文章基本信息

标题：The Experimental Study on Uplift Bearing Capacity of Helical Piles in Silt Deposits
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作者：Likhitha.H ; B.R Ramesh
期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2016
卷号：5
期号：6
页码：9363
DOI：10.15680/IJIRSET.2015.0506097
出版社：S&S Publications
摘要：Helical piles foundation systems have been extensively used in engineering application. Helical pilefoundation system are commonly adapted to resists the compression, uplift force, overturning moment and lateralforces. Now a day, helical pile foundation systems have become commonly adapted in many countries. There are fewstudies about helical pile foundations, for this reason the aim of the work is to study how to improve the upliftcapacities of helical pile, study the effect of the embedded depth and the helical area of the piles in silt deposits on theuplift bearing capacities.Model steel piles with and without helical plate are embedded in silt soil are tested to study the effect of upliftloading on the behavior of piles in tensions. Laboratory experiments were conducted on the pile of 20mm diameterwith and without helical plate and with varying helical plate diameters as 25mm, 45mm and 65mm respectively. Thetests were conducted for each embedment ratio (L/d) of 5 to 30 inside the model tank with varying diameter of helicalplates. The experimental results shows that the uplift bearing capacity of the piles with helical plates offers moreresistance compare to pile without helical plates. The Uplift load carrying capacity increases with increasing theembedment ratios and diameter of helical plate.
关键词：helical pile; silt soil; uplift load; experimental work.