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在批林批孔运动的推动下,成都铁路局综合技术室和工电处,为研究改善局管内现行缓和曲线的运营状况,于1974年7月召开“改善现行缓和曲线问题座谈会”,并讨论了贵阳分局在川黔线K205改善缓和曲线的试验情况。 座谈会认为,改善短缓和曲线是当前山区铁路工务工作中的一项重要课题。半年来试验表明,改善后的缓和曲线线型比较适宜,行车平稳度和线路稳定性有显著提高,超高顺坡,正矢和轨距递变均符合现行铁路工务规则的规定,计算简便,易于实施和养护。但其使用范围因受到曲线内移量与夹直线长度的控制,有一定的局限性。今后应进一步扩大试验,认真总结曲线养护经验,把曲线养护质量提高一步。 现将试验情况和有关计算理论摘要介绍,供有关同志们参考。
In line with the pro-Lin Pok campaign, Chengdu Integrated Technology Department of the Railway Administration and Industrial and Technology Department held a seminar on improving the current easement curve in order to study and improve the operational status of the current easing curve in the Bureau. The experiment of improving the easing curve of K205 in Chuan-Qian line by Guiyang Branch was discussed. The symposium held that improving short-term and moderate curves is an important issue in the current work of mountain railway construction. Tests over the past six months show that the improved curve of the mild curve is more suitable, the driving stability and the line stability are significantly improved, and the ultra-high slope, positive vector and gauge changes meet the requirements of the existing railway construction rules. The calculation is simple and easy to implement And conservation. However, its use range is limited by the amount of shift in the curve and the length of the clamp line. In the future should further expand the trial, conscientiously sum up the curve of conservation experience, the quality of curve maintenance step forward. Now the experimental situation and the summary of the theory of computing for reference for the comrades.