I have a wooden bridge that my client is going to be repairing. The superstructure is glu-lam beams (6' o.c.) with a wood deck that consists of 2x4's laid on the narrow edge over the entire length of the bridge. The deck is deteriorting and the client wants to replace decking in kind to retain...
Does anyone have some guidance on the sizing of the opening for a pedestrian/ bike tunnel?
My project involves building a cut and cover tunnel under an existing road way very close to a busy intersection. It is 200 feet long, and ther is no possibility of changing the existing roadway profile...
I am curious to know the effect of the rise in the cost of construction materials, is having on the engineer's construction estimates for bridges around the U.S.
In the State of Georgia we have traditionally had extremely low costs, on average $65/sf for AASHTO beam bridges, $80/sf for steel...
We designed a post-tensioned integral bent cap for a highway bridge. The beams are steel plate girders and the PT system is Dywidag bars. The anchorages are on the outside face of the beam webs and the plans call for the anchorages to be encased in concrete by forming the bent cap end over the...
I have a contractor who has requested a change to the approved pouring sequence specified in the bridge plans in an effort to save time.
The bridge is a three span continuous curved steel plate girder superstructure that is integral with the substructure. The integral bent caps are also...
Is anyone familiar with the changes to the AASHTO Standard Specifications for Highway Bridges Chaper 14, Bearings. Specifically steel reinforced elastomeric pads designed using Method A and the changes between the 16 th(1996)1997 interim through 17 (2002) Editions of the code.
The 1997 interim...
