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2022年 第16卷 第12期

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《结构与土木工程前沿（英文）》 >> 2022年 第16卷 第12期 doi: 10.1007/s11709-019-0578-7

An improved design method to predict the E-modulus and strength of FRP composites at different temperatures

Department of Civil and Architectural Engineering, Texas A&M University-Kingsville, Texas F8363, USA

录用日期： 2019-11-22 发布日期： 2019-11-22
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摘要

In recent years, there has been an increased interest in the use of fiber reinforced polymer (FRP) in the construction industry. However, the E-modulus and strength of such members at high service temperatures is still unknown. Modulus and strength of FRP at high service temperatures are highly required parameters for full design. The knowledge and application of this could lead to a cost effective and practical consideration in fire safety design. Thus, this paper proposes design methods for calculating the E-modulus and strength of FRP members at different temperatures. Experimental data from literature were normalized and compared with the results predicted by this method. It was found that the proposed design methods conservatively estimate the E-modulus and strength of FRP structural members. In addition, comparison was also made with direct references to the real behavior of materials. It was found to be satisfactory. Finally, an application is provided.

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