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Foil Strain Gage Attachment Techniques for Geotextile and Geogrid

机译:土工布和土工格栅的箔片应变仪安装技术

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摘要

Seventeen full-scale test sections were constructed on a low-volume, flexible pavement. The test sections were reinforced with geotextiles and geogrid, instrumented with Micro-Measurement Group foil strain gages. While strain gage attachment to rigid materials is well understood, methods used to attach foil strain gages to geotextiles, specifically, are more challenging due to the matrix of fibers in the material, and the method used to waterproof and protect these gages in a field environment is critical. The survivability of a method used to attach and waterproof the foil strain gages was successfully demonstrated in the field and is described herein.
机译:在低体积,灵活的人行道上建造了十七个全尺寸试验段。测试部分用土工布和土工格栅加固,并用Micro-Measurement Group箔应变计进行测量。尽管将应变计连接到刚性材料上已广为人知,但由于材料中的纤维基质以及用于在现场环境中防水和保护这些应变计的方法,将箔应变计连接到土工布的方法尤其具有挑战性至关重要。用于附着和防水箔应变计的方法的生存性已在本领域中成功证明,并在本文中进行了描述。

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