Predictive Model of the Load of Vehicular Traffic With Respect to the Deflections of Flexible Pavements in an Urban Area of the City of Huancayo

Jesús Idén Cárdenas Capcha¹, Francisco Aramayo P.², Mohamed Hadi M.³, and Luis Romero E.⁴

1. Universidad Peruana Los Andes, Peru

2. Universidad Federico Villareal, Peru

3. Russian University of Friendship of Peoples, Russia

4. Federico Villareal National University, Peru

Abstract: In the city of Huancayo, Junín department, in the country of Peru, a research work was carried out in order to determine the relationship of vehicular traffic with deflections in flexible pavements and thus develop a predictive model of vehicular traffic with respect to deflections of flexible pavements in the urban area of the city of Huancayo; For this, a stratified sample of ninety-nine (99) blocks corresponding to the urban roads of Av. San Carlos, Av. Jacinto Ibarra and Mariscal Castilla was studied, whose vehicular traffic is classified as low, moderate and high respectively, finding as results that The sub variables inherent to vehicular traffic such as: Average daily rate, Simple Pneumatic Configuration, Tandem Pneumatic Configuration, Tridem Pneumatic Configuration, Daily Real Vehicle Load, Real Annual Vehicle Load and Vehicle Speed, have a significant relationship with the Sub Variables inherent to the Deflections in flexible pavements such as: Maximum Deflection and Radius of Curvature. Likewise, it was ruled out that the sub-variable Tire inflation pressure of vehicular traffic is significantly related to deflections in flexible pavements. Finally, having demonstrated significant relationships in the sub-variables involved in vehicular traffic and deflections in flexible pavements, the following predictive models were developed: Deflection = 70.817 + 0.006*ADT - 0.211*Simple axes - 0.142*Tandem axles - 0.075*Tridem axles + 0.038*Daily W8.2 - 0.203*Vehicle Speed, as well as: Curvature Radius = 61.9 - 0.003*ADT + 0.141*Simple Axles + 0.181*Tandem Axles + 0.129*Tridem Axles - 0.034*Daily W8.2 + 0.182*Vehicle Speed, which, due to its diffusion and acceptance by the community of road and highway engineers, will be a technical parameter and a reliable non-destructive low-impact alternative for the design, execution and evaluation of urban road works in the city of Huancayo and other departments of the Peruvian country.

Key words: vehicular traffic, deflections in flexible pavements, predictive mathematical models