The influence range of the biogas desaturation method for mitigating sand liquefaction

被引：0
|
作者：
Peng, Erxing [1 ,2 ]
Li, Dandan [3 ]
Hu, Xiaoying [3 ]
He, Binbin [1 ,4 ]
Dang, Haiming [5 ]
Liu, Youqian [5 ]
机构：
[1] East China Jiaotong Univ, State Key Lab Performance Monitoring & Protecting, Nanchang, Jiangxi, Peoples R China
[2] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Cryospher Sci & Frozen Soil Engn, Lanzhou, Gansu, Peoples R China
[3] Lanzhou Univ Technol, Sch Civil Engn, Lanzhou, Gansu, Peoples R China
[4] East China Jiaotong Univ, Sch Civil Engn & Architecture, Nanchang, Jiangxi, Peoples R China
[5] China Railway Qinghai Tibet Grp Co Ltd, Chengdong, Peoples R China
来源：
FRONTIERS IN EARTH SCIENCE | 2024年 / 12卷
基金：
中国国家自然科学基金;
关键词：
influence range; sensitivity analysis; desaturation; biogas; TOUGH2; PSEUDOMONAS-STUTZERI; HYDRAULIC CONDUCTIVITY; MODEL; FLOW; REDUCTASE; PURIFICATION; TRANSPORT;
D O I：
10.3389/feart.2024.1433507
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
To clarify the influence range and saturation distribution after the biogas desaturation method is applied, a three-dimensional model is established with TOUGH2 software to analyze the effect of construction parameters such as grouting volume, grouting rate, grouting depth, nitrogen source concentration, and soil porosity. After that, the sensitivity of the parameters on the influence range is determined. The grouting volume and soil porosity are the most sensitive to the lateral and vertical influence range, respectively. This study provides a basis for the engineering practice of treating liquefiable subgrade by the biogas desaturation method.
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页数：19
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