ostendorf,D.W.,and Judge, A.(2012)."In situ measurement of hydraulic conductivity of saturated soils." Geotechnical Engineering Journal of The SEAGS&AGSSEA,Vol.43, No.4,pp.63‐71.

Judge,A., Ostendorf, D.W., DeGroot, D.J. and Zlotnik,V.A.(2013)."Pneumatic Permeameter for Transient Tests on Coarse Gravel."Journal Of Hydrologic Engineering.Vol.19,No.2,pp.319‐327.

Zhang,G.,Yin,H.,and DeGroot,D.J. (2013). "Thixotropism of micron‐sized saltwater clay flocs." Geotechnique Letters,Vol.3,Oct‐Dec,pp.162‐165.

Rotaru,C.,Ostendorf,D.W.and DeGroot,D.W.(2014)."Chloride dispersion acros silt deposits in a glaciated bedrock river valley."Journal of Environment Quality. Vol.43,No.2,pp.459‐467.

Carswell,W.,Arwade,S.R.,DeGroot,D.J.,Lackner,M.A.(2014)."Soil‐StructureReliability  of Off shore Wind Turbine Monopile Foundations." WindEnergy.doi:10.1002/we.1710.

Lukas,W.G.,DeGroot,D.J.,Ostendorf,D.W.,andHinlein,E.S.(2015)."Multi Scale Hydrogeologic Characterization of a Leaky Till Mantled Fractured Bedrock Aquifer System."Canadian Geotechnical Journal. In press.

Carswell,W.,Johansson,J.Lovholt,F.,Arwade,S.R.,Madshus,C.,DeGroot,D.J.andMyers,A.T.(2015)."Foundation Damping and the Dynamics of Offshore Wind Turbine Monopiles." Renewable Energy.In Press

DeJong, J., DeGroot, D., and Yafrate, N. (2012). Closure to "Evaluation of Undrained Shear Strength Using Full-Flow Penetrometers." Journal of Geotechnical and Geoenvironmental Engineering. Vol. 138, No. 6, pp. 765-767.

Low, H.E., Landon-Maynard, M.L., Randolph, M.F., and DeGroot, D.J. (2012). Closure to "Geotechnical characterisation and engineering properties of Burswood clay." Géotechnique. Vol. 62, No. 7, pp. 653-656.

Low, H.E., Landon, M.M., Randolph, M.F. and DeGroot, D.J. (2010). "Geotechnical characterisation and engineering properties of Burswood Clay." Géotechnique. In press.

DeJong, J.T., Yafrate, N. and DeGroot, D.J. (2010). "Evaluation of undrained shear strength using full flow penetrometers." Journal of Geotechnical and Geoenvironmental Engineering, In press.

Ostendorf, D.W. and DeGroot, D.J. (2010). "Slug tests in the presence of background head trends." Groundwater. Vol. 48,   No. 4, pp. 609-613.

Poirier, S.E. and DeGroot, D.J. (2010). "Development of a portable probe for field and laboratory measurement of low to medium values of soil suction." Geotechnical Testing Journal. Vol. 33, No. 3, pp. 253-260.

DeJong, J., Yafrate, N., DeGroot, D.J., and Randolph, M.F. (2010). "Recommended practice for full-flow penetrometer testing and analysis."Geotechnical Testing Journal. Vol. 33, No. 2, pp. 137-149.

Ostendorf, D.W., DeGroot, D.J., Judge, A.I., and LaMesa, D. (2010). "Method to characterize aquitards above leaky aquifers with water supply wells." Hydrogeology Journal. Vol. 18, No. 3. pp. 595-605.

Yafrate, N., DeJong, J., DeGroot, D.J. and Randolph, M. (2009). "Evaluation of remolded shear strength and sensitivity of soft clay using full flow penetrometers." Journal of Geotechnical and Geoenvironmental Engineering, Vol. 135, No. 9, pp. 1179-1189.

Ostendorf, D.W., Zlotnik, V.A. and DeGroot, D.J. (2009). "A linear theory of slug tests with annular effects." Journal of Hydrology. Vol. 368, No. 4, pp. 205-213.

Landon, M.M., DeGroot, D.J., Sheahan, T.C. (2007). "Non-Destructive sample quality assessment using shear wave velocity." Journal of Geotechnical and Geoenvironmental Engineering. Vol. 133, No. 4, pp. 424-432.

DeJong, J.T., Yafrate, N.J., DeGroot, D.J. (2007). "Design of a miniature piezoprobe for high resolution stratigraphic profiling." Geotechnical Testing Journal, Vol. 30, No. 4, DOI: 10.1520/GTJ100592.

Ostendorf, D.W., DeGroot, D.J. and Dunaj, P.J. (2007). "Waterhammer dissipation in pneumatic slug tests." Water Resources Research, Vol. 43, W02413, DOI:10.1029/2005WR004817.

DeGroot, D.J. and Landon, M.M. (2007). "Laboratory testing of undisturbed soft clay samples to determine engineering design parameters." Studia Geotechnica et Mechanica. No. 1-2, pp. 23-37.

