重载铁路盐渍土路基中土工布使用寿命评估

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Abstract Research purposes: For lack of the research results of geotextile field life at home and abroad，in this paper， the lab and field researches are carried out to find the engineering life and protect technology in field. which will provide reference for the design and construction of geotextile in heavy haul railway roadbed.
Research conclusions ： (1) A preliminary estimated life of two cloth a membrane geotextile in saline soil embankment is within 80 years by tracking experiments. (2) The effect sequences of aging factor of two cloth a membrane geotextile are as follows ：ultraviolet，high pressure，salt pond water，sea water，etc. (3) The engineering sampling period is suggest
as 10 years based on field sampling test and operating line survey. (4) The research results can be successly used in
some saline soil railway, highway and civil aviation engineering.

Key words： two cloth and a membrane geotextile saline soil roadbed aging coefficient in - situ life

Received: 15 April 2015

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CHEN Wen - hua. Life Prediction for Geotextile in Saline Soil Roadbed of Heavy Haul Railway[J]. Journal of Railway Engineering Society, 2015, 32(9): 55-59.

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https://tdgcxb.crec.cn/EN/ OR https://tdgcxb.crec.cn/EN/Y2015/V32/I9/55

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