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Online since: July 2011
Authors: Yun Feng Huang
Energy-saving Measures of Architectural Design
Yunfeng Huang
Anhui University of science&Technology Institute of Civil Engineering and Architecture
Huainan City, Anhui Province, China
Huangyunfeng3415@126.com
Key words: energy efficiency of Building, energy consumption of Building, Planning and Design,
Architectural design, Equipment Design
Abstract: This paper is to solve the current problem of high energy consumption in building.
By careful analysis of relevant elements in planning and design, building design and equipment design, measures available for energy saving were concluded that combination of all the measures in practical engineering design can guarantee the energy-saving objective to be realized.
Area ratio of window to wall in JGJ26 of Energy Efficiency Design Criteria of Civil Buildings is strictly stipulated that ratio of window to north wall, or east wall and west wall, or south wall is no more than 20%, 30% , 35% respectively.
By careful analysis of relevant elements in planning and design, building design and equipment design, measures available for energy saving were concluded that combination of all the measures in practical engineering design can guarantee the energy-saving objective to be realized.
Area ratio of window to wall in JGJ26 of Energy Efficiency Design Criteria of Civil Buildings is strictly stipulated that ratio of window to north wall, or east wall and west wall, or south wall is no more than 20%, 30% , 35% respectively.
Online since: June 2024
Authors: Ahmed M. Tahwia, Nirmen Abdelaziz, Ashraf Mohamed Heniegal, Mohamed Amin
Ashour, A new systematic firefly algorithm for forecasting the durability of reinforced recycled aggregate concrete, Frontiers of Structural and Civil Engineering 16.3 (2022) 329-346
Chindaprasirt, Structural lightweight concrete containing recycled lightweight concrete aggregate, KSCE Journal of Civil Engineering 22 (2018) 3077-3084
Duggal, Study of waste plastic mix concrete with plasticizer, ISRN civil engineering 2012 (2012) 1-5
Vega-Azamar, Carbon footprint of recycled aggregate concrete, Advances in civil engineering, 2018 (2018)
Agwa, Effect of air entraining and pumice on properties of ultra-high performance lightweight concrete, Archives of Civil and Mechanical Engineering 24.1 (2024) 1-19
Chindaprasirt, Structural lightweight concrete containing recycled lightweight concrete aggregate, KSCE Journal of Civil Engineering 22 (2018) 3077-3084
Duggal, Study of waste plastic mix concrete with plasticizer, ISRN civil engineering 2012 (2012) 1-5
Vega-Azamar, Carbon footprint of recycled aggregate concrete, Advances in civil engineering, 2018 (2018)
Agwa, Effect of air entraining and pumice on properties of ultra-high performance lightweight concrete, Archives of Civil and Mechanical Engineering 24.1 (2024) 1-19
Online since: April 2022
Authors: Andrea Bruggi, Gabriele Guerrini, Andrea Penna, Santi Urso, Marco Quaini
Diagonal Compression Tests on Stone Masonry Wallettes
Jacketed with Different Techniques
GUERRINI Gabriele1,a*, BRUGGI Andrea2,b, URSO Santi3,c,
QUAINI Marco4, d and PENNA Andrea5, e
1Dept. of Civil Eng. and Architecture, University of Pavia, via Ferrata 3, 27100 Pavia (PV), Italy
2Dept. of Civil Eng. and Architecture, University of Pavia, via Ferrata 3, 27100 Pavia (PV), Italy
3Ruregold S.r.l., Via Achille Grandi 5, 20056 Trezzo sull’Adda (MI), Italy
4Ruregold S.r.l., Via Achille Grandi 5, 20056 Trezzo sull’Adda (MI), Italy
5Dept. of Civil Eng. and Architecture, University of Pavia, via Ferrata 3, 27100 Pavia (PV), Italy
agabriele.guerrini@unipv.it, bandrea.bruggi01@universitadipavia.it, cu.santi@leca.it, dm.quaini@leca.it, eandrea.penna@unipv.it
Keywords: Composite reinforced mortars (CRM), Diagonal compression tests, Fabric reinforced cementitious matrices (FRCM), Fiber reinforced concrete (FRC), Jacketing, Masonry strengthening.
Experimental Program The experimental program, conducted at the Material and Structural Testing Laboratory of the Department of Civil Engineering and Architecture at the University of Pavia, Italy, aimed at assessing the effect of different jacketing systems on the tensile strength and failure mode of stone masonry panels subjected to diagonal compression tests.
