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Nano-pore in C-S-H Gel Stability Analysis of Hardened Cement Pastes Lang Wu1,a, Na Xiong2,b, Fangyan Yu2,c 1 College of Architecture and Civil Engineering, Jiangxi Science and Normal University, Nanchang 330013 2 College of Architecture and Civil Engineering, Nanchang Institute of Technology, Nanchang 330044 awulang19812005@126.com, b289610964@qq.com, c45336603@qq.com Keywords: cement hydration; capillary pore; stability analysis Abstract: Based on capillary tension, surface free energy and elasticity theory, a collapse model of nano-pore in C-S-H gel was created in hardened cement pastes.
Engineering Fracture Mechanics,2007,74 (2) : 34-58

Parameter Analysis on Energy-Saving Behavior of a Steel Residential Building Chen LIN 1, a, Qiuxia WANG2,b and Xiaotong PENG 3, c 1 School of Architecture and Landscape Design, Shandong University of Art & Design, Jinan 250014, China 2 Department of Capital Construction, Shandong Jianzhu University, Jinan 250101, China 3 School of Civil Engineering and Architecture，University of Jinan, Jinan 250022, China alinch77@126.com, bwangqiuxia63@163.com, cpengxito@163.com Keywords: energy-saving, parameter analysis, computer simulation, composite steel residential, building envelopes Abstract.
Introduction The Steel residential building has been widely used in practical engineering for its lightweight, good ductility and seismic performance.
Lin: China Civil Engineering Journal Vol. 41 (2008), p. 64-69

Cylindrical Section with Helically Arranged Perforations Inspired by Nature Woo Yian Peen1,a, Choong Kok Keong2,b * 1,2 School of Civil Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia awooyianpeen@gmail.com, bkkchoongmy@yahoo.com Keywords: Helix, spiral, perforated hollow section, nature inspired Abstract.
Vafai, Plastic Buckling of Cylindrical Shells with Cutouts, Asian Journal of Civil Engineering (Building and Housing) 5(3-4) (2004) pp. 191 - 207
Wu, Bending Buckling of an Elastroplastic Cylindrical Shells with a Cutout, Engineering Structures 21 (1999) pp. 996 - 1005

Mechanical behavior of RC Beams Strengthened in Shear with CFRP Grid-Epoxy Mortar Lianheng Cai1,a,*, Shigenobu Kainuma1,b, Muye Yang1,c, Rui Guo2,d 1Department of Civil Engineering, Kyushu University, Fukuoka 8190395, Japan 2Department of Building Engineering, Southwest Jiaotong University, Chengdu 610031, China acai.lianheng.008@s.kyushu-u.ac.jp, bkai@doc.kyushu-u.ac.jp, cyang@doc.kyushu-u.ac.jp, dguor4867@swjtu.edu.cn Keywords: RC beams; shear behavior; CFRP grid; prediction Abstract.
Ding, in: 5th international conference on FRP composites in civil engineering (2010)

Mechanical Properties of the Ecological Filling Blocks of the New Composite Wall Based on the Unified Strength Theory Wei Huang 1,a, Haozhen Wu 1,b, Guoxin Chen 1,2,c, Yin Zhang 1,d Junyuan Wang 1,e, Dong Zhao 1,f 1 School of Civil engineering, Xi'an University of Architecture and Technology, Xi'an 710055 Chian; 2 School of Hydrolic and Civil engineering, Xinjiang Agricultural University.Wulumuqi 830052 Chian; a qqhuangwei2005@126.com; b wuhaozhen123@126.com;c xjbnchgx@163.com; d yaoqf808@163.com; e huwjy@126.com; f zhaodong_jd@sohu.com Key words: ecological filling blocks; uniaxial compressive mechanical properties; the stress-strain curve; unified strength theory; yield criterion Abstract: In order to make the new composite wall structure the group developed to adapt different regional natural conditions, and along with the demand of gradually in-depth study the damage characteristics of the new composite wall, need to research the mechanical properties of the wall filling materials
The yield criterion of the ecological filling blocks based on the unified strength theory [7,8] For all sorts of the engineering materials, the strength theory calculation criteria can be used as yield conditions, yield conditions or yield criterion can be used to determine the size and condition of begin plastic deformation stress of the material, it can be expressed as a functions of the stress state and material parameters

