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Fast Tool Servo Machining of Complex Surfaces and Microstructures Guilin Wang a, Ziwen Zhengb , Haikuan Yangc and Yifan Daid School of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha 410073, China a guilin74811@nudt.edu.cn, bzzwxj@sina.com, cfigo03031012@gmail.com, d dyf@nudt.edu.cn Keywords: Fast Tool Servo (FTS); Piezoelectric Ceramic (PZT); Complex Surface; Microstructure; Tool Interference Abstract.
Introduction Optical components with complex surfaces or microstructures, such as micro-lens array, holographic lens, freeform prism and gradient index lens, are more and more widely used in martial and civil fields.
References [1] Yifan Dai, Haikuan Yang and Guilin Wang: China Mechanical Engineering, Vol.20 No.22 (2009), p.2717 [2] Dan Wu, Xiaodan Xie and Xiankui Wang: China Mechanical Engineering, Vol.19 No.11 (2008), p.1379 [3] Information on http://www.precitech.com [4] O.

Fatigue Life Calculation of the In-Service Dented Pipeline YING Wu1, a, PENG Zhang1,b , WU Liu2,c 1 School of Civil Engineering and Architecture, Southwest Petroleum University, China 2 School of Petroleum Engineering, Southwest Petroleum University, China awy_swpi@163.com Keywords: pipeline; dent; finite element method, fatigue life Abstract.
,A theoretical analysis of the formation of dents in pipelines under static condition ,British Gas, Engineering Research Station, Report 4080(1998)

Parametric Effect on Bidirectional Moving Vehicle Load Identification Ling Yu1-2, a and Xuegang Wang2, b 1Department of Civil Engineering, China Three Gorges University, Yichang 443002, China 2 Key Laboratory of Disaster Forecast and Control in Engineering, Ministry of Education of China, Jinan University, Guangzhou 510632, China a, b lyu1997@126.com Keywords: Time domain method, moving force identification, vehicle loads, bridge loads.
Busby, Practical inverse analysis in engineering: CRC Press LLC, (1997)

FEM Research on Static Mechanical Performance of Twice Prestressed Composite Curved Beam Fangfang Wei a, Jinbo Wang, Benwei Zou and Hao Sun College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China affwei@hhu.edu.cn Key words: Twice Prestressed Composite, Curved Beam, FEM, Static Mechanical Performance.
Central South Highway Engineering, Vol. 31 (2): 73-76. in Chinese
“ANSYS numerical analysis of engineering structures.”

Comparative Analysis of the Measurement Methods of Bound Water Content in Municipal Sewage Sludge Weijun Zhang 1, a , Kechun Sun1,b 1 the Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang, China ajgzwj@126.com, bskchun@163.com Keywords: Bound Water Content, Sludge, Measurement Methods.
(In Chinese) [5] Masakatsu, H., Sludge Treatment Engineering, (1990).
Journal of Chemical Engineering of Japan, (1992), 25(1): p. 100-103

A Pilot Study on the Volume Ratio of Anaerobic/ Anoxic / Aerobic in A2/O process Influence on Nitrogen and Phosphorus Removal Qiong WAN 1,a, Qian FENG 2,b , Dang-cong PENG 2,c and Shi-ping JING 3,d 1 College of Architecture and Civil Engineering; Xi’an University of Science and Technology, Xi’an 710054, China; 2 School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China; 3 Southwest Municipal Engineering Design & Research Institute of China, Chendu 610081, China) awq6675@sina.com, bzhuifengismylove@163.com, cdcpeng@ixauat.edu.cn, dshiping_jing@sina.com Key words: volume ratio; A2/O process; nitrogen removal; phosphorus removal; pilot Abstract The volume ratio of anaerobic/anoxic/aerobic was an important factor for the removal of nitrogen and phosphorus in the A2/O process.

Buckling Analysis of Ring-Stiffened Laminated Composite Cylindrical Shells by Fourier-Expansion Based Differential Quadrature Method Saeed Barani1,a, Davood Poorveis2,b and Shapoor Moradi3,c 1,2Department of Civil Engineering, Shahid Chamran University, Ahvaz, Iran 3Department of Mechanical Engineering, Shahid Chamran University, Ahvaz, Iran aseebb86@yahoo.com, bdpoorveis@scu.ac.ir, cmoradi@scu.ac.ir Keywords: differential quadrature, buckling, ring stiffened, smeared model, virtual work Abstract.
Shu, Differential Quadrature and It’s Application in Engineering, Springer, London 2000

The triaxial test research of Asphalt-Rubber mixture Lan Wang 1, a, Xiaohui Meng 1,b ,Liqing Pan 1,c and Jiquan Zhang 1,d 1 College of Civil Engineering, Inner Mongolia University of Technology, Huhhot 010051, China awanglan661018@163.com, bngd2006mengxiaohui@126.com, cpanliqing1985@163.com, dzhangjiquan1982@163.com Keywords: The Rubber Powder Modified Asphalt Mixture; Triaxial Test; Binding Power; Friction Angle Abstract.
The road materials are updated constantly, rubber powder modified asphalt mixture can not only improve the engineering properties of the pavement but also is greatly beneficial from the point of view of energy saving, environmental protection and development of circular economy.
Because of its excellent high temperature rutting resistance, skid resistance, resistance to low temperature cracking and noise performance, the engineers and technicians pay more and more attention to it.

Seismic performance analysis of the Special-shaped frame Column Structure on Multi-dimensional Seismic Dongqiang Xu1,2,a , Meimei He 1,2,b 1 College of Civil Engineering, Hebei University of Technology, Tianjin, 300401, China 2Civil Engineering Technology Research Center of Hebei Province, Tianjin, 300401, China axudq58@163.com, bhemeimei2010@126.com Keywords: multi-dimensional seismic wave; torsional acceleration component; special-shaped column; frame structure; nonlinear time-history analysis; Seismic performance Abstract.
Geotechnical Engineering.2001：563-566

Numerical Simulation Analysis on a Construction Method of Ultra-closing Over-cross Transportation Tunnels YU Heran a, ZHOU Xiaojun b WANG Xiaobo c School of Civil Engineering, Southwest Jiaotong University, China a heranyu@163.com, b zhouxjyu69@163.com, c xiaobo.swjtu@gmail.com Key words: over-cross tunnel; ultra-closing tunnel; numerical simulation Abstract.
By the premise of the security of the structure, this design can put the net distance between the two tunnels into the lowest level, thereby optimize the route elevation design. 2 Engineering situation The actual proposed project this article relied located in Liupanshui mountain zone of China.
This paper employed FLAC3D as the calculation software, which is a three-dimensional explicit finite-difference program for engineering mechanics computation.