IMPLICATION OF INFILTRATION ON BUILDING ENERGY DEMAND - A REVIEW OF VERIFICATION METHODS

Infiltration has a considerable impact on both, energy efficiency and occupant comfort in buildings. Due to the complexity of the analysis of this phenomenon in buildings, the verification methods are very important for its diagnostics and evaluation. In this paper, the matter of infiltration in buildings is being considered referring to both, calculation models and methods, as well as through current standards and regulations in the EU and Serbia. Different valorization methods are presented and analyzed regarding their characteristics, applicability, and complexity. Finally, preliminary infiltration measurements with a pressurization test, conducted on selected buildings of Belgrade housing stock are presented and compared with values defined by the current regulations in Serbia. Results pointed out current problems and the need for improvements regarding the treatment of infiltration in local regulations and practice.

EVALUATION AND TAILORING OF GLOBAL GEOPOTENTIAL MODELS IN THE DETERMINATION OF GRAVITY FIELD IN SERBIA

Within this paper, we evaluated the quality of three Global Geopotential Models entitled: EGM96,EGM2008, and GOCO05c. The models were evaluated by using 1001 terrestrial discrete values ofheight anomalies determined by Global Navigation Satellite Systems and normal heights, which weconsidered to be true values within this research. In addition to the quality evaluation, we tailoredthe models by using more than 80000 free air anomalies. The results obtained from the evaluationand tailoring indicate that by using the GOCO05c it is possible to determine a set of anomaly heightsacross Serbia, which are in agreement with terrestrial values with an average value of -7 cm, thestandard deviation of ±9 cm and with the range of 44 cm.

EXPERIMENTAL ANALYSIS OF STRUCTURAL DAMPING FOR BOLTED AND WELDED SPLICE CONNECTION JOINT FOR IPE-80 STEEL PROFILE

Progress and demands of all types of constructions imposed the need for the development of modernstructures that are lightweight, but at the same time have high damping capacity and stiffness. Theconsequences of these requirements are increased dynamic problems related to vibrations anddissipative processes in structure connection joints. Structural joints are the main reason for thesignificant reduction of the level of energy dissipation and source of structural damping so thereforethey have become a subject of interest to many researchers. The aim of this paper is to present someproblems regarding research of structural damping and the importance of study Contact Mechanicsto better understand the problem of structural damping.

HELMERT TRANSFORMATION ON THE CASE OF GAUSS-KRÜGER AND UTM

Globally, maps are our primary source of comprehensive information about the shape, size and arrangement of Earth features. Maps are the only way we can get a unique and comprehensive view of the world. Unfortunately, globally, all maps are somehow deformed, affecting our perception and understanding of the various geometrical properties of the world. Cartographic projection is a way of mapping points from an ellipsoid to a plane and as such is the basis for making a mathematical map basis. The two projections most used in our geospatial are the Gauss-Krüger projection and the UTM (Universal Transverse Mercator) projection. The paper deals with Helmert's transformation of these two projections.

ACCELEROMETRIC NETWORK AND ELASTIC RESPONSE SPECTRUM FOR GROUND TYPE A IN THE REPUBLIC OF SRPSKA

This paper presents the content of an analysis of available relevant accelerometric data, which aimsat identifying a group of nationally determined parameters in the field of seismological activity thatwas used in the preparation phase of the B&H national annex for Eurocode 8. Seismological dataanalysis related to parameters that are in Eurocode 8 open to national choice, refer to the: soilclassification, horizontal elastic response spectrum and reference ground acceleration, respectivelyseismic hazard map.

GEOTECHNICAL PROBLEMATICS OF DIRECTED RESEARCH IN ROCK MASSES

During the construction of Civil Engineering structures in rock masses, different and specificproblems may occur. Engineering Geological research has a significant role in their solving. Withthis kind of research relevant data can be obtained with purpose to get detailed insight in engineering- geological rock mass characteristics and its geological structure. Absence or insufficient scope andquality of the mentioned research may result in occurrence of the problems during design andperformance of Civil Engineering structures, which in this work has been shown on the example ofroad construction in the cut in the rock mass.

CONCEPT OF SOLVING THE STANDING TRAFFIC FOR THE CENTRAL CITY ZONE OF BANJA LUKA

Needs of standing traffic significantly burden the infrastructure and functioning of urbansettlements. The problem is particularly acute in non-developed and developing countries whosecities are experiencing a virtually uncontrolled growth. Control of standing traffic is also an elementof sustainable urban mobility. The paper presents the authors’ idea to meet the needs of standingtraffic through a disincentive of passenger cars in central city zone and construction of high capacityparking garages around the central zone to provide parking space as a service for the area free ofmotorized traffic.

APPLICATION OF PBL MODEL ON STUDY PROGRAM OF GEODESY AT THE FACULTY OF ARCHITECTURE, CIVIL ENGINEERING AND GEODESY AT THE UNIVERSITY OF BANJALUKA

The subject of this paper is the application of the PBL model in the teaching process of the first cycle of studies at the Faculty of Architecture, Civil Engineering and Geodesy. The meaning of the term PBL model and its basic characteristics as well as its historical development are described. The application of PBL to SP Geodesy and evaluation of its implementation on the example of a current subject are presented.

CAN SPATIAL ABILITY BE TRAINED – THE ANALYSIS OF PREPARATORY COURSE FOR ENROLMENT AT THE FACULTY OF ARCHITECTURE

Spatial abilities are becoming an increasingly important predictor of success, especially in professions that balance analytical and creative thinking, such as architecture, especially with the increasing presence of digital media and technology, and the importance of the spatial presentation of one’s ideas. There are differing opinions as to whether these abilities can be improved, or whether a spatial thinking strategy can be developed. At the Faculty of Architecture and Geodesy in Banja Luka (FACEG), spatial abilities have long been part of the entrance exam, and this paper will address the analysis of preparatory teaching at FACEG in this area and the success of the entrance exam for two groups of candidates - those who attended preparatory classes and those who prepared independently.

HARMONISATION MODEL OF ADMINISTRATIVE UNITS OF THE REPUBLIC OF SRPSKA ACCORDING TO INSPIRE DIRECTIVE

The INSPIRE Directive establishes a framework for the creation of a spatial data infrastructure(SDI), which will enable the exchange of spatial information between public sector organizationsand better access to spatial information in general across the Europe. This paper describes theharmonization of the INSPIRE theme Administrative Units. Data harmonization was carried outwithin the framework of the IMPULS project implemented by the Republic Geodetic and PropertyAdministration of Republika Srpska with the support of the Swedish Agency for Cadastre andCartography. Implementation involves the development of a GML scheme with mapping of existingdata in accordance with that structure, development and testing of INSPIRE services, andpreparation of metadata for data and services. The model was verified by the Joint Research Centerin Ispra, established by the European Commission (Joint Research Center).