Method for predicting seepage field of nodal region of earth and rockfill dam and determining infiltration side of earth and rockfill dam
A technology for earth-rock dams and seepage fields, which is applied in the field of numerical simulation of seepage fields in hydropower projects, can solve the problems of many application restrictions, affecting the calculation accuracy of seepage fields, and the inability to effectively and accurately determine the position of the seepage surface, and achieve accurate simulation results. Effect
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[0060] The best embodiment of the present invention is as follows:
[0061] Step 1. Establish a three-dimensional fine geological model of the hub area including bad geological bodies and fissures,
[0062] include:
[0063] (1) Divide hydropower engineering geological data into deterministic data and statistical data; for deterministic geological data, use three-dimensional hybrid data structure, geological structure surface and geological body NURBS (Non-Uniform Rational B-Splines) structure technology to construct A three-dimensional geological model of rock formations, bad geological bodies and seepage control structures in the hub area; among them, bad geological bodies include one or more of compression zones, fracture zones, dissolution zones and weak interlayers.
[0064] (2) For statistical geological data, Monte Carlo (Monte Carlo) method is used to construct a three-dimensional fracture network model of rock mass; the construction of a three-dimensional fracture network mod...
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