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Influence on Environmental Safety of the Drinking Water of Nitrification in Water Reservoir Being a Source of Water Supply and Filter Filling Materials in Water Treatment Facilities Valentyna Iurchenko1,a, Mykyta Radionov2, b, Oksana Melnikova1, c*, Olexandr Rachkovskiy1, d and Larysa Mykhailova3,e 1Kharkov National University of Civil Engineering and Architecture, 40 Sumskaya Street, Kharkiv, Ukraine 2Ukrainian Research Institute of Environmental Problems, Bakulina Street. 6, Kharkiv, Ukraine 3Brandenburg University of Technology at Cottbus, Konrad-Wachsmann-Allee, 6, Cottbus, Germany аyurchenko.valentina@gmail.com, bradionov.nikita@ukr.net, cmikhoksana82@gmail.com, drachkovskiyalex@gmail.com, elora_net@list.ru Keywords: nitrification, natural water reservoirs, water treatment, drinking water, nitrites, environmental safety, zeolite.
Series: Materials Science and Engineering. 708 (2019) 012035 IOP Publishing doi:10.1088/1757-899X/708/1/012035.

Experimental Study of Aggregates Size Effect on Strain, Damage and Permeability of Concrete FABIEN Aurélie1&2, a *, CHOINSKA Marta2,b BONNET Stéphanie2,c and KHELIDJ Abdelhafid2,d 1ESITC Caen, 1 rue Pierre et Marie Curie, 14610 Epron, France 2GeM UMR CNRS 6183 – Research Institute on Civil Engineering and Mechanics, IUT Saint-Nazaire, 58 rue Michel Ange, BP 420, Saint-Nazaire, France aaurelie.fabien@esitc-caen.fr, bmarta.choinska@univ-nantes.fr, cbonnet-s@univ-nantes.fr, dhabdelhafid.khelidj@univ-nantes.fr Keywords: aggregate size, concrete, gas permeability, compressive behaviour, damage, strain Abstract.
Rocco, Effect of aggregate size on the fracture and mechanical properties of a simple concrete, Engineering fracture mechanics, 75, (2008) 3839-3851

Study on Applicability of Weighted Method for Indexes to Evaluate the Base-System of Water in Naolihe Catchment Zhenxiang Xing1，2，3, a, Jing LI1,a, Shuhua Dong4,b, Dan Lou4,b, Qiang Fu1,c,Hao Guo1,a 1School of Water Conservancy & Civil Engineering, Northeast Agricultural University, Heilongjiang, Harbin 150030, China； 2The Collaborative Innovation Centre of Grain Productivity Promotion in Heilongjiang Province, Heilongjiang, Harbin 150030, China； 3The Key Lab of Efficient Utilization of Agricultural Water Resources of Ministry of Agriculture, Heilongjiang, Harbin 150030, China； 4Heilongjiang Province Hydrology Bureau, Harbin, 150001, China aemail: zxxneau@hotmail.com, bemail: zyg_0807@163.com, cemail: fuqiang100@371.net Key words: Based-System of Water; Weight Methods; Analytic Hierarchy Process; Entropy Weight Method; Variation Coefficient Method Abstract: In order to study the applicability of different weighted methods for indexes to evaluate the health status of basin
project Irrigation capacity(N5） Effective proportion of irrigated area(N6) The variable of wading media Erosion intensity(N7) Meandering rivers degree(N8) Interference variable Per capita GDP(N9) The growth rate of natural population(N10) The per capita green area(N11) Concordance (M) Social function Urbanization progress(M1) The population density(M2) Urban and rural water supply coverage of life(M3) Agricultural water supply protection compliance rate (M4) Sewage treatment rate(M5) Industrial water treatment rate（M6） The strength of saving promotion(M7) Every ten thousand yuan GDP energy consumption (M8) Every ten thousand yuan GDP Water consumption(M9) Ecological function Forest coverage(M10) Intensity of pesticide use(M11) Intensity of fertilizer use(M12) A high proportion of water consumption crops(M13) The rate soil and water loss control(M14) Rate of evolvement(DS) The stability’s rate of evolvement (DS1) The concordance’s rate of evolvement (DS2) Note: Water area proportion of engineering

