Abstract
From the analysis of the character of elastic wave through a rock medium, According to the safety driving problems faced in tunnel construction geological prediction, using TSP test data inversion of rock hardness, integrity and water characteristic parameters, the determination model of surrounding rock classification based on the variable fuzzy sets for surrounding rock classification. You can use the existing geological forecast means the achievements, with no increase in the additional cost method, the use of advanced, scientific method, in situ on surrounding rock grade determination, not only reduced the economic investment, and reduce the detection procedure, which have greatly improved invest. From detection technology investment and time efficiency compared to the original method, to guide the construction, save the cost, construction scheme design plays a positive role. This method not only has the profound theory value, but also has significant social benefits and huge economic benefits.
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