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References [1] Nalewajko M. (2018) Recycling of construction waste as one of the aspects of sustainable construction, the magazine 'Ekonomia i Środowisko' (Economy and Environment), No. 1(64)/2018, 144 – 155 [2] Nalewajko M. (2017) Utilization Certyd type aggregatein building ceramics, 2nd International Conference on Current Research Problems of Materials, Structures, Technologies and Organization of Civil Engineering in Cross-Border Approach, Brest, s. 121-125 [3] https: //stat.gov.pl/obszary-tematyczne/srodowisko-energia/srodowisko/ochrona-srodowiska- 2018,1,19.html [4] Król M., Błaszczyński T.Z., Geopolymeric ecoconcrete, Building materials, nr 11, 2013
[6] Yang Z., Huddleston J., Brown H., Effects of Wood Ash on Properties of Concrete and Flowable Fill, Journal of Materials Science and Chemical Engineering, nr 4, 2016, 101-114
[10] Małaszkiewicz D., Methakaolinite as a pozzolanic additive to concrete - review of the state of the art, Construction and Environmental Engineering, 2015, Vol. 6, no. 2, str. 81-94 [11] Siddique R., Klaus J., Influence of metakaolin on the properties of mortar and concrete: A review, Applied Clay Science, 2009, 43, s. 392-400

Effect of Reaction Time on the Coercivity of Barium Ferrite Synthesized by Hydrothermal Process Min Chen1,a*, Yinxuan Yin2,b, Meili Qi1,c,Yongling Ding1,d and Yanmin Wang1,e* 1School of Civil Engineering, Shandong Jiaotong University, Jinan 250357, China 2College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China achenmin@sdjtu.edu.cn, b13262529379@163.com, cqimeili@sdjtu.edu.cn, ddingyongling@sdjtu.edu.cn, ewangyanmin@sdjtu.edu.cn Keywords: Low coercivity; Barium ferrite; Hydrothermal synthesis Abstract.
Litvinov, Barium hexaferrite nanoparticles: Synthesis and magnetic properties, Materials Science and Engineering B-Advanced Functional Solid-State Materials, 176 (2011) 8-13

Research on the Proportion of Inorganic Binder Stabilize Materials with Soda Residue Guo Wenying1,a, Zheng Meiru1,b, Yang Yibo1, 2, c, Wang Hengchang1, d 1School of Civil Engineering and Transportation, South China University of Technology, Guangzhou China; 2State Key Laboratory of Subtropical Architecture Science, South China University of Technology, Guangzhou, China awyguo@scut.edu.cn, b421241393@qq.com, c yangyibo@scut.edu.cn, dcthcwang@scut.edu.cn Keywords：Soda residue; cement; inorganic binder stabilize materials; mineral admixtures Abstract.
The samples were tested according to the proctor compaction test method in “Test Methods of Materials Stabilized with inorganic Binders for Highway Engineering” (JTG E51-2009).
The samples were tested according to the unconfined compressive strength test method in “Test Methods of Materials Stabilized with inorganic Binders for Highway Engineering” (JTG E51-2009).

[3]North-east Electric Power Design Institute of State Power Corporation of China: Design manual for high-voltage transmission lines of electric power engineering, China Electric Power Press, Beijing (2007)
Fu et al: Analysis on dynamic responses of transmission tower-line system under ice shedding, Journal of Vibration Engineering, vol.23 (2010), p.86-93
Architecture and Civil Engineering, vol.26 (2009), p.1-7.

Simulation and Comparative Analysis on Environmental Control in Subway Liuming1, a, Zhang Baogang1, b, Wen Liu3, Huang Zhongzhi2 1 School of architecture and fine art, Dalian University of Technology, Dalian, China 2 Faculty of infrastructure engineering, Dalian University of Technology, Dalian, China 3 Municipal and environmental engineering college, Shenyang jianzhu University, Shenyang ,China aemail：liumingyitj@163.com bemail: Zhangbaogangtj@163.com, Keywords: Subway station; Thermal environment;Ventilation;Numerical simulation;Energy saving.
Table 1 The structure comparison of air conditioning and ventilation system System Name Composition of Air Conditioning and Ventilation System Open System Station large-scale system Tunnel ventilation system The water system of the station air conditioning Station small-scale system —— Platform Screen Door System Station large-scale system Tunnel ventilation system The water system of the station air conditioning Station small-scale system Heat exhausted system of Station There are little difference between the two system in civil engineering aspects, and the platform-screen doors of PSD system is a high cost in initial investment.

