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Experimental Research on Using Heat Shrinkable Material to Protect Prestressed Anchor Li Zhu1,a, Tianxing Cheng2,b, Eryu Zhu1,c, Xiaoyin Lv1,d, Yongzheng Zhou1,e 1School of Civil Engineering, Beijing Jiaotong University, Beijing 100044，China 2 Department of Civil Engineering, Tsinghua University, Beijing 100084, China a08231061@bjtu.edu.cn, bhk_cheng@126.com, ceyzhu@263.net, dlvxiaoyin@yahoo.cn, ezyz_zhou@sina.com Keywords: prestress engineering, prestressed anchor, heat shrinkable material, sealing technology of anchor, electrical insulation, sealing, anti-stripping, durability Abstract.
Anchor is the key component for force transmission of prestressed structure.
Principle of heat shrinkable material protection to anchors Heat shrinkable materials, also known as shape-memory polymers, is made by cross-linked polymer network structure with new link keys formation among polymer chains after high-energy radiation treatment or chemical treatment of initiator to the polymer crystallization.
The preparation of test materials.
(In Chinese) [16] Petroleum Engineering building construction standard committee: SY / T 4054, (2003).

Modeling and Numerical Control Machining of the Mould of a Rearview Mirror of a Motorcycle Based on the Reverse Engineering Technology Yongxiang Gao School of Mechanical EngineeringZheJiang Institute of Mechanical and Electrical Engineering Hangzhou，China 99242698@qq.com Keywords: Reverse Engineering; Data Measurement; Reverse Modeling; Mold Splitting; Numerical Control Machining Abstract.
The Reverse Engineering Technology (RET) is extensively employed in the realm of product designing.
The process includes three procedures: data measurement, surface reconstruction and product processing, among which CAD surface construction procedure is a key step but also a bottleneck problem affecting the speed of the Reverse Engineering project.
The flow chart of Reverse Engineering is shown in Fig 1.
Flow Chart of Reverse Engineering This paper, taking the machining and manufacturing of the mould of the rearview mirror of a motorcycle as an example, illustrated the application of UG software in the key technology of Reverse Engineering.

Students first study the structure of crystalline solids and the main crystalline systems applicable to mechanical engineering, key issues for the successful development of the class and course.
The focus of the course is to relate the content covered with their applications, which refers to the concept of engineering materials.
In contrast, materials engineering is based on these correlations structure-property, in the design or engineering of the structure of a material to produce a set of predetermined properties [2,3].
Callister Jr.: Fundamentals of Materials Science and Engineering: An Integrated Approach.
Smith: Principles of Materials Science and Engineering.

Py-GC-MS Analysis on Biomedical Materials from Extractives of Moso bamboo for Biomedical Engineering MA Qing-zhia, WU Feng-juan, ZHANG Dang-quan, PENG Wan-xi Central South University of Forestry and Technology, City Changsha, P.R.
China ae-mail: pengwanxi@163.com Key words: Py-GC-MS; Biomedical materials; Extractives; Moso bamboo; Biomedical Engineering Abstract.
Introduction Moso bamboo (Phyllostachys pubescens), which is a superior resources, is often used as the raw materials of furniture, doors, flooring, windows and beams, and so on[1].
Materials and Methods Materials.
So the benzene-alcohol extractives of Moso bamboo could be used for biomedical engineering .

According to the research content, the research object is defined as the experts and scholars and researchers that study or work in the engineering project management.
The project, the owner party, construction side, the third side, materials and equipments and other objectives are all potential of the variables in the structural model.
We can help owner to communicate with the various project participants, to reduce engineering change as far as possible and strengthen the management of the construction site.
Materials and third party belong to the secondary factors have a bigger impact.
Reasons for the delay of construction period in engineering projects, Journal of Huaqiao University (Natural Science), 04(2003):369-373

Experimental Studies of Infrared Characteristics in the Deformation and Fracture of Engineering Solid materials subjected to external loading Yongjun Zhang1,2,a, Nianjie Ma3,b 1School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China 2 State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, 221008, China 3 Faculty of Resources and Safety Engineering, China University of Mining and Technology, Beijing, 100083, China azhangyj_bull@163.com, bnjma5959@126.com Keywords: Infrared radiation, Deformation, Fracture, Thermo-mechanical coupling, numerical simulation, Infrared omen Abstract.
The studies in recent years show that solid materials such as rock and concrete always have regular thermal infrared (TIR) characteristics when the solid samples are loaded, and the anomalous IR phenomena appear before samples failure.
The prospective method will be applied in the fields of mining engineering, underground engineering and side slope engineering.
The TIR radiation detection technology would be a prospective new technology in rock and mining engineering.
Acknowledgments Financial supports from Natural Science Foundation of China under Grant no.50904040, the National Basic Research Program of China under Grant no.2011CB201204, the China Postdoctoral Science Foundation under Grant no.20090461159 and State Key Laboratory for GeoMechanics and Deep Underground Engineering under Grant no.

