(一)前言排水带作为排水通道代替传统袋装砂井用于地基处理,已得到广泛应用.由于排水带生产的工业化,质量有所保证;排水带质轻,运输方便:施工质量易保证,且施工进度快、费用省.所以其使用量正在不断上升,用途也在不断拓宽.随着排水带的大量使用,也出现了一些不容忽视的问题,其中之一是排水带滤膜强度常不能满足设计要求,最简单的解决办法是提高滤膜强度,但这必然要增加生产成本.因此,应该从强度指标上加以考虑,根据滤膜的受力情况,研究恰当的强度指标.目前排水带还没有统一的产品标准,设计要求一般都以南京市标准(表1)作为参考,甚至还有 (A) of the preface drainage as a drainage channel instead of the traditional bagged sand for ground treatment, has been widely used .Due to the industrialization of drainage belt production, quality assurance; drainage with light weight, easy transportation: easy construction quality assurance, And the construction speed, cost province, so its usage is rising, use is also constantly broadening.With the extensive use of drainage, there have been some problems that can not be ignored, one of which is the drainage membrane strength often can not To meet the design requirements, the simplest solution is to increase the membrane strength, but this will inevitably increase the cost of production.Therefore, it should be considered from the strength index, according to the membrane force situation, the study of appropriate strength indicators.At present drainage There is no unified product standards, design requirements are generally based on Nanjing city standards (Table 1) as a reference, and even