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Online since: January 2013
Authors: Xiang Dong Shen, Yu Pei Zhang
Cold trapezoidal channel composite lining structure force analysis and failure criteria
Xiangdong Shena, Yupei Zhangb
College of Water Conservancy and Civil Engineering, Inter Mongolia Agricultural University, Hohhot 010018,China
andsxd@163.com, bzhangyp0417@126.com
Keywords: Channels composite lining; mechanics of composite materials; stress analysis
Abstract.
In recent years, at home and abroad began using polystyrene board insulation materials as road works, industrial and civil engineering and water conservancy.
However, the lining structure size selection generally just rely on practical experience and experimental data[6], and the lack of convenient and practical theoretical calculation model for design reference use, and can not form the normative documents on the engineering design guidance.
Based on reasonable assumptions concrete composite lining conveyance channel, the use of composite mechanics, concrete structures and other theories, the force of the channel composite lining structure, established channels of composite failure criteria of the lining structure, hope provide a theoretical basis for the engineering design and construction of composite lining channels.
Conclusions 1) According to the trapezoidal channel composite lining the frost heave simplified mechanical model, design and test methods for composite lining structure to overcome the past, empirically and tectonic blindly selected cross-section of the defect. 2) Frost heave force composite Lining Internal Force calculation method provides a theoretical basis for the control of internal forces of the composite lining structure, improve the cracking resistance of composite lining structure. 3) This paper built a mechanical model only takes into account the impact of frost heaving force, while ignoring the normal freezing action, from the view of the material properties of the composite lining structure and engineering practice, in line with the actual engineering.
In recent years, at home and abroad began using polystyrene board insulation materials as road works, industrial and civil engineering and water conservancy.
However, the lining structure size selection generally just rely on practical experience and experimental data[6], and the lack of convenient and practical theoretical calculation model for design reference use, and can not form the normative documents on the engineering design guidance.
Based on reasonable assumptions concrete composite lining conveyance channel, the use of composite mechanics, concrete structures and other theories, the force of the channel composite lining structure, established channels of composite failure criteria of the lining structure, hope provide a theoretical basis for the engineering design and construction of composite lining channels.
Conclusions 1) According to the trapezoidal channel composite lining the frost heave simplified mechanical model, design and test methods for composite lining structure to overcome the past, empirically and tectonic blindly selected cross-section of the defect. 2) Frost heave force composite Lining Internal Force calculation method provides a theoretical basis for the control of internal forces of the composite lining structure, improve the cracking resistance of composite lining structure. 3) This paper built a mechanical model only takes into account the impact of frost heaving force, while ignoring the normal freezing action, from the view of the material properties of the composite lining structure and engineering practice, in line with the actual engineering.
Online since: May 2011
Authors: Lang Cao, Xing Jie Xing, Feng Guang Ge
Unified Solution on Skew Plate Bending with Four Edges
Supported under Arbitrary Load
Lang Cao1, a, Xingjie Xing2,b and Fengguang Ge3,c
1,2College of Civil Engineering and Transport, Hohai University, Nanjing, China
3Nantong Zhongfang Building Insititute, Nantong, China
a,c15312058818@126.com, bxingxingjie.2007@yahoo.com.cn
Keywords: skew plate, four edges supported, bend of elastic plate, arbitrary load, Fourier series, unified solution.
So the finite element method (FEM)is mostly used for analysis and calculation in engineering.
It’s conducive for the theoretical study and engineering design of skew plate.
[3] Lang Cao: Engineering Mechanics.
[5] J B KENNEDY,M W HUGGINS: Proceedings of the American Society of Civil Engineers. (1964), pp.3-12
So the finite element method (FEM)is mostly used for analysis and calculation in engineering.
It’s conducive for the theoretical study and engineering design of skew plate.
[3] Lang Cao: Engineering Mechanics.
[5] J B KENNEDY,M W HUGGINS: Proceedings of the American Society of Civil Engineers. (1964), pp.3-12
Online since: December 2010
Authors: Chuan Guo Fu, Yu Zhuo Wang
Nonlinear Analysis on Reinforced Concrete Frame Joints under Thermal-Stress Coupling
Yuzhuo Wang 1, a, Chuanguo Fu 2,b
1,2School of Civil Engineering, Shandong Jianzhu University, Jinan, 250101, China
a yuzhuowang@163.com, b sdfcguo@126.com,
Keywords: Reinforced Concrete Frame Joint; Temperature Field Property; Thermal-Stress Coupling; Fire-Resistance; Nonlinear Analysis.
