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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >TIRE/PAVEMENT STRAIN TENSOR MEASUREMENT WITH AN INFRASTRUCTURE-BASED APPROACH
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TIRE/PAVEMENT STRAIN TENSOR MEASUREMENT WITH AN INFRASTRUCTURE-BASED APPROACH

机译：基于基础设施的方法的轮胎/路面应变张量测量

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摘要

Studies are conducted at the LCPC for investigating the role of infrastructures in road safety. In Ms context, tire/pavement contact characterization is a key point for both vehicle and road surface optimization. For this purpose, car industry usually instruments dedicated cars with wheel dynamometers but this procedure doesn't offer the possibility to observe a large set of vehicles in practice. Regarding road management, it has been chosen to use the infrastructure itself as an instrument for acquiring the complete 6-components stress tensor. In this paper, a new test apparatus allowing this is shown, using a mechanically isolated part of the pavement. Validations are presented on a variety of situations such as emergency braking and constant speed driving. Correlations with inboard vehicle sensors measurements and numerical models have been worked out.
机译：LCPC进行了研究，以调查基础设施在道路安全中的作用。就女士而言，轮胎/路面接触特性是车辆和路面优化的关键。为此，汽车工业通常使用轮式测功机来测量专用汽车，但此过程实际上无法观察到大量车辆。关于道路管理，已选择使用基础设施本身作为获取完整的6分量应力张量的工具。在本文中，显示了一种新的测试设备，该设备使用了路面的机械隔离部分。在各种情况下都可以进行验证，例如紧急制动和恒速行驶。已经确定了与车内传感器测量值和数值模型的相关性。

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