Rubber Buffings for Bridge Approach Expansion Joints

Todsen, Mike; Steffes, Robert; Gansen, Elijah; Iowa. Dept. of Transportation. Office of Materials

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Rubber Buffings for Bridge Approach Expansion Joints

2001-10-01
By Todsen, Mike ; Steffes, Robert ; Gansen, Elijah

[PDF-802.51 KB]

English

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Creators:

Todsen, Mike ; Steffes, Robert ; Gansen, Elijah

Todsen, Mike ; Steffes, Robert ; Gansen, Elijah Less -
Corporate Creators:

Iowa. Dept. of Transportation. Office of Materials
Corporate Contributors:

Iowa. Highway Division
Subject/TRT Terms:

[+]

Bridge Approaches Bridges And Other Structures Buffings Design Expansion Joints Foams Geotechnology Highways I24: Design Of Bridges And Retaining Walls I35: Miscellaneous Materials Materials Retreaded Tires Rubber Sealing Compounds Tire Industry Waste Products
Publication/ Report Number:

MLR-01-1
Resource Type:

Tech Report
Geographical Coverage:

Iowa ; United States

Iowa ; United States Less -
TRIS Online Accession Number:

00972481
Edition:

Final Report 5-01 to 8-01
Corporate Publisher:

Iowa. Dept. of Transportation. Highway Division
Abstract:

Many of the bridges in the state of Iowa have type 'CF', 'EE', or 'EF' expansion joints installed in the bridge approach slabs. These joints, which are typically 4" wide, are currently filled with a foam expansion joint material that is covered with a sealant. Over time the sealant begins to pull off of the walls of the joint and it ultimately fails. The joint, which is now exposed to the weather, is then filled with water and solids. The foam joint material, which is lighter than water, floats out of the joint onto the highway. This foam resembles a large 4" by 6" plank and poses a threat to motorists. A possible solution to this problem would be to replace the foam material with rubber buffings. Rubber buffings are a by-product of the tire retread industry.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e228f10b6f3eb2c4a81cf939540f1c8aa07a3739432ba00b5230dd41280f09cd
Download URL:

https://rosap.ntl.bts.gov/view/dot/37968/dot_37968_DS1.pdf
File Type:

No Additional Files

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Rubber Buffings for Bridge Approach Expansion Joints

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