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Immersion Marshall Stability

Immersion Marshall Stability

Immersion Marshall Stability

In Canada, we used the Immersion Marshall test for asphalt pavement in airport projects. Also, in road usage. However, it is not a standard test. Is there similar test in the US, or the rest of the world ?

The test is comparison between the regular Marshall test, with the test with 24 hour immersion of the briquettes in 140F water bath (60C). Usually, you make 2 sets of 4 briquettes each. One set to be tested regularly, the others to be immersed first . We usually require a minimum 75% retained in Stability.


RE: Immersion Marshall Stability

In the US, the FAA used to require Marshall Immersion Tests.  Haven't seen then in the last 10 years.  As you may know, the TSR test (using a Lottman breaking head) is what is commonly used today.  Test method is exactly the same, only the breaking head is different.

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