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CDM工法的室内试验配合比及工程特性
作者:李卫 袁德顺  
单位:中交天津港湾工程研究院 中交一航局第一工程有限公司  
关键词:CDM工法  水泥土  配合比  无侧限抗压强度 
分类号:U655.55
出版年,卷(期):页码:2008,32(5):28-30
摘要:
淤泥及淤泥质粘土形成的软土地基,具有高含水量、高压缩性和低强度等特点,须经过地基加固方能使用。深层水泥搅拌加固技术是比较有效的加固方法。目前,海上深层水泥搅拌法(CDM法)在一些地区的码头工程中得到了应用,并取得了较好的效果。为进一步认识该法,采用室内配合比试验的方法对水泥土的影响因素进行分析研究,指明各个影响因素与水泥土强度的关系,并测定其物理力学工程特性。
The soft soil foundations formed by the mucky and mucky clay have the characteristics of high water content,high compressibility and low strength,which may be used only after proper improvement.The method of cement deep mixing(CDM method) is one of the effective soil improvement methods.The CDM method has been used for wharf projects in several regions and produced very good results.To further understand and study the method,factors influencing the cement-soil mixture are analyzed and studied with the laboratorymix ratio testing method to show clearly the relationship between the strength of the ce-ment-soil mixture and the influencing factors,and the geotechnical properties of the cement-soil mixture are also measured in the laboratory.
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参考文献:
[1]童明,崔俊双,王晓华.深层水泥搅拌法在土体加固中的应用[J].海岸工程,2005,24(1):63-67. [2]江立云.海域深层水泥拌合法的可行性研究[J].水利水电技术,1998,29(5):35-38. [3]Porbaha A.State of the art in quality assessment of deep mixingtechnology,Ground Improvement[J].Journal of InternationalSociety of Soil Mechanics and Geotechnical Engineering,2002,6(3):95-120.
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