I am designing a top slab for a junction chamber. The junction chamber consists of connecting 2 ends of a 10 feet wide x 4 feet high concrete box culvert.
As part of this design, the top slab has an opening for a 4 foot diameter manhole. The top slab is 1'-1" thick. The manhole is ~10 feet...
How do I go about designing the shear studs welded to soldier piles and connected to the concrete facing?
I referred to this thread: thread507-152519
But I need a little more information than was discussed in that thread.
I had a question regarding dead load calculations for bridge design. The specific bridge type is concrete deck on steel beams with concrete parapets.
Per IDOT, we have to show top of slab elevations on the plan sheets, after adjusting for dead load deflections. While calculating these dead...
Hello
I am working on a project where the traffic folks want to attach new 8" traffic signal heads to the underside of a post tensioned deck.
Has anyone done this before, and how should I proceed?
Can I make connections to the underside of a post tensioned deck? i am going thru the as built...
I am designing a soldier pile wall for the first time with the following:
Retained height - 11.2'
Ka=0.46, Kp=1.6 (after using reduction factor from AASHTO), pile spacing=8', concrete dia.=3', phi=30 degrees, unit weight-120 pcf from backfill to excavated height, and then reduces to 80 pcf, LL...
Hello
I am in the process of designing a soldier pile wall for an access road. The max height of the wall is 12 feet and the SGR recommends drilled soldier pile walls as the best alternative. I have not designed a soldier pile wall before and needed help with how to get started. I am starting...
Hello
I am designing a 2 span bridge (concrete deck on plate girders). The bridge has 7 girders with varying spacing. On 2 of the 7 girders, I am getting a fillet(haunch) height which is less than the minimum allowed for plate girders (3/4"). The remaining 5 girders are OK. How do I get around...
Hello All
I am trying to use MDX to design a steel beam concrete slab bridge and wanted to get some help with several aspects of the design. MDX support is not the most helpful with this kind of stuff so I wanted to know if anyone else has used MDX for this purpose and can answer a few...
I am looking for costs of jacking in place a 10x4 box culvert OR 2-60 inch pipes in its place. I am also contacting contractors, but wanted to check if anyone has any experience with this, especially as it relates to the cost of construction. I am currently assuming $2,000/foot and wanted to...
I am designing a 12x3 cast in place box culvert, wherein the south wingwalls need to constructed in sync with the slopewall of an adjacent bridge. The problem is that the bridge slopewall will be built 12-18 months after the construction of the box culvert. What are my options for the...
