Building Research Institute ITB

Warsaw, Poland

Building Research Institute ITB

Warsaw, Poland
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Wegrzynski W.,Building Research Institute ITB | Sulik P.,Main School of Fire Service
Bulletin of the Polish Academy of Sciences: Technical Sciences | Year: 2016

This paper presents modern application of fire safety engineering (FSE) in the shaping of civil engineering development. Presented scientific achievements of FSE become tools used in typical modern engineering workflow. Experience gained through successful implementations of these solutions is then further crafted into prescriptive laws that shape future fire safety. This diffusion of knowledge is limited by law requirements themselves, technical limitations, and yet unresolved challenges that are still being worked on by the researchers in this field. This paper aims to present the achievements of the FSE discipline that may and should be used by civil engineers and other participants of the building process. Explanations given for the choices of fire safety engineers allow a better understanding of their gravity by representatives of other engineering branches. That way it is possible to build empathy between different engineering disciplines, which may significantly improve both the building design process and safety of the buildings itself. The chosen framework of this paper is Appendix A to EU Construction Products Regulation defining basic goals for a fire safe building, with a possible application of FSE given for each of these goals. The current framework of performance-based FSE is presented in relation to the Polish legal system, with recommendations on how to improve both FSE and civil engineering in the future.

Czarnecki L.,Building Research Institute ITB | Van Gemert D.,Catholic University of Leuven
Bulletin of the Polish Academy of Sciences: Technical Sciences | Year: 2016

Science and engineering intermingle in the area of construction. Engineering works, often of great dimensions and design life cycle of many decades, have to be designed on a scientific basis since the safety of hundreds of users depends on their design. The task of scientific institutions is to define the construction performance within categories that correspond to the contemporary level of knowledge and technology. A construction appraiser who speaks out in a way that ensures unquestionable competence about the performance of elements and buildings (existing and under construction), should be convinced of the scientific basis of his opinions. A comparison of construction sections vs. basic requirements presents an archetype of the science of construction. A matrix of the science of construction reveals its multi-faceted nature; if related to time - the issue of durability has to be considered, and if related to the scale - the complexity. Defining the construction performance in terms of technical features is a constant search for a relationship between the material model and the usability model of a building. The construction industry uses a lot of "rules of thumb", more than any other sector of technology. In the era of computer-aided design, CAD, and building information modelling (BIM), those rules of thumb remain invaluable verification tools.

Brunarski L.,Building Research Institute ITB | Dohojda M.,University of Warsaw
Bulletin of the Polish Academy of Sciences: Technical Sciences | Year: 2016

The paper presents the problem of estimating in-situ compressive strength of concrete in a comprehensive way, taking into account the possibility of direct tests of cored specimens and indirect methods of non-destructive tests: rebound hammer tests and ultrasonic pulse velocity measurements. The paper approaches the discussed problem in an original, scientifically documented and exhaustive way, in particular in terms of application.

Wojciech W.,Building Research Institute ITB | Grzegorz K.,Building Research Institute ITB
Procedia Engineering | Year: 2017

This paper presents the basic methodologies used for Natural Smoke and Heat Ventilation Systems design under wind conditions, along with chosen numerical tools such as Computational Fluid Dynamics method and evacuation modelling as their supplement. First, results of comparison of different natural ventilation systems a series of transient CFD simulations are shown, illustrating potential problems in the system design with traditional approach. Later in the paper, authors focus on complete analysis of fire related phenomena in wind conditions, for a real historical shopping mall in Warsaw with vertical natural smoke ventilators. All of the steps of the analysis are described, together with some practical remarks. The reference analysis were carried in ANSYS Fluent CFD model, followed by evacuation study with building Exodus software. © 2017 The Authors.

