(Bonus 5 pts) The triaxial resilient modulus test is one of the most recognized

Question

(Bonus 5 pts) The triaxial resilient modulus test is one of the most recognized testing methods. It is sensitive to testing conditions and difficult to conduct the test. Choose the one statement that does not correctly describe the test. a) The resilient modulus of fine-grained soil is directly affected by the deviator stress applied to the specimen, and has been used to categorize pavement materials into six classes b) The resilient modulus can be incorporated into the most recent mechanistic pavement design techniques. c) This test can be conducted on all types of soils in pavements and can capture the seasonal effect of soils. d) In order to update the resilient modulus models, a series of laboratory tests were conducted with different confining pressures and deviator stresses. The testing sequence is documented in AASHTO TP46-94 expressed in the K-Theta models resilient modulus of underlying layer. e) The resilient modulus of granular materials is sensitive to stress state and can be best f The resilient modulus of a certain layer can be obtained from CBR value and/or from

Explanation / Answer

Answer:

given that:

THE STATEMENT THAT DOES NOT CORRECTLY DESCRIBE THE TEST IS STATEMENT "D" i.e.

In order to update the resilient modulus models, a series of laboratory test were conduct with different confine pressures and deviator stress The testing series is recognized in AASHTO TP46-94.

THE ABOVE STATEMENT IS SAID TO BE FALSE AS AASHTO TP46-94 DOES NOT EXPLAIN ABOUT TRIAXIAL RESILIENT MODULUS TEST.

BUT THE TEST PROCEDURE WAS DOCUMENTED IN AASHTO T 307..

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