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  • Users: engrAlan
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  1. engrAlan

    Offshore Platform Extension

    One of our projects is to install electrical equipment on an existing 15m x 10m offshore platform. The platform was built more than 20 years ago. Since there is no enough space to install the new equipment on the existing deck, we were forced to provide deck extension to accommodate our new...
  2. engrAlan

    Existing Slab Footing FAIL when design using STAAD Pro

    Can anybody help me what i missed? I modeled an existing mat foundation of heat exchanger using plate element of STAAD Pro. Slab Thickness is 1100mm reinforced with 28mm dia spaced at 200 center-to-center. The provided steel is only 3.078sq.mm/mm with Moment cap = 1,131 kn-m/m (existing...
  3. engrAlan

    Minimum embedment of Pedestal Support

    Can anybody share any ideas as to what is the minimum embedment of a pedestal support. We have fabricated a pre-cast concrete 300mm x 300mm x 600mm depth designed to support a 50kg instrument junction box. i did a calculation to determine the required embedment to the ground considering the...
  4. engrAlan

    Matrix Error

    Can somebody help me resolve this error in Matrix output? I came across in the internet this useful template but I want to customize to increase its usage. The Matrix output on the attached MathCad File will have an error when the Number of Pedestal will be greater than 3. I can't figure out...
  5. engrAlan

    MathCad Iteration

    Hi, Can anybody help me translate these iteration in Mathcad function? Givien P=0.30kip h=33ft B=2.50ft d=5ft S=0.20ksf/ft F=2 Calculated S1=F*S*min(d/3,12ft) A=2.34*P/(B*S1) d1=A/2*(1+sqrt(1+4.36*h/A)) d2=(d+d1)/2 (new d will be the average of d1&d2, d2&d3, and so on. then S1 will be...

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