A section of retaining wall H on Trunk Highway 41 (TH41) south of the junction with TH212 in Chaska, Minnesota, "pushed out" following significant rainfall during construction. The rainfall event occurred prior to the pavement placement with the fill material exposed. The movement (horizontal displacement) of the wall that occurred after the rainfall event was permanent and visible.
The theme of RockEng22 is Canadian Strengths and Future Directions in Rock Mechanics.
Dr. Purvance is a software engineer with a background in mathematics, mechanics and geophysics, specializing in algorithmic development and implementation. He has participated in the design of Itasca software for more than 10 years.
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