url: =Hydration rate of fly ash and probability of poor lime phenomena in concrete of the Three Gorges Project--《Journal of Hydraulic Engineering》2002年08期\n《Journal of Hydraulic Engineering》 2002-08\nHydration rate of fly ash and probability of poor lime phenomena in concrete of the Three Gorges Project\nCHEN Yi min 1, ZHANG Hong tao 1, LIN Zhen 1 (1 China Building Materials Academy, Beijing 100024,China)\nThe relationships between hydration rate, hydration extent, hydration product of the fly ash adopted in the Three Gorges Project and its replaced amount in the concretet are studied by means of selective solution method, wet chemical analysis, X ray diffraction and Thermal gravity method. The cement to be used is a kind of medium heat Portland cement. The result shows that the hydration extent reduces as the amount of fly ash increases, but the amount of the hydration product will increase. In the process of hydration, CaO, MgO and Fe 2O 3 in fly ash enter the hydration products more quickly than SiO 2 and Al 2O 3. But the amounts of SiO 3 and Al 2O 3 entering the products are much more than CaO, MgO and Fe 2O 3, since their contents in the cement fly ash system are great. It is noticed that the amount of SiO 2 entering the hydration products increases steadily. The amount of Ca(OH) 2 will decrease 1/3 if the amount of fly ash increases by 10%. It is suggested that, the replaced amount of fly ash must not exceed the limit of 50%, to prevent from the happening o fpoor lime phenomena.\n【Fund】： 国家自然科学基金委员会和中国长江三峡工程开发总公司联合资助项目 (5 9493 60 0 );; 国家建材局资助建材行业应用基础研究项目 (96 J 0 5 )\n【CateGory Index】： TV431\n1 Zheng Keren Sun Wei Jia Yantao Guo Liping (Department of Materials Science and Engineering,Southeast University,Nanjing 210096,China);Method to determine reaction degrees of constituents in hydrating ternary blends composed of BFS,FA and Portland cement[J];Journal of Southeast University (Natural Science Edition);2004-03\n2 YAN Peiyu (School of Civil Engineering,Tsinghua University,Beijing 100084,China);MECHANISM OF FLY ASH'S EFFECTS DURING HYDRATION PROCESS OF COMPOSITE BINDER[J];Journal of the Chinese Ceramic Society;2007-S1\n3 HUANG Xin,LI Zhan-guo,NIU Chen-liang(Department of Civil Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China);Preliminary Study on Preparation of Expansive Agents Using Industrial Wastes[J];Journal of Building Materials;2009-04\n4 Niu Chenliang, Li Zhanguo, Huang Xin (Beijing University of Aeronautics and Astronautics Traffic Science and Engineering Institute Department of Civil Engineering, Beijing 100083);The experimental research on expansive agent for concrete prepared by fly ash and phosphogypsum[J];Ready-Mixed Concrete;2008-05\n5 DONG Gang, CHEN Zhi-cheng, CHEN Yi-min China Building Materials Academy, Beijing 100024, China;Influence of specific surface area and amount of addition of fly ash on its reactivity[J];Cement;2008-07\n6 FENG Qing-ge1,YANG Yi1,YANG Lv-feng1,CHEN Zheng1,ZHU Hui-ying2(1.Key Laboratory of Disaster Prevention and Structural Safety,School of Environment,Guangxi University,Nanning 530004,China;2.Guangxi Building Materials Academy,Nanning 530011,China);Durability of High Volume Fly Ash Concrete with Low Water Binder[J];Journal of Wuhan University of Technology;2009-04\n7 CHEN Hu-xing(Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027,China);Poor calcium problem of moderate heat portland cement-fly ash system[J];Journal of Zhejiang University(Engineering Science);2006-09\n8 QIAN Liang-gen, SHEN Xi-hua, ZHANG Lei;Mass Concrete Construction Technology of the Foundation of the Kaidi International Center in Winter[J];Zhejiang Construction;2008-10\n1 Chen Hu-xing (Zhejiang University. Hanzhou 310027, China);"Poor Calcium" Question of Moderate Heat Portland Cement-Fly Ash System[A];[C];2005\n2 YAN Peiyu (School of Civil Engineering,Tsinghua