Rock fever property test system under a kind of condition of high voltage, it includes two autoclaves (1,2), high-pressure pump (3), temperature monitoring module (8) and monitoring of surrounding rock pressure module (9), and high-pressure pump (3) is connected by being equipped with the first connecting pipe (5) of the first bleed valve (51) and first pressure sensor (52) with the first cavity (11); A rock sample (4) are installed in the second cavity (21), it is separately installed with a temperature sensor (61,62,63) in the center and outer surface of the rock sample (4) and the second cavity (21), is connected by being equipped with the second bleed valve (71) with the second connecting pipe (7) of second pressure sensor (72) between first cavity (11) and the second cavity (21). And a kind of rock fever physical property measurement method under condition of high voltage. The systems and methods are not necessarily to electric heating " heat source ", it realizes the moment load of rock sample (4) by quickly opening the second bleed valve (71), utilize the finite element numerical inverse model of foundation, in conjunction with global optimization method, the thermal physical property parameter of rock sample under condition of high voltage (4) can be obtained.
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