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The Behavior of Column during Constrained Buckling Process Wu Xiugen1, a, Zheng Bailin2, b, He Pengfei2, c, Liu Shuguang1, d 1Department of Hydraulic Engineering, College of Civil Engineering, Tongji University,Shanghai, 200092, P.R.
China; 2School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai, 200092, P.R China (awuxiugen@tongji.edu.cn, bblzheng@tongji.edu.cn, cph232@tongji.edu.cn, dliusgliu@tongji.edu.cn) Keywords: constrained buckling, column, point contact, line contact Abstract: The elastic Euler buckling of an inextensible column is confined in a plane, and subject to fixed end displacement, in the presence of rigid, frictionless side-walls which constrain overall lateral displacements.
Lu, H.X., Feng, M.H., Lark, R.J., et al: The calculation of critical buckling loads for externally constrained structures．Communications in Numerical Methods in Engineering. 1999,Vol.15(3):193-201
Engineering Mechanics. 2007, Vol.24(2): 154-160.

The Study of SH Wave Propagation Behavior in Functionally Graded Plates with Variant Material Components Cheng Hongmei1, a, Ge Chaofeng2, b 1, 2State Key Laboratory for GeoMechanics and Deep Underground Engineering, School of Mechanics, Architecture and Civil Engineering, China University of Mining and Technology, Xuzhou 221008, China ahm2963_cn@163.com, bgechaof@163.com Key words: positive series method; SH wave; functionally graded materials plates; the dispersion curves Abstract: SH wave propagation behavior in functionally graded materials plates with variant material components was studied by positive series method.
At present, the functionally graded materials have been widely applied in aerospace, nuclear programs, bioengineering, optoelectronics, chemical engineering, etc [1].
International Journal of Engineering Science, 2008. 46: 809-817
International Journal of Engineering Science, 2008. 46: 929-947

College of Resources and Civil engineering, Northeast University, Shenyang, 110819, China 2.
College of Architectural Engineering, Shenyang University of Technology, Shenyang, 110870, China.)
Since the mechanical behavior of rock engineering and the deformation and failure mechanisms with uncertainty, resulting in a variety of rock stability analysis included more parameters, and some parameters can not be accurately measured, and the gray system theory, the theory of neural networks application which has made considerable progress in the analysis of rock stability.
Tunnel in the rock type and shotcrete to be used as auxiliary engineering measures, namely construction safety supports.
Stability analysis of mined-out areas influenced by blasting vibration with FLACIX3D[J].Chinese Journal of Rock Mechanics and Engineering, 2005,(24): 2894-2898.

Study on the Dense Phase Pneumatic Conveying property of Carbon Black LI Zhihua1,2,3,a, LIU Jianfeng1,b, JIAO Lei1,c , GUO Lei3,d 1 Shandong Provincial Key Laboratory of Polymer Material Advanced Manufactorings Technology , 2 College of Electromechanical Engineering, Qingdao University of Science & Technology , Qingdao 266061, China 3 Mesnac Co., Ltd , Qingdao 266042, China a lizh@mesnac.com, b ljf_87@126.com, c s0505010327@163.com, d guolei@mesnac.com Keywords: pneumatic conveying; carbon black; pipeline; test Abstract: The dense phase pneumatic conveying system of carbon black and the experimental process are introduced in the paper.
Introduction Due to the pneumatic conveying system being able to allocate pipeline fexibly, achieve long-distance transportation hermetically, convey different kinds of particles and be easy to maintain , and so on, it is widely adopted in chemical engineering, metallurgy, electric power, structural material and light industry.
Fig. 5 Blow pot Fig. 6 Relationship curve about open pressure of blow pot and conveying time 2.3 Pipeline layout Pipeline layout depends on the local civil engineering in some ways.
[2] LiJijing, Geng Zhenzhong, Gao Tianbao: Parathion Design and Powder Engineering Vol.74(2006),p.26
[5] Hong Jiang, Shen Gushen: Process Engineering, Vol.15(1994),p.122.

