Q5. Given the following information: A concrete pavement for two lane highway has doweled joints and no concrete shoulders. The modulus of subgrade reaction is 200 pci (54.2MN/m3), and the modulus of rupture is 650 psi (4.5Mpa). Assume a load safety factor of 1.1. truck weight distribution data for single axle load is as follows: Axle load(kips) Single axles 28 26 Multiplied by LSF (1.1) 24 2 Expected repetitions 30.8 28.6 26.4 3 5,913 12,483 15,111 22 24.2 102,492 Using a trial thickness of 8 in. Fill in the empty spaces using PCA design method Erosion analysis Allowable repetitions 4 6. Erosion factor Erosion percent 5
Q5. Given the following information: A concrete pavement for two lane highway has doweled joints and no concrete shoulders. The modulus of subgrade reaction is 200 pci (54.2MN/m3), and the modulus of rupture is 650 psi (4.5Mpa). Assume a load safety factor of 1.1. truck weight distribution data for single axle load is as follows: Axle load(kips) Single axles 28 26 Multiplied by LSF (1.1) 24 2 Expected repetitions 30.8 28.6 26.4 3 5,913 12,483 15,111 22 24.2 102,492 Using a trial thickness of 8 in. Fill in the empty spaces using PCA design method Erosion analysis Allowable repetitions 4 6. Erosion factor Erosion percent 5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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