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Online since: October 2013
Authors: Chang Chang Wu, Miao Fu, Jian Bin Xie, Jing Fan, Deng Feng Hu
Numerical Simulation on the Temperature Field of Steel 1045 Quenched by Different Hardening Media Jianbin Xie1,a, Changchang Wu1,b, Jing Fan2,c, Miao Fu1,d and Dengfeng Hu1,e 1Department of Civil Engineering, Yunnan University, Kunming, 650091, Yunnan, P.R.China 2School of Electronic and Information Engineering, Yunnan University Nationalities, Kunming, 650031, Yunnan, P.R.China akmxiejb@sina.com, bynucc@sina.com, cfanjing9476@163.com, dynufm@sina.com, ehdf1988@sina.com Keywords: Steel 1045, Temperature Field, Quenching, Different Hardening Media Abstract.
Therefore, this technique is easy to realize in the application of engineering.
[2] Lijun Hou, Heming Cheng, Jianyun Li, Ziliang Li, Baodong Shao, Jie Hou: Procedia Engineering, Vol.31 (2012), p.515- 519
[6] M.Qin: International Heat Treatment and Surface Engineering, Vol.2, No.3/4(2008), p.116- 120
Online since: December 2013
Authors: Xiao Ning Zhang, E. Yang
In the engineering practice, usually 20%-40% TLA was mixed into modified asphalt on the pavement concrete, and 50%- 70% TLA was used for the bridge deck pavement.
The high temperature rheological performance indexes were studied and these results would be very helpful for the Engineering practice in China. 1 laboratory test This test used Thailand Tai Puke 70# asphalt, CR 90# as base asphalts.
Conventional indexes are implemented based on the provisions of T0604-2000 and T0606-2000 from “Highway Engineering asphalt and asphalt mixture testing procedures” (JTJ052-2000).
It is important to choose reasonable content of TLA to meet the engineering needs.
[8] Highway Engineering asphalt and asphalt mixture testing procedures for(JTJ 052-2000).
Online since: July 2014
Authors: Shui Xing Zhou, Guang Qiang Yang, Jin Yu Liu, Yang Zou
., LTD, Guiyang, 550001, China 2Chongqing Municipality Qijiang district traffic Bureau, Qijiang, Chongqing, 401420, China 3School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing, 400074, China a453003132@qq.com, b932968079@qq.com,czouyanga@126.com, dzhoushuixing@126.com Keywords:Continuous Rigid Frame Bridge, pier structural type, wind load, elastic stability, project quality Abstract.Three kinds of structural pier forms–double thin wall pier, combined pier and single pier– were designed for prestressed concrete continuous rigid frame bridge with pier height that overs 100m.
ANSYS was utilized to analyze the elastic stability and engineering volume of pier and cap for continuous rigid frame bridge at the largest cantilever status under static wind load.
is the degree of freedom and the minimum value is meaningful for practical engineering.
Besides, when taking the slope ratio of the single pier part as 80:1, the pier could have a relatively good stability and a low engineering amount.
Slope/80:1 12.0×10.0 In plane 5.216 634.5 Constant Slope/60:1 12.0×10.833 In plane 5.650 641.2 0.65 Constant Slope/ Constant Slope 12.0×7.5 In plane 3.890 605.4 Constant Slope/80:1 12.0×10.750 In plane 6.381 639.2 Constant Slope/60:1 12.0×11.833 In plane 7.227 650.5 200 0.50 80:1/80:1 14.5×10.0 In plane 5.556 654.5 60:1/60:1 15.333×10.833 In plane 6.091 667.9 0.65 80:1/80:1 15.25×10.750 In plane 7.057 673.0 60:1/60:1 16.333×11.833 In plane 8.153 695.5 Table.4Stability Coefficient and Concrete Amount of Single Pier Pier Height /m Slope Rtio in Bridge Axial Direction Pier Bottom Width()/m Buckling Mode Stability Coefficient Concrete Amount of Twin Bridge/m3 175 80:1 13.375×17.5 In plane 15.834 1364.6 60:1 14.833×17.5 In plane 19.002 1411.7 200 80:1 14.000×17.5 In plane 12.525 1582.6 60:1 15.667×17.5 In plane 15.293 1644.2 Conclusion Aiming at prestressed continuous rigid frame bridge with 100m ~ 200m pier height, the paper used ANSYS to calculate elastic stability coefficient and engineering
Online since: January 2016
Authors: Libor Matějka, Jan Pěnčík, Erik Šagát
Experimental Assessment of the Influence of Outlet Geometry on the Airflow and Temperatures in the Ventilated Façade Cavity Erik Šagát1, a *, Libor Matějka1,b and Jan Pěnčík1,c 1Brno University of Technology, Faculty of Civil Engineering, Institute of Building Structures, Veveří 331/95, 602 00 Brno, Czech Republic asagat.e@fce.vutbr.cz, bmatejka.l@fce.vutbr.cz, cpencik.j@fce.vutbr.cz Keywords: Ventilated façade, convection, open joint, outlet geometry Abstract.
