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This paper studies elastic-plastic material deformation in terms of Cauchy and PTT.
On the other hand, it may cause velocity fluctuations of contact surface because of material nature of local deformation in the process of the collision and impact.
In Physical Properties of Foods, Jowitt, e. a., Ed., London: Applied Science: 205-220(1983) [2] Chilcott MD, Rallison JM.
Nonlinear property of the visco-elastic-plastic material in the impact problem [J].
Journal of Shanghai University (English Edition), (01): 23-28(2009) [4] Hou L.

Microstructure Analysis of In-Plane Quasi-isotropic Composites Reinforced by Multi-Direction and Multi-Layer Three Dimensional Fabric Lanying Liu a， Yanan Jiaob Composites Research Institute of Tianjin Polytechnic University & Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin 300160, China aliuly_2010@163.com, bjiaoyn@tjpu.edu.cn Keywords: Multi-Direction, Multi-Layer, Microstructure, Unit cell Abstract.
Pat.NO.6,431,222 B1 to Nandan Khokar, designed a network-like woven 3Dfabric material includes select multilayer warp yarns occurring substantially linearly, the remainder multilayer warp yarns occurring in a helical configuration and two orthogonal sets of weft.
Acknowledgement The authors acknowledge the Tianjin Municipal Science and Technology Commission, China, for sponsorship of this research under the contract, No. 11ZCKFSF00500.
References [1] Jialu Li, Jianhua Yan, Lihua Xiao: Journal of Textile Research, 1994, 28(11), p. 34-39, In Chinese [2] Chaiyun Yang, Jialu Li: Journal of Donghua University, 2005, (10), p.53-58, In Chinese [3] Zhang Zhuo, Tianjin polytechnic university doctoral dissertation, In Chinese　 [4] Mansor H.Mohamed, A.Kadir Bilisik, U.
Patent 6,431,222B1. (2002) [8] Zhijian Hao, Xingfeng Guo, Qingen Chen: Journal of Textile Research, 2007, 28(1), p.48-50,In Chinese

Pavement Performance Prediction Model based on Weibull Distribution Ting Peng1, a,Xiaoling Wang2,band Shuanfa Chen3,c 1MOE Special Region Highway Engineering Lab, Chang’an University, Xi’an, 710064, China 2Xi’an Branch of the People’s Bank of China, Xi’an, 710004, China 3School of Materials Science and Engineering, Chang’an University, Xi’an, 710064, China apt@chd.edu.cn, xlwang_xa@163.cohmb, cchensf@chd.edu.cn Keywords: Pavement Performance; Prediction Model; Weibull Distribution.
In this model, and are influenced by pavement structure, material characters, traffic loads, climate and maintenance quality.
Tongji Daxue Xuebao/Journal of Tongji University, 38(8):1161 – 1164, 2010
Journal of Tongji University, 23(5):512–518, 1995
Journal of Testing and Evaluation, 39(3), 2011

Bearing capacity has been decreased, which lied in the two main reason: (1)material properties of concrete and steel is deteriorated after fire; (2)part of bridge structure is exposed to fire, which result in non-uniform temperature field, inner force distribution form is changed into irrational condition.
Cai Yue[1] had studied the material behaviors and mechanical model of pre-stressing concrete structure at high temperature.
Material properties of high temperature Table 1 shows that thermal performance of concrete and steel, According to the references[1,2], Thermal performance of concrete and steel including thermal conduction and specific heat and density is listed in Table 1 Table1 Thermal performance of concrete and steel Temp [°C] Thermal onduction of concrete[W/(m·°C)] Specific heat of concrete[J/(kg·°C)] Thermal conduction of steel [W/(m·°C)] Specific heat of steel[J/(kg·°C)] 20 1.6 850 53 612 200 1.5 939 50 612 400 1.3 1038 44 612 600 1.2 1136 34 612 700 1.0 1235 24 612 800 0.9 1334 24 612 Table2 shows that thermal performance of steel and concrete, According to the references[1,2], thermal performance of steel and concrete including thermal conduction and specific heat and density is listed in Table2 Table2 Mechanics performance of concrete and steel Temp [°C] Poisson Ratio for concrete strength reduction coefficient for concrete elastic modulus reduction coefficient for concrete
Reference: [1] Cai Yue., Dingye Huang and Xiongxue.Yu:Journal of Building Science Research Si Chuan.
Vol. 29(2003),p.82(in Chinese) [2] Bo Wu and Yuye Xu: China Civil Engineering Journal,Vol. 40(2007),p.30(in Chinese) [3] Ying Jiang: Harbin Engineering University(2006) [4] Daniel D C: Journal of Fire Safety,Vol.42(2007),p.139 [5] Xinmin Wang:People Communication Press(2007)

