In Figure 402-2 solve for the match line number using the following information. Design a suitable pavement section for a design life of 15 years.
Design Of Flexible Pavement
The roads shall all be designed on the same subgrade.
. 2 Position of Dynaflect sensors and load wheels 3 Typical deflection basin. LIST OF FIGURES Figure 1 A pavement section of n layers. This implies that also pavements with a relatively stiff cement treated subbase or base are classified as a flexible pavement.
The ADT of truck traffic based on the last count was 8000. This project will consist of the construction of a new flexible pavement to extend Route 123 to intersect with Route I-80 in North Jersey. Route 123 MP 73 110 Hometown NJ Description.
Find Required Thickness For Each Aircraft. Full PDF Package Download Full PDF Package. The current version is FPS-11 which designates this as the eleventh major version of the system.
4 Typical traffic curves 5 A pavement performance curve 6 Effect of foundation movements in the absence of traffic for P 2 15. Higher SN means stronger pavement thus the impact of traffic on pavement deteriorations is less. Design criteria prior to submitting the final pavement design.
S 0 050 a base HMA 044 Poor. 125 mm 05 inch Superpave with E 3447 MPa 500000 psiBinder course. Based on the 1993 AASHTO Guide for Design of Pavement Structures for flexible pavements with the following inputs.
This spreadsheet was designed to produce flexible pavement design thickness in accordance with FAA Advisory Circular AC 1505320-6D Airport Pavement Design and Evaluation. It is not intended as definitive treatise and it does not encompass the design of. Includes a basis of elastic multi-layer analysis of pavement.
For example a dual wheel aircraft weighing 125000 pounds could be input as a DUAL100 or a DUAL150 aircraft. 20 years TERMINAL SERVICE. Design three types of highways all main roads but with different traffic loads.
The Flexible Pavement Design System is known in the Department as FPS. March 15 2008. Reliability 85 Figure 201-1 Overall Standard Deviation 049 Figure 201-1.
Hence the design of flexible pavement uses the concept of layered system. So we must check if the final SN 3 is similar to the assumed SN. Determine the traffic ESAL Calculate the Select the performance level Solve for the required Topic 7 AASHTO Flexible Pavement Design 134 Design Notes i.
M R 70 MPa 10000 psi a. In the AASHTO flexible pavement design traffic is considered in terms of ESAL for the terminal PSI Table 2013 for p t 25 We must assume the structural number of the pavement. Different types of flexible pavement structures.
7 Effect of foundation movernen ts in the absence of traffic. Examples of design with different systems. Sub-base specified material secondary load spreading layer prevent infiltration of sub-grade into pavement construction platform for construction traffic drainage layer 3.
Some examples of what is considered to be a flexible pavement are given in figure 1. Based on this flexible pavement may be constructed in a number of layers and the top layer has to be of best quality to sustain maximum compressive stress in addition to wear and tear. Use E 3447 MPa 500000 psiBase course.
Flexible pavement structure Elements of a flexible pavement. January 2018 Introduction 1-3 Florida Department of Transportation. Example Of Pavement Design For A New Bypass.
FLEXIBLE PAVEMENT DESIGN MANUAL PUBLISHED BY FLORIDA DEPARTMENT OF TRANSPORTATION PAVEMENT MANAGEMENT OFFICE 605 SUWANNEE STREET MS. Dense-graded HMA mix with a nominal maximum aggregate sizeof 25 mm 1 inch. The Asphalt Institute Method is also used in the design of flexible pavement and this method.
Surface shall be hot mix asphalt or asphalt treated material. SAMPLE MEAN YEAR ADL. 75 Example Thickness Design Flexible Pavements 751 Total Thickness 752 Minimum Base and Pavement Thicknesses.
PSI 15 a surface HMA 044 Subgrade condition effective modulus. Flexible Pavement Design Example January 2022 Page 2 402-1 Reference Section 402 Step 3 - Determine the design structural number SN using Figures 402-2 and 402-3. Streets are to be constructed of either asphaltic concrete pavement or Portland cement.
Topic 7 AASHTO Flexible Pavement Design 133 Definition of Structural Number BASE AC SUB-BASE D1 D2 D3 Structural Coefficient a. A Project report on DESIGN OF A FLEXIBLE PAVEMENT FOR AN EXISTING COLONY. FLEXIBLE PAVEMENT DESIGN PROJECT.
61 WIDENING DETAIL for SAMPLE PROBLEM 6-7 71 FLEXIBLE PAVEMENT REHABILITATION 7-2 PROCESS 72-74 EXAMPLE DEFLECTION PLOTS 7-4 - 7-6. Small element pavement are considered to be a flexible pavement. Distribution characteristic flexible pavements normally has many layers.
SAMPLE DEPTH Wearing course pavement 100 038 Binder course pavement 250 038 500 034 750 309 Crushed Gravel 1200 010 650 356. The directional split of traffic is 5545. FPS dates its beginning to the American Association of State Highway Officials AASHO Road Test conducted in Ottawa Illinois.
521 Design Example 520 522 Design Base Highwater Clearance 530 523 Laboratory Resilient Modulus M R 540 524 Resilient Modulus M. A short summary of this paper. Mechanistic design procedures may be substituted in the City of Loveland.
The designer shall review the ME. Two-lane single carriageway 400 CVday sum of both directions Initial traffic in a year of completion of construction Traffic growth rate per annum 75 percent. Download Full PDF Package.
Flexible Pavement Design Manual Revised. Flexible Pavement Design IRC 37-2001. 32 Full PDFs related to this paper.
A fnc a1 a2 a3 Basic Procedure. 1013 Pavement Type. 1993 Guide for the Design of Pavement Structures.
This is an introduction to flexible pavement design for engineers. Design a new flexible pavement for a major interstate highway using the following conditions four lanes each direction. Example A new four lane divided highway is to be constructed on a subgrade of CBR 18.
Vehicle damage factor based on axle load survey was 40. M R 35 MPa 5000 psi m 10 a ATB 030 Average. Sub-grade upper layer of natural soil or fill support load transmitted from overlaying layers.
New Flexible Pavement Design Example 1993 AASHTO Pavement Design Project Name and Location. The base layer shall be asphalt asphalt treated material or crushed gravel or rock.
