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Excavation Deformation Analysis of Deep-Cutting High Rock Slope Lin NIE1, a and Depei ZHOU2,b 1School of Civil Engineering, Southwest Jiaotong Univ., Chengdu 610031, China 2Chengdu City Construction Investment Management Group Co., Ltd., Chengdu 610015, China acdnielin@gmail.com, bdpzhou@swjtu.edu.cn Keywords: rock slope; deep-cutting valley; excavation deformation; numerical analysis Abstract: The mainly purpose of the paper is to investigate the slope excavation deformation of the rock slope at the deep-cutting valley under different load conditions.
Based on the engineering practical experience, the effected depth by the blasting is 5m or so, in which range the strength parameters of the rock mass should be reduced.
According to the data from the HydroChina Chengdu Engineering Corporation, the seismic intensity reaches grade Ⅶ [5].
[6] HydroChina Chengdu Engineering Corporation: Study on high slope stability and support technology in hydropower engineering at deep-cutting valley.(2007) [7] Xiaolong Tan, Weiya Xu, Dawen Liu, Dewen Cai: Shuili Xuebao, 2010, 41(3):294-299 [8] Xiaolong Tan, Weiya Xu, Guilan Liang, Yongdong Meng, Jinlong Zhang: Rock and Soil Mechanics, 2010, 31(5):1633-1637, 1650 [9] Yinren Zheng, Shangyi Zhao, Luyu Zhang: Engineering Sciences, 2002, 4(10):57-61
[10] Shangyi Zhao, Yinren Zheng, Weidong Deng: Chinese journal of rock mechanics and engineering, 2003, 22(2):254-260.

The Study of the Correlation between Ground Motion Input and Artificial Boundary Condition Yi Wu School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China w-em@163.com Key words: seismic; ground motion input; artificial boundary; correlation Abstract.
References [1] CHEN Hou-qun: Journal of Hydraulic Engineering, Vol. 37(2006), p. 1417-1423(in Chinese) [2] LIU Jing-bo, WANG Zhen-yu, DU Xiu-li, DU Yi-xin: Engineering Mechanics, Vol. (2005), p. 4-5(in Chinese) [3] Liu Jingbo, Li Bin: Science in China, Ser.
(Beijing University of Technology, China 2004) (in Chinese) [6] Li Peizhen; Li Xilin: Earthquake Engineering and Engineering Vibration, Vol. 24(2004), p. 130-138(in Chinese) [7] Tao Mingxin: Study of Soil-substructure Dynamic Interaction with FEM [D].
(Chongqing Jiaotong University, China 2003) (in Chinese) [9] Lei Wenjun; Wei Demin: Earthquake Engineering and Engineering Vibration, Vol. (2005), p. 110-114(in Chinese) [10] YANG De qing; WANG De yu; WANG Xiang bao: Journal of Astronautics, Vol. 24(2003), p. 213-216(in Chinese) [11] WANG Yi-gong; YANG You-fa: Earthquake Engineering and Engineering Vibration, Vol. 24(2004), p. 42-45(in Chinese) [12] Zhang Dongyin: The Application of LS-DYNA in Soil-structure Interaction [D].
(Institute of Engineering Mechanics, China Seismological Bureau, China 2004) (in Chinese) [13] Lysmer, J. and R.

The Optimal Experimental Research on the Fluoride Removal from Efficient-whirling Clarifier Fengping Hu1, a, Linyuan Wang 1, b, Jianwen Luo 1, c 1School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, JiangXi, 330013, China ahufengping1968@126. com, bwlywly@ecjtu.jx.cn, cluojianwen1986@126.com Keywords: Coagulating sedimentation, Fluoride removal, Efficient-whirling clarifier, Polyaluminium chloride, Polyacrylamide.
In this paper the experiment research of fluoride removal was based on coagulating sedimentation method, and the defluorination effect of coagulant’s kinds and dosage, parameters of rotational speed and coagulant aid’s dosage was studied and optimized, which could provide crafts parameters of efficient-whirling clarifier for engineering application .
“A water coagulant dosage optimization experimental study” in Beijing Institute of Architectural Engineering, Vol.23, 2007,pp. 4-7.

