جستجوی مقالات مرتبط با کلیدواژه "construction industry" در نشریات گروه "عمران"

Several studies have been conducted in the field of construction and project management to define criteria for assessing the success of construction projects. One of the most important applications of these studies is evaluating the performance of construction projects. These criteria are vital, due to the constraints on resources and the vital need for construction worldwide. Considering the importance of the subject, especially in terms of evaluating the success of the project, this paper reviewed and evaluated the most prominent studies and novel approaches, including 45 papers with an average of 528 citations. In total, four approaches were identified, introduced, and evaluated. The achievements of this study can provide a good perspective for a better understanding of the concept of success for construction industry professionals, including leaders and project managers of construction projects, and pave the way for researchers and scholars in the realm of construction industry and project management.

The construction industry is one of the key industries of every country that has a great impact on the economy because a significant percentage of the country budget is annually allocated to the construction budget. With the arrival of the fourth industrial revolution, the scope of applying technologies in the field of construction has been expanded. The construction industry has experienced a tremendous transformation with the approach of digitization and the involvement of new technologies, and this evolution has a significant impact on meeting the needs and processes in the construction industry. Among the technologies that have provided a platform for the digitization of the construction industry is construction information modeling, a process in which the management and production of construction project information is carried out in a coherent and integrated manner, and it causes group cooperation, effective coordination of project elements and more detailed designs. The tunnel is one of the most widely used projects in the construction industry that is used for various purposes such as transportation, mineral extraction, directing the flow of underground and surface water, installation of facilities, etc. In this paper, analysis of the benefits of construction information modeling in tunnel projects according to the research conducted from 2010 to 2022 in a case study is presented following implementation of construction information modeling in the tunnel of Namaz Square metro station in Islamshahr located in Tehran Province.

In recent years, as projects have become more complex, their problems have become bigger, so achieving success in the project has become the most important concern of project managers. Since success depends on many factors and one of the most important factors is the project's human resources. In this study, we examine the development of human resources. On the other hand, considering that the construction industry is very wide, for more accuracy, the focus of this study is only on the building field. Therefore, the purpose of this article is to evaluate the importance and strategy of human resource development in construction companies in Tehran. be Therefore, we have reviewed relevant relevant articles to find out the importance of human resource development in the construction industry, and then 35 contracting companies in Tehran, which are active in the field of building construction, have been examined in the field of human resource development. The findings show that most of the studied contracting companies accept human resources as an important resource, but unfortunately, they do not have a comprehensive and executive plan for the development and training of their human resources

Leadership inefficiency was detected as one of the most important factors for project failure. On the other hand, despite the development of various theoretical concepts and theories in the field of leadership, many questions remain unresolved in this category. This has attracted the attention of many researchers and scholars in recent decades. In this way, a review of studies conducted in the field of leadership shows that all studies in this field, can be divided into six clusters. It can be seen that a total of two types of research are exists: the first type is understanding the term leadership, the nature of leadership and its relationship with followers, competencies, models and theories of leadership. The second type has also analyzed the effect of leadership role in the pillars of the project. Analysis of these studies provides a first step towards receiving new ideas and important research gaps in the field of leadership studies in construction projects. In this article, after library studies in the field of construction industry (challenges and problems), project leadership and management and general studies in the field of construction project leadership, two new approaches are identified and introduced. These approaches, which include the "horizontal leadership and balanced leadership" and "effective leadership", are analyzed in this article. The studies conducted in this article can provide new ideas for research to those researchers who beside quantitative research, are interested in qualitative research in the field of human resource management in construction projects.

Knowledge Management in project contexts, especially in construction projects, means learning from successful experiences in projects and organizations to prevent repetitive errors and improve project execution more optimally. These actions lead to reducing the number of mistakes, levels of stress, and challenges, ultimately resulting in project execution aligned with valid principles and standards. These measures lead to the satisfaction of managers in client organizations, consultants, contractors, and even beneficiaries. Implementing a knowledge management maturity model in an organization helps assess its progress in formal and comprehensive knowledge management implementation. Maturity modelling is used as a formal method to describe the knowledge management development process. This research aims to evaluate the level of knowledge management maturity in the construction company "Kayson," which is active in Iran's water industry. The objective of this research is to identify the existing gaps in knowledge management implementation and strive to improve the knowledge management process in the construction sector, with the aim of enhancing competitive advantage and efficiency in this industry. The research was conducted in a descriptive survey method, and the statistical population included all managers and senior experts of the Kayson company in the year 1401 (Iranian calendar). The evaluation of knowledge management was performed using the Asian Productivity Organization (APO) Knowledge Management Maturity Model. The results of the evaluation indicate that the Kayson company is at the initial level of the APO Knowledge Management Maturity Model. The highest scores are related to the components of knowledge processes, knowledge management leadership, and human resources. However, other components have scores lower than the average and require more attention from Kayson company managers. Therefore, based on the obtained results, Kayson needs to improve its knowledge management performance in certain areas, and it is recommended to make more efforts to enhance learning and innovation components.

