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Study on the Ultrasonic Characteristics in the Contact Interface under Ultrasonic Cutting Zhang Ming1,a, zhengliu2,b, Jiao Feng3,c 1School of Civil Engineering, Henan Polytechnic University, 454003, China 2 Technician College of Jiaozuo, Jiaozuo City, Henan Province, 454003, China 3 School of Mechanical and Power Engineering, Henan Polytechnic University, 454003, China azhangming@hpu.edu.cn, b493311230@qq.com, cjiaofeng@hpu.edu.cn Keywords: Ultrasonic Cutting, Model, Ultrasonic Characteristics Abstract.
[3] Zhang M: Key Engineering Materials, Vol. 392-394 (2009), p.146-150

Schlangen Microlab, M & E, Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O.
[5] Schlangen, E. and Garboczi, E.J. 1997, Fracture simulations of concrete using lattice models: computational aspects, Engineering Fracture Mechanics, 57(2/3): 319-332
Lattice modelling of size effect in concrete strength, Engineering Fracture Mechechanics, 70, 2307-2320

Lenin, 28, 400005, Volgograd, Russian Federation 3 Moscow State University of Railway Engineering (Volgograd Branch), Bukhantseva St., 48, 400120, Volgograd, Russian Federation abakhracheva@yandex.ru, bvasilyev@vstu.ru, cptnvolga@yandex.ru Keywords: thermocyclic nitrocementation, steel, diffusive layer, microhardness, wear resistance.
Khokhlov, Wear laws at elastic interaction, Russia Engineering Research. 16 (1996) 11-12
Bakhracheva, Fracture toughness prediction by means of indentation test, International Journal for Computational Civil and Structural Engineering. 9 (2013) 21-24

The Design of Solar Heating System for Oil Field Duty Room Dong Zhao1, Zhang Zhe2 1School of Materials Engineering, Xi’an Shiyou University; Xi’an; 710065; China 2School of Mechanical Engineering, Xi’an Shiyou University; Xi’an; 710065; China 1dzbobhxy@163.com,2zzandblue@126.com Keywords: Field Duty Room;Solar Heating;Auxiliary Electric Heating;Double Medium Indirect Heat Exchange Abstract.
References [1] Zheng Ruicheng: Civil Construction Design of Solar Energy Technology [M].
[2] Li Deheng: Solar Energy Engineering Design and Construction [M].

The Research on the Numerical Modeling of Foam Material Yunchun Huang1, a, Wenjun Hu2,b Junlin Tao1,c 1College of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621010, Sichuan, P.R.China 2Chinese Academy of Engineering Physics,Mianyang 621900, Sichuan, P.R.China a395967167@qq.com, bwjhu@vip.sina.com, cjunlintao@126.com Keywords: Foam material, Numerical modeling, Single cell accumulation, Three-dimensional restructuring, Programming method.
It has good buffering and energy absorption performance in the compress process because of the existence of large number of pore structure, so it is widely used in engineering field.

Mechanics Analysis and Construction Method of Prestressed Concrete Pipe Wei Wu1, a and Jing Ji2, b 1The Department of Architecture and Engineering Qinhuangdao College, Northeast Petroleum University, Qinhuangdao, Hebei,066004, China 2The College of Architecture and Engineering, Northeast Petroleum University, Daqing, Heilongjiang, 163318, China aQinhuangdaoww1@163.com, bJijing1977@163.com Keywords: Prestressed Concrete Pipe, Internal and External Pressure, ANSYS, Construction Method.
References [1] GB50010-2010: Code for Design of Concrete Structures (China Building Industry Press, China 2010) (In Chinese) [2] Tao Liu and Fengpeng Yang: Proficient in ANSYS (Tsinghua University press, China 2002) (In Chinese) [3] Wenhua Hao: ANSYS Civil Engineering Application Examples (China Water Power Press, China 2005) (In Chinese) [4] GB50023-2003: Code for Design of Steel Structures (China Building Industry Press, China 2003) (In Chinese)

Yan2, b 1School of Civil Engineering and Architecture, Nanchang Hangkong University, Nanchang, Jiangxi, 330063, PR China 2State Nuclear Electric Power Design & Research Institute, Beijing, 100094, PR China ahhzhang@nchu.edu.cn, bjx_yan@163.com Keywords: Numerical manifold method, n-sided regular mathematical elements, Crack problems Abstract.
Introduction Analysis of crack problems is a popular and important topic in modern engineering.
The NMM, originally proposed by Shi in [1] in rock engineering, provides a novel view to solve both continuous and discontinuous problems.

Study on Moment-Curvature Hysteresis Relationship of Reinforced Concrete Shear Walls Guangqiang Zhou1,a , Fengmin Xia1,b 1School of Civil Engineering, Shandong Jianzhu University, Jinan, 250101, China agq.zhou@126.com, bXFM@sdjzu.edu.cn Keywords: Reinforced concrete shear walls; Macroscopic model; Moment-curvature hysteresis relationship Abstract.
References [1] CHEN Bowang, WANG Haibo and SHEN Pu-sheng: An improved multi-vertical-truss-element model of shear wall and its application, ENGINEERING MECHANICS, Vol.22, No.3 (2005), p. 183-189.
Martinez: An analytical model to predict the inelastic seismic behavior of shear-wall, reinforced concrete structures, Engineering Structures 24 (2002), p. 85-98

Properties Analysis of bolted composite T-joint Zhenqing Wang 1, a, Song Zhou 1, b, Jiansheng Zhou1, c, Xiaoyu Sun1, d 1 College of Aerospace and Civil Engineering of Harbin Engineering University, Harbin, Heilongjiang, P.
Acknowledgement This work has been funded by fundamental research funds for the central university, HEUCFZ1004 and the International Exchange Program of Harbin Engineering University For Innovation-oriented Talents Cultivation.

A Scientific Problem and Analytical Method for Structure Reinforcement Hongzhi Jia1,a, Jiabin Sun1,b, Yufei Wu2,c and Xinsheng Xu1,d 1 State Key Laboratory of Structure Analysis of Industrial Equipment and Department of Engineering Mechanics, Dalian University of Technology, Dalian, 116024, China 2 Department of Civil and Architectural Engineering, City University of Hong Kong, Hong Kong ajia_h2@sina.com, bjiabin-sun@163.com, cyfwu00@cityu.edu.hk, dxsxu@dlut.edu.cn Keywords: Structure Reinforcement, Beam, Hamiltonian System.
Introduction The structure reinforcement is adopted wide in engineering since structures can be stronger, stiffer and more ductile than the sum of the individual elements.