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Hi All, I have a number of sites that have a small generator (with day tank) and a small modular non-heated building(4mx4mx4m) both have their own concrete foundation that sits on frost heave insulation. My contractor wants to run a number of 100 diameter electrical conduits through the...

Hi All, I have approximately 25 heavy industry sites with frost depths varying from 450mm to 3m. For the sites with high frost depth we are using a raft foundation (to support pre-engineered single storey buildings) approximately a meter below grade and then have frost insulation that runs...

Hi All, I am currently making some modifications to an existing concrete flat roof (2"stone, geotextile, 4" insulation, dpm, 8" concrete slab), Architect will be appointed at a later date as we are in the early-ish stage. Does anybody know why they would tie pavers together and put them in the...

Hi All, I am designed a cantilever floodwall to FEMA259 for the first time, the process seems relatively straight forward given the layout of the standard and worked examples provided. From what I understand, for Dam design the vertical downward and upward forces due to water pressure are...

Hi All, I realise this might not be the correct location to ask this question, but maybe other engineers have run into a similar problem. We are currently preparing to carry out structural steel repairs to the base of a furnace in a petrochemical facility. To complete the repairs we need to...

Hi All, We are planning to remove and replace and existing vessel. We plan to reuse the existing anchor bolts, 1 1/4" dia with approx. 8" projection, only the top section of the rod is threaded. We have a short window between removing the existing vessel and installing the new vessel. I plan...

Hi All, Section 3.3 of the dyna6.1 manual states that the dynamic force for a rotating machine is: Po=me.e.ω^2 Then in Section 6.3.1 it states that the input force into dyna6.1 shall be: Forcei = (me.e)i = Pi/ωop where i=x,y,z If the input force = m.e, then the units should be kg.m/s^2...