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Online since: June 2014
Authors: Mohd Fozi Ali, Khairi Khalid, Mohd Adzreel Makatar, Nor Faiza Abd Rahman
Erosion Assessment of Slope Failure Tragedies; A Case Study in
Malaysia
Mohd Fozi Ali1, a, Mohd Adzreel Makatar1,b , Khairi Khalid1,c
and Nor Faiza Abd Rahman1,d
1 Faculty of Civil Engineering
Universiti Teknologi MARA,Malaysia
a mohdfozi@salam.uitm.edu.my, b adzreel.makatar@gmail.com, ckhairikh@pahang.uitm.edu.my dnorfaiza128@gmail.com
Keywords: Erosion induced slope failure, slope characteristics, erosion and rainfall characteristics, structures characteristics.
In order to determine the parameters involving erosion induced slope failure, data were obtained from a few agencies in Malaysia such as Slope Engineering Branch, Public Works Department Malaysia (PWD), Department of Irrigation and Drainage Malaysia (DID) and International Research Centre on Disaster Prevention (IRCDIP), UiTM.
[3] Software Technical Report, "Slope management and risk tracking system", Slope Engineering Branch, Public Works Department. 2005
Morgan, "Soil erosion, processes and mechanics of erosion", National College of Agricultural Engineering Silsoe, Bedfordshire. pp.11, 1980
Mazidah, "Establishment of soil erosion scale with regards to soil grading characteristic", 2nd World Engineering Congress, Sarawak, Malaysia, pp.235 – 239, 2002
In order to determine the parameters involving erosion induced slope failure, data were obtained from a few agencies in Malaysia such as Slope Engineering Branch, Public Works Department Malaysia (PWD), Department of Irrigation and Drainage Malaysia (DID) and International Research Centre on Disaster Prevention (IRCDIP), UiTM.
[3] Software Technical Report, "Slope management and risk tracking system", Slope Engineering Branch, Public Works Department. 2005
Morgan, "Soil erosion, processes and mechanics of erosion", National College of Agricultural Engineering Silsoe, Bedfordshire. pp.11, 1980
Mazidah, "Establishment of soil erosion scale with regards to soil grading characteristic", 2nd World Engineering Congress, Sarawak, Malaysia, pp.235 – 239, 2002
Online since: January 2015
Authors: Zi Chun Mao, Dong Wang, Yuan Bo Liu
Measures to control the temperature of the concrete cracks in foundation mass
Zichun Mao1, a, Dong Wang2,b and Yuanbo Liu 3,c
Faculty of Civil and Architectural Engineering, Kunming University of Science and Technology, Yunnan650500, China
a615578959@qq.com, b1642525676@qq.com, c48442387@qq.com
Keywords: Foundation Slabs, Temperature Crack Control, Massive Concrete.
Project Overview Kunming Area with ultra-high-rise office building in Beishi Area foundation engineering design plane dimensions: 36.5×37.6m, depth 1.8m, to be concrete 2675m³, central core tube section plane dimensions: 7.6×9.8m, depth 3.9m, the lower need concrete 154m³, construction time in April, average atmospheric temperature 24 ˚C.
Large concrete foundation engineering construction crack control of temperature control index [J] - Northwest Institute of Architectural Engineering 1999 (2)
Control large cracks in concrete floor construction volume [J] - Shenyang Institute of Architectural Engineering (Natural Science) 2000 (1)
Project Overview Kunming Area with ultra-high-rise office building in Beishi Area foundation engineering design plane dimensions: 36.5×37.6m, depth 1.8m, to be concrete 2675m³, central core tube section plane dimensions: 7.6×9.8m, depth 3.9m, the lower need concrete 154m³, construction time in April, average atmospheric temperature 24 ˚C.
