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Showing papers in "Construction and Building Materials in 2021"


Journal ArticleDOI
TL;DR: In this article, the authors reviewed the clean production, factors affecting the durability of FA-GPC, and the human health and environmental impacts of FA disposal, and also provided a critical review on the long-term durability properties and the behavior of FAGPC composites, in addition to synopsize the research development trends.

199 citations


Journal ArticleDOI
TL;DR: The water-to-cement ratio and silica fume content were the most influential factors in the prediction of compressive strength of SFRC, whereas the silicafume and fiber volume fraction most strongly influenced the flexural strength.

140 citations


Journal ArticleDOI
TL;DR: The findings revealed that ANN can be an effective tool to identify the discrepancies in the experimental findings, and would be particularly useful for evaluating the chloride resistance of RC structures serving in complex or harsh environment.

135 citations


Journal ArticleDOI
TL;DR: In this paper, the influence of steam curing on mechanical as well as microscopic performances of metakaolin (MK) contained UHPC matrix was investigated at various steam curing regimes with variable curing temperatures and durations.

133 citations


Journal ArticleDOI
TL;DR: In this article, the effect of using nano cotton stalk ash (NCSA) and palm leaf ash (PLA) as partial replacements to cement in ultra-high performance concrete (UHPC) was investigated.

133 citations


Journal ArticleDOI
TL;DR: In this article, the effect of silica fume (SF) content, varying between 0 and 12%, by mass of binder, on hydration heat, hydration products and pore structure of LHP cement-based materials were investigated by isothermal calorimetry, thermal analysis, and mercury intrusion porosimetry (MIP), respectively.

130 citations


Journal ArticleDOI
TL;DR: The comparative studies reveal that, for this particular prediction problem, the trained models based on GBR and XGBoost perform better than those of SVR and MLP.

129 citations


Journal ArticleDOI
TL;DR: In this paper, the authors investigated employing recycled concrete aggregate (RCA) and pozzolanic additives as a partial replacement (PR) of natural coarse aggregate (NCA), and Portland cement, respectively.

126 citations


Journal ArticleDOI
TL;DR: In this article, the authors investigated the influence of polypropylene (PP), polyvinyl alcohol (PVA) and polyacrylonitrile (PAN) fiber with two lengths (10mm and 20mm) on workability, strength, shrinkage behavior, cracking resistance and durability performance of face slab concrete.

113 citations


Journal ArticleDOI
TL;DR: In this article, steel slag usage in the cement and concrete industry and its environmental effects were examined, and the benefits of both economic and ecological balance were examined. And opinions and recommendations were presented.

109 citations


Journal ArticleDOI
TL;DR: In this article, the effect of mix proportioning on fresh, hardened and durability properties of fly ash and fly ash-slag geopolymer mortar is discussed. But, the main focus of this paper is on the quality of the mortar.

Journal ArticleDOI
TL;DR: This study includes the collection of data from the experimental work and the application of ML techniques to predict the CS of concrete containing fly ash, and shows high accuracy towards the prediction of outcome as indicated by its high coefficient correlation (R2) value.

Journal ArticleDOI
TL;DR: In this article, the effect of seven different types of nano rice husk ash (NRHA) on the mechanical, ultrasonic pulse velocity, and durability of ultra-high-performance concrete (UHPC), whereby two different scenarios were applied.

Journal ArticleDOI
TL;DR: The results show that 3DPC needs to meet the printability that it has higher requirements for rheology, hydration, and green strength than normal concrete, and the interlayer bond is the key to study the anisotropic strength and durability degradation.

Journal ArticleDOI
TL;DR: In this article, the authors provide an up-to-date review on corrosion mechanisms and recent advances in electrical methods for corrosion monitoring, and propose a half-cell potential technique with potential mapping for locating areas with a high corrosion risk.

Journal ArticleDOI
TL;DR: This study proposes an effective method to automatically perform the recognition and location of concealed cracks based on 3-D ground penetrating radar (GPR) and deep learning models and results reveal that this proposed method is feasible for the detection of hidden cracks.

Journal ArticleDOI
TL;DR: In this article, a novel structural-functional integrated concrete (MPCM-UHPC) with excellent mechanical properties and thermal storage capacity was developed by incorporating microencapsulated phase change material (mPCM) into ultra-high performance concrete.

Journal ArticleDOI
TL;DR: In this paper, the effects of nano-silica on the mechanical properties, durability parameters, and microstructural characteristics of concrete were studied. But the authors focused on the effect of nano silica in concrete.

Journal ArticleDOI
TL;DR: In this article, the authors reviewed the source, clean production and chemical compositions of ground granulated blast-furnace slag (GGBFS) and AAS-based concrete composites.

Journal ArticleDOI
TL;DR: In this paper, the pore size distributions of pervious concrete and its permeability reduction behavior are studied by laboratory tests, and the extent of the reduction in permeability is addressed by designing the penetration test for 21 groups of perviously concrete mixes with varying aggregate gradations and specimen thickness.

Journal ArticleDOI
TL;DR: In this paper, the authors provide a comprehensive review of the sulfate attack performance of fly ash, slag, silica fume, and metakaolin and assess the reduction in expansion of SCM and OPC blends with a range of replacement rates compared to an OPC control.

Journal ArticleDOI
TL;DR: In this article, the authors investigated the effect of glass fiber and polypropylene fiber on the mechanical and microstructural properties of concrete as a function of the water/binder ratio and fiber content.

Journal ArticleDOI
TL;DR: In this paper, a modified method of incorporating biochar (BC) particles into pervious concrete as hygroscopic filler was introduced to prolong its evaporative cooling effect, which significantly reduced the albedo.

Journal ArticleDOI
Keyu Chen1, Dazhi Wu1, Linling Xia1, Qimao Cai1, Zhenying Zhang1 
TL;DR: In this article, the authors reviewed the recent researches on geopolymer concrete exposed to carbonation, acid corrosion, sulfate solution, heat temperature, and chloride penetration comparison with OPC concrete.

Journal ArticleDOI
TL;DR: In this paper, the carbonation mechanism, CO 2 curing technology, as well as the effects of accelerated carbonation on the microstructure, mechanical properties and durability of CBM in detail.

Journal ArticleDOI
TL;DR: In this article, a novel derivative epoxy polymer such as 2,4,6-tris(4-(2-(4-(methoxy oxiran) phenyl) propan-2-yl) phenoxy)-1,3,5-triazine (EPT) was developed as investigated anticorrosive performance for carbon steel (CS) in [1M] HCl medium.

Journal ArticleDOI
TL;DR: In this paper, the incorporation of red mud in asphalt mastics was found to be able to improve its stiffness, such as softening point, complex modulus, and viscosity.

Journal ArticleDOI
TL;DR: In this paper, a review of the use of fly ash and slag as mine paste backfill material has been provided, where the effect of alternative binders, such as fly ash, superplasticizer, admixture, and fibre reinforcement are comprehensively reviewed.

Journal ArticleDOI
TL;DR: In this paper, the application of geopolymer tiles in conditions of high temperature and saturation was evaluated in order to understand how fires and rains modify the performance of these materials, and the results showed that due to the non-formation of polysialate networks in an effective way, formulations 3.50 and 4.00 showed a high drop in properties, differently from formulations 2.25, 2.50, and 3.00.

Journal ArticleDOI
TL;DR: In this paper, the authors investigated the mechanical and durability performance of warm mix asphalt (WMA) mixtures containing 0% and 50% reclaimed asphalt pavement (RAP) made with different types of WMA additives including Sasobit®, Kaowax®, Zeolite®, and PAWMA®.