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Experimental Study on Bleed Water of Duct Grout Yongzheng Zhou1, a, Eryu Zhu1, b, Jianmin Yang2,c 1School of Civil Engineering, Beijing Jiaotong University, Beijing, 100044, China 2Management Department of Beijing Guanting Reservoir，Huailai 075441，China a10115279@bjtu.edu.cn, beyzhu@263.net, cjianmyang@163.com Keywords: Prestress engineering, Bleed water, Grout material, Vacuum-aided grouting.
Introduction In post-tensioned concrete structure conference of London in 1992, the British Highways Agency's leadership responsible for bridge engineering Alan Pickett [1] announced the news: "By checking they found that 80% of the prestressed concrete bridges have defects, 50% of the bridges have voids in ducts, in which 1/3 prestressing tendons show some corrosion...”
Railway Engineering.

Correlation Study on Modal Frequency and Temperature Effects of a Cable-Stayed Bridge Model Limin Sun1, a, Yi Zhou2, b and Xuelian Li3, c 1, 2, 3State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China almsun@tongji.edu.cn, bzhouyi8659@126.com, clixuelian1986@126.com Keywords: Structural Health Monitoring, Experimental Study, Frequency, Temperature, Cable-Stayed Bridge Abstract.
In recent years, structural health monitoring has been paid more and more attention in bridge engineering community.
Introduction In last two decades, the need to apply structural health monitoring technology in bridge engineering emerged, with the vibration-based method gained more and more attention.
Acknowledgements The authors would like to acknowledge financial support from Autonomous Foundation from State Key Laboratory for Disaster Reduction in Civil Engineering of Tongji University (Grant No.
Deeks: Engineering Structures, Vol. 28 (2006), p. 441.

Reliability Analysis of Bridge under Multi Adverse Factors HuibingXiea, YuanfengWangb, MinghuiLiuc School of Civil Engineering, Beijing Jiaotong University, Beijing, China.
adragen1987@163.com, bcyfwang@bjtu.edu.cn, cmhliu09@bjtu.edu.cn Keywords: Bridge Engineering; System Reliability; Overloading; Construction Deficiency Abstract:A bridge is a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle.As critical transportation junction in the transportation network, bridge controls thetraffic capacity of the transportation network.

Destructive Criteria for Highway Thick Filling Area Based on Stress Path Analysis Huaifeng Tong School of Civil Engineering, Luoyang Institute of Science and Technology , Luoyang 471023, P.R.China tonghuaifeng@163.com Keywords: geotechnical engineering; ground treatment; thick filling area; stress-path; destructive criteria.
Road width of a contract section of Jing-zhu high speed is 28m, average fill subgrade height is 6.3m, engineering survey report shows that there areapproximately 9.1m thick silt soil under natural ground 1.8m, as shown in figure 3. 
And considering the subgrade engineering construction requirements and silt soil vertical drainage difficulty, need to reinforce. 
Obviously, only when the O, D, F three points in a straight line, and for Kf 'line of composite soil , the stress path is the critical state, the processing requirements is minimum in high filling engineering on soft soil.
Kf q (kN/m2) p（kN/m2） A C B ESP ESP ESP D E F Kf’ α’ α Fig.7 Stress Path after Foundation Construction References [1]Zhongxiong Hu: Soil mechanics and Environmental soil engineering [M].

It is noted that the bridge responses that the bridge engineer is most interested in generally occur in Phase N.
Nowak: Simulation of dynamic load for bridge, Journal of Structural Engineering, ASCE Vol.117, No.5 (1991), p.1413-1434
Lin: Response of a bridge to a moving vehicle load, Canadian Journal of Civil Engineering Vol. 33, No. 1 (2006), p.49-57
Weng: Evaluation of dynamic vehicle load on bridge decks, Journal of The Chinese Institute of Engineers Vol. 27, No. 5 (2004), p.695-705
Young, Vibration Problems in Engineering, John Wiley and Sons, Inc., New York, USA (1974)

Engineering Structures, 1998, 20(4): 282-290
Multi-scale modeling and damage analyses of large civil structure—multi-scale mechanics from material to structure.
Engineering Structures 33 (2011) 181–190 [5] Y.L.Ding,A.Q.
Earthquake Engineering and Engineering Vibration, 2006, 02:66-72.
Engineering Structures, 1998, 20(4): 271-281.

Research on Mechanical Properties of Fiber Recycled Concrete Xianhong Meng 1,a, Chao He2,b and Xuefeng Feng3,c 1,2 School of Civil Engineering, Shenyang Jian Zhu University, Shenyang China,110168 3Assistant engineer of expect ago department,Tangshan MMC Real Estate Development Co.
To determine the rational content of fiber,provide a theoretical basis for practical engineering.
Introduction Recycled concrete due to their own shortcomings has limited the practical engineering applications.
In this paper,on the base of the fiber content, fiber varieties,and recycled concrete recycled fiber content and other factors on properties of concrete in compression which provide a theoretical basis for engineering practice[2].
of Steel Fiber Reinforced Concrete,Engineering Master Thesis,Zhiying Ma in Beijing Technology University,3,（2005） [8] Cheon-Goo Han,Yin-Seong Hwang,Seong-Hwan Yang and N.

Northeast China Rural Residential Passive Solar Design Exploration Ju Qiu1, a, Hongming Liu2, b 1.School of Architecture and Planning, Jilin Institute of Architecture and Civil Engineering, Changchun 130021, China 2.School of Architecture and Planning, Jilin Institute of Architecture and Civil Engineering, Changchun 130021, China a. qiuju0202@sina.com, b. lhm1012@sina.com Key words: Northeast China Rural Residence; Passive Solar Energy Technology; Severe Cold Regions Abstract.

Report UILU-ENG-74-2029, Civil Engineering Studies, University of Illinois at Urbana-Champaign
Ph.D Thesis, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand

Approach to Folk Construction Techniques of Earth-Dwelling Caves Liping Tong1,a, Zhiye Chen2,b and Wenjuan Li3,c 1College of Civil Engineering, Zhengzhou University, Zhengzhou, China, 450001 2School of Foreign Languages, Zhengzhou University, Zhengzhou, China, 450001 3Dep.
Of Civil Engineering, Zhengzhou Hydraulic School, China, 450000 atongliping@zzu.edu.cn, bchenzhiye@zzu.edu.cn and clwjlxy858@163.com Keywords: traditional housing; earth-dwelling caves; construction techniques; architectural and cultural protection Abstract.