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AGG+ 2013_01(1)

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Authors in this issue:

Aleksandar Borković, Aleksandra Nenadović, Brankica Milojević, Branko Božić, Dalibor Ilić, Danica Kojić, Dejana Jokić, Dijana Majstorović, Dijana Simonović, Dragan Milašinović, Dragana Stokić, Dragoljub Sekulović, Duška Milanović, Goran Ćirović, Gordana Broćeta, Ivan Živanović, Jelena Gučević, Ljubiša Preradović, Maja Dodig, Maja Ilić, Malina Cvoro, Manuel Desančić, Marina Latinović, Mato Uljarević, Milena Stavrić, Milenko Stanković, Milka Grabež, Milorad Došenović, Mirjana Malešev, Miroslav Malinović, Nataša Mrđa, Nataša Popović‐Miletić, Nevena Novaković, Ognjen Mijatović, Ognjen Šukalo, Radomir Cvijić, Radovan Beleslin, Sanja Tucikešić, Saša Čvoro, Saša Đorđević, Saša Kovačević, Saša Tatar, Siniša Delčev, Siniša Drobnjak, Slavko Vasiljević, Slobodan Slavnić, Snežana Mitrović, Tanja Trkulja, Tijana Vujičić, Vlastimir Radonjanin, Vukan Ogrizović, Žikica Tekić, Маја Milić Aleksić,

Published: 30.12.2013.

Contents

31.12.2013. Professional paper Civil Engineering
TEST LOADING ON ROOF STRUCTURE OF SPORTS HALL IN PALE

This paper treats the principle of static testing on braced girder of a sport hall built by the primary school "Srbija" in Pale. During testing simulated snow load was performed on the roof and was applied on a major steel braced (three‐band) roof grider, with span L = 23 m. The following measurements and observations were performed: measurement of...

By DEJANA JOKIĆ, MARINA LATINOVIĆ

31.12.2013. Professional paper Civil Engineering
CALCULATION OF GRAVEL PYLONS FOR IMPROVING CHARACTERISTICS OF SOIL, FOLLOWING THE RESULTS OF SPT TEST

Making gravel pylons is one of the methods of improving soil characteristics i.e. increasing soil density. It can easily be used to avoid expensive replacement of materials, especially when it comes to large‐ volume facilities. Gravel pylons reduce the risk of liquefaction, which is very important for seismic areas such as Banja Luka. It is necessa...

By DANICA KOJIĆ, MATO ULJAREVIĆ

31.12.2013. Professional paper Civil Engineering
COMPOSITE ROADWAY BRIDGES WITH PREFABRICATED DECK SLABS

Composite roadway bridges constructed using precast deck slabs are exposed in this paper. Prefabricated units are suitable for use in small and middle span bridges. Prefabricated systems are used for new construction and reconstruction and rehabilitation of existing bridges. It is presented two types of the precast deck slabs, partial–thickne...

By SAŠA KOVAČEVIĆ

31.12.2013. Review scientific paper Civil Engineering
BIFURCATION PROBLEM OF THIN PLATES WITH IMPLEMENTATION OF COMPUTER PROGRAM

Considering the complexity of the problem of stress – strain state and stability of structural systems, nonlinear theory is applied in this paper. The subject of the paper is to perform the stiffness matrix and geometric stiffness matrix, and to define the problem of bifurcation stability. Solving the problem of bifurcation stability presents...

By NATAŠA MRĐA, DIJANA MAJSTOROVIĆ, MILORAD DOŠENOVIĆ, DRAGAN MILAŠINOVIĆ

31.12.2013. Professional paper Civil Engineering
A REVIEW OF TECHNIQUES AND METHODS FOR PROJECT PLANNING AND REPLANNING IN CONSTRUCTION

Project scheduling methodology has been studied widely, and various tools have been developed for accurate scheduling. In this paper an analysis of the techniques and methods for project planning and re‐planning in construction is presented. A comparison was made among CPM and CCM methods, PERT and other probabilistic methods and necessary conditio...

By MILENKO STANKOVIĆ, GORAN ĆIROVIĆ, SNEŽANA MITROVIĆ, NATAŠA POPOVIĆ‐MILETIĆ

31.12.2013. Review scientific paper Civil Engineering
MATERIAL NONLINEAR ANALYSIS OF PLANE TRUSS STRUCTURES

An approach to elasto‐plastic analysis of engineering structures is presented in this study. Simple plane truss finite element with two nodes is used. This element is ideally suited as a basis for studying plasticity theory since it implies one‐dimensional state of stress and strain. Material model of linear isotropic hardening is applied. Algorith...

By ALEKSANDAR BORKOVIĆ, DRAGAN MILAŠINOVIĆ, SLOBODAN SLAVNIĆ

31.12.2013. Review scientific paper Civil Engineering
PRODUCTION TECHNOLOGIES OF RECYCLED AGGREGATE USING WASTE CONCRETE

Contemporary trends in the building development, which imply the preservation of the natural environment in terms of the proper disposal of natural resources, impose the exploited, recycled materials as an opportunity for sustainable solutions. This paper studies the technological processes and material resources of the production processes of aggr...

By GORDANA BROĆETA, MIRJANA MALEŠEV, VLASTIMIR RADONJANIN

31.12.2013. Review scientific paper Civil Engineering
ELASTIC‐PLASTIC BUCKLING AND OTHER EFFECTS OF MEMBRANE FORCES IN THIN‐WALLED STRUCTURES

A non‐linear elastic‐plastic Generalised Beam Theory (GBT) is formulated and used to investigate the buckling behaviour of aluminium and stainless steel thin‐walled members. The analysis consists of calculation cross‐section (local) and member (global) deformations and has been shown to be a very efficient tool for analyzing local and global stabil...

By DIJANA MAJSTOROVIĆ, MILORAD DOŠENOVIĆ, NATAŠA MRĐA, DRAGAN MILAŠINOVIĆ

31.12.2013. Original scientific paper Civil Engineering
ON THE INFLUENCE OF MODE INTERACTION ON THE BUCKLING EIGENSHAPES OF THIN‐WALLED STRUCTURES

Some considerations on influence of mode interaction on eigenshapes of the thin‐walled structures are given. Classic theory is limited on structures with non‐deformable cross section, so that for general analysis it was necessary to apply semi‐analytical finite strip method. Strip displacement field is approximated with sum of products of trigonome...

By RADOMIR CVIJIĆ, ALEKSANDAR BORKOVIĆ, SAŠA TATAR

31.12.2013. Professional paper Civil Engineering
DEVELOPMENT OF 2‐AXIS HARMONIC SHAKING TABLE

Development of device for harmonic excitation of engineering structures is presented. Device is developed in order to introduce experimental dynamic analysis of structures to students and engineers. Basic drive mechanisms of device are electric motors whose rotational motion is transferred into translational. This enables possibility for excitement...

By OGNJEN MIJATOVIĆ, MANUEL DESANČIĆ, ALEKSANDAR BORKOVIĆ

31.12.2013. Professional paper Civil Engineering
REGULATIONS IN THE FIELD OF RECYCLED AGGREGATE

In the last few years there has been a significant progress in the adoption of technical regulations regarding recycled aggregate, which affects the facilitation and stimulation of its practical application. However, the new European regulations are still incomplete, and beside that, it is evident there is no harmonization between national standard...

By VLASTIMIR RADONJANIN, MIRJANA MALEŠEV, GORDANA BROĆETA, MILKA GRABEŽ

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