The Effects of Reinforced and Unreinforced Sand Bed over Ground Improved With Stone Columns
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 1
Abstract
Soft clay soils there are in many coastal areas. Various techniques are used to improve these soils. Among existing techniques, stone columns are known as quick and inexpensive method. Stone columns in soft soil improve bearing capacity because they are stiffer than the material which they replace, and compacted stone columns produce shearing resistances which provide vertical support for overlying structures or embankments. Stone columns accelerate the consolidation in the native surrounding soil and improve the load settlement characteristics of foundation. Due to the poor performance of columns in very soft soils such as peat, various methods have been developed to increase the efficiency of the columns such as vertical encased, horizontal reinforced and construction of reinforced and unreinforced sand bed over the stone columns. This article presents a review on behaviour of reinforced and unreinforced sand bed over the stone column improved ground and effectiveness of this technique on the bearing capacity, settlement and bulging of stone column.
Authors and Affiliations
Mohammadreza Jaberi Nasab, Adel Asakereh
Keywords
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