Numerical Analysis on Adjacent Highrise and Multistoried Buildings-Pile-Soil Dynamic Interaction Peizhen Li1, a, Peng Xu1,b, Zhaohui Pan1,c and Xilin Lu1,d 1State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai, 200092, China alipeizh@tongji.edu.cn, bxupeng19890210@yahoo.com.cn, cp_zhaohui@126.com, dlxlst@tongji.edu.cn Keywords: Highrise Building; Multistoried Building; Dynamic Cross Interaction; Finite Element Abstract.
In the research program on DCI launched by The Nuclear Power Engineering Corporation (NUPEC), full scale field tests of three interactional systems including a single reactor building, two adjacent identical reactor building and a reactor building adjacent to a turbine building, were done respectively [1].
Modeling Method In this paper, ANSYS program was employed to develop a 3-D model of a DCI system consists of a highrise building and an adjacent multistoried building, which referred to engineering practice.
When calculating the DCI, the key points to make sure that the developed model can reasonably simulate the engineering case are reasonable calculating size of the soil and correct artificial boundary.
Iguchi, et al: 12th World Conference on Earthquake Engineering, Auckland, New Zealand, (2000), Paper No. 477/6/A [2] Y.

In practical engineering projects, especially the construction of ocean platforms, airfield pavements and skyscrapers, there are high requirements in the anti-fatigue ability of structural materials under repeated loads.
However, the high cost of UHTCC limits its uses in engineering.
Li, Monotonic and fatigue performance in bending of fiber-reinforced engineered cementitious composite in overlay system, Cem.
Kanda, Multiple cracking and fiber bridging characteristics of engineered cementitious composites under fatigue flexure, J.
Mater Civil Eng. 16(2004) 433-443

Research Impact On Temperature Of Polyethylene Gas Pipeline Characteristic Hongjun Ren 1, a, Dingzhi Liu 2,b , Jinfeng Wang 3,c , Deyi Wang 3,d 1 PetroChina Sichuan Sales Branch, Chengdu, China 610500 2 China Petroleum Planning and Engineering Institute Beijing, China 100000 3 School of Civil Engineering and Architecture, Southwest Petroleum University, Chengdu , China 610500 arenhj@petrochina.com.cn, bliudingzhi@ petrochina.com.cn, c503357165@qq.com Keywords: Polyethylene pipe, Gas, Ansys, Temperature, Stress Abstract.
Therefore, in order to ensure the safe operation of the pipeline, engineering often by reducing the use of pipeline pressure to ensure the safe operation of the plastic pipe in the soil temperature is higher; pressure level is relatively high to reduce the pipe wall temperature load. has reached the smaller pipe stress, thereby reducing the amount of pipe deformation.
In practical engineering, the general outside temperature of the pipe load does not exceed 20˚C or use to reduce the pressure level to ensure safe operation.
Jiang xi Normal University,2009,3:68 -70 (In Chinese) [2] Zhanzhong Han,Wang Jing , Xiaoping Lan.on FLUENT - fluid engineering simulation calculation examples [M] Beijing: Beijing Institute of Technology Press, 2004 (In Chinese) [3] Zheng Haiming.China's imports of liquefied natural gas marine transport [D].

Study of stratigraphic classification considering construction of underground warehouse in China Yongquan Li 1,a , Qinghuan Wang 2, b 1College of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou, 450001, China 2Henan Electric Power Survey and Design Institute, Zhengzhou, 450052, China aliyongquan7197213@126.com, b526423380@qq.com Key words: underground warehouse; stratigraphic classification; loess; geological age; Abstract.
Strength is a necessary engineering parameter for design that frequently is not assessed, but plays a role in engineering design and construction, such as tunnel support requirements, bit wear for drilling or tunnel boring machine (TBM) operations, allowable bearing pressures, excavation methods, and support.
References [1] American Society for Testing and Materials, ASTM D-2487, “Standard Classification of Soils for Engineering Purposes,” ASTM Annual Book of Standards, Volume 04.08 on Soil and Rock, Section 4 - Construction, West Conshohocken, PA,1996
[3] Hatheway, A.W., “Trench, Shaft, and Tunnel Map-ping,” Bulletin of the Association of Engineering Geologists, v.

