Impact on the bearing capacity of an ice road with localized thin areas due to a moving load

冰路、冰跑道和冰平台为加拿大偏远地区提供了至关重要的通道，为**与世隔绝的社区提供补给，以及为**加拿大的经济增长勘探和开发自然资源。准确地确定这些冰盖的安全承载能力是至关重要的，并与作为设计参数的冰层厚度密切相关。在实验室环境中研究这一点提供了一个**受控和可重复的环境，以检查薄冰层对**冰盖承载能力的影响。对此的最初研究集中在冰盖中心施加的固定载荷，该载荷与薄层之间有**确定的距离。在现实中，结冰道路上的货物将推动卡车沿**道路行驶。因此，研究局部薄**区对移动荷载的影响是至关重要的。而且，薄层如何降低冰盖对移动载荷的承载能力？为了使**NOR-EX将移动荷载产生的有效冰厚度直接应用于他们的冰路设计方法**，需要了解移动荷载将如何受到薄层的影响。**该研究项目的结果将使NOR-EX Engineering Ltd.能够继续建立他们对**移动荷载将如何受到薄层影响的理解，并开发确保**使用其冰路的车辆的安全的方法。

Ice roads, ice runways, and ice platforms provide vital access to remote areas of Canada for the resupply of**isolated communities as well as the exploration and development of natural resources for economic growth in**Canada. Accurately determining the safe bearing capacity for these ice covers is critical, and is closely**dependent on the ice thickness as a design parameter. Investigating this in a laboratory setting provides a**controlled and repeatable environment to examine the impact thin ice zones have on the bearing capacity of an**ice cover. The first studies of this focused on a stationary load applied at the centre of the ice sheet which had**a defined distance from the thin zone. In reality, the loads on ice roads will be moving trucks traveling along**the road. Therefore, it is essential that one investigates how a moving load will be impacted by localized thin**zones. And, how will a thin zone reduce the bearing capacity of an ice cover for a moving load? In order for**NOR-EX to apply the effective ice thickness results from a moving load directly to their ice road design**methodology there is a need to understand how a moving load will be affected by a thin zone. The results of**this research project will allow NOR-EX Engineering Ltd. to continue to build their understanding on how a**moving load will be affected by a thin zone and to develop methodology for ensuring safety of vehicles using**their ice roads.