Hi Interesting - or not, question. If you had a SPT of zero quoted for loose sands at depth (several metres down but in the influence zone), how would you correlate that to a friction angle or allowable bearing pressure ultimately? its a simple pad, nothing serious on it in our case. How would...
Hi can someone list the design categories used for FOS on the material strength. I am reviewing some calcs and comparing them to Europeon standards. I believe there are categories A,B etc...
Hi, has anyone got a good resource of reference for checking buried DI pipes subjec to surcharge from above? This is primarily to determine if we need to protect a pipe due to construction of new structure above. Thanks for any help in advance
Hi we have a project where we are looking into automatic dosing of chemical into a chamber to dechlorinate water from a water treatment site. Does anyone have a design reference or the kind of thing that needs to be considered? Note I am not doing final detailed design I would just like to...
Hi there, returning to these excellent forums after a long hiatus and was hoping for some more helpful advice. Has anyone used uplift bearings to replace elastomeric bearings in a bearing replacement scheme? The reason I am looking at it is that we presently have arrestor bars cast into a PT...
Hi basically I have been offered a job usual story current employer when I said I was leaving matched the offer. Some more details;
New job is smaller company so less fringe benefits
Its more responsibility which is what I want.
If my employer had been paying me this amount to start with I...
Hi, I have, by neccessity a very deep piled foundation. Considering the plan size it covers a large area and pick up numerous columns and storage vessels and the like. I planned to design it, due to the depth as a strut and tie system. The other advantage of which is I could limit the top steel...
Hi,
please refer to the attached sketch of a existing situation. The load down the column is being increased. This causes bending and shear failure. My thoughts are if I take the force in direct bearing through the cap to the pile and justify the top steel to hold it in place I can demonstate...
hi we have a steel tank being placed on a concrete foundation slab which is piled. how do you account for any differential movement due to temperature if at all. tank is not fixed to concrete by any bolting
hi in dealing with pull out of bolts with anchor plates on top of a wall wheras normally you would work out a shear stress on a perimeter (in uk it is 1.5d). how do you deal with the fact that you dont have 1.5d. i know most here are usa based so after general principles. there is a free edge in...
hi. i have an existing structure originally designed with moment connections to several beams although not high loads. under the new condition the moment Capacity is exceeded. so my question is could assume that the connection will not transfer the full moment and recheck the beam as simply...
hi i am inspecting a suspended slab which has some serious degradation. the bottom steel has lost all concrete in large areas. that is to say the bars are hanging with concrete cover loss and loss behind the bars. is this repairable. im not even sure what's keeping in in place.
We have a series of 16 inch frankies. Does anyone know typical structural capacity of these sections? Only so we can decide if its worth proceeding to more detailed investigation.
The new strategy every two years, usually a new ceo, providing more bullshit and hot air for the management team to discuss and monitor in meetings when the rest of us carry on as normal delivering projects to the same clients under the same conditions. Decisions taken that effect delivery by...
Hi how would you detail a concrete deck on decking supported on masonry walls. Im looking here at the support detail at deck/walls. The deck forms a roof
in uk seismic design is becoming more required, so a question to all you out there who have experience in this. what considerations would you give to piled foundations under a seismic load?
Hi I am looking for some general advice on expansion joints in steel frame buildings using precast or composite flooring. What are typical distances etc people use
Hi I have a composite beam that will be under bending and axial load as it forms part of floor bracing. Does anyone know how to solve? I can't find anything guide wise. Do u treat as a non composite and use interaction formulas, but based on the composite bending capacity?