Large concrete foundation engineering construction crack control of temperature control index [J] - Northwest Institute of Architectural Engineering 1999 (2)
Control large cracks in concrete floor construction volume [J] - Shenyang Institute of Architectural Engineering (Natural Science) 2000 (1)
Online since: September 2013
Authors: Xiao Yi Fan, Yao Xun Zeng
Evaluation of seismic landslide runout distance based on the fuzzy mathematics and range analysis
Yaoxun Zeng1, a, Xiaoyi Fan1,2 b
1School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, China 621010
2State Key Laboratory of Geo-Hazard Prevention and Geo-Environment Protection, Chengdu University of Technology, Chengdu, China 610059
ayxzeng0212@163.com, bxyfan1003@126.com
Keywords: seismic landslide, runout distance, fuzzy mathematics, range analysis
Abstract.
Acknowledgements This work was supported by the grants from the National Natural Science Foundation of China (No. 41272297), Nation Scientific and Technological Support Project of China (No. 2011BAK12B01) and China Postdoctoral Science Foundation (No. 2013M531943) References [1] Yueping Yin: Journal of Engineering Geology, Vol. 17 (2009), p. 29.
Engineering Geology, Vol. 63 (2002), p. 301
Engineering Geology, Vol. 75 (2004), p. 229
[5] Xiaoyi Fan, Jianping Qiao: Journal of Rock Mechanics and Engineering, Vol. 29(2010), p. 2337.
Acknowledgements This work was supported by the grants from the National Natural Science Foundation of China (No. 41272297), Nation Scientific and Technological Support Project of China (No. 2011BAK12B01) and China Postdoctoral Science Foundation (No. 2013M531943) References [1] Yueping Yin: Journal of Engineering Geology, Vol. 17 (2009), p. 29.
Engineering Geology, Vol. 63 (2002), p. 301
Engineering Geology, Vol. 75 (2004), p. 229
[5] Xiaoyi Fan, Jianping Qiao: Journal of Rock Mechanics and Engineering, Vol. 29(2010), p. 2337.
Online since: September 2016
Authors: Andrea Pattarini, Liberato Ferrara
Siloxanes in Concrete: From Manual Application of Water-Proofing Treatments to Mix-Design Addition for Concrete Hydrophobicity
Liberato FERRARA1, a * and Andrea PATTARINI2,b
1Department of Civil and Environmental Engineering, Politecnico di Milano,
Piazza Leonardo da Vinci 32, 20133 Milan, Italy
2Azichem Ltd., Goito (MN), Italy
aliberato.ferrara@polimi.it, ba.pattarini@azichem.com
* corresponding author
Keywords: water-proofing, siloxanes, hydrophobicity.
In the afore pictured framework, together with the already well “acquired” ability to design and cast a concrete as compact and impervious as possible, the engineering community has always keenly looked at the concept and development of easily applicable and durable water proofing treatments.
The mechanism of action of silane and siloxane molecules is thus able to create a nano-engineered pore-surface which may result into a highly increased water to surface contact angle and has been recently successfully exploited to produce “hydrophobic” concrete, with reported positive synergy also when in combination with dispersed fiber reinforcement [9].
The collaboration of MEng Isabella Capriglia in performing experimental tests and reducing data, in partial fulfilment of the requirements for her MEng in Building Engineering is also gratefully acknowledged.
Sobolev, Hydrophobic engineered cementitious composites for highway applications, Cem.
In the afore pictured framework, together with the already well “acquired” ability to design and cast a concrete as compact and impervious as possible, the engineering community has always keenly looked at the concept and development of easily applicable and durable water proofing treatments.
The mechanism of action of silane and siloxane molecules is thus able to create a nano-engineered pore-surface which may result into a highly increased water to surface contact angle and has been recently successfully exploited to produce “hydrophobic” concrete, with reported positive synergy also when in combination with dispersed fiber reinforcement [9].
The collaboration of MEng Isabella Capriglia in performing experimental tests and reducing data, in partial fulfilment of the requirements for her MEng in Building Engineering is also gratefully acknowledged.
Sobolev, Hydrophobic engineered cementitious composites for highway applications, Cem.