Royo-Pastor, Energy performance of a ventilated façade by simulation with experimental validation, Applied Thermal Engineering, Volume 66, Issues 1–2, May 2014, Pages 563-570, ISSN 1359-4311
Blanco, Energy evaluation of an horizontal open joint ventilated façade, Applied Thermal Engineering, Vol. 37, 2012, pp. 302-313
Cabeza, Numerical study on the thermal performance of a ventilated facade with PCM, Applied Thermal Engineering, Volume 61, Issue 2, 3 November 2013, Pages 372-380, ISSN 1359-4311
Martí-Herrero, Numerical analysis of the most appropriate heat transfer correlations for free ventilated double skin photovoltaic façades, Applied Thermal Engineering, Vol. 57, Iss. 1-2, 2013, pp. 57-68
Online since: May 2011
Authors: Jun Ping Zhou, De Guo Xiong, Zhan Fang Liu, Da Sheng Gu, Xue Fu Xian, Yong Dong Jiang
An New Approach for Estimating Critical Injection Pessure and Fault Stability During Fluid Injection into Rock Reservoir Junping Zhou 1,2,a, Deguo Xiong3,Xuefu Xian 1,2, Yongdong Jiang 1,2, Zhanfang Liu 1,2and Dasheng Gu 1,2 1 State and local joint engineering laboratory of methane drainage in complex coal gas seam,Chongqing University,Chongqing 400044,China; 2 College of Resources and Environmental Sciences,Chongqing University,Chongqing 400044, China; 3 School of Energy Science and Engineering, Henan Polytechnic university, Jiaozuo, Henan 454000, China azhoujp1982@sina.com Key words: Fault reactivation, seismicity, poroelasticity, fluid injection pressure, Mohr–Coulomb criterion, carbon dioxide sequestration Abstract.
Various risks are related to the reactivation of these faults such as microseismicity maybe induced, which may have the potential for causing damage to operations equipment and civil structures. because of its fundamental importance for the physics of earthquakes as well as because of the immediate practical implications discontinuities including faults, fractures1,2.
Most induced microseismicitys induced by fluid injection are due to the pore-pressure increase, so determine the moderate fluid injection pressures is very important for every injection engineering. various methods have been developed for estimate the most optimal fluid injection pressures that don’t induce fault reactivation for existing faults within and surrounding porous reservoirs.
In: JA Hudson, editor, Comprehensive rock engineering: principles practice and projects.
Soil Dynamics and Earthquake Engineering.,29:382-393(2009)
Online since: May 2016
Authors: Kowit Piyamongkala, Rapeeporn Srisuk, Rapeephun Dangtungee, Suchart Siengchin, Adisorn Pratumma
Acid treatment of aluminium dross: properties and application Adisorn Pratumma 1,a, Kowit Piyamongkala 1,b, Suchart Siengchin 2,3,c Rapeeporn Srisuk 2,d and Rapeephun Dangtungee 2,3,e* 1 Department of Industrial Chemistry, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand 2 Materials and Production Engineering Program, Department of Mechanical and Process Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS) King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand 3 Research Center of Nano Indrustries and Bioplastics, Science and Technology Research Institute, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand a adisornpratumma@gmail.com, b kwt@kmutnb.ac.th, c suchart.s.pe@tggs-bangkok.org, d rapeeporn.s.pe@tggs-bangkok.org, e rapeephun.mme@tggs-bangkok.org Keywords:
Chirakhom: National Conference on Civil Engineering 12th.
