Autogenous self-healing of ultra-high-performance fiber-reinforced concrete with varying silica fume dosages: Secondary hydration and structural regeneration

Q Zheng, C Li, F Song, B He, W Li, Z Jiang - Cement and Concrete …, 2023 - Elsevier
Secondary hydration is the main driving force of autogenous self-healing and directly
impacts the closure of cracks in damaged cementitious materials. In fiber-reinforced cement …

Recycling thermoset plastic waste for manufacturing green cement mortar

H Chen, R Qin, CL Chow, D Lau - Cement and Concrete Composites, 2023 - Elsevier
Highly crosslinked thermoset plastic waste is generally regarded as unrecycled materials
and dumped into landfills. To divert the waste from landfills, recycling thermoset waste as …

Damage source and its evolution of ultra-high performance concrete monitoring by digital image correlation and acoustic emission technologies

X Xu, Z Jin, Y Yu, N Li - Journal of Building Engineering, 2023 - Elsevier
Ultra-high performance concrete (UHPC) is a kind of fiber-reinforced cement-based
materials with outstanding mechanical properties and much enhanced toughness. In this …

Thermal-dependent brittleness effect of ultra-high performance concrete exposed to cryogenic flexural loads by acoustic emission evaluation

B He, H Zhang, X Zhu, Q Zheng, O Onuaguluchi… - Cement and Concrete …, 2023 - Elsevier
Abstract Ultra-high Performance Concrete (UHPC) exposed to cryogenic temperatures
typically fails in a brittle fashion, with a failure mode that is undesirable and catastrophic. In …

Synergistic effect of microfibers and oriented steel fibers on mechanical properties of UHPC

X Ji, Y Jiang, X Gao, M Sun - Journal of Building Engineering, 2024 - Elsevier
The study introduces a novel approach to enhance the properties of Ultra-High Performance
Concrete (UHPC) through multi-scale synergistic reinforcement using microfibers (0.66 mm) …

[HTML][HTML] Chloride induced mechanical degradation of ultra-high performance fiber-reinforced concrete: Insights from corrosion evolution paths

Z Song, S Li, Q Yu - Construction and Building Materials, 2023 - Elsevier
Chloride-induced corrosion of ultra-high-performance fiber-reinforced concrete (UHPFRC)
inevitably affects structural durability. However, the process of multi-fiber corrosion and …

Insight into the flexural characteristics of rapid hardening ultra-high performance concrete (RH-UHPC) incorporating CSH seeds using acoustic emission technology

K Yang, G Long, Z Tang, G Ma, H Zhao, J He… - … and Building Materials, 2023 - Elsevier
With the increasing requirements for emergency repair projects, there is a pressing need for
high-quality repair materials. In this work, a series of rapid hardening ultra-high performance …

Tracing fracture damage evolution and identifying damage patterns in cast steel using advanced acoustic emission analysis

X Wang, J Xu, Q Yue, X Liu - Engineering Fracture Mechanics, 2023 - Elsevier
The application of advanced acoustic emission signal analysis techniques can facilitate the
identification of fracture damage modes in ductile materials and enable the provision of …

A low-carbon approach to recycling engineering muck to produce non-sintering lightweight aggregates: Physical properties, microstructure, reaction mechanism, and …

W Gao, H Zhang, Q Ren, Y Zhong, Z Jiang - Journal of Cleaner Production, 2023 - Elsevier
Engineering muck represents a typical, large output construction waste. However, the
comprehensive utilisation rate of engineering muck is typically low. Large quantities of …

Multifunctional ultra-high performance fibre-reinforced concrete with integrated self-sensing and repair capabilities towards in-situ structure monitoring

F Song, Q Chen, Q Zheng - Composite Structures, 2023 - Elsevier
Achieving continuous in-situ monitoring of repaired concrete structures has always been a
great challenge. Ultra-high performance fibre-reinforced concrete (UHPFRC), featuring …