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Soil Survey: Methodology Improvement in Brazil Adopted by CTR-RIO for the Quality Control of Geomembrane Installations

机译：土壤调查：巴西改进方法，CTR-RIO通过了土工膜装置的质量控制

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The soil survey methodology is used for the detection of leaks in geomembranes. Although little known in Brazil, it is well suited to minimize the risk of placing waste on a damaged liner system. A Canadian study indicates that the density of damages on installed geomembranes is on average between 4 and 22 leaks per hectare. Quality Control measures currently used in Brazilian landfills do not include this type of testing. As the existence of lined landfills is relatively new in Brazil, the impact caused by damage in the protective layers cannot be perceived. The Landfill of CTR-RIO, in Rio de Janeiro, Brazil adopted this methodology for quality control. The results after 4 years of operation indicated the amount of leaks found range between 0.5 and 8 leaks per hectare for an inspected area of approximately 310,000 m~2. All identified damages could be repaired before the beginning of the waste disposal.
机译：土壤调查方法用于检测土工膜中的泄漏。尽管在巴西鲜为人知，但它非常适合将废物放置在损坏的衬管系统上的风险降到最低。加拿大的一项研究表明，已安装土工膜的破坏密度平均为每公顷4至22个渗漏。巴西垃圾填埋场目前使用的质量控制措施不包括此类测试。由于在巴西内衬填埋场的存在是相对较新的，因此无法感觉到保护层损坏造成的影响。位于巴西里约热内卢的CTR-RIO垃圾填埋场采用了这种方法进行质量控制。运行4年后的结果表明，对于大约310,000 m〜2的检查区域，发现的泄漏量为每公顷0.5至8个泄漏量。在开始废物处置之前，所有已确定的损坏都可以修复。

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