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Thank you for your response guys. Though it seems hard, I will try them one by one. I know I am on the right path.

A simple question for you guys, I just don’t know how to enter this in formula. Say in a certain cell A1 containing numbers 1 15 25 4, the formula counts how many numbers contained in that cell A1. The formula should return 4 or in case the cell contains 15 2 8 10 100 59 then it should return 6...

Thanks everyone for your comments!

Thank you guys for your valuable comments! We have been designing pipe racks (steel & RC) with pinned supports and i I got this question raised up when a new engineer in our office always use fixed support but cannot explain why it is so. Yes, we can design it either way but what would be the...

for a reinforced concrete piperack supported by isolated foundations and no tie beams, what is the best assumption to represent my foundations? will it be pinned or fixed support? is there a big difference between pin and fixed in terms of design forces on the structural members and foundations?

Sorry, I don’t have a copy of metric companion of ACI 318-99. anyone who can teach me the metric equivalence of Section 10.6.4, Equation 10-5: S = 540/fs – 2.5Cc but not greater than 12(36/fs). Thanks!

I protected my worksheet from the tools-protection-protect sheet menu but it seems it can be manipulated when copied into a new work sheet. I want my worksheet when copied to another worksheet, the formulas will not be copied or in other words, only the values and no formulas will be copied as...

I belong to a very small engineering company and our engineering references/codes aren't complete and hardly updated to the latest editions. Take ACI 318 for instance, I know there’s a metric companion to ACI 318/318R but unluckily I cannot find any copy(in my office of course!) ; I find it...

Thank you very much guys for your valuble posts!

So you mean to say, the best model is: fixed supports even with the presence of grade beams? actually, i tried to model & run a 3D frame by staad, with grade beams and fixed supports, the result is: with the supports fixed, the grade beams didn't carry any forces(shear, moment, axial) or no...

I have been designing 3D structures(by STAAD) for powerplant facilities(i.e. piperacks, shelters, etc.) and i usually designate a pinned support as long as theres a grade beam in it. some engineers i noticed, they model it using fixed support(even with the presence of grade beam) and others...

Thanks a lot Tharani!

I was asked to do response spectrum analysis on a certain industrial related structure but i am not really sure of the exact/step by step procedures or solution of such problem. I have done some modal analysis of turbine/blower foundations by just calculating the natural freq. of the foundation...

Thanks!

thank you guys for the info!

Anyone who can teach me the values of spectral acceleration Ss & S1 of iran? We have a project located in that country using IBC 2000 code for seismic load calculation. the problem is, the contour maps provided in the IBC 2000 (also in ASCE 98) is for US only, how can we get the values of Ss &...

Anyone who can teach me the values of spectral acceleration Ss & S1 of iran? We have a project located in that country using IBC 2000 code for seismic load calculation. the problem is, the contour maps provided in the IBC 2000 (also in ASCE 98) is for US only, how can we get the values of Ss &...