{"title":"考虑路堤填筑间隔的高原机场非饱和粘性地基土的工程特性","authors":"Jun Feng, Yanjun Liu, Xiaomei Lu, Zikang Chen, Jian Wu, Jizhe He, Zhuoya Zhao","doi":"10.15244/pjoes/173992","DOIUrl":null,"url":null,"abstract":"Most of the foundation soil in airport engineering belongs to unsaturated soil. The subsidence law and stress change rule of unsaturated soil foundation in the filling phase of embankment were analyzed by the software of Midas/GTS. The one-dimensional consolidation theory of unsaturated soil and the Van Genuchten model of soil water characteristics were considered in the programs. The results showed the stress decreased with depth increased and they could be seen as two straight lines. The interval time in filling phase of unsaturated soil had little impact on the stress. The depth-settlement curves had big difference between the overall filling and layered filling that the settlement of layered filling was far greater than the overall filling. In the layered filling, the curves of depth-settlement were similar with different interval time that could be approximately separated into two phases and the largest settlement appeared on the surface of the ground.","PeriodicalId":20363,"journal":{"name":"Polish Journal of Environmental Studies","volume":"68 5","pages":""},"PeriodicalIF":1.4000,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Engineering Characteristics of Unsaturated\\nCohesive Foundation Soil at High-Plateau Airport\\nwith Considering the Embankment\\nFilling Interval\",\"authors\":\"Jun Feng, Yanjun Liu, Xiaomei Lu, Zikang Chen, Jian Wu, Jizhe He, Zhuoya Zhao\",\"doi\":\"10.15244/pjoes/173992\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Most of the foundation soil in airport engineering belongs to unsaturated soil. The subsidence law and stress change rule of unsaturated soil foundation in the filling phase of embankment were analyzed by the software of Midas/GTS. The one-dimensional consolidation theory of unsaturated soil and the Van Genuchten model of soil water characteristics were considered in the programs. The results showed the stress decreased with depth increased and they could be seen as two straight lines. The interval time in filling phase of unsaturated soil had little impact on the stress. The depth-settlement curves had big difference between the overall filling and layered filling that the settlement of layered filling was far greater than the overall filling. In the layered filling, the curves of depth-settlement were similar with different interval time that could be approximately separated into two phases and the largest settlement appeared on the surface of the ground.\",\"PeriodicalId\":20363,\"journal\":{\"name\":\"Polish Journal of Environmental Studies\",\"volume\":\"68 5\",\"pages\":\"\"},\"PeriodicalIF\":1.4000,\"publicationDate\":\"2023-12-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Polish Journal of Environmental Studies\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://doi.org/10.15244/pjoes/173992\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENVIRONMENTAL SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Polish Journal of Environmental Studies","FirstCategoryId":"93","ListUrlMain":"https://doi.org/10.15244/pjoes/173992","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
Engineering Characteristics of Unsaturated
Cohesive Foundation Soil at High-Plateau Airport
with Considering the Embankment
Filling Interval
Most of the foundation soil in airport engineering belongs to unsaturated soil. The subsidence law and stress change rule of unsaturated soil foundation in the filling phase of embankment were analyzed by the software of Midas/GTS. The one-dimensional consolidation theory of unsaturated soil and the Van Genuchten model of soil water characteristics were considered in the programs. The results showed the stress decreased with depth increased and they could be seen as two straight lines. The interval time in filling phase of unsaturated soil had little impact on the stress. The depth-settlement curves had big difference between the overall filling and layered filling that the settlement of layered filling was far greater than the overall filling. In the layered filling, the curves of depth-settlement were similar with different interval time that could be approximately separated into two phases and the largest settlement appeared on the surface of the ground.
期刊介绍：
One of the most important challenges facing the contemporary scientific world are problems connected with environmental protection. Intensive development of industry and agriculture has led to a rise in living standards on one hand, but an increase in environmental degradation on the other. This degradation poses a direct threat to human health and life. Solving these ever-increasing problems which seriously endanger our civilization require the united efforts of scientists and field researchers of many branches.
The "Polish Journal of Environmental Studies" publishes original papers and critical reviews on the following subjects:
-Basic and applied environmental pollution research, including environmental engineering
-Pollution control of atmospheric, water (marine and fresh), soil and biological materials
-Determination of harmful substances, including their metabolic breakdown patterns
-Analytical methods for metabolic breakdown patterns or other chemical degradation patterns in the environment and in biological samples
-Development of new analytical methods, instruments and techniques for controlling pollutants
-Circulation of pollutants in the environment and their effect on living organisms
-Environmentally oriented catalysis
-Hazards to human health and safety
-Waste utilization and management
-Land reclamation
-Conference reports, scientific and technical reports and book reviews
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