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Numerical modelling on geotechnical features of soil mixture using recycled tire crumb to strengthen the seismic isolation in building.

ABSTRACT: In this research, the performance pertaining to tire crumb obtained from scrap tire processing plants is discussed. These tire crumbs are blended with soil at a 30% ratio. When subjected to seismic load, the performance of the 30% tire crumb combination is superior to the 0% tire crumb combination. The investigation is classified into two phases. Phase 1 of the study involves conducting an experimental investigation by applying cyclic loads to a model footing that was resting on the soil with and without tire crumbs. This study reveals that a 30% tire crumb combination achieves optimum energy absorption and minimal footing stiffness, which is a crucial component needed for base isolation. Additionally, using the PLAXIS 2D software package, finite element analysis was carried out during the second phase of the study. For this study, a three-story residential building close to the border between India and Nepal is used. Three different disastrous seismic excitations are applied to the building. From this analytical analysis, it is reported that a 60-70% reduction in acceleration is attained for 30% tire crumb combination with soil. Therefore, from the two phases, it is evaluated that the inclusion of tire crumbs with soil is an excellent seismic base isolation material.

SUBMITTER: Raj JCJ

PROVIDER: S-EPMC10762241 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature

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Numerical modelling on geotechnical features of soil mixture using recycled tire crumb to strengthen the seismic isolation in building.

Raj J Cici Jennifer JCJ Kumar M Vinod MV Kırgız Mehmet Serkan MS Nagaprasad N N Ramaswamy Krishnaraj K

Scientific reports 20240102 1

In this research, the performance pertaining to tire crumb obtained from scrap tire processing plants is discussed. These tire crumbs are blended with soil at a 30% ratio. When subjected to seismic load, the performance of the 30% tire crumb combination is superior to the 0% tire crumb combination. The investigation is classified into two phases. Phase 1 of the study involves conducting an experimental investigation by applying cyclic loads to a model footing that was resting on the soil with an ...[more]

PMID: 38168775

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Project description:To achieve sustained reductions in child mortality in low- and middle-income countries, increased local capacity is necessary. One approach to capacity building is support offered via partnerships with institutions in high-income countries. However, lack of cooperation between institutions can create barriers to successful implementation of programs and may inadvertently weaken the health system they are striving to improve. A coordinated approach is necessary.Three U.S.-based institutions have separately supported various aspects of pediatric care at Kamuzu Central Hospital (KCH), the main government referral hospital in the central region of Malawi, for several years. Within each institution's experience, common themes were recognized, which required attention in order to sustain improvements in care. Each recognized that support of clinical care is a necessary cornerstone before initiating educational or training efforts. In particular, the support of emergency and acute care is paramount in order to decrease in-hospital mortality. Through the combined efforts of Malawian partners and the US-based institutions, the pediatric mortality rate has decreased from >10 to <4% since 2011, yet critical gaps remain. To achieve further improvements, representatives with expertise in pediatric emergency medicine (PEM) from each US-based institution hypothesized that coordinated efforts would be most effective, decrease duplication, improve communication, and ensure that investments in education and training are aligned with local priorities.Together with local stakeholders, the three US-based partners created a multi-institutional partnership, Pediatric Alliance for Child Health Improvement in Malawi at Kamuzu Central Hospital and Environs (PACHIMAKE). Representatives from each institution gathered in Malawi late 2016 and sought input and support from local partners at all levels to prioritize interventions, which could be collectively undertaken by this consortium. Long- and short-term goals were identified and approved by local partners and will be implemented through a phased approach.The development of a novel partnership between relevant stakeholders in Malawi and US-based partners with expertise in PEM should help to further decrease pediatric mortality through the coordinated provision of acute care expertise and training as well as investment in the development of educational, research, and clinical efforts in PEM at KCH.

Dataset Information

Numerical modelling on geotechnical features of soil mixture using recycled tire crumb to strengthen the seismic isolation in building.

Publications

Numerical modelling on geotechnical features of soil mixture using recycled tire crumb to strengthen the seismic isolation in building.

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