Online since: March 2012
Authors: Zhi Ping Kuang, Qiu Hua Yang, Lei Xie, Hao Xu
The Dynamic Response Analysis for Frame Structure in Consideration of Soil Structure Interaction under Explosive Load
Zhi-ping Kuang1,a, Qiu-hua Yang2,b, Lei Xie3,b and Hao Xu 3,c
1 Department of Building Engineering,Tongji University Shanghai China 200092
2 Department of Building Engineering,Tongji University Shanghai China 200092
a zhipingkuang@163.com, b yangqiuhua@tongji.edu.cn, cxielei-001@163.com
Keywords: blast loads, structure-foundation interaction, ANSYS/LS-DYNA, analysis for dynamic respond
Abstract.
Usually 5 layers of the following civil construction, thickness not less than 250mm.
[3] Wolf J P, in: A comparison of time-domain transmitting boundary, submitted to Earthquake Engineering and Structural Dynamics, Vol. 14(4): 655-673(1986) [4] Kausel E, Local Transmiting Boundaries, edited by Journal of Engineering Mechanics, Vol. 114(6): 1011-1027(1988) [5] Lysmer J, Kulemeyer R L: Finite dynamic model for infinite media. submitted to Journal of Engineering Mechanics Division, ASCE, Vol.95(4): 859-877(1969) [6] Smith 95: A non-reflecting boundary for wave propagation problems. submitted to Journal of Computational Physics, Vol.15(4): 492-503(1974) [7] Kunar R R, Magi J: A non-reflecting boundary for explicit calculations.
Usually 5 layers of the following civil construction, thickness not less than 250mm.
[3] Wolf J P, in: A comparison of time-domain transmitting boundary, submitted to Earthquake Engineering and Structural Dynamics, Vol. 14(4): 655-673(1986) [4] Kausel E, Local Transmiting Boundaries, edited by Journal of Engineering Mechanics, Vol. 114(6): 1011-1027(1988) [5] Lysmer J, Kulemeyer R L: Finite dynamic model for infinite media. submitted to Journal of Engineering Mechanics Division, ASCE, Vol.95(4): 859-877(1969) [6] Smith 95: A non-reflecting boundary for wave propagation problems. submitted to Journal of Computational Physics, Vol.15(4): 492-503(1974) [7] Kunar R R, Magi J: A non-reflecting boundary for explicit calculations.
Online since: October 2010
Authors: Shao Fei Jiang, Zhao Qi Wu, Chun Fu
Intelligent data-fusion model using correlation fractal dimension for
structural damage identification
Shao-Fei Jiang
1,a
, Chun Fu 1,2,b
and Zhao-Qi Wu
1,c
1
College of Civil Engineering, Fuzhou University, Fuzhou 350108, China;
2
Liao Ning Shihua University, Liaoning, Fushun 113001, China
a
cejsf@fzu.edu.cn, bfuchun_521@163.com, czhaoqi_wu@fzu.edu.cn
Keywords: correlation fractal dimension; damage detection; probabilistic neural network; data
fusion
Abstract.
