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

In this paper, the possibility of proportioning self-compacting concrete with high volume calcareous fly ash (W) for precast elements has been investigated. So far, numerous mix design methods for self-compacting concrete have been developed, so as the most appropriate method in this investigation, the UCL method was chosen. In the first phase, the...

By Adnan Mujkanović, Ilhan Bušatlić, Marina Jovanović, Dženana Bečirhodžić, Vahid Redžić

The article gives an overview of techniques for making different types of time plans. Their advantages and disadvantages due to the requirements for maintenance planning of technical systems were analyzed. Reference is made to the possibility of increasing the efficiency of maintenance by applying suitable planning techniques and optimization solut...

By Držislav Vidaković, Zorislav Kraus, Hrvoje Glavaš

Establishing rational system for waste tyre management in Bosnia and Herzegovina would represent significant contribution to environmental protection and usage of alternate energy sources. Waste tyres represent valuable raw material which can be recycled by mechanical and thermal processes. In European Union 80% of all produced waste tyres are used...

By Jovan Sredojević, Maja Krajišnik