Variation in creep rate at constant loading of PET geogrid strapping

机译：PET土工格栅带在恒定载荷下蠕变速率的变化

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Creep tests have been executed on PET strapping material. The measurements were very precise which resulted in the recognition of different creep rate patterns at various loadings. This data allowed to further verify the molecular chain transformation model which has been established for PET yarns. Creep data from other tests were used to validate the model. A simple method has been proposed to calculate the creep during the service life of a PET reinforcing material using elastic strain, strain during the first 1,000 sec. and the constant creep rate in the rest of the service life. This paper gives additional support to the model of creep deformation at molecular level which is developed in our other paper at this conference (Residual strength of PET after more than 12 years creep loading) and which is based on the stress-strain model developed by Van den Heuvel.

机译：已对PET打包带材料执行了蠕变测试。测量非常精确，从而导致在各种载荷下识别出不同的蠕变速率模式。该数据可以进一步验证已经为PET纱线建立的分子链转化模型。其他测试的蠕变数据用于验证模型。已经提出了一种简单的方法，该方法使用弹性应变（在最初的1000秒内）来计算PET增强材料使用寿命内的蠕变。并在整个使用寿命中保持恒定的蠕变速率。本文为我们在本次会议的另一篇论文中开发的分子水平的蠕变变形模型（蠕变载荷超过12年后的PET残余强度）提供了额外的支持，该模型基于Van所开发的应力应变模型den Heuvel。

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来源
《International Symposium on Earth Reinforcement Nov 14-16, 2001, Fukuoka/Kyushu/Japan》|2001年|p.159-164|共6页
会议地点 Fukuoka(JP)
作者
W. Voskamp; F. van Vliet;
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作者单位

Colbond Geosynthetics, The Netherlands;

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原文格式 PDF
正文语种 eng
中图分类 P6;
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Variation in creep rate at constant loading of PET geogrid strapping

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