The authors would like to acknowledge the help by Simone Girello, Gianmario Pelizzoli, Claudio Pozzi, and Alessio Salice of the Material and Structural Testing Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Italy.
[9] Gattesco, N., Boem, I., and Dudine, A. (2015) “Diagonal compression tests on masonry walls strengthened with a GFRP mesh reinforced mortar coating,” Bulletin of Earthquake Engineering 13(6), 1703–1726. doi:10.1007/s10518-014-9684-z
[12] De Santis, S., De Canio, G., de Felice, G., Meriggi, P., and Roselli, I. (2019) “Out-of-plane seismic retrofitting of masonry walls with Textile Reinforced Mortar composites,” Bulletin of Earthquake Engineering, 17(11), 6265–6300. doi:10.1007/s10518-019-00701-5
Experimental Program The experimental program, conducted at the Material and Structural Testing Laboratory of the Department of Civil Engineering and Architecture at the University of Pavia, Italy, aimed at assessing the effect of different jacketing systems on the tensile strength and failure mode of stone masonry panels subjected to diagonal compression tests.
The authors would like to acknowledge the help by Simone Girello, Gianmario Pelizzoli, Claudio Pozzi, and Alessio Salice of the Material and Structural Testing Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Italy.
[9] Gattesco, N., Boem, I., and Dudine, A. (2015) “Diagonal compression tests on masonry walls strengthened with a GFRP mesh reinforced mortar coating,” Bulletin of Earthquake Engineering 13(6), 1703–1726. doi:10.1007/s10518-014-9684-z
[12] De Santis, S., De Canio, G., de Felice, G., Meriggi, P., and Roselli, I. (2019) “Out-of-plane seismic retrofitting of masonry walls with Textile Reinforced Mortar composites,” Bulletin of Earthquake Engineering, 17(11), 6265–6300. doi:10.1007/s10518-019-00701-5
Online since: January 2012
Authors: Chao Jiang Fu
Finite Element Simulation of RC Beam Strengthened with FRP
Chaojiang Fu
Department of Civil Engineering, Fujian University of Technology, Fuzhou, Fujian, 350108, China
cjfu@163.com
Keywords: Finite Element Simulation, FRP Composite Material, RC Beam, Strengthening.
Civil Engin.
Civil Engin.
Online since: December 2014
Authors: Alexander M. Belostotsky, Andrei S. Pavlov
Pavlovb
Research and Educational Center of Computational Simulation,
Moscow State University of Civil Engineering, 26, Yaroslavskoe shosse, 129337, Moscow, Russia
aamb@stadyo.ru, ba.pvlv@yandex.ru
Keywords: long-span construction, braced shell, elastomeric bearing, seismic, progressive collapse
Abstract.
Any papers and civil design rules contain different values for damping ratio for wind and seismic problems.
Any papers and civil design rules contain different values for damping ratio for wind and seismic problems.
Online since: March 2015
Authors: Feng Qi Hao, Lu Yue Han, Xiao Shi Zheng, Rang Yong Zhang, Guang He Cheng, Ling Yan Han, Xiang Sun, Qing Long Meng, Zheng Wei Wang, Ping Tang, Rui Rui Sun
Introduction
Since 1970, some developed countries have started the infrared thermography in the field of building’s structural engineering.
In order to reduce building energy consumption, People's Republic of China Ministry of Housing and Urban-Rural Development announced in October 1993 promulgate GB50176-93 Thermal Design Code for Civil Building[3].
[3] People's Republic of China Ministry of Housing and Urban-Rural Development, GB50176-93 Thermal Design Code for Civil Building, 1993.10 [4] People's Republic of China Ministry of Housing and Urban-Rural Development, JGJ/T132-2009 Standard for Energy Efficiency Test of Residential Buildings, 2010.7
In order to reduce building energy consumption, People's Republic of China Ministry of Housing and Urban-Rural Development announced in October 1993 promulgate GB50176-93 Thermal Design Code for Civil Building[3].
