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You could try the Steel Designers Manual. An extract from the relevant tables was given to me years ago in excel format and this is attached FYI. The Transport Research Laboratory issued a report by P.G. Beveridge & M Palmer, titled 'The design of large span corrugated steel structures' (ref...

kk = Thanks for the advert. Ron - Thanks for the input. Met with the contractor this morning and he is does not think he will get a return signal through the soil and will not attempt a trail, so the holiday test is out and we are inspecting visually . . . marvelous.

Ron Apologies, I should have chosen my words a bit better and used grounded rather than shorted. The contractor is saying they can’t perform a holiday test on the bottom liner because it is contact with the ground. It is in effect earthed and they can’t get the current to pass through it...

I am looking at a repairing a defective evaporation pond liner which is made up of 2 layers of HDPE with a proprietary drainage membrane between them. The top layer is damaged and we have a contractor in place ready to remove and replace this. The scope of works calls for the bottom liner to...

Hi guys, thank you all for your interest. I believe the vessel was full and operational when this happened, I strongly suspect the vessel design temperature has been exceeded during operation. I have attempted to upload a sketch, hope it works as I am just getting used to this site...

I have been asked to design a fix for saddles on a large horizontal vessel. The vessel capacity is 400m3 and it operates at approx 130C. The saddles have plastic deformation and have bowed upwards in the middle such the saddle base plate at the centreline is at least 20mm clear of the...