矿棉夹芯板在室温和高温下的弯曲行为

Ashkan Shoushtarian Mofrad, H. Pasternak
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引用次数: 1

摘要

本文对矿棉夹芯板在弯曲载荷作用下的抗弯刚度进行了参数化研究。MW板是工业建筑常用的墙板。它们在火灾中提供极好的绝缘。在本研究中,研究了夹芯板在常温和高温下的性能。为了达到这一目标,建立了一个有限元模型,将模拟结果与正常情况和火灾情况下的实验结果进行验证。本文的实验研究是由煤炭和钢铁研究基金(RFCS)资助的STABFI项目的一部分。采用ABAQUS软件进行数值研究。采用模拟进行分析和设计是一种替代昂贵测试的方法。然而,为了依靠数值结果,模拟必须与实验结果进行验证。本文在对有限元结果进行验证后,进行了参数化研究,观察了面板厚度、长度、宽度以及面板厚度对MW夹芯板在正常工况下抗弯刚度的影响。结果表明,板厚对夹芯板抗弯刚度的影响最为显著。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
BEHAVIOUR OF MINERAL WOOL SANDWICH PANELS UNDER BENDING LOAD AT ROOM AND ELEVATED TEMPERATURES
This paper presents a parametric study for the bending stiffness of mineral wool (MW) sandwich panels subjected to a bending load. The MW panels are commonly used as wall panels for industrial buildings. They provide excellent insulation in the case of fire. In this research, the performance of sandwich panels is investigated at both ambient and elevated temperatures. To reach that goal, a finite element (FE) model is developed to verify simulations with experimental results in normal conditions and fire case. The experimental investigation in the current paper is a part of STABFI project financed by Research Fund for Coal and Steel (RFCS). The numerical study is conducted using ABAQUS software. Employing simulations for analysis and design is an alternative to costly tests. However, in order to rely on numerical results, simulations must be verified with the experimental results. In this paper, after the verification of FE results, a parametric study is conducted to observe the effects of the panel thickness, length and width, as well as the facing thickness on the bending stiffness of MW sandwich panels at normal conditions. The results indicate that the panel thickness has the most significant effect on the bending stiffness of sandwich panels.
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