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Online since: April 2014
Authors: Bo Liu, Pei Sheng Xi
Construction Technology of One Unsymmetrical loaded Deep Foundation Pit Adjacent to Expressway Subgrade
Bo Liu1,a, Peisheng Xi1,b
1School of civil Engineering, Anhui Jianzhu University, Hefei, Anhui, 230601, China
aaualiubo@163.com, bxipeisheng@163.com
Keywords: Unsymmetrical load, Deep foundation pit, Construction technology, Adjacent to expressway, Field monitoring
Abstract.
Project Overview Engineering site and design scheme Foundation pit lies in the east side of HuiZhou Road in Hefei, adjacent to the existed G20 Hefei Ring Expressway, the shortest distance from edge of foundation pit to subgrade slope is only 6.2m, and the subgrade is 5.4m higher than the foundation pit plan, leading to the foundation pit in an unsymmetrical state, the north side of foundation pit is temporary road for construction, which is shown in Fig. 1.
Fig. 1 Cross section of the deep foundation pit Fig. 2 Longitudinal profile of retaining structure Engineering geological condition According to a large number of engineering geological investigation data and testing data, the engineering site is orderly covered with Quaternary sediment such as alluvial and diluvial soil (Q4al+pl), alluvial soil (Q3al), alluvial soil (Q2al) respectively from the top to bottom, the subterrane is Quaternary siltstone.
Because of the scientific design, normative construction and frequent monitoring, the foundation pit and subgrade kept stable during all the periods of excavation, no one engineering accident was occurred.
Chinese Journal of Rock Mechanics and Engineering 2011; 30(4): 826-833 (in Chinese)
Project Overview Engineering site and design scheme Foundation pit lies in the east side of HuiZhou Road in Hefei, adjacent to the existed G20 Hefei Ring Expressway, the shortest distance from edge of foundation pit to subgrade slope is only 6.2m, and the subgrade is 5.4m higher than the foundation pit plan, leading to the foundation pit in an unsymmetrical state, the north side of foundation pit is temporary road for construction, which is shown in Fig. 1.
Fig. 1 Cross section of the deep foundation pit Fig. 2 Longitudinal profile of retaining structure Engineering geological condition According to a large number of engineering geological investigation data and testing data, the engineering site is orderly covered with Quaternary sediment such as alluvial and diluvial soil (Q4al+pl), alluvial soil (Q3al), alluvial soil (Q2al) respectively from the top to bottom, the subterrane is Quaternary siltstone.
Because of the scientific design, normative construction and frequent monitoring, the foundation pit and subgrade kept stable during all the periods of excavation, no one engineering accident was occurred.
Chinese Journal of Rock Mechanics and Engineering 2011; 30(4): 826-833 (in Chinese)
Online since: September 2013
Authors: Heru Purnomo, R.G. Raka Basmara Putra, R. Mochammad Syaifulloh, Iwan Sulistyawan
Mochammad1,c, and SULISTYAWAN Iwan1,d
1Laboratory of Structure and Materials, Civil Engineering Department, Engineering Faculty, Universitas Indonesia, Kampus Depok, 16424 Depok, Indonesia
aherupur@eng.ui.ac.id, barch_rk7@yahoo.com, cmr_eza_unj@yahoo.co.id, diwan_tmac_ui@rocketmail.com
Keywords: Unfired Bricks, Soil, Lime, Coconut Fibers, Compressive Strength, Modulus of Rupture, Fiber Treatment
Abstract.
A study on unfired clay bricks shows its engineering properties were all within the acceptable engineering standards for masonry units and suggests it for low-medium cost housing [2].
Muntohar, Engineering characteristic of the compressed-stabilized earth brick, Construction and Building Materials, 25-11 (2011) 4215-4220
Bai, Engineering properties of unfired clay masonry bricks, Engineering Geology, 107 (2009) 130-139
A study on unfired clay bricks shows its engineering properties were all within the acceptable engineering standards for masonry units and suggests it for low-medium cost housing [2].
