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| APPLICATION OF CONCRETE SLIDING RESISTANT KEY TO TREATING LIMESTONE BEDDING LANDSLIP |
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Abstract When the foundation rock at the workshop of Pengshui tobacco redrying factory is excavated，the slope foot of the limestone along-bedding landslip is cut. The three mud interlayers are exposed one after another at the slope foot，forming a huge along-bedding landslip with the size of 250 m×230 m×20 m. Through systematic research，the method setting concrete sliding resistant keys with section of 2.5 m×5.0 m horizontally and prestressed anchors is adopted to keep the slope stable. This method is very effective and 2/3 investment is saved in comparison with the method setting concrete sliding resistant key vertically.
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Received: 20 July 2005
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