Drainage ditch pouring 80m, pile-to-be concrete pouring completed 62 blocks, 5-6 s anti-flush wall down to 1 s mud dam before the steel pipe pile drilling, the lower pipe a total of 610, the pile front steel pipe pile under the pipe 320 N1 completed a total of 14.20 meters of excavation pile length, pile core concrete pouring completed, N3 completed the excavation pile length of 15.60 meters, pile core concrete pouring completed, N4 completed the completion of the excavation pile length of 15.4 meters. N2 accumulated 13.0 meters; N5 accumulated 16.6 meters; N6 accumulated 16.0 meters; N7 accumulated 16.1 meters; N8 accumulated 13.5 meters, N9 accumulated 14.9 meters; N10 accumulated 15 meters. 1- Concrete pouring of silt dam completed
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