METHOD AND SYSTEM FOR DETERMINING SUPPORT STRUCTURE BY COMBINING STRESS ENVIRONMENT WITH UNDERGROUND SURROUNDING ROCK STRUCTURE
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Nov 9, 2023
filing date -
Nov 22, 2022
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Abstract
A method and a system for determining a supporting structure by combining a stress environment and an underground surrounding rock structure are provided in the disclosure, which relates to the technical field of stability analysis of coal-mine rock mass. The method includes: defining a stress peak position and an in-situ stress position by determining the stress environment; identifying the underground surrounding rock structure, identifying lithology and constructing a three-dimensional model of a rock stratum to analyze damage degree of the rock stratum; pretreating, namely normalizing, the damage degree of the rock stratum at two sides and comparing the damage degree of the rock stratum at a roof and the floor; and identifying the supporting structure and determining supporting effectiveness and a supporting length. The method of the disclosure is different from related art, and ensures that the supporting structure meets mechanical foundation and practical engineering requirements as a whole.
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