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., and Yang, L. (2008) Electromagnetism Method of Stress Measurement in Steel.
[4] SHAO, Y., GE, Y., KE, S., YANG, Y.S.O.C., Hefei, U.O.T., Hefei, China, State, K.L.F.D., Tongji, U., Shanghai, and China. (2012) Theoretical research on the aerodynamic stability of super-longspan suspension bridge with a main span of 5000m.
[9] Yang, L. (2011) Analysis of Reliablity of the Longevity of Suspension Bridges with Wind-caused Buffeting Fatigued Cables.
[10] Tian, Q. (1999) Acoustic Detecting and Mornitoring System for Wire Frature in Main Cables of Suspension Bridges.

Yang: J.
Tian: J.
Yang: J.
Yang and S.L.

Yang and D.
Yang, Q.
Yang, X.
Tian, Z.

Introduction The structural design of flat-slab,column foundation,pile cap and etc,are related to the punching strength of concrete slabs,but due to the complexity of the problem,people's cognition of punching failure mechanism are not consistent.Therefore,further research in this area is very necessary.In recent decades,with the development of concrete strength theory,the study[1-5]on the punching shear failure mechanism of slabs is also further deepened.For example,Nielson[6], Juhong Han[7-9]and etc,modifying Mohr-Coulomb theory to study the problem of the punching shear failure,obtained the shape of punching failure surface and the upper limit value of punching failure load.By adopting the twin shear stress theory with two parameters,Zongda Yan [10]gained the calculation method of axisymmetric punching failure load.Anbao Wang, Xiumin Yang[11]and etc,applied twin shear criterion with three parameters on analysis of the punching strength,gaining the upper limit value of axial symmetry
analysis of concrete slab based on the three-parameter unified strength theory.Chang’an University 2011 [4]Hong-Gun Park.Strain-based strength model for direct punching shear of interior slab-column connections.Engineering Structures 2011;(33):1062~1073 [5]Moreno,Carlos L.Punching shear analysis of slab-column connections.Engineering Computations 2013;(30):802~814 [6]Nielsen，M.P..Limit Analysis and Concrete Plasticity.Prentice Hall.Inc..Englewood Cliff 1984 [7]Juhong Han,Ziqiang Ding.Experimental Research on Punching Strength of Reinforced Concrete Slab supported on Four Sides.Journal of building structures 1994;(06):39-48 [8]Juhong Han,Ziqiang Ding,Experimental Investigation of shear Strength of two-way Reinforced Concrete Simply Supported Slabs.Journal of Zhengzhou Institute of Technology 1995;(01) [9]Juhong Han,Ziqiang Ding.Experimental Investigation on shear properties of Reinforced Concrete Simply Supported in one-way.Industrial Construction 2001;(02):18-20 [11]AnbaoWang,Xiumin Yang.Axisymmetrical
punching strength of concrete slabs.Building Science 2000;(05):17-19 [12]Maohong Yu.Strength Theory and Its Applications.Higher Education Press 2002:100-112 [13]Maohong Yu.Linear and Nonlinear Unified Strength Theory.Chinese Journal of Rock Mechanics and Engineering 2007;(04):663-669 [14]Xueying Wei,Zheng Yang.Solution of Axisymmetrical Punching Strength of Concrete Slabs with the Unified Strength Theory.Engineering Mechanics 2002;(05):92-96
[15]Wenxiu Tian,Junhai Zhao.The Punching Strength of Reinforced Slabs consideration in the action of Reinforced bars.Structure and Environment Engineering,2007;(05):36-41 [16]Menetrey P.Analytical computation of punching strength of reinforced concrete.ACI Structural Journal 1996;93(2):503~511 [17]Theodorakopoulos,D.D,Swamy,R.N.Ultimate punching shear strength analysis of slab-column connections.Cement and Concrete Composites 2002;(24):509~521 [18]Faxuan Xu.Experimental Research on Pushing Shear Bearing Capacity of Concrete Slab with Shear Reinforcement.Zhengzhou University 2007

Tian: Agricultural Mechanization and Electrification, Vol.2(2007), pp.3-5
Yang, L.
Yang: Computer and Information Technology, Vol.2(2008), pp.14-17
Yang: Computer Engineering and Applications, Vol.6(2009), pp.197-200.

Reference [1] Chengzhi Yang.
[4] Zhongqiang Tian, Chunyan Sui, Guozhuang Wang.
[7] Puhua Yang, Chengzhi Yang.

Form the XRD diffraction pattern in Fig. 3, this phase can be identidied as Al13Cr2 phases, which was previously found in the study of Yang et al. [9] that the FeCrNiCoMnAl high-entropy alloys were hot dipped in molten Al.
Tian, L.K.
Yang, H.
Yang, W.T.

Yang: IEEE Transactions on IP Vol.18 (2009), p. 1665-1670
Tian, J.
Yang: EURASIP Journal on ASP Vol. 4(2004), p. 480-494
Yang, X.

References [1] Yang Xiu-yuan,,Xiao Yang, Chen Shuyong.
[13] Yang Li-cai , Jia Lei , Kong Qing-jie Forecasting model using rough sets and orthogonal wavelet networks[J], School of Cont rol Science & Engineering ,,2005,27(8):1463-1466 [14] Chen Zhe, Feng Tian-jin, and Zhang Hai-yan chaotic time series analysis and phase space reconstruction based on wavelet neural network[J], journal of computer research &development 2001, 38(5):591-596 [15] Liu Zhi-gang, Wang Xiao-ru.

Experiment Study on Electronically controlled high pressure common rail Diesel Engine Fueled with Biodiesel[J].Automotive Engine 2010,187（4） [3] Xiaojun Jing,Yujiu Feng,Donglian Tian,Jidong Gao.
Automobile Engineering 2009（2） [4] Guisheng Chen,Yinggang Shen,Yang Lan,Jiaqing Wei,Wei Zhang.
[5] Lizhong Shen,Yongzhong Yang,Jilin Lei,Yuhua Bi, Wensheng Yan, Yujun Yan,Study on Turbocharged inter-cooled diesel engine performance and emission at different altitudes[J].Journal Of Internal Compustion Engine, 2006,24（3）:25-30 [6] Agarwal AK．Biofuels (alcohol and biodiesel) applications fuels forinternal combustion engines．Progr Energy Combust Science，2007