Determination method for different geological interface calculation parameters of sliding blocks of arch dam abutment
A sliding block and geological interface technology, applied in the direction of calculation, electrical digital data processing, special data processing applications, etc., can solve the problem of inaccurate selection, failure to consider the lithology distribution of sliding surfaces, and stability analysis of arch dam abutment slopes Problems such as unsatisfactory calculation results can achieve the effect of avoiding safety risks
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Embodiment 1
[0021] This embodiment provides a method for determining calculation parameters of different geological interfaces of the abutment sliding block of an arch dam, combining figure 1 , figure 2 and image 3 , including the following steps:
[0022] (1) Collect basic modeling data, and extract corresponding geological boundary lines from these geological data, including strong unloading lines, strong weathering lines, weak unloading lines, weakly weathering lines, slightly weathered lines, and bedrock boundary lines.
[0023] (2) According to the geological boundary line in step (1), the geological boundary is established, including strong unloading surface, strong weathered surface, weak unloading surface, weakly weathered surface, slightly weathered surface, and bedrock interface.
[0024] In the above step (2), the establishment of the geological interface is completed by using the discrete smooth interpolation method. The discrete smooth interpolation method is a method com...
Embodiment 2
[0032] In this embodiment, only one kind of geological boundary line - strong unloading line is selected, combined with figure 1 , figure 2 and image 3 As shown in , the methods for determining the different geological interfaces and parameters of the arch dam abutment sliding block are explained, and the methods for other geological structural surfaces are deduced by analogy;
[0033] (1) Collect basic modeling data, and extract corresponding strong unloading line 2 from these geological data, such as figure 1 shown;
[0034] (2) According to the strong unloading line 2 in step (1), use the discrete smooth interpolation method to form a strong unloading geological structure surface 4, as figure 2 shown. Structural surface fitting is carried out by the least square method to minimize the fitting error;
[0035] (3) Utilize the strong unloading geological structural surface 4 formed in step (2) to divide the three-dimensional block 1 of the abutment sliding block of the...
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