Plant⁃Microbe Interactions in Soil Stabilization and Erosion Control on TBM Muck Slopes in Alpine Regions

Luo Zhengyu; Pei Xiangjun; Han Hongrui; Xie Yongfang; Zou Tong; Yan Guoru

doi:10.3799/dqkx.2026.123

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Plant⁃Microbe Interactions in Soil Stabilization and Erosion Control on TBM Muck Slopes in Alpine Regions

更新时间：2026-10-15

- Plant⁃Microbe Interactions in Soil Stabilization and Erosion Control on TBM Muck Slopes in Alpine Regions
- Earth Science Vol. 51, Issue 9, Pages: 3320-3331(2026)
- 作者机构：
  
  1.成都理工大学生态环境学院，四川成都 610059
  2.成都理工大学国家环境保护水土污染协同控制与联合修复重点实验室，四川成都 610059
  3.天府永兴实验室，四川成都 610213
- 作者简介：
- 基金信息：
- DOI：10.3799/dqkx.2026.123
  CLC： P69
- Received：31 August 2025，
  
  Published：30 September 2026
- 稿件说明：
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罗正宇，裴向军，韩洪瑞，谢永芳，邹桐，闫国茹，2026.高寒山区TBM洞渣土坡面植物‒微生物固土与抗侵蚀机制.地球科学，51（9）：3320-3331.

Luo Zhengyu，Pei Xiangjun，Han Hongrui，Xie Yongfang，Zou Tong，Yan Guoru，2026.Plant⁃Microbe Interactions in Soil Stabilization and Erosion Control on TBM Muck Slopes in Alpine Regions.Earth Science，51（9）：3320-3331.
罗正宇，裴向军，韩洪瑞，谢永芳，邹桐，闫国茹，2026.高寒山区TBM洞渣土坡面植物‒微生物固土与抗侵蚀机制.地球科学，51（9）：3320-3331. DOI： 10.3799/dqkx.2026.123.

Luo Zhengyu，Pei Xiangjun，Han Hongrui，Xie Yongfang，Zou Tong，Yan Guoru，2026.Plant⁃Microbe Interactions in Soil Stabilization and Erosion Control on TBM Muck Slopes in Alpine Regions.Earth Science，51（9）：3320-3331. DOI： 10.3799/dqkx.2026.123.

摘要

针对青藏高原隧道掘进机（Tunnel Boring Machine，简称TBM）洞渣边坡结构松散、养分贫乏及植被恢复困难等问题，评估了植物‒微生物联合修复在边坡固土抗蚀方面的作用.采用室内盆栽和野外边坡试验，设置对照组（CK）及枯草芽孢杆菌（K）、地衣芽孢杆菌（DY）、解淀粉芽孢杆菌（JD）、黑曲霉（H）、哈茨木霉（HC）共5种微生物处理组，测定养分、酶活、植物生长和坡面水动力指标.研究表明：植物‒微生物联合处理通过促进根系发育、提高酶活和改善养分条件，对坡面水动力特征产生综合影响，从而提升边坡抗侵蚀能力.径流功率最大削减97.36%，阻力系数最大增幅486.26%.为高寒高海拔山区TBM弃渣体边坡的生态修复与水土保持提供了有效的技术方案.

Abstract

This study aims to evaluate the effects of plant-microbe combined remediation on soil stabilization and erosion resistance of TBM muck slopes on the Qinghai-Xizang Plateau

where slope materials are loose in structure

deficient in nutrients

and difficult to revegetate. Indoor pot experiments and field slope trials were conducted. A control (CK) and five microbial treatments were established

including

Bacillus subtilis

(K)

Bacillus licheniformis

(DY)

Bacillus amyloliquefaciens

(JD)

Aspergillus niger

(H)

and

Trichoderma harzianum

(HC). Soil nutrients

enzyme activities

plant growth

and slope hydrodynamic parameters were measured. The results show that the plant-microbe combined treatments improved root development

enhanced enzyme activities

and ameliorated nutrient conditions

thereby exerting integrated effects on slope hydrodynamic characteristics and ultimately increasing slope erosion resistance. Runoff power was reduced by up to 97.36%

while the resistance coefficient increased by up to 486.26%. The findings provide an effective technical approach for the ecological restoration and soil and water conservation of TBM waste-muck slopes in alpine and high-altitude regions

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Keywords

references

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