References [1] J.M.Ko, Y.Q.Ni: Engineering Structures Vol. 27(2005), p.1715-1725 [2] C.P.Fritzen, P.K.raemer:Mechanical Systems and Signal Processing Vol.23(2009), p. 1830-1845 [3] Jian Li , Qian Du, Cai-xin Sun: Pattern Recognition Vol. 42(2009), p.2460-2469 [4] Hong-gang Bu, Jun Wang, Xiu-bao Huang: Engineering Applications of Artificial Intelligence Vol. 22(2009), p.224-235 [5] Jun-yan Yang, You-yun Zhang, Yong-sheng Zhu: Mechanical Systems and Signal Processing Vol. 21(2007), p.2012-2024 [6] Shao-Fei Jiang: Mechanics Engineering Vol. 26(sup II) (2009), p. 184-212 [7] Shao-Fei Jiang, Chun-Ming Zhang, Juan Yao: Submitted to Advances in Structural Engineering-An International Journal(2010)
References [1] J.M.Ko, Y.Q.Ni: Engineering Structures Vol. 27(2005), p.1715-1725 [2] C.P.Fritzen, P.K.raemer:Mechanical Systems and Signal Processing Vol.23(2009), p. 1830-1845 [3] Jian Li , Qian Du, Cai-xin Sun: Pattern Recognition Vol. 42(2009), p.2460-2469 [4] Hong-gang Bu, Jun Wang, Xiu-bao Huang: Engineering Applications of Artificial Intelligence Vol. 22(2009), p.224-235 [5] Jun-yan Yang, You-yun Zhang, Yong-sheng Zhu: Mechanical Systems and Signal Processing Vol. 21(2007), p.2012-2024 [6] Shao-Fei Jiang: Mechanics Engineering Vol. 26(sup II) (2009), p. 184-212 [7] Shao-Fei Jiang, Chun-Ming Zhang, Juan Yao: Submitted to Advances in Structural Engineering-An International Journal(2010)
Online since: October 2011
Authors: A. Vatani Oskouei, F. Kiakojouri
References
[1] Jacinto, Ambrosini, Danesi: Experimental and computational analysis of plates under air blast, International Journal of Impact Engineering. (2001)
[2] Jacob, Yuen, Nurick, Bonorchis, Desai, Tait: Scaling aspects of quadrangular plates subjected to localised blast loads experiments and predictions, International Journal of Impact Engineering. (2004)
[3] Ambrosini, Jacinto: Numerical-experimental study of steel plates subjected to blast loading, WIT Transactions on Engineering Sciences. (2005)
[4] Kadid: Stiffened plates subjected to uniform blast loading, Journal of civil engineering and management. (2008)
[5] Hibbitt.
Pawtucket (RI): Karlsson and Sorensen, ABAQUS theory manual, Version 6.10. (2010) [6] Mendis, Gupta, Ramsay, Blast Loading and Blast Effects on Structures, EJSE Special Issue: Loading on Structures. (2007) [7] Chopra, Dynamics of structures: theory and application to earthquake engineering, Prentice Hall Inc. (2001)
Pawtucket (RI): Karlsson and Sorensen, ABAQUS theory manual, Version 6.10. (2010) [6] Mendis, Gupta, Ramsay, Blast Loading and Blast Effects on Structures, EJSE Special Issue: Loading on Structures. (2007) [7] Chopra, Dynamics of structures: theory and application to earthquake engineering, Prentice Hall Inc. (2001)
Online since: December 2006
Authors: Soon Jong Yoon, Jae Ho Jung, Seung Sik Lee, Young Ho Kim
Force Transfer Mechanism in Embedded Steel Column Bases
Young-Ho Kim
1,a
, Seungsik Lee2,b
, Jae-Ho Jung2,c, and Soon-Jong Yoon2,d
1
Sinil CNI, Rm. 701 Baekgung Plaza III, 156-2 Jeongja-dong, Bundang-gu,
Seongnam 468-834, Korea
2
Department of Civil Engineering, Hongik University, 72-1 Sangsu-dong, Mapo-gu,
Seoul 121-791, Korea
a
steelkyh@dreamwiz.com, bdrslee@naver.com, cjjhhjh@hanmir.com, dsjyoon@hongik.ac.kr
Keywords: embedded steel column base, force transfer, frictional resistance, stud connector
Abstract.
Moreover, the existing equations which are used by practicing engineers to evaluate the shear capacity of stud connectors installed in embedded steel column bases are originally developed for the analysis of stud connectors of steel-concrete composite beams, so that the use of the existing equations may not be justified.
