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Currently, the engineering change mainly issued by paper files artificially.
Engineering Change Implement Process of Assembly Field.
According to engineering change files from design unit, engineering department of assembly unit revises or directly transmits them to field.
Assembly-field Engineering-change Implement Process Model (AEIPM).
Acknowledgment The research is supported by the “National Science Foundation of China” (Project No.: 50805122) and “Digital Assistant Tools and Application Technology Research for Civil Aircraft Maintenance”.

Construction Method of Low Temperature Welding for Large-Span Steel Truss Beam Structure Wen-zhong Duan 1,a, Lin Li2,3,b, Jian-ping Han2,3,c, Jun Zhou4,d Chang-sheng Xiang 2,3,e 1Construction Supervision Company of Gansu province, Lanzhou, China, 730000 2School of Civil Engineering, Lanzhou University of Technology, Lanzhou, China, 730050 3 Northwest Center for Disaster Mitigation in Civil Engineering, Ministry of Education, Lanzhou 4Gansu Sixth Construction Group Co., LTD, Lanzhou, China, 730050 adwz2008@sina.com,baox97818@163.com, chanjp@lut.cn, d316216853@qq.com, exiangcs@lut.cn Keywords: Construction Method, Low Temperature Welding, Welding parameters, Preheating, Post-heating Abstract.
Introduction In recent years, with expansion of the Western Development plan, the construction task of infrastructure such as railway, highway, civil engineering is relatively huge and urgent, so construction is often in the winter, while the weather of a year in the wide Northwest China is mostly in cold and heavy sandstorm, the characters of alpine region such as low oxygen level and large temperature difference usually bring considerable difficulties to the steel structure construction, and great influences to construction period of a project.
Therefore, in view of the key point and the difficulty of the steel truss and steel beam engineering welding, theoretical analysis of welding conditions must be considered to guide the determination of welding parameters and welding procedure qualification.
Because of the high carbon content in steel, harden quenching trend is increased, the carbon content of martensite is also improved, cracking tendency with low heat input will increase, embrittlement at overheating zone also become serious, so high line energy in engineering is perfected. 2) Preheating.
(In Chinese) [3] Test report for low temperature welding construction technique of Large-span steel truss structure, Experimental Center of Civil Engineering, Lanzhou University of Technology. 2009.5 [4] Tensile test method on Welded Joints (GB/T2651-1989), China Standard Press

Introduction The reinforced concrete is currently the most widely used material in civil engineering.
Hamelin, Contribution to direct tensile testing of textile reinforced concrete (TRC) composites, Materials Science and Engineering A 528 (2011) 8589-8598
Steinigen, Analysis of textile-reinforced concrete structures under consideration of non-traditional uncertainty models, Engineering Structures 29 (2007) 3420-3431
Voss, Investigations on the bearing behaviour and application potential of textile reinforced concrete, Engineering Structures 30 (2008) 2050-2056
Kynclova, Environmentally effective waffle floor structures from fibre concrete, in: Proceedings of the 8th fib International PhD Symposium in Civil Engineering, Department of Civil Engineering, Technical University of Denmark, Lyngby, 2010

Selection of Hot Water Supply Metering Devices for Residential Buildings Viktor Pukhkal1,a*, Boris Jurmanov2,b 1,2Saint Petersburg State University of Architecture and Civil Engineering, Vtoraja Krasnoarmejskaja ul. 4, St.
[2] Puchkal, V.A., Analysis of residential buildings’ heat consumption for heating and ventilation according to the data from heat measuring devices (2012) Bulletin of Civil Engineers, 3(32), pp. 184–188
[3] Popov, M.I., Effectiveness of primary energy usage at energy supply of Moscow residential areas (2012) Bulletin of Civil Engineers, 2 (31), pp. 197–200
Investigation of measures with the purpose of increasing the energy efficiency of HWS system (2012) Bulletin of Civil Engineers, 4(33), pp. 188–192
Postroyeniye raschetnykh grafikov vodopotrebleniya [Plotting of rated water consumption diagrams] (1970) Sanitary Engineering, pp. 27-32.

