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Geo-environmental suitability assessment for tunnel in sub-deep layer in Zhengzhou
European Journal of Remote Sensing ( IF 3.7 ) Pub Date : 2020-07-10 , DOI: 10.1080/22797254.2020.1788994
Lin Guo 1, 2 , Xiaojing Guo 1 , Binghua Wu 1 , Po Yang 1, 3 , Yafei Kou 1 , Na Li 1 , Hui Tang 1
Affiliation  

ABSTRACT

In order to better provide geological basis for the rail transport planning in Zhengzhou, the geo-environmental suitability assessment for tunnel in sub-deep layer was carried out. In the study, the multi-objective linear weighted function method and analytic hierarchy process were used to evaluate the suitability of geological environment. The results show that the index affecting the geological environment suitability of tunnel in sub-deep layer in the study area mainly include the enriched layer of calcareous concretions, the weighted average compressive modulus, the standard deviation of compression modulus and the content of chloride ion in groundwater. The area with poor suitability of geological environment is mainly distributed in the southeast of the study area. During the construction in this area, the influence of the enriched layer of calcareous concretions and the stratum with poor uniformity on operation should be considered. The moderate suitability of geological environment is mainly consistent with the distribution of the enriched layer of calcareous concretions. Other areas in the study area are the good suitability of geological environment. In the future, the data precision in the evaluation should be improved, utilization of underground space should be got by remote sensing, and a relative-independent evaluation index system and dynamic evaluation model should be established.



中文翻译:

郑州市次深层隧道地质环境适宜性评价

摘要

为更好地为郑州市轨道交通规划提供地质依据,开展了次深层隧道地质环境适宜性评价。研究中采用多目标线性加权函数法和层次分析法对地质环境适宜性进行评价。结果表明,影响研究区次深层隧道地质环境适宜性的指标主要包括钙质结核富集层、加权平均压缩模量、压缩模量标准差和氯离子含量。地下水。地质环境适宜性较差的区域主要分布在研究区的东南部。在该区域的建设过程中,应考虑钙质结核富集层和均匀性差的地层对运行的影响。地质环境适宜性主要与钙质结核富集层的分布一致。研究区内其他地区地质环境适宜性较好。今后应提高评价中的数据精度,通过遥感获取地下空间利用率,建立相对独立的评价指标体系和动态评价模型。研究区内其他地区地质环境适宜性较好。今后应提高评价中的数据精度,通过遥感获取地下空间利用率,建立相对独立的评价指标体系和动态评价模型。研究区内其他地区地质环境适宜性较好。今后应提高评价中的数据精度,通过遥感获取地下空间利用率,建立相对独立的评价指标体系和动态评价模型。

更新日期:2020-07-10
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