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Fractal Research on Cracks of Reinforced Concrete Beams with Different Aggregates Sizes SUN Hong-quan, DING Jun, GUO Jian, FU Dong-liang School of Civil Engineering, University of Science and Technology of Suzhou, Suzhou 215011, China hqsun@mail.usts.edu.cn Key words: fractal geometry; fractal dimension; crack; aggregates size; reinforced concrete beam Abstract: Under the concentrated loads, the crack evolutions of reinforced concrete experimental beams (RCEB) with three different aggregate sizes are studied.
[6] Xie Heping, Fractal Description of Rock Joints, Chinese Jounal of Geotechnical Engineering[J], 1995(1), 18~23.
[7] Wang Jin′an , Xie Heping , Fractal Evolution of Surface Roughness and Mechanical Behavior of Rock Joints Under Shearing, Chinese Jounal of Geotechnical Engineering[J], 1997 (4). 2~9.

Damage Detection Analysis of Reinforced Concrete Simple Beams Based on Three Dimensional Curvature Mode Ji Yao1,a , Jiaquan Wu2,b , Liang Cao1,c , Xiaoyu Cheng2 and Kun Ma2,d 1 Faculty of Civil Engineering and Architecture, Kunming University of Science and Technology, Kunming 650024, China; 2 Faculty of Science, Kunming University of Science and Technology, Kunming, Yunnan, 650093 China; a105434620@qq.com, bwjqlhy@sina.com, ccaolang1106@126.com, dmakun_box@sina.com Corresponding author: Makun, School of Science, Kunming University of Science and Technology, makun_box@sina.com Key words: Simple beam, Displacement mode, Curvature mode Abstract: The damage detection based on curvature mode was discussed in this paper, a three dimensional reinforced concrete simple beam model was established by finite element software, two models of before and after damage were compared also.
Therefore, how to identify structural damage quickly and effectively in the course of bearing, how to know the safety state of bridges under loads, these have become the central issues of current study in bridge engineering.
[3] LU Xu,Huo Da , The improved curvature mode of structural damage detection method, World Earthquake Engineering (2006),p.42-44

Corrosion Monitoring in Marine Environment Using Wavelet Description Ivica Kuzmanić1, a, Igor Vujović2,b and Joško Šoda3,c 1University of Split, Faculty of Maritime Studies, vicedean office, Zrinsko-Frankopanska 38, 21000 Split, Croatia 2 University of Split, Faculty of Maritime Studies, Department of Marine Electrical and Information Technology, Zrinsko-Frankopanska 38, 21000 Split, Croatia 3 University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Ruđera Boškovića bb, 21000 Split, Croatia aikuzman@pfst.hr, bivujovic@pfst.hr, cjsoda@fesb.hr Key words: dual-tree complex wavelet transform, image processing, marine environment, corrosion, monitoring, illumination variation.
Ultrasound images are considered in [9] that deal with corrosion in traffic (civil engineering, bridges), but not in marine traffic.

Study on Grouting Pressure of Splitting Grouting Based on Cylindrical Expansion Considering Large Strain WU Ke1, 2, a, MA Mingyue3,b and HAO Dongxue4,c 1Geotechnical and Structural Engineering Research Institute, Shandong University, Jinan, Shandong 250061, China 2 Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, 210098, China 3 Shandong University of Science and Technology, Qingdao, Shandong 266510, China 4School of Civil and Architecture Engineering, Northeast Dianli University, Jilin 132012, China awk4223@163.com, bshouhouxiaoke@163.com, cemail Keywords: clay; dam; stress; splitting grouting; large strain; plasticity; expansion.

Effect of Alkali and Silane Treatment on the Thermal Stability of Hemp Fibers as Reinforcement in Composite Structures Na Lu1,a, ,Shubhashini Mysore Bhogaiah2,b , Ian Ferguson3,c 1Dept. of Engineering Technology and Construction Management, Sustainable Material and Renewable Technology (SMART) Laboratory, University of North Carolina at Charlotte, NC, 28223, USA. 2Dept. of Civil and Environmental Engineering, Sustainable Material and Renewable Technology (SMART) Laboratory, University of North Carolina at Charlotte, NC, 28223, USA. 3Dept. of Electrical and Computer Engineering, University of North Carolina at Charlotte, NC, 28223, USA.

The Performance of Steel Beam during the Cooling Phase and the Impact of Fire Parameters Xiuying Yang* School of Architecture and Civil Engineering, Liaocheng University, Liaocheng, China, 252000 keer2000@hotmail.com Keywords: Steel beam, Fire, Cooling phase, The highest temperature, Heating rate, Cooling rate Abstract.
Engineering Structures, Vol. 43(2012), p.194-209 [6] C.
Engineering Structures, Vol. 46 (2013), p.471-492 [8] G.

Experimental Study on Activity of Fly Ash Replacing Cement in Concrete Changyong Li1, a, Long Jiang1, b, Yang Liu1, c and Zhiming Xu2, d 1School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, China 2Straight Administration Office of Henan Province, Middle Route Construction Administration of South-to-North Water Transfer Project, Zhengzhou, China alichang@ncwu.edu.cn, b512486310@qq.com, c381865703@qq.com Keywords: fly ash; cement; activity factor; water to binder ratio; compressive strength; flexural strength.
Introduction At present, admixing fly ash into concrete has been widely applied in engineering.
Zhu, Journal of Liaoning University of Engineering and Technology (Natural Science Edition) Vol. 31 3 (2012) 370-373

Based on the construction monitoring of Sihe Bridge, this paper introduces the main contents and methods of monitoring point location, monitoring control of construction process, and discussed the construction monitoring technology of long-span X-style tied arch bridge. 1 Engineering Survey The main bridge of Sihe Bridge consists double-basket handle tied arch and V type rigid frame bridge pier.
The bridge monitoring calculation of plane and space calculation analysis using "MIDAS/Civil " software, and the structural model is shown in fig.2.
Bridge Engineering[M].
Design and Construction of a ‘pointed’ Arch Bridge[J], Proceedings of the ICE - Bridge Engineering, 2007, 160(4), p.181

Numerical Analysis on Failure Modes of Steel Frame under Fire Combined Blast Loads Shi Yan1, a, Lu Yang1,b and Xuelei Jiang1,c 1School of Civil Engineering, Shenyang Jianzhu University, No.9 Hunnan East Road, Hunnan New District, Shenyang, Liaoning,110168,China a syan1962@163.com, b1048225477@qq.com, c zibinglan007@163.com Keywords: Fire combined explosion load, Steel frame, Elastic viscoplastic model Abstract.
a)0.12 b)0.15 c)0.75 d)1.5 Fig.11 Von Mises stress and deformation of the steel frame in room temperature Acknowledgement The research is financially supported by Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering (China University of Mining & Technology) with grant JSKL2011B01, and the opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology, China) with grant KFJJ10-14M.
:Journal of Engineering Mechanics, ASCE, 2005, 131(6): 606-616

Box 417, School of Electro-mechanical Engineering, Harbin Institute of Technology, Harbin 150001, P R China 11B908042@hit.edu.cn Keywords: rodless drilling rig, rodless drill set, bearing board, prototype test.
Introduction According to the rapid development of country’s economical construction, a large number of civil works began to be launched.
Besides, it also makes the engineering adaptability of drilling rig improved.
The test site chose the place outside the HIT’s engineering laboratory which consistent with Harbin Nan gang’s geological conditions which is shown in Table1.