Non-Localized Effects on Coupled Construction Vehicle-Rural Road Vibration

In order to understand the influence of non-local effects of rural road subsoil soil skeleton on the vibration attenuation of rural roads randomly induced by engineering construction vehicles. This study aims to establish a coupled 1/4 vehicle-rural road vibration response model considering non-local effects of soil skeleton and non-local effects of fluid in rural road subgrade, and to form a coupled vehicle-rural road interaction system considering non-local effects of soil skeleton and non-local effects of fluid in rural road subgrade. It reveals the influence of the non-local effect of soil skeleton and non-local effect of fluid on the coupled vibration response characteristics of rural roads under the random excitation of engineering construction vehicles. The results show that at low frequencies, the geometric factor of soil skeleton is the main factor affecting the amplitude and pore pressure of the rural road in semi-infinite space under the random excitation of engineering construction vehicles, and the non-local superposition effect of fluid in the soil has little effect on the amplitude and pore pressure. Road surface condition is the key factor affecting the vibration level of rural roads in infinite space under random excitation of engineering construction vehicles. Vehicle speed is the decisive factor affecting the vibration degree of rural roads on infinite space under random excitation of engineering construction vehicles. Thus, the effects of non-local effects of soil skeleton, non-local effects of fluid in soil, road surface unevenness and vehicle speed on the vibration degree of rural roads are clarified. The coupled engineering vehicle-rural road vibration theory system is improved.