Fatigue Crack Growth Rates of HPS 485W in China Chunsheng Wang1, a, Lan Duan1,b Jingyu Hu1,c 1 Department of Bridge Engineering, College of Highways, Chang'an University, Xi'an, Shaanxi Province, 710064, P.R.
To ensure the using safety and extend applying area of the new green civil material, the key material properties of HPS should be studied, such as fatigue crack growth rate.
Test Program In order to successfully apply HPS in bridge engineering, it is necessary to conduct fatigue tests, since the fatigue and fracture behavior of base metal are essential parameters for engineers.

Time Series Forecast of Foundation Pit Deformation Based on BP Neural Network CAO Jing1,a, DING Wenyun1,b, ZHAO Dangshu1,c, LIU Haiming1,d 1Faculty of Civil Engineering and Mechanics, Kunming University of Science and technology, Kunming 650500, China acjlb117@sina.com, b592938576@qq.com, cdszhao@163.com, dhmliu@kmust.edu.cn Keywords: foundation pit deformation; time series forecast; BP neural network; phase space reconstruction Abstract.
The pit deformation forecast gradually becomes a key research subject in the foundation pit engineering.
With the accumulation of engineering experience, more and more empirical methods are put forward.
The system of monitoring data processing and predicting and alarm of deep pit engineering[J].
Soil Engineering and Foundation, 2003, 1(4):58-59

The Design of Cooling Water Pipe and Cooling Analysis in Mass Concrete Panwu Lia,Qianqian Sib Institute of Civil Engineering, Chang’an University, 161 Chang’an Middle Road Xi’an, Shanxi, 710061,China alpw85392779@126.com,bsiqian2011@126.com Key words: Mass Concrete, Cooling Water Piping Design, Cooling; Velocity.
According to lots of engineering experiences, it is known that choose the cooling water pipe diameter between 30-50 mm is the most reasonable, the best choice is 32mm [4-6].

Determination of the Minimum Sampling Size for Performance Verification of Security Gate Chen Juan1, a, Song Chunwen2,b and Wu Wei3,c 1 School of Mechanical Engineering and Automation BeiHang University, Beijing, China 2 School of Automation Science and Electrical Engineering, BeiHang University ,Beijing, China 3 Analysis&Appraisal Lab of Civil Aviation Safety Aviation Safety Technology Institute,Beijing,China achen.juan@buaa.edu.cn, bscw@asee.buaa.edu.cn, cwuwei0531@hotmail.com Keywords: List the minimum sampling size, precision, central limit theorem Abstract.

Improving on road asphalt mixture high temperature performance analysis Zhang-fengchun1 a 1 Jilin institute of architecture and civil engineering Changchun 130118 a email: zhangfengchun@jliae.edu.cn Key word : high temperature stability, the low temperature crack, asphalt mixture Abstract: according to the road use functions, the article for asphalt mixture of high temperature stability, the low temperature crack performance is analyzed, the results for further study on the asphalt mixture has important significance.
References: [1] shenjinan, asphalt and asphalt mixture properties, the People’s Communications Publisher, 2001.5 [2] ZhangDengLiang, Asphalt pavement, the People’s Communications Publisher, 1998.12 [3] ZhangDengLiang, asphalt and asphalt mixture, people's traffic press, 1993 [4] yanjiaji, road building materials, the People’s Communications Publisher, 1996.6 [5] FangFuSen, pavement engineering, the People’s Communications Publisher, 1985.6

Finite Element Analysis of Fire Behavior of Steel Girders in Bridges Yongjun Liua, Wang Guangyuanb, Song Yanshengc School of Civil Engineering, Shenyang Jianzhu University, Shenyang, Liaoning, 110168, China aliuyongjun66@hotmail.com, bwangguangyuan1986@126.com, csongyansheng@yeah.net Keywords: Fire hazard, Tanker truck fire, Steel bridges, Finite element analysis Abstract.
Engineering Structures.

Finite Element Analysis of Mass Concrete Temperature Crack Mechanism Zhihua Xu 1, Dawei Sun 1, a, Hai Xiao1 1 College of Civil Engineering & Architecture, China Three Gorges University, Yichang 443002, China aCorresponding author email:daweisun@126.com Keywords: Mass Concrete; Temperature Stress; Temperature Crack; Midas Abstract.
The law of internal temperature and stress is calculated effectively with the help of software Midas, and the calculation results can give scientific guidance to design and construction process, to take measures to reduce the cracks caused by temperature stress which have important significance to engineering construction.