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[4] Yaoqian Yang .
[6] Yingxia Tian, Ping Chen.

Yang and T.
Tian, Y.G.

Tian: Angew.
Yang: Dyes and Pigments Vol. 90 (2011), p. 71 [9] S.Z.

Tian and S.
Yang: J.

Liu and G.L.Yang: J.
Wang and C.Tian:Mater.Lett. 62(2008), p.1339 [3] L.Li, W.Wang, H.Liu, X.Liu, Q.

Yang, Solid State Communications 149 (2009) 2135
Tian, R.P.

[2] Weibiuo Fu, Yang Ge.
[7] Yuanyu Tian.
[8] Yiling Tian, Jijun Feng, Ying Qin.

Double Wishbone Independent Suspension Parameter Optimization and Simulation Guang Tian 1,a, Yan Zhang 2,b, Jin-hua Liu 1, Xin-jie Shao 1 1 Mechanical OrdnanceEngineering College, Shijiazhuang,Hebei,China 2 ShiJiaZhuang Vocational Technology Institute, Shijiazhuang,Hebei,China a tgok@163.com, b 81713522@qq.com Keywords: Parameter optimization; constraint ;armored vehicles Abstract.The wheeled armoredvehicle double wishbone independent suspension system, established the double wishbone suspension arm model, and optimized analysis. 
JOURNAL OF PLASTICITY ENGINEERING,2003(4):67-71 [2] Yang Hongqiang,Weng Jiansheng.

Study On New Treatment Technology Of Subgrade Longitudinal Crack In Qinghai-tibet Highway Ming Li1,a ,Xilan Zhi2,b,Le Tian3,c,Shaobo Ren4,d 1 Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Nanerhuan Road, Xi’an, China, 710064; 2 Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Nanerhuan Road, Xi’an, China, 710064; 3 China Railway Fifth Survey And Design Institute Group Co,Ltd.Rong yuan road, Tian jin,China,300384. 4 Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Nanerhuan Road, Xi’an, China, 710064; aemail:xiaocao477218@sohu.com,bemail:gl19@chd.edu.cn,cemail:basimpler@sina.com, demail:renshaobo3964@126.com Keywords: longitudinal crack,qinghai-tibet highway,subgrade diseases,crack propagation,flexible beam,tenon type geomembrane bag Abstract.Longitudinal crack is one of the main subgrade diseases of qinghai-tibet highway and
Instruction The qinghai-tibet highway lies in permafrost regions,cause of the special natural and geographical environment have an impact on the subgrade and the frozen soil below it,leading to the roadbed disease rate is more than the non frozen soil region and have a much bigger scale.Longitudinal crack is one of the major qinghai-tibet highway subgrade diseases,it is usually found in the side of sunny slope of high embankment or dropsical slope toe.The crack length from a few meters to tens of meters,some crack width even can be more than 20cm[1].The causes are mainly composed of embankment heights[2],difference of Yin and Yang slope[3],side slope seepage,dropsical slope toe,and frost heave effect of seasonal active layer caused by black pavement thermal effect.

Tian 1, a , D.W.
Yang and S.F.