Measurement and analysis of low‐acceleration and long‐duration longitudinal events using delivery van

This study investigates longitudinal acceleration events during freight transportation characterized as low‐acceleration and long‐duration using delivery van type vehicles. In the past several decades, there has been an increase in shipments requiring only single or small pallet load quantities mixed palletized unit loads comprised of different goods. These are often transported vans without securing devices, increasing risk product loss damage due to failures resulting from shifting. A field data acquisition system was used observe record random five vehicles for 5 days, explicitly targeting vehicles' braking manoeuvres. The aimed understand physical phenomenon provide new information that can be preshipment tests prevent goods ensure integrity is maintained throughout supply chain. were statistically analysed their probability occurrence, severity level, quantify critical parameters such event rise hold times. For manoeuvre, statistical mean average deceleration 0.25 g with a corresponding duration 0.83 1.27 s, respectively. During vehicle's 0.29 time 1.29 1.39 Utilizing data, composite profiles developed, these compared currently available test procedures previous results other studies.