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1.INVESTIGATION ON THE LOW-ALLOY STEEL RAIL OF TENSILE STRENGTH 1078N/mm~2
强度为1078N/mm~2的低合金钢轨的研究收藏指正
2.The strength character of PD3 rail is superior to U71Mn rail,but U71Mn rail is fit for the high-speed railway.
PD3钢轨的强度性能优于U71Mn钢轨,但U71Mn钢轨更适合于高速铁路铺设使用。收藏指正
3.This article presentsthe design in consideration of acoustics, struc- ture and strength and test results of the sound barrier for Shenmin RailTransit Line in Shanghai, and offers rational suggestions for the methods to lower the noise from rail traffic.
简要介绍上海市莘闵轨道交通线声屏障工程基于声学、构造、强度等方面的设计概念以及降噪测试效果,针对降低轨道交通噪声的方法提出合理建议。收藏指正
4.By reviewing the cases of environment impact value of urban rail transit in China in recent years, and based on the analysis and summary of environment impact value (EIV) results and practical effects, some problems in environment impact value (EIV) are discussed comprehensively, among which arc the choice of environment protection targets, the accuracy of source strength analogy, forecasting methods of noise and vibration and the principles of control measure.
摘要通过对近年来国内城市轨道交通环境影响评价实例的回顾,在对环境评价结果与实际效果进行分析和总结的基础上,对环境影响评价中的若干问题进行综合探讨,包括环境保护目标的选择、源强类比的准确性、噪声与振动预测方法及采取控制措施的原则等。收藏指正
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