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

In many countries, there is concern that enrolment in science and technology professions is decreasing and that more students need to be directed and interested in a career in science and technology. The reason why students do not choose science and technology studies is usually not about their abilities, but it is more related to student perceptio...

By Safet Brdarević, Dino Arnaut

The paper describes the microstructural examination of a joint of the base material, austenitic stainless steel with intermetallic strengthening classified according to its chemical composition and properties according to standard SAE AMS 5528 and metallic coating marked as NiCrAlY 4516 according to manufacturer catalog, Sulzer Metco. Coating is ap...

By Milenko Rimac, Mirsada Oruč, Strain Posavljak

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

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

Commonly, maintenance is perceived as “fixing broken things”. As such, it is associated with failure consequences and unplanned expenses, both of which negatively impact business plans or customer satisfaction. However, as failures are an inevitability of the life of any technological system, it would be worthwhile to start looking at m...

By Jezdimir Knezevic

Robot manipulators are usually used in many industrial apllications where a number of practical tasks should be executed. The very important part of that execution is interaction between robot and environment. Control of the interaction is crucial for successful execution of industrial processes. Typical applications include deburring, machining, a...

By Sedin Murtić, Edin Begović, Malik Čabaravdić

Repairing technologies for pipelines still require attention due to large extent of distribution network containing different construction parts including elbows, branch connections and others. Repairing of the defects in the branch connection area without interruption of the gas supply is very difficult. Such defects mostly require replacing of th...

By Marek Patek, Augustin Sladek, Miloš Mičian

As the result of combustion process in boilers of the Thermal Power Plant „Kakanj“, flue gases develop, which are undesirable for the environment, for people living in the plant neighborhood and for flora and fauna. In order to perform environmental protection a lot of efforts and organizational activities should be put in action and si...

By Elma Ekinović, Nedim Hodžić, Almir Kahriman