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Acknowledgment This work is supported by the national ministry of science and technology project 863 (No. 2006AA04Z433), all support is gratefully acknowledged.
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Design and Experiment Study of Synchronized Grouting Material Ratio.
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The value of lgγ is decided by contacting object material.
If the material is unchanged, the value of lgγ is fixed.
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Structure and material parameters are shown in Table 1.
Pavement structure and material parameters Structure layer Thickness(m) Elastic modulus(MPa) Poisson ratio concrete pavement 0.36 36000 0.15 cement stabilized macadam base 0.40 1500 0.25 foundation 13.0 60 0.35 Aircrafts selection and main landing gear configurations Aircrafts which load same but significantly differ in main landing gear configurations are selected from common airliners and they are acted on pavement.
Acknowledgements This work was financially supported by the National Science Foundation of China (grant No. 51178456) References [1].Qiaosheng Li, Derong Wang .Response analysis of a cement concrete pavement structure with multi-wheel loading [J], Journal of Vibration and Shock2010, 29 (2): 75-78(In Chinese) [2].Daoxin Wei.
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Mechanical responses of rigid airport pavement to multiple-gear military aircraft loadings [J], China Civil Engineering Journal, 2007, 4(4):60-65.

Journal of engineering survey, 2012, (1)
Journal of building materials and decoration, 2013, (21) [5] Haiqing Liang.
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With material and geometry nonlinear factors considered, the structural maximum deformation is investigated until it increases suddenly.
Tab.1 Members of the structure with 90m span and 11.25m rise members f/L material types 1/10 1/8 1/6 upper structure Φ225×8.5 Φ210×8 Φ195×7.5 Q235 struts Φ89×4 Φ89×4 Φ89×4 Q235 radical cables 6×19Φ18.5 6×19Φ18.5 6×19Φ18.5 7Φ4 hoop cables 6×19Φ24.5 6×19Φ24.5 6×19Φ24.5 7Φ4 (a) Upper reticulated shell (b) Hoop and radical cables Fig.1 Node numbers in the numerical model Figure 2 shows structural configurations for different A.
Acknowledgements National Natural Science Foundations of China（50768001） References [1] Mamoru Kawaguchi, Masaru Abe, Ikuo Tatemichi.Design, Tests and Realization of 'Suspen-dome' System[J].Journal of the IASS,1999,40(131),179～192 [2] Shi Jie.
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Extraction of copper and cobalt from nickel chloride solution with N235 Xuejiao Zhoua, Wentang Xiab, Jianguo Yinc School of Metallurgical and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China azxj040203017@126.com, bwentangx@163.com, cyjg06@163.com Keywords: solvent extraction; nickel chloride; copper; cobalt Abstract: Copper and cobalt were extracted from nickel chloride solution with N235.
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There are lots of materials obtained by theoretical research and earthquake damage investigation.
Acknowledgments Thanks for the support by the Natural Science Foundation of Heilongjiang Province(A2004-07) and the Basis Research Foundation of Harbin Engineering University(HEUFP05007).
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[4] Li HongLiang, Liu DianKui: Interaction of SH-Waves by Cracks with Circular Inclusion(in Chinese).Journal of Harbin Engineering University, Vol.25,No.5,p.618-622(2004)
Journal of Harbin Engineering University, Vol.27,No.4,p.514-518(2006).

In recent years, ramie fiber of bast fiber crops natural textile materials is becoming more and more important in our country [2-3].
References [1] Chen Xiongwei: Journal of China MaYe Science Vol. 29 (2007), p. 77 [2] Jiang Fanchang: Journal of Ramie Textile Technology Vol. 10 (1995), p. 3 [3] Sunlin: Journal of Chemical Fiber and Textile Technology Vol. 2 (2004), p. 20