Bhattacharya: Minerals Engineering.
Online since: January 2013
Authors: Run Bo Bai, Zong Mei Xu, Xiu Mei Qiu
Damage detection in beam-type structures using fractal dimension trajectory of rotated higher vibration modes Runbo Bai1,2,a, Zongmei Xu2,b, Xiumei Qiu2,c 1State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, P.R.
China 2College of Water-Conservancy and Civil Engineering, Shandong Agricultural University, Tai’an, P.R.
Acknowledgements This study was supported by the Open Foundation of State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering (2011490111) and Shandong Provincial Science & Technology Development Project (2012GNC11203).
Kutz (Ed.), Mechanical Engineers Handbook, Wiley, New York (1998)
Engineering Structures, 29 (2007), p. 1612
Online since: August 2013
Authors: Yu Wen Liu, Bin Sun, Shi Jie Huang, Ji Feng Tian, Hai Yan Wang
Aging Behavior of the Polyether Polyurethane Films Irradiated by UV Haiyan Wang1,a, Yuwen Liu1, b, Bin Sun1,c, Shijie Huang1,c and Jifeng Tian2d 1Hebei key laboratory of applied chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, China 2College of Civil Engineering and Mechanics, Yanshan University, Qinhuangdao, 066004, China ahywang@ysu.edu.cn, bliuyuwen@ysu.edu.cn, cliuywhitjjj@163.com, dtianjifeng123@126.com Keywords: Polyurethane, UV irradiation, aging Abstract: The failure behavior of polyether polyurethane films irradiated by UV depends on its molecular structures evolvement.
It is now being increasingly used in aircraft and automotive engineering, furniture trade, building industry, rail transport, electrical engineering and radioelectronics, dyeing of plastics, production of doubled and combined fabrics for various purposes[1].
Ayedi: Materials Science and Engineering A Vol. 527 (2010), p.1649 [3] P.
Online since: May 2013
Authors: Cao Song, Jing Ya Zhou, Hong Mei Zhang
Studies on RC Beams Strength with Steel Wires Using Nolinear Finite Element Method Cao Song 1, Jingya Zhou1, Hongmei Zhang 1,a, * 1Structural engineering disciplines of Yanbian University in Yanji, Jilin ,133002,China ahmzhang@ybu.edu.cn; *Corresponding author Keywords: High strength steel wire mesh; Concrete structure; Reinforcement; ANSYS Abstract: High strength stainless steel wire mesh-polymer mortar reinforcement method was a kind of advanced reinforcement technique.The present study attempted to do a model analysis on the test of the high strength steel wire mesh-polymer mortar reinforcement of less stress beams by using finite element software ANSYS.
(3)The precision of calculating formula of the simplified ultimate bending can meet the engineering design requirements, and can be used for reinforcement design guidance
Stainless steel wire mesh - permeability polymer mortar ductility of reinforced concrete slabs assessment [R], Tsinghua University, Department of Civil Engineering, 2000.
Engineering and Retrofitting .2011.
Engineering and Retrofitting, 2009.
Online since: October 2014
Authors: Balázs Nagy
Comparison of Approximate Soil Thermal Conductivity Calculations with Laboratory Measurements and New Estimation Methods for Sandy Clayey Silt Balázs Nagy Budapest University of Technology and Economics, Faculty of Civil Engineering, Department of Architectural Engineering, 1111 Budapest, Műegyetem rkp. 3.
The measurement is done in the Laboratory of BUTE Dept. of Architectural Engineering.
Elek Tóth DLA retired associate professor, BUTE Dept. of Architectural Engineering and Dr.
[3] Farouki, Omar T., Thermal properties of soils, CRREL Monograph 81-1, United States Army Corps of Engineers, Hanover, New Hampshire, USA, 1981
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