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Calculation of Short-term and Long-term Behavior of Prestressed Concrete Box Girders Considering Effect of Shear Lag Di Hua, Laifa Wangb and Jiping Guoc School of Civil Engineering and Architecture, Central South University, Changsha, China a whudee@yahoo.com, bwlf_88@sina.com, cgjp209@yahoo.com.cn Keywords: Prestressed concrete, box girder, creep, shrinkage, shear lag, relaxation Abstract.
Introduction Prestressed concrete (PC) box girders with widely cantilevered upper flanges are used commonly in bridge engineering.
Journal of Structural Engineering, ASCE Vol. 113 (1987), p.557-574 [2] W.

Box 17011, Doornfontein 2028, Johannesburg, South Africa. 2 Department of Mechanical Engineering, University of Zimbabwe, P.
[4] Smith, J.W (1988), Vibration of structures: Applications in civil engineering design, Chapman and Hall, London
L., 1957, The Institution of Locomotive Engineers Journals Volume 47 (Part No 60 1957 Paper No 580 Vibrational aspects of bogie design; p549 [6] D Madyira (2007), Lecture notes: Matrix iteration

Structural Damage Identification using Improved Particle Swarm Optimization Huiyong Guo1, 2,a, Junsheng Yuan1, 2 and Zhengliang Li1, 2 1School of civil Engineering, Chongqing University, Chongqing 400045, P.
Engineering Mechanics, Vol. 23(2006) Sup 1: 73-78.
Laier, A hybrid Particle Swarm Optimization-Simplex algorithm (PSOS) for structural damage identification, Advances in Engineering Software Vol.40( 2009) p.883-891

Properties of Grouting Mortar Modified with Alunite/bauxite/gypsum Ternary System as Expansion Component Yin-suo DAI1,2,a, Jian-dang DING1, Yue-hu TAN1, Xiao-jun YUAN1, Chun-hua LU2 and Zi-ming GONG1 1College of Defense Engineering, P.L.A Univ. of Sci. & Tech., Nanjing 210007 2State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing 210009 aysdaii@163.com Keywords: grouting mortar, bauxite, alunite, gypsum, ettringite, microanalysis, pull-out force test.
Introduction The grouting technology based on grouting materials, has been widely used in foundation strengthening of industrial and civil constructions, first-aid repairing, also used in anti-seepage depending on the characteristics of solidification to fill the voids and volume rapid expansion [1,2].
Factors Affecting Engineering Properties of Microfine Cement Grouted Sands [J].

The practical application and engineering theoretical background of these generators and transformers have all been tested.
This assumption has been theoretically verified in practical high voltage testing engineering and has come to test phase; it also provides support for high voltage electric field technology.
With their green and renewable characteristics, they also have some advantages in military, civil and aerospace scientific research field.
Generally speaking, this design scheme is based on laboratory technical research and engineering application, green, efficient and reusable.

References [1] K.Hitomi, Manufacturing System Engineering, Kyoritu Shuppan, (2010) 196.
J., Sep., (2000) [8] Suzuki.T, Yoshikawa.K, Checking Robot of the Field of Civil Engineering and Construction, Journal of the Robotics Society of Japan, (1986) 544-547.
[11] T.Iwatubo, H.Matusita, Basic of Vibration Engineering, Morikita Publishing, (2008) 36-39.

Shitikova Voronezh State University of Architecture and Civil Engineering ul.Kirova 3-75, Voronezh 394018, Russia E-mail: shitikova@vmail.ru, Ph.
V., "Application of fractional calculus for analysis of nonlinear damped vibrations of suspension bridges", Journal of Engineering Mechanics, Vol. 124, pp.1029- 1036, 1998
V., "Analysis of nonlinear vibrations of a two-degree-of-freedom mechanical system with damping modelled by a fractional derivative", Journal of Engineering Mathematics, Vol. 37, pp.343-362, 2000

Studies on Cobalt-based Catalyst to Synthesize Heavy Hydrocarbons Chen Li1,a, Peili Wang2, Weiyong Ying3, and Dingye Fang3 1 Department of Chemical Engineering, Henan University of Technology, Lianhua Street, Zhengzhou 450001, China 2 School of Civil Engineering & Architecture, Henan University of Technology, South Songshan Road 140, Zhengzhou 450052, China 3 Department of Chemical Engineering, East China University of Science & Technology, Meilong Road 130, Shanghai 200237, China a lichen03@163.com Keywords: ZrO2 modification, cobalt-based catalyst, Ru, F-T synthesis, heavy hydrocarbons Abstract.

Leachability of Self-Compacting Concrete (SCC) Incorporated With Fly Ash and Bottom Ash by Using Synthetic Precipitation Leaching Procedure (SPLP) Aeslina Abdul Kadir 1, a, Mohd Ikhmal Haqeem Hassan2, b 1, 2Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia (UTHM), 86400 Parit Raja, Batu Pahat Johor, Malaysia (Corresponding email: a aeslina@uthm.edu.my, b mohd.ikhmal.haqeem@gmail.com ) Keywords: self compaction concrete; fly ash; bottom ash; waste products; leachability; heavy metals.
H., Muftah F., Muda Z., “The Properties of Special Concrete Using Washed Bottom Ash (WBA) as Partial Sand Replacement”,International Journal of Sustainable Construction Engineering & Technology Vol. 1, No 2, December 2010
H., “An Overview of Fly Ash and Bottom Ash Replacement in Self Compaction Concrete” Key Engineering Materials Vols. 594-595 pp 465-470, 2014

Priyadarsini R.S.2,b 1M.Tech Student, College of Engineering Trivandrum 2Associate Professor, College of Engineering Trivandrum aaengeu321@gmail.com, bpriyadarsini_rs@yahoo.com Keywords: Cracked GFRP composite cylindrical shell, Finite element analysis, combined loading, Interaction buckling curves Abstract.
S., Stress Concentration Effects on GFRP Composite Plates with Circular Cut-outs, Fifth International Conference on Recent Trends in Transportation, Environmental and Civil Engineering- TECE 2016 [12] Shariati M., Sedighi M., Saemi J., Eipakchi H.