A Hierarchical Multi⁃Factor Coupled Regional Preliminary Site Selection Method for Transportation⁃Project Spoil Disposal in Western Mountainous Areas

Luo Jing; Pei Xiangjun; Bai Zhanxiong; Yang Peizhang; Zhang Chunhui; Zhu Zhengqing; Ji Cuicui; Wang Simeng; Li Guobing; Sun Wenyang

doi:10.3799/dqkx.2026.054

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A Hierarchical Multi⁃Factor Coupled Regional Preliminary Site Selection Method for Transportation⁃Project Spoil Disposal in Western Mountainous Areas

更新时间：2026-10-15

- A Hierarchical Multi⁃Factor Coupled Regional Preliminary Site Selection Method for Transportation⁃Project Spoil Disposal in Western Mountainous Areas
- Earth Science Vol. 51, Issue 9, Pages: 3274-3289(2026)
- 作者机构：
  
  1.成都理工大学地质灾害防治与地质环境保护全国重点实验室，四川成都 610059
  2.中国铁路设计集团，天津 300142
- 作者简介：
- 基金信息：
- DOI：10.3799/dqkx.2026.054
  CLC： P237
- Received：31 August 2025，
  
  Published：30 September 2026
- 稿件说明：
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罗璟，裴向军，白占雄，杨沛璋，张春晖，朱正清，姬翠翠，王斯蒙，李郭兵，孙文洋，2026.西部山区大型交通工程弃渣场多因素耦合层次递阶区域选址方法.地球科学，51（9）：3274-3289.

Luo Jing，Pei Xiangjun，Bai Zhanxiong，Yang Peizhang，Zhang Chunhui，Zhu Zhengqing，Ji Cuicui，Wang Simeng，Li Guobing，Sun Wenyang，2026.A Hierarchical Multi⁃Factor Coupled Regional Preliminary Site Selection Method for Transportation⁃Project Spoil Disposal in Western Mountainous Areas.Earth Science，51（9）：3274-3289.
罗璟，裴向军，白占雄，杨沛璋，张春晖，朱正清，姬翠翠，王斯蒙，李郭兵，孙文洋，2026.西部山区大型交通工程弃渣场多因素耦合层次递阶区域选址方法.地球科学，51（9）：3274-3289. DOI： 10.3799/dqkx.2026.054.

Luo Jing，Pei Xiangjun，Bai Zhanxiong，Yang Peizhang，Zhang Chunhui，Zhu Zhengqing，Ji Cuicui，Wang Simeng，Li Guobing，Sun Wenyang，2026.A Hierarchical Multi⁃Factor Coupled Regional Preliminary Site Selection Method for Transportation⁃Project Spoil Disposal in Western Mountainous Areas.Earth Science，51（9）：3274-3289. DOI： 10.3799/dqkx.2026.054.

摘要

西部山区构造活跃、地形高陡、灾害频发、气候多变、生态环境敏感脆弱.在多因素耦合作用下，适宜弃渣场选址的场地稀缺，选址难度大.针对西部山区大型交通工程弃渣量大且分散、弃渣场选址困难的实际问题，本文系统梳理弃渣场选址痛点，全面筛选关键影响因素，提出“范围拟定‒场址筛选‒评估分区”的多因素耦合层次递阶区域选址方法.基于风险理论构建安全适宜性评估模型，量化弃渣场场地安全性及其次生灾害的潜在损失；以运输成本为核心，综合运输距离与运输条件建立经济适宜性评估模型；以生态系统脆弱性为表征，从格局、质量与服务功能三个维度建立生态适宜性评估模型.采用熵权法与层次分析法组合赋权，形成综合适宜性分区与候选场址优先序列.研究成果为复杂山区交通工程弃渣场选址提供了高效、定量、通用的方法体系，显著提升了选址科学性，从源头最大限度降低弃渣场安全风险、处置成本与生态恢复难度.

Abstract

In western mountainous regions

factors involving active tectonics

steep terrain

frequent hazards

variable climate

and fragile ecosystems render suitable spoil disposal sites scarce under multi-factor coupling

making site selection highly challenging. To address the practical challenges of large-scale transportation projects in western mountainous areas characterized by substantial and spatially dispersed spoil volumes and difficult site selection

this study systematically identifies key siting challenges and screens critical influencing factors

proposing a hierarchical multi-factor coupled siting framework comprising extent delineation

site screening

and suitability zoning. A risk-based safety suitability model is developed to quantify the site safety of spoil disposal areas and the potential losses from secondary hazards; an economic suitability model centered on transport costs integrates haul distance and access conditions; and an ecological suitability model uses ecosystem vulnerability as a proxy

assesses three dimensions of the pattern

quality

and service . Entropy weighting and the Analytic Hierarchy Process (AHP) are combined to derive composite weights

yielding integrated suitability zoning and prioritized candidate site lists. This research provides an efficient

quantitative

and generalizable methodological framework for spoil disposal siting in complex mountainous transportation projects

substantially enhancing siting rigor while minimizing safety risks

disposal costs

and ecological restoration complexity at the source.

关键词

Keywords

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