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References [1] Deng Xujun: Subgrade and Road Surface Engineering (China Communication Press, Beijing 2002) [2] Zhong Yang, Wang Zheren and Zhang Xiaoning: China Journal of Highway and Transport.
Vol 5(1992),p.40 [3] Sousa, J B, Craus, J, Monismith, C L: Strategic Highway Research Program National Research Council (Constitution Avenue, NW Washington, DC 2001) [4] Stephen F Brown: Achievements and Challenges in Asphalt Road surface Engineering.ISAP-8th International conference on asphalt road surfaces-Seattle (1997) [5] A.G.
K.Panagouli: Journal of Transportation Engineering, ASCE.
Fwa and Zhao Zhe: Journal of Transportation Engineering, ASCE.
Vol 23(2006), p. 27 [12] Sun Lu, Dun Xuejun: China Civil Engineering Journal.

Water resources and Hydropower Engineering, 2002, 33 (12): 26-32
[4] Jiang Tingting, Gao Zhijun, Wang Yunxia, The research of Duncan-Zhang model and its application in engineering[J].
West China Exploration Engineering, 2009 (6): 9 - 11 [5] Leng Xianlun, Sheng Qian, Zhu Zeqi.
Duncan-Zhang model realization and engineering application in the FLAC3D [J].
Journal of geotechnical engineering, 1983.

Study on the Impact of Long-term Immersion on the Shear Strength of Compacted Lime Stabilized Expansive Soils Yun Dong1, 2, a, Weizhong He 1 b and Baotian Wang 2,b 1 Faculty of Architecture and Civil Engineering of Huaiyin Institute of Technology, Huai’an , China. 2 Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Geotechnical Research Institute, Hohai University, Nanjing, China.
Prediction Model of Shear Strength after long-term immersion In practical engineering, we always need the worst-case shear strength during the slope analysis.
Chen, Chinese Journal of Geotechnical Engineering, 3 (2004) 422-424.
Wang, Chinese Journal of Geotechnical Engineering, 6 (2007) 795-799
(in Chinese) [6] JTG F10-2006, Test Methods for Highway Engineering, China Communications Press, Beijing, 2007.

Limit Analyisis of Frame Structure Based on the Elastic Modulus Reduction Method Qiuhua Duan1, a, Yanqing Guo1,b , Dandan Zeng2,c and Yuejing Luo3,d 1Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, GuangxiUniversity, Nanning 530004, China 2Guangxi Electric Power Industry Investigation Design and Research Institute, Nanning 530023, China 3 Guangxi Transportation Research Institute, Nanning 530028, China adqh@gxu.edu.cn, b807041271@qq.com, c zengdd1987@163.com,d4988226@qq.com Keywords: frame structure, the elastic modulus reduction method, limit analysis Abstract.
Introduction It is great significant for design and safety assessment of the engineering that plastic limit analysis of structures [1].
However it is complicated so that this method cannot be used in the engineering application because which is suit for the simple structures not for complex structures .With the development of the computer, the finite element was applied in the plastic limit analysis of structure gradually, and the Elastic-Plastic Incremental Analysis (EPIA) [2] is widely used in the engineering at present.
For limit analysis of complex frame structures in civil engineering, Lufeng Yang etc. developed the elastic modulus reduction method (EMRM) [3,4]by defining the element bearing ratio(EBR) based on the generalized yield criterion of spatial beam element and the strain energy equilibrium principle.
[4] Wei Zhang, Lufeng Yang and Xiaofeng Han: Journal of Hydraulic Engineering Vol. 40(2009), p. 1175-1183, in Chinese

Analysis of Structural Integrity Using an ARTMAP-Fuzzy Artificial Neural Network Adriano dos Santos e Souza1, a, Fábio Roberto Chavarette3,b, Fernando Parra dos Anjos Lima1,c, Mara Lúcia Martins Lopes3,d, Simone Silva Frutuoso de Souza2,e 1Mechanical Engineering Department, Faculty of Engineering of Ilha Solteira (FEIS) 2Electrical Engineering Department, Faculty of Engineering of Ilha Solteira (FEIS) 3Mathematics Department, Faculty of Engineering of Ilha Solteira (FEIS) UNESP – Univ.Estadual Paulista, Av.
Structures Congress 2012 – ASCE (American Society of Civil Engineers). p. 213–224, (2012).

