[1] P. Icenogle, M.S. Kabir, Evaluation of Non-destructive Technologies for Construction Quality Control of HMA and PCC Pavements in Louisiana, Louisiana Transportation Research Center, Louisiana Department of Transportation and Development,Baton Rouge, 2013.
[2] B.H. Nam, J. An, M. Kim, M.R. M., Z. Zhang, Improvements to the structural condition index (SCI) for pavement structural evaluation at network level, International Journal of Pavement Engineering, 17(8) (2015) 680-697.
[3] ASTM D4694-09, Standard test method for deflections with a falling-weight-type impulse load device, ASTM International, West Conshohocken, PA, 2015.
[4] M.Y. Shahin, Pavement Management for Airports, Roads, and Parking Lots, Springer, USA, New York, 2006.
[5] A. Kavussi, M. Abbasghorbani, F. Moghadas Nejad, A.B. Ziksari, A new method to determine maintenance and repair activities at network-level pavement management using falling weight deflectometer, Journal of Civil Engineering and Management, 23(7) (2017) 338-346.
[6] H. Schnoor, E. Horak, Possible method of determining structural number for flexible pavements with the falling weight deflectometer, in Proceedings of the 31th Southern African Transport Conference (SATC 2012),Pretoria, South Africa,(2012) 94–109.
[7] M.Y. Kim, D.Y. Kim, M.R. Murphy, Improved Method for Evaluating the Pavement Structural Number with Falling Weight Deflectometer Deflections, Transportation Research Record, (2013) 120–126.
[8] O. Elbagalati, M. Elseifi, K. Gaspard, Z. Zhang, Development of the pavement structural health index based on falling weight deflectometer testing, International Journal of Pavement Engineering, 2016.
[9] J. Bryce, G. Flintsch, S. Katicha, B. Diefenderfer, Developing a Network-Level Structural Capacity Index for Structural Evaluation of Pavements, Journal of Transportation Engineering, 139(2) (2013) 123-129.
[10] B. Xu, S.R. Ranjithan, Y.R. Kim, New relationships between falling weight deflectometer deflection and asphalt pavement layer condition indicators, Transportation Research Record, (2002) 48-56.
[11] M. Li, H. Wang, Development of ANN-GA program for backcalculation of pavement moduli under FWD testing with viscoelastic and nonlinear parameters, International Journal of Pavement Engineering, 2017.
[12] S.S. Madsen, E. Levenberg, Dynamic backcalculation with different load-time histories, Road Materials and Pavement Design, 2017.
[13] A. Kavussi, N. Soltanifar, Analysis of backcalculations result in FWD test for asphalt pavement, First Transport Infrastructure Conference(TIC), Iran University of Science and Technology,Iran, 2013.
[14] S. Mun, Y.R. Kim, Backcalculation of subgrade stiffness under rubblised PCC slabs using multilevel FWD loads, International Journal of Pavement Engineering, 10(1) (2009) 9-18.
[15] K. Gopalakrishnan, S. Kim, H. Ceylan, O. Kaya, Development of Asphalt Dynamic Modulus Master Curve Using Falling Weight Deflectometer Measurements, Iowa Department of Transportation, Ames, 2014.
[16] B. Izevbekhai, N. Pederson, Investigation of Deflection and Vibration Dynamics of Concrete and Bituminous Pavements Constructed Over Geofoam Minnesota Department of Transportation, Paul, 2010.
[17] S. Kumlai, B. Sangpetngam, S. Chalermpong, Development of Equations for Determining Layer Elastic Moduli Using Pavement Deflection Characteristics, Transportation Research Board, 2014.
[18] H. Behbahani, S.A. Sahaf, Designing a Mathematical Model for Predicting the Mechanical Characteristics of Asphalt Pavements Using Dynamic Loading, International Journal of Civil Engineerng, 5(3) (2007) 236-245.
[19] ASTMD6432-11, Standard guide for using the surface ground penetrating radar method for subsurface investigation, ASTM International, West Conshohocken,PA, 2011.
[20] A.K. Appea, Validation of FWD Testing Results at the Virginia Smart Road: Theoretically and by Instrument Responses, Virginia Polytechnic Institute and State University, Virginia,Blacksburg, 2003.
[21] E.O. Klu, Correlation between the dynamic cone penetration index and the subgrade resilient modulus obtained from the Falling Weight Deflectometer, Kwame Nkrumah University of Science and Technology, Kumasi,Ghana, 2011.
[22] A.T. Papaginnakis, E.A. Masad, Pavement Design and materials, John Wiley & Sons, Inc, USA,New Jersey,hoboken, 2007.
[23] P. Ullidtz, Pavement Analysis. , Elsevier, Amsterdam, the Netherlands, 1987.
[24] A. Nega, H. Nikraz, I.A. Al-Qadi, Dynamic analysis of falling weight deflectometer., Journal of traffic and transportation engineering, 3(5) (2016) 427-437.
[25] G.R. Rada, C.A. Richter, P. Jordahl, SHRP's Layer Moduli Backcalculation Procedure, ASTM international, Washington, DC, 1994.
[26] E. Horak, S. Emery, J. Maina, Review of Falling Weight Deflectometer Deflection Benchmark Analysis on Roads and Airfields, in: Conference on Asphalt Pavements in Southern Africa (CAPSA), Suncity South Africa, 2015.
[27] F.W. Jung, D.F.E. Stolle, Nondestructive Testing with Falling Weight Deflectometer on Whole and Broken Asphalt Concrete Pavements, Transportation Research Board,(1377) (1992) 183-192.
[28] H. ziari, A.M. Afshar, Quick estimation of subgrade modulus with FWD measurement, in04: th Conference on Asphalt and Asphalt Mixes, University of Tehran,Tehran,IRAN, (2008).(In Persian)
)