Compressive performance of graphene concrete under different strain rate loading conditions

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Journal of Dalian Maritime University ›› 2026, Vol. 52 ›› Issue (1) : 134-142.

BI Zhiyuan¹，XU Jiaxiang²，RUAN Shihua^*3, WU Qingpeng⁴#br#
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Abstract

To enhance the mechanical performance of concrete under dynamic loading and investigate the reinforcing effect of nanomaterials, a study was conducted on the dynamic uniaxial compressive performance of concrete mixed with 0.05% graphene. Uniaxial compressive performance tests and finite element simulations were conducted on graphene concrete and ordinary concrete by using five different strain rate levels (10^-5s^-1, 10^-4s^-1, 10^-3s^-1, 5×10^-3s^-1, and 10^-2s^-1), and the differences in dynamic mechanical properties and strain rate effects between the two types of concrete were compared and analyzed. The experimental results show that the compressive strength and elastic modulus of both types of concrete have significant strain rate sensitivity, and increase with the increase of strain rate. The performance improvement of graphene concrete varies with strain rate. Compared to ordinary concrete, the maximum increase in compressive strength, elastic modulus, peak strain, and energy absorption capacity of graphene concrete is 16.17%, 5.02%, 7.27%, and 20.20%, respectively. The finite element numerical simulation results are in good agreement with the experimental test results, verifying the effectiveness of the simulation method. This study can provide theoretical support and technical reference for the application of graphene nanomaterials in concrete engineering.

Key words

graphene concrete / strain rate；compressive performance

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BI Zhiyuan, XU Jiaxiang, RUAN Shihua, WU Qingpeng. Compressive performance of graphene concrete under different strain rate loading conditions[J]. Journal of Dalian Maritime University. 2026, 52(1): 134-142

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