A review of self-sensing ultra-high performance concrete: Towards next-generation smart structural materials

Song, Facheng; Li, Qinghua; Xu, Shilang

doi:10.1016/j.cemconcomp.2023.105350

Cited by 16 publications

(3 citation statements)

References 135 publications

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“…In addition, UHPC with 1.2 volume percent of CCSFs achieved a strain sensitivity of 28.2 under a monotonic peak load, where the compressive stress was monitored in the range from 0 to 125.7 MPa. The electrical resistance of UHPC with stainless steel fibres/CCSFs can be used for the real-time monitoring of stress, strain and damage evolution in structures [12].…”

Section: Self-sensing Uhpcmentioning

confidence: 99%

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A Comprehensive Review of the Advances, Manufacturing, Properties, Innovations, Environmental Impact and Applications of Ultra-High-Performance Concrete (UHPC)

Kravanja,

Mumtaz,

Kravanja

2024

Buildings

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The article presents the progress and applications of ultra-high-performance concrete (UHPC), a revolutionary material in modern construction that offers unparalleled strength, durability, and sustainability. The overview includes the historical development of UHPC, covering its production and design aspects, including composition and design methodology. It describes the mechanical properties and durability of UHPC and highlights recent innovations and research breakthroughs. The potential integration of multifunctional properties such as self-heating, self-sensing, self-luminescence and superhydrophobicity, is explored. In addition, advances in nanotechnology related to UHPC are addressed. Beyond the actual material properties, the article presents an environmental impact assessment and a life-cycle cost analysis, providing an insight into the wider implications of using UHPC. To illustrate the environmental aspects, the determination of CO2 emissions is explained using three numerical examples. Finally, various applications of UHPC are presented, focusing on the construction of buildings and bridges. By synthesizing the above-mentioned aspects, this review paper captures the dynamic landscape of UHPC and serves as a valuable resource for researchers and engineers in the field of construction materials.

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Section: Self-sensing Uhpcmentioning

confidence: 99%

“…This review Production, Manufacturing, Mechanical Properties, Self-sensing and Applications 2023 [12] Design methodology, Production Manufacturing, and Mechanical Properties 2023 [13] Table 1. Cont.…”

mentioning

confidence: 99%

A Comprehensive Review of the Advances, Manufacturing, Properties, Innovations, Environmental Impact and Applications of Ultra-High-Performance Concrete (UHPC)

Kravanja,

Mumtaz,

Kravanja

2024

Buildings

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“…Superior mechanical properties are essential for applying self-sensing properties. UHPC has good durability and crack resistance and therefore can be implemented in critical infrastructures [ 18 , 19 , 20 ]. However, due to its very low electrical conductivity, UHPC alone cannot be used to achieve self-sensing.…”

Section: Introductionmentioning

confidence: 99%

Mechanical, Electrical, and Tensile Self-Sensing Properties of Ultra-High-Performance Concrete Enhanced with Sugarcane Bagasse Ash

Lian,

Wang,

et al. 2023

Materials

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Although sugarcane bagasse ash (SCBA) possesses favorable cementitious properties, previous research has primarily focused on improving the mechanical performance of conventional concrete- or cement-based composites. Limited attention has been given to ultra-high-performance concrete (UHPC) with SCBA, especially regarding its tensile -sensing properties. This study aimed to comprehensively evaluate the effect of SCBA on the mechanical, electrical, and tensile self-sensing properties of UHPC. The results demonstrated that incorporating SCBA below the critical concentration of 3.0 wt% enhanced the mechanical properties of UHPC. Notably, adding 3.0 wt% SCBA remarkably improved the compressive, flexural, and tensile strengths of UHPC, resulting in increases of 13.1%, 17.4%, and 20.6%, respectively. However, excessive incorporation of SCBA adversely affected the mechanical properties due to reduced workability of UHPC, increased generation of harmful voids, and a lower degree of hydration caused by the excess SCBA. Furthermore, the inclusion of SCBA influenced the electrical resistivity of UHPC, and specifically, an SCBA content of 0.3 wt% yielded the maximum electrical resistivity. Moreover, incorporating SCBA in UHPC enhanced its tensile stress-sensing performance compared to SCBA-free UHPC. Among the various SCBA contents tested, UHPC with 0.3 wt% SCBA presented the best linearity, with values of 8.8% for loading and 17.0% for unloading, respectively, which were significantly lower than those for SCBA-free UHPC, which were 14.0% and 60.0%, respectively. Additionally, UHPC with 0.9 wt% SCBA gained the lowest hysteresis and repeatability, with values of 13.3% and 5.3%, respectively, which were much lower than those for SCBA-free UHPC, which were 50% and 51.6%, respectively. The tensile stress-sensing performance of UHPC is influenced by three key aspects: the gap between adjacent conductive fillers, contact resistance, and the connectivity of the electrical network, which are subject to change due to varying stress states and SCBA concentrations. This study should aid SCBA use and promote UHPC’s practical applications.

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Development of robotic sprayable self-sensing cementitious material for smart structural health monitoring

Lu,

Wang,

Wang

et al. 2024

Additive Manufacturing

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A review of self-sensing ultra-high performance concrete: Towards next-generation smart structural materials

Cited by 16 publications

References 135 publications

A Comprehensive Review of the Advances, Manufacturing, Properties, Innovations, Environmental Impact and Applications of Ultra-High-Performance Concrete (UHPC)

A Comprehensive Review of the Advances, Manufacturing, Properties, Innovations, Environmental Impact and Applications of Ultra-High-Performance Concrete (UHPC)

Mechanical, Electrical, and Tensile Self-Sensing Properties of Ultra-High-Performance Concrete Enhanced with Sugarcane Bagasse Ash

Development of robotic sprayable self-sensing cementitious material for smart structural health monitoring

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