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.