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Tomáš Helan3 1 Brno University of Technology, Faculty of Civil Engineering/Institute of Technology of Building Materials and Components, Brno – 602 00, Czech Republic 2, 3 Brno University of Technology, Faculty of Civil Engineering/Institute of Technology of Building Materials and Components, Brno – 602 00, Czech Republic aemail: hubacek.a@fce.vutbr.cz, bemail: hela.r@fce.vutbr.cz Keywords: The Sprayed concrete, compressive strength, calibration relationships Abstract.

Early Age Cracking Characteristic of Concrete with Compound Admixtures Yunfeng Li, Dongsheng Zhang and Li Xu Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation (Shandong University of Science and Technology), Qingdao 266590, China hhliyunfeng@126.com Keywords: Shrinkage, Cracking, Admixture, Concrete Abstract.
Vol. 16 (2009), p. 0768 [2] MUHAMMAD I A K, EMMANUEL R. in: Proceeding of International Conference on Advances in Cement Based Materials and Applications in Civil Infrastructure, edited by RIZWAN S A, GHAFFAR A, A-One Publishers (2007)
Kong: Key Engineering Materials.

Study on Effects of Cu Content on Properties of Al-Mg-Si Aluminum Alloy Zhang Jianxin1,2,a, Shao Shuijun3,b, Li Liang1,c 1Institute of Materials Science and Engineering , Henan Polytechnic University , Jiaozuo 454000, P.R.China 2Institute of Liberal Arts and Law , Henan Polytechnic University , Jiaozuo 454000, P.R.China 3Institute of Mechanical and Power Engineering , Henan Polytechnic University , Jiaozuo 454000, P.R.China aedu001@163.com, bshsj@hpu.edu.cn, cliliang@hpu.edu.cn Key words: aluminum alloy, Cu alloying element, structure and property, mechanism.
Introduction A1-Mg-Si aluminum alloys are widely used in industrial and civil building materials and complex shape of heat conductivity material for its good thermoplastic, corrosion resistance and ideal processing performanceand easy tinting.
Influence of Cu on the corrosion property As this series of aluminum alloys have good corrosion resistance and ideal processing performance, it is used to make the aluminum material suitable for various environment in industrial and civil building.

Failure Surfaces of Honeycombs with Plateau Borders Under In-plane Biaxial Loads Mei-Yi Yang1 and Jong-Shin Huang2 1, 2 Department of Civil Engineering, National Cheng Kung University, Tainan, 70101 Taiwan 1 cherie_yang@yahoo.com.tw, 2 jshuang@mail.ncku.edu.tw Keywords: Failure surface, Plateau border, Honeycomb, Biaxial loads.
Chen: Master thesis, Department of Civil Engineering, National Cheng Kung University, Tainan, Taiwan (2002)

Geometric Parameter Design of Self-locking Foldable Latticed Shells in Deployment Process Chengjiang Lu1, a, Hongbin Zhao2,b 1 School of Architecture and Civil Engineering, Harbin University of Science and Technology, Heilongjiang Harbin 150080, China 2 Institute of Building Structures, China Academy of Building Research, Beijing 100013, China aluchengjiang@hrbust.edu.cn, bzhao.h.b@163.com Keywords: foldable structures; scissor-like element; snap-through; geometric parameters Abstract: Foldable structures are rapid to erect and easy to collapse for reuse.
The traveling theater proposed by Spanish architect Emilio Perez Pinero was the first application in the field of civil engineering.

Measuring and Modeling Analysis of Electrochemical Impedance Spectroscopy for Hydration Procedure of Cement Materials Xiangping Xian 1, a, Yanshuai Wang1, b, Feng Xing1, c and Biqin Dong1,d 1School of Civil Engineering, Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, Shenzhen University, Shenzhen, P.R.

The Implementation Of Coons Surface in airport CAD In the field of engineering CAD, AutoCAD is the most widely used CAD software; it has the strong secondary development ability which allows programmers to extend its function through a variety of development interface.
The Airport Vertical Design CAD system described in this paper has played an important role in the designs of over ten major airports at home and abroad (such as the new airport in Kunming, Chongqing airport) which was undertaken by China Civil Airport Corporation's commitment.
The Airport Vertical Design CAD system described in this paper has played an important role in the design of over ten major airports at home and abroad (such as the new airport in Kunming, Chongqing airport) which is undertaken by China Civil Airport Corporation's commitment.
References [1] Guiming Ni and Dongyuan Yang, "CAD technology application and development of the airport project", "Computer Engineering and Applications", 1999.6; [2] Dongyuan Yang, Guoqiang Wang and Zhaohong Zhu, "Airport Runway Project CAD System Design in Three-dimensional Surface Model", "Journal of Computer-Aided Design and Graphics", 1998.1; [3] Yulong Pei, Jianhua Deng, "Bilinear Coons Surface application in Vertical Plane Intersection Design", "Harbin University of Architecture and Technology", 2002.2; [4] Hongfei Jiang, Zhenyan Zhan, "The Method to Take into Account the Terrain to Build the Railway Model", "Computer-Aided Des

Study on the Surface Flow Constructed Wetland Wastewater Treatment of Furfural Wastewater Juwei Peng1, a, Xiangkui Han1, b 1 Jilin Institute Of Architecture and Civil Engineering, Changchun 130021, China apjw_lsh@126.com, bhan.xiangkui@163.com Keywords: wetland; surface flow; furfural; wastewater treatment Abstract.
Journal of Jilin Architechtural and Civil Engineering Institute, vol.3, pp. 4-6, 2004

Properties of Dry-mortar with Recycled Concrete Aggregate and Powder of Crushed Clay Bricks XUE Jianhua1, 2, a , LI Xiaoguang3, LIU Yunxiao3 and DU Qiang3 1School of Management, Xi’an University of Architecture & Technology, Xi’an，710055，China 2Urban and Rural Construction Commission, Xi’an, 710003, China 3School of Civil Engineering, Chang’an University, Xi’an, 710061,China agxleee@sohu.com Keywords: Fine recycled aggregate, Fine recycled powder, Crushed clay brick, Mortar Abstract.
The testing aggregates were collected from concrete road demolished by Xi`an Civil Engineering Company.

Optimal Design of Spatial Grid Structure Using Group Search Optimization Bing Yuan1,2a，Fengming Ren1, 2b，Genquan Zhong1, 2c，Jing Zhou1, d 1Faculty of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, China 2GDUT-HK POLYU Joint Research Center for High Performance Structures, Guangzhou , China ayuanbing@ gdut.edu.cn， bfmren@gdut.edu.cn，czgq@gdut.edu.cn Keywords: Spatial grid structures, Group search optimization, quick group search optimization, Optimal design Abstract An economic and safety design proposal of the spatial grid structure is very difficult to find according to traditional design method.The group search optimization and its improved algorithm are applied in optimization design of a spatial grid structure in this paper.
Comput Civil Eng, ASCE, 1996, 10(2): 143-150
Journal of Structural Engineering, 1995, 121 (10): 1480-1487