Explanipedia

Effects of superabsorbent polymer and natural zeolite on shrinkage, mechanical properties, and porosity in ultra-high performance concretes Open

Yuxiang Tan, Bo Li, Yung‐Tsang Chen, Yifeng Ling, Weizhuo Shi · 2024

The low water-to-binder ratio of ultra-high performance concrete (UHPC) often causes shrinkage and cracking due to early-age self-desiccation. This leads to significant initial dimensional instability, which may compromise structural integ…

Size effect on compressive strength of foamed concrete: Experimental and numerical studies Open

Nengdong Jiang, Zhi Ge, Zhiyuan Wang, Tianming Gao, Hongzhi Zhang , et al. · 2024

This study investigates the size effect on the compressive strength of foamed concrete at the mesoscale level combining X-ray computed tomography (X-CT) and a discrete lattice model. Image segmentation techniques and X-CT were employed to …

A Method for Evaluating the Printability of Concrete in 3d-Printed Pavement Open

Yuping Feng, Guoqiang Yin, Cong Wang, Wankai Shi, Xuhao Wang , et al. · 2024

Electrostatic self-assembly effect of Fe <sub>3</sub> O <sub>4</sub> nanoparticles on performance of carbon nanotubes in cement-based materials Open

Linghui Wang, Zhi Ge, Ning Zhang, Yujie Feng, Yifeng Ling , et al. · 2024

The beneficial effect of carbon nanotubes (CNTs) to enhance the electrical conductivity and piezoresistivity of cement-based materials was highly contingent upon its dispersion. To achieve an appropriate dispersion of CNTs, ultrasonication…

Influence of Fiber Orientation on the Water and Ions Transportation of Engineered Cementitious Composite (ECC) Open

Abdullah M. Tawfek, Zhi Ge, Jian Li, Kangkang Zhang, Nengdong Jiang , et al. · 2023

An engineered cementitious composite (ECC) belongs to a type of high-performance fiber-reinforced materials. Fiber alignment causes the anisotropy of such materials. Herein, the influence of the fiber orientation on water and ion penetrati…

Carrier Concentration and Orientation Optimization for High Performance (Sb,Bi)2te3 Thermoelectric Films Via Magnetron Co-Sputtering Open

Juan Li, Guojuan Qiu, Yifeng Ling, Guoying Dong, Jianghe Feng , et al. · 2023

Thermal Conductivity Measurement of Thermoelectric Films Using Transient Photo-Electro-Thermal Technique Open

Ruiheng Liu, Yifeng Ling, Meng Han, Jin‐Qi Xie, Guojuan Qiu , et al. · 2023

Elucidating the Influence of Constituent Material on Behavior of Auxetic Cellular Composites Using Finite Element Analyses Open

Zhi Ge, Hongzhi Zhang, Jian Li, Jin Qin, Shuai Song , et al. · 2023

Size Effect on Compressive Strength of Foamed Concrete: Experimental and Numerical Studies Open

Nengdong Jiang, Zhi Ge, Zhiyuan Wang, Tianming Gao, Hongzhi Zhang , et al. · 2023

Effects of Pva Fiber Content and Gold Tailings Dosage on the Frost Resistance of Ecc Open

Zhi Ge, Chuansong Chen, Yufeng Bi, Hongzhi Zhang, Yanhua Guan , et al. · 2023

Behavior of Engineered Cementitious Composites (ECCs) Subjected to Coupled Sustained Flexural Load and Salt Frost Open

Yonghao Li, Ning Zhang, Renjuan Sun, Yanhua Guan, Liu Lemin , et al. · 2022

The performance of engineered cementitious composites (ECCs) under coupled salt freezing and loaded conditions is important for its application on the transportation infrastructure. However, in most of the studies, the specimens were gener…

Influence of fiber orientation on the mechanical responses of engineering cementitious composite (ECC) under various loading conditions Open

Abdullah M. Tawfek, Zhi Ge, Huaqiang Yuan, Ning Zhang, Hongzhi Zhang , et al. · 2022

The mechanical performance of engineered cementitious composite (ECC) depends greatly on fiber orientation and distribution. In this paper, the effect of fiber orientation on ECC's mechanical properties was investigated using two different…

Optimization of Graphene Nanoplatelets Dispersion and Its Performance in Cement Mortars Open

Yong Zhou, Yuliang Wang, Tianming Gao, Yifeng Ling, Nengdong Jiang , et al. · 2022

As promising next-generation conducting materials, Graphene Nanoplatelets (GNPs) have been widely used to enhance the mechanical and pressure-sensitive properties of cement-based materials. However, this beneficial effect highly depended o…

Experimentally validated meso-scale fracture modelling of foamed concrete Open

Nengdong Jiang, Zhi Ge, Yanhua Guan, Zhiwu Zuo, Hongzhi Zhang , et al. · 2022

Effect of crack width and wet-dry cycles on the chloride penetration resistance of engineered cementitious composite (ECC) Open

Renjuan Sun, Wei Lu, Chuanyi Ma, Abdullah M. Tawfek, Yanhua Guan , et al. · 2022

Advances in Sustainable Concrete System Open

Yifeng Ling, Chuanqing Fu, Peng Zhang, Peter Taylor · 2022

In recent years, the implementation of sustainable concrete systems has been a topic of great interest in the field of construction engineering worldwide, as a result of the large and rapid increase in carbon emissions and environmental pr…

