Case Studies
Subgrade Stabilization: Rice County, MN
Application: Subgrade Stabilization
Location: Rice County, Minnesota
Products: Geolon® HP770PET
The Challenge
The widening of C.S.A.H. 2 in Rice County, MN required the widening of a 7.32m (24ft) wide 2-land paved road. The widening would take
the road crest from 7.32m (24ft) to 12.8m (42ft) in width and expand the side slopes from 2H:1V to 4H:1V. The roadway crosses
2 swamp areas, one being 213.4m (700ft) and the second being 182.9m (600ft). The present 2-lane road was constructed in 1966; at that
time the swamp areas were only partially excavated to a depth of 3m (10ft) and then backfilled with clay.
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Landslide Repair: Mississippi River in Otsego, MN
Application: Landslide Repair
Location: Mississippi River, Otsego, MN
Products: Miragrid® and Mirafi® 180N
The Challenge
A landslide occurred as a result of high Mississippi River waters pounding into a 50 ft. high section of very steep slope during the
spring of 2003. Smaller slides had occurred over the past few years in this area. The landslide extended into the northbound
land of C.S.A.H. No. 42 with the potential for the loss of the southbound land.
Read this entire case study (.pdf format)
Filtration / Separation: Titan Stadium, Oshkosh, WI
Application: Filtration / Separation
Location: Titan Stadium, Oshkosh, WI
Products: Filterweave® 402 & Mirafi® 170N
The Challenge
A new state of the art artificial grass multipurpose field was to be constructed over an existing natural grass football field.
The width of the new field would be more than double that of the existing field and was enlarged to also accommodate a full
size soccer field and a new nine land running track.
Read this entire case study (.pdf format)
Subgrade Stabilization: Lakeland, Florida
Application: Subgrade Stabilization
Location: Lakeland, FL
Products: Mirafi® 500X, HP570, BXG12
The Challenge
This was for a retail facility located in Lakeland, Florida where sandy soils are usually prevalent. However, this site had phosphate
slime in the soils that needed to be removed and replaced, or bridged over. In this case, a separator fabric, a high strength
polypropylene and a bi-axial geogrid was used.
Read this entire case study (.pdf format)
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