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中文摘要：
利用Marc有限元软件建立计算模型,模拟了混凝土楼板在不同边界条件下的温度场及其分布规律,再利用温度场进一步分析结构的热力学响应,并与热传导理论的计算结果进行了比较.结果表明：数值模拟结果与理论计算结果相吻合,研究结果可为混凝土楼板在火灾下的热力学响应的抗火设计提供参考.
英文摘要：
In this paper, the thermodynamic properties of the concrete slabs under fire is studied by establishing models using the finite element software Marc which is utilized to simulate the temperature field and the regularities of distribution of the concrete slabs in different boundary conditions, and to analyze the thermodynamic response depending on the temperature field. The simulated results are then compared with the results calculated based on the heat transfer theory. The comparison results indicate that the numeric simulation calculations are in good consistence with the theoretical calculations, and may provide good reference value for the fire-resistance design of the thermodynamic response.
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