The paper defines choice of the optimal excavation method for ore deposits, which are characterized by general irregularity due to their origin, occurrence and different content of the usable minerals. In such complex conditions, the choice of the excavation method is defined according to: the natural characteristics of the deposit and according to...

By Slobodan Majstorović, Dražana Tošić, Duško Torbica

The effects of corruption in urban development and urban affairs management in several south Asian countries are examined through a series of specific, distinctive, and provocative cases for which the data is more readily available. The stories and themes provide a starting point for analyzing corruption as a symptom and factor of underdevelopment,...

By Yanan Fan, Mohammad Heydari, Mahdiye Saeidi, Kin Keung Lai, Jiahui Yang, Xinyu Cai, Ying Chen

As a result of the planned change of use, the imposed load on the existing reinforced concrete mezzanine slab will be significantly increased, wherefore a diagnostics and assessment of the current state of the structure has been carried out. The control calculation showed that the slab does not have sufficient bearing capacity for the increased loa...

By Ramona Petrov, Danica Goleš

Tool traveling and tool switching time constitute almost seventy percent (70%) of the total timeconsumed in drilling process. This fact that 70% of the total time is nonproductive and does not add any value to the job, grabs attention of the researchers and the industrialist for optimization. A literature on drilling process revealed that very few ...

By Mehmood Nasir, Muhammad Umer, Umer Asgher

Risk management throughout the project life cycle, from the initial phase beginning to the final phase, ended continuously and dynamically, is one of the basic requirements for the success of any project oriented organization. To effectively identify and manage risks at all stages of the project, careful selection must be made at all levels of the ...

By Asl Maryam Tabatabay, Asl Saeedeh Tabababay

The article considers the issues of increasing energy efficiency of 6-10 kV controlled capacitor plants of power supply systems of energy-intensive facilities due to more accurate compensation of reactive power. Analysis of the most common circuits for connecting batteries of static capacitors using semiconductor and electromechanical switches was ...

By Vladimir Babenko, Alexandr Danilov, Dmitrii Vasenin, Valery Krysanov

One of the most important influencing factors on the economy of mines with surface and underground exploitation is the correct choice of haulage technology of ore and waste.The paper analyzes the haulage of ore and waste in the Lead and Zinc Mine “Sase” Srebrenica and determines the optimal haulage length on the four excavation blocks for the appli...

By Duško Torbica, Vladimir Malbašić, Dražana Tošić, Jovan Popović

The task was set, due to the capabilities of modern software systems, to assess the effect of the increase in inelastic deformations under prolonged load action on the loss of stability of thin-walled dome coverings. The study of the dependences of the forms of the loss of stability of dome covering from creep concrete that will help further with o...

By Sergey Gridnev, Ekaterina Prokshits, Olga Sotnikova, Iana Zolotukhina

The main objective of this study was to review the methods used in the process of selecting the optimal route of the highway, the way in which these methods are used, highlighting the advantages and disadvantages of each method, and comparing the particular case make the favored one of the offered methods. In addition to mutual comparison criteria ...

By Zahid Bašić, Amir Džananović

The water supply system is a set of facilities related to a functional unit with the primary aim of ensuring sufficient quantities of quality water by the most economical way. Design and implementation of such systems requires extensive previous research and analysis aimed at finding the optimal solution of water supply system.This paper presents a...

By Nedim Suljić, Jasmin Hrnjadović