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Thanks, I will look it up. I also have found an equipment classifieds magazine to be useful called "Rock & Dirt" which I use to call suppliers who are more than eager to educate me.

what about crushers and hammermills or other methods of communition on what materials? clay? is there some sort of boundary ucs of a rock type that will break up easier in a hammer mill than a jaw crusher? Is there a website showing all equipment manufacturers for this stuff? conveyors...

Can anyone tell me if there is a good dredging manual or handbook available that describes the conditions of and equipment used?

Thanks, got that info on the loaders, any handbooks on general material handling? I've had to call suppliers to educate me, but I would think that there should be something else available?

Can anyone tell me if there is a basic book on earth handling equipment for design purposes. such as crushers, hammer mills, trommels, conveyors, bucket equipment, dredging, etc. I'm an underground mining guy and want to learn a bit about this equipment and processes. from hardrock to clay to...

in the mining game, we use slag cements for mine backfill. the standards for cement replacements are not as strict regarding astm, but we do testwork to prove. we get over 90% slag replacement of cement. the slag cements in this case take longer to set initially but surpass 100% opc in the long...

Thanks, is there a manufacturer of this type of system?

What type of pump or system can be used to slurrify dry sand that is not at the bottom of a pond (as in a typical dredging operation). Is there such a thing as a pump that has some type of water jet(s) near the intake to assist in getting sands into suspension before pumping. I was hoping to...

please seek professional advice on this. look up Mining Engineering or Geotechnical Engineering on the web.

Thanks for the help, found out that Sullivan Mine in BC and Nanasivik on Baffin Island used it, but both are now closed, also that coal mines, some gypsum mines use it and the diamond mines.

Thanks, the cameco stuff is what I was looking for, but more for base metals. What about DMS on surface? In Canada? US? Kivi,

Thanks, I'm actually in Sudbury, never heard of it here, though I'm not involved with these types of systems. Do you know which mines? I'm trying to learn more about it from the operations.

Does anyone know of a mine that is doing heavy media separation underground? as I understand, it is when the ore is crushed down to 6mm and the waste rock is separated before it is hoisted (or pumped) to surface. thanks,

All will work. From your point of view, it is only an infrastructure thing to ensure that they reliably work and that there is a back up way of initiating blasts. You may want to involve a mine operator (such as experienced mine captain/general foreman) in this decision once you have identified...

Hi, Does anyone know how to stop the pinging noise at discharge end of a long pipeline (1000m)? I've been told by some contractors to make an accumulator of air with a tee? I'd like to do some homework before I just start slapping in things to try. Thanks,

How do you normally compact sand, sand/silt or gravel after it is placed from dredging as a slurry. Thanks,

thanks, I just wanted to know general info.

When vibrating soil for compaction, what are the practical limits for influence?

Very good point BigH, where do I sign to lobby for common PEng across Canada

Is this the same stuff that I can buy at Home Depot in a can to spray in behind door and window frames?