University,Beijing 100084,China);MECHANISM OF FLY ASH'S EFFECTS DURING HYDRATION PROCESS OF COMPOSITE BINDER[A];[C];2007\n3 Niu Chenliang Li Zhanguo Huang Xin (Beijing University of Aeronautics and Astronautics Traffic Science and Engineering Institute Department of Civil Engineering,Beijing 100083);The Experimental Research on Expansive Agent for Concrete Prepared by Fly Ash and Phosphogypsum[A];[C];2008\n4 FENG Qingge~1,Yang Yi~1,YANG Lvfeng~1,CHEN Zheng~1,ZHU Huiying~2 (1.Key Laboratory of Disaster Prevention and Structural Safety,School of Environment,Guangxi University,Nanning 530004,China 2.Guangxi Building Materials Academy,Nanning 530022,China);The Durability of High Volume Fly Ash Concrete With Low Water Binder[A];[C];2008\n1 Chen Yimin Zhang Hongtao Lin Zhen Fan Jiajun (China Building Materials Academy,Beijing,100024) 〔;Research on Durability of the Three Gorge Dam Concrete[J];CONCRETE;2000-07\n1 YANG Hua quan,CHEN Ru hua,WANG Zhong hua (Yangtze River Scientific Research Institute,Wuhan 430010,China);Mix design of concrete for Three Gorges Project[J];Journal of Yangtze River Scientific Research Institute;2001-05\n2 Chen Yimin, Li Zhen, Zhang Hongtao (China Building Materials Academy, Beijing 100024);PROBLEMS ON MATERIAL SCIENCE ABOUT HIGH PERFORMANCE FOR DAM CONCRETE[J];Journal of The Chinese Ceramic Society;2000-S1\n3 XING Shi-hai (Civil Engineering Dept.Heilongjiang Institute of Science and Technology,Harbin 150027,Heilongjiang,China);Research and application of the durability of super fly ash concrete[J];Concrete;2004-07\n4 XING Shi-hai,DONG Meng-chen,YE Cheng-jie,ZHAO Jian(Heilongjiang Institute of Science and Technology,Harbin Heilongjiang 150027,china);Study on the experiment of double-mixed highly fluidity concrete's capability of carbonation resistance[J];Applied Energy Technology;2008-11\n2 Zhang Yunsheng~1 Sun Wei~1 Zheng Keren~1 Jia Yantao~2(~1Department of Materials Science and Engineering,Southeast University,Nanjing 210096,China)(~2Department of Materials Science and Engineering,Hohai University,Nanjing 210016,China);Hydration process of Portland cement-fly ash pastes[J];Journal of Southeast University(Natural Science Edition);2006-01\n3 Zhao Tiejun\_ Zhu Jinquan\_ Feng Naiqian (Department of Civil Engineering, Tsinghua University);Effect of Large Amount of Fly Ash on Permeability of Concrete[J];FLY ASH COMPREHENSIVE UTILIZATION;1997-01\n4 Wu Zhongwei;High Technique Concrete[J];Bulletin of the Chinese Ceramic Society;1994-01\n5 Shen Dan-shen;Zhang Yin-ji Shanghai Institute of Building Science;A STUDY OF THE EFFECTS OF FLY ASH[J];Journal of The Chinese Ceramic Society;1981-01\n6 Sun Bao-zhen;Jia Chuan-jiu;Shui Cui-juan Henan Building Engineering Material Science Institute;THE PARTICLE MORPHOLOGY OF PULVERISED FLY ASH(PFA) AND ITS PHYSICAL PROPERTIES[J];Journal of The Chinese Ceramic Society;1982-01\n7 Huang Shiyuan (Shanghai Institute of Building Materials) Li Zhihua Cheng Jiping (Wuhan Technology University);KINETICS OF REACTION IN THE SYSTEM FLY ASH-Ca(OH)_2-H_2O[J];Journal of The Chinese Ceramic Society;1986-02\n8 Gao Qiongying Pan Guoyao (Wuhan University of Technology);RESEARCH ON DEHYDRATION OF ACTIVATED COAL GANGUE PASTES AND REHYDRATION OF DEHYDRATED PHASES[J];Journal of The Chinese Ceramic Society;1991-04\n9 Shen Danshen Qu Qiuyun(Shanghai Research Institute of Building Sciences);METHODIZATION FOR ORDERED PHYSICAL PARAMETERS OF FLYASH[J];Journal of The Chinese Ceramic Society;1992-04\n10 Gao Qiongying Pan Guoyao Mao Ruoqing Zhang Huiling (Wuhan University of Technology);RESEARCH ON A NEW TYPE OF CEMENT CALCINED AT LOW TEMPERATURE[J];Journal of The Chinese Ceramic Society;1993-04\n1 GU Bingwei1,2,WANG Peiming2(1 Department of Civil Engineering,Huaihai Institute of Technology,Lianyungang 222005;2 Key Laboratory ofAdvanced Civil Engineering Materials of Ministry of Education,Tongji