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Recent content by saadeh

  1. saadeh

    About Permissible Stresses in Tendons as per AASHTO LRFD section 5.9.3

    Thank you rapt for your explanation, this is what I need to kick some butts :) Regarding your last pair of lines, we got around this issue by applying more stress to the 14-strand tendon, so instead of jacking the tendon to 75%Fpu as the design requires, we jacked it to 79.5%Fpu, which reduces...
  2. saadeh

    About Permissible Stresses in Tendons as per AASHTO LRFD section 5.9.3

    Dear fellow bridge engineers, I'm currently working on a local bridge project which employs precast, post-tensioned girders, and the other day I had an argument with the consultant and my prestressing sub-contractor (Dywidag) about the permissible stresses in stressing strands and it turned out...
  3. saadeh

    Load Distribution Factors for a Non-Composite I Girder

    Hi Bridgebuster: I just checked the rest of the details of the submitted girder and I found what you talked about; there is a sufficient number of shear connectors coming out of the girder into the concrete topping and sufficient longitudinal bars coming of the precast panels to develop with...
  4. saadeh

    Load Distribution Factors for a Non-Composite I Girder

    Hi all! I'm a bridge engineer at a local company and my boss assigned me a task to check the design of one of our projects and I'm confused a little bit about the type of girders we have here. The girder section is a non-standard Precast post tensioned girder which has a shape nearly as an I...
  5. saadeh

    Approach Slab of a Concrete Bridge

    Hi all! Last time I provided shop-drawings the Consultant of my project (which is a concrete pre-stressed girder bridge) he argued about the location of the approach slab with reference to the abutment mirror (the abutment vertical stem which has a lesser thickness than the abutment main load...
  6. saadeh

    Special specifications of splicing for a bridge pier having two layers of reinforcement

    Hi All.... Right now I'm preparing shop drawings for a new bridge and I'm having some trouble with the quality of the original drawings made by the designer and I have to figure out a lot of stuff from these poor-low-quality-somehow-useless drawings. As of now, I'm reconstructing the lost...
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