Muntohar, Engineering characteristic of the compressed-stabilized earth brick, Construction and Building Materials, 25-11 (2011) 4215-4220
Bai, Engineering properties of unfired clay masonry bricks, Engineering Geology, 107 (2009) 130-139
Online since: October 2013
Authors: R. Guo, Jun Guo, Wen Hai Gai
Molecular Dynamics Approach and its Application in the Analysis of Multi-scale
Wenhai Gai1, a, Ran Guo1, *b and Jun Guo1, c
1Faculty of Civil and Architecture Engineering, Kunming University of Science and Technology, Kunming 650500, China
agaiwenhai11@163.com,*bprof.guo@189.cn, cstar526191@163.com
Keywords: multi-scale coupling approach, molecular dynamics, crack propagation
Abstract.
Then we actively make use of the inherent characteristics of the material in engineering and the practice.
Majored in mechanical engineering, Tsinghua University, 2003 [2] Rudd R E, Broughton J Q.
Engineering Computations, 2003, 20(5-6): 559~582 [11]Nattavut T, Ichikawa Y, Kawamura K, et al.
Modeling and Simulation in Materials Science and Engineering, 2003, 11 (3): 265~286 [13]Liu W K, Hao S, Vernerey FJ, et al.
Then we actively make use of the inherent characteristics of the material in engineering and the practice.
Majored in mechanical engineering, Tsinghua University, 2003 [2] Rudd R E, Broughton J Q.
Engineering Computations, 2003, 20(5-6): 559~582 [11]Nattavut T, Ichikawa Y, Kawamura K, et al.
Modeling and Simulation in Materials Science and Engineering, 2003, 11 (3): 265~286 [13]Liu W K, Hao S, Vernerey FJ, et al.
Online since: July 2015
Authors: Ruangdaj Tongsri, Kumpanat Sirivedin, Pinai Mungsantisuk, Nattaya Tosangthum, Rungtip Krataitong, Thanyaporn Yotkaew, Wasita Kiatdherarat, Sithipong Mahathanabodee, Monnapas Morakotjinda
Effects of Cooling Rate and Carbon Content on Mechanical Property of Sintered Fe-Cr-Mo Alloys
Wasita Kiatdherarat1,a, Pinai Mungsantisuk1,b,Ruangdaj Tongsri2,c*,
Sithipong Mahathanabodee3, Kumpanat Sirivedin1, Rungtip Krataitong2, Monnapas Morakotjinda2, Thanyaporn Yotkaew2 and Nattaya Tosangthum2
1The Sirindhorn International Thai-German Graduate School of Engineering (TGGS)
King Mongkut's University of Technology North Bangkok (KMUTNB)
1518 Pracharajsai 1 Road, Wongsawang, Bangsue, Bangkok 10800, Thailand
2Powder Metallurgy Research and Development Unit (PM_RDU), Thailand National Metal and Materials Technology Center, 114 Paholyothin, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand
3Department of Production Engineering, Faculty of Engineering
King Mongkut's University of Technology North Bangkok (KMUTNB)
1518 Pracharajsai 1 Road, Wongsawang, Bangsue, Bangkok 10800, Thailand
Emails: a pinjeee@gmail.com, b pinai.m.mme@tggs-bangkok.org, cruangdt@mtec.or.th
Keywords:
Archives of Civil and Mechanical Engineering 8 (2008) 103-117
Engineering, Technology & Applied Science Research 4 (2014) 686-689
Materials Science & Engineering A 611 (2014) 201–211
Journal of Achievements in Materials and Manufacturing Engineering 45 (2011) 115-124
Archives of Civil and Mechanical Engineering 8 (2008) 103-117
Engineering, Technology & Applied Science Research 4 (2014) 686-689
Materials Science & Engineering A 611 (2014) 201–211
Journal of Achievements in Materials and Manufacturing Engineering 45 (2011) 115-124
Online since: August 2013
Authors: Guo Ming Liu, Jin Wen He, Wen Qiao
ARX model identification of Shui-Kou concrete gravity dam based on seismic response data
Wen Qiao1, a, Guoming Liu1,b , Jinwen He2,c
1School of Civil Engineering, Fuzhou University, 2 Xue Yuan Road,
University Town, Fuzhou, Fujian, China 350108
2School of Water Conservancy and Hydropower, Hohai University,
1 Xi Kang Road, Nanjing, Jiangsu, China 210098
aannajo_wen@yahoo.com.cn, blgm6379@163.com, chejinwen2004@126.com
Keywords: Hydraulic structure, Modal parameters, Modal identification, Shui-Kou concrete gravity dam, ARX model, Seismic response data.
