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Analysis on Influence of Shield Tunneling on Bridge Double Pile Pei sheng Xi 1,a ,Xiao Zhao1,b,Zhen Li1,c 1 Department of Civil Engineering, Anhui Jianzhu University Hefei 230601 China axipeisheng@163.com, b316004122@qq.com, c1069651615@qq.com Keywords: Shield tunneling; Numerical Simulation; ground settlement; Viaduct pile Abstract.
Engineering background and model parameters Based on the shield tunneling of Hefei Subway Line 1 Ma'anshan viaduct, round shield outer diameter is 6.0m, the lining is 0.3m, grouting layer thickness is 0.15m and depth is 12m.
According to the engineering geological survey report, the proposed location of the site topography, geology broadly divided into five layers: the first layer of artificial hybrid 1.60 ~ 3.97m of fill, which contains asphalt pavement, concrete pads, loose clayey and so on; The second layer of plastic-like clay, yellowish-brown, thin silt local folder, a thickness of about 8.95m; Third layer of silty clay, moderate toughness, high dry strength, there are about 5.4m thick; The fourth layer strongly weathered muddy sandstone, local short column, soft rock, you can hand snapping, visibility along the crack surface iron infection, this layer has a 4.87m thick; The fifth layer is weathered muddy sandstone, along the crack visible on the surface of iron infection and erosion.
Table 1 Mechanical parameters of soil strata Number soil Range （m） Density （kg/m3） Bulk modulus （MPa） Shear modulus （MPa） Friction angle （°） Cohesion （KPa） ① +3.97～+1.60 1850 5 2.3 14 18 ② +1.60～7.35 1920 9.83 4.53 15 38 ③ -7.35～12.75 1940 9.83 4.53 15 42 ④ -12.75～17.62 2100 16.6 7.96 33 52 ⑤ -17.62～20.79 2200 20.83 9.61 35 56 Fig.1 Concrete layout Modeling and analysis process Using FLAC3D software model size, according to the scope of the tunnel excavation, calculated with reference to both the experience and the practical engineering conditions, the bottom of the model from the tunnel to take center 27m, the entire model size is 80m×40m×40m, where the horizontal direction x 80m, value y direction is 40m (pile length direction), z-direction (the direction of tunneling) to 40m are shown in Fig.2 and Fig.3.

Shaking Table Tests on Chinese Ancient Tenon-Mortise Structure Strengthened by Steel Components Qian Zhou1,2,a, Weiming Yan2,b 1 Palace Museum-China 2Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit,Beijing University of Technology-China azy_7225@yahoo.com.cn, byanwm@bjut.edu.cn Keywords: tenon-mortise joint, aseismic strengthening, steel components, shaking table test, Chinese ancient building Abstract.
Yang: Earthquake Resistant Engineering and Retrofitting, Vol.31 (2009), p.101 [2] Z.M.
Xue: China Civil Engineering Journal, Vol.41 (2008), p.15 [4] H.Z.
Yan:Journal of Water Resources and Architectural Engineering, Vol.9 (2011), p.1

Introduction Utilizing the vibration messages to identify the bridge damage is a hot research issue in civil engineering.
[5] Cao Hui, Michael I F, Engineering Mechanics(In Chinese). 23(2006)33-38
Yeung, J.W.Smith, Engineering Structure. 27(2005)685-698
[9] Yu Fan-hua, Liu Han-bing, Journal of Jilin University(Engineering and Technology Edition) (In Chinese). 38(2008)434-438.

A Novel Internal Model Control Method for Non-square System Ling Quan 1,a, Hailong Zhang 2,b and YangYang3,c 1Institute of Electric Power, North China University of Water Resources and Electric Power, Zhengzhou 450011, China 2School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, China agoodluck136946@yahoo.com.cn, bzhlongql@yahoo.cn, cyangyang@ncwu.edu.cn Keyword: non-square system; ENRG method; V norm decouple; internal model control.
Chidambaram, Smith delay compensator for multivariable non-square system with multiple time delays, Computer and Chemical Engineering, 30 (2006)1243-1246
Chiu, Robust decentralized control of nonsquare systems, Chemical Engineering Communications, 22(1997)157-160
Yu, The relative gain for non-square multivariable systems, Chemical Engineering Science, 45 (1990) 1309-1312

Research on ultrasonic- rebound- strength curve of Polypropylene Fiber Concrete in Chloride Environment Changzheng Sun1, a, Yingdong Lin1, b, Fanfan Zhu1 1School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China a474670207@qq.com ,b1198753454@qq.com Keywords: Wetting-drying cycle； Magnesium chloride；Compressive strength；Strength figure Abstract: Exploring strength curve and the corrosion mechanism of polypropylene fiber reinforced cement in chloride environment by the ultrasonic-rebound method and wet-dry cycle method in the laboratory.
Exploration on the Identification and Treatment Measures of Tunnel Lining Concrete Cracks [J] journal of railway engineering society 2014, 2:88-95 [2] Bishi Weng ,Xiaokun Li.
Investigation on deterioration of lining concrete of railway tunnel suffering sulfateambien[J] journal of railway science and engineering 2010 (3):91-94 [3]GB/T50082-2009 «Standard for test methods of long-term performance and durability of ordinary concrete » Beijing: China Planning Press, 2010 [4]Changzheng Sun, Huichao Han.
Polypropylene Mortar Strength Curve Related to Nitrate Corrosion Research [J], Earthquake Resistant Engineering and Retrofitting 2014, 36（2）:124-127 [5] Zhe`an Lu,Shengrui Wang Research on the long- age rubble concrete ultrasonic- rebound- strength curve for Wuhan district [J] Concrete2008,3:10-12 [6]CECS 02：2005«Technical specification for detecting strength of concrete by ultrasonic-rebound combined method» Beijing: China Planning Press, 2005