Acknowledgements: This project was supported by the National Natural Science Foundation of China(50978158)and Natural Science Foundation of Shandong Province(Q2007F02) References [1] ShiXuDong, GuoZhenHai, in: experimental investigation of behavior of reinforced concrete frames elevated temperature, edited by China Civil Engineering Journal, Vol.33 No.1, Feb. 2000.In Chinese
[3]Wubo,HeXiYang, in: A study on the redistribution of internal forces in reinforced concrete frames under high temperature, edited by China Civil Engineering Journal, Vol.39 No.9, Sep. 2006.In Chinese
Acknowledgements: This project was supported by the National Natural Science Foundation of China(50978158)and Natural Science Foundation of Shandong Province(Q2007F02) References [1] ShiXuDong, GuoZhenHai, in: experimental investigation of behavior of reinforced concrete frames elevated temperature, edited by China Civil Engineering Journal, Vol.33 No.1, Feb. 2000.In Chinese
[3]Wubo,HeXiYang, in: A study on the redistribution of internal forces in reinforced concrete frames under high temperature, edited by China Civil Engineering Journal, Vol.39 No.9, Sep. 2006.In Chinese
Online since: December 2010
Authors: You Jun Xie, Kun Lin Ma, Xing Feng, Guang Cheng Long
Deterioration Evolutive Process of Cement-based Materials under Sulphate Physical Crystallization Attack
Kunlin Ma 1,2,3, a, Feng Xing2,b ,Guangcheng Long1 and Youjun Xie1
1 School of Civil Engineering and Architecture, Central South University, Changsha 410075 China
2Shenzhen Durability Center for Civil Engineering, Shenzhen University, Shenzhen 518060 China
3 Hunan Industry Polytechnic, Changsha ,410208 China
amark-mkl@163.com, bwang_weilun@hotmail.com
Keywords: concrete; physical crystallization; sulphate attack
Abstract.
Acknowledgements The authors sincerely appreciate the financial support by Project (SZDCCE 10-16) supported by Shenzhen Durability Center for Civil Engineering, Shenzhen University and Project (50925829) supported by National Science Fund for Distinguished Young Scholars.
Acknowledgements The authors sincerely appreciate the financial support by Project (SZDCCE 10-16) supported by Shenzhen Durability Center for Civil Engineering, Shenzhen University and Project (50925829) supported by National Science Fund for Distinguished Young Scholars.
Online since: August 2015
Authors: Klára Kroftová, Markéta Šmidtová
In-Situ Applicability of Selected Nanotextiles on Surfaces of Historic Plasters
ŠMIDTOVÁ Markéta1, a * and KROFTOVÁ Klára1, b
1CTU in Prague, Faculty of Civil Engineering, Thákurova 7, 166 29 Praha 6
asmidtmar@fsv.cvut.cz, bklara.kroftova@fsv.cvut.cz
Keywords: cultural heritage, conservation, historic plaster, nanotextiles, Premonstrate Monastery
Abstract.
Extensive research addressing the above issues through the application of nanotextiles is running at the Faculty of Civil Engineering CTU in Prague within the NAKI project [1].
Fig. 2 – Images of a PVB nanofibers layer from the electron microscope (a – without nanoparticles, b – with Ag nanoparticles, c – with TiO2 nanoparticles), fibre diameter 300 – 1000nm Verification of applicability under laboratory conditions The verification of the adhesion of selected nanotextiles to the surface layer of historic plasters was first carried out in the laboratory of the Faculty of Civil Engineering CTU in Prague.
Extensive research addressing the above issues through the application of nanotextiles is running at the Faculty of Civil Engineering CTU in Prague within the NAKI project [1].
Fig. 2 – Images of a PVB nanofibers layer from the electron microscope (a – without nanoparticles, b – with Ag nanoparticles, c – with TiO2 nanoparticles), fibre diameter 300 – 1000nm Verification of applicability under laboratory conditions The verification of the adhesion of selected nanotextiles to the surface layer of historic plasters was first carried out in the laboratory of the Faculty of Civil Engineering CTU in Prague.
Online since: January 2013
Authors: Xiao Li Zhan
Prediction of Dynamic Modulus of Asphalt Mixture Based on Viscoelastic Properties of Asphalt Mortar
Zhan Xiaoli
College of Civil Engineering and Architecture,
Zhejiang University of Technology, Hangzhou,310014, China
zxlzxl138@126.com
Keywords: Asphalt Mixture, Asphalt Mortar, Dynamic Modulus, Viscoelastic Properties
Abstract.
Journal of Materials in Civil Engineering, 23(5): 606-611
Canadian Journal of Civil Engineering, Vol. 35, pp. 699-707.
