How to Evaluate Asphalt Binder Properties for Use in Balanced Mix Design


When incorporating more RAP in asphalt the industry is trending towards a performance balanced approach in mix design. Testing and storing key binder property measurements such as Delta TC, critical intermediate temperature, and other important binder properties separate from asphalt data makes modeling the influence of binder characteristics on mix performance much more difficult. When you perform tests in one spreadsheet or system, while running analysis in another, you are forced to copy information from both, making this process inefficient and increasing the risk of errors. In this Lightning Demo, we'll demonstrate how LASTRADA makes the balanced mix design process easier, by natively supporting the testing and storage of binder properties. 



October 29th, 2020 5:01 AM / by Dan Ridolfi

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Testing from the Perspective of an Asphalt Plant Receiving Binder 

Log asphalt binders, select products, and perform binder tests in the Bitumen Receiving Inspection module. 

Log Asphalt Binders


Testing from the Perspective of a Production Facility

Add your sample and header data before performing tests from the Asphalt Binder Production QC module. 


LASTRADA calculates binder properties when you enter test data and hit the calculator button. This test is looking at delta TC. 

Test looking at Delta TC


LASTRADA can also determine your intermediate cracking temperature when you log your data and hit calculate. 

Software internal cracking visual


Move towards a balanced mix design in performance testing by utilizing LASTRADA's modules and testing functions to record data and run tests. 



The asphalt industry is moving towards a balanced approach to mixed designs using performance testing. These performance tests are highly influenced by the properties of asphalt binder having Delta TC critical intermediate temperature and other binder properties stored in separate locations or spreadsheets creates a barrier to modeling the influence of these binder characteristics on mixed performance. You're forced to perform tests in one spreadsheet and run analysis in another. Inefficiently copying information from both. In this Lightning Demo, we'll show you how LASTRADA natively supports testing of these important binder properties and stores it ready for use in your balanced mix design analysis.

Asphalt binders in LASTRADA can be tested from two perspectives. The first perspective is received binder to an asphalt plant, so I can log asphalt binders I can select a product that we have available to that plant, and then I can do my tests on that binder.

Binders can also be tested from the perspective of the production facility I'm going to take that perspective for this demo. I'm adding a new sample. I've added relative header data to the sample and now we're going to go ahead and enter our test data.

Once I enter my test data LASTRADA calculates Delta TC for me. Now, let's go look at T intermediate. To have LASTRADA determine our intermediate critical cracking temperature we open our test dialog and we enter our data. Once all our data is entered LASTRADA will calculate the critical temperature for us. In the intermediate critical cracking temperature for this sample is 10.2 degrees C.

For more ways, LASTRADA can simplify your work, check out our other Lightning Demo videos at, or visit our contact page to speak with one of our engineers.


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