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A bridge drain maintenance issue is often-times dissimilar movement between the deck and the abutment, drains get ripped. These are interesting movable pipe joints that I’ve not seen used….
EBAA Iron Flexible Pipe Joints
https://championfiberglass.com/products/champion-bridge-drain/
Slope monitoring – Inclinometer references
https://www.soilinstruments.com/products/inclination/inclined-digital-inclinometer-system/
https://www.geotech.hr/en/landslide-monitoring-measuring-inclinometer/
Bridge sliding references:
FHWA Slide-In Bridge Webpage – Great links & resources
BNSF Guide to Industry Track Projects
A nice reference guide that includes turnout standard details
IDOT Construction Inspector’s Checklists are now housed here on IDOT’s website
Excellent reference article on concrete paving/floor slab crack control
Nice tool thanks to the folks at WisDOT: A nice lumber board feet converter:
Two excellent pavement marking resources:
Vermont DOT did a study of different types of pavement markings and how they performed
https://vtrans.vermont.gov/sites/aot/files/planning/documents/research/publishedreports/2018-05_LiquidMarkings.pdfIDOT has an excellent manual that reviews their pavement marking requirements, including maintenance. The manual was originally published in 2015, I’m not sure if it was ever updated, but it is a great resource:
IDOT also provided an online seminar on the Manual which is very informative
An excellent summary presentation from Illinois Concrete Pipe on Trenchless Installations
An excellent tieback reference
https://www.solcon.fi/wp-content/uploads/2019/03/TITAN-Anchorages-for-retaining-structures.pdf
Link to IDOT’s Drop-Off Policy
https://public.powerdms.com/IDOT/documents/1651482/BSE-04%3A%20Work%20Zone%20Safety%20and%20MobilitySome pavement drilling & grouting resources:
EZ-Drill’s Website
https://www.ezdrill.com/downloads/spec-sheets/Model_65B.pdf
https://www.ezdrill.com/downloads/spec-sheets/Model_85B.pdf
https://www.ezdrill.com/downloads/spec-sheets/Model_110B.pdfNice Nebraska DOT study:
Evaluation of Tie-Bar Anchoring Methods – Non-Shrink Grout vs. Epoxy
https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1247&context=ndorAs we have a project study that considered the use of Lightweight Cellular Concrete Fill (LCCF) I thought I’d retain the articles/documents that I’ve reviewed:
The link in this article provides commentary on use for MSE wall backfill – My reading of it indicates that further investigation is required.
A nice study out of Iowa State:A nice study/report on Hydrodemoltion of Bridge Decks
https://onlinepubs.trb.org/onlinepubs/nchrp/docs/SCAN18-01-8.pdf
