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  1. AFCbuilder

    Crack Control For Fiber Reinforced Concrete

    Thank you both for the input!
  2. AFCbuilder

    Crack Control For Fiber Reinforced Concrete

    I was considering the case for a cast-in-place circular manhole. I thought I had seen some projects where conventional reinforcement was replaced entirely by fiber reinforcement. Would wire mesh be suitable for crack control?
  3. AFCbuilder

    Crack Control For Fiber Reinforced Concrete

    I am wondering how to handle the issue of watertightness for a manhole design using fiber reinforced concrete (looking into both steel or synthetic fibers). I have seen that watertightness implies that rebar must be used to control cracking (based on ACI code) but does anyone have experience...
  4. AFCbuilder

    Cohesion Values in Design

    Thank you Doctormo. I have seen the rule of thumb to ignore cohesion for the long term design but I was under the impression that was due to drainage conditions (i.e. loss of cohesion as the soil drains). But since this is a marine project (the retaining system is being installed into the...
  5. AFCbuilder

    Cohesion Values in Design

    I am designing a double wall retaining system and I am wondering what values of cohesion I can use for a marine project consisting of soft to firm silty clay, clay, hard clay till and silt till layers. I found a graph in the geotechnical investigation report that plots cohesion against depth...
  6. AFCbuilder

    Sheet Pile Driving

    Thanks for the recommendation!
  7. AFCbuilder

    Sheet Pile Driving

    Is anyone familiar with determining the driveability of steel sheet piles? This is for a marine environment project and the soil is predominantly clay. I was attempting to relate the energy required against the soil resistance but not sure if there was an actual method.
  8. AFCbuilder

    Combined Development Length

    I am having issues with ensuring the minimum development length for tension between U-shaped stirrups because of a change in the design of a pier cap . Originally, we had the concrete pier cap dimensions following the profile of the road cross section and we had just enough development length...

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