Brown: Journal of Structural Engineering, Vol. 125 (1999), p. 142
Fisher: AISC Engineering Journal, Vol. 8, No. 2 (1971), p. 55
Kim: Journal of Structure and Construction Engineering (in Japan), Vol. 389 (1988), p. 79
Moreover, the existing equations which are used by practicing engineers to evaluate the shear capacity of stud connectors installed in embedded steel column bases are originally developed for the analysis of stud connectors of steel-concrete composite beams, so that the use of the existing equations may not be justified.
Brown: Journal of Structural Engineering, Vol. 125 (1999), p. 142
Fisher: AISC Engineering Journal, Vol. 8, No. 2 (1971), p. 55
Kim: Journal of Structure and Construction Engineering (in Japan), Vol. 389 (1988), p. 79
Online since: May 2012
Authors: Yuan Lin Liu, Su Lan Li, Hong Wei Li, Wu Sheng Hu
It can approximate any non-linear relationship by training, so used to solve many engineering forecasting problem.
Journal of Transportation Engineering, vol. 123, 261-266. (1997) [3] Z.
China Civil Engineering Journal, vol. 36, 11-15. (2003) (in Chinese) [6] M.S.
Traffic Engineering Control, vol. 34, 311-314. (1993) [7] B.
The theory of neural network and its applications in engineering [M].
Journal of Transportation Engineering, vol. 123, 261-266. (1997) [3] Z.
China Civil Engineering Journal, vol. 36, 11-15. (2003) (in Chinese) [6] M.S.
Traffic Engineering Control, vol. 34, 311-314. (1993) [7] B.
The theory of neural network and its applications in engineering [M].
Online since: July 2014
Authors: Xiao Liu, Xiao Yu, Bing Wang
Research on the characteristics and status of recycled concrete filled steel tube
Bing Wang 1, a, Xiao Liu1, b, Xiao Yu1,c
1School of Architectural and Civil Engineering, Shenyang University, Shenyang, 110044, China
aliuxiao19740701@sina.com, b489298344@qq.com , c283292935@qq.com
Keywords: Concrete filled steel tube, Recycled concrete, High temperature resistant.
The steel tube recycled concrete is a composite material which be formed by filling recycled concrete into the pipe, it can give full play to the existing advantages of steel tube filled with concrete, and give a solution to the enormous pressure that waste concrete to ecological environment, also, for the material of recycled concrete , because it has very good high temperature performance, its mechanical properties are rarely influenced by temperature, the increase of temperature did not significantly decrease the mechanical properties, the properties that make up the shortcomings of low resistance to fire performance of steel, which makes the high temperature for steel recycled concrete applied to concrete filled steel tubular structure, and for the application of recycled concrete provided broad prospects in structural engineering.
(a)Expressway of Yaan to Lugu (b)Construction site (c)Industrial production (d)Site installation Fig.1 The engineering examples of steel tube filled with recycled concrete High temperature resistant performance of steel tube filled with recycled concrete In the disasters that people faced, fire is the one which has highest frequency of occurrence and the largest span of time and space.
Steel tube concrete subjected to bending properties of [J].Earthquake engineering and engineering vibration, 2005 (03)
The steel tube recycled concrete is a composite material which be formed by filling recycled concrete into the pipe, it can give full play to the existing advantages of steel tube filled with concrete, and give a solution to the enormous pressure that waste concrete to ecological environment, also, for the material of recycled concrete , because it has very good high temperature performance, its mechanical properties are rarely influenced by temperature, the increase of temperature did not significantly decrease the mechanical properties, the properties that make up the shortcomings of low resistance to fire performance of steel, which makes the high temperature for steel recycled concrete applied to concrete filled steel tubular structure, and for the application of recycled concrete provided broad prospects in structural engineering.
(a)Expressway of Yaan to Lugu (b)Construction site (c)Industrial production (d)Site installation Fig.1 The engineering examples of steel tube filled with recycled concrete High temperature resistant performance of steel tube filled with recycled concrete In the disasters that people faced, fire is the one which has highest frequency of occurrence and the largest span of time and space.
Steel tube concrete subjected to bending properties of [J].Earthquake engineering and engineering vibration, 2005 (03)