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Interpretable Machine Learning Method for Compressive Strength Prediction and Analysis of Pure Fly Ash-based Geopolymer Concrete: 《Journal of Wuhan University of Technology(Materials Science)》2025年第1期65-78,共14页SHI Yuqiong LI Jingyi ZHANG Yang LI Li; Funded by the Natural Science Foundation of China(No.52109168)。; In order to study the characteristics of pure fly ash-based geopolymer concrete(PFGC)conveniently,we used a machine learning method that can quantify the perception of characteristics to predict its compressive streng...; 关键词：machine learning pure fly ash geopolymer compressive strength feature perception

Microstructure Evolution and Mechanism of Strength Development of Fly Ash Paste: 《Journal of Wuhan University of Technology(Materials Science)》2025年第1期152-163,共12页MA Shuzhao WU Shunchuan HUANG Mingqing CHENG Haiyong JIANG Guanzhao NIU Yonghui LIU Zemin SUN Wei; Supported by Yunnan Major Scientific and Technological Projects(No.202403AA080001);National Natural Science Foundation of China(No.52074137);Yunnan Fundamental Research Projects(No.202201AT070151)。; Three types of activators such as sodium hydroxide,calcium oxide and triethanolamine(TEA)are used to establish different activation environments to address the problems associated with the process of activating fly as...; 关键词：paste filling fly ash ACTIVATOR unconfined compressive strength MICROSTRUCTURE hydration simulation

Effect of Na_(2)CO_(3)Roasting Activation on Acid Leaching Property of Fly Ash: 《Journal of Wuhan University of Technology(Materials Science)》2024年第6期1613-1620,共8页LIU Chenjia ZHAO Aichun YE Xin ZHAO Zi ZHANG Tingan YANG Xiaorong QIN Yanmei; Funded by the National Natural Science Foundation of China(No.U1710257);the Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi(No.2019L0656);the Doctoral Research Foundation of Taiyuan University of Science and Technology,China(No.20142001);the Open Foundation Program of Key Laboratory for Ecological Metallurgy of Multimetallic Mineral,Ministry of Education,China(No.2020003);the Supported by Fundamental Research Program of Shanxi Province,China(No.202103021224281)。; By using high-alumina fly ash as raw material,a process was proposed for activating the fly ash with Na_(2)CO_(3)calcination and extracting aluminum from activated clinker with sulfuric acid leaching.The feasibility o...; 关键词：fly ash calcination activation acid leaching ALUMINUM

Effect of Partial Replacement of Fly Ash by Decoration Waste Powder on the Fresh and Mechanical Properties of Geopolymer Masonry Mortar: 《Journal of Wuhan University of Technology(Materials Science)》2024年第3期698-704,共7页刘惠 ZHANG Ruidong 朱平华 WANG Xinjie CHEN Chunhong; Funded by the National Natural Science Foundation of China(No.52008046);Young Elite Scientists Sponsorship Program from JSAST(No.TJ-2023-024);Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX21_2848)。; This study aims to investigate the feasibility of using decoration waste powder(DWP)as a partial replacement for fly ash(FA)in the preparation of geopolymer masonry mortar,and to examine the effect of different DWP re...; 关键词：fly ash-based geopolymer decoration waste powder masonry mortar WORKABILITY compressive strength

Effect of Curing Age on Tensile Properties of Fly Ash Based Engineered Geopolymer Composites(FA-EGC)by Uniaxial Tensile Test and Ultrasonic Pulse Velocity Method: 《Journal of Wuhan University of Technology(Materials Science)》2023年第6期1319-1325,共7页GUO Xiaolu LI Shuyue; Funded by the National Natural Science Foundation of China(Nos.52178241 and 52242807);the Fundamental Research Funds for the Central Universities(No.64522120220599 and 2023-2-YB-20);the National Key Research and Development Program of China during the Fourteenth Five-Year Plan Period(Nos.2021YFB3802001 and 2019YFE0112600)。; Tensile properties of fly ash based engineered geopolymer composites(FA-EGC)at different curing ages were studied by uniaxial tensile test and ultrasonic pulse velocity(UPV)methods,which included uniaxial tensile prop...; 关键词：engineered geopolymer composites(EGC) tensile properties ultrasonic pulse velocity(UPV) characteristic parameters of microcracks