Ostendorf, D.W., DeGroot, D.J., and Hinlein, E.S. (2007). "Unconfined aquifer response to infiltration basins and shallow pump tests." Journal of Hydrology. Vol. 338, No. 1, pp. 132-144.

Ostendorf, D.W., Hinlein, E.S., Rotaru, C., DeGroot, D.J. (2006). "Chloride contamination of groundwater by outdoor highway deicing agent storage." Journal of Hydrology, 326, pp. 109-121.

Ostendorf, D.W., DeGroot, D.J., Dunaj, P., and Jakubowski, J. (2005), "A closed form slug test theory for high permeability aquifers." Groundwater, Vol. 43, No. 1, pp. 87-101.

DeGroot, D.J. and Lutenegger, A.J. (2005). "Characterization by sampling and in situ testing – Connecticut Valley Varved Clay." Studia Geotechnica et Mechanica, Vol.XXVII, No. 3-4, pp. 91-105.

DeGroot, D.J., Poirier, S.E., and Landon, M.M. (2005). "Sample disturbance – soft clays." Studia Geotechnica et Mechanica, Vol. XXVII, No. 3-4, pp. 107-120.

 

 

Selected Conference Publications

Judge, P., DeGroot, D.J., Zhang, G., Lin, S. (2016). "Development of a Flume for the Evaluation of Coastal Mudflat Sediment Erodibility." State of the Coast Conference, New Orleans, LA, June 2016.

Fontana C., Carswell W., Arwade S.R., DeGroot D.J. (2015). "The Role of Damping in Offshore Wind Turbine Dynamics." North American Wind Energy Academy Conference, Blacksburg, VA, June 2015.

Carswell, W., Arwade, S.R., and DeGroot, D.J. (2014). "Behavior of Laterally‐Loaded Offshore Wind Turbine Monopiles under Storm Loading Conditions". 2014 Engineering Mechanics Institute Conference, American Society of Civil Engineers, Hamilton, Ontario. August 2014.  

Carswell, W., Johansson, J., Lovhold, F., Arwade, S.R., and DeGroot, D.J. (2014). "Dynamic Mudline Damping for Offshore Wind Turbine Monopiles". 33rd International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, CA. June 2014.  

Arwade, S.R., Carswell, W., Johansson, J., Lovholt, F., and DeGroot, D.J. (2014). "The role of soil damping in the structural response of offshore wind turbine monopile support structures". 2014 Structures Congress, American Society of Civil Engineers, Boston, MA. April 2014.  

DeGroot, D.J., Kral, P.A., Carey, L.C., LaMasa, D.F., and Ostendorf, D.W. (2014). "In situ and laboratory measurement of the hydraulic conductivity of a glaciolacustrine silty aquitard in eastern Massachusetts." NEWWA 2014 Annual Conference and Exhibition, Worcester, MA, April 2014.  

Nguyen, H.Q and DeGroot, D.J. (2013). "Challenges in Geotechnical Site Characterization of Offshore Glacial-Marine Sediments". Society for Underwater Technology, Houston, TX, Sept 2013.  

 

Recent Research Contracts Funded

"Collaborative Research: GOALI: Efficient Multiline Mooring Systems for Floating Wind Turbines." US National Science Foundation. Co‐Principal Investigator (with PI, S. Arwade), TA&M (PI, C.P. Aubeny) and UMaine (PI, M.M. Landon), July 2015 – June 2018, $497,341 (UMass Amherst, $251,834).

"Salt Remediation Program Support Interagency Service Agreement." MA Department of Transportation, Co‐Principal Investigator (with PI, E. Hinlein, and Co‐PI, D.W. Ostendorf), July 2015 – June 2018, $4,501,094.

"Collaborative Research: Sampling and Sample Quality Assessment of Intermediate Soils." US National Science Foundation, Principal Investigator (with Co‐PI, G. Zhang) and UCDavis (PI, J. DeJong), August 2014 – July 2017, $630,000 (UMass Amherst, $330,000).

"RCN‐SEES: Sustainable Adaptive Gradients in the Coastal Environment (SAGE):  Reconceptualizing the Role of Infrastructure in Resilience." National Science Foundation, Co‐Principal Investigator (with PI, E. Hamin), January 2014 – December 31, 2018. $736,707.

"Salt Remediation Program Support Interagency Service Agreement." MA Executive Office of Transportation, Co‐Principal Investigator (with PI, D.W. Ostendorf and Co‐PI, E. Hinlein), July 2012 – June 2015, $4,100,000.

"IGERT: Offshore Wind Energy Engineering, Environmental Science, and Policy." National Science Foundation, Senior Personnel, Executive Committee (with PI, E. Baker), Aug 2011 – July 2016, $3,200,000.

"Highway Deicing Agent Remediation Program." MA Executive Office of Transportation, Co‐Principal Investigator (with PI, D.W. Ostendorf). July 2008 – June 2012, $4,844,226.

"Developing International Protocols for Offshore Sediments and their Role in Geohazards: Characterization, Assessment, and Mitigation." National Science Foundation Partnerships for International Research and Education Program, Principal Investigator (with Co‐PIs, J.T. DeJong, L.G. Baise, T.C. Sheahan, and B.G. McAdoo), September 2005 – August 2010, $2,341,579.