To study the features of infrared radiation of concrete fracturing water seepage and water inrush process ,concrete is pressurized with no water press and water press to uniaxial compressive stress .The experimental results show seepage point of concrete block in the process of destruction of water inrush with different characteristics.The IR radiation of seepage point shows an rise in early term, then partial low temperature, and rise in late term.Before water seepage water pressure let heating increase slowly, when water seepage makes temperature drop low in the water seepage point and it‘s aslo the reason of concrete water seepage and water inrush come early .Base on the experimental results, the mechanism of infrared radiation in no water press and water press are analyzed,the difference between them also be discussed.The experimental results are useful for infrared remote monitoring and disaster warning on concrete projects.
The template Contrast several methods applied in bridge deformation monitoring method, expounding the advantages and disadvantages of each method simple and clearly, providing guiding significance for practical engineering of bridge deformation monitoring.
Disaster system of mine is a complex evolutionary process, and the nonlinear dynamics provides a good train of thought to solve such problems. Based on the introduction of nonlinear dynamics theory, this paper emphatically discusses the application of the theory in the geotechnical hazard prediction of mine. Finally it points out the problems existing in the study of nonlinear dynamics and the direction of the efforts.
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