Real-time prediction method for rockburst in non-contact tunnel engineering construction
A tunnel engineering, non-contact technology, applied in earth-moving drilling, radiation pyrometry, optical radiation measurement, etc., can solve the problems of slow feedback, increased cost, high price, etc., to achieve high accuracy and less interference , the effect of high sensitivity
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[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0033] refer to figure 1 , is a kind of non-contact tunnel engineering construction rockburst real-time prediction method disclosed by the present invention, comprising the following steps:
[0034] 1. Collect traditional microseismic monitoring and geological survey data during the excavation of existing tunnels, determine the locations where rockbursts occur more frequently in different types of surrounding rocks, and establish a reference database.
[0035] 2. Use advanced geological drilling to obtain rock cores in the area to be excavated, measure the temperature of the obtained rock cores, and conduct isothermal triaxial tests in the laboratory. Here, the isothermal refers to the environment temperature and cores obtained during the test The same temperature at the same time, determine the temperature change of the core temperature during the rapid rise ...
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