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Introduction In order to realize better safety, environment protection and energy-saving, urgent need for weight-saving structural materials have been put forward by automobile industry.
The mechanical properties of sheet materials will change with the temperature.
M,Testing and evaluation of material data for analysis of forming and hardening of boron steel components, Modelling Simulation of Material Science Engineering.,10(2002), p.277-294 [4] M.
Lecher, Investigation of the thermo-mechanical properties of hot stamping steels, Journal of Materials Processing Technology ,177(2006), p. 452-455
[5] Zhongwen Xing, Jun Bao and Yuying Yang, Numerical simulation of hot stamping of quenchable boron steel, Materials Science and Engineering A, 499 (2009), 1-2, p.28-31

The PHBV are solid, easily broken, while natural rubber is excessive elastic materials.
Methodology Materials.
China), and natural rubber latex are raw materials for biopolymer fabrication.
Gil, Modification of poly(3-hydroxybutyrate)- co-poly(3-hydroxyvalerate) with natural rubber, Journal of Applied Polymer Science. 116 (2009) 718-726
Zhou, Cellulose nanocrystals as green fillers to improve crystallization and hydrophilic property of poly(3-hydroxybutyrate-co-3-hydroxyvalerate), Progress in Natural Science: Materials International. 21 (2011) 478-484.

The material of the bearing is GCr15 bearing steel.
Boundary conditions and loading The inner ring of rolling bearing rotates with the journal.
The material of the bearing is GCr15 bearing steel.
(Grant No.51065009 ) and the Natural Science Foundation of Jiangxi Province “The Study of the Principle and Lubrication design basis of the roll and slide blend bearing in circle pound situation.”
Diesel locomotive 8 (8), 10~12 (2008) (in chinese) [3] Wing Kam Liu,Shangwu Xiong,Yong Guo.: Finite element method for mixed elastohydrodynamic lubrication of journal-bearing systems.

However as the rise continue to increase, arch structure will increase the cost of materials increases as well, and it makes the minimum structure increases at last.
References [1] Chunyang Cao, Yanhong Liu and Jinkun Dong:Journal of Liaoning Institute of Technology,Vol.25, No.3(2005),P.34-36 [2] Murat Subasi，Necmettin Yildirim，Bünyamin Yildiz:Applied Mathematics and Computation, Vol.147,No.3(2004),P.893-901 [3] Bünyamin Yildiz, Erdal Karaduman:Applied Mathematics and Computation,Vol.143, No.2(2003),P.523-531 [4] Xiuli Wang, Yongzhou Liu:Spatial Structures,Vol.11,No.1(2005),P.35-39 [5] Guohong Yao, Shutang Liu, Liping Kang:Journal of Henan University of Science & Technology(Natural Science),Vol.29,No.2(2008),P.65-70 [6] Youhua Ke, Bo Chen: Steel Construction,Vol.25,No.3(2010),P.37-44

Girder and arch were established by using beam element, suspender was established by using truss element, the connection between the suspender anchor point and girder and arch is rigid; the arch consists of two materials: steel tube and concrete, commonly, we use a conversion elastic modulus method [4] to deal with this.
Journal of railway science and engineering, Vol. 6(3) (2009), p.42 [6]Huai Chen, Hongsheng Wu,Jun Tang: J.Journal of Railway Science and Engineering,Vol. 5(2) (2008), p.12

Table 2 Experimental results of ignition temperatures radiation cargo selected reasons ignition temperatures (℃ ) chili powder ignited in the radioactivity fire in Qi county of Henan province, typical food 210 corrugated paper typical packing materials, lower ignition temperature 230 toilet paper typical commodity 240 gauze typical medical supplies 290 Fig.3 Test sample Fig.4 Comparison diagram before and after the test Analysis of Simulation Results Simulation Results of Temperature Curve. 500000 Ci is equivalent to 7.7 kW in the fire scenario.
[2] Shengeng Fan, Yongxian Zhang, Changheng Xu: Atomic Energy Science and Technology Vol. 23 (1989), p. 88
[3] Haisheng Liu, Xianhong Xu, Guoxing Gu:Journal of Isotopes Vol. 19(2006), p. 57
[5] Chaoyang Li, Shaoyu Sun, Zhixin GuoO: Fire science and Technology Vol. 28 (2009), p. 870
[6] Junhai Zhao, Maohong Yu, Yunhe Liu, et al: Journal of Northwestern Institute of Architectural Engineering Vol. 12 (1988), p. 1.

