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problem with bs limits/graph?????? HELP!!!!!

problem with bs limits/graph?????? HELP!!!!!

problem with bs limits/graph?????? HELP!!!!!

I am wondering whether anyone can help me, im working as a CAD technician in the structural department for Arup, and i am attending college, i have done a lab test for the course to grade aggregates but cant seem to draw the graph or find the bs limits out so i can grade the aggregates, i have the bs limts sheets and the bs limits graph to be drawn on but dont know how to draw the graph and then find out the bs limits!!!!

any help would be great



RE: problem with bs limits/graph?????? HELP!!!!!

It sounds as though you need to start with a good text book.  You must be able to borrow one from someone in Arup.
The graphs are usually drawn as cumulative percent passing a certain seive.  For example the first point on your graph may be the percentage (by mass relative to your total sample) that passes through the 50 mm seive (thus all the portions of the sample that are less than 50 mm size).  The next point may be the percentage that passes through the 40 mm seive, and so on.

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