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Online since: April 2014
Authors: Jiri Brozovsky, Jan Hurta, Marek Jašek, Lucie Mynarzova
Numerical Investigation of a Masonry Column Reinforced by the Helical Reinforcement
Marek Jašek1,a, Lucie Mynarzová1,b, Jan Hurta1,c and Jiří Brožovský1,d
1 VSB-TU of Ostrava, Faculty of Civil Engineering, L.
In civil engineering there are also numerous fields of application for these materials, which can be used for construction of new buildings as well as for reparation and improvement of older structures.
Center for Infrastructure Engineering Studies (CIES), University of Missouri-Rolla. 2010
Proceedings of the International Assoc. for Bridge and Structural Engineering. 1975, vol 19, pp.1-30
In civil engineering there are also numerous fields of application for these materials, which can be used for construction of new buildings as well as for reparation and improvement of older structures.
Center for Infrastructure Engineering Studies (CIES), University of Missouri-Rolla. 2010
Proceedings of the International Assoc. for Bridge and Structural Engineering. 1975, vol 19, pp.1-30
Online since: July 2014
Authors: Li Liu, Ya Nan Liu, Bo Wang, Ju Chao Wang
Analysis on Lateral Deformation of High-formwork in Different Column’s Spacing of Bridging
li Liu1, a , Bo Wang2,b , Yanan Liu3,c and Juchao Wang4,d
1School of Civil Engineering Shenyang Jianzhu University, Shenyang, China
2School of Civil Engineering Shenyang Jianzhu University, Shenyang, China
3School of Civil Engineering Shenyang Jianzhu University, Shenyang, China
4 School of Civil Engineering Shenyang Jianzhu University, Shenyang, China
aliuli1219@sina.com, bmiwbmang@163.com, ctheral@163.com,djiejiaowang123@163.com
Keywords: ABAQUS, high-formwork, bridging, deformation
Abstract.
Introduction Along with the improving requirement of high and tall across the space on the industrial and civil building, the high-formwork is used more and more frequent, the usage requirements are also more and more high during construction[1].Since high-form belongs to the time-varying structure[2-4], it is easy to cause global or local buckling, it may cause the collapse of the whole high-formwork system when the situation becomes serious, and thus many accidents happen[5-6].
[8] Jinchang Wang, Yekai Chen: Application of ABAQUS in Civil Engineering, [M], Zhengjiang University Pass, 2006
Introduction Along with the improving requirement of high and tall across the space on the industrial and civil building, the high-formwork is used more and more frequent, the usage requirements are also more and more high during construction[1].Since high-form belongs to the time-varying structure[2-4], it is easy to cause global or local buckling, it may cause the collapse of the whole high-formwork system when the situation becomes serious, and thus many accidents happen[5-6].
[8] Jinchang Wang, Yekai Chen: Application of ABAQUS in Civil Engineering, [M], Zhengjiang University Pass, 2006
Online since: September 2011
Authors: Yang Hang Shi, Chong Wu, De Hai Yu, Li Dan Yang, Jing Yu Xu
Strategies on Earthquake Prevention and Disaster Mitigation in Rural
Yang-hang SHI, Lidan YANG, Chong WU, Dehai YU, Jingyu XU
College of Civil Engineering, HuaQiao University, Quanzhou, Fujian 362021, China
d.s666@163.com, yanglidan0000@163.com, wuchong20@126.com
Key Words: Rural, Earthquake prevention and disaster mitigation, Collapse mechanism, Potential risks; Strategy for disaster reduction
Abstract.
Throughout history till today, earthquake prevention and disaster mitigation has been the eternal subject in engineering field.
On the other hand, in line with “rescuing” principle in order of importance and urgency, corresponding classification of disaster prevention and certain applicable and practical disposal ideas will be put forward in order to provide references for engineering practice and application as well as management and policy making for relevant department.
Houses in villages and towns still take civil and half-timbered as the main disaster bearing body.
In view of experience of earthquakes, engineering practice and safety needs, we suggest that we should optimize the shockproof standards of buildings, live up to “little damage under minor earthquake, moderate damage under moderate earthquake, major damage under major earthquake, no collapse under large earthquake”.
Throughout history till today, earthquake prevention and disaster mitigation has been the eternal subject in engineering field.
