区域法计算钢筋混凝土柱的耐火性能

Transactions of the VSB Technical University of Ostrava Safety Engineering Series Pub Date : 2011-12-01 DOI:10.35182/tses-2011-0011

Lidija Milošević, D. Pešić

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引用次数: 0

摘要

本文介绍了两侧受火钢筋混凝土柱耐火性能的计算。温度的计算取决于钢筋混凝土柱内的热流是一维的还是二维的。混凝土温度和钢筋温度采用赫兹法计算。计算了在一定时间内混凝土的强度和配筋值以及混凝土的损伤区宽度。采用区域法计算了钢筋混凝土柱对火灾影响的抗力。根据钢筋混凝土柱的弯矩承载力，确定了柱抗火作用的时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Calculation of Fire Resistance of Reinforced Concrete Column by the Zone Method

: This paper describes the calculation of the ﬁ re resistance of reinforced concrete column that is exposed to ﬁ re from two sides. Calculation of the temperatures has been made depending on whether the heat ﬂ ow within the reinforced concrete column is one-dimensional or two-dimensional. The temperature of concrete and the temperature of reinforcement are calculated by the Hertz's method. The values of concrete strength and reinforcement, as well as the width of the damage zone of concrete during a certain period of exposure to ﬁ re have been calculated. Resistance to the effects of ﬁ re on reinforced concrete column has been calculated by the zone method. The time of the resistance of column to the effects of ﬁ re has been determined according to the moment capacity of reinforced concrete column.

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来源期刊

Transactions of the VSB Technical University of Ostrava Safety Engineering Series

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审稿时长

12 weeks