Key Factor Extraction of Supply Chain Performance Based on Heterogeneous Selective Ensemble PCA Conghui Zhang 1, a, Nan Zhao 2, 3, b, Hongyu Shao3, c 1 Department of Management and Economics, Tianjin Electronic Information Vocational Technology College, Tianjin, China, 2College of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin, China 3Tianjin Key Laboratory of Equipment Design and Manufacturing Technology, Tianjin University, Tianjin, China a13512264859@163.com, bnanzhao1982@163.com, ch4clo4@163.com Keywords: Supply chain performance, Key factors, Selective ensemble, PCA, Fuzzy integral Abstract.
The structure diagram of the algorithm is shown in Fig.1 Fig.1 Heterogeneous PCA Selective Ensemble Learning Algorithm Extracting Key Factor of Supply Chain Performance To approve the reliability of the algorithm, this thesis analyzes the time performance data of supply chain for C Company and extracts its key influencing factors.
The indicators of time performance include the cycle of raw material purchase（A）, average manufacturing cycle（B）, average distribution time（C）, financial decision time (D), time of purchase plan formation （E）and time of production schedule formation （F）.
And the final computed result is shown in Fig.2 Fig.2 Key Factors of Supply Chain Time Performance According to the figure, it is clearly seen that the key factors of supply chain time performance at C Company in 2007 were average manufacturing cycle and main raw material purchase cycle, whose key degree is higher than others, among which the influence of average manufacturing cycle is much higher than other factors, so it is the key object which needs to be monitored in the supply chain.
In order to prove the effectiveness of the algorithm, this thesis adopts K-means cluster to analyze the six indicators of time perforce A~F as well as the original data set of key factors obtained by selective ensemble learning, i.e., the original data set of main raw material purchase cycle （A）, average manufacturing cycle （B）and time of production schedule formation （F）.

Zhang 1 1 Engineering college of Ocean University of china, Qingdao, China, liuguijie@ouc.edu.cn 2 Key Lab. of Precis. & Non-Tradit.
Engineering ceramics are hard and brittle materials, that is very easy to crack when grinding, and processing mechanism is rather complex than that of metallic materials.
Engineering ceramics are the most typical hard brittle materials.
For engineering ceramics materials with high brittleness characteristics, when Thin-walled ceramic materials is machined, the control of feed rate and grinding force are essential.
Grinding tool setting principle of engineering ceramic material and system components The production mechanism of grinding AE for engineering ceramic material.

In several fields of engineering the automation of the CFRP production chain is a major issue.
In fiber materials different deformation mechanisms exist.
From these very different materials, three material classes are mostly used by applicants.
For more complex deformations mode, like they exist e.g. in biaxial materials maybe a set of initial test has to be used, to identify the role of the two key modes within such materials.
Middendorf, Identification of forming limits for unidirectional carbon textiles in reality and mesoscopic simulation, Key Engineering Materials Vols. 554-557 (2013) pp 423-432

Strength and mode analysis of testing machine of 3MW wind turbine bearing with finite element method Duan Zhenyun1,a, Wang Ying1,b, Hong Mingdong2,Ren Guofang2,c 1School of Mechanical Engineering, Shenyang University of Technology, Liaoning, 110870, China 2Liaohe Oilfield, Liaoning, 124010, China a duanzhenyun@yahoo.com.cn, b wangying87621@163.com, c rgf2000@sina.com Key words: wind turbine bearing; key components of testing machine; strength; mode analysis.
The static strength and dynamic properties of testing machine key components of 3MW wind turbine bearing were analyzed with the finite element software ANSYS to obtain the strength and stiffness check as well as the optimizing design of testing machine key components of wind turbine bearing.
The strength was checked and satisfied with the demand of material strength.
Material Properties The material of bearing testing machine was Q235, the elastic modulus was 2.1×105 MPa, Poisson's ratio was 0.3, the density was 7.85×10-6kg/mm3, yield strength σs was 235MPa, ultimate strength σb was 500MPa.
As shown in Figure 2, the maximum stress of the bearing frame and left loading frame are respectively 95.984MPa and 118.928MPa, [σ] is the allowable stress values which considered the material safety factor and the shape factor, [σ] =σs/s. σs is yield strength of the material, σs = 235MPa; s is the safety factor.