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FROST-THAW EFFECTS ON BALLASTED TRACK.
| 题名： | FROST-THAW EFFECTS ON BALLASTED TRACK. |
| 作者： | Raymond-GP |
| 关键词： | GANTRY-CRANES; TRACK-; LOGGING-YARDS; CANADA-; DEFORMATION-; FAILURE-; FREEZING-THAWING-EFFECTS; RECONSTRUCTION-; STABILIZATION-; GEOTEXTILES- |
| 摘要： | The multiple failures of a ballasted track 877 m long built to guide the wheels of a heavy gantry crane used in a logging yard in northern Alberta, Canada, are described. At the time of construction the crane was claimed to be the heaviest, and its wheels were supported by a ballasted track with wood lateral members (ties). The track was built in 1985 but exhibited excessive differential vertical and lateral deformations in subsequent years. The focus is on failure of a track related to freeze-thaw conditions and the solution to track instability problems which was achieved with geotextiles. |
| 总页数： | Transportation Research Record. 1996. (1534) pp32-39 (9 Fig., 11 Ref.) |
| 报告类型： | 科技报告 |
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