Improved Multi-level Fuzzy Recognition for the Evaluation of the Acoustic Environment Zhihao Lu1,a, Yongchao Shi 1,b, Ying Lin1,c, Mengjie Han1,d 1College of Civil and Transportation Engineering, Hohai University, Nanjing, China ahhluzhihao@163.com, bshuigong_5@163.com, cyninyn@sina.com, dhmengjie0418@163.com Keywords: acoustic environment evaluation; multi-factor; multi-object; improved multi-grade fuzzy recognition model Abstract.
We set up a seven sample points, they are Dormitory 5&6(A), Dormitory 1&2&3(B), Library(C), Hohai building(D), Beijiao building(E), Wentian building(F) and Engineering building(G).Each sample point was measured 3 days intermittently, each day was measured 3 times from morning to evening, then the average data could be found out .
Table.2 Sample evaluation value (calculated from the measured values) Sample Leq Lnp R Ldn Dormitory 5&6 63.8 70.8 98.6 69.8 Dormitory 1&2&3 68.5 75.5 99.9 75.2 Library 51.4 58.7 18.9 57.8 Hohai building 56.0 66.6 46.7 62.2 Beijiao building 52.2 59.7 29.3 56.1 Wentian building 55.3 68.1 31.6 59.2 Engineering building 51.3 63.7 18.2 59.9 The sample eigenvalues of the matrix, X, can be calculated.
Table.5 Improved level of the sound environmental quality of the sample Sample A B C D E F D 3.58 3.58 2.92 3.20 2.74 2.59 2.03 Unimproved sample level H Also the unimproved sample level H can be calculated according to the original eigenvalue matrix X and Y, seen in Table 6 Table.6 Unimproved level of the sound environmental quality of the sample Sample A B C D E F D 3.71 3.61 2.11 3.64 2.87 2.94 2.09 The subjective attitude of teachers and students When talking about the noise impact of the dormitory, students’ subjective attitude to the sound environment on campus can be seen in Table 7 Table.7 Students’ attitude to dormitory area affected by noise Dormitory Difficult to adapt Affect greatly Affect generally Affect weakly Not affected 5&6 4.9% 32.5% 42.3% 18.2% 2.1% 1&2&3 3.6% 32.9% 47.1% 12.8% 3.6% In the survey results about which building owns the best quality of the sound environment, the choice was Engineering building(54/106), Wentian building(32/106), Beijiao building
Theory and Application of Engineering fuzzy Set.

Fish: Suction caisson foundation for offshore wind turbines, Wind Engineering, Vol. 26, No. 3, 145-155. (2002) [2] T.
Ishihara: A numerical study on dynamic response of semi-submersible floating offshore wind turbine system and its verification by experiment, Journal of Japanese Society of Civil Engineers A, Vol. 65, No. 3, 601-617. (2009) (in Japanese) [5] N.
Byrne: Suction caisson foundations for offshore wind turbines and anemometer masts, Wind Engineering, Vol. 24, No. 4, 249-255. (2000) [7] A.R.
Randolph: Installation and pull-out capacity of stiffened suction caissons in cohesive sediments, Proceedings of the Eleventh International Offshore and Polar Engineering Conference, Stavanger, Norway, 574-580. (2001) [8] R.
Moon: Lateral undrained resistance of suction caisson anchors, International Journal of Offshore and Polar Engineering, ISOPE, Vol.11, No.3, 211-219. (2001)