Recent earthquakes indicate that the welding connections of steel moment-resisting frames (SMRFs) are so brittle. Then, huge damages are generated by cracking the weld between beam flange and column face. After 1994 ...

In this research, with the aim of reducing the costs of maintenance and use of construction machinery in the road construction sector, the methods of increasing the time intervals for changing the engine oil of these ...

Self-Compacting Concrete is a revolutionary concrete that has taken Europe, the America and Asia by storm following its development by Prof. Okamura's research team in the late 20th century. Since then, it has been ...

Grading is one of the most important characteristics of cement, which has a great impact on its performance in concrete. The most common methods of monitoring are determination of residues on sieves, Blaine and LD. In this ...

With the growth of the urban population and the development of cities, water distribution systems have become very important. Considering the complexity of these systems and the large scale of decision-making in analysis, ...