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Category > Computer Science Posted 05 May 2017 My Price 7.00

A rigid pavement is being designed with the same

A rigid pavement is being designed with the same parameters as used in Problem 4.5. The modulus of subgrade reaction is 300 lb/in3 and the slab thickness is determined to be 8.5 inches. The load transfer coefficient is 3.0, the drainage coefficient is 1.0, and the modulus of elasticity is 4 million lb/in2 . What is the design modulus of rupture? (Assume that any parameters not given in this problem are the same as those given in Problem 4.5.)

Problem 4.5

A flexible pavement was designed for the following daily traffic with a 12-year design life: 1300 single axles at 8,000 lb each, 900 tandem axles at 15,000 lb each, 20 single axles at 40,000 lb each, and 200 tandem axles at 40,000 lb each. The highway was designed with 4 inches of hot-mix asphalt (HMA) wearing surface, 4 inches of hot-mix asphaltic base, and 8 inches of crushed stone sub base. The reliability was 70%, overall standard deviation was 0.5, http://test.transtutors.com/qimg/7380c5ff-3b04-4297-8d90-0188ab700778.pngPSI was 2.0 (with a TSI of 2.5), and all drainage coefficients were 1.0. What was the soil resilient modulus of the subgrade used in design?

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 05 May 2017 01:05 PM My Price 7.00

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file 1493990317-Answer.docx preview (229 words )
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