The heating of residential and commercial premises in urban areas during winter periods is mostly performed by use of the heat energy which is distributed through central or city heating systems. Water, steam and gas are used as the basic working media in these heating systems. The thermal energy that is used in the city of Kakanj and its surroundi...

By Almir Kahriman, Nedim Hodžić, Elma Ekinović

During the second half of the last century in Europe, district heating systems (DHS) have been built intensively to supply cities and settlements with heat energy.Taking into account that energy prices at that time were low, there was an economic justification for the construction of expensive infrastructural distribution systems. After the first o...

By Maja Mrkić Bosančić, Petar Gvero, Jusuf Ibrulj, Azrudin Husika, Srđan Vasković

The paper describes analyses solution of cut in the highway. There have been used three methods of making construction: reinforced wall with HDPE geogrids, soil nailing and retaining wall 20 meters long. AASHTO standards have been used for checking stability of reinforced wall and soil nailing, while retaining wall is based on EN 1997-I standards. ...

By Nejra Turčinović

The process of composting of biowaste, while ensuring the necessary conditions and depending on the composition of composted material can be carried out in natural conditions. If we want to influence the speed and stability of the process of degradation of organic matter from biowaste, it is necessary that one or more influencing factors control th...

By Muvedet Šišić, Farzet Bikić

Today's modern vehicles for mass transport of passengers, of which the most common representatives are the buses must comply with the requirements of comfort, wide usage, and in particular the measures of safe driving. In order to meet large requirements along the "life of the vehicle," or even after possible accidents, it is necessary to achieve g...

By Mesud Ajanović, Zdravko Nunić, Fuad Klisura, Snežana Petković

Use of alternative fuels as energy sources in cement industry is practice which is proven as very effective and which is used in cement factories in Europe and world, more and more. One of the biggest advantages of this concept is reducing of consumption of non-renewable, fossil fuels. On the other hand, improvement of environmental protection is a...

By Almir Bajtarević, Amna Bajtarević

The process as activity or set of activities uses/use resources in order to transform input parameters into the output. Each organization has a number of more or less related processes. The quality of realization of related processes with the rational use of allnecessary resources is very important for the quality of the final business result. Ther...

By Senada Pobrić, Smail Klarić

This paper studies the differential equation of the second order in the segment [0, π] with varying delays. Construct a characteristic function of the operator generated by this equation and the boundary conditions at the ends of space, studying certain generalization of these operators, which naturally imposed....

By Ismet Kalčo

From the point of quality production management, the flexible group production of furniture has its specifications that are the subject of this paper work. The organization of production and the quality control has to start from the clear defining of customers’ requests. Within the condition  of this production concept, the customers&rsq...

By Sanin Hasanić, Safet Brdarević, Murćo Obučina

Gear failures have a major impact on the reliability of many machines andthe importance of monitoring and fault diagnostic of gears is very large. Bymonitoring the condition gets an insight into the state and can take themaintenance activities that prevent greater damage on machines and plants.This paper analyzes the possible causes of gear failure...

By Amir Halep