Introduction Due to the growing use of light weight and high-strength materials, modern tall buildings tend to be more flexible and lightly damped than those built in the past.
Acknowledgements The work described in this paper was financially supported by grants from the China Postdoctoral Science Foundation (Project No: 2012M521485 and 2013T60753), a grant from the National Natural Science Foundation of China (Project No: 51208404) and a grant from the Fok Ying Tong Education Foundation, China (Project No: 141074).
Wu: Journal of Wind Engineering and Industrial Aerodynamics, Vol.98(2010), p.600
Li: International Journal for Numerical Methods in Engineering, Vol.81(2010), p.835

Seismic behavior of partially encased concrete composite columns Gentian Zhao 1, a, Qiuwen Hu 1, b 1 School of Architecture and Civil Engineering Inner Mongolia University of Science & Technology, Baotou 014010, China azhaogentian93110@sina.com bhuxue0807@126.com Keywords: partially encased concrete, composite column, steel ratio, seismic behavior Abstract: In order to learn seismic behavior of partially encased concrete composite columns, experimental study on five H steel partially encased concrete composite columns was carried out under low cyclic loading.
Table 1 The specimen size and strength of materials Specimen number Section size （mm） Specimen length （mm） Axial compression force ratio Steel ratio % Concrete cube compressive strength （MPa) Stirrup diameter （mm） PECC -1 200×200×6×6 600 0.15 8.82 42.6 8 PECC -2 200×200×6×8 600 0.15 10.76 42.6 8 PECC -3 200×200×6×6 600 0.25 8.82 42.6 8 PECC -4 200×200×6×8 600 0.25 10.76 42.6 8 PECC -5 200×200×6×8 800 0.25 10.76 42.6 8 Figure 1 Test device Figure 2 Typical specimen failure pattern Experimental phenomena and results analysis Experimental phenomena and results The experimental results show that the entire PEC short column has the similar failure mode under low reversed cyclic horizontal load.
Journal of Constructional Steel Research, Elsevier,Oxford,UK, 1994,30, 201-229
Journal of building structures, 2000.4.
Master degree theses of Inner Mongolia University of Science and Technology, 2009.

The main dimensions and motion parameters at meshing point of gear pump Fig.2 Parameters of gear pump with the arc-cycloid tooth profiles According to the modern theory of hydrodynamic lubrication can see, in order to calculation and analysis lubrication, we must know the radius of curvature of the contact profiles, entrainment speed, load and mechanical properties of materials.
Journal of Beijing University of Chemical Technology, 2004,31 (5) :90-92(in Chinese) [2] Wu Di, Zhang You-chen: Analysis of Contact Stress of Rotors of Pump of Cycloidal Gear with Multi-tooth Difference.
Journal of Xihua University (Natural Science Edition), 2008,27(5):14-16(in Chinese) [4] Hou Donghai, Si Chunhua, Lu Pangong: The principle of meshing and the Selection of the Geometric Parameters on Cycloidal Gear pumps with Small Tooth number Difference.
Shanghai Science and Technology Press,1984 (in Chinese) [6] Wen Shizhu, Hang Ping: Principles of Tribology.

Granite heterogeneity material sample size model 115 mm x 115 mm, aperture for 30mm, grid partition for 115 x 115 The loading process through the displacement loading method.
Granite heterogeneity material model specific parameters see table 1 shows.
Acknowledgment The authors wish to acknowledge the funding support from National Natural Science Foundation of China (No 51174071), Hebei Union University Engagement Fund (No LDPY007) and Hebei Province Education Office of China (No 2011151).
Journal of computational mechanics.
International Journal of Rock Mechanics and Mining Sciences.