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Geosynthetics in action
| 题名： | Geosynthetics in action |
| 正文语种： | eng |
| 作者： | Todd R. Berger |
| 摘要： | This issue of Geosynthetics magazine will focus on three distinct applications of geosynthetics. As the first feature, "NPA Geocell for a Railway Line Repair in a Permafrost Region," describes, it took more than two years to come up with a workable, economical solution for repairs to the deteriorating railway line to Churchill, Man., Canada, the only land access to the remote town on Hudson Bay. Warming of the permafrost under the rail line and a major flood in 2017 caused extensive damage to the railway, rendering it unusable. All basic supplies for Churchill were subsequently flown in by airplane. The authors recommended high-strength novel-polymeric alloy (NPA) geocells for the repairs to the track, and the multiple repairs were completed in five weeks at a cost that was 20%-25% of the initially anticipated cost. The authors explain in words and photographs how the project was executed. |
| 出版年： | 2021 |
| 期刊名称： | Geosynthetics |
| 卷： | 39 |
| 期： | 3 |
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