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Online since: June 2014
Authors: Guang Qing Zeng, Wei Zhao, Xiu Qin Bu, Guo Shao Su, Biao Han
A New Method for Forecasting of Non-point Source Pollutant Load
Guang-qing Zeng1, a, Wei Zhao1,b,Biao Han1,c , Xiu-qin Bu1,d , Guo-shao Su1,e
1Environmental Engineering Research and Technology Center, Scientific Research Academy of Guangxi Environmental Protection, China
2School of Civil and Architecture Engineering, Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, China
a412067731@qq.com, bazf8246@163.com, cgxhanbiao@163.com, d16996991@qq.com, esuguoshao@163.com
Keywords: Non-point Source Pollutant Load, Gaussian Process (GP), Machine Learning, Forecast.
The good performance of GP model makes it very attractive for a wide range of application in environmental engineering.
He : China Civil Engineering Journal.
The good performance of GP model makes it very attractive for a wide range of application in environmental engineering.
He : China Civil Engineering Journal.
Online since: May 2012
Authors: Zhi Qiang Li, Na Rui Bu, Xiao Hong Cong
Contrast Experiment of Common Crack Repair Method and Comprehensive New Repair Technology Research
Zhiqiang Li1,a , Narui Bu1,b, Xiaohong Cong1,c
1 Dept of Civil Engineering, Hebei Institute of Architecture and Civil Engineering,
Zhangjiakou, 075024, China
alizq_369@sina.com, bbunarui@126.com, cgwb.xiao@163.com
Keywords: Basalt fiber cement mortar; BICS; combination repair technology
Abstract.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, providing reference for project application.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, provide reference for project application.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, providing reference for project application.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, provide reference for project application.
Online since: September 2014
Authors: Zhi Yu Xiao, Yong Xin Ji, Xin Gang Li, Yong Lei
Self-reaction static loading test for the determination of pile capacity of a super high-rise building structure with super deep foundations
Zhi-Yu Xiao1, a, Yong-Xin Ji1 , Xin-Gang Li1, and Yong Lei2
1 Inspection center of construction science research of Guizhou province, Guizhou, China.
2 College of Civil Engineering, Hunan university of Science and Technology, Xiangtan, Hunan, China
a corresponding author: 95114333@qq.com
Keywords: self-reaction static loading test, stepwise field test procedure, pile capacity, super high-rise building structure, super deep foundation
Abstract.
However, it is not always cost effective especially for large-scale civil infrastructures where a huge amount of piles is often employed.
Consequently, for the practical application in civil engineering construction, the field test is still a common way for the determination of the pile capacity especially for the important large-scale infrastructures.
The full-scale test on the same location also provides a reference index to an engineer for the evaluation of ultimate bearing capacity of a single pile.
Assessment of direct CPT and CPTU methods for predicting the ultimate bearing capacity of single piles, Engineering Geology, 2009, 104(3-4), 211-222
However, it is not always cost effective especially for large-scale civil infrastructures where a huge amount of piles is often employed.
Consequently, for the practical application in civil engineering construction, the field test is still a common way for the determination of the pile capacity especially for the important large-scale infrastructures.
The full-scale test on the same location also provides a reference index to an engineer for the evaluation of ultimate bearing capacity of a single pile.
Assessment of direct CPT and CPTU methods for predicting the ultimate bearing capacity of single piles, Engineering Geology, 2009, 104(3-4), 211-222
Online since: January 2014
Authors: Li Shen, Ya Xing Lin
The Concept of Building Information Modeling (BIM).Building Information Modeling (BIM) is a revolutionary technology in Civil engineering since CAD(Computer Aided Design) realized digitalize 2-D graphics, it highlights the idea which promote more applications of 3-D and N-D Information modeling in Construction project management.
Today, civil engineering industry has clear technical specifications and supervision rules about construction technique, but there are still some unstable factors during the construction process.
The construction technique of civil engineering includes many aspects: deep excavation technology, concrete technology, waterproof technology, pre-stressed construction technology, etc. are all critical technical indicators that determine the final outcome.
Environmental hazards In the 21st century, sustainabledevelopment and green production are advocated, as a high energy-consumption industry, construction industry has to follow the trend of the era, pays more attention to environment conservation.Civil engineering will inevitably produce pollutions such as dust, noise, solid and liquid waste, material waste, messy construction site, falling objects and earthquake.
Journal of Management in Engineering, 2013 [3] S.Azhar.
Today, civil engineering industry has clear technical specifications and supervision rules about construction technique, but there are still some unstable factors during the construction process.
