Geogrid Composites Are Great For Separating Underwater Soil and RipRap
Instead of installing layers of graded sands and aggregates to support submerged Rip Rap, why not install a Geogrid Composite instead? Geogrid Composites are combinations of Biaxial Geogrids sewn to Geotextile Fabrics for the purpose of separating underlying subgrade soils from large aggregate Rip Rap in submerged water applications like riverbanks, streambanks, lakebanks, bridge abutments, and coastal area protection projects. Typically, graded layers of sand and aggregates which transition to larger particles are placed under large Rip Rap to create a natural filter, but Geogrid Composites are much quicker and easier to install, and are more cost effective.
Triton® Marine Mattresses By Tensar Are Complete Revetment Systems For Submerged Applications
The Triton® Marine Mattress system makes construction in waterways extremely easy and efficient. They are specifically designed for demanding conditions to armor submerged foundation projects to protect against erosion and scour. These mattresses are assembled with geogrid and geotextile materials and can be filled with natural stone and soil fill to create hard armor solutions with a vegetated look. The flexibility of the mattresses conform great to irregular subgrade conditions far better than any other system.
Very much like gabion mattresses, geogrid mattresses offer confined stone solutions to any project in need of scour and erosion protection. But, unlike gabion mattresses that are made of coated steel wire which can corrode with time, geogrid mattresses are strong, inert, and will not degrade even in the harshest water environments. Fabricating mattresses out of geogrid also provides extremely high tensile strength that is very useful when designing large mattresses that can be picked up by one or both ends. These mattresses can be filled with stone on dry land and then lifted and placed into standing water over slopes and across channels. Geogrid mattresses also make great protective barriers for exposed piping and utilities and for bridge piers.