Calculation Method of Pitching Bending Moment of Shield Cutterhead Under Geological Conditions of Upper and Lower Layers
A technology of shield cutter head and geological conditions, applied in computing, special data processing applications, instruments, etc., can solve problems such as loss, lack of adjustment basis, lag, etc., and achieve the effect of improving lag and scientific and effective technical guidance
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[0017] The calculation process of the present invention will be further described through specific examples below. It should be noted that this example is descriptive rather than restrictive, and does not limit the protection scope of the present invention.
[0018] This embodiment combines the construction process of a certain subway project. The project adopts the shield construction method, and a total of 800 rings are excavated. The 20th ring and the 50th ring are randomly selected as examples, and the detailed calculation steps of the pitching moment of the cutter head when the shield tunneling reaches these two rings are given. can be calculated in the same way.
[0019] Calculation method of cutterhead pitching moment when shield tunneling in upper and lower stratified geological conditions
[0020] (1) Determine the geological conditions of the excavation face;
[0021] (2) If it belongs to geological stratification working condition 1, then calculate the pitching mo...
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