Experimental Research on Flexural Behavior of Recycled Concrete One-way Slab Reinforced with CFRP Jianjun Xie1, b, Junlin Tao1, a, Song Gu1, Ting Lei1, Wenjun Hu1, 2, c 1Department of Civil Engineering and Architecture, Southwest University of Science and Technology, MianYang, SiChuan, 621010, China 2 CAEP, Institute of Systems Engineering, MianYang, SiChuan, 621900, China ajunlintao@126.com, bjianjun_xie@163.com, cwjhu@vip.sina.com Keywords: Recycled concrete, One-way Slab, Deflection, CFRP, Reinforcement Abstract.
[9] Li Songhui, Zhao Guofan, Wang Songgen: Engineering Mechanics, Vol.22(2005) , p.153~158,in Chinese

Introduction Due to the advantages of high specific strength, high specific stiffness, easy molded and devisable, the thermoset filament wound composite shell is widely used in the fields of aerospace, military, civil engineering, energy transportation and pressure vessel and has generated tremendous economic value [1, 2].
The physical model is established by PRO ENGINEER.
Journal of Reinforced Plastics and Composites, Vol.24 (2005) No.8, p.855-868 [3] Haoqing Ni, Yongming Shen: Numerical Simulation of Turbulent Flow and Heat in Engineering (China Water Power Press, Beijing, 1996) [4] Feng Zhang, Xinxing Tan, Xia Ju: Numerical Analysis of the Issue of the Wet-steam Condensation and Flow in 2D Cascade, Turbine Technology, Vol.49 (2007) No.4, p.298-300 [5] Wang Xucheng: Finite Element Method (Tsinghua University Press, Beijing, 2003.7)

Butler, Jr.1,a, Marek-Jerzy Pindera 2,b and Jacob Aboudi3,c 1 Mechanical Engineering Department, Johns Hopkins University, Baltimore, MD, 21218, USA 2 Civil Engineering Department, University of Virginia, Charlottesville, VA 22904, USA 3 Faculty of Engineering, Tel-Aviv University, Ramat-Aviv 69978, ISRAEL a dan_butler@jhu.edu, bmp3g@virginia.edu, caboudi@eng.tau.ac.il Keywords: Thermal barrier coatings.

Masonry Analysis Interpretation and Data Archive System ADORNI Elisa1, a and BLASI Carlo2,b 1,2 Department of Civil-Environmental Engineering and Architecture, University of Parma, Parma, Italy a adornielisa@hotmail.it, bcarlo.blasi@unipr.it Abstract Diagnostic analysis, required to characterize materials and mechanical parameters of ancient masonry, needs a systematic collection and a careful reading of data results, as well as the cross-check of results of the different samples collected.
In a database, who works on the monument (historians, engineers, architects, restorers, technicians, etc.) can find information about materials and their mechanical characteristics, about executive methods and fundamental geo-referencing of samples; this is the purpose that the working group has set.
Morphological, mineralogical, chemical and physical description could be enter in fields Data computerization allows to share information from case-studies in a organized and easily comparable and integrable way, in particular, this is possible through the adoption of a clear terminology in common with the different specialized fields involved in the preservation and consolidation of the architectural heritage, such as: engineers, architects, chemists, geologists, restorer, technicians, etc.

Detection of Cracks in Beam Structures Using Modal Analysis Pallab Das Assistant Professor, Department of Civil Engineering National Institute of Technology Silchar, Assam, India.
[4]  Inman Deniel J.: Engineering Vibration, Prentice Hall, Inc., second edition 2001
[8] Liebowitz H. and Claus W.D.: Failure of notched columns, Engineering Fracture Mechanics, Vol. 1(1968) p. 379-383