On the other hand, in line with “rescuing” principle in order of importance and urgency, corresponding classification of disaster prevention and certain applicable and practical disposal ideas will be put forward in order to provide references for engineering practice and application as well as management and policy making for relevant department.
Houses in villages and towns still take civil and half-timbered as the main disaster bearing body.
In view of experience of earthquakes, engineering practice and safety needs, we suggest that we should optimize the shockproof standards of buildings, live up to “little damage under minor earthquake, moderate damage under moderate earthquake, major damage under major earthquake, no collapse under large earthquake”.
Online since: August 2013
Authors: Yan Peng Zhu, Chen Yi Hui
Analysis of the reliability of soil nailing supporting structure
Chenyi Hui1,a, Yanpeng Zhu2,b
1,2Key Laboratory of Disaster Mitigation in Civil Engineering of Gansu Province, Lanzhou University of Technology, Lanzhou 730050, China
1,2Western Engineering Research Center of Disaster Mitigation in Civil Engineering of Ministry of Education, Lanzhou University of Technology, Lanzhou, 730050, China
a huichenyi@163.com, bzhuyp@lut.cn
Keywords: Soil nailing supporting structure; Limit State; Safety Factor; Reliability.
The safety coefficient is verified by the reliability index, so that the engineering more safety.
Chinese Journal of Civil Engineering Reconnaissance, Vol.6, pp.1-5, 1997(In Chinese)
Chinese Journal of Geotechnical Engineering Technique, Vol.3, pp.1-5, 1998(In Chinese).
Chinese Journal of Geotechnical Engineering Technique
The safety coefficient is verified by the reliability index, so that the engineering more safety.
Chinese Journal of Civil Engineering Reconnaissance, Vol.6, pp.1-5, 1997(In Chinese)
Chinese Journal of Geotechnical Engineering Technique, Vol.3, pp.1-5, 1998(In Chinese).
Chinese Journal of Geotechnical Engineering Technique
Online since: July 2015
Authors: Mohsen Oghabi, Aminaton Marto, Nor Zurairahetty Mohd Yunus
Bearing capacity of Circular footing on Sand Deposit
Aminaton Marto1,A, Mohsen Oghabi2,B* And Nor Zurairahetty Mohd Yunus3,C
1Professor of Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Malaysia
2,*(Corresponding author) PhD Student of Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Malaysia
3Senior Lecturer of Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Malaysia
a aminaton@utm.my, b mohsenoghabi@gmail.com, c nzurairahetty@utm.my
Keywords: Bearing Capacity, Sand Deposit, Circular Footing, Model Test, ABAQUS.
Bearing capacity and settlement are two important parameters in geotechnical engineering.
The bearing capacity of circular foundations on sandy soils is important to geotechnical practicing engineers.
Introduction Soil is an important material in most of the engineering projects.
[8] Tafreshi, S N Moghaddas. et.al.: Experimental and numerical investigation on circular footing subjected to incremental cyclic loads, International Journal of Civil Engineering, 9(4) (2011)
Bearing capacity and settlement are two important parameters in geotechnical engineering.
The bearing capacity of circular foundations on sandy soils is important to geotechnical practicing engineers.
Introduction Soil is an important material in most of the engineering projects.
[8] Tafreshi, S N Moghaddas. et.al.: Experimental and numerical investigation on circular footing subjected to incremental cyclic loads, International Journal of Civil Engineering, 9(4) (2011)
Online since: January 2014
Authors: Xiao Lei Wang, Tian Liang, Tie Dong Qi
Study on Cable Force Optimization for Extradosed Cable-stayed Bridge under the Rational Completion Stage
Xiaolei Wang1, a, Tian Liang2, b and Tiedong Qi1, c
1 Research Institute of Highway, Ministry of Transport, Beijing, 100088, China
2Beijing University of Civil Engineering and Architecture, Beijing, 100044, China
abgdw@163.com, bliangtain1630@163.com, c4704198@qq.com
Keywords: Extradosed cable-stayed bridge, Optimization, Cable force, Effect matrix method
Abstract.
The paper puts forward a new optimization method, which applies the unknown coefficient functions aided by MIDAS/CIVIL, it takes the reasonable feasible range of dead moment solved by stress balanced method as the constraint condition, makes the square of unknown coefficients as objective function, and solves the cable force based on the effect matrix method thus to determine the cable force in reasonably completion state.
