用回收聚酯生产的土工格栅的机械特性

IF 2.8 2区工程技术 Q2 ENGINEERING, GEOLOGICAL

Geosynthetics International Pub Date : 2024-03-28 DOI:10.1680/jgein.23.00062

G. T. Mehrjardi, R. Fuentes, O. Detert

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引用次数: 0

摘要

在建筑材料中使用再生聚酯（rPET）具有节能、降低成本和减少固体废弃物等显著优势。本研究比较了 rPET 和原生聚酯（vPET）产品的性能。因此，为了分别确定土工格栅加固土壤的界面特性和土工格栅随时间变化的方式，进行了包括拉出试验和蠕变性能试验在内的两个主要试验项目。总的来说，这项研究表明，"rPET "土工格栅的性能与 "vPET "土工格栅相当。拉拔试验表明，"vPET "和 "rPET "土工格栅的抗拉拔性能大致相同，与 "rPET "相比，"vPET "土工格栅的扩张角大多较小。此外，根据性能蠕变试验，可以了解到 "rPET "的长期机械性能与 "vPET "产品的长期性能并无不同。

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Mechanical characteristics of geogrids produced from recycled polyester

The use of recycled polyester (rPET) in construction materials offers significant benefits, including energy conservation, cost reduction, and decreased solid waste. This study compares the performance of rPET with that of virgin polyester (vPET) products. Therefore, two main testing programs including pull-out tests and creep performance tests were carried out in order to determine the interfacial properties of the geogrid-reinforced soil and time-dependent manner of the geogrids, respectively. Broadly speaking, this study showed that the performance of “rPET” geogrid is comparable with “vPET” geogrids. Pull-out tests revealed that pull-out resistance of both “vPET” and “rPET” geogrids were roughly the same and the “vPET” geogrid mostly had lower dilation angles in comparison with “rPET”. Moreover, based on the performance creep tests, it was understood that the long-term mechanical behaviour of “rPET” does not differ from the long-term behaviour of “vPET” products.

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来源期刊

Geosynthetics International ENGINEERING, GEOLOGICAL-GEOSCIENCES, MULTIDISCIPLINARY

CiteScore

6.90

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： An online only, rapid publication journal, Geosynthetics International – an official journal of the International Geosynthetics Society (IGS) – publishes the best information on current geosynthetics technology in research, design innovation, new materials and construction practice. Topics covered The whole of geosynthetic materials (including natural fibre products) such as research, behaviour, performance analysis, testing, design, construction methods, case histories and field experience. Geosynthetics International is received by all members of the IGS as part of their membership, and is published in e-only format six times a year.