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Online since: November 2012
Authors: Bin Li, Hong Zhang, Shao Shuai Xu, Jin Sheng Zhang, Xin Zhao
In this paper, for those not concentrated mass of parts ,such as ladders, guard bars, rest platforms and so on , the effects of to tower crane are implemented by magnifying material density of finite element model.
The parameters setting in the process of parameterized modeling of the relevant component include material properties, structural geometries, the bar material and size parameters etc, in which structural geometries include the relevant component’s the length, the width , the height and section internodes.
Acknowledgements This work was financially supported by the Education Department of Liaoning Province Science Foundation (L2010455), Science and Technology Department of Liaoning Province Engineering Center Project Foundation (2010402010), Special Public Welfare Research Project of AQSIQ (201010060).
[2] Xijian Zheng, Zhengyi Xie: The application of finite elements to analysis about tower cranes, in Journal of Construction Machinery (2007), Feb. 2, pp.33-35
[7] Bin Li, Jian Xing, Hao Chen, Yuan Tang: The Design System of Finite Element and Parameterized Technology of Tower Crane Jib, in Journal of Shenyang Jianzhu University (Natural Science) Vol.24(2008), p. 872
The parameters setting in the process of parameterized modeling of the relevant component include material properties, structural geometries, the bar material and size parameters etc, in which structural geometries include the relevant component’s the length, the width , the height and section internodes.
Acknowledgements This work was financially supported by the Education Department of Liaoning Province Science Foundation (L2010455), Science and Technology Department of Liaoning Province Engineering Center Project Foundation (2010402010), Special Public Welfare Research Project of AQSIQ (201010060).
[2] Xijian Zheng, Zhengyi Xie: The application of finite elements to analysis about tower cranes, in Journal of Construction Machinery (2007), Feb. 2, pp.33-35
[7] Bin Li, Jian Xing, Hao Chen, Yuan Tang: The Design System of Finite Element and Parameterized Technology of Tower Crane Jib, in Journal of Shenyang Jianzhu University (Natural Science) Vol.24(2008), p. 872
Online since: August 2009
Authors: Xian Peng Zheng, Yan Liu, Dong Wei, Yan Ming Yang, Yuan Yuan Xu, Qin Wei, Bin Du
Acknowledgement
This study was supported by the Natural Science Foundation of China (No.20577016), the Natural
Science Foundation of Shandong Province (Y2006B36 and Y2008B44), and the Key Subject
Research Foundation of Shandong Province(XTD0705) and all the authors express their deep thanks.
Science Vol. 294 (2001), p. 1684
Journal of Applied Sciences Research Vol. 3 (2007), p. 1544
Journal of Solid State Chemistry Vol. 156 (2001), p. 57
Materials Chemistry and Physics Vol. 78 (2003), p. 816
Science Vol. 294 (2001), p. 1684
Journal of Applied Sciences Research Vol. 3 (2007), p. 1544
Journal of Solid State Chemistry Vol. 156 (2001), p. 57
Materials Chemistry and Physics Vol. 78 (2003), p. 816
Online since: August 2013
Authors: Jiu Wang, Jiang Wu, Bo Shui Chen, Jian Hua Fang
Experiment
Materials and Apparatus.
Acknowledgement The authors gratefully acknowledge the financial support from the Natural Science Foundation of Chongqing (Project NO.
[5] D.Christopher, Bannister, et al. : Proceeding of the institution of mechanical engineers part D-journal of automobile engineering, Vol.226(2012)No.D11, p.1525-1535
[8] Movillon, L.Jovita,et al. : Philoppine journal of crop science, Vol.37(2012)No.1, p.: 8-14
Zhang, et al: Leather Science and Engineering.
Acknowledgement The authors gratefully acknowledge the financial support from the Natural Science Foundation of Chongqing (Project NO.
[5] D.Christopher, Bannister, et al. : Proceeding of the institution of mechanical engineers part D-journal of automobile engineering, Vol.226(2012)No.D11, p.1525-1535
[8] Movillon, L.Jovita,et al. : Philoppine journal of crop science, Vol.37(2012)No.1, p.: 8-14
Zhang, et al: Leather Science and Engineering.