Through the optimization analysis of actual program, the optimal cable force confirmed to engineering requirements and design demands could be solved.
Modulated vector: D=d1,d2,⋯dmT (1) Transferred vector:X=x1,x2,⋯xmT (2) Affection vector:C=c1,c2,⋯cmT (3) Affection matrix: C=c1,c2,⋯cl=c11⋯c1l⋯⋯⋯cm1⋯c3l (4) The unknown coefficient method in MIDAS/CIVIL can conveniently extract the affection matrix and avoid complicated calculation.
Structural Engineering and Mechanics.1999, 7(3):241-257
The paper puts forward a new optimization method, which applies the unknown coefficient functions aided by MIDAS/CIVIL, it takes the reasonable feasible range of dead moment solved by stress balanced method as the constraint condition, makes the square of unknown coefficients as objective function, and solves the cable force based on the effect matrix method thus to determine the cable force in reasonably completion state.
Through the optimization analysis of actual program, the optimal cable force confirmed to engineering requirements and design demands could be solved.
Modulated vector: D=d1,d2,⋯dmT (1) Transferred vector:X=x1,x2,⋯xmT (2) Affection vector:C=c1,c2,⋯cmT (3) Affection matrix: C=c1,c2,⋯cl=c11⋯c1l⋯⋯⋯cm1⋯c3l (4) The unknown coefficient method in MIDAS/CIVIL can conveniently extract the affection matrix and avoid complicated calculation.
Structural Engineering and Mechanics.1999, 7(3):241-257
Online since: September 2024
Preface
The annual International Scientific Applied Conference "Problems of Emergency Situations" (PES) is organized by the National University of Civil Defence of Ukraine (Ukraine, Kharkiv).
The representatives from the Odesa State Academy of Civil Engineering and Architecture (Ukraine, Odesa) were involved as partners in PES 2024.
The purpose of the conference was to discuss issues related to the problems and prospects of introducing the latest developments and technologies aimed at preventing emergencies, minimizing their consequences in the field of civil defence, sharing experience and finding new facets of scientific cooperation, solving problems of recent emergencies that create a global threat to humanity.
The representatives from the Odesa State Academy of Civil Engineering and Architecture (Ukraine, Odesa) were involved as partners in PES 2024.
The purpose of the conference was to discuss issues related to the problems and prospects of introducing the latest developments and technologies aimed at preventing emergencies, minimizing their consequences in the field of civil defence, sharing experience and finding new facets of scientific cooperation, solving problems of recent emergencies that create a global threat to humanity.
Online since: November 2012
Authors: Guo Qing Yuan, Nan Zhu
With the engineering application standards’ appearing, it is becoming an urgent need that we should have one or some connection methods for FRP bars which can be selected and used by engineers.
Ou, Study on smart FBG sensors and their applications in civil engineering, Chinese High Technology Letters, 4 (2005) 23-28
Lu, Application of high performance FRP and innovations of structure engineering, Journal of Architecture and Civil Engineering, 1 (2005) 1-5
Ye, FRP structures and FRP composite structures in structural engineering, China Civil Engineering Journal, 3 (2006) 14-18
Yang, High performance fiber reinforced composite and modern civil engineering application, in: The 15th National Composite Materials Academic Conference, 2008, 31-36
Ou, Study on smart FBG sensors and their applications in civil engineering, Chinese High Technology Letters, 4 (2005) 23-28
Lu, Application of high performance FRP and innovations of structure engineering, Journal of Architecture and Civil Engineering, 1 (2005) 1-5
Ye, FRP structures and FRP composite structures in structural engineering, China Civil Engineering Journal, 3 (2006) 14-18
Yang, High performance fiber reinforced composite and modern civil engineering application, in: The 15th National Composite Materials Academic Conference, 2008, 31-36
Online since: January 2012
Authors: Jin Cheng, Rui Liu, Yu Zhang, Ping Liu
Research on the application of compound-grouting reinforcement technology to earthquake damaged masonry structure
Yu Zhang1, a Ping Liu2,b Jin Cheng3,c Rui Liu4,d
1The Department of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, China;
2The Department of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, China;
3The Department of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, China;
4The Department of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, China;
azhangyu@swust.edu.cn, bliuping@swust.edu.cn, cchenjin@swust.edu.cn, d441420636@qq.com
Keywords: Compound-grouting reinforcement, Masonry, Bearing capacity
Abstract.
