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Architecture, Civil Engineering, Environment

Silesian University of Technology

Subject: Architecture , Civil Engineering , Engineering, Environmental

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ISSN: 1899-0142

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FEATURED ARTICLES

THE EFFECTS OF DEAD LOADS IN CANTILEVER CONCRETING BRIDGES
SELECTED ANALYSIS OF ENERGY-SAVING KINDERGARTEN IN ZŁOTY POTOK – COMMUNE OF JANOW, ALONG WITH ITS USAGE EVALUATION. A CASE STUDY
BEAUTY OF HISTORIC URBAN CENTRES – EVOLUTION IN CONSERVATION THEORY
INNOVATIVE STEEL FIBERS AND THEIR EFFECT ON FIBER DISTRIBUTION IN BEAMS - EXPERIMENTAL INVESTIGATIONS

VOLUME 9 , ISSUE 4 (December 2016) - List of articles

DAYLIGHTING IN SUSTAINABLE INTERIOR DESIGN OF OFFICES

Magdalena CELADYN

The paper presents issues concerning realization of paradigm of sustainable design in the achitectural design of offices. Special attention is given to relevant technical, formal and functional solutions, being the domain of interior architects creating the built environments of adequate indoor quality with substantial reduction of negative impact on natural environment. Presented sustainable architectural interiors, completed in the last decade, have gained cerificates established by independen(..)

DOI: 10.21307/acee-2016-046

Published Online: 26-August-2018

UNIVERSAL DESIGN. METHOD OF QUALITY RESEARCHES OF RESIDENTIAL SPACE

Beata KOMAR/ Beata KOMAR

Problem statement: The paper fits the trend of Universal Design and focuses on urban space of large housing estates, which is not suitable for all users, and has structural and non-structural barriers. Methods: The author for the study of such problems has developed its own method of research, which is part of a larger Urban Audit, published in the author’s habilitation monograph. This article, due to the ability to reach a wider audience, presents this method in English. Findings and Results: T(..)

DOI: 10.21307/acee-2016-047

Published Online: 27-August-2018

SENIOR COHOUSING IN CROSS-CUTTING RESEARCH

Witold BASIŃSKI

In girders with corrugated web, semirigid joints alter damping and vibrational frequency, which indirectly produces a change in the integrated stiffness of girders K, thus diversifying the magnitude of displacement amplitudes of forced vibration [4, 5, 6]. On the basis of investigations relying on the method of vibration measurements, rotational stiffness of semirigid end-plate connections was determined [2, 3]. Using two viscoelastic material models, namely the Voigt–Kelvin and the Hook–Voigt–K(..)

DOI: 10.21307/acee-2016-048

Published Online: 26-August-2018

SENIOR COHOUSING IN CROSS-CUTTING RESEARCH

Agnieszka LABUS

This paper concerns the issues of senior cohousing with a particular emphasis on the residents’ gender. Senior cohousing is an alternative way of living for older people in the 21th century. It is referred to as a community or cooperative, which is created by people aged 50+, who have already retired and those professionally active, who, for various reasons, want to live with people with similar views and co-decide about what their living environment looks like. Literature review shows the sligh(..)

DOI: 10.21307/acee-2016-049

Published Online: 27-August-2018

MODERNIST DETERMINANTS VS THE SHAPE OF URBAN SPACE. THE METHOD OF INDICATING FACTORS WHICH DECIDE ABOUT THE CITY'S IMAGE

Jan RABIEJ/ Aleksandra TOMKIEWICZ

The aim of the paper is to demonstrate a scheme of research connected with the shape of an urban space and its determinants. As a basis, elements of a city and their spatial features deciding about the characteristic and individual image of an urban organism were determined. They were defined using the example of the evolution of European cities from ancient times until modernism and the analysis of various methods of characterising the tissue of a city. The reference to modernism is justified b(..)

DOI: 10.21307/acee-2016-050

Published Online: 27-August-2018

THE NEWEST CHURCH ARCHITECTURE IN GERMANY. AESTHETIC ASPECTS OF FORM - ANALYSIS OF SELECTED EXAMPLES

Aleksander SERAFIN

The paper presents the analysis of selected Christian sacral buildings realized in Germany since 2000. Because of the wide range of the question, mostly the aesthetical aspects was discussed. However, in particular cases some important symbolical and functional determinants need to be emphasized. Tendencies that are recognizable in contemporary composition of ecclesiastical architecture were also confronted with the traditions, that are characteristic for German modern architecture. This invites(..)

DOI: 10.21307/acee-2016-051

Published Online: 27-August-2018

ANALYSIS OF OSCILLATORY MOTION OF SIN GIRDERS WITH SEMIRIGID JOINTS

Witold BASIŃSKI

In girders with corrugated web, semirigid joints alter damping and vibrational frequency, which indirectly produces a change in the integrated stiffness of girders K, thus diversifying the magnitude of displacement amplitudes of forced vibration [4, 5, 6]. On the basis of investigations relying on the method of vibration measurements, rotational stiffness of semirigid end-plate connections was determined [2, 3]. Using two viscoelastic material models, namely the Voigt–Kelvin and the Hook–Voigt–K(..)

