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Online since: October 2012
Authors: Ke Zhao, Gang Zhu, Jun Yin
The design and operation of Yongin feces and livestock wastewater complex treatment system in Korea KE ZHAO1, a ,JUN YIN1, b and GANG ZHU1, c 1.Key Laboratory of Songliao Aquatic Environment, Ministry of Education , Jilin Architectural and Civil Engineering Institute azhaoke326@126.com, bhitjunyin@163.com, czgzg0728@126.com Keyword: feces and livestock wastewater. humus activated sludge process. anaerobic-intermittent aeration mode. design and operation.
Introduction Feces and livestock wastewater with organic wastewater, nitrogen, phosphorus and other pollutants ,and with high concentration of suspended solids, transport and processing produce a large amount of malodorous gases, larger changes in the characteristics of the pollution load. because of city sewer and sewage treatment facilities imperfect, in order to mitigate environmental pollution that due to part of the sewage discharge into the not yet built terminal of the urban sewage treatment plants municipal sewage pipe or straight into watercourse, civil constructions and public buildings of life fecal sewage must first flows through the septic tank treatment prior to discharge into municipal sewers or water.
Acknowledgements This project is financially supported by the Youth Development Foundation of Jilin Architectural and Civil Engineering Institute(J20091092) ,and Science Research Foundation of Jilin Province Department of Environmental Protection(2009-09) References [1] Chen Dong-hua, Zheng Jinwei.
Online since: January 2014
Authors: Gang Cheng, Wei Xu, Yu Rong
MANAGING SEASONABLE DIFFERENCES IN PASSENGERS’ TRAFFIC VOLUME BY LHASA RAILWAY STATION Gang Cheng 1, a, Wei Xu2,b and Yu Rong3,c 1China,Tibet University, School of Engineering, No.36 Jiangshu Road 2China,Tibet University, School of Economics and Management, No.36 Jiangshu Road 3China,Tibet University, School of Engineering, No.36 Jiangshu Road a176064239@qq.com, b876159716@qq.com, c358606364@qq.com Keywords: Seasonal differences, Imbalance of traffic volumes, Lhasa Railway Station, organization of passenger traffic Abstract: This article makes a study of the Lhasa Railway Station, which is located on Tibet plateau, the key factors that would affect passenger traffic are based on a comprehensive evaluation.
Therefore, a peak passenger traffic falls on this period.While from November to April, due to cold weather conditions, the passenger traffic is limited to civil servants, migrant workers, and school students.
Table 1 Passenger composition table for various seasons at Lhasa Railway Station seasons Passenger composition Month with the highest traffic volume Main types of passengers Additional types of passengers May-October Tourists and pilgrims Migrant workers, military personal, businessmen October November-April Civil servants, migrant workers, students Tourists, pilgrims February 3.2 Particularity of passenger traffic Lhasa Railway Station because of its location in high altitude region, has peculiar climatic conditions: thin air, cold temperatures, dry weather, strong ultraviolet radiation, quick evaporation of water, and low temperature boiling point.Considering the fact that the greatest impact on travelers is the lack of oxygen and extreme cold temperatures, there is a necessity to provide full diffuse-type oxygen and respond to altitude sickness of passengers in order to reduce their altitude sickness discomfort. 3.3 Particularity of travel
In order to meet the passengers’ demand, there is also a need to have a close coordination with civil aviation.
Online since: October 2014
Authors: Ekici Selcuk, Gorkem Yalin, T. Hikmet Karakoc, Onder Altuntas
All of these activities near the airport, are defined in International Civil Aviation Organization (ICAO), take place below the altitude of 3000 feet (Fig. 1) [1–5].
References [1] International Civil Aviation Organization (ICAO), 1993.
Engineering Failure Analysis, 20: 97–104
Chemical Engineering Journal, 73: 1–21
Directorate General of Civil Aviation in Republic of Turkey.
Online since: February 2012
Authors: Tomáš Pospíšil, Libor Matějka, Alena Kalužová, Darina Dostálová, Jan Pěnčík, Libor Matějka
Elimination of thermal bridge by thermal insulation composite material Tomáš Pospíšil1, a, Jan Pěnčík2, b, Libor Matějka3, c, Libor Matějka4, d, Alena Kalužová5, e and Darina Dostálová6, f 1,2,3,4,5,6Brno University of Technology, Faculty of Civil Engineering, Institute of Civil Engineering, Veveri 331/95, 602 00 Brno, Czech Republic apospisil.p@fce.vutbr.cz, bpencik.j@fce.vutbr.cz, cmatejka.l@fce.vutbr.cz, dmatejka.l1@fce.vutbr.cz, ekaluzova.a@fce.vutbr.cz, fdostalova.d@fce.vutbr.cz Keywords: waste, composite, polymers, thermal bridge, elimination, energy saving, heat loss.
[10] ČSN EN ISO 10211 Tepelné mosty ve stavebních konstrukcích – Tepelné toky a povrchové teploty – Podrobné výpočty (Thermal bridges in civil structures – Thermal flows and surface temperatuers – Detailed calculations).