Experiments Materials and Preparation of the Test Specimens.
The main goal is to have enough materials.
Fig. 5 (a) shows a graph of the four materials made with a bamboo twig depth of 25 mm.
Arham Aditya and Aqli Walafiat for all their help in preparing this research materials.
Prabhakaran, Performance Testing for Sound Absorption Coefficient by Using Impedance Tube, Research Journal of Applied Sciences, Engineering and Technology. 11 (2015) 185–189

Feasible or optimal solution program automation design automation design, can greatly improve design efficiency, reduce design labor costs, more importantly, can significantly reduce material costs, save construction cost.
Vol. 31 (2010), p. 941 [10]HUANG Tian-li ,LOU Meng-lin and REN Wei-xin: Chinese Journal of Computational Mechanics.
Vol.26 (2009), p.529 [11]SONG Shuquan, WANG Mingqiang: Journal of Jiangsu University o f Science and Techno logy( Natural Science Edition) Vol.21 (2007), p.59 [12] AASHTO, LRFD Bridge Design Specifications, Third edition, 2004 [13] Jian Kailin, Yan Lewei and Zhu Xuewang : Chinese Journal of Applied Mechanics.
Vol.28 (2007), p. 27 [15] JLIU Jing-yu, ZHU Chao-yan: Journal of Liaoning Institute of Technology.
Vol.27 (2007), p. 308 [16] MA Hong bo, CHEN Jian jun, ZHANG Jian guo and HU Tai bin: Mechanical Science and Technology.

Effect of Lumen Size on Transverse Thermal Conductivity of Unidirectional Natural Fiber-Polymer Composite via Finite Element Method Ke Liu1,2,a, Hitoshi Takagi2,b and Zhimao Yang1,c 1MOE Key Laboratory for Nonequilibrium Materials Synthesis and Modulation of Condensed Matter, School of Science, Xi’an Jiaotong University, Shaan Xi, 710049, PR China 2Institute of Technology and Science, The University of Tokushima, 2-1 Minamijosanjima-cho, Tokushima 770-8506 Japan a: luecole@gmail.com, b: takagi@me.tokushima-u.ac.jp, c: zmyang@mail.xjtu.edu.cn Keywords: Natural fiber composite, Lumen, Finite element method, Thermal conductivity Abstract: In order to evaluate the effect of natural fiber lumen size on the transverse thermal conductivity of the unidirectional natural fiber-polymer composite, a two-dimensional unit cell model of natural fiber-polymer composite was studied using finite element method (FEM).
Introduction In these years, the natural fiber-polymer composites have been considered as a hot spot in material science field due to its’ low density, high specific properties, non-corrosive, biodegradable property and low-cost, compared with those of conventional fiber-polymer composite materials.
The thermal conductivity of composite materials is an important property in many applications, such as heat shield shell of automobiles and airplanes and so on.
By this method, many studies have predicted the microstructure of the composite [11-14], they all simplified the real materials to unit cell repeated like cube, sphere, cylinder and so on.
Sombatsompop: Journal of Macromolecular Science Part B-Physics Vol. 47 (2008), p. 967-85

Natural zeolite is one of the raw materials whose application can reduce the content of cement in concrete.
One of the raw materials which show promise in the production of concrete is also natural zeolite.
Zeolite as a silicate material is compatible with other concrete components.
Colella Natural zeolites, Studies in Surface Science and Catalysis, Volume 157, (2005), p. 33 [5] M.
Yosefi, Effects of natural zeolite on the fresh and hardened properties of self-compacted concrete, Construction and Building Materials, Volume 47, (2013), p. 806 [6] M.

In this paper, the method is optimized and improved, high-quality graphene is obtained, the dispersion stability and antifriction performance of graphene in water are investigated, and lubrication mechanism is preliminary studied. 2 Experimental 2.1 Materials and Prepatation (1) Materials and equipment Expand graphite with an average particle size of industrial-grade 300 mesh was purchased from Qingdao Ouer Company (Qingdao, China).
Ultrasonic cell grinder HN-1000Y and Ultrasonic emulsifying materials disperser HN-1000 were purchased from Shanghai Hannuo instrument Company (Shanghai, China).
Science. 320 (2008) 1308
Journal of Materials Science. 37 (2002) 5283-5290
Frontier Science. 5 (2011) 40-47

Moreover, the piezoelectric element was sandwiched between rubber materials, and the piezoelectric element was made of a PZT-5H material.
Takakura, Solar Energy Materials and Solar Cells, Vol. 92, 371-373, 2008
Sodano, Smart Materials and Structures, Vol. 16, pp.
Beeby, Smart Materials and Structures, Vol. 10, 850-852, 2001
Liu, Microelectronics Journal, Vol. 37, 1280-1284, 2006