Journal of Hydroelectric Engineering, Vol.27 (2009),p.51-56 [3] OSAKI Yorihiko: Seismic specreal analysis ( Earthquake press, Beijing 2008) [4] Roy R.Craig Jr: Structural dynamics.
Soil Dynamics and Earthquake Engineering, Vol.15(1996),p.465-483 [6] Mansheng Wang, Xiyuan Zhou, Yuxian Hu: Identification of first-modal frequency and damping in soil-structural interaction(SSI)system.
World earthquake engineering, Vol.12(2007),p.205-211 [7] Huilan Cao, Shanyou LI, Lei Zhang, Wei Li: Comparison of ARX structural modal parameter identification methods by using theoretical time-histories of seismic responses.
Journal of earthquake engineering and engineering vibration, Vol.2(2009),p.123-129 [8] Yuxian Hu: Earthquake engineering.
Journal of Hydroelectric Engineering, Vol.27 (2009),p.51-56 [3] OSAKI Yorihiko: Seismic specreal analysis ( Earthquake press, Beijing 2008) [4] Roy R.Craig Jr: Structural dynamics.
Soil Dynamics and Earthquake Engineering, Vol.15(1996),p.465-483 [6] Mansheng Wang, Xiyuan Zhou, Yuxian Hu: Identification of first-modal frequency and damping in soil-structural interaction(SSI)system.
World earthquake engineering, Vol.12(2007),p.205-211 [7] Huilan Cao, Shanyou LI, Lei Zhang, Wei Li: Comparison of ARX structural modal parameter identification methods by using theoretical time-histories of seismic responses.
Journal of earthquake engineering and engineering vibration, Vol.2(2009),p.123-129 [8] Yuxian Hu: Earthquake engineering.
Online since: August 2013
Authors: Jin Wei Zhao, Hai Yan Zhang
Management Research on the Construction Enterprise Project Cost
Hai Yan Zhang 1, a,Jin Wei Zhao2,b
1Building And Civil Engineering College Of Inner Mongolia University Of Science And Technology,BaoTou City Inner Mongolia Autonomous Region,China
2Mintal Group Co,Ltd, BaoTou City Inner Mongolia Autonomous Region,China
aZhanghaiyan197112@163.com, bztyzhy@126.com
Keywords: Project;The cost of the scheme;Control mechanisms; Investigate
Abstract.
Early in the budget, the relevant personnel to extensively collect and prepare all kinds of valuable information, including design drawings and specifications, the actual recording of the engineering survey, design and construction organization.
Engineering planning, to ensure that the quality of construction projects under the premise, to develop a scientific and effective cost control.
Construction materials offer unreasonable will result in the improvement of the engineering costs, construction enterprises to strengthen management efforts in this regard, additional relevant management part, earnestly safeguard the rationality of construction materials offer.Currently, many of our projects audit settlement program is not perfect, there are still many problems in the project settlement process.
On the engineering construction project construction management[J].
Early in the budget, the relevant personnel to extensively collect and prepare all kinds of valuable information, including design drawings and specifications, the actual recording of the engineering survey, design and construction organization.
Engineering planning, to ensure that the quality of construction projects under the premise, to develop a scientific and effective cost control.