The construction technique of civil engineering includes many aspects: deep excavation technology, concrete technology, waterproof technology, pre-stressed construction technology, etc. are all critical technical indicators that determine the final outcome.
Environmental hazards In the 21st century, sustainabledevelopment and green production are advocated, as a high energy-consumption industry, construction industry has to follow the trend of the era, pays more attention to environment conservation.Civil engineering will inevitably produce pollutions such as dust, noise, solid and liquid waste, material waste, messy construction site, falling objects and earthquake.
Journal of Management in Engineering, 2013 [3] S.Azhar.
Online since: December 2012
Authors: Ya Guang Yan
Influence of the cross section of hood on the compression wave generated by a high-speed train
Yaguang Yan
School of Civil Engineering,Hebei University of Engineering, Handan 056038,P.R.China
yaguangyan@gmail.com
Key words: hood; cross section;compression wave; numerical computation
Abstract:An analysis is made of the compression wave generated when a high-speed train enters a tunnel with hood.
Proving calculation model This paper adopts three engineering experience formulas to calculate the maximum value of pressure change about the compression wave in tunnel,and taking the results to compare with the result of numerical model.
Engineering experience formula.The engineering experience formula has usually three kinds[3].They are shown in the following.
References [1] Woods W A,Pope C W.A:Journal of Wind Engineering and Industrial Aerodynamics, 1981(7),p.331
[2] Yaguang Yan, Qingshan Yang,Jian Zhang:International Conference on Civil Engineering and Transportation 2011,2011,p.1143 [3] Vardy A E,Dayman B:Proc 3rd International Symposium on the Aerodynamics and Ventilation of Vehicle Tunnels.
Proving calculation model This paper adopts three engineering experience formulas to calculate the maximum value of pressure change about the compression wave in tunnel,and taking the results to compare with the result of numerical model.
Engineering experience formula.The engineering experience formula has usually three kinds[3].They are shown in the following.
References [1] Woods W A,Pope C W.A:Journal of Wind Engineering and Industrial Aerodynamics, 1981(7),p.331
[2] Yaguang Yan, Qingshan Yang,Jian Zhang:International Conference on Civil Engineering and Transportation 2011,2011,p.1143 [3] Vardy A E,Dayman B:Proc 3rd International Symposium on the Aerodynamics and Ventilation of Vehicle Tunnels.
Online since: January 2012
Authors: Xi Yuan Zhou, Zuo Zhou Zhao, Hang Sun, En Guo
Study on Records of the Wenchuan MW 8.0 Strong Earthquake in 2008
En Guo1,2,a Xiyuan Zhou2,b Zuozhou Zhao1,c Hang Sun3,d
1 Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing, 100084, China
2Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit,
Beijing University of Technology, Beijing, 100124, China
3School of Communication Science and Engineering, Harbin Institute
of Technology, Harbin, 150090, China
aguoen89@emails.bjut.edu.cn, bzhouxy@bjut.edu.cn, czzzhao@tsinghua.edu.cn,
dbridge_hit@126.com
Keywords: acceleration record, attenuation curve, peak ratio, peak average.
Engineering and Technical Reports on China Digital Strong-Motion Observation Network, Project Inspection Report (2008).
Journal of Earthquake Engineering and Engineering Vibration. 29: 1-13(2009)
In: Earthquake Engineering [M], Earthquake Press(1988).
,Fundamentals of Earthquake Engineering,Prentice-Hall,Englewood Cliffs,N.J.(1971).
Engineering and Technical Reports on China Digital Strong-Motion Observation Network, Project Inspection Report (2008).
Journal of Earthquake Engineering and Engineering Vibration. 29: 1-13(2009)
In: Earthquake Engineering [M], Earthquake Press(1988).
,Fundamentals of Earthquake Engineering,Prentice-Hall,Englewood Cliffs,N.J.(1971).
Online since: October 2012
Authors: Gang Yang, Peng Niu, Chun Fu Jin
Study on Buckling of an H-Shaped Steel Member with
Initial Geometric Imperfection
Peng Niu 1,2 a*,Gang Yang 2,b,Chunfu Jin 3,c
1School of Architecture and Civil Engineering, Shenyang University, Shenyang, China
2Institute of Road and Bridge Engineering, Dalian Maritime University, Dalian, China
3School of Hydraulic and Civil Engineering, Dalian University of Technology, Dalian, China
anp777@126.com , byanggang@dlmu.edu.cn, ckim777@126.com
Key words: steel structure; elastic-plastic buckling; initial geometric imperfection; Ježek method
Abstract.
Engineering Mechanics.
