A Field Experimental Study of Composite Foundation with Rammed Soil-Cement Pile in Collapsible Loess Area

Hai Jian Sun; Shi You Zhang

doi:10.4028/www.scientific.net/AMR.1030-1032.969

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1030-1032A Field Experimental Study of Composite Foundation...

A Field Experimental Study of Composite Foundation with Rammed Soil-Cement Pile in Collapsible Loess Area

Abstract:

Natural foundation in loess areas is collapsible; however, composite foundation with rammed soil-cement pile can be used to meet the load requirements of the building. Immersion-compression test and field static loading test were carried out to measure the treatment effect. The test results showed that: the collapsible of loess foundation can be eliminated by treatment with rammed soil-cement pile when the loading pressure is between 200 to 500 kPa. Engineering properties of the foundation soil between piles are improved. The parameters improve more obvious with the pile spacing getting smaller. The bearing capacity of composite foundation increased to 291 kPa, compared with natural loess foundation. The research results can be applied to design and construction of compacted soil cement pile composite foundation in loess area.

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Periodical:

Advanced Materials Research (Volumes 1030-1032)

Pages:

969-973

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1030-1032.969

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Online since:

September 2014

Authors:

Hai Jian Sun, Shi You Zhang

Keywords:

Collapsible, Field Static Loading Test, Loess, Rammed Soil-Cement Pile

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