高速公路边坡不同生态修复技术土壤基质特征对比分析  

Comparative Analysis of Soil Matrix Characteristics in Different Ecological Restoration Techniques of Expressway Slope

作　　者：张家权 赵森 邵社刚[2] 张东[2] 孙伯唯 李传虹 赵溦[2] ZHANG Jiaquan;ZHAO Sen;SHAO Shegang;ZHANG Dong;SUN Bowei;LI Chuanhong;ZHAO Wei(Jiangxi Provincial Highway Investment Co.,Ltd.,Nanchang Jiangxi 330029,China;Key Laboratory of Road Traffic Environment Protection Technology,Research Institute of Highway,Ministry of Transport,Beijing 100088,China)

机构地区：[1]江西省公路投资有限公司,江西南昌330029 [2]交通运输部公路科学研究院公路交通环境保护技术交通行业重点实验室,北京100088

出　　处：《交通节能与环保》2024年第6期141-144,共4页Transport Energy Conservation & Environmental Protection

基　　金：江西省交通运输厅科技项目(2023C0013);交通运输部公路科学研究所(院)交通强国试点项目(QG2021-1-4-7)。

摘　　要：本文以祁婺高速植被混凝土和客土喷播生态修复的实验边坡为研究对象,对施工一年的生态修复边坡土壤基质养分和物理特征进行分析,揭示采用不同生态修复方式后,土壤基质在植被生长季后的水解性氮、有机碳、有效磷、速效钾含量区别,并对不同的土壤样本进行粒径分析,对比其物理结构特征。研究发现:植被混凝土边坡的土壤基质养分均高于客土喷播的边坡;土壤养分含量在边坡上均呈现明显的空间分异,在坡底养分含量较高的指标有水解性氮、有机碳、有效磷,在坡顶养分含量较高的指标有速效钾;植被混凝土的土壤粒径构成水平比客土喷播的土壤粒径的平均水平更大一些。This paper takes the experimental slope of Qiwu high-speed vegetated concrete and guest soil for ecological restoration as the research object,and analyzes the soil matrix nutrients and physical characteristics of the ecological restoration slope after one year of construction,revealing the differences in the contents of hydrolyzed nitrogen,organic carbon,available phosphorus and available potassium in the soil matrix of different ecological restoration methods after the vegetation growth season.The particle size of different soil samples was analyzed to compare their physical structure characteristics.The results show that the soil matrix nutrients of the vegetated concrete slope are higher than those of the guest soil sprayed slope.The soil nutrient content showed obvious spatial differences on the slopes.The higher nutrient content was hydrolyzed nitrogen,organic carbon and available phosphorus at the slope bottom,and the higher nutrient content was available potassium at the slope top.The particle size composition level of vegetated concrete soil is larger than that of the average soil particle diameter sprayed by the guest soil.

关 键 词：公路边坡 生态修复 土壤基质 特征分析 绿色发展 

分 类 号：U417.1[交通运输工程—道路与铁道工程]