Preparation of Hydrophobic Fly Ash by Surface Modification and Oil-water Separation Devices: 《Journal of Wuhan University of Technology(Materials Science)》2023年第3期695-700,共6页于阳剑刘鹏 WANG Fazhou HU Chuanlin; Hubei Technology Innovation Key Program (No.2018AAA004)。; A simple and effective superhydrophobic mesh was designed and made to separate oil-water mixture. Alkali-activated fly ash reacted with 1-bromooctadecane to prepare superhydrophobic modified fly ash (MFA) with low sur...; 关键词：oil-water separation superhydrophobic stainless steel mesh Williamson ether synthesis

A Study on the Effect of Low Calcium Ultra-fine Fly Ash as a Partial Sustainable Supplementary Material to Cement in Self-compacting Concrete被引量：2: 《Journal of Wuhan University of Technology(Materials Science)》2023年第2期330-341,共12页Adapala Sunny Suprakash Karthiyaini S; The aim and scope of the present study were to determine the efficacy of UFFA in evaluating the workability,static and dynamic stabilization properties,retention period,and slump loss of SCC systems in their fresh sta...; 关键词：ultra fine fly ash self-compacting concrete WORKABILITY SEGREGATION compressive strength microstructure TGA

Investigation of the Effect of Using Different Fly Ash on the Mechanical Properties in Cemented Paste Backfill被引量：3: 《Journal of Wuhan University of Technology(Materials Science)》2022年第4期620-627,共8页Tuylu S; In the cemented paste backfill(CPB)method,which can also be used for fortification purposes in mines,different additive materials with pozzolanic properties can be employed as substitutes instead of cement that is the...; 关键词：tailings disposal cemented paste backfill fly ash chemical properties STRENGTH

Experimental Study on Urease Activity and Cementation Characteristics of Soybean被引量：1: 《Journal of Wuhan University of Technology(Materials Science)》2022年第4期636-644,共9页FAN Yanan DU Hongxiu WEI Hong ZHAO Teng; Funded by the National Natural Science Foundation of China(No.51478290);the Key R&D Projects of Shanxi Province(No.201903D321113)。; A new and more ecologically sound cementing material known as“bio-cement”has been found to have the capacity to consolidate loose gravel into sand columns offering a certain degree of strength,and to fill and repair...; 关键词：soybean urease bio-cement concrete fly ash nickel ions calcite crystals high-temperature damage

Effects of Organosilane-modified PCE on the Fluidity and Hydration Properties of Cement-Fly Ash Composite Binder被引量：2: 《Journal of Wuhan University of Technology(Materials Science)》2020年第6期1081-1089,共9页HE Yan LIU Shuhua JI Tao KONG Yaning SHUI Liangliang; Funded by the Natural Science Foundation of China(51808369);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(18KJB560016);the Opening Project of State Key Laboratory of Green Building Materials(YA-615);the State Key Laboratory of Silicate Building Materials(SYSJJ2018-09);Hubei Key Laboratory of Water System Science for Sponge City Construction(2019-01);the Construction System Science and Technology Project of Jiangsu Province(2018ZD049);the Natural Science Foundation of Suzhou University of Science and Technology(XKQ2018009)。; Effects of organosilane-modified PCE (OS-PCE) on the fluidity and the hydration properties of cement-fly ash (FA) composite binder were systematically analyzed.The experimental results show that OS-PCE possesses respe...; 关键词：cement fly ash organosilane-modified PCE FLUIDITY hydration properties

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