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How Fold-and-Form Relining Works

机译：折叠式表格的工作方式

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摘要

Fold-and-form is a manhole-to-manhole rehabilitation technique that has been used extensively in the sewer rehabilitation market for two decades. It represents a large share of sewer rehabilitation business and many customers who have tried it once keep using fold-and-form for its consistency, environmental friendliness and overall quality of the finished product. The fold-and-form process, also called deformed-and-formed or, as I prefer, expanded in place, begins with the cleaning and inspection of the line segment being rehabilitated. Fold-and-form liners tend to be a bit more forgiving to anomalies in the pipe or poor pipe condition than other forms of rehabilitation. Said another way, fold-and-form may sometimes be successfully executed in lines that would otherwise need costly and intrusive point repairs.
机译：折弯形式是一种“人对人”的修复技术，已在下水道修复市场中广泛使用了二十年。它代表着下水道修复业务的很大份额，许多曾经尝试过使用它的折叠式产品的客户一直在使用折叠式产品，以确保产品的一致性，环境友好性和最终产品的整体质量。折叠成型过程，也称为变形成型过程，或者，我更喜欢扩展到适当的位置，该过程始于清洗和检查待修复的线段。与其他形式的修复相比，折叠式衬管往往更能容忍管道异常或管道状况不佳。换句话说，有时可以成功地执行折页和折页，否则将需要进行昂贵的侵入式点修复。

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