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It is also worth mentioning that the International Civil Aviation Organization (ICAO), puts the NOx reduction in cruise speed at its priority list.
Materials Technologies Structural materials for high temperature applications have greatly contributed to improve performances of civil and military aeroengines.
Chaboche, Computer Methods in Applied Mechanics and Engineering (2000), pp. 309-330

Properties of Interface Structure Between Ultra-Thin White Topping and Old Concrete Pavement Fangran Zhaoa and Shufang Wangb Airport College, Civil Aviation university of China, Tianjin, China afrzhao@cauc.edu.cn, bshufang7788@yahoo.com.cn Keywords: Concrete Pavement; Ultra-Thin White Topping; Interface; Bond Characteristic Abstract.
[3] Kyong-ku Yun and Young-chan Suh, Journal of Civil Engineering, Vol3.No. 3/September 1999 p233~ 241

Study of intercity travel based on GIS spatial analysis Mou Zhenhua1,a, Li Meiling1,b, Cui Dongxu1,c 1Department of Traffic Engineering, Shandong Jianzhu University, Fengming Rd., Lingangnan District, Jinan, China, 250101 amouzhenhua@163.com, blimeilinglml@163.com, cc-a-u@163.com Keywords: Guangzhou and Foshan integration; intercity travel; travel characteristics; spatial distribution Abstract.
From the career view, the students, retired and civil servants had higher split of metro mode than other career groups; and the enterprise managers, teachers and freelancers liked private car driving mode more than others; the peasants and unemployed used the intercity bus most; the characteristics all had inseparable relationship with the professionalism.
From career view, the one who have more free time is more likely to take a leisure travel, such as the students, civil servants and retired man; the professional technical persons take intercity travel mostly in the purpose of commuting and business.

Research of AMU Unit Fault Testability Based on Multi-signal Modeling and Fuzzy Decision Dexin Zhou1, a, Mingyu Song1,b and Tengda Ma1,c 1 Aeronautical Automation College, Civil Aviation University of China, Tianjin, China a dxzhou@cauc.edu.cn, b mingyuandya@126.com, c kainniak@126.com Keywords: fault analysis; Multi-signal flow graphs; dependency matrix; trapezoid fuzzy number; diagnosis algorithm Abstract.
Acknowledgements Project supported by the National Natural Science Foundation of China (Grant No. 61179044) and the Key Scientific Research Project of Civil Aviation University of China (Grant No.
Systems Engineering and Electronics, 30 (2008) 2274-2286

Candidate at Civil Engineering Department, University of Mosul, Mosul, Iraq. 2Civil Engineering Department, University of Mosul, Mosul, Iraq 3Civil Engineering Department, University of Baghdad, Baghdad, Iraq aahmed.najm@dpu.edu.krd, bdr_salah53@yahoo.com, cmahmoud_baghdad@yahoo.com Keywords: Gypseous soil, artificial neural network, collapse potential, reliability analysis, uncertainty, Monte Carlo Simulation, probability of failure Abstract.
Journal of Engineering Science and Technology, 15, (2020) 1236-1256
Wang, Reliability Analysis in Engineering Applications, Van Nostrand Reinhold, New York, (1992)
[12] U.S Army Corps of Engineers.
Engineering and Design: Introduction to Probability and Reliability Methods for Use in Geotechnical Engineering, Washington DC, (1997)