Construction materials offer unreasonable will result in the improvement of the engineering costs, construction enterprises to strengthen management efforts in this regard, additional relevant management part, earnestly safeguard the rationality of construction materials offer.Currently, many of our projects audit settlement program is not perfect, there are still many problems in the project settlement process.
On the engineering construction project construction management[J].
Online since: July 2016
Authors: Nasser Khalili, Arash Tootoonchi, Arman Khoshghalb
Meshfree method analysis of Biot's consolidation using cell-based smoothed point interpolation method
Arash Tootoonchi1,a, Arman Khoshghalb1,b* and Nasser Khalili1,c
1School of Civil and Environmental Engineering, UNSW Australia, Sydney, NSW, 2052, Australia
aa.tootoonchi@unsw.edu.au, barman.khoshghalb@unsw.edu.au, cn.khalili@unsw.edu.au
Keywords: Meshfree method, Smoothed point interpolation method, Porous media, Three-point time discretization, Biot’s consolidation.
Computer methods in applied mechanics and engineering, (1996), 139(1): p. 3-47
International Journal for Numerical Methods in Engineering, (2001), 50(4): p. 937-951
International Journal for Numerical Methods in Engineering, (2002), 54(11): p. 1623-1648
International Journal for Numerical Methods in Engineering, (2004), 59(10): p. 1373-1397
Computer methods in applied mechanics and engineering, (1996), 139(1): p. 3-47
International Journal for Numerical Methods in Engineering, (2001), 50(4): p. 937-951
International Journal for Numerical Methods in Engineering, (2002), 54(11): p. 1623-1648
International Journal for Numerical Methods in Engineering, (2004), 59(10): p. 1373-1397
Online since: December 2013
Authors: Chin Cheng Huang, Chung Jung Lee, Wen Ya Chung, Chen Hui Tsai, Ting Chen, Wen Yi Hung, Yuan Chieh Wu
Centrifuge Modeling on Seismic Behavior of Pile in Liquefiable Soil Ground
Wen-Yi Hung1,a, Chung-Jung Lee2,b, Wen-Ya Chung2,c, Chen-Hui Tsai2,d, Ting Chen2,e, Huang, Chin-Cheng3,f, Yuan-Chieh Wu3,g
1 National Center for Research on Earthquake Engineering, National Applied Research Laboratories, 200, Sec. 3, HsinHai Rd., Taipei 106, Taiwan (R.O.C.)
2 Civil Engineering Department, National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan County 32001, Taiwan (R.O.C.)
3 Engineering Division, Institute of Nuclear Energy Research, Atomic Energy Council, No. 1000, Wenhua Rd., Jiaan Village, Longtan Township,Taoyuan County 32546, Taiwan (R.O.C.)
“Evaluation of pile foundation response to lateral spreading” Soil Dynamics and Earthquake Engineering, Vol. 22, pp. 1051-1058(2002)
“Static Pushover Analyses of Pile Groups in Liquefied and Laterally Spreading Ground in Centrifuge Tests,” Geotechnical and geoenvironmental Engineering, Vol.133(9), pp. 1055-1066 (2007)
“Terzaghi oration: Geotechnical Aspects of the 1995 Kobe Earthquake,” Proceedings of 14th International Conference on Soil Mechanics and Foundation Engineering, Hamburg, Germany, pp. 2047–2073(1997)
“Boundary effects of a laminar container in centrifuge shaking table tests,” Soil Dynamics and Earthquake Engineering, Vol. 34(1), 37-51(2012).
“Evaluation of pile foundation response to lateral spreading” Soil Dynamics and Earthquake Engineering, Vol. 22, pp. 1051-1058(2002)
“Static Pushover Analyses of Pile Groups in Liquefied and Laterally Spreading Ground in Centrifuge Tests,” Geotechnical and geoenvironmental Engineering, Vol.133(9), pp. 1055-1066 (2007)
“Terzaghi oration: Geotechnical Aspects of the 1995 Kobe Earthquake,” Proceedings of 14th International Conference on Soil Mechanics and Foundation Engineering, Hamburg, Germany, pp. 2047–2073(1997)
“Boundary effects of a laminar container in centrifuge shaking table tests,” Soil Dynamics and Earthquake Engineering, Vol. 34(1), 37-51(2012).
