| 模袋固化土海上围埝技术离心模型试验研究 |
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| 引用本文： | 王健,袁德顺,刘天韵.模袋固化土海上围埝技术离心模型试验研究[J].中国港湾建设,2009(1):37-40. |
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| 作者姓名： | 王健 袁德顺 刘天韵 |
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| 作者单位： | 1. 天津临港产业投资控股有限公司,天津,300457
2. 中交天津港湾工程研究院有限公司,天津,300222 |
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| 摘 要： | 围埝是围海造陆工程中重要的组成部分。采用离心模型试验对模袋固化土作为海上围埝的技术进行研究,在室内短时间内真实地模拟实际工程情况。通过离心模型试验,分析了模袋固化土围埝填筑和吹填阶段地基的沉降、孔隙水压力变化规律和固结变形情况,并与实际工程监测结果进行了对比。试验结果表明,在正常施工条件下,地基变形以沉降为主,孔隙水压力在围埝填筑完成后半年内基本消散完毕,地基固结度达85%以上,地基整体稳定。认为模袋固化土海上围埝技术对软基适应性强,施工速度快,整体稳定性好。模型试验结果与实际工程监测结果一致。
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| 关 键 词： | 围埝 模袋固化土 离心模型试验 沉降 孔隙水压力 固结度 |
Research on Centrifugal Model Test of Maritime Dam Constructed by Geobag Solidified Soil |
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| WANG Jian,YUAN De-shun,LIU Tian-yun.Research on Centrifugal Model Test of Maritime Dam Constructed by Geobag Solidified Soil[J].China Harbour Engineering,2009(1):37-40. |
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| Authors: | WANG Jian YUAN De-shun LIU Tian-yun |
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| Institution: | 1.Tianjin Port Industry Investment & Holding Co.;Ltd.;Tianjin 300457;China;2.CCCC Tianjin Port Engineering Institute Ltd.;Tianjin 300222;China |
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| Abstract: | The dam is an important part of harbor engineering.The centrifuge model test is used to analyze the geobag solidi-fied soil technology,which is an effective method to model the engineering practice at the laboratory.Through centrifuge model test,this paper analyzes the settlement,pore water pressure and consolidation deformation of the dam foundation,and compares with monitoring results of actual project.From the results,the settlements were the primary deformation of dam under normal construction condition... |
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| Keywords: | dam geobag solidified soil centrifuge model test settlement pore water pressure consolidation degree |
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