DOI: 10.21307/acee-2016-052

Published Online: 27-August-2018

OPTIMIZATION OF TRUSSES WITH SELF-ADAPTIVE APPROACH IN GENETIC ALGORITHMS

Krzysztof GRYGIEREK

This paper presents a genetic algorithm method for the optimization of the weight of steel truss structures. In the method of genetic algorithm integer encoding of a discrete set of design variables and novel self-adaptive method based on fuzzy logic mechanism are applied for improving the quality and speed of optimization. Self-adaptive method is applied simultaneously in the selection of chromosomes and to control basic parameters of genetic algorithm. The algorithm proposed in the work was te(..)

DOI: 10.21307/acee-2016-053

Published Online: 27-August-2018

ANALYSIS OF SELECTED METHODS USED FOR THE REVERBERATION TIME ESTIMATION

Marcelina OLECHOWSKA/ Jan ŚLUSAREK

The paper presents a comparison of the reverberation time of two boxed rooms considered in two variants. The purpose of the paper is the comparison of the reverberation time measurements results with the results obtained of the available equations and simulation in the ODEON software. The differences between the applicable models and computer simulation and measurement were analyzed. The determined values of the residual analysis were used to develop the rules for granting points to formulas or (..)

DOI: 10.21307/acee-2016-054

Published Online: 27-August-2018

DISPLACEMENTS OF CABLE-STAYED BRIDGE MEASURED WITH THE USE OF TRADITIONAL AND MODERN TECHNIQUES

Marek SALAMAK/ Tomasz OWERKO/ Piotr ŁAZIŃSKI

The paper describes an experiment involving a comparison of a few selected techniques for measuring the displacements of points on the span and pylon of the large cable-stayed bridge. It presents the measuring equipment and the process of static and dynamic tests. The results obtained from several measuring methods including the interferometric radar were compared and summarised. The experiment showed that in the case of large bridges, like tested cable-stayed structure, the best method is non-c(..)

DOI: 10.21307/acee-2016-055

Published Online: 27-August-2018

CHEMICAL REDUCTION OF NITRATES IN THE WASTEWATER FROM 2-EHN PRODUCTION

Krzysztof BARBUSIŃSKI/ Maciej ŻOŁNIERCZYK

The objective of the research was to determine the efficiency of nitrate removal from wastewater from 2-ethylhexyl nitrate production using chemical reduction process. The average concentration of nitrate nitrogen in raw wastewater was about 5.2 g/dm3. The processes of chemical reduction were conducted both in batch and continuous flow reactor under strongly acid conditions using two reducers: steel swarf, as a source of iron, and technical grade urea. In the batch process the maximum degree of (..)

DOI: 10.21307/acee-2016-056

Published Online: 27-August-2018

USE OF THE ELECTRODIALYSIS PROCESS FOR FLUORIDE ION AND SALT REMOVAL FROM MULTI-CONSTITUENT AQUEOUS SOLUTIONS

Martyna GRZEGORZEK/ Katarzyna MAJEWSKA-NOWAK

Fluorine is a common chemical element. According to WHO guidelines, the F- ion content in drinking water cannot be higher than 1.5 mg/dm3. Excess of fluorine leads to many health problems: Alzheimer’s disease, neurological disorders or fluorosis (dental or skeletal). Fluoride can be removed from aqueous solutions by means of various methods (adsorption, precipitation, ion-exchange or membrane techniques). The aim of this paper was to evaluate the efficiency of electrodialysis in fluoride removal(..)

DOI: 10.21307/acee-2016-057

Published Online: 27-August-2018

DIFFUSION AND OSMOSIS IN POTASSIUM NITRATE SYNTHESIS BY ELECTRODIALYSIS METATHESIS

Hanna JAROSZEK/ Piotr DYDO

The experimental results of the chosen salts permeation with selected heterogeneous and homogenous membranes were analysed as a part of modelling of mass transport in electrodialysis metathesis process (ED-M) for synthesis of KNO3. Heterogeneous membranes swelled more in aqueous solutions and they had higher water uptake than homogeneous membranes. Heterogeneous membranes were also more permeable for both the solute and the solvent, which was attributed to higher solubility of salts in heterogen(..)

DOI: 10.21307/acee-2016-058

Published Online: 27-August-2018

PERFORMANCE ASSESSMENT OF AIR CONDITIONING INSTALLATION IN MULTIFUNCTIONAL SPORTS HALL USING CFD SIMULATIONS

Piotr KOPER

The purpose of the paper was testing of the air distribution system performance in the multifunctional hall. The numerical simulations of the airflows were made with the Ansys software. Three cases with two working modes of the installation were simulated: a large sport event with audience on the stalls, an exhibition with presentation boxes and an indoor ice rink. Direct results of the simulations and statistical data were analyzed. The results showed that for the ice rink and exhibition the sy(..)

DOI: 10.21307/acee-2016-059

Published Online: 27-August-2018

DISCOLORATION OF DYE WASTEWATER BY MODIFIED UV-FENTON PROCESS WITH SODIUM PERCARBONATE

Barbara PIECZYKOLAN/ Izabela PŁONKA/ Krzysztof BARBUSIŃSKI

A modified Fenton process using sodium percarbonate (SP), as an alternative source of H2O2, and UV radiation was investigated to discoloration of dye wastewater containing Acid Green 16 (concentration 100 mg/dm3). This acid dye is characterized by the harmful effect on aquatic organisms and it may cause adverse effects in the aquatic environment. The experiments were carried out in two systems, in which two lamps were used as a UV radiation source: low pressure (system I) and medium pressure (sy(..)

DOI: 10.21307/acee-2016-060

Published Online: 27-August-2018

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