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ASSESSMENT OF INTERNAL RESIDENTIAL ENVIRONMENT WITH REGARD TO NOISE LOAD IN SLOVAK REPUBLIK Dušan Dlhý1, a *, Peter Tomašovič2,b and Ladislav Mihalčík3,c 1,2Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinskeho 11, 813 68 Bratislava, Slovak Republic 3Regional public health Bratislava, Department of physical environmental factors Ružinovská 8, 820 09 Bratislava, Slovak Republic adusan.dlhy@stuba.sk, bpeter.tomasovic@stuba.sk, cladislav.908050795@gmail.com, d Keywords: noise, healthy living conditions, sound insulation index, sound proofing index, infiltration, hygienic window Abstract.

., Nanjing 211103, China 2State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 210008, China azhangjianliang@cnjsjk.cn, btianqian@cnjsjk.cn, cwangyujiang@cnjsjk.cn, dliming@cnjsjk.cn Keywords: Cement-based materials; Cement pastes; Capillary pressure; Test method Abstract: A Negative pressure sensing set-up for capillary pressure test was designed and used for testing the capillary pressure of cement-based materials, cement pastes of water-cement ratio 0.30 was adopted, and the factors that may affect the measured values such as hardness of water tube, gas volume in the set-up, gas content in water, test depth, bleeding of cement pastes was studied.

Bondarenko, Engineering methods of nonlinear theory of reinforced concrete, Moscow: Stroyizdat, 1981, 287 p
Razzakov, On the problem of seismic stability of large-span spatial structures, Industrial and civil construction in modern conditions, M .: MGSU, 2011, 15-18

Sasaki, Total acid number reduction of naphthenic acids using supercritical fluid and ionic liquids, Recent Insights in Petroleum Science and Engineering, (2018) 251-271. http://dx.doi.org/10.5772/intechopen.71812 [6] R.
Civil Eng. 21 (2009) 694-712.

Influence of Cement on Concrete Mix Designs through Sustainability Indicators Lucero Gila*, Sheyla Ruizb , José Rodriguezc and Juan Vised Civil Engineering Program, Universidad Peruana de Ciencias Aplicadas, Lima, Peru au201521676@upc.edu.pe, bu201523620@upc.edu.pe, cjose.rodriguez@upc.pe dpccijvis@upc.edu.pe Keywords: Cement, sustainability indicators, concrete mix design, ACI Method, IS Method Abstract.

The Influence of Organic Fibers on the Fire Resistance of Concrete Jan Klobása1,a*, Rudolf Hela1,b 1Brno University of Technology, Faculty of Civil Engineering, Institute of Technology of Building Materials and Components, Veveří 331/95, 602 00 Brno a*klobasa.j@fce.vutbr.cz, bhela.r@fce.vutbr.cz Keywords: Explosive spalling, fire resistance, thermal distortion, changes in the structure, recycle fibres Abstract: This article is focused on issues of concrete behavior under high temperatures.

Slobody 19, 812 45 Bratislava, Slovakia 2 Department of Building Structures, Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinského 11, 813 68 Bratislava, Slovakia 1 beata.polomova@stuba.sk, 2 andrea.vargova@stuba.sk, Keywords: historic religious architecture, restoration of historic churches, modernization, illumination of historic interiors, electro acoustical amplification system Abstract.

In this respect, the research of the UN-Habitat global observatory on cities, which supports governments, local authorities and civil society organizations in developing urban indicators and statistics, is of interest.
Panel-frame construction is a new innovative ideology of industrial housing construction, new opportunities for architects, designers, engineers, managers to meet consumer demand for modern comfortable housing.

Golewski1, a, Tomasz Sadowski1,b 1Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka, 38 str. 20-618 Lublin, Poland aglgol@wp.pl, bsadowski.t@gmail.com Keywords: defects, concrete composites at early age, fly-ash, Mode II fracture, X-FEM method Abstract.

Introduction  Recently, composite materials have attracted growing interest among the scientific and industrial community because of their use in a wide range of fields like aeronautics, automotive, civil engineering, etc.