Investigation on cracking resistance mechanism of basalt-polypropylene fiber reinforced concrete based on SEM test

N Liang, S Geng, J Mao, X Liu, X Zhou - Construction and Building …, 2024 - Elsevier
In order to study the anti-crack mechanism of basalt-polypropylene fiber reinforced concrete
(BPFRC), based on the restrained shrinkage test of BPFRC, the anti-crack enhancement …

Mechanical strength model of engineered cementitious composites with freeze–thaw damage based on pore structure evolution

S Liu, S Lu, L Yin, C Yan, L Lu, J Zhou - Cement and Concrete Composites, 2022 - Elsevier
A freeze-thaw cycle test, nuclear magnetic resonance (NMR) T 2 spectrum test, uniaxial
tensile test, and uniaxial compression test were designed to study the service conditions of …

[HTML][HTML] Multi-scale deterioration and microstructure of polypropylene fiber concrete by salt freezing

L Gong, X Yu, Y Liang, X Gong, Q Du - Case Studies in Construction …, 2023 - Elsevier
Salt freeze damage is a significant factor impacting the durability of hydraulic concrete
buildings in cold, saline soil areas. To settle the durability problem of hydraulic concrete in a …

Evaluation of molybdenum tailings as replacement for fine aggregate in concrete: Mechanical, corrosion resistance, and pore microstructural characteristics

X Quan, S Wang, K Liu, J Xu, N Zhao, B Liu - Construction and Building …, 2022 - Elsevier
This study explored the feasibility of molybdenum tailings (MTs) as an alternative to natural
river sand for concrete production. Firstly, the compressive (f cu) and splitting tensile …

Micromechanical modeling of frozen concrete by micro-deformation of multi-phase composite material

R Peng, W Qiu, M Jiang - Composite Structures, 2022 - Elsevier
Concrete is a heterogeneous multi-phase composite material, and the frozen damage is one
of the key factors for the deterioration of concrete. In this paper, a micro-scale modeling …

Experimental study and microscopic analysis on frost resistance of iron ore tailings recycled aggregate concrete

L Gong, X Gong, Y Liang, Z Jia… - Advances in Materials …, 2022 - Wiley Online Library
Freeze‐thaw harm is the major factor that reduces the durability of hydraulic concrete
buildings at high altitudes and in cold regions. To solve the durability problem of hydraulic …

Investigation on the mechanical properties and strengthening mechanism of solid-waste–sulfur-based cementitious composites

J Liu, C Yan, J Li, J Zhang, S Liu - Materials, 2023 - mdpi.com
This research used waste ceramic powder (CP) to replace aggregate, fly ash (FA) as filler,
and combined them with sulfur to prepare composite cementitious materials. The variations …

A Study of Impact Response and Its Numerical Study of Hybrid Polypropylene Fiber‐Reinforced Concrete with Different Sizes

N Liang, R Yan, X Liu, P Yang… - Advances in Materials …, 2020 - Wiley Online Library
Compressive properties of hybrid polypropylene fiber‐reinforced concrete (HPFRC) with
different sizes of polypropylene fibers (PPFs) under the impact load (101∼ 102/s) were …

Effect of multi-scale polypropylene fiber hybridization on mechanical properties and microstructure of concrete at elevated temperatures

N Liang, X You, G Cao, X Liu… - Advances in Structural …, 2021 - journals.sagepub.com
This paper presents results of an experimental study on the compressive and splitting tensile
strength of plain concretes and concretes incorporated with macro, micro and hybrid …

Effect of multi‐scale polypropylene fiber hybridization on compressive constitutive mechanics parameters of roller compacted concrete

N Liang, R Yan, Q Miao, G Cao, X Liu - Structural Concrete, 2022 - Wiley Online Library
To investigate the influence of hybrid effect of different sizes of polypropylene fibers (PPFs)
on the compressive constitutive mechanical parameters of roller compacted concrete, nine …