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The Trees Skeleton Extraction Based on Point Cloud Contraction Guizhen He1,a 1 School of Civil Engineer and Architecture, East China Jiaotong University, Nanchang, 330013,China a274509000@qq.com Keywords: scattered point cloud, three dimensional simulation, skeleton extraction Abstract: To achieve the trees three dimensional simulation, the most critical step is to extract the trees skeleton.

Daugėla, The influence of biomass fly ash on the plasticizing effects in cement pastes, Procedia Engineering, 172 (2017) 1015- 1022; doi: 10.1016/j.proeng.2017.02.152 [10] T.
Civil Eng., ASCE 15 (2003) 400-407

Testing of the Prefabricated Reinforced Concrete Pillars ŠIMEK Ondřej1,a*, ZICH Miloš1,b, JANDA Miloslav2,c, DANĚK Petr1,d, NEČAS Radim1,e 1Brno University of Technology, Faculty of Civil Engineering, Veveří 331/95, 602 00 Brno, Czech Republic 2S.O.K. stavební, s.r.o., Střítež, Hrotovická – Průmyslová zóna 162, 674 01 Třebíč, Czech Republic asimek.o@fce.vutbr.cz, bzich.m@fce.vutbr.cz, cjanda@sok.cz, ddanek.p@fce.vutbr.cz, enecas.r@fce.vutbr.cz Keywords: pillar, reinforcement, detailing of reinforcement, prefabricated element, tension Abstract.

Collapse of the historic city walls of Pistoia (Italy): causes and possible interventions Marco Andreini1,a, Anna De Falco1,b, Linda Giresini1,c and Mauro Sassu1,d 1Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, Largo Lazzarino n.1 - 56126 Pisa, Italy amarco.andreini@dic.unipi.it, ba.defalco@ing.unipi.it, clinda.giresini@dic.unipi.it, dm.sassu@unipi.it, Keywords: Masonry, collapse, temporary, safety features, medieval walls.
The authors acknowledge the Municipality of Pistoia and the Consortium RELUIS with Dept. of Civil Protection for support activities provided in the Task Force AT1.1 (2010-2013).

Ceramic Waste Powder as an Active Pozzolanic Material for Cement Based Composites KULOVANÁ Tereza1, a *, PAVLÍK Zbyšek1, b 1Czech Technical University in Prague, Faculty of Civil Engineering, Thákurova 7, 166 29 Prague, Czech Republic atereza.kulovana@fsv.cvut.cz, bpavlikz@fsv.cvut.cz Keywords: Ceramic waste powder, cement paste, mechanical and physical properties, partial cement replacement.

Président Wilson, 94234 Cachan, France, e-mail: jeong@profs.estp.frdbassir@adm.estp.fr 2 GeM, UMR CNRS 6183 Research Institute on Civil Engineering and Mechanics University of Nantes IUT Saint-Nazaire, 58 rue Michel Angle, 44606 Saint-Nazaire, France, e-mail: pierre.mounanga@univ-nates.fr 3 CRMD, UMR CNRS 6619- Research Center on Divided Materials, Ecole Polytechnique de l'Université d'Orléans, 8 rue Léonrad de Vinci, 45072 Orléans, France, e-mail : hamidreza.ramezani@univ-orleans.fr , marwen.bouasker@univ-orleans.fr Keywords: cement based mortar, autogenous shrinkage, self desiccation , multi scale approach, hygro-Cosserat theory, NFEM.

Analyze of the seismic behavior of Wind Energy Building Xiaojun Guan1, a, Guoping Chen1, band Ying Yang 1, c 1School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China aguanxiaojunswust@163.com, bguopingchen2002@163.com, cwhitewhitetree@hotmail.com Keywords: Wind energy building; ANSYS; Earthquake action; Time-history analysis.

Analysis of Dynamic Displacement Response of Bridge with Impact of Standard Energy Xianmin Zhang1, a, Keshi Xu1, b 1 Civil Aviation University of China, Dongli District, Tianjin, China, 300300 acauczxm@126.com, bsc.xukeshi@gmail.com Keywords: Roughness of the Bridge deck, Impact of the Standard Energy, Coefficient of the Impact, Dynamic Displacement, Bridge Mechanical Properties.
Vol. 24(2002), P.57 [2] Shudong Wang, Jianqing Bu, Guochong Lou: Journal of Chang’ an University ( Natural Science Edition), Vol. 28(2008), P. 63 [3] Xinhua Wan, Xiaoyao Hu, Hongping Hao, Hongping Zhu: Journal of Vibration and Shock, Vol. 26(2007), P. 66 [4] Ying Shi, Jiming Xuan, Yifan Song:  Bridge Construction, Vol. 6(2009), P. 15 [5] Yongchun Cheng, Guojin Tan, Hanbin Liu, Fushou Liu: Journal of Virbration Engineering, Vol. 22(2009), P. 474

Evaluation Analysis of Ecological Footprint Model Ying Li1, a, Tingting Guo2,b, Panpan Li 3,c Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, 100044, China a liy@bucea.edu.cn Keywords: Ecological Footprint Model, Evaluation, Analyze Abstract: The conception and calculation of ecological footprint model were concluded.

Rahman6 1,2,3,4 Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor.