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<p>The pursuit of sustainable methods to improve the load-settlement performance of foundation beds has gained considerable attention in recent years. Locally sourced, bio-based materials like coir and jute have proven effective as reinforcement materials. Few studies have examined the feasibility of bio-based materials as infill materials and their impact on the performance of foundation beds reinforced with geocells, despite their potential as sustainable alternatives in geotechnical applications. Therefore, the novelty of this investigation is to explore the combined advantages of coir geocell mattresses and coconut shell pieces as infill in enhancing the sand beds’ load-settlement characteristics through a set of plate load tests. Geocoir cell-reinforced and unreinforced sand beds were created in a 1000 × 1000 × 1000&#xa0;mm testing tank with a sustained relative density of 70% in order to conduct load tests. The benefits of performance are examined in relation to increased load carrying capacity and decreased footing settlement. Plate load tests on reinforced bed with the change in placement depth of coir geocell revealed the optimum depth of 0.1<i>B</i> for coir geocell mattress for achieving the higher bearing capacity. In the presence of geocell mattress and coconut shell infill, the BCR of the sand bed increased by 5.24 times. Further, presence of coir geocell and coconut shell infill, more than 92% reduction footing settlement was observed.</p>

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Use of coir geocells with coconut shell infills for improved performance of spread footings resting on sandy soils

  • 期刊论文

  • 发表日期：

    2026年5月13日

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  • Sandeep Kumar Namburu,
  • Sreevalsa Kolathayar

摘要

The pursuit of sustainable methods to improve the load-settlement performance of foundation beds has gained considerable attention in recent years. Locally sourced, bio-based materials like coir and jute have proven effective as reinforcement materials. Few studies have examined the feasibility of bio-based materials as infill materials and their impact on the performance of foundation beds reinforced with geocells, despite their potential as sustainable alternatives in geotechnical applications. Therefore, the novelty of this investigation is to explore the combined advantages of coir geocell mattresses and coconut shell pieces as infill in enhancing the sand beds’ load-settlement characteristics through a set of plate load tests. Geocoir cell-reinforced and unreinforced sand beds were created in a 1000 × 1000 × 1000 mm testing tank with a sustained relative density of 70% in order to conduct load tests. The benefits of performance are examined in relation to increased load carrying capacity and decreased footing settlement. Plate load tests on reinforced bed with the change in placement depth of coir geocell revealed the optimum depth of 0.1B for coir geocell mattress for achieving the higher bearing capacity. In the presence of geocell mattress and coconut shell infill, the BCR of the sand bed increased by 5.24 times. Further, presence of coir geocell and coconut shell infill, more than 92% reduction footing settlement was observed.