Effects of temperature on elastic-viscoplastic behaviour of clay

温度对粘土弹粘塑性行为的影响

• 批准号: 3712-2009
• 负责人: Graham, James
• 金额: $ 1.38万
• 依托单位: University of Manitoba
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2012
• 资助国家: 加拿大
• 起止时间: 2012-01-01 至 2013-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=505054
• 关键词: Effects; temperature; elastic; viscoplastic; behaviour

Roads and highways in Northern Canada are negatively affected by settlement and lateral spreading associated with warming climates in regions of degrading or degraded permafrost. The roads are important lines of communications and supply for many northern communities. Current remedial measures include frequent regrading and resurfacing. However, this often provides only temporary solutions that merely compound the problem. Road clearing and asphalt surfacing make the problems worse by adding weight and heat inflow. Many roads require remedial work several times each year. Concern for accessibility and current climate trends means that the problems have become issues for public safety and economics.

加拿大北方的道路和高速公路受到永久冻土退化或退化地区气候变暖引起的沉降和横向扩展的负面影响。 这些道路是许多北方社区的重要交通和供应线。目前的补救措施包括经常重铺路面。 然而，这往往只能提供临时的解决办法，只会使问题更加复杂。 道路清理和沥青路面增加了重量和热流入，使问题变得更糟。 许多道路每年都需要进行多次修补工作。 对可达性和当前气候趋势的关注意味着这些问题已成为公共安全和经济问题。