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Lamb wave-based Damage Location Detection Method of Composite Plate ZHANG Li-shaoa, CHEN Huan-guob, LI Jian-minc, TIAN Lid Faculty of Mechanical Engineering & Automation, Zhejiang Sci-tech University, Hangzhou, China aemail: zhanglishao111@126.com,bemail: chen8025@126.com, cemail: limzrz@mail.hz.zj.cn, demail: na123li@126.com Keywords: Lamb wave; dispersion curve; structural health monitoring; damage location Abstract: To understand more about Lamb waves on composite laminates damage detection features, the Lamb wave group velocity dispersion curves are calculated and plotted by using dichotomy method in MATLAB.
Thin plate-/shell-like structures are commonly used in mechanical engineering, aerospace engineering and civil engineering.
Damage location of two-dimensional structure based on wavelet transform and active monitoring technology of Lamb wave[J].Journal of vibration engineering, 2004,17(4):487-493 [6] J.L.Rose.

Model Test and Finite Element Analysis of Squeezed and Branch Pile Bared Vertical and Horizontal Loads Yuehui LI 1,a, Xiaojuan GAO 1,b, Guohua ZHONG1,c 1Institute of Civil Engineering, Henan University of Science and Technology, Luoyang, China 471023 alylyh66@163.com,bgaoxjly@163.com,czhonggh528@163.com Keywords:Horizontal load, Vertical load, squeezed branch and plate pile, model test, Finite element method Abstract: Model tests of the squeezed and branch pile with or without vertical load are carried out and the horizontal load bearing capacity are studied in this paper.
This should be pay more attention in the practical engineering.
The result is consistent with the related literature and should be pay attention in practical engineering[6].

The Impact Analysis of Bearing Capacity of Steel Reaction column on Eccentric Problems in Integrally Lifting of Yuzhen Palace Zhihui Bian1, 2, a, Shiyong Zhao 2, b, Wanming Qiang2, c, Sujuan Fu2, d 1College of Civil Engineering, Tianjin University, Tianjin 300072, China; 2Hebei Construction Science Institute, Shijiazhuang, Hebei 050021, China abzhbyh@126.com,b2004zsy@sina.com, cqiangwanming@163.com, demail:fsj2503@163.com Keywords: Yuzhen Palace, integral lifting, bearing capacity of steel column, bidirectional eccentricity, torsion.
Abstract: Based on Yuzhen palace integral lifting engineering of Wudang Mountain, the writer uses the finite element analysis to simulate bearing capacity of section steel column in the bidirectional eccentricity.
Experimental behavior of concrete filled rolled rectangular hollow-section columns[J].The Structural Engineer, 1989, 67(9): 346 -353.

Inhibition of nitrification of ammonia-rich wastewater in immobilized nitrifiers system LI Zhirong, ZHANG Zhi, ZHANG Zhenjia School of Environmental Science & Engineering, Shanghai Jiaotong University, Shanghai, China, 200240 Email: lizr210@hotmail.com Keywords: ammonia, nitrification, inhibition, immobilization Abstract.
Civil Eng.

Bridge piers and abutments surface degradation reduction posibility Snirch Zdenek1, a 1 Brno University of Technology, Faculty of Civil Engineering, Institute of Technology of Building Materials and Components, Veveri 95, 60200 Brno, Czech Republic asnirch.z@fce.vutbr.cz Keywords: coatings, bridge, concrete surface, degradation, service life, building material, thin film Abstract.

., Moscow, 129337, Russia, Moscow State University of Civil Engineering a pavel.akimov2@gmail.com, b marina.mozgaleva@gmail.com Keywords: wavelet-based methods, multilevel methods, discrete-continual methods, boundary problem, local solution, analytical solution, structural analysis, deep beam analysis, Haar basis, method of extended domain, averaging Abstract.

Stability Analysis on High Slope Based on Strength Reduction Method Baojin GE1,a, Lianjun WANG1, Danfeng LI1, Yi LI1 1 School of Civil Engineering, Beijing Jiaotong University, Beijing100044, China a gbj110110@126.com Key words: high slope, strength reduction, reduction factor; stability, ABAQUS, numeric calculation Abstract.

Liaoning Shenyang 110034 China 2School of Civil Engineering and Architecture，Anhui University of Science and Technology， Huainan Anhui 232001.China alixy@synu.edu.cn Keywords: Steiner triple systems; complete graph; edges matrix Abstract.

Multiphase Constitutive Model of " Matrix-Strengthen Particle of Saturated soil " Wenxu Ma 1, 2,3,a, Yingguang Fang 1,2,b , Zhe Li 4,c 1School of Civil Engineering and Transportation, South China University of Technology , 51000, Guangzhou,P.R.China 2State Key Laboratory of Subtropical Building Science, South China University of Technology, 51000, Guangzhou,P.R.China 3The Architectural Design and Research Institute of Guangdong Province, Guangzhou, 510000,China 4 Guangdong Provincial Academy of Architecture Science， Guangzhou, Guangzhou, 510000,China amawenxu@126.com, bfangyg@scnu.edu.cn, clittle-zhe@163.com Keywords: Micro-crack; Strain Gradient; Multiphase Constitutive Model Abstract.

Delamination of Laminate Plates Eva Kormaníková 1,a* 1Technical University of Košice, Civil Engineering Faculty, Vysokoškolská 4, 04200 Košice, Slovakia aeva.kormanikova@tuke.sk Keywords: delamination, fiber reinforced layers, laminate structure, plate elements, contact elements, numerical modeling Abstract.