Heightening and reinforcing structure and method for existing reinforced concrete retaining wall
A reinforced concrete and reinforcement structure technology is applied in the field of heightening and reinforcement structures of reinforced concrete retaining walls in service, which can solve the problems of unsuitable retaining walls, heightening of walls, and external bulging, so as to increase the anti-slip and Overall stability, the effect of increasing anti-overturning resistance and stability, ensuring safety and stability
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[0035] The original height of the mountain slope in an area in Anshan, Liaoning is 6.0m, and the length is about 300m. The strata from top to bottom are: 0.5-3.0m thick silty clay, 1.0-3.8m thick sandy clay, 1.0-3.8m thick fully weathered sandy Mudstone, below the fully weathered mudstone is strongly weathered sandy mudstone with a thickness greater than 5m. The original reinforced concrete retaining wall in service is a cantilever reinforced concrete retaining wall. The bearing capacity of the side slope wall after plain fill is compacted f ak =100~~120Kpa, the retaining wall has been in operation for many years, due to phased development, according to the existing planning, the height of the original retaining wall needs to be increased by 4.0m.
[0036] The heightening measures of the retaining wall are as follows, and the specific structure refers to figure 1 : The back of the original retaining wall is equipped with artificially dug hole pouring pile foundation 1, the pil...
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