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The Influence of pH Value and SO42- Concentration on Strength of Cemented Soil Xiaoqiang Dong1,2,a, Xiaohong Bai1,b,Yongkang Lv 2,c,and Pengju Han1,d 1 College of Architecture and Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2 Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province ,Taiyuan University of Technology, Taiyuan 030024, China aE-mail: dongxiaoqiang@126.com, bE-mail: bxhong@tyut.edu.cn cE-mail: lykang@tyut.edu.cn, dE-mail: hanpengju1013@163.com Keywords: Cemented soil, Unconfined compressive strength, Reduction factor, pH value Abstract: The pH value and SO42- concentration in corrosive environment may affect mechanical property of cemented soil inturn to cause some serious damage to structure.
The calculated and measured values are close so that the equation could be used in practical design for reference. 3 Introduction The cemented soil has been widely applied in the field of engineering about foundation treatment, retaining and protecting for foundation excavation, watertightness curtain and so on, But it is always led to physical and chemical changes by the corrosive influence of underground water so that its engineering property is affected.
References [1] GB50021-2001, Code for investigation of geotechnical engineering[S], China architecture & building press, 2002 [2] JGJ79-2002, Technical code for ground treatment of buildings [S],China architecture & building press,2002 [3] JIAO Zhi-bin, LIUhAN-LONG,cai Zheng-yin.
,and Han,P.J..Experimental study on mechanical property of cemented soil under environmental contaminations [J],Chinese Journal of Geotechnical Engineering, 2007, 29(8): 1260-1263 [5] DONG Xiao-qiang, BAI Xiao-hong, ZHAO Yong-qiang.

Experimental study on the unconfined compression strength of cemented soil contaminated by municipal sewage Xiaoqiang Dong1,2,a, Xinen Huang3,b, Xiaohong Bai1,c and Yongkang Lv 2,d 1College of Architecture and Civil Engineering, Taiyuan University of Technology, Taiyuan, China 2Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology,Taiyuan, China 3School of science, North University of China, Taiyuan, Shanxi,China a dxqtyut@yahoo.com, b huangxinen@nuc.edu.cn, c bxhong@tyut.edu.cn, d lykang@tyut.edu.cn Keywords: Cemented soil, Unconfined compression strength, Contaminated, Municipal sewage, Electrical resistivity.
So in practical engineering, we must pay more attention to its effect on the strength of cemented soil foundation.
Engineering Geology.
“Fracturing behaviors of cemented soil under environmentsl erosion,” Chinese Journal of Rock and Mechanics and Engineering.
“Experimental study on mechanical property of cemented soil under environmental contaminations,” Chinese Journal of geotechnical engineering.

Semi-active Control for Large-scale Aqueduct by MR Damper HUANG Liang1, a, WANG Bo2,b Corresponding Author: WANG BO, wangbo@zzu.edu.cn XU Jianguo3,c 1School of Civil Engineering, Zhengzhou University, Zhengzhou 450002, China 2 College of Water Conservancy & Environmental Engineering, Zhengzhou university, Zhengzhou 450002, China 3College of Water Conservancy & Environmental Engineering, Zhengzhou university, Zhengzhou 450002, China aansys10@126.com, bwangbo@zzu.edu.cn, cxujianguo@zzu.edu.cn Keywords: Aqueduct; Earthquake; Control; MR damper Abstract.
Engineering structures, 30 :2,436—449
[J] Earthquake Engineering Mechanics, 122:7, 230-238

Faculty of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang, Jiangsu 212013, China shiqiyin@ujs.edu.cna, geyitao_1114@163.comb, cll@ujs.edu.cnc, caolilinseu@163.comd Keywords: nonlinear finite element analysis; simulation value; material constitutive model; ultimate flexural capacity Abstract: In this study, based on the test of the high strength materials of steel-encased concrete composite continuous beam, the ultimate flexural capacity of 8 composite continuous beams are analyzed by using the finite element analysis software ABAQUS.
Accordingly, it has various types of material model library which can simulate the most typical engineering properties of materials.
Non-linear finite element analysis of simply supported steel -concrete composite beam [J], Engineering Construction, 2012
Engineering mechanis, 2007
(Northwestern institute of architectural engineering,1995.

Fuzzy Hierarchy Comprehensive Evaluation on Dam-break Risk Analysis 1Wang Xiaoling*, Zhou Zhengyin2, Sun Ruirui3and Zhou Shasha4 1,3School of Civil Engineering ,Tianjin University, Tianjin, China 2,4School of Environmental Science and Engineering, Tianjin University, Tianjin, China 1wangxl@tju.edu.cn, 2zhouzhengyin@126.com, 3sunruirui1988@163.com, 4zssgh1@126.com Keywords: dam-break; fuzzy decision; AHP; risk comprehensive evaluation Abstract.
And combining with an engineering example, the analysis on dam-break consequences is performed with the aforesaid model.
Analysis of An Engineering Example Qing Linjing reservoir is located in Longgang district, Shenzhen of China, with the total storage capacity of 2.75×107m3.
Combining with the engineering example, the fuzzy comprehensive evaluation for life loss, economic loss, social and environmental influence is performed.

Strength of Square CFT Stub Columns with Slender Sections Zhao-Hui Lu1, a, Yan-Gang Zhao1,2,b and Zhi-Wu Yu1,c 1School of Civil Engineering, Central South University, 22 Shaoshannan Road, Changsha 410075, China 2Department of Architecture and Building Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan agt2064@163.com, bzhao@kanagawa-u.ac.jp, czhwyu@csu.edu.cn Keywords: CFT columns; Square Tubes; Slender sections; Strength.
Uy: Journal of Structural Engineering-ASCE 126(2000), p.341 [3] K.
Nishiyama: Journal of Structural Engineering-ASCE 130(2004), p.180 [4] L.H.
Usami: Journal of Structural Engineering-ASCE 118(1992), p.3036 [7] S.P.

Numerical Simulation of Consolidation Test Considering Different Drainage Height Yang Liu1, a, Zhe Wang1,b 1Department of Civil Engineering, University of Science and Technology Beijing, 100083, China aimaginationly@163.com, b c_wangzhe@163.com Keywords: Consolidation test; Numerical simulation; Drainage height.
Fig  3 t90, t50 calculating procedure Analysis for Engineering Example According to the consolidation simulation method and data processing method above-mentioned, we simulated with the laboratory test data to verify the correctness of the methods.
References [1] Youyun Li, Baojian Liu, Yongli Xie: Influence of Permeability and Consolidation Settlement on Structure of Soft Clay, Chinese Journal of Mechanics and Engineering Vol.25(s2) (2006), p.3590.
(In Chinese) [2] Rulong Wei: Derivation for Coefficient of Consolidation from Settlement Observation, Journal of Geotechnical Engineering Vol.15 (2) (1993), p.19.
[5] J.Michael Duncan: Limitations of Conventional Analysis of Consolidation Settlement, Journal of Geotechnical Engineering Vol.119 (9) (1993), p.1348.

Study on Diseases of Multi-Box Girder Bridge Wenliang Qiu1, a, Cailiang Huang1,b and Zhaoyi Chen1,c 1 School of Civil Engineering, Dalian University of Technology, Dalian 116024, China aqwl@dlut.edu.cn, bcailiang@dlut.edu.cn, cChenzhaoyi@163.com Keywords: Box-girder bridge, disease, reinforcement, finite element method.
Engineering background and analysis model Engineering Background.
Duan, Bridge Engineering Handbook, CRC press LLC, 1999
Shao, Bridge Engineering, Second edition, People Jiaotong Press, Beijing, (2007)

Behaviors of Masonry Building with Frame Structure in Earthquake Xiaoyu Liu 1,a, Xiaotong Xu 2,b Zhanchao Zhao 3,c 1,2 Civil Engineering Institute Chongqing Jiaotong University Chongqing China 3 Hydrochina Chengdu Engineering Corporation a455841822@qq.com, bkexuetutu@gmail.com, c36824878@qq.com Keywords: Masonry Building with Frame Structure, Seismic Damage, Shear Wall, Stiffness Ratio, Shear Failure.
The ideals in this paper can help engineers reducing the seismic damage of MBFS as much as possible.
(Natural Science Edition) Vol.42 No.3 (2010), p. 342 [5] Ping Tan, Shuqiao Tang and Manlin Wu: Earthquake Resistant Engineering and Retrofitting Vol.31 No.6 (2009), p.64 [6] Bixiong Li and Zhe Wang: Acta Scientiarum Naturalium Universitatis Sunyatseni Vol.49 No.2 (2010), p.22

To improve the accuracy of describing the nonlinear behavior of long concrete-filled tubes (CFT) and make the nonlinear reliability analysis method more valuable for engineering application, based on the response surface and nonlinear finite element method, the reliability analysis model for the nonlinear carrying capacity of concrete-filled steel tube structure is made, with the help of consistent mode imperfection method to consider the initial geometric defects of the structure.
Engineering Mechanics, 2006,23(11):139:144(in Chinese) [5] Bucher GC, Bouraundu.
China Civil Engineering Journal, 2008,41(8):15-21(in Chinese) [10] GB 50205-2001, Code for acceptance of construction quality of steel structures [S]. 2001.
Advances in Engineering Software, 2005,36(10):681-690 [12] Manuel Ritto-Corrêa, Dinar Camotim.