Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Concrete》 2005-11
Add to Favorite Get Latest Update

Research on rapid testing method for gas diffusion coefficient of concrete

LIU Zhi-yong~(1,2),SUN Wei~2,ZHOU Xin-gang~1(1.YanTai University,Yantai 264005,Shandong,China;2.Southeast University,Nanjing 210096,Jiangsu,China)  
On the basis of studying gas transfers mechanism into porous medium materials,a calculation formula of gas effective diffusion coefficient of concrete based on pressure gradient is deduced according to the relative theory,and a new rapid testing method for gas penetrability of high performance concrete and old concrete with higher pressure gradient is developed.Making use of the relationship model between the gas effective diffusion coefficient of concrete and the gas diffusion coefficient in straight capillary pore,the calculation formula of pore tortuosity factor in concrete is established.
【Fund】: 国家自然科学基金资助项目(59938170)
【CateGory Index】: TU528
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
【References】
Chinese Journal Full-text Database 1 Hits
1 Geng Ou Yuan Yingshu Zhu Hui Li Fumin (School of Architecture and Civil Engineering, China University of Mining and Technology, Xuzhou 221008, China);Experimental study on diffusion coefficient of oxygen in concrete[J];Journal of Southeast University(Natural Science Edition);2006-S2
China Proceedings of conference Full-text Database 1 Hits
1 Geng Ou Yuan Yingshu Zhu Hui Li Fumin (School of Architecture and Civil Engineering, China University of Mining and Technology, Xuzhou 221008, China);Experimental study on diffusion coefficient of oxygen in concrete[A];[C];2006
【Citations】
Chinese Journal Full-text Database 1 Hits
1 LIU Zhi-yong~1,SUN Wei~2 (1.South East University,Nanjing Jiangsu 210096,China;2.Yan Tai Univeristy,Yantai Shandong 264000,China);Modeling carbonation for corrosion risk service life prediction of concrete under combined action of durability factors[J];Concrete;2003-12
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Fang Dequen 1\ Song Yan 1\ Zeng Fangang 2\ Wang Guanyu 2 1(Research Institute of Petroleum Exploration and Development,CNPC,Beijing\ 100083) 2(Geology Department of Peking University,Beijing\ 100871);The Diffusion Model and Computation Method of Diffusion Quantification for Natural Gas[J];ACTA SEDIMENTOLOGICA SINICA;1998-03
2 Xiao Xingguo,Ma Zhi,Lu Jianhua;Kinetics of Magnetite Pellets in Drying Process[J];;1990-04
3 LONG Feng-le~1, ZHENG Wen-jun~2, CHEN Chang-feng~3, XU Zhen-qing~1, HAN Qing~1 (1. Technology Inspection Center of ShengLi Oil Field, Dongying 257000; 2. Safety & Environmental Protection Department of ShengLi Oil Field, Dongying 257000, China; 3. Beijing University of Petroleum, Beijing 102249, China);INFLUENCE OF TEMPERATURE,CO_2 PARTIAL PRESSURE, FLOW RATE AND pH VALUE ON UNIFORM CORROSION RATE OF X65 PIPELINE STEEL[J];Corrosion & Protection;2005-07
4 WANG Xian-fang1,CHEN Chang-feng1,BAI Zhen-quan2,CHANG Wei3,LU Min-xu4(1.University of Petroleum,Beijing 102249,China;2.The Key Laboratory for Mechanical and Environmental Behavior of Tubular Goods,CNPC,Xi′an 710065,China;3.Research Center of CNOOC,Beijing 100035,China;4.University of Science and Technology Beijing,Beijing 100083,China);Semi-empirical Model for Prediction of CO_2 Corrosion Rate[J];Corrosion & Protection;2009-02
5 XIAO Yunhan CAI Ruixian LIN Rumou (Institute of Engineering Thermophysics,Academia Sinica,Beijing 10O080);GLOBALLY THERMODYNAMIC MODEL AND ASSESSMENT OF HAT CYCLE[J];JOURNAL OF ENGINEERING THERMOPHYSICS;1996-03
6 Yu Boming Zou Liujuan Shi Dufang Wen Peng(Huazhong University of Science and Technology)Zhang Yizhong Meng Hua (Suzhou 1st Wool Textile Works);Mathematical Models of the Dyeing Machine and Computer Simulations[J];Journal of Chemical Engineering of Chinese Universities;1989-03
7 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
8 Liu Zhiyong Lü Yonggao Zhou Xingang(Yantai University Yantai 264005) Sun Wei(Southeast University Nanjing 210096);RESEARCH ON [Cl~-]/[OH~-] THRESHOLD VALUES TO DEPASSIVATE REINFORCING BARS EMBEDDED IN CHLORIDE CONTAMINATED CONCRETE AND CARBONATION SERVICE LIFE PREDICATION[J];Industrial Construction;2005-10
9 SUN Yu-chai (College of Textile and Garment,Hebei University of Science and Technology,Shijiazhuang Hebei 050031,China);Theoretical Research about Thermal Comfort through Body-clothing-environment System[J];Journal of Hebei University of Science and Technology;2003-04
10 Wang Shaoting and Zhang Guoliang Gu Hanqing Institute of Biomedical Engineering,Tianjin University, Tianjin Institute of Urological Surgery, Tianjin;Effect of Ultrafiltration on Mass Transfer Characteristics of Hemodialysis[J];Journal of Chemical Industry and Engineering(China);1990-04
【Co-references】
Chinese Journal Full-text Database 3 Hits
1 Zhang Yu Jiang Lixue (Tongji University 200092);A PRACTICAL MATHEMATICAL MODEL OF CONCRETE CARBONATION DEPTH BASED ON THE MECHANISM[J];INDUSTRIAL CONSTRUCTION;1998-01
2 Shi Huisheng (College of Materials Science and Engineering, Tongji University, Shanghai,200092) U. Ludwig (Institute of Mineral Metallurgy, Aachen University of Technology, 52064 Aachen, Germany);Research on the Permeability of Mortar by Measuring the Oxygen Diffusion[J];JOURNAL OF BUILDING MATERIALS;1998-03
3 Niu Ditao; Wang Linke; Wang Qinglin(Dept. of Cons. Eng., Xi'an Univ. of Arch. & Tech., Xi'an, 710055);Determination of oxygen diffusivity in concrete[J];JOURNAL OF XI'AN UNIVERSITY OF ARCHITECTURE &TECHNOLOGY;1996-01
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved