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Correlation of Humidity and Mechanical Properties of Different Grades of RT-PMMA MAT JALI Norazrina1,a*, ADNAN Mohd Firdaus2,b, LONGERE Patrice3,c 1Department of Aeronautics Engineering and Avionics Engineering, Faculty of Engineering, National Defence University of Malaysia, Kem Sungai Besi,57000 Kuala Lumpur, Malaysia 2Department of Mechanical Engineering, Faculty of Engineering, National Defence University of Malaysia, Kem Sungai Besi,57000 Kuala Lumpur, Malaysia 3Universite de Toulouse, ISAE-SUPAERO, ICA (CNRS 5312), 31400 Toulouse, France a*norazrina@upnm.edu.my, bfirdausadnan@upnm.edu.my, cpatrice.longere@isae.fr Keywords: RT-PMMA, humidity, toughness Abstract.
Indeed, PMMA can be used in nanotechnology, particularly in electronics, medicine, civil engineering, mechanical engineering, telecommunications (fiber optics), marine engineering, aeronautics, aerospace, consumer goods industries, etc. [1-7].

Preliminary Ideas of the Metro Station Constructed by Shield Tunneling Method Combined with Prefabricated Method Huifeng Su1, 2, a,Weining Liu1,b and Fuchun Liu3, c 1School of Civil Engineering, Beijing Jiaotong University, Beijing 100044,China 2Shandong University of Science and Technology, Qingdao, Shandong 266590,China 3China Railway 19th Bureau Group 2nd CO., LTD, Liaoyang, Liaoning 111000, China ashf7521@163.com,bwnliu@bjtu.edu.cn,c545896556@qq.com Keywords: Shield method, Prefabricated, Metro station, Joint, Standardize Abstract.
The other key point is the installation work in engineer especially the effect of waterproof.
Dailing Hong, in: Tunnel and Underground Engineering, 2000(l):33-39.
In: Chinese Journal of Rock Mechanics and Engineering, 2004.23(9). 1574-1577.
[24] Ning Yu, Yanhui Bai, Hehua Zhu. in: Chinese Journal of Underground Space and Engineering. 2009.5(3).439-444.

Introduction As the powerful finite element analysis software, ABAQUS [1, 2] has been widely used recently in geotechnical engineering.
Acknowledgements This work was supported by Kwang-Hua Fund for College of Civil Engineering, Tongji University (0200165023) and Innovation Program of Tongji Younger Scholar (2010KJ047).
[2] FEI Kang: ABAQUS in geotechnical engineering (Beijing China Water Power Press 2010)
Geotechnical Engineering Technique.2002, p. 45 (in Chinese) [9] D.
Chinese Journal of Rock Mechanics and Engineering Vol. 18(1999), p. 327 (in Chinese)

Effect of Computational Patterns of PCA on Moving Force Identification Ling Yu1-2, a and Junhua Zhu1,b 1Department of Mechanics and Civil Engineering, Jinan University, Guangzhou 510632, China 2 Key Laboratory of Disaster Forecast and Control in Engineering, Ministry of Education of China, Jinan University, Guangzhou 510632, China alyu1997@163.com, bolive819012@163.com Keywords: Moving Force Identification (MFI); Principle Component Analysis (PCA); Time Domain Method (TDM); Structural Health Monitoring (SHM) Abstract.
Chan, Engineering Structures, 26(8): 1143-1153 (2004)
Asnachinda, Engineering Structures, 29(9): 2282-2293 (2007)
Yung, Engineering Structures, 22(11): 1529~1537 (2000)
Engineering Mechanics 127(2); 136-148 (2001)

Inner Damage and Anti-Chloride Penetration of High-Performance Concrete under Axial Tensile Load JIANG Fu-xiang1,2, a, XIN lei3, b, ZHAO Tie-jun1,c, WAN Xiao-mei1,d 1 School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China 2 Xi’an University of Architecture & Technology, Xian, 710055, China 3 Beijing Shenhuada traffic engineering detection Co., LTD, Beijing 105508, China a jfxwyt@163.com, b xin_lei12@163.com, cztjgp@263.net, d wanxiaomeiqj@126.com Key words: high-performance concrete; uniaxial tensile load; damage; total porosity; chloride penetration Abstract: The total porosity of high performance concrete specimens after different level uniaxial tensile loading were measured to reflect the damage degree of mechanical load to the microstructure of the concrete.
Therefore, it is very important and significative to research on chloride permeability under load, which can reflect the durability of practical engineering more truly.
Experimental 2.1 Raw materials and mix proportion All of the raw materials used in this experiment study were from an important coastal concrete engineering.
Then free chloride content of the obtained concrete powder has been determined analytically according to Chinese specifications for Concrete Construction of Port and waterway Engineering (JTJ270-98)[10]. 3.
Science Press (2009), in Chinese [10] Test Code of Concrete for Port and Waterwog Engineering (JTJ270-98) [S].

