建筑与土木2023NO.8SCIENCE&TECHNOLOGYINFORMATION科技资讯SCIENCE&TECHNOLOGYINFORMATION科技资讯工业固废钢渣改良黄土路床研究李俊涛(甘肃省公路交通建设集团有限公司甘肃兰州730000)摘要:调查数据显示,甘肃省工业固废累计储存量约为8.9亿t,综合利用率不足14%,固废的大量堆积、废弃不仅占用大量土地资源,而且使原本就脆弱的生态环境更加雪上加霜。同时,甘肃省中、东部地区为黄土高原,黄土的崩解性对工程建筑特别是水利工程和道路工程危害很大,利用炼钢废渣作为改良材料,能够解决黄土地区公路路基湿陷性问题,提高公路修筑质量与抗灾能力,减少公路病害,确保公路行车安全性与舒适性,减少了经济损失和不良社会效应,避免了渣灰弃置带来的土地、水源和环境污染。关键词:湿陷性黄土处置工业固废利用钢渣改良黄土低碳绿色发展中图分类号:U416.1文献标识码:A文章编号:1672-3791(2023)08-0091-06ResearchontheImprovementofIndustrialSolidScrapSlagontheLoessRoadbedLIJuntao(GansuProvinceHighwayTrafficConstructionGroupCo.,Ltd.,Lanzhou,GansuProvince,730000China)Abstract:Accordingtothesurveydata,thecumulativestorageofindustrialsolidwasteinGansuProvinceisabout890milliontons,andthecomprehensiveutilizationrateislessthan14%.Themassiveaccumulationandabandon‐mentofsolidwastenotonlyoccupyalotoflandresources,butalsomakethealreadyfragileecologicalenvironmentworse.Atthesametime,thecentralandeasternregionsofGansuProvincearetheloessplateau,andthedisintegra‐tionofloessisveryharmfultoengineeringbuildings,especiallywaterconservancyprojectsandroadprojects.Theuseofsteel-makingslagasanimprovedmaterialcansolvetheproblemofcollapsibilityofthehighwaysubgradeintheloessregion,improvetheconstructionqualityandanti-disasterabilityofthehighway,reducehighwaydiseases,ensurethesafetyandcomfortofhighwaytraffic,reduceeconomiclossesandadversesocialeffects,andavoidthepollutionofland,waterandenvironmentcausedbyslagandashdisposal.KeyWords:Collapsibleloesstreatment;Industrialsolidwasteutilization;Steelslagimprovingloess;Low-carbonandgreendevelopment1研究背景1.1黄土地区公路路基湿陷性问题甘肃省中、东部地区为黄土高原,黄土分布积约为12万km2。主要分布在陇西和陇东两区...