Tag: geotextile filter fabric

Geotextiles are permeable fabrics which, when used in association with soil, have the ability to separate, filter, reinforce, protect, or drain. Typically made from polypropylene or polyester, geotextile fabrics come in three basic forms: woven (resembling mail bag sacking), needle punched (resembling felt), or heat bonded (resembling ironed felt).

Project Profile: Underwater Expertise

Project Profile: Underwater Expertise

The ability to perform dam reconstruction underwater is of great benefit to owners, allowing them to avoid facility shutdowns and construction of dewatering systems. The training and experience of commercial divers combined with the advancement in such materials as precast articulated concrete block has led to a great increase in

Soil Stabilization to Scale

Soil Stabilization to Scale

Retaining walls have become a familiar sight on property used to develop new housing or commercial buildings, as ideal land for buildings becomes increasingly scarce in some markets. These structures are often used either to stabilize an unstable slope or to increase the utility of land that otherwise would not

Gabions and Hard-Armor Solutions

Gabions and Hard-Armor Solutions

In their simplest form, gabions are essentially rock-filled wire baskets or cages-the word gabion is derived from the Italian gabbione , meaning “big cage.” Similar structures date back thousands of years to the time of the pharaohs in Egypt. It seems the Egyptians filled baskets of woven reeds and placed

Saving School Girl’s Glen

School Girl’s Glen is a steep ravine in Nichols Arboretum in Ann Arbor, MI. The arboretum, which adjoins the University of Michigan to the east, is located on the flank of a glacial moraine that overlooks the Huron River valley. The glen is part of the Huron River drainage that

Retaining Walls: What You See and What You Don’t

What you see with many retaining walls these days is a fashion statement. No one likes to see just a concrete wall, and the facial elements of retaining walls have changed radically within the past two decades, just as pavers have changed the way driveways look. Once made almost exclusively

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