Online since: January 2013
Authors: Shuang Bao Zhang, Zhao Zong, Zhao Heng, Xue Fei Li, Chuan He, Li Na Li, Liu Xiang, Wen Bang Wei
The new technical research on joining veneer
Wen-bang Wei 1,2,a Li-na Li2,b Liu xiang1 Zhao Zong1 Zhao heng1 Xue-fei Li1 Chuan He1 Shuang-bao Zhang1,c
1 College of Materials Science and Technology, Beijing Forestry University, Beijing
2 GuangXi ECO-engineering Vocational And Technical College
a weiwenbang007@163.com b liuxiang1112@yahoo.cn c shuangbaozhang@tom.com
Keyword: plywood, cross connect, machine vision
Abstract: Veneer horizontal consolidation machine new technology mainly adopts machine vision of some control detection method based on machine vision I tried to the detection device used in the production process of veneer joining together.
Acknowledgements This work was financially supported by Beijing Municipal Natural Science Foundation of 2012.
Science Press, 2005
Journal of Zhaoqing University, 2009.5
Journal of Shenyang Institute of Engineering:natural Science, 2009.3
Acknowledgements This work was financially supported by Beijing Municipal Natural Science Foundation of 2012.
Science Press, 2005
Journal of Zhaoqing University, 2009.5
Journal of Shenyang Institute of Engineering:natural Science, 2009.3
Online since: April 2014
Authors: Lu Ping Sang
Turning-milling machining center of each axis movement principle and the headstock structure analysis
Sang Luping
WeiFang university of science and technology, ShouGuang, Shandong, 262700, China.
The double pendulum Angle structure will be five axis nc machine tools and strict management, a national strategic materials in large gantry CNC milling machine also received more applications
It should have a certain speed and a certain speed range, in order to use different materials of cutting tools, processing of different materials, different size, different requirement of workpiece, and can easily realize the movement of the open park, variable speed, reversing and brake.
Journal of hebei agricultural university, 2004.1, 27 (1) : 100-102 [10] zhang peng.
Kunming university of science and technology, a master's degree thesis. 2008.4.
The double pendulum Angle structure will be five axis nc machine tools and strict management, a national strategic materials in large gantry CNC milling machine also received more applications
It should have a certain speed and a certain speed range, in order to use different materials of cutting tools, processing of different materials, different size, different requirement of workpiece, and can easily realize the movement of the open park, variable speed, reversing and brake.
Journal of hebei agricultural university, 2004.1, 27 (1) : 100-102 [10] zhang peng.
Kunming university of science and technology, a master's degree thesis. 2008.4.
Online since: August 2013
Authors: Ya Feng Xu, Shou Yan Bai, Yue Wang
Table 2 Material properties of material
Material
Poisson's ratio(MPa)
Modulus of elasticity(GPa)
fy(MPa)
Concrete
0.2
34.5
Steel tube
0.3
206
292
Angle steel
0.3
206
342
Batten plate
0.3
206
342
Material
Tensile strength of the direction of the main force(N/mm2)
The main direction of the force elastic modulus(N/mm2)
Thickness
(mm)
Elongation at break
(%)
Density
(g/cm2)
Carbon fiber
3000
235000
0.111
≥2.10
1.8
1) The concrete constitutive model
Under the restriction of the steel tube concrete constitutive relation: Considering effect of restraint coefficient constitutive model is proposed by Professor Linhai Han [3].
In the OA segment, the stress- strain of the material increase in a linear relationship.
Journal of Shenyang Jianzhu University: Natural Science,2012, 28(1): 51-59
Beijing: Science Press, 2007:188-204
Journal of civil engineering, 2005, 38 (8): 10-17
In the OA segment, the stress- strain of the material increase in a linear relationship.
Journal of Shenyang Jianzhu University: Natural Science,2012, 28(1): 51-59
Beijing: Science Press, 2007:188-204
Journal of civil engineering, 2005, 38 (8): 10-17
Online since: September 2014
Authors: Nickolay A. Lutsenko
Introduction
The study of hydrodynamic and thermal processes in porous media is needed to create new technologies and materials.
Acknowledgement The work was supported by the Ministry of education and science of Russian Federation (project 14.Y26.31.0003), the Russian Foundation for Basic Research (grants No. 14-01-90008-Bel_a), the Far Eastern Federal University, the Far-Eastern Branch of the Russian Academy of Sciences.