Numerical Simulation on Drop Test of the Conical Shell Yixia Yan 1, a, Weifang Xu 1, b, Xicheng Huang 1, c, Chen Gang 1, d ,Zhiming Hao1, e 1 Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang, 621900, China apu-yf@163.com, bxwf@caep.ac.cn, chxc@caep.ac.cn Keywords: thin conical shells, drop experiment, numerical simulation Abstract.
The conical shell is widely used to railway，civil aviation and so on.
Modern Manufacturing Engineering Vol.6 (2006),p,112-114,in Chinese
Gupta, Venkatesh: Experimental and numerical studies of impact axial compression of thin-walled conical shells[J], International Journal of Impact Engineering.34(2007),p,708-721 [6] Chen Gang: Numerical and Experimental Investigation on Penetration Effects of Semi-Armor-Piercing Warhead [D].
China Academy of Engineering Physics(2006),p,5-35, in Chinese.

Experimental study on the corrosion rate of rebars in chloride-contaminated concrete with adding or painting inhibitors Lei Yu 1,a, Zhiyong Liu1*,b, Haoxia Sun2,c 1School of Civil Engineering, Yantai University, Yantai, Shandong, China, 264005 2Yantai SaiGang Ready-mixed Concrete Company, Yantai, Shandong, China, 264006 ayulei0601@126.com, blzy1698@163.com, c saigang20070301@foxmail.com Key words: chloride-contaminated concrete corrosion inhibitor corrosion rate of steel bar painting Abstract.
Many scientists and engineering experts has been committed to the study of economical, convenient and practical methods to improve the durability of concrete structures.
In addition, there is a lack of specific MCIs product standard and test methods in engineering application.
To answer these questions and accelerate MCIs applications in engineering, experimental study about added and painted inhibitor's effect on steel bar's corrosion rate in chloride-contaminated concrete is carried out.

Influence of the Bauschinger Effect on the Distribution of Residual Stresses in a Thin Hollow Hyperbolic Disc under External Pressure ALEXANDROV Sergei1,2, a, LYAMINA Elena3,b and JENG Yeau-Ren4,c 1Division of Computational Mathematics and Engineering, Institute for Computational Science, Ton Duc Thang University, 19 Nguyen Huu Tho Street, Ho Chi Minh City 700000, Vietnam 2Faculty of Civil Engineering, Ton Duc Thang University, 19 Nguyen Huu Tho Street, Ho Chi Minh City 700000, Vietnam 3Ishlinsky Institute for Problems in Mechanics RAS, 101-1 Prospect Vernadskogo, 119526 Moscow, Russia 4Department of Mechanical Engineering and Advanced Institute of Manufacturing with High-tech Innovations, National Chung Cheng University, 62102 Chia-Yi, Taiwan asergeialexandrov@tdtu.edu.vn, blyamina@inbox.ru, cimeyrj@ccu.edu.tw Keywords: hyperbolic disc; plane stress; Bauschinger effect; perfect forward plasticity.
Introduction Thin discs of variable thickness are widely used in engineering applications.

Effect of Aggregate on Cracking Behaviors of Concrete in Mesoscopic Modeling Yuanzheng Suntao a , Shuifu Chen b and Lesheng Hu c Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China asuntao870423@163.com, bcfs@zju.edu.cn, chulesheng@zju.edu.cn Key words: Numerical modeling, Concrete, Mesoscopic, Cracking, Aggregate.
Chen: Proc. of Earth and Space 2010: Engineering, Science, Construction, and Operation in Challenging Environments, Honolulu (2010), p. 3470 [3] L.S.
Chen: submitted to Modeling and Simulation in Matertials Science and Engineering (2010) [4] C.G.
Elices: Engineering Fracture Mechanics Vol. 76 (2009), p. 286 [5] L.S.

Localization of in-plane Guided Elastic Waves in A Two-Dimensional Solid Waveguiding Phononic Crystal Ali Chen1, a, Yuesheng Wang2,b and Chuanzeng Zhang 3,c 1 Institute of Engineering Mechanics, Beijing Jiaotong University, Beijing 100044, China 2 Department of Civil Engineering, University of Siegen, D-57068 Siegen, Germany aalchen@bjtu.edu.cn, byswang@bjtu.edu.cn, cc.zhang@uni-siegen.de Keywords: in-plane elastic wave; phononic crystal; random disorder; wave localization; plane wave expansion method.
Zhao, Characteristics of Two-dimensional Phononic Crystals Based on the Similarity of Photonic Crystals (MSc Thesis, Harbin Engineering University, PR China, 2005)
Zhang: submitted and accepted by the committee of the 2nd International Conference on Manufacturing Science and Engineering