Incipient hydrate formation pressure-temperature and equilibrium composition for CH4-N2-O2-THF-H2O system Xia Gao1,2,3,a, Qiang WU1,b, and Baoyong ZHANG1,4,c 1 Department of Safety Engineering,Heilongjiang Institute of Science & Technology,Harbin 150027,China. 2 College of Architecture and Civil Engineering, Heilongjiang Institute of Science & Technology,Harbin 150027,China. 3 School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China. 4 Guangzhou Center for Gas Hydrate Research,Chinese Academy of Sciences,Guangzhou 510640,China.

[2] Youngguk Seo, Development and Implementation of Korea’s First Percent within Limit (PWL) Specification for Road Pavements, Journal of Civil Engineering (2010), 14(3): pp. 353-361
[3] Kirschke K.R. and Velinsky S., A histogram-based approach for automated pavement-cracks sensing, Journal of Transportation Engineering, ASCE, New York, NY, 1992, 1l9(3): pp.700-710
[4] Chang H D, Shi X J and Glazier C, Real-Time Image Thresholding Based on Sample Space Reduction and Interpolation Approach，Journal of Computing in Civil Engineering, ASCE/October, 2003
[7] Keokanlaya S., Somsak C., Shatoshi W., and Kazuhiko H., Fingerprint Image Enhancement with Second Derivative Gaussian Filter and Directional Wavelet Transform, 2010 Second International Conference on Computer Engineering and Applications, pp. 112-116

The Application of VC++ Serial Communication Technology in Real-time Subsidence Monitoring Chunbao Xiong1,a , Haiying Ai2,b 1School of Civil Engineering, Tianjin University, Tianjin, 300072, P.R.
China 2School of Civil Engineering, Tianjin University, Tianjin, 300072, P.R.
Introduction With the development of the construction industry, the number of complex and large engineering structures is growing, and the building subsidence monitoring has become even more important[1].
Using Win32 API functions to design serial communication program[J].Mapping Information and Engineering, 2000, 25(4):33～37

Study on the Transverse Load Distribution Coefficient of Different Spans of Reinforced Concrete Rigid Fame Arch Bridge Chong Li 1, a, Yuting Niu 2,b and Songhui Li 3,c 1 School of Transportation Southeast University, Nanjing, Jiangsu China 2MCC Capital Engineering & Research Incorporation Limited, Nanjing, Jiangsu China 3 College of Civil Engineering and Architecture SUST, Qingdao, Shandong China alc850407@126.com, bnytta@126.com, cSonghui.l@163.com Keywords: Rigid-frame arch bridge; Elastically supported continuous beam; Stiffness; Transverse load distribution coefficient.
Analysis of load transverse distribution coefficient for rigid frame arch bridge [J].Journal of Zhengzhou University(Engineering Science),2007, 28(2):101-104(in Chinese) [4] Quan Yu, Yiqiang Xiang, Jian-jiang Wang, et al.
Transactions of the American Society of Civil Engineers 98, 1933:418-433 [6] Songhui Li,Chong Li,Zhen LI.The Numerical Analysis of the Transverse Load Distribution Coefficient of Reinforced Concrete Rigid-Frame Arch Bridge[J].Journal of Shandong University of Science and Technology(Natural Science),2010,29(3):32-35(in Chinese)

FEM Simulation of Earth Pressure on Geosynthetic-reinforced Soil Retaining Wall under Variable Rate Loading Fu-lin Li 1, a, Fang-le Peng 2, b 1State Key Laboratory for Geomechanics and Deep Underground Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China 221116 2Department of Geotechnical Engineering, Tongji University, Shanghai, China 200092 alflmail@163.com, bpengfangle@tongji.edu.cn Keywords: geosynthetic-reinforced soil, retaining wall, loading rate, finite element method, earth pressure Abstract.
Acknowledgements This work was financially supported by the Fundamental Research Funds for the Central Universities (2012QNB26), the Youth Fund for School of Mechanics & Civil Engineering (lj2010qnjj17) (CUMT) and the Talents-Introducing Program of CUMT.