Research on numerical simulation of roadway deformation under the influence of mining Huajun Xue1,a, Junlong Xue1,b, Xiao Xu1,c, Jie Kong1, Ming Liang1 1School of mechanics & civil engineering, China University of Mining and Technology (Beijing), Beijing, 100083, China a296504206@qq.com, b799216685@qq.com, cxuxiaobull@163.com Keywords: Deep-seated roadway in soft strata, Dynamical mining pressure, Stability of roadway; FLAC3D, Deformation damage law.
The gateway of roadway depth of coal mining face is nearly -800m tunnel buried depth, and belongs to the typical deep tunnel engineering.
The law of geostatic stress exists the obvious difference with ordinary underground engineering, mainly shown that the horizontal stress is greater than the vertical stress.
In order to reflect this kind of law in the numerical analysis of coal roadway engineering geostatic stress, this paper uses the rapid stress boundary method (S-B method), used in FLAC3D to simulate initial geostatic tress field in coal roadway engineering[2-3].
FLAC/FLAC3D Foundation with Engineering Examples [M].

Accurate Calculation about Euler Critical Force of Multistep Telescopic Cylinder with Two Different Kinds Support Conditions DU Liang1a, LAN Peng1b, LU Nianli1c 1 School of Mechatronics Engineering ;Harbin Institute of Technology; Harbin, China aDuliang.sme@163.com, bLan_p@sina.com, cN.lu@hit.edu.cn Keywords: multistep telescopic cylinder; vertical and horizontal bending; buckling critical force; buckling characteristic equation; boundary support conditions; Abstract: Variable cross-section telescopic cylinder is the frequently-used member being loaded, which the buckling critical force is variable as the boundary and load condition changed.
Construction Engineering Press.1956 [4] Timoshenko S P, Gere J M.
International Journal for Numerical Methods in Engineering, 1986, 23(9): 1615-1628
Journal of Harbin University of Civil Engineering and Architecture. 2000, 33(4):89-93(in Chinese) [10] Lu Nianli, Liu Shiming, Dynamic stability of stepped columns under the axial resonant force. 2011 International Conference on Advanced Design and Manufacturing Engineering, 2011, 308(9):1389-1394 [11] Li Q S.
Engineering Structures, 2003, 25(10): 1289―1299

Mendes: Journal of Building Engineering Vol. 23 (2019), p. 334
Xavier: Journal of Building Engineering Vol. 19 (2018), p. 342
Pedroti: Journal of Materials in Civil Engineering Vol. 31 (2) (2019), p. 89
Mendes: Journal of Building Engineering Vol. 29 (2020), p. 101156
Monteiro: Journal of Building Engineering Vol. 26 (2019), p. 100869.

Numerical Simulation of Masonry Wall under Explosive Load Inside Juanjuan Liu1, a, Yonggang Lu2,b , Jinsong Lei1,c 1 School of Civil Engineering, Southwest University of Science and Techonlogy, Mianyang 621010, Sichuan, China 2 Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China a314742373@qq.com Keywords: Numerical Simulation Internal Explosion Masonry Wall Abstract: The explosion process of masonry wall under interior explosive load was simulated by adopting the fluid-solid coupling method basing on the software ANSYS/LS-DYNA.
Journal of Engineering Mechanics, 2002, 128: 134-142
International Journal of Impact Engineering, 2010, 37 (11):1150-1159
Journal of Disaster Prevention and Mitigation Engineering.2007,(3):357-362.
Engineering Mechanics,2008,25(5):73-78.

Nonlinear Stability Analysis on Vessels Subjected to External Pressure Zhenchao Teng 1, a and Jing Ji 1, b 1 Provincial key Lab of Disaster Prevention and Reduction Engineering & Protective Engineering, Northeast Petroleum University, Daqing, Heilongjiang,163318, China aTzc0459@126.com, bJijing1977@163.com Keywords: Vessels subjected to external pressure, Geometric nonlinear analysis, Overall stability, Arc-length method.
Therefore, using theoretical formula is reasonable in practical engineering design.
Vol. 36(2009), p. 88(in Chinese) [3] Guodong Ren, Chunyuan Kong and Xiuling Ren: Mechanical Engineering & Automation.
Vol. 11 (2010), p.68 (in Chinese) [4] Xiaodong Xu, Yan Liu and Weiqiang Wang: Journal of Shandong University (engineering science).Vol.39 (2009), p.101 (in Chinese) [5] Wenhua Hao: ANSYS application case in civil engineering (Waterpower Press, China 2005) [6] Jingbo Liu and Xiuli Du: Dynamics of Structure (Mechanical industry press, China 2005) [7] Boming Ding: American pressure vessel normative analysis ASME VIII-1 and VIII-2 (East China university of science and technology press, China 1995)