Lutsenko, Gas flow through a porous heat-releasing medium with allowance for the temperature dependence of gas viscosity, Journal of Engineering Physics and Thermophysics 79 (1) (2006) 33-39
Sorokova, Numerical Method for Investigation of 1D Processes in Porous Media with Heterogeneous Reactions when Flow Rate of Oxidant Regulates Itself, Advanced Materials Research 880 (2014) 115-120
Sorokova, Numerical Comparison of Heterogeneous Combustion Waves in Horizontal and Vertical Porous Objects under Free Convection, Advanced Materials Research 880 (2014) 109-114
Acknowledgement The work was supported by the Ministry of education and science of Russian Federation (project 14.Y26.31.0003), the Russian Foundation for Basic Research (grants No. 14-01-90008-Bel_a), the Far Eastern Federal University, the Far-Eastern Branch of the Russian Academy of Sciences.
Lutsenko, Gas flow through a porous heat-releasing medium with allowance for the temperature dependence of gas viscosity, Journal of Engineering Physics and Thermophysics 79 (1) (2006) 33-39
Sorokova, Numerical Method for Investigation of 1D Processes in Porous Media with Heterogeneous Reactions when Flow Rate of Oxidant Regulates Itself, Advanced Materials Research 880 (2014) 115-120
Sorokova, Numerical Comparison of Heterogeneous Combustion Waves in Horizontal and Vertical Porous Objects under Free Convection, Advanced Materials Research 880 (2014) 109-114
Online since: March 2010
Authors: Yong Yu Gu, Yin Fang Jiang, Fei Wang, Yuan You Zhu, Yan Ling Lai
The forming of metal sheet by
laser shock usually utilizes the laser shock wave that is vertical to the surface of metal sheet, but it
is difficult to confirm that the laser is vertical to the surface of metal sheet when referring to the
carved surface materials.
Shen: International Journal of Fatigue, 188-197, 30 (2008)
Wang: Material Science and Engineering, 138, 297 (2001)
Zhang, H.L Zhang: Chinese journal of lasers, 1437-1440, 32-10 (2005)
Yao: Mechanics of Materials, pp.100-114, 40 (2008)
Shen: International Journal of Fatigue, 188-197, 30 (2008)
Wang: Material Science and Engineering, 138, 297 (2001)
Zhang, H.L Zhang: Chinese journal of lasers, 1437-1440, 32-10 (2005)
Yao: Mechanics of Materials, pp.100-114, 40 (2008)
Online since: January 2011
Authors: Wei Li, Zhan Guo Lu, Lin Wang
Materials and methods
Plant materials.
The white basil was picked from Gardening Institute, academy of agricultural sciences Heilongjiang Province on 16th September, 2010.
Such factors may include differences in geographical locations, plant materials, season at the time of collection, even extraction conditions and methods of the essential oils.
Research Journal of Agriculture and Biological Sciences, Vol. 4(4) (2008). p. 293-300
Journal of Chinese mass spectrometry society, Vol. 29(2) (2008). p. 110-114.
The white basil was picked from Gardening Institute, academy of agricultural sciences Heilongjiang Province on 16th September, 2010.
Such factors may include differences in geographical locations, plant materials, season at the time of collection, even extraction conditions and methods of the essential oils.
Research Journal of Agriculture and Biological Sciences, Vol. 4(4) (2008). p. 293-300
Journal of Chinese mass spectrometry society, Vol. 29(2) (2008). p. 110-114.
Online since: October 2011
Authors: Zhen Lin Mo, Zheng Bo Pi, Wei Jun Yang
Experimental Study on Flexural Bearing Capacity of Reinforced Ceramsite Concrete beam
WeiJun Yang1,a ,ZhengBo Pi1,b ,ZhenLin Mo1,c
(1.School of Civil Engineering and Architecture,Changsha University Science &Technology,Changsha,Hunan, 410114,P.R.China)
a mgbyrh@163.com; bpizhengbo@163.com; c530585093@qq.com;
Keywords: reinforced ceramic concrete beam; flexural bearing capacity; experimental investigation
Abstract .In order to investigate the flexural bearing capacity of reinforced ceramic concrete beams, static loading experiments were carried out. 10 ceramic reinforced concrete beams and 2 non-reinforced ceramic concrete with different steel ratios, cover thicknesses and bar diameters were fabricated.
