Unbalanced foundation pit support design method
A design method and foundation pit support technology, applied in excavation, foundation structure engineering, construction, etc., can solve problems such as unbalanced foundation pit, complex construction conditions, waste, etc., achieve shortened construction period, high promotion and application value, and save materials Effect
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[0021] The unbalanced foundation pit support design method proposed by the present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments. In a renovation project on the south bank of the Yangtze River in Qingshan District, Wuhan City, Hubei Province, according to the relevant information of the project, the elevation of ground 1 is 0.0m, the elevation of bottom surface 2 of the shallow foundation pit is -5.0m, and the elevation of bottom surface 2 of the deep foundation pit is -10.0m ,, the groundwater level is generally around -6.0m.
[0022] The parameters of each layer of soil are shown in Table 1:
[0023] Table 1 List of design values of parameters of each soil layer
[0024]
[0025] Set the inner support 3 at -3.0m, and calculate the support structure on the deeper side of the foundation pit, calculate according to the Rankine active earth pressure on the outside of the support structure, and calculate...
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