The purpose of this research is to analyze the role of integrated components of sustainability in the construction industry in the construction projects of Imam Khomeini Port. For this purpose, a main hypothesis and three sub-hypotheses were developed. From the point of view of the purpose of this research, it is a development-oriented applied research, and from the point of view of methodology, it is descriptive-analytical (quantitative). The statistical population of this research includes specialists and construction experts of the Imam Khomeini Port Engineering System Organization, and the sample size was selected according to Kersey and Morgan's table by simple random sampling method of 120 people. The method of collecting information is library and field methods. Data analysis was done in two parts, descriptive statistics and inferential statistics using Pearson correlation coefficient, regression analysis and Friedman test by spss software. The findings indicate the confirmation of research hypotheses at a significance level of less than 0.05. Based on this, indicators of economic sustainability, social sustainability and environmental sustainability affect the success of construction projects.

Research in building information modeling and sustainability studies has been increasing recently. However, few studies have been conducted to examine the integration of building information modeling technologies to strengthen the implementation of sustainability methods in the construction industry. Building information modeling technology is one of these methods because it creates vital databases for the building and its components instead of generating and displaying rich information IDs. As a result, executive management's time and costs are significantly reduced because of the ability to make optimal decisions regarding the implementation of projects at each stage. It has provided the construction. Building information modeling technology as a powerful manager tool improves project success criteria. This study aims to identify the dimensions and components affecting the sustainable development of the construction industry based on building information modeling. The method used in this research is Grounded Theory based on the study's exploratory nature. The primary basis of data collection is in-depth interviews with experts, professors, and construction project specialists of Tehran Municipality, District 3. A total of 15 interviews were conducted. After collecting the information, the codes related to the written interviews were analyzed. After performing three steps of open coding, axial coding, and selective coding, the final research model was presented. The codes obtained from the interviews were categorized into 55 concepts and 14 main categories. According to the results of this study, building information modeling and optimal building design are influenced by a range of environmental and causal factors. An integral part of the sustainable development of the construction industry is the integration of contractual models and sustainability development. The use of natural resources, the product, and the training of organizational and macro management and technology are included.

This research effort aims at investigating theoretical foundations of developing a competence baseline for project managers in Iran using the Grounded Theory approach. Based on a series of interviews, the competencies affecting the success of project were identified. Throughout these interviews, 551 codes were identified and open, axial, and selective coding was practiced to analyze the coded data, ending up codifying the causal conditions, contextual factors, strategies, and consequences. Considering the causal conditions, impacts of micro environmental factors and special conditions of the country on the project management were crystal clear. These causal conditions were observed to lead to a highly fluctuating environment, non-standard projects, poorly predictable behaviors, and regulations with person- or case-specific interpretations. In such a context where behavioral competences are affected by environmental conditions, one may refer, as a fundamental approach and a major part of the paradigm change to the second-order project management, to the greater importance of behavioral and environmental competencies rather than technical issues. At the same time, one may refer to the paradigm change from technical competencies to agility-based competencies that have roots in the PM-2 as an approach that worth considering. Consequences of these strategies include the necessity of ruling out the conventional structures of linear programming and rather paying attention to key competencies of project managers such as holism, persistent troubleshooting, instantaneous management, creativity and problem-solving capability, high mental preparedness, flexibility, commitment, and result-orientation, which are outcomes of the paradigm change to the PM-2.