[3] People's Republic of China Ministry of Housing and Urban-Rural Development, GB50176-93 Thermal Design Code for Civil Building, 1993.10 [4] People's Republic of China Ministry of Housing and Urban-Rural Development, JGJ/T132-2009 Standard for Energy Efficiency Test of Residential Buildings, 2010.7
Online since: July 2014
Authors: Xiao Ping Feng, Chun Ting Li, Jun Jie Wu
Thermal simulation analysis of pass design of the heat-insulating bricks
Chunting Li 1,a, Xiaoping Feng 1,b, Junjie Wu2,c
1School of environment and civil engineering, JiangNan university, Wuxi, 214122,China
2Hella building materials technology dafeng co., LTD, Yancheng, 224100, China
amickey925@qq.com, bfxp_99@126.com, c13605112256@163.com
Keywords: Perforated bricks; ANSYS; Pass design; Heat transfer resistance
Abstract: The pass design, hole rates and materials affect the insulation properties of perforated bricks directly.
What's more, the equivalent heat conductivity of the air space is calculated by the Civil Building Thermal Design Code, and the value are shown in table 1.
What's more, the equivalent heat conductivity of the air space is calculated by the Civil Building Thermal Design Code, and the value are shown in table 1.
Online since: February 2011
Authors: Yu Hong Yao, Xiao Feng Shangguan, Jian Feng Wei, Jiang Nan Liu, Zheng Pin Wang
Fatigue Properties of Casting TC4 Alloys Treated
by Hot Isostatic Pressing
Yuhong Yao1,2, a, Xiaofeng ShangGuan1, b, Jiangnan Liu1, c,
Zhengpin Wang1, d, Jianfeng Wei2, e
1 School of Materials and Chemical Engineering, Xi’an Technological University, No.4 Jinhua North Road, Xi’an, 710032, P.R.
With the aircraft structure design criterion from traditional static strength design to damage tolerance design and with the independent research and development of new-type civil turbofan regional aircraft and the implement of the plan to develop the country's own large passenger jets in China, it is essential to do some researches on casting TC4 alloys for the lack of the data of fatigue properties.
Although developed for about several decades, TC4 alloys has now become the most applicable titanium alloy in aviation industry all over the world, with the development of aeronautical technologies and the fracture mechanics and damage tolerance theory, aircraft structure design criterion undergoes an evolutive process from static structural analysis, dynamic strength analysis and fracture strength analysis to fracture strength analysis and the durability and damage tolerance design has become the key method of current aircraft structure design criterion, and with the continuously development of the aerial transport industry, especially the advent of new-type civil turbofan regional aircraft, there are some big obstacles for TC4 alloys to be further applied in China, such as relatively lag in metallurgical technology, deficiency in fatigue properties data and so on.
With the aircraft structure design criterion from traditional static strength design to damage tolerance design and with the independent research and development of new-type civil turbofan regional aircraft and the implement of the plan to develop the country's own large passenger jets in China, it is essential to do some researches on casting TC4 alloys for the lack of the data of fatigue properties.
Although developed for about several decades, TC4 alloys has now become the most applicable titanium alloy in aviation industry all over the world, with the development of aeronautical technologies and the fracture mechanics and damage tolerance theory, aircraft structure design criterion undergoes an evolutive process from static structural analysis, dynamic strength analysis and fracture strength analysis to fracture strength analysis and the durability and damage tolerance design has become the key method of current aircraft structure design criterion, and with the continuously development of the aerial transport industry, especially the advent of new-type civil turbofan regional aircraft, there are some big obstacles for TC4 alloys to be further applied in China, such as relatively lag in metallurgical technology, deficiency in fatigue properties data and so on.
Online since: September 2017
Authors: Akeem Ayinde Raheem, Mutiu A. Kareem
Kareem1,b
1Department of Civil Engineering, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
aaaraheem@lautech.edu.ng, bmutkab2008@yahoo.com
*Corresponding Author
Keywords: Rice husk Ash (RHA), Pozzolan, Ordinary Portland cement (OPC), Blended cement
Abstract.
Mater in Civil Eng., (2002), 173-176
Thesis, Department of Civil Engineering, Faculty of Engineering and Technology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. (2015)
[31] BS 1377, Method of Test for Soils for Civil Engineering Purposes-Specific Gravity-Part 2, London, British Standard Institution, (1990)
Civil Eng., JKUUAT, 7 (2002), 21-8
Mater in Civil Eng., (2002), 173-176
Thesis, Department of Civil Engineering, Faculty of Engineering and Technology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. (2015)
[31] BS 1377, Method of Test for Soils for Civil Engineering Purposes-Specific Gravity-Part 2, London, British Standard Institution, (1990)
Civil Eng., JKUUAT, 7 (2002), 21-8