A new resource is available for test methods to evaluate the corrosion potential of earthen materials. The National Cooperative Highway Research Program (NCHRP) just released a new publication on the topic authored by corrosion expert Ken Fishman of McMahon & Mann, and Soheil Nazarian and others from UTEP. It attempts to assess and improve the current methods for characterizing steel corrosion potential of earthen materials. Download the manual for free from the Transportation Research Board.
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Scary: Things that go bump…at the end of the bridge
[Update 2008-11-03] The Link to the Journal’s homepage requires you to purchase the article. Too bad. Try the CDOT report instead I guess. [/Update]
First off, sorry for the cheesy Halloween tie-in. The other day I read an interesting paper in the Journal of the Transportation Research Record, No. 2045, of the Transportation Research Board (TRB). The paper was titled: “Evaluation and Recommendations for Flowfill, and Mechanically Stabilized Earth Bridge Approaches.” I’ll post the full citation below. (Photo from FHWA NHI Soils and Foundation Course Slides, NHI Course No. 132012)
The authors describe the standard of practice for Colorado DOT (CDOT) projects for the last 16 years with regard to the construction of bridge approaches in an attempt to eliminate the problem with the “bump at the end of the bridge”. They discuss some of the common reasons for problems with approaches, and some possible solutions. Click through for more.
Guide for Conducting Forensic Investigations of Highway Pavements
TRB’s National Cooperative Highway Research Program Report 747: Guide for Conducting Forensic Investigations of Highway Pavements explores a process for conducting forensic investigations of pavements that is designed to help understand the reasons behind premature […]
TRB Webinar: Visualization of Geotechnical Data for Hazard Mitigation and Disaster Response, a Practical Update
TRB will conduct a webinar on Wednesday, July 20, 2016 from 2:00PM to 3:30PM ET that features research from National Cooperative Highway Research Program (NCHRP) Synthesis 467: Visualization of Geotechnical Data for Hazard Mitigation and […]