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Problem 3.  a) Explain the role of optimum moisture content in resilient modulus of soil. b) A summary of resilient modulus test conducted on a subgrade soil, according to the AASHTO T307-99 protocol, is summarized below. Determine the resilient modulus for Sequence No. 8, knowing the average recoverable strain of last five cycles of this sequence is 0.0005. c) Look at image for part C and data

Problem 3.  a) Explain the role of optimum moisture content in resilient modulus of soil. b) A summary of resilient modulus test conducted on a subgrade soil, according to the AASHTO T307-99 protocol, is summarized below. Determine the resilient modulus for Sequence No. 8, knowing the average recoverable strain of last five cycles of this sequence is 0.0005. c) Look at image for part C and data

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 3. 

a) Explain the role of optimum moisture content in resilient modulus of soil.

b) A summary of resilient modulus test conducted on a subgrade soil, according to the AASHTO T307-99 protocol, is summarized below. Determine the resilient modulus for Sequence No. 8, knowing the average recoverable strain of last five cycles of this sequence is 0.0005.

c) Look at image for part C and data 

Confining Deviatoric Sequence Pressure Pressure (psi) (psi) 1 2 WIN 3 4 5 alu 6 6 6 6 7 6 2 4 6 6 4 4 11 12 13 14 15 (c) Estimate the resilient modulus for sequence No. 8 using the following model: M, K₂ k₁P¹³, given the following model constants: K₁= 510, K2=0.3, and K3= - Pa² Pa 0.45. Assume that Pa = 14.7 psi. Comment on the accuracy of the model. 8 10 2 4 Confining Deviatoric Pressure (psi) Sequence Pressure (psi) 8 9 10 4 4 4 2 2 2 6 8 10 2 2 2 4 6 8 10 =
Transcribed Image Text:Confining Deviatoric Sequence Pressure Pressure (psi) (psi) 1 2 WIN 3 4 5 alu 6 6 6 6 7 6 2 4 6 6 4 4 11 12 13 14 15 (c) Estimate the resilient modulus for sequence No. 8 using the following model: M, K₂ k₁P¹³, given the following model constants: K₁= 510, K2=0.3, and K3= - Pa² Pa 0.45. Assume that Pa = 14.7 psi. Comment on the accuracy of the model. 8 10 2 4 Confining Deviatoric Pressure (psi) Sequence Pressure (psi) 8 9 10 4 4 4 2 2 2 6 8 10 2 2 2 4 6 8 10 =
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