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Track Creep: Experience, Modeling Efforts, and Consequences of Work Done at the 100 Meter Green Bank Telescope

机译:追踪蠕变:100米绿色银行望远镜的经验,建模工作和工作后果

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This document will discuss the efforts and progress made in understanding, modeling, quantifying, and mitigating the stresses and behavior induced by creep motion in the 100 meter Green Bank Telescope's (GBT) azimuth track. From its commissioning the GBT azimuth track has been plagued by the side effects of creep motion induced by the 1,000,000 lb rolling load of each of its wheels. This paper will discuss the degrading effects of creep motion, similarities seen in other track systems, and the mitigation efforts employed to maintain track performance. It will also discuss efforts to understand and numerically model the track behavior, efforts to bound stresses using classical calculations, and suggest the direction for further work.
机译:本文档将讨论在理解,建模,量化和减轻100米格林银行望远镜(GBT)方位角轨道上的蠕变运动引起的应力和行为方面所做的努力和取得的进展。从开始调试以来,GBT方位角轨迹一直受到其每个车轮的1,000,000 lb滚动载荷引起的蠕变运动的副作用的困扰。本文将讨论蠕变运动的降级效果,在其他轨道系统中看到的相似性以及为保持轨道性能而采取的缓解措施。它还将讨论为理解和数字化轨道行为而进行的努力,使用经典计算来限制应力的努力,并提出进一步工作的方向。

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