University,Shanghai 200092);Research on Interaction between Coal Gangue and Cement in Thermal Activated Coal Gangue-Cement System[J];Materials Review;2008-07\n2 LUO Zhongtao1,MA Baoguo1,LI Xiangguo1,WANG Xingang2,WANG Yingbin1(1 Key Laboratory for Silicate Materials Science&Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070;2 School of Civil Engineering and Architecture,Nanchang University,Nanchang 330031);Analysis on Evaluation Methods of Activity of Inorganic Cementitious Materials with Silicon-Aluminum Character[J];Materials Review;2009-01\n3 ZENG Yang-chun1,ZHENG Ke-ren2,LI Yi-jin2(1.The Highway Bureau of Shunde District,Foshan City,Foshan 528000,China;2.School of Civil and Architectural Engineering,Central South University,Changsha 410075,China);Effects of mineral admixtures on wear resistant ability of concrete and mechanism[J];Journal of Railway Science and Engineering;2007-02\n4 ZHAO Qingxin~(1,2), SUN Wei~1, ZHENG Keren~(1), JIANG Guoqing~(1)(1. Department of Materials Science and Engineering, Southeast University, Nanjing 210096, 2. College of Civil Engineering and Mechanics, Yanshan University, Qinhuangdao 066004, Hebei, China);COMPARISON FOR ELASTIC MODULUS OF CEMENT, GROUND GRANULATED BLAST-FURNACE SLAG AND FLY ASH PARTICLES[J];Journal of The Chinese Ceramic Society;2005-07\n5 LIU Zhiyong1,2,SUN Wei1 (1.School of Materials Science and Engineering,Southeast University,Nanjing 210096;2.School of Civil Engineering,Yantai University,Yantai 264005,Shandong,China);THEORETICAL CARBONATION MODEL RELATED WITH PORE SOLUTION pH VALUE FOR STEEL BAR DEPASSIVATION IN CONCRETE[J];Journal of the Chinese Ceramic Society;2007-07\n6 YAN Peiyu (School of Civil Engineering,Tsinghua University,Beijing 100084,China);MECHANISM OF FLY ASH'S EFFECTS DURING HYDRATION PROCESS OF COMPOSITE BINDER[J];Journal of the Chinese Ceramic Society;2007-S1\n7 CHEN Wei 1,BROUWERS H J H2,WANG Gui-ming 1,SHUI Zhong-he 1(1.School of Materials Science,Wuhan University of Technology,Wuhan 430070,China; 2.Department of Civil Engineering,University of Twente,Enschede 7500AE,The Netherlands);Computer modelling of alkalinity in pore solution of cement based materials[J];Concrete;2008-06\n8 WANG Qiang 1,BAO Li-nan 2,YAN Pei-yu 1(1.Key Laboratory of Structural Engineering and Vibration of Education Ministry,Department of Civil Engineering,Tsinghua University,Beijing 100084,China;2.Tianjin City Investment Construction Company,Tianjin 300010,China);Research progress on converter steel slag applied for concrete[J];Concrete;2009-02\n9 ZHENG Keren SUN Wei JIA Yantao ZHANG Yunsheng ZHANG Yang;APPROACHES TO THE APPROPRIATE ADMIXTURE OF SLAG BASED ON HYDRATION OF SLAG CEMENT SYSTEM[J];Architecture Technology;2005-01\n10 HAN Jian-guo1,ZHANG Run1,HAO Wei-zeng2(1.Department of Civil Engineering,Tsinghua University,Beijing 100084,China;2.Henan Hongqiqu Construction Group Co.,Ltd.,Zhengzhou 450000,China);Influence of water-binder ratio and fly ash on the adiabatic temperature rise of concrete[J];Concrete;2009-10\n1 YAN Peiyu (School of Civil Engineering,Tsinghua University,Beijing 100084,China);MECHANISM OF FLY ASH'S EFFECTS DURING HYDRATION PROCESS OF COMPOSITE BINDER[A];[C];2007\n> Inner Mongolian Environmental Sciences


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url: =Spinning internship summarize the mimeographed(Chinese Edition)(Old-Used) da PING YUAN SHENG GONG YE XUE XIAO FANG ER BAN: paperback - liu xing\nPING YUAN SHENG GONG YE XUE XIAO FANG ER BAN\nSpinning internship summarize the mimeographed(Chinese Edition)(...\nSpinning internship summarize the mimeographed(Chinese Edition)(Old-Used)\nShip out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Spinning internship summarize the mimeographedFour Satisfaction guaranteed,or money back. Codice inventario libreria EI040522\nTitolo: Spinning internship summarize the ...