Journal of Materials in Civil Engineering, 23(5): 606-611
Canadian Journal of Civil Engineering, Vol. 35, pp. 699-707.
Online since: May 2012
Authors: Sheng Nan Sun, Zhi Bin Su
Static Analysis of a Meteorological Tower under Lateral Loads
Zhibin Su 1,a, Shengnan Sun 1,b
1 School of Architecture & Civil Engineering, Liaocheng University, Liaocheng, Shandong, 252059, China
a suzhibin@126.com, b sunshengnan1982@163.com
Keywords: finite element; seismic response; meteorological tower; natural period.
[3] Jia Baorong, Luo Yongfeng, Wu Jianzhong, “Nonlinear Stability Behavior of a High Steel Gantry Crane,” Structural Engineers, vol.24, pp.57-60, April 2008.
(In Chinese) [5] BeiJing Civil King Software Technology Co., Ltd., “SAP2000 Chinese Guide,” June 2006.
(In Chinese) [6] Li Liang, Chen Junwu, “Dynamic Time-History Analysis of a Steel Meteorological Tower Seldom Occurred Earthquake Considering P-delta Effect,” Structural Engineers, vol.25, pp.79-83, December 2009.
(In Chinese) [7] Computers and Structures, Inc., BeiJing Civil King Software Technology Co., Ltd., “CSI Analysis Reference Manual,” December 2005.
[3] Jia Baorong, Luo Yongfeng, Wu Jianzhong, “Nonlinear Stability Behavior of a High Steel Gantry Crane,” Structural Engineers, vol.24, pp.57-60, April 2008.
(In Chinese) [5] BeiJing Civil King Software Technology Co., Ltd., “SAP2000 Chinese Guide,” June 2006.
(In Chinese) [6] Li Liang, Chen Junwu, “Dynamic Time-History Analysis of a Steel Meteorological Tower Seldom Occurred Earthquake Considering P-delta Effect,” Structural Engineers, vol.25, pp.79-83, December 2009.
(In Chinese) [7] Computers and Structures, Inc., BeiJing Civil King Software Technology Co., Ltd., “CSI Analysis Reference Manual,” December 2005.
Online since: February 2011
Authors: Jian Jun Zheng, Klaas van Breugel, Jie Zhao, Gai Fei Peng
Mesoscopic Thermal-Mechanical Fire Damage Modeling of
High Performance Concrete
Jie Zhao1,2,a, Jian-Jun Zheng3,b, Gai-Fei Peng2,c and Klaas van Breugel1,d
1Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft,
The Netherlands
2School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, P.
China 3School of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, P.
China 3School of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, P.
Online since: October 2014
Authors: Xin Jun Chai, Pei Hang Chen, Chun Feng He, Chen Xi Rao
Laboratory Permeation Tests of PS for Solidification of Relic Soils in Humid Circumstances
CHAI Xinjun1, a, CHEN Peihang2,b,He Chunfeng3,a,RAO Chenxi3,a
1 Department of Civil Engineering, East China Institute of Technology, China
2 China Electric Power Research Institute, Hangzhou, China
3 Department of Civil Engineering, East China Institute of Technology, China
axj_chai@126.com, bchenpeihang1979@sina.com,
Keywords: PS solution, earthen sites, laboratory permeation,
Abstract.
Advances in Industrial and Civil Engineering, Advanced Material Research, Vols.594-597(2012) pp.343-346, 2012
Advances in Industrial and Civil Engineering, Advanced Material Research, Vols.594-597(2012) pp.343-346, 2012
Online since: December 2011
Authors: Panich Voottipruex, Anuchit Uchaipichat, Ekachai Man Koksung
Effective Stress Parameter for Unsaturated Soils under Drying and Wetting Processes
Panich Voottipruex 1, a, Anuchit Uchaipichat 2, b*
and Ekachai Man-koksung 2, c*
1 Department of Teacher Training in Civil Engineering,
King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand
2 Department of Civil Engineering, Vongchavalitkul University
Muang District, Nakhon Ratchasima, 30000, Thailand
a pnv@kmutnb.ac.th, b anuchitu@yahoo.com, c aunetun@hotmail.com
*Corresponding Author
Keywords: Unsaturated soils, Drying-wetting, Effective stress, Suction
Abstract.
These types of soils are often encountered in civil engineering practice, such as compaction works in construction of roads, dams and other types of embankment and causes severe problems due to expansion and collapse of soils skeleton to several existing buildings.
These types of soils are often encountered in civil engineering practice, such as compaction works in construction of roads, dams and other types of embankment and causes severe problems due to expansion and collapse of soils skeleton to several existing buildings.