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Study on strength estimating of recycled concrete based on rebound method and ultrasonic-rebound combined method Jun Chen a, You Wen Su b , Ting Lei c and Song Gu d School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China ashevchenkochen@163.com, bsuyouwen123@126.com, cleiting@swust.edu.cn, dgs1361800@sina.com Key words: Strength Estimating, Recycled Concrete, Rebound Method, Ultrasonic-rebound Combined Method.

Analysis of Stress Response for the Super High Rise Double-tower Connected Structure with the Trusses of Changing Rigidity Zaigen Mu1, a, Li Wang1, b and Zhong Fan2 1Dept. of Civil Engineering, University of Science and Technology Beijing, Beijing 100083, China 2China Architecture Design & Research Group, Beijing 100044, China azgmu@ces.ustb.edu.cn, beightdaysaweek@163.com Keywords: double-tower connected structures(DTCS); connected truss; story drift.

Production of aromatic hydrocarbons from fast pyrolysis of lignin over HZSM-5 Xiujuan Guo1, a, and Shurong Wang2, b * 1College of Civil Engineering and Architecture, Ningbo University of Technology, Ningbo 315010, China 2State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China aemail: guoxiujuan1130@126.com, bemail: srwang@zju.edu.cn (Corresponding author) Keywords: Lignin, Pyrolysis, HZSM-5; Py-GC/MS; Aromatic hydrocarbons; Phenols Abstract.

Study on Energy Conservation in Rural Residential Buildings in China Lei Hu1,a, Houtian Zhang1,b 1Department of Civil Engineering in Luoyang Institute of Science and Technology, China , 471023 ahulei127@sohu.com, b tiantianhou@tom.com Keywords: Rural residential buildings, Building energy conservation, Problems, Government, Improvement Abstract.

Acknowledgements This work were financially supported by the Key Discipline of Civil Engineering in Hunan province, the National Natural Science Fund of China (11175081), the Project of Hunan provincial Department of Science and Technology (2011SK2015) and the Education Department Fund of Hunan Province of China(08C749).

Crossing Materiality and Immateriality: LED Architecture and Architectural Virtualization Ge Yu1,a, Ying Liu1,2,b and Guangtian Zhou1,c 1School of Architecture, Harbin Institute of Technology, Harbin, 150001, China 2School of Art and Design, Jilin Institute of Architecture and Civil Engineering, Changchun, 130118, China ayuge_hit@yeah.net, bly77428@yahoo.com.cn, czougt@hit.edu.cn Key words: Materiality, Immateriality, LED, Virtual.

Effect of Viscous Damper on Seismic Performance of Steel-Concrete Hybrid Structure for High-Rise Building Dejian Shen1,a, Sen Qiu1,b, Ling Song1,c and Congbin Huang1,d 1 College of Civil and Transportation Engineering, Hohai University, Nanjing, 210098, China ashendejian@hhu.edu.cn, bqiusen1985@sina.com, cslnanjing@126.com, dcongbinnj@163.com Keywords: high-rise building, steel-concrete hybrid structure, viscous damper, seismic performance, effect of vibration reduction Abstract.

With the development of finite element technology and high-performance computers, the finite element method has gradually been used in engineering practice to simulate the bird impact process.
Accordance with the civil aircraft airworthiness requirements, the horizontal tail structure required to resist the impact of 3.6 kg bird [5,6].

Research on Xi’an Real Estate Market and National Economy Based on Spectral Analysis Hua Tanga, Hiumin Li b and Tao Zhouc School of Civil Engineering, Xi’an University of Architecture &Technology, Shanxi, Xi’an, 710055, China ahuatang1896@126.com, bLi_Huimin2005@126.com, c471206286@163.com Keywords: Spectral Analysis, Real Estate, Cycle Fluctuations Abstract.

The Studies of the Concept Plan of the Fengcheng Industrial Park towards the Circular Economy Feijin Xu School of Civil and Architectural Engineering, Nanchang Institute of Technology, Nanchang, China 330099 feijinxu@126.com Keywords: the regional circle of Poyang Lake, circular economy, industrial park, planning and design Abstract.