Key Engineering Materials .Vols. 452-453 (2011) ,p.485-488 [4] Peng Niu, Gang Yang, Chunfu Jin, et al.
Engineering Mechanics.
Key Engineering Materials.
Engineering Mechanics.
Key Engineering Materials .Vols. 452-453 (2011) ,p.485-488 [4] Peng Niu, Gang Yang, Chunfu Jin, et al.
Engineering Mechanics.
Key Engineering Materials.
Online since: July 2014
Authors: Qing Chao Wei, Hong Ke Pu
Model reuse technology in building electrical parameters design
Hongke Pu1, a*, Qingchao Wei1,b
1 School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
apeakhill@163.com, bqcwei@bjtu.edu.cn
Keywords: Building electrical design, parameterization, reuse technology, CAD, secondary development.
Design reuse through the reuse of the existing design elements to improve speed and quality of design[2,3], it is widely used in mechanical engineering and software engineering, and other fields, its application in construction engineering fields there are urgent needs and great potential applications.
The design engineer can carry on the equipment layout, fast and efficient batch edit, thus reducing repetitive work.
Chinese Journal of Mechanical Engineering:English Edition, 2005, l8(1):p.132-138 [6] Demian P, Fruchter R.
Journal of Computing in Civil Engineering, 2005, 19(2):p.119-136
Design reuse through the reuse of the existing design elements to improve speed and quality of design[2,3], it is widely used in mechanical engineering and software engineering, and other fields, its application in construction engineering fields there are urgent needs and great potential applications.
The design engineer can carry on the equipment layout, fast and efficient batch edit, thus reducing repetitive work.
Chinese Journal of Mechanical Engineering:English Edition, 2005, l8(1):p.132-138 [6] Demian P, Fruchter R.
Journal of Computing in Civil Engineering, 2005, 19(2):p.119-136
Online since: November 2012
Authors: Jing Li, Zhe Wang, Ren Jie Shang
Experimental Study on Mechanical Behavior of Concrete Loading along Path (Constant Stress, Constant Strain, Increasing Strain)
Zhe Wang 1, a, Jing Li 1, b and Renjie Shang 2, c
1 School of Civil Engineering Beijing Jiaotong University, Beijing 100044, China
2 Central Research Institutes of Building and Construction, MCC Group; Beijing 100088,China
a zhwang@bjtu.edu.cn, b 314666466@qq. com, cshangrj2000@yahoo.com.cn
Keywords: normal concrete; constant stress; constant stress; strength; strain.
Using the solid defoamer produced in Beijing Construction Engineering Research Institute.
Bishop, Sixth Rankine lecture: the strength of soil as engineering material, Geotechnique, 16 (1966) 89-130
Zhang, Experimental investigation of concrete strength under biaxial and triaxial compressive stresses, China Civil Engineering Journal, 2 (1987) 15-27
Ma, Mechanical behavior of concrete under triaxial compression - Loaded along paths in (stress, train, train) pace, Electric Technology and Civil Engineering, (2011) 2358-2361.
Using the solid defoamer produced in Beijing Construction Engineering Research Institute.
Bishop, Sixth Rankine lecture: the strength of soil as engineering material, Geotechnique, 16 (1966) 89-130
Zhang, Experimental investigation of concrete strength under biaxial and triaxial compressive stresses, China Civil Engineering Journal, 2 (1987) 15-27
Ma, Mechanical behavior of concrete under triaxial compression - Loaded along paths in (stress, train, train) pace, Electric Technology and Civil Engineering, (2011) 2358-2361.
Online since: December 2010
Authors: Qiu Hua Duan, Meng Lin Lou
Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, School of Civil Engineering and Archittecture , Guangxi University, Nanning 530004, P.R.
State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, P.
Li, Seismic response analysis of large scale aqueducts, China Civil Engineering Journal, 2001, 34(3), 29-34, in Chinese
Tang etc., Anti-seismic analysis of aqueduct structure, Journal of Hydroelectric Engineering, 2004, 23(5), 40-43, in Chinese
Pan, Estimation of vertical seismic action for large-scale beam aqueduct, China Civil Engineering Journal, 2003, 36(2), 10-15, in Chinese
State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, P.
Li, Seismic response analysis of large scale aqueducts, China Civil Engineering Journal, 2001, 34(3), 29-34, in Chinese
Tang etc., Anti-seismic analysis of aqueduct structure, Journal of Hydroelectric Engineering, 2004, 23(5), 40-43, in Chinese
Pan, Estimation of vertical seismic action for large-scale beam aqueduct, China Civil Engineering Journal, 2003, 36(2), 10-15, in Chinese