Document Details |
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| Name of Department/Committee : | TXD 30 |
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| Document Number : | TXD 30 ( 28444) |
| Document Title [English] : | Determination of long-term flow of geosynthetic drains |
| Document Title [Hindi] : | भुकृत्रिम नालियों के दीर्घकालिक प्रवाह का निर्धारण |
| Document Type : | New |
| Language : | English |
| Priority : | 3 |
| ICS Code : | 59.080.70 |
| Date of Project Approval : | 15-07-2025 |
| Standards to be Superseded : | |
Classification Details |
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| Group : | Textile, Textile Products and Machinery |
| Sub Group : | Textile for special use |
| Sub Sub Group : | Geo-synthetics |
| Aspects : | Methods of tests |
| Risk : | None |
| Certification : | None |
| Short Commom Man's Title : | |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Identical under dual numbering |
| Identical/Equivalent Standards : | ISO/TS 18198 : 2023 |
| Organization Type: | ISO |
| Sl.No. | Synosis Points | |
| 1 | This document specifies methods of deriving reduction factors for geosynthetic drainage materials to account for intrusion of filter geotextiles, compression creep, and chemical and biological degradation. It is intended to provide a link between the test data and the codes for design with geosynthetic drains. The geosynthetics covered include those whose primary purpose is planar drainage, such as geonets, cuspated cores only, or cuspated cores combined with laminated filter geotextiles, and drainage liners, where the drainage core is made from polypropylene and high-density polyethylene. The majority of geosynthetic drains are geocomposites with geotextiles laminated to a drainage core and it is important, where possible, to consider the drainage behaviour of the geocomposite as a whole rather than the behaviour of the component parts in isolation. | |
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