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1975年《铁路标准设计通讯》第1期发表了林俊英同志写的“求曲线钢轨缩短量之图象法及其应用”和第10期发表的鲁壮猷同志写的“也谈‘求曲线钢轨缩短量之图象法’”两篇文章,读后很受启发。为使图象法趋于完善,以适用于目前铁路新线设计、旧线改建和线路大中修中各种不同半径和缓和曲线相搭配的需要,现提出以下补充意见。一、几点看法 1.二次函数ε_ial_i~2中l_i的变化有一定的范围鲁同志的文章认为
In 1975, the first issue of “Railway Standard Design and Communication” published Comrade Lin Chun-ying’s “Image Law for Curving Rail Decrease and Its Application” and “Talks” Image of shortening the amount of rail method ’“” two articles, very inspired reading. In order to make the image law tend to be perfect and suitable for the needs of the current railway new line design, old line reconstruction and large and medium-sized line repair with different radii and mitigation curves, the following supplementary opinions are put forward. First, a few observations 1. The quadratic function ε_ial_i ~ 2 l_i change in a certain range Luru commented that