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首页> 外文会议>World of Coal Ash Conference >Use of Bottom Ash in the Reinforced Zone of a Mechanically Stabilized Earth Wall for the Vertical Expansion of a Sluiced CCR Pond at the Trimble County Generating Station
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Use of Bottom Ash in the Reinforced Zone of a Mechanically Stabilized Earth Wall for the Vertical Expansion of a Sluiced CCR Pond at the Trimble County Generating Station

机译：在机械稳定地球墙的加强区中使用底部灰分用于Trimble县发电站的水化CCR池的垂直膨胀

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Louisville Gas and Electric’s Trimble County Generating Station is a coal-fired power plant located on the Ohio River near Bedford, Kentucky. In 2010, the plant more than doubled its generating capacity with the addition of a second generating unit, which also more than doubled its production of Coal Combustion Residuals (CCR). During siting studies for a new CCR landfill, it was decided that a vertical expansion of the existing Bottom Ash Pond of its originally permitted height was necessary to provide enough time to design and permit a new landfill. Due to site geometry constraints, it was decided to use over 8000 linear feet of Mechanically Stabilized Earth (MSE) walls to construct the vertical expansion. Wall heights of up 45 feet were necessary. Project economies were realized by using select bottom ash in the MSE wall reinforced zone. This required the contractor to “mine” over 300,000 cubic yards of bottom ash from the pond saving money and creating additional pond storage capacity; thereby extending its operational life. Clay soil used to line the inner slope of the dike vertical expansion was obtained from an adjacent property and the final grades of the borrow area were designed to function as a constructed wetland. Over the course of the project, various lessons were learned on selecting suitable bottom ash and other construction materials.
机译：路易斯维尔天然气和电气的Trimble县发电站是一家燃煤电厂，位于肯塔基州贝德福德附近的俄亥俄河上。 2010年，植物在加入第二种发电机的发电量增加了一倍，这也增加了其生产煤燃烧残留（CCR）的增加。在为新CCR填埋场采集研究期间，决定现有的底灰池的垂直膨胀是必要的，以提供足够的时间来设计和允许新的垃圾填埋场。由于现场几何限制，决定使用超过8000线的机械稳定的地球（MSE）壁以构建垂直膨胀。 45英尺的墙壁高度是必要的。通过使用MSE墙增强区中的选择底部灰分来实现项目经济体。这需要承包商从池塘节省资金和创造额外的池塘储存能力，“矿山”超过300,000立方米的底部灰烬;从而延长其运营生活。用于线的粘土土壤从堤防垂直膨胀的内斜率从相邻的性质获得，并且借用区域的最终等级被设计为用作构造的湿地。在项目过程中，在选择合适的底灰和其他建筑材料时，学习了各种课程。

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