青藏高原地区铁路隧道绿色施工水平综合评价

针对我国在铁路隧道绿色施工的评价方法缺少,且隧道施工对环境破坏严重的现状,通过深入了解青藏高原地区独特的自然环境和隧道施工的特征,从土壤环境污染防治、固体废弃物污染防治、大气环境污染防治、自然资源破坏防治、资源合理利用、施工人员健康保护6个方面建立综合评价指标体系。将向量夹角余弦法与二维云理论结合,构建基于向量夹角余弦-二维云的评价模型。用该模型对风火山隧道绿色施工水平进行综合评价,并利用MATLAB软件绘制二维综合评价云图反映绿色施工水平,最后通过计算贴近度确保评价结果的准确性。得出的结论与实际施工情况高度吻合,验证了评价指标体系和评价模型的适用性和有效性。

Comprehensive evaluation of the green construction level of railway tunnels in the Qinghai-Tibet Plateau

Aiming at the lack of green construction evaluation methods for railway tunnels in China,and the serious environmental damage caused by tunnel construction,through the in-depth understanding of the unique natural environment and the characteristics of tunnel construction in the Qinghai-Tibet Plateau,a comprehensive evaluation index system has been established in six aspects:the prevention and control of soil environmental pollution,solid waste pollution prevention,prevention and control of atmospheric pollution,prevention and control of natural resources,reasonable use of resources,and health protection of construction workers.Combining the vector angle cosine method with the two-dimensional cloud theory,an evaluation model based on the vector angle cosine-two-dimensional cloud is constructed.This model was used to comprehensively evaluate the green construction level of Fenghuoshan Tunnel,and MATLAB software was used to generate a two-dimensional comprehensive evaluation cloud to reflect the green construction level.Finally,the accuracy of the evaluation results was ensured by calculating the closeness.The conclusions drawn are in good agreement with the actual construction situation,which verifies the applicability and effectiveness of the evaluation index system and evaluation model.