pavement design calculation

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PAVEMENT DESIGN 4 Lane Ns = 365 x A x ((1+r)^n-1)/r x F 365 0.5 Design Traffic for initial 5 years VDF Growth Rate Traffic Bus 1.5 2009 - 2013 0.05 Bus 248 LCV 2 2014-2018 0.05 LCV 157 2A 4.5 2019-2023 0.05 2A 1160 3A 5 2024-2028 0.05 3A 1485 MAV 5.5 MAV 153 CALCULATION 365 A ((1+r)^n-1)/r VDF DF Bus 365 248 5.526 1.5 0.5 LCV 365 157 5.526 2 0.5 2A 365 1160 5.526 4.5 0.5 365 1485 5.526 4.5 0.5 MAV 365 153 5.526 5.5 0.5 Total Design Traffic for initial 10 years 365 0.5 VDF GR Traffic Bus 1.5 2009 - 2013 0.05 Bus 316 LCV 2 2014-2018 0.05 LCV 200 2A 4.5 2019-2023 0.05 2A 1481 3A 5 2019-2023 0.05 2A 1895 MAV 5.5 2024-2028 0.05 MAV 196 CALCULATION 365 A ((1+r)^n-1)/r VDF DF Previous va Bus 365 316 5.53 1.5 0.5 0.37 LCV 365 200 5.53 2 0.5 0.32 2A 365 1481 5.53 4.5 0.5 5.27 3A 365 1895 5.53 5 0.5 6.74 MAV 365 196 5.53 5.5 0.5 0.85 Total

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Design of Pavement as per IRC

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276PAVEMENT DESIGN4 LaneNs = 365 x A x ((1+r)^n-1)/r x F3650.5Design Traffic for initial 5 yearsVDFGrowth RateTrafficBus1.52009 - 20130.05Bus248LCV22014-20180.05LCV1572A4.52019-20230.052A11603A52024-20280.053A1485MAV5.5MAV153CALCULATION365A((1+r)^n-1)/rVDFDFBus3652485.5261.50.50.37LCV3651575.52620.50.322A36511605.5264.50.55.2736514855.5264.50.56.74MAV3651535.5265.50.50.85Total13.54Design Traffic for initial 10 years3650.5VDFGRTrafficBus1.52009 - 20130.05Bus316LCV22014-20180.05LCV2002A4.52019-20230.052A14813A52019-20230.052A1895MAV5.52024-20280.05MAV196CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3653165.531.50.50.370.85LCV3652005.5320.50.320.722A36514815.534.50.55.2711.993A36518955.5350.56.7416.29MAV3651965.535.50.50.851.94Total31.79Design Traffic for initial 15 years3650.375VDFGRTrafficBus1.52009 - 20130.05Bus404LCV22014-20180.05LCV2552A4.52019-20230.052A18903A52019-20230.052A2418MAV5.52024-20280.05MAV250CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3654045.531.50.50.851.46LCV3652555.5320.50.721.232A36518905.534.50.511.9920.5636524185.5350.516.2928.48MAV3652505.535.50.51.943.32Total55.07Design Traffic for initial 20 years3650.375VDFGRTrafficBus1.52009 - 20130.05Bus515LCV22014-20180.05LCV3262A4.52019-20230.052A24123A52019-20230.052A3086MAV5.52024-20280.05MAV319CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3655155.531.50.51.462.24LCV3653265.5320.51.231.892A36524125.534.50.520.5631.513A36530865.5350.528.4844.04MAV3653195.535.50.53.325.09Total84.78Pavement CompositionSurface course for 40 msa for 10 yrs design period ai 7% CBR of subgrade40mm BC120mm DBMSub base/Base course for 100 msa for 20yrs design period250mm Base230mm Sub-baseTotal630mm

313PAVEMENT DESIGN4 LaneNs = 365 x A x ((1+r)^n-1)/r x F3650.5Design Traffic for initial 5 yearsVDFGrowth RateTrafficBus1.52009 - 20130.05Bus166LCV22014-20180.05LCV2782A4.52019-20230.052A13443A52024-20280.053A1546MAV5.5MAV158CALCULATION365A((1+r)^n-1)/rVDFDFBus365165.90425.531.50.50.25LCV365278.49155.5320.50.562A3651344.3333755.534.50.56.103A3651546.4216255.534.50.57.02MAV365158.429255.535.50.50.88Total14.81Design Traffic for initial 10 years3650.5VDFGRTrafficBus1.52009 - 20130.05Bus212LCV22014-20180.05LCV3552A4.52019-20230.052A17163A52019-20230.052A1974MAV5.52024-20280.05MAV202CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3652125.531.50.50.250.57LCV3653555.5320.50.561.282A36517165.534.50.56.1013.893A36519745.5350.57.0216.97MAV3652025.535.50.50.882.00Total34.71Design Traffic for initial 15 years3650.375VDFGRTrafficBus1.52009 - 20130.05Bus270LCV22014-20180.05LCV4542A4.52019-20230.052A21903A52019-20230.052A2519MAV5.52024-20280.05MAV258CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3652705.531.50.50.570.98LCV3654545.5320.51.282.192A36521905.534.50.513.8923.823A36525195.5350.516.9729.67MAV3652585.535.50.52.003.43Total60.10Design Traffic for initial 20 years3650.375VDFGRTrafficBus1.52009 - 20130.05Bus345LCV22014-20180.05LCV5792A4.52019-20230.052A27953A52019-20230.052A3215MAV5.52024-20280.05MAV329CALCULATION365A((1+r)^n-1)/rVDFDFPrevious valueBus3653455.531.50.50.981.50LCV3655795.5320.52.193.362A36527955.534.50.523.8236.513A36532155.5350.529.6745.88MAV3653295.535.50.53.435.26Total92.51Pavement CompositionSurface course for 40 msa for 10 yrs design period ai 7% CBR of subgrade40mm BC120mm DBMSub base/Base course for 100 msa for 20yrs design period250mm Base230mm Sub-baseTotal630mm