The construction industry is known to be one of the most dangerous industries in terms of work-related fatalities, injury rates, and workers' compensation. Therefore, safety risk assessment is a key and fundamental step that must be done in the management of large construction projects. Small and medium-sized construction companies that usually do small projects do not have a great desire to manage risk in this kind of projects, and they also do not have the necessary knowledge and information in this regard. One of the reasons for this reluctance can be seen in the fact that companies are forced to provide lower amounts for the project due to the intense competitive environment; Therefore, they cannot spend more on risk management. This descriptive-analytical research has been written in order to identify the risk management process in the construction of small projects. In this research, using previous research studies and gathering and important activities to identify risks and assess safety risks in the construction of projects in this research were evaluated and analyzed.

Nowadays, start-ups are one of the most effective factors in the economic development of developed societies. On the other hand, the existence of some shortcomings has made the formation and promotion of these businesses face great challenges. Therefore, the present study has been done by analyzing the theoretical foundations of the stages of formation of startups, identifying various environmental factors in the development of startup start-up businesses in the field of construction and exploring the application of project management science in this field. The main purpose of this study is to explain the conceptual model of startup implementation using a project management approach based on the PMBOK standard with emphasis on the Iranian construction industry. The present study is applied in terms of purpose and descriptive-analytical in nature and method, which has been done using qualitative analysis method and strategy of data foundation theory. In this regard, twenty experts in the field of construction startups were purposefully selected. After studying the theoretical foundations and conducting semi-structured interviews, the data were analyzed in three stages of open, axial and selective coding. After reviewing their validity and reliability, the final model was explained and finally approved by ten experts in the field of construction. Research findings show that startup formation can be considered a project whose primary sources and data, initial idea and output, innovative product or new service and startup development. In fact, the proposed conceptual model, using the project-based thinking and also the project-based project management approach in general and the standard in particular, can effectively promote start-up businesses (pre-seed, seed, scale up, expansion, IPO) in the construction industry; in line with resilience and achieving the desired excellence, in order to help the activists in this field in today's dynamic, competitive and complex work contexts.

Lack of correct understanding of the final product of projects is one of the most important causes of cost overrun in the construction industry, which is the source of many differences between the main elements of projects. The use of new technologies has helped developed countries control the cost of projects. Virtual reality is one of the latest technologies which has entered many industries such as the construction industry in recent years and has positive effects in different areas of project management such as cost management. According to the critical capabilities of these projects in the field of creating a correct understanding of the final product, as well as the strong influence of the finishing on increasing the cost of construction projects, the present study is limited to investigating the effect of virtual reality on cost reduction in the finishing stage of residential projects. Firstly, to achieve the study's objectives, 39 causes of increasing the cost of construction projects were extracted by studying the previous literature. Rework, design changes during execution, and fluctuations in material prices were identified as the most influential factors in growing joinery projects' costs. Then, ten experienced experts validated the accuracy of the results using a questionnaire. Second, a platform was designed to implement virtual reality to provide a correct image of the project product and management information. Then, by an interview, the effect of virtual reality on reducing the cost of finishing residential projects was measured. Finally, by merging the first and second steps of the research, the results showed that virtual reality through reduction of design changes during implementation, rework, and mistakes in virtual reality design have a significant impact on reducing project costs. Also, 25 factors that have not impacted this technology and five other factors that have experienced minimal impact were separated.

Identifying and managing the factors affecting the claim reduction of stakeholders can help a lot to achieve the goals of a project and an organization. Researchers have identified these factors from different perspectives, but so far seldom research has identified the influential components of organizational managers' behavior on reducing claims in construction projects. Current study aims to identify these behavioral components and provide effective strategies to reduce conflicts. The present study is applied and descriptive and is a field study in terms of purpose and data collection, respectively. The data collection tools are library studies, interviews and questionnaires and the statistical population of the research is project managers, professors and experts in the field of management and engineers working on projects. Library studies were conducted to identify the behavioral components of organizational managers and Delphi interviews were conducted with 18 experts to complete these components. Due to the infinite number of members of the community, the Cochran's infinite formula was used to calculate the number of sample members which calculated to be 196. To investigate the effect of the behavioral components of organizational managers on claim reduction, a structured-questionnaire was distributed among the sample members. To check the validity of the questionnaire, the content validity method was used with the opinion of experts and its reliability was confirmed by Cronbach's alpha of 0.872. Testing the hypotheses was done using the "binomial test" in SPSS20 software. According to the findings, more than 95% of the participants believed that the behavioral components of manager’s ethics, personality, fair judgment, performance, openness and responsibility, flexibility and agility, organizational culture, behavioral style, courage, explaining transparency, no lying and no hypocrisy, motivational behavior and lack of indifference play a prominent role in reducing conflicts and claims in construction projects.

