I am involved in a design process of an architecturally elaborate bridge, made up of both precast and CIP elements. The bridge is being designed and constructed by a State agency, but will be turned over to our City for ownership/maintenance upon completion.
My question regards recommendations...
After tensioning tendons for a large bridge project we received reports of radial cracking appearing in numerous steel anchor wedges. Some wedges only had one crack, some had multiple cracks. The cracks are visible on the exposed ends, and run from the inside diameter to the outside diameter...
Hello all -
We've run into a slight problem on a bridge job. The contractor mis-read a P/T note on our cross beam plan. Our beam had 4 rows of duct runs (4 duct in each row - 16 ducts total, with the Pj for each row given 21,,092 kN. The contractor read this as 21,092 kN total for all rows, and...
Hello all -
We're currently constructing a post-tensioned box girder bridge (3 span continuous - 31.1m - 39m - 31.1m) with 2 slanted external /5 vertical internal webwalls. The center webwall (405 mm wide) shifted out of horizontal alignment as much as 150 mm total at the top during the...
Hello, all. We have a small soil nail project here in Portland, and have questions about testing procedures. Our wall is fairly low, approximately 5 ft, and extends under a couple of existing freeway bridges. Our purpose is to widen a frontage road under these bridges. One row of soil nails has...