Steel and PVA Fibres Reinforced UHPC Exposed to High Temperatures - Analysis of Residual Properties Jan Fořt1, a, David Čítek2, b, Milena Pavlíková1, c, Jaroslav Pokorný1, d, Martina Záleská1, e, Zbyšek Pavlík1, f * and Robert Černý1, g 1Czech Technical University in Prague, Faculty of Civil Engineering, Department of Materials Engineering and Chemistry, Thákurova 7, 166 29 Prague 6, Czech Republic 2Czech Technical University in Prague, Klokner Institute, Department of Experimental Methods, Šolínova 7, 166 08 Prague, Czech Republic ajan.fort.1@fsv.cvut.cz, bdavid.citek@cvut.cz, cmilena.pavlikova@fsv.cvut.cz, djaroslav.pokorny@fsv.cvut.cz, emartina.zaleska@fsv.cvut.cz, fpavlikz@fsv.cvut.cz, gcernyr@fsv.cvut.cz Keywords: UHPC, high temperature exposure, residual properties, porosity parameters, water vapour transmissions, water transport.

Effect of Hydrothermal Carbonization of Coconut Coir on Mechanical Properties of Cement Mortar WINDA Ellyta1,a*, ADE Okvianti Irlan1,b, ANANTO Nugroho2,c, TRIASTUTI Triastuti2,d 1Civil Engineering Program, Faculty of Civil Engineering and Planning, Trisakti University, 16, Jl. 

Journal of Materials in Civil Engineering. 2019, 31(9): 1-8
Key Engineering Materials, 2014, 599: 203-207

Criteria and Characteristics of Elevator Noise in Apartments A-Yeong JEONG1,a, Kyoung-Woo KIM1,b*, Hye-Kyung SHIN1,c and Kwan-Seop YANG1,d 1Korea Institute of Civil Engineering and Building Technology, Daehwa-Dong 283, Goyangdae-Ro, Ilsanseo-gu, Goyang-Si, Gyeonggi-Do, 10223, Republic of Korea ajeongayeong@kict.re.kr, bkwmj@kict.re.kr, chkshin@kict.re.kr, dksyang@kict.re.kr *corresponding authour Keywords: Elevator noise characteristics, Noise criteria, NC curve Abstract.
Germany has criteria [4, 5] provided by the Association of German Engineers Verein Deutscher Ingenieure (VDI).

Student, Engineer – Cairo – Egypt 4Reinforced Concrete Institute - Housing and Building National Research Center (HBRC) - 87 El –Tahrir St., Dokki, P.O.
Burt, Engineering properties of polystyrene aggregate concrete, J.
Civil Eng. 30 (11) (2018) 1–11, https://doi.org/10.1061/(ASCE)MT. 1943- 5533.0002501

Application of prestressed concrete box girder with steel plate and concrete composite strengthening Zhuoya Yuan1, Xiongwei Shi2, 1, Wei Feng1, Liangliang Ke1 and Li Chen1 1Xi 'an Institute for Highway, Xi'an, China 2 Highway college Chang'an University, Xi’an, China Keywords: Bridge engineering; Composite strengthening; Space finite element; Field test; Bending capacity.
Journal of Architecture and Civil Eng ineer ing,2010, 27(3):94-101.
Macorini, Finite-Element Model for Collapse and Long-term Analysis of Steel–concrete Composite Beams, Journal of Structural Engineering, ASCE, Mar. 2004: 489-497
[12] Yong-Lin Pi, Mark Andrew Bradford, M.ASCE and Brian Uy, M.ASCE, Second Order Nonlinear Inelastic Analysis of Composite Steel-Concrete Members I: Theory, Journal of Structural Engineering, ASCE, May. 2006: 751-761
Baskar, Steel-Concrete Composite Plate Girders Subject to Shear Loading, Journal of Structural Engineering, ASCE, Sep. 2003: 1230-1242.

Due to their high mechanical properties coupled with lightweight, FG-CNTRCs are mainly used in the aerospace industry and in advanced engineering applications.
The developed numerical model is intended to be used in a variety of potential advanced engineering applications. 1.
Introduction Carbon nanotubes continue to attract remarkable interest from the technical and scientific communities, including physicists, chemists, engineers, materials scientists and biologists.
Then, due to their high mechanical, electrical and thermal characteristics, functionally graded reinforced composites are widely used in the aerospace, civil, automotive and biomedical industries.
Shen, Nonlinear vibration and bending of sandwich plates with nanotube-reinforced composite face sheets, Composites Part B: Engineering. 43 (2012) 411–421