Research Article
Investigation the Effect of Using Buckling Restrained Braces with Rectangular Cross Section in Rehabilitation of Concrete Moment Frames

Kourosh Mehdizadeh; Seyede Vahide Hashemi; Abbasali Sadeghi; Nastran Abdollahi

Volume 2, Issue 3 , June 2020, Pages 11-33

Abstract
  Reinforcement of weak concrete structures against lateral loads is essential. Rehabilitation of existing structures is one of the important issues of the day in the construction industry in Iran and even in other countries. Due to the fact that many structures are almost impossible to use due to reasons, ...  Read More

Research Article
The Effect of Material and Specifications of Link Beam Variations on the Cyclic Performance of Eccentric Buckling Restrained Brace

Vahid Saberi; Hamid Saberi; Erfan Alipour; Abbasali Sadeghi

Volume 2, Issue 3 , June 2020, Pages 39-50

Abstract
  Due to the seismic dangers in the buildings, it is necessary that engineers consider newer and more suitable ways to resist against the seismic forces regularly. The Buckling Restrained Brace (BRB) are almost the new systems against the seismic forces that generally have more ductility in comparison ...  Read More

Research Article
Use of Global Positioning Systems (Tracker) and Improve Productivity in Domestic Construction Machinery Management

Sewak Tahmassian

Volume 2, Issue 3 , June 2020, Pages 51-58

Abstract
  In construction projects, especially large projects, machinery has a significant share. GPS TRACKER is a very valuable tool for construction companies to help them control expensive machinery, from mobile towers and cranes to excavation equipment and heavy trucks. Tracking large assets such as expensive ...  Read More

Research Article
Ergonomy and its effect on human resources management

Arefeh jafari

Volume 2, Issue 3 , June 2020, Pages 59-67

Abstract
  There are many factors which may cause victory in an organization while different concept of victorious might exist  depend on the organization. One of the impressive one is efficiency which is not  related to organization type and each management unit must consider methods to increase efficiency. ...  Read More

Research Article
Effect of normal distribution and least squares method on error theory

Mohammad Reza Majidi

Volume 2, Issue 3 , June 2020, Pages 59-69

Abstract
  In the Least-Square Fitting method, instead of using the absolute magnitude of the error, we consider its square. Therefore, minimizing the total number of error squares leads to the magnification, which considers smaller errors. The most common way to determine the parameters that determine the curve ...  Read More

Research Article
Heart's role in management

Kamran Kianpor

Volume 2, Issue 3 , June 2020, Pages 80-86

Abstract
  With industrial societies evolving, and the increasing growth of industries, the importance of management and leadership has become increasingly apparent in such a way that the aim of many management theories such as motivation, communication, and leadership was to draw our attention to the perception ...  Read More