A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stabilization of a Large Landslide Impacting Highway 73 in the Missouri River Badlands
Along a portion of Highway 73 west of Lake Sakakawea in the Missouri River badlands of North Dakota, landslide activity had been observed for several years. This activity damaged the heavily traveled roadway, causing temporary closure or constraints on the maximum allowed speed. This large, deep-seated landslide includes high-plasticity clays with limited long-term shear strength and lignite seams carrying groundwater that also contributed to the slope failures. A stabilization design was developed to capture groundwater and route it away from the failure, and drilled shafts were installed as reinforcement to increase the factor of safety and limit long-term displacements. The paper addresses the field mapping, geotechnical investigations, laboratory testing, performance monitoring, design, and construction of the remedial measures.
Stabilization of a Large Landslide Impacting Highway 73 in the Missouri River Badlands
Along a portion of Highway 73 west of Lake Sakakawea in the Missouri River badlands of North Dakota, landslide activity had been observed for several years. This activity damaged the heavily traveled roadway, causing temporary closure or constraints on the maximum allowed speed. This large, deep-seated landslide includes high-plasticity clays with limited long-term shear strength and lignite seams carrying groundwater that also contributed to the slope failures. A stabilization design was developed to capture groundwater and route it away from the failure, and drilled shafts were installed as reinforcement to increase the factor of safety and limit long-term displacements. The paper addresses the field mapping, geotechnical investigations, laboratory testing, performance monitoring, design, and construction of the remedial measures.
Stabilization of a Large Landslide Impacting Highway 73 in the Missouri River Badlands
Grosser, Aaron (author) / Greenwood, Jed (author) / Wong, Miguel (author) / Albrecht, Brian (author) / Schwagler, Colter (author) / Kurle, Matthew (author)
Geo-Congress 2020 ; 2020 ; Minneapolis, Minnesota
Geo-Congress 2020 ; 80-95
2020-02-21
Conference paper
Electronic Resource
English
Stabilization of a Large Landslide Impacting Highway 73 in the Missouri River Badlands
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