Online since: October 2012
Authors: Da Guo Wang, Qiang Li, Jin Xi Miao
The numerical experimental investigation on damage zone of surrounding rock of deep tunnel based on the elastic-plastic-brittle constitutive model
Wang DaGuo 1,a, Miao Jinxi1, Li Qiang 2
1The research center for material failure modeling, Dalian University, Dalian, 116622, China
2 Department of Civil Engineering, The University of Hong Kong, Hongkong, 999077, China
adan_wangguo@163.com
Key words: rock failure; rock caverns; rock stress
Abstract: A particular elastic-plastic-brittle constitutive model, considering the heterogeneity of rock and the features of deep engineering, is presented, in which the multiple yield criteria based on stress space and ductile failure criteria based on strain space are adopted, and the numerical method is FEM.
Ren: Chinese Journal of Rock Mechanics and Engineering Vol. 19 (2000), p. 577–583 (in Chinese)
Wang: Mechanics in Engineering Vol. 30(2008), p.64–67 (in Chinese)
He: Chinese Journal of Rock Mechanics and Engineering Vol. 26(2007), p. 982–986 (in Chinese)
Cai: Rock Mechanics and Engineering (Science press, China 2002) (in Chinese)
Ren: Chinese Journal of Rock Mechanics and Engineering Vol. 19 (2000), p. 577–583 (in Chinese)
Wang: Mechanics in Engineering Vol. 30(2008), p.64–67 (in Chinese)
He: Chinese Journal of Rock Mechanics and Engineering Vol. 26(2007), p. 982–986 (in Chinese)
Cai: Rock Mechanics and Engineering (Science press, China 2002) (in Chinese)
Online since: February 2015
Authors: V.C. de Almeida Cruz, Antonio Gilson Barbosa de Lima, M.M. Silva Nóbrega, L.H. de Carvalho, W.S. Cavalcanti, João M.P.Q. Delgado
Center of Sciences and Technology, Department of Mechanical Engineering, Av.
Aprígio Veloso, 882, Bodocongó, Zip Code 58429-900, Campina Grande, PB, Brazil 2LFC – Laboratory of Building Physics, Civil Engineering Department, Faculty of Engineering, University of Porto, Porto, Portugal. 3Federal University of Ceará, Department of Materials Engineering , Juazeiro do Norte, CE, Brazil 4Federal University of Campina Grande (UFCG).
Center of Sciences and Technology, Department of Materials Engineering, Campina Grande, PB, Brazil.
Applications are found in civil, military, industrial, space craft and biomedical sectors and involves, for example, automotive and building industries, railways, the gear case, main doors, luggage racks, floor/roof panels, berths, chair backings, interior panels and partitions, interior furnishing and seating, modular toilets, and lightweight coaches.
Callister Jr., Materials Science and Engineering an Introduction, John Wiley & Sons, Inc, New York 2007
Aprígio Veloso, 882, Bodocongó, Zip Code 58429-900, Campina Grande, PB, Brazil 2LFC – Laboratory of Building Physics, Civil Engineering Department, Faculty of Engineering, University of Porto, Porto, Portugal. 3Federal University of Ceará, Department of Materials Engineering , Juazeiro do Norte, CE, Brazil 4Federal University of Campina Grande (UFCG).
Center of Sciences and Technology, Department of Materials Engineering, Campina Grande, PB, Brazil.
Applications are found in civil, military, industrial, space craft and biomedical sectors and involves, for example, automotive and building industries, railways, the gear case, main doors, luggage racks, floor/roof panels, berths, chair backings, interior panels and partitions, interior furnishing and seating, modular toilets, and lightweight coaches.
Callister Jr., Materials Science and Engineering an Introduction, John Wiley & Sons, Inc, New York 2007