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土工膜使用壽命是多長時間?Geomembrane using life is long?
土工膜產(chǎn)品在生產(chǎn)過程中添加了抗氧劑、抗紫外線添加劑等,所有土工膜產(chǎn)品具有抗老化的功能,抗老化的壽命與土工膜的厚度、土工膜的使用方法密切相關(guān),簡單說來土工膜部分現(xiàn)場觀測成果合成材料在工程應用中具有一定的抗老化能力,故有些的某些文件中對其使用年限作了較為寬限的規(guī)定,如前蘇聯(lián) BCH07-74《土石壩應用聚乙烯防滲結(jié)構(gòu)須知》中規(guī)定,聚乙烯土工膜可用于使用年限不超過50年的建筑物。奧地利林茨公司發(fā)表的“聚丙烯復合土工膜土工合成材料的長期性狀”一文中的結(jié)論寫道:“對聚丙烯的15年以上的現(xiàn)場應用經(jīng)驗表明,它們的化學和生物穩(wěn)定性高;織物的損壞是在施工中;鋪設以后沒有大變化;……可預期土工膜的使用壽命在30-70年。
Earth work film products in the production process of adding antioxidants, UV resistant additives, allgeotechnical membrane products with anti aging, anti aging life and geotextile geomembrane thickness, theusing method is closely related, is simply the geomembrane part of field observation results of synthetic materials in engineering application has a certain anti aging ability, therefore, in some countries, certain documents on its service life was more grace provisions, such as the former Soviet Union BCH07-74 " earth rock dam by using polyethylene impervious structure specified in the notice ", polyethylene geomembrane can be used to make the life of not more than 50 years building. Linz Austria company published " polypropylene composite geomembrane geotextile material long-term characters " a conclusion in the paper wrote: "forpolypropylene for more than 15 years experience in the field applications show that, their chemical and biological stability is high; the maximum damage to fabric in construction; laying no big change; ... ... Can be expected to geotechnical membrane in the life of 30-70 years.
土工膜是以聚乙烯樹脂添加一定比例的碳黑色母、抗老化劑、抗氧化劑、紫外線吸收劑、穩(wěn)定劑等吹塑而成,用于防滲防潮的新型防水建材。高密度聚乙烯土工膜(HDPE土工膜)是一種新型特種防滲防腐材料,采用的高密度聚乙烯原生樹脂,主要成分為97.5% 的高密度聚乙烯,約2.5%的碳黑、微量的抗氧劑和熱穩(wěn)定劑,抗老化材料、紫外線吸收劑,經(jīng)單層、雙層、三層共擠技術(shù)吹塑制成。產(chǎn)品質(zhì)量采用美國ASTM測試標準,完全達到美國GRI-GM13標準要求。
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主營產(chǎn)品:土工膜,土工布,防滲膜
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