By comparing the bearing capacity of the walls before and after repaired and reinforced and calculating, the result that reinforcement effect is good when adopting compound-grouting reinforcement technique to reinforce the masonry walls and the bearing capacity of reinforced walls is restored and improved is got. 1.Introduction Multi-story brick-concrete house is one of the main structures of civil buildings, whose quantity is the biggest and which is widely distributed in town construction in our country.
Earthquake damage survey, reinforced measures and introspection after earthquake of partial buildings in Wenchuan earthquake.civil and architecture of Shenzhen.2008 [3] Tan Yongkui.
By comparing the bearing capacity of the walls before and after repaired and reinforced and calculating, the result that reinforcement effect is good when adopting compound-grouting reinforcement technique to reinforce the masonry walls and the bearing capacity of reinforced walls is restored and improved is got. 1.Introduction Multi-story brick-concrete house is one of the main structures of civil buildings, whose quantity is the biggest and which is widely distributed in town construction in our country.
Earthquake damage survey, reinforced measures and introspection after earthquake of partial buildings in Wenchuan earthquake.civil and architecture of Shenzhen.2008 [3] Tan Yongkui.
Online since: September 2016
Authors: Vladimir Popov, Mikhail Plyusnin, Valeriy Morozov, Yury Pukharenko
Mordovskiy, Utochnenie raschetov kak sposob povyshenija bezopasnosti zdanij i sooruzhenij [Calculation refinement as a method to improve the safety of buildings and structures], Bulletin of the Samara State University of Architecture and Civil Engineering (Vestnik SGASU). 3(11) (2013) 26-28
Plyusnin, Ocenka nesushhej sposobnosti zhelezobetonnyh konstrukcij v estestvennyh uslovijah holodnogo klimata [Assessment of reinforced concrete structure's bearing capacity in the natural cold climate condition], Bulletin of Civil Engineers. 2 (43) (2014) 42-47
Plyusnin, Vlijanie deformacionnyh harakteristik betona na nesushhuju sposobnost' izgibaemyh zhelezobetonnyh jelementov [Effect of concrete stress-strain characteristics on bearing capacity of flexural reinforced concrete elements], Industrial and Civil Engineering Journal. 8 (2015) 5-10
Plyusnin, Vlijanie izmenchivosti harakteristik betona i armatury na nesushhuju sposobnost' izgibaemyh zhelezobetonnyh jelementov [Effect of variability of concrete and reinforcement characteristics on bearing capacity of flexural reinforced concrete elements], Bulletin of Civil Engineers. 3(50) (2015) 80-84
Khegai, Issledovanija vnecentrenno szhatyh s bol'shim jekscentrisitetom fibrobetonnyh jelementov, armirovannyh vysokoprochnoj armaturoj [Researches of eccentrically compressed with big eccentricity fiber-reinforced concrete elements, reinforced with high-strength reinforcement], Bulletin of Civil Engineers. 4(29) (2011) 38-41.
Plyusnin, Ocenka nesushhej sposobnosti zhelezobetonnyh konstrukcij v estestvennyh uslovijah holodnogo klimata [Assessment of reinforced concrete structure's bearing capacity in the natural cold climate condition], Bulletin of Civil Engineers. 2 (43) (2014) 42-47
Plyusnin, Vlijanie deformacionnyh harakteristik betona na nesushhuju sposobnost' izgibaemyh zhelezobetonnyh jelementov [Effect of concrete stress-strain characteristics on bearing capacity of flexural reinforced concrete elements], Industrial and Civil Engineering Journal. 8 (2015) 5-10
Plyusnin, Vlijanie izmenchivosti harakteristik betona i armatury na nesushhuju sposobnost' izgibaemyh zhelezobetonnyh jelementov [Effect of variability of concrete and reinforcement characteristics on bearing capacity of flexural reinforced concrete elements], Bulletin of Civil Engineers. 3(50) (2015) 80-84
Khegai, Issledovanija vnecentrenno szhatyh s bol'shim jekscentrisitetom fibrobetonnyh jelementov, armirovannyh vysokoprochnoj armaturoj [Researches of eccentrically compressed with big eccentricity fiber-reinforced concrete elements, reinforced with high-strength reinforcement], Bulletin of Civil Engineers. 4(29) (2011) 38-41.