Research on Corrosion Characteristics of Stainless Steel Bar in Stray Current and Chloride Ion Coexisted Environment Gang Xu 1,a, Hong-fang Fei 1,b, Yi-min Wang 1,c, Qing Wang 2,d 1College of Civil Engineering & Architecture,China Three Gorges University, Yichang,443002 ,China 2School of Civil engineering & Architecture, Central South University, Changsha, 410075, China apostxg@163.com,bfeihf_0915@163.com,c513561979@qq.com,dpostwq@163.com Keywords: stray current; corrosion; the stainless steel; concrete Abstract: Based on the method of electricity migration, the characteristics of the stainless steel in concrete structure are researched on in stray current and chlorate coupling environment.
In order to prolong natural life of structure, Academic and civil engineering field put forward various ways to prevent and postpone the steel corrosion, thereinto, the use of stainless steel is becoming the preferred reliable method [1-3], it can be ensured that the concrete structures resist the severe erosion effectively.
Acknowledgement This work is supported by Major Scientific and Technical Project of Ministry of Railway (No. 2008G031-18), Open Foundation of National Engineering Laboratory for High Speed Railway Construction and the Key Scientific Research Project of Hubei Education Department of China (No.
[4] Academy of engineering in china civil irrigation and hydropower,in:CCES0122004 Design and contruction direction to concrete structure durability,edtied by Xi’an Construction Industrial publishing company in China (2004)
[7] In:JTJ 270-98 Testing code of concrete for port and waterway engineering,edited by People Traffic Publishing

Mermerdaş, Microstructural properties and pozzolanic activity of calcined kaolins as supplementary cementing materials, Canadian Journal of Civil Engineering, 39(2012), 1274-1284
Singhal, Effect of fibre reinforcing index on compressive and bond strengths of steel fibre reinforced concrete, Journal of the Institution of Engineers, India, Civil Engineering Division, 77(1996), 37-40
Ray, Tensile strength of steel fibre reinforced concrete, Journal of the Institution of Engineers, India.
Civil Engineering Division, 69(1989), 222-227
Ramaswamy, Mechanical properties of steel fiber-reinforced concrete, Journal of Material and Civil Engineering, 19(2007), 385-392

Fire and it is grown in a fire zone Michaela Jurickova1, a*, Imrich Mikolai2, b 1 Slovak University of Technology in Bratislava, Faculty of Civil engineering, Radlinského 11, Bratislava 813 68, Slovak Republic 2Slovak University of Technology in Bratislava, Faculty of Civil engineering, Radlinského 11, Bratislava 813 68, Slovak Republic amichaela.jurickova@stuba.sk, bimrich.mikolai@stuba.sk Keywords: fire dynamic simulation, fire, validation, water sprinkler system, radiation Abstract.
The correct installation and appropriate choice of active fire protection is usually part of building simulation as a first part for good engineering project.
ISBN 80-247-1329-2 [2] Information on: svf.uniza.sk/kskm/web/prednasky/bc/znzk/13_Poziar.pdf>, [cit. 29.12.2012, 10:29 [3] WALD F., Load of construction by ČSN 1991-1-2:2004, Department of Building Structures, Faculty of civil engineering, ČVUT in Prague. 2007. 9 p
Department of Building Structures, Faculty of civil engineering, ČVUT in Prague 8 p
Kerber, Fire Engineering Protection, The NIST Station Nightclub Fire Investigation

Static Analysis of Gravity Dams Considering Foundation-Structure Interaction Margaret Abraham1, a*, Bennet Kuriakose2,b and Reni Kuruvilla1,c 1Department of Civil Engineering, Mangalam College of Engineering, Ettumanoor – 686 631, India. 2Department of Civil Engineering, Indian Institute of Technology Madras, Chennai - 600 036, India.
Lotfi, Seismic analysis of concrete gravity dams by decoupled modal approach in time domain, Electronic Journal of Structure Engineering. 3 (2003) 102-116
Shaik, Finite Element Modeling and Seismic Response Evaluation of Large Concrete Gravity Dams, International Journal of Emerging Engineering Research and Technology. 2 (2014), 178-186
Bekkouche, Dynamic Soil Structure Interaction Study, Jordan Journal of Civil Engineering. 6 (2012) 161-173
Awari, Effect of Soil Structure Interaction on Gravity Dam, International Journal of Modern Trends in Engineering and research. (2015) 2349-9745.

Collapse Cause Analysis And Treatment Research Of West Slope Tunnel Huimin Wang1 , Huajun Guo2 1.School of civil engineering , Shandong Polytechnic ; Ji'nan 250104,China 2.School of civil engineering , Shandong Jianzhu University; Ji'nan 250101,China wlmhan@163.com guohuajun0902@126.com Keywords: tunnel; collapse cavity; Secondary lining; steel frame; construction.
It is important in engineering application.
It is worth promoting in the engineering field.
[2] Yicai Wang.Tunnel Engineering.
Journal of civil engineering; 25 ( 6 ) ; 73 ~ 75

Vulnerability analysis of existing buildings under seismos Xianhong Meng1,a , Guozhi Yang1,b School of Civil Engineering, Shenyang Jianzhu University, Shenyang China, 110168 a cexhmeng@sjzu.edu.cn, b yangctrlx@163.com Keyword:Structural vulnerability, Existing buildings, Nonlinear static method, Risk Assessment Abstract.By studying the structure of vulnerability analysis and abroad , on their respective merits and defects were compared and analyzed to select the best of vulnerability research methods.
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