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按照现在的见解,突出危险性取决于岩层的应力状态、瓦斯含量和物理力学性质三个因素。对煤层近工作面区来说,温度与前两个因素之间的联系表现在:煤体应力增加时温度上升,而在卸压和排放瓦斯时则温度下降。为确定这两个因素间的定量关系进行了专门的研究。在试验室用既能单向加压又能各向加压的一套装置,对煤温在负荷作用下的变化情况进行了测定。用探头测温,探头置于试样中心的孔内。用 KMT—14型半导体热敏电
According to the present opinion, the prominent danger depends on the stress state of the rock formation, gas content and physical and mechanical properties of three factors. For the near coal face, the relationship between temperature and the first two factors is as follows: the temperature rises when the coal stress increases, and the temperature decreases when the pressure is released and the methane is discharged. A special study was conducted to determine the quantitative relationship between these two factors. In the laboratory with both one-way pressure can be pressurized and a set of devices, the coal temperature under load changes were measured. With the probe temperature, the probe is placed in the center hole of the sample. KMT-14 type semiconductor thermistor