Publications [1] Lu Zhang, Robert P. Chapuis*, Vahid Marefat. 2019. Numerical Values of Shape Factors for Field Permeability Tests in Unconfined Aquifers. Acta Geotechnica, 2020, 15: 1243-1257. [2] Lu Zhang*, Robert P. Chapuis. 2019. Recovery Test after a Constant-Head Test in a Monitoring Well: Interpretation Methods and New Findings. Engineering Geology, 259: 1-10. [3]Lu Zhang, Robert P. Chapuis*; Vahid Marefat. 2019. Field Permeability Tests with Inward and Outward Flow in Confined Aquifer. Geotechnical Testing Journal, 42(6), 1549-1573 [4]Lu Zhang, Robert P. Chapuis*; Vahid Marefat. 2019. Field Permeability Tests: Importance of Calibration and Synchronous Monitoring for Barometric Pressure Sensors. Geotechnical Testing Journal, 42(1), 43-63 [5]Ana Boada, Robert P. Chapuis*, Lu Zhang, Vahid Marefat. 2020. Examples of Variable-Head Field Permeability Tests Used in Books: Given Interpretations and Correct Interpretations. Geotechnical Testing Journal, 44(5):1-26. [6]Robert P. Chapuis*, Vahid Marefat , Lu Zhang. 2020. Using Public Well Data Banks to Improve Field Investigations for Excavations. Geotechnical Testing Journal, 44(6). [7]Robert P. Chapuis, Vahid Marefat and Lu Zhang. 2021. Barometric Fluctuations and Duration of Variable-Head (Slug) Field Permeability Tests. Geotechnical Testing Journal, in press. [8] Vahid Marefat, Robert P. Chapuis, François Duhaime, and Lu Zhang. 2021. Natural Pore Pressure Fluctuations as an Indicator of Shallow Aquitards Continuity. Journal of Environmental Geotechnics. DOI: 10.1680/jenge.20.00087 [9]Lu Zhang, Robert P. Chapuis. 2018. Plausible Variable-head Tests Initiated with Continuous Pumping in Monitoring Wells. In the 71st Canadian Geotechnical Conference and the 13th Joint CGS/IAH-CNC Groundwater Conference, Edmonton, Canada. [10]Lu Zhang, Robert P. Chapuis. 2017. Numerical Shape Factors for Field Permeability Tests in Unconfined Aquifers. In the 70th Canadian Geotechnical Conference and the 12th Joint CGS/IAH-CNC Groundwater Conference, Ottawa, Canada. [11]Lu Zhang, Robert P. Chapuis, Vahid Marefat. 2016. Comparisons of falling-head and rising-head permeability tests in monitoring wells. In the 69th Canadian Geotechnical Conference, Vancouver, Canada. [12]Lu Zhang, Robert P. Chapuis, Vahid Marefat. 2015. Comparisons of falling-head and rising-head permeability tests in monitoring wells. In the 68th Canadian Geotechnical Conference and the 7th Canadian Permafrost Conference, Quebec city, Canada. |