Bending and Free Vibration Analysis of Functionally Graded Sandwich Pile on Elastic Foundation Using Rayleigh-Ritz Method Nair Khiloun1,a*, Noureddine Elmeiche1,b, Hichem Abbad1,c, Ismail Mechab2,d 1Civil and Environmental Engineering Laboratory (LGCE), Department of Civil Engineering and publics’ works, Faculty of Technology,DjilaliLiabes University, BP89 Avenue ben M’hidi, 22000 Sidi Bel-Abbes, Algeria 2Laboratory of Mechanics and Physics of Materials (LMPM), Department of Mechanical Engineering, Faculty of Technology, DjilaliLiabes University, BP89 Avenue ben M’hidi, 22000 Sidi Bel-Abbes, Algeria anair.khiloun@univ-sba.dz, bnoureddine.elmeiche@univ-sba.dz, chichem.abbad@univ-sba.dz, dismail.mechab@univ-sba.dz *Corresponding author: Nair Khiloun nair.khiloun@univ-sba.dz Keywords: Static and dynamic loading; Winkler -Pasternak elastic foundation; High-order theory; Rayleigh-Ritz method; Sandwich functionally graded material.
Introduction Piles are structural elements that are commonly used in Civil Engineering as deep foundations for large structures, such as nuclear power plants, bridges, towers, offshore structures, and even in situations where the soil surface layers present poor mechanical characteristics.
The study of the behavior of cylinders in free vibration is of particular interest in production engineering and product design.
It should be noted that, before using these cylinders, a theoretical analysis was conducted by several researchers in order to calculate their dynamic characteristics, such as vibration frequencies, buckling and stability, and also to help engineers to avoid possible damage or failure of structures due to harmonic excitations.
Soil Dynamics and Earthquake Engineering, 103(2017), 15–20

The Correlative Analysis of Testing Results of Dynamic Compaction Gravel Clay Foundation Tongfa Deng 1, a, Zhouming Wu1,b, Yue Gui 2,c, Sihai Luo 1,d 1Jiangxi University of Science & Technology, GanZhou,Jingxi 341000,China 2 College of Civil Engineering, Kunming University of Science and Technology, Kunming,Yunnan, 650051,China adbdtf@163.com, b 414255150@qq.com, c treq2010@163.com,ddrsoil@163.com, Keywords: Dynamic Compaction, Plate Load Test（PLT）, Standard Penetration, Dynamic Penetration, Correlative Analysis Abstract.
Geotechnical Engineering World,2007,10(8):67-68.
(In Chinese) [4] The Standard of the Ministry of Communications .Geologic Investigation Code for Port Engineering(JTJ240-97),1998.
(In Chinese) [6] Editorial Committee of Engineering Geological Manual .
Engineering geological manual (The Fourth Edition) [M]．Beijing：China Architecture & Building Press, 2006.

Nowadays, fifty percent of the civil large aircraft engine fan cases employ fiber winding enhance containment structure which were first used in type CF6-80C2 engine manufactured by GE company.
Roberts: Journal of Aerospace Engineering Vol. 22 (2009), p. 270 [25] C.
Binienda: Journal of Aerospace Engineering Vol. 25 (2011), p. 383 [28] X.
Littell: Journal of Aerospace Engineering Vol. 22 (2009), p. 310 [29] L.
Dorbala: Journal of Aerospace Engineering Vol. 22 (2009), p. 260 [31] M.

BIM owns single data resource, it can solve the consistency problem between distributed, heterogeneous engineering data and the global shared matter, it also supports dynamic engineering information creation, management and sharing of the project’s life-cycle.
Power grid regulation also needs multi-dimension visualization. ④　 During the planning, design and construction stage, both construction engineering and power grid regulation need to draw lots of paintings. ⑤　 Construction engineering requires that BIM can be used during every stage, similarity; power grid regulation needs a persistent information model to ensure whole life persistent management applications.
In this BIM configuration, the building of power grid BIM actually equals to power to the whole life period engineering data accumulation, expansion, integration and application process.
The 14th national engineering design computer application academic conference proceedings. 2008
The civil engineering department of tsinghua university, Ma Zhiliang.

Advances in Civil Engineering, Volume 2016 (2016), Article ID 2604232, 14 pages, http://dx.doi.org/10.1155/2016/2604232 [3] Luible A, Crisinel M (2004).
Journal of Structural Engineering, 137(8): 803-810 [5] Bedon C, Amadio C (2015).
Engineering Structures 73(8): 85-99 [7] Foraboschi P (2009).
Engineering Structures, 79: 322-340 [10] Kalamar R, Bedon C, Eliášová M (2016).
Engineering Structures, 75: 457-46