A systematic review on the evaluation methods for the flexural toughness of cement-based materials: From classification analysis to case study

K Yang, Z Tang, W Li, H Wu, G Ma, Y **ang… - Journal of Building …, 2024 - Elsevier
The enhancement of toughness of quasi-brittle cement-based materials holds significant
importance in modern concrete science. Flexural toughness serves as a key indicator for …

Investigating the influence of fibre type and content on the toughness and ductility of geopolymer mortar with acoustic emission technology

H Zhang, B He, W Chen, J Ai, X Zhu, Z Jiang - Cement and Concrete …, 2024 - Elsevier
The in-depth investigation on the toughness and ductility strengthening mechanism by fibres
is essential to efficiently design geopolymer composites with high toughness and ductility …

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 …

Comparison of compressive, flexural, and temperature-induced ductility behaviours of steel-PVA hybrid fibre reinforced OPC and geopolymer concretes after high …

H Zhang, PK Sarker, Q Wang, B He, JC Kuri… - … and Building Materials, 2023 - Elsevier
This paper presents a comparison of the performances of geopolymer concrete (GPC) and
ordinary Portland cement concrete (OPCC) with and without fibres after exposure to 200 …

Failure mechanism of steel fiber pullout in UHPC affected by alternating cryogenic and elevated variation

B He, O Onuaguluchi, N Banthia, H Zhang… - Cement and Concrete …, 2024 - Elsevier
This paper investigates the pullout response of straight and hooked-end steel fiber
embedded in Ultra-high Performance Concrete (UHPC) subjected to alternating cryogenic …

Durability of low-carbon geopolymer mortar: Different responses to cryogenic attack caused by water content and freeze-thaw mediums

H Zhang, PK Sarker, L **ao, J Ai, B He, Q Ren… - Cement and Concrete …, 2023 - Elsevier
Durability is an important attribute that needs to be focused on during the life span of low-
carbon geopolymer mortar (LCGM). The influence of water content (0.00%, 4.91%, 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 …

[HTML][HTML] Effect of steel slag on the mechanical properties and self-sensing capability of ultra-high performance concrete (UHPC)

M Kang, MC Kang, A Yonis, P Vashistha… - Developments in the Built …, 2024 - Elsevier
This study investigates the self-sensing capability and mechanical properties of ultra-high
performance concrete (UHPC) incorporating steel slag aggregates. The experimental …

Enhancing the flexural toughness of UHPC through flexible layer-modified aggregates: A novel interfacial toughening strategy

K Yang, G Long, Z Tang, W Li, G Ma, C Li… - Cement and Concrete …, 2024 - Elsevier
Enhancing the interfacial deformability of UHPC positively impacts its toughness and
durability. In this work, a novel interfacial toughening strategy was proposed and employed …

Effect of notch-to-depth ratio on flexural and fracture behaviors of UHPGC notched beams based on four-point bending test and acoustic emission

Y Jiao, M Fang, X Han, H Yang - Engineering Fracture Mechanics, 2023 - Elsevier
An ecological ultra-high-performance glass sand concrete (UHPGC) was prepared by
partially replacing quartz sand in traditional ultra-high-performance concrete (UHPC) with …