ACADEMIC STAFF EVALUATION – OBJECTIVE MODEL
Academic staff evaluation poses a unique challenge in higher education system in Bosnia and Herzegovina. The established practice of selfrepresenting the absolute authority in public higher education institutions attenuated by the emergence of private higher education institutions where the employers sought for the results, expressed their own, as ...
By Enes Dedić
MAINTENANCE AND EFFECT OF MACHINES WORKED ON CONSTRUCTION SITE
The paper explained meaning and importance of the impact of construction machinery due to the specifics of their use. Describes how organization of maintenance activities of machines on construction sites and points to the impact this has on their performance. Accent was placed on possibilities of improving existing practice of building contractors...
STRESS STATE IN ROTARY KILN SUPPORT ROLLERS
In the paper stress analysis of rotary kiln support rollers is conducted. Stress state in the support rollers is caused by temperature gradient, shrinkfit connection between shaft and roller and by the contact with kiln ring. The stress analysis is done analytically and numerically, and the results obtained are compared....
By Alma Žiga, Josip Kačmarčik
CALCULATION OF PARAMETERS FOR OVERHEAD MONORAIL ON THE ROUTE IN HALJINIĆI PIT, ZD RMU "KAKANJ" D.O.O. KAKANJ
Haulage of material is one of the basic operational phases of the production process in Haljinići Pit. The monitoring and problem-solving in thisvsegment are of crucial significance for achievement of all planned quantities.Production activities, manner of exploitation, type of equipment used and a number of other factors involved in this activity ...
By Kasim Bajramović, Jovan Sredojević
INCINERATION IN REGION THAT BELONGS TO THE REGIONAL LANDFILL MOŠĆANICA – A CHANCE?
Regional incineration process by regional landfill site Mošćanica is a chance for municipality of Zenica and municipalities nearby. The obligations of the municipality towards EU regulations could be fulfilled by building one incinerator plant. Current waste management strategies and (role beaks) adopted for dumping waste by Bosnia and Herze...
By Semir Selimović
FRACTURE MODE-MIXITY IN SYMETRICAL BEAM SPECIMENS: FPZ LENGTH INFLUENCE
Mixed-mode fracture in delamination test utilizing double cantilever specimens loaded with bending moments is investigated in the paper. FEM simulations are performed using cohesive zone model where different configurations of test loadings and two critical fracture energy values, ie. two fracture process zone lengths, are considered. Fracture ener...
By Josip Kačmarčik, Pejo Konjatić, Aleksandar Karač
PROPOSAL OF MANAGEMENT PET BOTTLE WASTE IN THE ZONE REGIONAL LANDFILL “MOŠĆANICA
Packaging of poly(ethylene) terephthalate (PET bottles) can not be avoided in this day and age, because it is used in food packaging and consumer goods. After utilization of the product's packaging becomes waste that pollutes the environment, occupies a large volume space in landfills and has a very long period degradation. Due to the that the PET ...
By Jovan Sredojević, Amina Ahmić
MAINTENANCE OF SYSTEM FOR ABRASIVE WATERJET CUTTING
Abrasive waterjet cutting process is accepted effective technology for cutting various materials. Cutting process is based on kinetic energy of waterjet and abrasive particles which are used for material removal in the cutting zone. Erosional contact between abrasive particles and cutting components leads to damage in abrasive waterjet cutting syst...
By Safet Brdarević, Ajdin Jeleč
DIAGNOSTIC OF WIND POWERS
Each system requires regular maintenance including wind power. Modern maintenance of wind powers is based in the diagnosis of the state of the wind power, which is realized through measuring parameters of wind power system and data processing by the established methods. This paper presents the modern methods used to control the state of the wind fa...
By Amir Halep, Ranko Antunović
AUSTEMPERED DUCTILE IRON
Austempered Ductile Iron is a class of ductile iron subjected to a specific heat treatment process (austenitization and austempering). The heat treatment gives to that type of Ductile Iron an excellent mechanical properties and an especially good strength-to-weight ratio. However, designers in most cases are unfamiliar with this material that can c...
By Hasan Avdušinović, Šehzudin Dervišević, Almaida Gigović-Gekić