The global pandemic caused by the rapid spread of the COVID-19 virus has caused, in additionto the loss of human lives, other consequences for both individuals and countries. It brought new patternsof behavior such as the application of social and physical distancing and intensified the use of technologyfor communication, surveillance, and monitori...

By Muhamed Ćosić, Hadžib Salkić, Nešad Krnjić

This paper presents the bacics of building road tunnels with special reference to the construction of the Zenica tunnel on the highway of Corridor Vc. Tunnel construction technology includes the following three basic groups of underground works: tunnel excavation, substructure works (primary support) and construction of secondary tunnel lining. The...

By Ermedin Halilbegović, Sabahudin Petak, Tarik Zahirović, Adis Šabotić

By doing a preventive control of vehicles correctness we determined that a significant number of vehicles has faulty shock absorbers, which refers to reduced damping efficiency and asymmetry of the front and rear axle of the vehicle. Based on these finds and in dependency of shock absorbers’ condition an examination of vehicles’ breakin...

By Nikola Manojlović, Srdžan Marinković, Ajla Haračić

Pedestrians are the most vulnerable group of participants in traffic, who, in collision with motor vehicles, most often suffer severe bodily injuries, and sometimes even fatal. The contemporary automobile industry makes great efforts to develop active and passive protection systems for all participants in traffic, including pedestrians. Protection ...

By Danislav Drasković

By speed control we mean two types of activities. First, there are activities of road controllersmeaning determining, tracking and changing speed limits on the roads, road equipment that is there tosignal the speed limit to the drivers, but also the technical and other means of control and slowing downthe trafic. The other segment of activities use...

By Tihomir Đurić, Neven Nikolić, Milan Šuman

In this paper, we present a new concept of offering services in public administration to its users, based on new technological solutions. We suggest using a new concept of intelligent information according to which the public administration can offer the user a service at the right time. The service user can now get the service by going to the publ...

By Mladen Radivojević, Dina Vrebac, Nehad Gaši

Technology is advancing more and more every day and the introduction of new devices andapplications will stimulate higher expectations, and then further demand for even more creativetechnological solutions and services. It is important to emphasize that the technology is gainingmomentum and many more new solutions, products and services are expecte...

By Ela Martiničević, Krešimir Buntak, Ivana Martinčević

The election system in a lot of countries in the world have not been changed since thebeginning od XIX century, paper is still being used, all the votes have to be counted manually, votingtakes places on specific and predetermined locations. There is a growing number of those who areparticipating in the election process do not trust its efficiency....

By Muharem Kozić, Davor Radivojević

For achieving higher speeds for composite rocket fuels, it is important to use 1,3-diferocenyl1-butene as a catalyst. The laboratory synthesis of this catalyst is a very complex and demanding process performed in anhydrated solvents. Because of this, such synthesis can hardly adapt to work with larger quantities of chemicals. The paper presents sig...

By Suad Obradović, Krsto Mijanović

Wastewater treatment is a procedure that reduces the present pollution with which the treated wastewater discharged into the recipient does not pose a danger to the environment. The paper discusses the mechanical procedures of wastewater treatment with special emphasis on sedimentation tanks. Sedimentation as a wastewater treatment technology is th...

By Slavko Đurić, Zdravko Božičković, Milan Milotić, Asib Alihodžić