In-situ Soil Strength after Deep Mixed Columns Installation

机译：深层混合柱安装后的原位土壤强度

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The deep mixing method is widely applied in highway engineering for soft ground improvement. Deep mixed columns(DMCs) and surrounding clays consist of a composite foundation, but the change in strength behavior of surrounding clays due to the installation of DMCs is still not well understood. In this study, the cone penetration tests were performed to investigate the change in soil strength of surrounding clays after the DMC installation at different distance from the column border and time after the installation. Based on the tested data, the strength of surrounding soils is discussed.

机译：深层搅拌法在公路工程中广泛用于软土地基的改良。深层混合柱（DMC）和周围的粘土由复合地基组成，但由于DMC的安装，周围的粘土的强度行为变化仍未得到很好的理解。在这项研究中，进行了锥孔渗透试验，以研究DMC安装后在距柱边界不同距离处和安装后的时间周围土壤的土壤强度的变化。根据测试数据，讨论了周围土壤的强度。

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来源
《Geotechnical Engineering in the Information Technology Age》|2006年|P.1-5|共5页
会议地点 Atlanta GA(US)
作者
Yong-feng Deng; Song-yu Liu; Zhen-shun Hong;
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作者单位

Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, P. R. China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类土力学、地基基础工程;
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2. Numerical study of creep effects on settlements and load transfer mechanisms of soft soil improved by deep cement mixed soil columns under embankment load [J] . Geotextiles and Geomembranes . 2020,第3期

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3. Numerical Analysis of Consolidation of Soft Soils Fully-penetrated by Deep-mixed Columns [J] . Yan Jiang, Jie Han, Gang Zheng KSCE journal of civil engineering . 2013,第1期

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4. Physical Modeling of a Footing on Soft Soil Ground with Deep Cement Mixed Soil Columns under Vertical Loading [J] . Jian-Hua Yina* amp, Zhen Fanga Marine Georesources & Geotechnology . 2010,第2期

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5. In-situ Soil Strength after Deep Mixed Columns Installation [C] . Yong-feng Deng, Song-yu Liu, Zhen-shun Hong Geo-Congress . 2006

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6. Reduction in psuedospectral acceleration at soft clay sites with the installation of deep soil mixed soil-cement panels. [D] . Al Quraishi, Murtdha Hashim Hassoon. 2016

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7. Shifts in the bacterial community composition along deep soil profiles in monospecific and mixed stands of Eucalyptus grandis and Acacia mangium [O] . Arthur Prudêncio de Araujo Pereira, Pedro Avelino Maia de Andrade, Daniel Bini, 2011

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8. Physical modeling of a footing on soft soil ground with deep cement mixed soil columns under vertical loading [O] . Yin JH, Fang Z 2010

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9. In-situ Determination of Undrained Shear Strength of Louisiana Soils by Quasi-Static Cone Penetration Test [R] . Tumay, M. T. , Yilmaz, R. 1981

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In-situ Soil Strength after Deep Mixed Columns Installation

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