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首页> 外文会议>CDS Report no.377; Western Dredging Association 24th Technical Conference and 36th Texas Aamp;M Dredging Seminar; 20040706-09; Orlando,FL(US) >OFFLOADING OF ISLAND DREDGED MATERIAL MANAGEMENT FACILITIES TO REGAIN SITE CAPACITY AND PROVIDE BENEFICIAL REUSE OF DREDGED MATERIALS AS PART OF THE LONG RANGE DREDGED MATERIAL MANAGEMENT PLAN FOR THE ATLANTIC INTRACOASTAL AND OKEECHOBEE WATERWAYS IN FLO
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OFFLOADING OF ISLAND DREDGED MATERIAL MANAGEMENT FACILITIES TO REGAIN SITE CAPACITY AND PROVIDE BENEFICIAL REUSE OF DREDGED MATERIALS AS PART OF THE LONG RANGE DREDGED MATERIAL MANAGEMENT PLAN FOR THE ATLANTIC INTRACOASTAL AND OKEECHOBEE WATERWAYS IN FLO

机译：卸载岛上有缺陷的材料管理设施以恢复站点容量并提供有益的材料再利用，这是佛罗里达州沿海，沿海和OKEECHOBEEE水道的长范围有缺陷的材料管理计划的一部分

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摘要

The Florida Inland Navigation District, the state sponsor of the Atlantic Intracoastal Waterway and a portion of the Okeechobee Waterway in Florida, has completed the planning phase of Long-Range Dredged Material Management Plans (Taylor et al 1990, 1993, and 1997) for these waterways. These Plans provide for a permanent infrastructure of 61 management and recycling facilities for all maintenance material dredged from the 374 miles of Intracoastal Waterway and for 15 miles of the Okeechobee Waterway. The Plans also focus on treating the dredged material as a resource to be recovered and recycled for various beneficial uses. As part of these plans four islands, created by dredged material from previous dredging and located adjacent to high maintenance areas of the waterway adjacent to ocean inlets, were identified for continued use for dredged material management. However, the four islands were already filled to capacity or near capacity from previous dredged material placement therefore necessitating the removal of dredged material (offloading) if continued use is to occur. To date three sites have been offloaded or are being offloaded and the fourth site has been designed and permitted for future offloading. Two of the islands have been offloaded by utilizing a hydraulic dredge to re-slurry the dredged material and transport it by pipeline to ocean beaches to re-nourish areas that are experiencing significant beach erosion. The third island is currently being offloaded utilizing conveyors and barges. The dredged material is then being transported down the Intracoastal Waterway to a fill an area that was deepened by previous dredging for construction fill. The previously dredged hole will be filled to create environmental habitat and to provide mitigation credits for future projects on the waterway. This paper will focus on the specific aspects, successes and failures of these offloading projects.
机译：佛罗里达内陆航行区是大西洋内陆水道的州赞助商，也是佛罗里达奥基乔比水道的一部分，已经完成了远程疏Material材料管理计划的规划阶段（Taylor等，1990、1993和1997）。水道。这些计划为61个管理和回收设施提供了永久性基础设施，用于从374英里内陆水道和15英里奥基乔比水道挖出的所有维护材料。该计划还着重于将挖出的物料作为一种资源加以回收和再循环以用于各种有益用途。作为这些计划的一部分，确定了四个岛，这些岛是由先前挖泥产生的挖泥材料创建的，位于邻近海洋入口的水路高维护区域附近，可继续用于挖泥材料管理。但是，这四个岛已经从以前的疏material物料位置装满或接近容量，因此，如果要继续使用，则有必要将疏the的物料清除（卸货）。迄今为止，三个站点已被卸载或正在被卸载，第四个站点已被设计并允许将来卸载。通过利用水力疏edge机重新疏the淤泥并通过管道将其运输到海洋海滩，再对正在遭受严重海滩侵蚀的地区进行重新养育，两个岛屿已被卸载。第三岛目前正在使用输送机和驳船进行卸载。然后，将挖出的物料沿内陆水道运输到填埋区，该区域已被先前的挖泥加深以进行建筑填埋。先前挖出的洞将被填满，以创造环境栖息地并为水道上的未来项目提供缓解信用。本文将重点介绍这些卸载项目的特定方面，成功和失败。

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