Hello, I am having a problem determining the total amount of material needed for a particle size analysis wash portion only. I have always known that florida dot required a minimun of 300 grams per wash for a fine soil (-4 Material). But a particle size analysis calls for 110 grams for sandy soil and 60 grams for clay. Any information is greatly appeciated! Thank You, enggal2
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AASHTO T-88 Wash Portion ONLY 1
- Thread starter enggal2
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The AASHTO method defines the minimum amount of material to be used to obtain the gradation to a specified level of accuracy. However, we all bend to the wishes of the local agency when they are paying for the testing - as long as the amount exceeds the AASHTO minimum, there is no problem from a technical point of view.
Sorry, I don't have my AASHTO specs handy to comment on or verify your specific interpretation of the requirements of T 88.
Jeff
Jeffrey T. Donville, PE
TTL Associates, Inc.
The views or opinions expressed by me are my own and do not necessarily reflect the views or opinions of my employer.
Sorry, I don't have my AASHTO specs handy to comment on or verify your specific interpretation of the requirements of T 88.
Jeff
Jeffrey T. Donville, PE
TTL Associates, Inc.
The views or opinions expressed by me are my own and do not necessarily reflect the views or opinions of my employer.
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