Analysis of Heat Exchange Efficiency During the Spray Cooling Process GuanNan Liu1,2,a, Feng Gao2 , DangYu Zhang3, GenFu Liu3 1School of mechanics & civil engineering,China University of Mining & Technology,Xuzhou,Jiangsu,221116,China 2State key laboratory for geomechanics and deep underground engineering, China University of Mining & Technology,Xuzhou,Jiangsu,221008,China 3Jizhong energy resources CO.
Therefore, the diameter of spray droplet often takes around 0.5mm in engineering.
Lu: Introductory Theory for Powder Engineering.
Energy engineering, Vol.3, pp.56--57(2007) [8] Z.
Beijing: the engineering thermo physical research institute of the Chinese Academy of Science, (2006) [9] W.J.

China 3 School of Civil Engineering, Beijing Jiaotong University, PR.
In our research, the way to synthesize time history is that suggested by the code of Evaluation of Seismic Safety for Engineering Site (GB17741-2005) in China.
:Journal of Structural Engineering Vol.8 (1987), p1709 [4] Baez, J.I. and Miranda, E.: Proceedings of 12WCEE, Auckland, New Zealand, Paper No. 1561 (on CD) (2000) [5] Bertero, V.
On Earthquake Structural Engineering, St.
Blume Earthquake Engineering Center, Stanford, California, 177(1997)

Risk Sharing Research Based on Utility Theory in Urban Rail Transit of BT Mode Jingjing Liu School of Civil Engineering and Architecture, Wuhan Polytechnic University 36957703@qq.com Keywords: BT mode; Utility theory; Urban rail transit; Risk sharing Abstract.
Refers to the natural environment factors hinder the BT project implementation, including special unforeseeable engineering geological conditions and the occurrence of force majeure event.
Project risk sharing is part of the project risk management .After recognized and analyzed the entire risk of a engineering project, according to the certain risk allocation principle, Each risk will be assigned to the project participants fairly and reasonably.
We can use mathematical methods to discuss the engineering actual cost of sponsors and contractors under the condition of the different risk ratio, Can also discuss the actual cost in the case of both sides have different voice.
Discussion of risk sharing in engineering project contract [J], Journal of Tianjin University (Social Science Edition), 2003(7): 257-261 [5] Liu Xinping,Tu Shouqing.The PPP project risk allocation principles and framework [J], Building economy, 2006,(2):59-63

First Vice-Rector of Moscow state university of civil engineering (National research university, MSUCE) Moscow, 129337, Yaroslavskoye shosse, 26, volkov@mgsu.ru Keywords: cybernetics, artificial intelligence, homeostat, Intelligent Building, building management.
General information model of the object (building) General information model of the object (building) is the knowledge on design, engineering, technical, technological and other elements of the building and its elements, formalized in terms of describing the object (building) as target control object.
Directions of the engineering solutions On the basis of general information models (as usual in the paper – in a cybernetic sense) it is expedient to construct the partial mathematical models of the building control on the basis of the introduction of engineering solutions of the two main categories[1-10]: · intelligent automation objects (buildings) is a set of original technical, technological and other solutions and information supply directed at the implementation of an acceptable set of functions of the target control process with observed functional and technical characteristics of the building and its elements; · active safety of objects (buildings) is a set of properties of the building and its components on the basis of original technical, technological and other solutions aimed at the reduction of the probability of emergency situations and/or their localization.
System engineering numerical representation of the quality parameters living and working environment.
System engineering numerical representation of the quality parameters living and working environment.

The Influence of the Chassis’ Parameters on the Truck Vibrations Transmissibility STAN Cornelia 1, a, IOZSA Daniel 1,b and OPREA Razvan Andrei 2,c 1Automotive Engineering Department University Politehnica of Bucharest, Splaiul Independenţei nr. 313, 060042, Bucureşti, Romania 2Railway Vehicles Engineering Department University Politehnica of Bucharest, Splaiul Independenţei nr. 313, 060042, Bucureşti, Romania acorraista@yahoo.com, bd_iozsa@yahoo.com, crazvan.oprea@upb.ro Keywords: FEM, vibration transmissibility, truck structure, frame modal analysis, engine mounting system.
Department of Mechanical Engineering, University of Leeds LS2 9JT, 1994
[2] Zaman &Bujanget all, Application of Dynamic Correlation Technique and Model Updating on Truck Chassis, in the proceedings of the 1st Regional Conference on Vehicle Engineering&Technology, 2006, pp. 53-59
Vivekanandhan, Static and Model Analysis of chassis by using FEA, in the Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, 2013, pp. 252-271
Patil el al, Stress Analysis of Automotive Chassis with Various Thicknesses, IOSR Journal of Mechanical and Civil Engineering. 6, 1 (2013) 44-49