Abstract
A study on stone column embedded soil system with different parametric variations is presented in this article. The investigation parameters included variation in footing diameter (D), column geometry, surrounding soil stiffness (cu) and size of in-filling stone chips. The unit cell concept was referred to design the column and foundation bed dimensions in such a way that both the end-bearing and floating conditions can be simulated. The effect of footing area was considered by varying the footing diameter and kee** the column dimensions constant for each case. A clayey soil, with cu = 5, 10 and 25 kPa, was selected for simulating the very soft, soft and medium stiff ground conditions. Different stone sizes were considered to find the influence of infilling material. Column behavior was monitored and recorded in terms of load-settlement responses. Responses thus received indicated considerable effects of each of parameter varied. Though a physical study was aimed initially, however, only few tests could be performed due to pandemic and rests have been simulated through Plaxis3D.
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The authors sincerely acknowledge the support received from DHESTBT, Govt. of West Bengal, India [Ref. No. 183(Sanc.)/ST/P/S&T/6G-33/2017 dated 16/03/2018].
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Biswas, A., Mandal, U., Chakraborty, A. (2022). Experimental Study on Parametric Influences of Stone Column Reinforced Foundation Systems. In: Satyanarayana Reddy, C.N.V., Saride, S., Krishna, A.M. (eds) Ground Improvement and Reinforced Soil Structures. Lecture Notes in Civil Engineering, vol 152. Springer, Singapore. https://doi.org/10.1007/978-981-16-1831-4_4
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