Piasecki M.,Building Research Institute ITB
Proceedings: CESB 2010 Prague - Central Europe towards Sustainable Building 'From Theory to Practice' | Year: 2010

In the construction industry there is an increasing demand for harmonisation of environmental assessment methods and environmental performance declarations of construction products between the different EU members states. The most common method of assessing environmental performance of construction products is Environmental Product Declaration (EPD) based on a multi-impact categories Life Cycle Assessment (LCA) approach. LCA compiles and evaluates the inputs, outputs and potential environmental impact (LCI data) of a product or service thorough its life cycle according to the standards series ISO and EN. However, no commonly accepted guidance exists that complements the general framework given in the ISO 14040 series for ensuring consistent and reproducible life cycle data and robust assessments. The UEAtc network therefore recreated a WG in 2009 to conduct an LCA Exercise (LCA.EXE) which compares and identifies differences of various LCA methodologies used by UEAtc members in practice (real assessment) with the ultimate objective of developing a harmonized and simplified approach which could be accepted by all and that is consistent with the other European initiatives, in particular with the CEN 350 WG and The International Reference Life Cycle Data System. It is believed that a common approach based on prEN 15804 [1] is beneficial to manufacturers as the data resulting from the assessment will be mutually recognised and will not create any trading barrier. This article presents the findings from LCA.EXE workshops including the review of the results of LCA procedure, the review of the current methodologies and their differences (allocation, cut offs, generic data quality) used by the different UEAtc members [2]. WG developed also Life Cycle Inventory (LCI) data collection questionnaire which can be used for UEAtc members without restriction by the local legislation and the audit checklist template. This report also includes details of the EPD example that was created during the project.

Wall S.,Building Research Institute ITB
Proceedings: CESB 2010 Prague - Central Europe towards Sustainable Building 'From Theory to Practice' | Year: 2010

The paper presents an overview of the national regulation and national (or European) policies important for adoption of the sustainable development principles into Polish construction as well as general recommendations in the field of the implementation of strategic approach.

Nurzynski J.,Building Research Institute ITB
Energy Procedia | Year: 2015

An implementation of the sustainable development idea in the building sector stimulates search for materials and structures providing better heat insulation. Because the acoustical expectations and requirements also rise, a need for harmonization of both parameters increases. The article demonstrates differences between thermal and acoustical behavior of various building elements. The analysis of measurement results obtained for different structures demonstrates that finding a simple relationship between acoustical and thermal insulations is quite difficult. Tendencies observed in each case are rather opposite than parallel and materials or technical solutions that improve thermal resistance of a building partition often deteriorate its acoustic performance. © 2015 The Authors.

Koprowska H.M.,Building Research Institute ITB
Proceedings of Forum Acusticum | Year: 2014

It became a common practice to put commercial premises on the ground level of apartment buildings in urban settlements. Such commercial premises hold dancing clubs, fitness clubs, coffee shops and similar businesses which can be treated as sources of noise from music, conversations, social meetings and sport activities. These premises tend to be open in the evening and at night, disturbing local residents. Studies were undertaken to determine noise characteristics in commercial premises located in residential buildings. This paper presents typical entertainment noise spectra and their influence on acoustic insulation of interior partitions. The sound insulation index has been determined on the basis of laboratory tests and recorded sound spectra, in accordance with assessment procedure given in the draft ISO 16717-1 "Acoustics - Evaluation of sound insulation spectra by single-numbers - Part 1: Airborne sound insulation". Presented results may be helpful in designing and adapting the buildings in which commercial services are expected to be situated.

Kulaga K.,Building Research Institute ITB | Glowacz M.,Building Research Institute ITB
CESB 2016 - Central Europe Towards Sustainable Building 2016: Innovations for Sustainable Future | Year: 2016

Initiating and execution of construction projects in accordance with the principles of sustainable development imposes on participants of such investments additional responsibilities and is associated with having suitable qualifications. Purpose of this paper is to present how study programmes in field of civil engineering available at Polish top technical universities enable future engineers to gain at least basic knowledge and skills related to sustainable construction.

Adamus L.,Building Research Institute ITB
Procedia Engineering | Year: 2014

This paper presents the general scheme of the decision making support system which would allow to optimize building's environmental performance by supporting the environmentally friendly construction products selection process. Moreover, it identifies the elements of the proposed system that could be realized with currently available technologies and resources, and reveals the areas in which there is still a need for development. © 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.

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