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    Author(s): Adam SenalikJames P. Wacker; Travis K. Hosteng; John Hermanson
    Date: 2017
    Source: In: Proceedings, ICTB 2017, 3rd international Conference on timber bridges 2017. Skellefteå, Sweden. 11 p.
    Publication Series: Paper (invited, offered, keynote)
    Station: Forest Products Laboratory
    PDF: Download Publication  (551.0 KB)


    Recently, Buchanan County, Iowa, has cooperated with the U.S. Federal Highway Administration (FHWA), USDA Forest Service, Forest Products Laboratory (FPL), and Iowa State University’s Bridge Engineering Center (ISU–BEC) to initiate a project involving the construction and monitoring of a glued-laminated (glulam) timber superstructure on geosynthetic reinforced soil (GRS) integrated bridge system (IBS) abutments. The research team from FPL installed sensors in the substructure as well as in the bearings of the girders. In addition, the research team from ISU– BEC installed sensors on the superstructure that create an autonomous structural health monitoring system for the bridge. Data are collected remotely and transmitted continuously around the clock every day. Long-term monitoring enables researchers to evaluate GRS–IBS system performance with respect to variables of time, ambient conditions, and loading.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.


    Senalik, Adam; Wacker, James P.; Hosteng, Travis K.; Hermanson, John. 2017. Smart timber bridge on geosynthetic reinforced soil (GRS) abutments. In: Proceedings, ICTB 2017, 3rd International Conference on Timber Bridges. Skellefteå, Sweden. 11 p.


    Geosynthetic reinforced soil, health monitoring, timber, glulam, substructure, superstructure

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