Innovative GRS/IBS Bridge Abutments: Cost-Effective Solution
GRS/IBS system utilizes stacked concrete blocks for wall facing, with gravel and geotextile fill supporting the bridge deck. These abutments are easy to design and build, cost-effective, and require minimal maintenance. The unique design prevents settlement at the end of the bridge, offering a durable solution with quick construction.
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GRS/IBS Bridge Abutments Shannon Sheffert, PE (405)742-7884 Shannon.sheffert@gmail.com
Why a GRS Abutment? Simple to design Simple to build CHEAP No bump at the end of the road/bridge And again, inexpensive and simple to build
What is GRS/IBS A system of stacked concrete blocks for a wall facing The fill behind the wall is composed of gravel interlaid with geotextile fabric The bridge deck sits on the compacted gravel mass and not on the wall itself These can be built quickly Only a few hands track hoe are need to build a bridge There is little or no maintenance needed No settlement at the end of the bridge
Fine print Details: Basically, it is a gravity structure with 12 layers
The burrito detail for the base and layers for the mass abutment
For more info go to the FHWA Website https://www.fhwa.dot.gov/publications/research/infrastructure/struc tures/11026/004.cfm#:~:text=Publication%20Number%3A%20FHWA- HRT-11-026 Or simply EVERY DAY COUNTS Geosynthetic Reinforced Soil Integrated Bridge System
