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A platform for research: civil engineering, architecture and urbanism
Design of Streambank Stabilization with Geogrid Reinforced Earth Systems
Reinforced earthen slopes through mechanically stabilized earth (MSE) utilizing Geogrid are an effective and innovative channel stabilization measure which can eliminate requirements for highly visible structural control measures, particularly when difficult environmental or physical site constraints are involved. Current advances in new construction material have resulted in soil retention systems through reinforced earth construction which offer a new applications for flood control and streambank protection control measures. Most conventional applications of reinforced earth systems have primarily involved earthwork slope stabilization or roadway projects. However, reinforced earth systems offer numerous advantages to conventional streambank stabilization techniques which include: structural reinforcement of the earthen streambank, ease of construction with normal fill operations, low costs, and an inert mattress that becomes an integral matrix with the earthen bank. Geogrids are typically manufactured of high density polyethylene (HDPE) resins that resist elongation when subjected to high load for long periods of time. The geogrids can carry large tensile load applied in one or two directions, and their open structure interlocks with the natural earthen fill material. The geogrid installation results in a structurally stable embankment which reacts similar to a gravity wall. In addition, the geogrid constructed streambanks can provide a steeper than normal slope face which can be naturally landscaped and provides an aesthetic alternative to conventional streambank revetments. Geogrid slope stabilization technology offers a new form of "bioengineering" with unique long term engineering properties and avoid common failure mechanisms. In addition, there are a variety of proprietary industry systems that combine the use of geogrid that have potential flood control and erosion protection applications. Comprehensive design procedures are reviewed for applied designs utilizing geogrid material for reinforced earth stabilization of channel banks, including the hydraulic and structural evaluation steps involved in the design of this type of system. Several unique flood control projects utilizing geogrid technology are evaluated, focusing on the different applications and constraints for each project.
Design of Streambank Stabilization with Geogrid Reinforced Earth Systems
Reinforced earthen slopes through mechanically stabilized earth (MSE) utilizing Geogrid are an effective and innovative channel stabilization measure which can eliminate requirements for highly visible structural control measures, particularly when difficult environmental or physical site constraints are involved. Current advances in new construction material have resulted in soil retention systems through reinforced earth construction which offer a new applications for flood control and streambank protection control measures. Most conventional applications of reinforced earth systems have primarily involved earthwork slope stabilization or roadway projects. However, reinforced earth systems offer numerous advantages to conventional streambank stabilization techniques which include: structural reinforcement of the earthen streambank, ease of construction with normal fill operations, low costs, and an inert mattress that becomes an integral matrix with the earthen bank. Geogrids are typically manufactured of high density polyethylene (HDPE) resins that resist elongation when subjected to high load for long periods of time. The geogrids can carry large tensile load applied in one or two directions, and their open structure interlocks with the natural earthen fill material. The geogrid installation results in a structurally stable embankment which reacts similar to a gravity wall. In addition, the geogrid constructed streambanks can provide a steeper than normal slope face which can be naturally landscaped and provides an aesthetic alternative to conventional streambank revetments. Geogrid slope stabilization technology offers a new form of "bioengineering" with unique long term engineering properties and avoid common failure mechanisms. In addition, there are a variety of proprietary industry systems that combine the use of geogrid that have potential flood control and erosion protection applications. Comprehensive design procedures are reviewed for applied designs utilizing geogrid material for reinforced earth stabilization of channel banks, including the hydraulic and structural evaluation steps involved in the design of this type of system. Several unique flood control projects utilizing geogrid technology are evaluated, focusing on the different applications and constraints for each project.
Design of Streambank Stabilization with Geogrid Reinforced Earth Systems
Phillips, Bruce M. (author)
Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000 ; 2000 ; Minneapolis, Minnesota, United States
Building Partnerships ; 1-10
2000-09-11
Conference paper
Electronic Resource
English
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