Statistical mixture design for carbide residue activated blast furnace slag foamed lightweight concrete Open

Hongzhi Zhang, Yanchen He, Chuan Wang, Yanhua Guan, Zhi Ge , et al. · 2022

Advances in Sustainable Concrete System Open

Yifeng Ling, Chuanqing Fu, Peng Zhang, Peter Taylor · 2022

In recent years, the implementation of a sustainable concrete system has been a great topic of interest in the field of construction engineering worldwide as a result of the large and rapid increase in carbon emissions and environmental pr…

Fatigue life and cracking characterization of engineered cementitious composites (ECC) under flexural cyclic load Open

Renjuan Sun, Lebing Han, Hongzhi Zhang, Zhi Ge, Yanhua Guan , et al. · 2022

Impact of Intrinsic Properties and Interface Contacts on Thermoelectric Transient Supercooling Open

Yifeng Ling, Guojuan Qiu, Duo Liu, Erbiao Min, Jianghe Feng , et al. · 2022

Statistical Mixture Design for Carbide Residue Activated Blast Furnace Slag Foamed Lightweight Concrete Open

Hongzhi Zhang, Yanchen He, Yanhua Guan, Chuan Wang, Zhi Ge , et al. · 2022

A Feasibility Study of Low Cement Content Foamed Concrete Using High Volume of Waste Lime Mud and Fly Ash for Road Embankment Open

Zhanchen Li, Huaqiang Yuan, Faliang Gao, Hongzhi Zhang, Zhi Ge , et al. · 2021

This paper aims to study the feasibility of low cement content foamed concrete using waste lime mud (LM) and fly ash (FA) as mineral additives. The LM/FA ratio was first optimized based on the compressive strength. Isothermal calorimetry t…

Effect of Nano Silica Particles on Impact Resistance and Durability of Concrete Containing Coal Fly Ash Open

Peng Zhang, Dehao Sha, Qingfu Li, Shikun Zhao, Yifeng Ling · 2021

In this study, the effect of adding nano-silica (NS) particles on the properties of concrete containing coal fly ash were explored, including the mechanical properties, impact resistance, chloride penetration resistance, and freezing–thawi…

Acoustic Emission Study on the Damage Evolution of a Corroded Reinforced Concrete Column under Axial Loads Open

Ye Chen, Shuang Zhu, Shenghua Ye, Yifeng Ling, Dan Wu , et al. · 2021

In this paper, the damage of a reinforced concrete (RC) column with various levels of reinforcement corrosion under axial loads is characterized using the acoustic emission (AE) technique. Based on the AE rate process theory, a modified da…

Investigation on Numerical Simulation of Chloride Transport in Unsaturated Concrete Open

Qingzhang Zhang, Feng Wang, Yifeng Ling, Hui Chen, Zhongyuan Li · 2021

Marine atmosphere environment accelerates the process of chloride penetration into concrete under the coupling effect of ambient temperature and relative humidity, thereby reducing the durability and service life of concrete. This paper ai…

Mechanical and fracture properties of steel fiber-reinforced geopolymer concrete Open

Peng Zhang, Jia Wang, Qingfu Li, Jinyi Wan, Yifeng Ling · 2021

In this study, the effects of steel fibers on the mechanical properties of the geopolymer concrete – compressive, splitting tensile, and flexural strength; compressive elastic modulus; and fracture properties – were evaluated. Milling stee…

Influence of Temperature on the Moisture Transport in Concrete Open

Qingzhang Zhang, Zihan Kang, Yifeng Ling, Hui Chen, Kangzong Li · 2020

Moisture with harmful ions penetrates into the interior of concrete, which causes deterioration of the concrete structure. In this study, a moisture saturation equilibrium relationship of concrete was tested under different temperatures an…

Fracture Models and Effect of Fibers on Fracture Properties of Cementitious Composites—A Review Open

Peng Zhang, Yonghui Yang, Juan Wang, Meiju Jiao, Yifeng Ling · 2020

Cementitious composites have good ductility and pseudo-crack control. However, in practical applications of these composites, the external load and environmental erosion eventually form a large crack in the matrix, resulting in matrix frac…

Mechanical Properties and Durability of Polypropylene and Steel Fiber-Reinforced Recycled Aggregates Concrete (FRRAC): A Review Open

Peng Zhang, Yonghui Yang, Juan Wang, Shaowei Hu, Meiju Jiao , et al. · 2020

With the development of concrete engineering, a large amount of construction, demolition, excavation waste (CDEW) has been produced. The treated CDEW can be used as recycled aggregate to replace natural aggregate, which can not only reduce…

Durability Assessment of PVA Fiber-Reinforced Cementitious Composite Containing Nano-SiO2 Using Adaptive Neuro-Fuzzy Inference System Open

Tingyu Liu, Peng Zhang, Qingfu Li, Shaowei Hu, Yifeng Ling · 2020

In this study, the durability of polyvinyl alcohol fiber-reinforced cementitious composite containing nano-SiO2 was evaluated using the adaptive neuro-fuzzy inference system (ANFIS). According to the structural characteristics of the cemen…

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