There is no doubt that human resources have a significant role in running any successful business. The literature indicates that this role is almost neglected in the construction industry. One of the important factors to increase productivity in various industries is to increase the productivity of human resources. Human resource productivity is a function of various factors where motivation is one of the most important factors. Considering the effect of motivation on innovation and the necessity of innovation in construction design firms, studying motivational factors of Architects and Engineers (AE) is of great importance. In this research, the most critical factors affecting Architects’ and Engineers’ motivation were recognized through literature review. These factors were classified into five main categories including Leadership and management, service compensation system, organizational atmosphere, social status, and job nature (current tasks – immediate situation and job development). Then, the factors were ranked by the industry experts through online questionnaires. Learning opportunity, distributive, procedural & interactional justice, and job promotion opportunity were ranked as the top critical motivational factors. However, it must be noted that important factors may differ considering the demographic properties of the interviewees. As a result, factors were ranked considering demographic factors including gender, marital status, age, educations, years of experience, and profession (civil engineer and architect). Finally, it should be noted that motivation of engineers and architects depends on several factors that must be considered in the design of human resource subsystems such as job analysis, performance appraisal and service compensation, training systems, and promotion to improve performance and increase productivity. In addition, motivation is one of the most important factors affecting personnel retention. Therefore, human resource management experts are advised to provide necessary grounds to increase the motivation of construction industry employees by designing appropriate human resource systems.

The most important issue in developing countries is the lack of proper infrastructures to facilitate the welfare of society and deal with problems in a desirable way. Due to the nature of infrastructures, the implementation of such projects requires significant funding, which, especially in developing countries, governments do not have enough capacity, so we must pay close attention to attract the new methods to finance projects. Therefore, it is necessary to use methods or models to determine the appropriate financing method for each organization according to its risk endurable level. The present study intends to provide a framework for determining the level of risk of financing methods in order to select the appropriate method in each project. In the first phase of the proposed framework be developing the qualitative method called content analysis, coding of interviews with experts and applying the Fuzzy AHP method, 17 risk criteria in the form of 7 main criteria including financing costs, risk of timely provision of resources, repayment structure The risk of interest rate fluctuations, the risk of exchange rate fluctuations, the risk of non-timely realization of project revenues and the risk of macroeconomic variables were identified and weighted. In the second phase, a fuzzy expert system was presented to predict the level of risk of financing methods. The results of the research in identifying the criteria showed that the risk of non-realization of project revenues in a timely manner, the economy risks and financing costs had the highest priority in the risk of project financing methods. Also, in the part of fuzzy expert system, firstly, in the development of the model, a new method was used to limit the number of rules in the knowledge base, and secondly, according to the validation performed, the accuracy of the model was determined to be 88%.

Open communication between people working in the construction industry has led to the creation of a new complexity in the interactions. In order to solve the safety issue, in addition to the necessity of examining the problem itself, it is indispensable to examine the related issues as much as possible. The construction workshops are complex systems of human resources whose core is extensive patterns between formal and informal relations. The proper understanding of construction project managers about the influence of informal network relations on the performance of formal relations leads to the suitable exploitation of limited resources in construction workshops and ultimately helps to increase productivity. The results of this research in a construction workshop in Tehran, Iran, showed that almost all factors had a pivotal role and centrality as much as the desired occupation based on a workshop chart in the formal network relations; but communication between people is formed based on personality, racial, linguistic and other characteristics in the informal network relations. These relationships by casting a shadow on formal relations lead to a failure to achieve safety objectives and instructions. Therefore, the existence of ethnic and cultural links between the project manager and the Health and Safety Executive (HSE) with other employees at the workshop will increase productivity in the workshop safety.

The construction industry accounts for a large share of the industry in various countries. The rate of accidents and deaths in this industry is much higher than in other industries. Safety is a major concern in the construction industry. One of the most dangerous parts of the industry is the construction of high-rise buildings. In this research, an attempt has been made to evaluate the level of factors affecting the safety of the project, to be able to predict the level of safety of future projects based on the records and information of previous projects. Because with a correct understanding of the impact of factors on safety, it is possible to take the necessary policies to improve safety and reduce damage to this part of the industry and prevent the waste of resources. To achieve this purpose, first, the factors affecting safety have been identified by reviewing the literature and reviewing the unofficial statistics of work-related accidents, and then the relationship between these factors and the level of project safety for 95 projects in Tehran and Kish Island is developed. It was conducted with the help of a questionnaire, with the help of a Bayesian network and multiple linear regression. In the proposed model, the effect of each of the groups affecting the safety of the project is determined. “Monitoring and supervising the safety" and "safe process of doing work" are among the most influential factors on the safety level of high-rise building projects; regression coefficients were 0.338 and 0.264, respectively.

