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Using the layered AASHTO pavement design method, determine which one of two pavement section options results...
Q3: A flexible pavement is to be designed according to the AASHTO design method. The total...
Q3: A flexible pavement is to be designed according to the AASHTO design method. The total expected ESAL for a new highway = 9 x10®, APSI= 2, reliability = 99%, overall standard deviation = 0.4, if the pavement layers are: Layer Thickness (inch) Structural layer coefficient Wearing surface 4 ai = 0.44 Base 4 a2 = 0.14 Subbase ? az = 0.11 The subgrade resilient modulus=20,000 psi, m2, mz=1, determine the thickness required for the subbase layer?
7. Use the AASHTO design method to determine the thickness of full depth AC pavement given the following informatio...
7. Use the AASHTO design method to determine the thickness of full depth AC pavement given the following information: subgrade resilient modulus is 10,000 psi; AC layer coefficient is 0.42; total ESAL on the design lane is 5x10°; reliability level is 95%; overall standard deviation is 0.40; initial serviceability index is 4.5; terminal serviceability index is 2.5; drainage coefficients for aggregate layers is 0.85. Show your work on the figure below 50 Design Serviceability Low APS 10 99.9 e 40...
(20 pts) Given the conditions below, determine the layer thicknesses (D1 and D2) of flexible pavement based on 1993 AASHTO flexible pavement design concepts. Show all the tables and diagram used and...
(20 pts) Given the conditions below, determine the layer thicknesses (D1 and D2) of flexible pavement based on 1993 AASHTO flexible pavement design concepts. Show all the tables and diagram used and assume other conditions if needed 8. Given Two layer system (asphalt layer (Dı) and granular base (D2)) on subgrade Design Period 20 years Expected ESALs, W18 30x106 ESALs Reliability-90% . ZR--1.282 .So- 0.45 APSI 1.7 Subgrade (MR) 12000 psi Granular Base AASHTO A-1-a (40000 psi) Granular Base Coefficient...
Q3: A flexible pavement is to be designed according to the AASHTO design method. The total expected ESAL for a new highway = 9 x10®, APSI= 2, reliability = 99%, overall standard deviation = 0.4, if the pavement layers are: Layer Thickness (inch) Structural layer coefficient Wearing surface 4 ai = 0.44 Base 4 a2 = 0.14 Subbase ? az = 0.11 The subgrade resilient modulus=20,000 psi, m2, mz=1, determine the thickness required for the subbase layer?
7. Use the AASHTO design method to determine the thickness of full depth AC pavement given the following information: subgrade resilient modulus is 10,000 psi; AC layer coefficient is 0.42; total ESAL on the design lane is 5x10°; reliability level is 95%; overall standard deviation is 0.40; initial serviceability index is 4.5; terminal serviceability index is 2.5; drainage coefficients for aggregate layers is 0.85. Show your work on the figure below 50 Design Serviceability Low APS 10 99.9 e 40...
(20 pts) Given the conditions below, determine the layer thicknesses (D1 and D2) of flexible pavement based on 1993 AASHTO flexible pavement design concepts. Show all the tables and diagram used and assume other conditions if needed 8. Given Two layer system (asphalt layer (Dı) and granular base (D2)) on subgrade Design Period 20 years Expected ESALs, W18 30x106 ESALs Reliability-90% . ZR--1.282 .So- 0.45 APSI 1.7 Subgrade (MR) 12000 psi Granular Base AASHTO A-1-a (40000 psi) Granular Base Coefficient...
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