A method for reinforcement and anti-seepage of a natural rockfill dam in a barrier lake
A rockfill dam and natural technology, which is applied in the field of risk removal, reinforcement and seepage prevention of natural rockfill dams in dammed lakes, can solve problems such as being unsuitable for risk removal and seepage prevention reinforcement construction, and achieves reasonable process setting, good seepage prevention effect, and improved The effect of stability
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[0039] The method for eliminating danger, strengthening and anti-seepage of natural rockfill dam of barrier lake described in the present invention comprises the following steps:
[0040]Step 1, pouring the concrete cover layer of the rockfill dam:
[0041] Step 1.1, measure and stake out, expand the 50cm mark along the sideline of the heavy layer of concrete cover, 1m 3 The excavator cooperates with manual excavation to level the foundation surface, adopts 15t vibratory rolling and compaction, and supports the formwork around.
[0042] Step 1.2, pouring concrete cover layer:
[0043] Pour a 6m wide C15 concrete cover layer on the excavated and compacted foundation surface, with a thickness of at least 0.3m. The pouring is performed from left to right by jumping warehouses, and the length of each warehouse is 10m. Concrete is transported by concrete tanker, directly into the warehouse and paved. Use a plug-in vibrator to vibrate compactly, wait for coagulation, and the waiti...
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