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Activation Energy of Alkali-Silica Reaction in CFBC Fly Ash Geopolymer Mortars CHANG-Seon Shon1,a and DONGOUN Lee 2,b,* 1Assistant Professor, Department of Civil Engineering, Nazarbayev University, 53, Kabanbay Batyr Ave., Astana, Kazakhstan 2Associate Professor, Department of Architectural Engineering, Dongseo University, 47 Jurye-ro, Sasang-gu, Busan 617-716, South Korea achang.shon@nu.edu.kz, bldu21@hanmail.net Keywords: Alkali silica reaction; circulating fluidized bed combustion fly ash; geopolymer; activation energy Abstract.

Effect of Limestone Origin on the CaCO3 Decomposition Process and Subsequent Crystallization Process of CaO SKLENÁŘOVÁ Dorothea1a, DVOŘÁK Karel1b, KOPORCOVÁ Diana Mária1c 1Brno University of Technology, Faculty of Civil Engineering, Veveří 331/95, 602 00 Brno, Czech Republic asklenarova.d@fce.vutbr.cz, bdvorak.k@fce.vutbr.cz, cdmkoporcova@gmail.com Keywords: Limestone, Lime, Crystallite, X-ray diffraction (XRD analysis), High temperature chamber Abstract.
Specht, Determination of Reaction Coefficient, Thermal Conductivity and Pore Diffusivity in Decomposition of Limestone of Different Origin, Proceedings of the World Congress on Engineering and Computer Science 2011 Vol II, 6 (2011), ISBN: 978-988-19251-7-6 [6] G.

These semi-finished compounds are mostly used in machine, ship and commercial vehicle building, as well as in civil engineering.
Alloy EN AW Melting range Strength Rm (1) Remarks [°C] [N/mm2] Al99.5 1050A 646 - 657 65 – 135 Resistant to atmospheric attack, weldable, solderable, formable; suitable for e.g. apparatus engineering AlMg1 5005 630 - 650 100 – 210 Saltwater-proof, conditionally weldable and solderable; suitable for e.g. façade construction AlSi1MgMn (AlMgSi1) 6082 585 - 650 150 – 310 Saltwater-proof, weldable, solderable, formable; suitable for e.g. construction of machines and vehicles (1) Depends on the heat treatment state The melting range of the foamable core material should be lower than that of the face sheets complete the foaming before fusion of the face sheets.

Effects of organic acid radicals on degradation of Orange II in UV-Fenton system with hydroxyl-Fe-pillared bentonite as catalyst Jianxin Chen1,a, Zhaoji Hu1,b, Xuexia Yuan2,c, Yanhong Yao1, Jun Li1, Kaiyi Zeng1 1School of Environmental and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, 330031, China 2School of Civil Engineering and Architecture, Nanchang University, Nanchang, Jiangxi, 330031, China ajxchen@ncu.edu.cn, bzhjhu@ncu.edu.cn, cxxyuan@ncu.edu.cn Keywords: wastewater treatment; UV-Fenton; bentonite; Orange II; organic acid radical.

Analysis of Wall Rock Settlement on Section of Super Shallow Four-arch Tunnel Runke Huo1, a, Yongzhen Yao1,b, Qixian Yue1,c 1School of civil engineering, Xi’an University of Architecture ＆ Technology, Xi’an 710055,P.R.China ahuorkdq@xauat.edu.cn, byao2205869@126.com, c506891860@qq.com Keywords: shallow tunnel, four-arch, excavation process, wall rock settlement.
It is showed in Geotechnical Engineering Investigation report that the stratum of calculated range is silty clay.

Lee, A simulation based decision supporting system for road network control in container terminals, In the Proceedings of the 12th International Conference on Computing in Civil and Building Engineering, 2008, Beijing
Huo, Analysis of container terminal queuing system based on simulation model, Computer Engineering and Applications, 2008.

Research On Machanical Behavior of T-Shaped Concrete-FilledSteel Tubular Stub Columns With Steel Bone Kailin Ju 1,a, Qiusheng Li 1/2,b, Guofeng Du3,cand Yi Li4,d 1Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education,Hunan University ,Changsha410082,China; 1/2City University of Hong Kong ,Kowloon Hong Kong,China; 3The School of Urban Construction ,Yangtze University,Jingzhou434023,China 4The School of Civil Engineering,Hunan University,Changhsha410082,China a jukailin1987@163.com , b bcqsli@cityu.edu.hk , c Gfd-1125@163.com Key words: Concrete-filled steel tube；Concrete-filled steel tube with steel bone；T-shaped composite column; Short column; Axial compression capacity Abstract: Concrete-filled steel tube structure is one of the important load-bearing systems of modern high-rise building.The research indicate that concrete-filled steel tube structure has a good static and seismic performance,and concrete-filled steel tubular component is always
China Journal of Railway Science and Engineering.2006,3(5),46-49.

Study on Critical Speed of Freight Train Derailment on Bridges Zhihui Zhou 1,a, Guo Liu 1, Zhidong Qian 1, Ying Wen 1 and Qingyuan Zeng 1 1School of Civil Engineering, Central South University, Changsha 410075, China azzhyy@csu.edu.cn Keywords: derailment, energy increment criterion, freight train, critical speed, bridge lateral rigidity.
Zeng: Chinese Journal of Mechanical Engineering, Vol. 44 (2008), p. 184 [5] W.H.

Tentative Study on Sonoelectrochemical Chloride Extraction from Mortar Yiqun Chena, Wu Yaob and Xiaoming Xing Institute of Smart Construction Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China a2011cyq0809@tongji.edu.cn, byaowuk@tongji.edu.cn Keywords: Electrochemical chloride extraction; Extraction efficiency; Ultrasonic cavitation; Corrosion potential.
Acknowledgement The authors would like to express their appreciation for the financial support of this work provided by the Kwang-Hua Fund for College of Civil Engineering (Tongji University).

Content changes of Carbon and Nitrogen during the decomposition of mire wetland in Xiaoxing’anling in Northeast China Ji-Guang Li1, 2,a, Hui Sun3, b, Min Tao4, 5,Qi-shuo Wang5, Wei-ming Tan1, Wei Xie1, Zhen-hua Liu1 1 Department of Physics and Mathematics, Wuzhou University,Wuzhou,Guangxi 543002,China 2 State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang, 150090, China 3 School of Civil Engineering, Mudanjiang University, Mudanjiang, Heilongjiang, 157000, China 4 School of Environmental Science and Engineering, Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, Hubei Polytechnic University, Huangshi 435003, China 5 Huai’an Research Center, Institute of Hydrobiology, Chinese Academy of Sciences, Huai’an 223006, China alijiguangljg@163.com, bsunhui0709@163.com Keywords: Carbon; Nitrogen; Decomposition; Mire wetland Abstract.