The high rate of accidents and work-related damages in construction projects, has converted the construction industry to one of the most dangerous industries. Behavior-based safety as a new approach in safety management emphasizes the unsafe behavior of individuals as the most important cause of accidents more than ever. In order to implement this approach, it is essential to examine the factors that effects on the employee's behavioral safety. The purpose of this research is investigate the effect of organizational conditions on safety climate factors that are the most important Basic factors of staff safety behavior. In this study that was done by the structural equation modeling method, using AMOS 22, in the first stage, the measurement model was evaluated using confirmatory factor analysis; then, the structural model that was designed based on the research hypotheses was analyzed. The calculated indices (RMSEA=0/079; IFI=0/90; CFI=0/91; x^2⁄df=1/995; TLI=0.91) showed the optimal fit of the proposed model of research. Based on these results, management safety commitment has a positive and direct effect on four factors such as safety training and employee empowerment, Safety supervision, Social support and teamwork, as well as safety rules and rewards system. These findings emphasize organizational managers to pay attention about those factors to increase the safety level of staff.

Change is one of the most constant phenomena of the present century and there is no escape from change. Changes in principles, beliefs, values ​​(Values) and infrastructure are rare and will be major changes in structures, tools and superstructures. Changes in organizations can be both planned and based on strategies (action) and forced due to changes in internal and external environment (reactive).The business model in the manufacturing (contracting) industry has undergone fundamental changes over the past period, from the form of  internal to the form of cooperation and investment in production. Therefore, the organizations of this industry must adapt and organize themselves with the developments of their industry. New developments inside and outside the country are caused by rapid problems and the change in the paradigm of this industry is evaluated in such a way that the need for rapid change to a new state is felt, which can be referred to as the rapid paradigm shift. Nearby options for continuing to work macro can be classified into two categories. 1- Changing the general mission and re-engineering the organization, 2- Expanding the scope of the current mission can be considered as two options in front of the headquarters. With the complexity and combination of wars and pressures on the Islamic revolution, the need for comprehensive attention to the issue of economic warfare along with other wars (military, political, security, cyber, cultural, etc.) has become more important.

In the construction industry: investigation of innovation success faction is a fundamental step in codification and planning for technical innovation. The development of the construction industry is one of the indication of the growth of countries and accounts for the largest share of fixed capital accumulation and the highest allotment Employment. According to the aim of this research is identification and ranking of key factors affecting innovation the success, in construction projects in Isfahan, using Analytic Network Process (ANP) method; after library search, interviews and using a questionnaire from 14 industry experts '' key success the factors affecting innovation success in construction'' identified. These factors categorized in three groups: government factors, organizational factors, and knowledge management factors and relation between them identified. For the final ranking, a paired comparisons questionnaire were distributed, between 20 experts in the project of Isfahan International Conference Center and the Abshar residential towers then data analyzed using the Analytic Network Process methods and Super Decision software. According to the Analytic Network Process results in top management commitment for the organizational factors, creating and supporting R&‌D institutions for governmental factors and the knowledge acquisition and developing among the factors of knowledge management have the most weight.

The construction industry is known as one of the most dangerous industries in terms of work-related losses, injury rates, and workers' compensation. Safety in construction is one of the most important issues due to the large number of accidents and deaths in this industry. The issue of safety has always been of great interest to researchers due to the history of accidents in the construction industry and many studies have been conducted in various fields related to safety. The purpose of this study is to identify and rank the components of safety management in construction projects. The present study is applied in terms of purpose and descriptive in terms of the nature of the method. In order to collect data, questionnaires were prepared and multi-criteria decision making methods (test and evaluation decision making method and network analysis method) were used Completed by ten safety experts with at least five years of experience in construction projects in the city of Shiraz. The collected data were analyzed by Excel and SuperDeicisions software. The results showed that the components of the presence of supervisors and trained engineers in the field of safety, training of personnel and personal protective equipment, have the most weight.