Online since: November 2012
Authors: Li Tian, Zai Long Li
Numerical Simulation for Progressive Collapse and Protection of a Multi-storey Building Due to an Explosion in Its Basement Li Tian1, 2, a, Zailong Li1, b 1School of Civil Engineering, Tianjin University, Tianjin 300072, China 2 Key Laboratory of Coast Civil Structure Safety (Tianjin University), Ministry of Education, Tianjin 300072, China altian@tju.edu.cn, blzl19881115@126.com Keywords: Progressive collapse, Blast load, Basement, Soil-structure dynamic interaction, Aluminum foam Abstract.
Reston (Virginia): American Society of Civil Engineers; 2002
Online since: August 2011
Authors: Li Wen Wang, Zhi Wei Xing, Bin Chen
Modeling and Simulation of Aircraft on Ground Deicing Fluids Deicing Process Based on Thermal Consumption Bin CHEN 1,2,a Zhiwei XING 1,b and Liwen WANG 1,2,c 1 Department of Aeronautical Automation, Civil Aviation University of China, Tianjin 300300 2 Department of mechanical engineering, Tianjin University, Tianjin 300072 achenbindavid@163.com, bzwxing@cauc.edu.cn, cwlw2885@163.com Key words: aircraft; deicing; on ground; modeling Abstract.
Introduction The role of ground support work of aircraft becomes significant important with the development idea “Security, Efficiency, Green” in our civil aviation field.
Acknowledgements This project is supported by National Natural Science Fund of China (Grant No. 60939001) and Civil Aviation Administration of China Fund (Grant No. 60932016).
Investigation of Heat Transfer in Aircraft Icing[J].Journal of Engineering Thermophysics. 2009,30(11):1923-1925
Online since: July 2016
Authors: Jie Jun Wang, Yan Ge Liu, Di Yang Xia
Study on Vibration-based Detection Methods for Determining the Elastic Modulus of Glulam Beams Jiejun Wang1, a *, Yange Liu1,b and Diyang Xia1,c 1 School of Civil Engineering and Mechanics, Central South University of Forestry and Technology, Changsha, China awangjiejun2011@126.com, b274983669@qq.com, c31353627@qq.com Keywords: detection and analysis; glued laminated beams; modulus of elasticity; natural frequency; static load test; vibration-based detection method.
Using the finite element software Midas Civil, beam element is adopted for building a finite element model of the simply-supported glulam beam.
Results and analysis Comparative analysis of the vibration frequency between measured and theoretical value The first-order natural frequency of glulam beams is measured with the dynamic tester, and then adopting vibration analysis method, we use the finite element software, Midas Civil, to calculate its natural frequency and vibration mode.
(1) By comparing elastic modulus tested by vibration-based detection method with static load test method, the average relative deviation is less than 10%: it shows that this method is simple and efficient and the accuracy can meet engineering needs
Online since: November 2013
Authors: Liang Jiang, Xiao Gen Liu, Yi Wang Bao
So far, there are dozens of engineering examples that VIP panels used in floors, roofs, balconies, walls and etc [1].
Residential household wall on air sound weighted sound insulation of three, two and one standard were≥40 dB, ≥45 dB and≥50 dB, reference to Sound insulation design of civil construction (GBJ 118-88).
The vacuum insulation panel in construction area can meet the requirements of Sound insulation design of civil construction(GBJ 118—88), as a wall material for insulation.
The vacuum insulation panel in construction area can meet the requirements of Sound insulation design of civil construction(GBJ118-88), as a wall material for insulation.
ZHU: Audio Engineering, Vol. 12(2012), p. 5.
Online since: July 2016
Authors: Didi S. Agustawijaya
Agustawijaya 1, a * 1Department of Civil Engineering, Faculty of Engineering, Mataram University Jalan Majapahit 62 Mataram, Indonesia, Tlp. 0370 636126 a*didiagustawijaya@unram.ac.id Keywords: assessment method, hazard risk, Lusi eruption, deformation, rating system.
Civil & Env.
Agustawijaya, Sukandi, The stability analysis of the Lusi mud volcano embankment dams using FEM with a special reference to the Dam Point P.10.D, Civil Eng.
Online since: April 2014
Authors: Eva Burgetová, František Kulhánek, Vesna Raicic
Experimental Comparison of Moisture Characteristics of Two Types of Sandstone BURGETOVÁ Eva1,a*, KULHÁNEK František2,b and RAICIC Vesna3,c 1, 2 CTU in Prague, Faculty of Civil Engineering, Thákurova 7, 166 29 Prague 6, Czech Republic 3 CTU in Prague, Faculty of Civil Engineering, student of SAHC - Erasmus Mundus Study Program a burget@fsv.cvut.cz, b kulhanek@fsv.cvut.cz, c wesna.raicic@gmail.com Keywords: sandstone; deterioration; absorption; penetration; hydrophobization Abstract.
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