Designing, method and phnomenon description of experiment Fig.1 Details of specimens Specimen design In this experiment 12 spencimens including 10 reinforced ceramsite concrete beams numbered LC-1~LC-10 and 2 no-reinforced ceramsite concrete beams numbered LC-11~LC-12 were fabricated.it’s strictly complied with the national standard in the process of fabrication and curing.The reinforcement,section size ,span length and clear span of specimens is shown in Fig.1,the design parameters and materials strength of specimens is shown in Table.1 Table.1 Design parameter of specimens Speci -mens numbers Cubic compresssive strength(Mpa) Cover thickness (mm) Effective Height h0 (mm) Steel bars Diameter nd Yield strength (Mpa) Ultimate strength (Mpa) Areas (mm2) Steel ratio ρ(%) LC-1 21.97 20 275 210 330 489 157 0.38 1433 LC-2 21.78 20 274 312 380 557 339 0.83 796 LC-3 21.70 20 273 214 351 507 308 0.75 1023 LC-4 22.1 20 271 218 338 519 509 1.25 795 LC-5 22.2 20 278 214
Stiffness of the specimen was largest and strain of materials was in the elastic state.
References [1] Jiantong Ding,Yushun Guo, Kaorukimura:The fifth National Symposium Proceedings of LWAC,(2000),p.177 [2]E.Goeb,Pumping Structural Lightweight Concrete,Journal of Concrete Construction,(1985) [3] Peng Wang:Experimental Study On Basic Mechanical Properties of Ceramic Concrete,Master's thesis,ChangSha University Science &Technology,2009(in Chinese) [4]Quanbiao Xu: Experimental Study on Mechanics Performance of different high-strength LAC,Journal of New Building Materials,phase5(2004)p43-45(in Chinese) [5]Jie Yuan,Baosheng Zhang,Yong Ge,Xiuhua Zheng:Study on mechanical property of combined aggregate concrete,Jouanal of Concrete,phase11(2004)p42-44(in Chinese) [6] Moyu Liu:Experimental Study on the flexural bearing capacity of High-strength lightweight aggregate concrete beam, Master's thesis,Wuhan University of Technology,2006(in Chinese) [7] Eryan Chen:Experimental Study on Flexural Capacity of Mixed Aggregate Concrete Beams, Master's thesis, North China University of
Designing, method and phnomenon description of experiment Fig.1 Details of specimens Specimen design In this experiment 12 spencimens including 10 reinforced ceramsite concrete beams numbered LC-1~LC-10 and 2 no-reinforced ceramsite concrete beams numbered LC-11~LC-12 were fabricated.it’s strictly complied with the national standard in the process of fabrication and curing.The reinforcement,section size ,span length and clear span of specimens is shown in Fig.1,the design parameters and materials strength of specimens is shown in Table.1 Table.1 Design parameter of specimens Speci -mens numbers Cubic compresssive strength(Mpa) Cover thickness (mm) Effective Height h0 (mm) Steel bars Diameter nd Yield strength (Mpa) Ultimate strength (Mpa) Areas (mm2) Steel ratio ρ(%) LC-1 21.97 20 275 210 330 489 157 0.38 1433 LC-2 21.78 20 274 312 380 557 339 0.83 796 LC-3 21.70 20 273 214 351 507 308 0.75 1023 LC-4 22.1 20 271 218 338 519 509 1.25 795 LC-5 22.2 20 278 214
Stiffness of the specimen was largest and strain of materials was in the elastic state.
References [1] Jiantong Ding,Yushun Guo, Kaorukimura:The fifth National Symposium Proceedings of LWAC,(2000),p.177 [2]E.Goeb,Pumping Structural Lightweight Concrete,Journal of Concrete Construction,(1985) [3] Peng Wang:Experimental Study On Basic Mechanical Properties of Ceramic Concrete,Master's thesis,ChangSha University Science &Technology,2009(in Chinese) [4]Quanbiao Xu: Experimental Study on Mechanics Performance of different high-strength LAC,Journal of New Building Materials,phase5(2004)p43-45(in Chinese) [5]Jie Yuan,Baosheng Zhang,Yong Ge,Xiuhua Zheng:Study on mechanical property of combined aggregate concrete,Jouanal of Concrete,phase11(2004)p42-44(in Chinese) [6] Moyu Liu:Experimental Study on the flexural bearing capacity of High-strength lightweight aggregate concrete beam, Master's thesis,Wuhan University of Technology,2006(in Chinese) [7] Eryan Chen:Experimental Study on Flexural Capacity of Mixed Aggregate Concrete Beams, Master's thesis, North China University of