ASTM International has published a standard for a new material used as an expansion joint filler for sidewalks, driveways, curbs, gutter, parking areas, roadways, and other concrete construction.

SEATTLE — Construction crews will try again this weekend to begin expansion-joint replacements on southbound Interstate 5 through Sodo, after being rained out a week ago.

An expansion joint is a part of the bridge that helps absorb thermal expansion or thermal contraction. Basically, when concrete gets hot, it can expand and when it gets cold, it contracts.

Subsequently, the joint was sealed with filler material, which was dislodged. It has been filled again. The bridge structure itself remains intact with no structural cracks present." ...

Eastside Local News Traffic Lab 520 bridge expansion-joint noise drives hundreds of complaints Originally published May 18, 2016 at 8:45 pm Updated May 19, 2016 at 9:17 pm ...

Three months ago, I wrote about an expansion joint at the intersection of Huntington Avenue and Stuart Street in Back Bay that has become a perilous intersection for bicyclists.

This effort to begin expansion-joint replacement on southbound I-5 through Sodo would mark the first of 16 closures, on most weekends until autumn.