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<p>This study investigates the performance of stone columns in sand modified using two different types of biopolymers, that is&#xa0;xanthan gum (XG) and guar gum (GG). Initially, the sand deposits prepared in the laboratory were flooded by a biopolymer solution containing different percentages of GG or XG and left to flow under gravity. After the biopolymer solution penetrated the sand deposit, the stone is inserted up to a depth of 20&#xa0;cm, creating a 5-cm-diameter stone column. A series of laboratory model tests were conducted to develop the load settlement curve of a stone column in a biopolymer-modified sand deposit. Results indicate that infiltration of biopolymer solution into the sand matrix significantly influences the performance of stone columns and enhances the load-bearing capacity.</p>

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Experimental Studies on Load Capacity of Stone Column in Biopolymer-Modified Ground

  • 期刊论文

  • 发表日期：

    2025年1月13日

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  • Shamshad Alam,
  • Nimer Ali Alselami

摘要

This study investigates the performance of stone columns in sand modified using two different types of biopolymers, that is xanthan gum (XG) and guar gum (GG). Initially, the sand deposits prepared in the laboratory were flooded by a biopolymer solution containing different percentages of GG or XG and left to flow under gravity. After the biopolymer solution penetrated the sand deposit, the stone is inserted up to a depth of 20 cm, creating a 5-cm-diameter stone column. A series of laboratory model tests were conducted to develop the load settlement curve of a stone column in a biopolymer-modified sand deposit. Results indicate that infiltration of biopolymer solution into the sand matrix significantly influences the performance of stone columns and enhances the load-bearing capacity.