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  1. TampaBridgeDesign

    PT Straddle Bent

    Anyone have sample post-tensioned straddle bent plans or calcs they'd be willing to share? Also, what programs are you using to perform these designs?
  2. TampaBridgeDesign

    Homberg Charts

    Does anyone know of a location on the internet where I could find a copy of the Homberg charts? I have a copy of the Pucher charts which may be good enough for what I'm doing but if the Homberg charts were available that would be even better. Thank you!
  3. TampaBridgeDesign

    Canadian Highway Design Bridge Code Design Examples

    Does anyone know of any internet resources which would give basic design examples for either concrete or steel which would be designed per the CAN/CSA-S6-06 code?
  4. TampaBridgeDesign

    UDOT -- Accelerated Bridge Construction Streaming Video

    http://216.122.147.238/BridgeMoveLive.html See the link above. This is a corridor running through Salt Lake City on I-80. There were 7 bridges built off site. One by one they'll be moved into place via SPMT. Once they're at the appropriate site they'll be launched out and then lowered into...
  5. TampaBridgeDesign

    Segmental and Spliced Post-Tensioned Girder Design Software

    I've used Consplice for spliced post-tensioned girders in the past. What other programs are people using for designing bridges to take into account time-dependent analysis with construction staging?
  6. TampaBridgeDesign

    Modeling Concrete and Rebar in STAAD

    I'm looking for an example on how to model a simply supported rectangular concrete beam with tension reinforcement. I want to be able to model the concrete and the rebar separately. Does anyone have an example like this. The folks at Bentley have not been receptive to my requests.
  7. TampaBridgeDesign

    Excel Graph Scale

    I'm sure this topic has come up before but I couldn't find anything on it. Say I have the x & y coordinates for a circle. When I graph it and then print it out, it appears to be an ellipse. How do I get the printout of the circle to actually look like a circle instead of an ellipse?
  8. TampaBridgeDesign

    LRFD C6.10.3.4-1

    LRFD has an equation (C6.10.3.4-1) that says the width of the compression flange shall be greater than or equal to the girder shipping length divided by 85. It goes on to say that this equation is provided merely as a guideline and is not an absolute requirement. Since this isn't a requirement...
  9. TampaBridgeDesign

    Steel Box Girder Access Opening

    The DOT we're designing a steel box girder bridge for states that access opening in the bottom flange shall not be spaced more than 300' apart. We have a 3-span bridge with a total length of 600'. The DOT won't let us put the access opening over traffic in a positive moment region so it's...
  10. TampaBridgeDesign

    Opening a text file using a macro

    I have a text file as output from a live load generator. I will always put the file in the following directory: C:\LoadRating\ Say I have a text file called "HS20.txt" in the C:\LoadRating\ folder. I want to put "HS20.txt" in Excel cell A1 and then have Excel open that file. How do I write...
  11. TampaBridgeDesign

    STAAD Bridge Example

    I've never used STAAD to create a grillage model of a bridge but would anyone be willing to post their input files for such a structure? Thank you!
  12. TampaBridgeDesign

    Steel Box Girder Lateral Bracing -- LRFD C6.7.5.3-1

    I don't have the US Steel manuals so I'm hoping someone might be able to give me some insight into LRFD Equation C6.7.5.3-1. The bridge I'm working on is 50ksi. The engineer of record has requested that all lateral bracing and cross-frames be 36ksi steel. LRFD equation C6.7.5.3-1 states that...
  13. TampaBridgeDesign

    Inverting a Matrix

    I'm trying to write a macro that will invert a square matrix of any random size. Say I have a 10 x 10 matrix, how do I word the macro such that it selects from A1:J10 and then inverts that matrix? I already have an ad-in that will allow me to invert larger matrices than Excel normally allows...
  14. TampaBridgeDesign

    Steel Box Girder Design

    Has anyone used MDX or DESCUS to design curved steel box girder bridges? I know that a vast majority of consultants use BSDI. Just wondering how user friendly MDX or DESCUS is for steel box girders.

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