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Number of results: 10
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Abstract

The digitalisation of the construction process is a phenomenon that has been significantly accelerated in recent years. BIM (Building Information Modeling) technology is becoming increasingly popular with designers, contractors and investors and is being used, mainly in relation to buildings. In communication objects, the application of BIM is much more difficult, as confirmed by the shifting schedules during implementation trials in road design. And yet, BIM is not only about the design or execution of construction works, it is worth taking advantage of the new possibilities especially at the stage of using the facility. BIM in transportation infrastructure is already used in other countries, mainly in Scandinavia, where work on its implementation began at the beginning of this century. The preparation of appropriate procedures and standards, adjusted to national realities, requires gathering experience on pilot investments. The paper presents an analysis of the necessary initial data which will make it possible to apply BIM in the Polish road construction industry. Moreover, the main risks occurring at various stages of the construction process are presented. The aim of the article is to indicate the necessary actions that will allow the advantages of BIM technology to be used more fully in road investments. The implementation of BIM in Polish road construction is not a distant future but rather "tomorrow", so it is worth knowing the limitations and preparing for the upcoming changes.
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Authors and Affiliations

Artur Juszczyk
1
ORCID: ORCID

  1. University of Zielona Góra, Institute of Civil Engineering, St. prof. Z. Szafrana 1, 65-516 Zielona Góra, Poland
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Abstract

Most architects and construction engineers need to use modern energy analysis software for the purpose of improving their design. There is software within the BIM (Building Information Modeling) that are specific to energy which help to get the calculations of energy in an easy way. Building energy analysis studies in Iraq are few and limited and insufficient attention is given to this important stage in building design which is one of the necessary and important stages to obtain a good design In this paper, one of the existing buildings in one of the regions of Iraq was modelled by using BIM modelling software (Autodeck Revit). The energy analysis was then carried out by the (Autodesk Ecotect) software after exporting the previously modelled model. The results obtained are necessary to achieve the best design in terms of energy with the assumption of future changes in buildings that are similar in style and area conditions in order to optimize energy.

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Authors and Affiliations

Wadhah Amer Hatem
ORCID: ORCID
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Abstract

Bridges are particularly vulnerable elements of transport infrastructures. In many cases, bridge structures may be subject to higher volumes of traffic and higher loads as well as more severe environmental conditions than it was designed. Sound procedures to ensure monitoring, quality control, and preventive maintenance systems are therefore vital. The paper presents main challenges and arriving possibilities in management of bridge structures, including: relationships between environment and bridge infrastructure, improvement of diagnostic technologies, advanced modelling of bridges in computer-based management systems, development of knowledge-based expert systems with application of artificial intelligence, applications of technology of Bridge Information Modelling (BrIM) with augmented and virtual reality techniques. Presented activities are focused on monitoring the safety of bridges for lowering the risk of an unexpected collapse significantly as well as on efficient maintenance of bridges as components of transport infrastructure – by means of integrated management systems. The proposed classification of Bridge Management Systems shows the history of creating such systems and indicates the expected directions of their development, taking into account changing challenges and integrating new developing technologies, including automation of decision-making processes.
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Authors and Affiliations

Jan Bień
1
ORCID: ORCID
Marek Salamak
2
ORCID: ORCID

  1. Wrocław University of Science and Technology, Faculty of Civil Engineering,Wybrzeze Wyspianskiego 27, 50-370 Wrocław, Poland
  2. Silesian University of Technology, Faculty of Civil Engineering, ul. Akademicka 5, 44-100 Gliwice, Poland
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Abstract

Worker absenteeism is identified as the greatest threat to not meeting the completion date of a construction project. The purpose of this paper is to quantify the impact of employee absenteeism risk on the probabilistic lead time of a construction project. Calculations of employee absenteeism risk values were performed using data from the Central Statistical Office (Big Data). Probabilistic schedules with probability density functions (Normal, Exponential, Reyleigh, Triangle, Gamma, Cauchy) with and without calculated employee absenteeism risk were prepared. Student’s t-test and MAPE analysis of mean absolute percentage errors were performed to determine differences between groups. It was found that with respect to the probability of completing the task in the range of 75 to 95% for all functions, an unacceptable MAPE error of 32.82% to 69.23% arises. Therefore, the authors postulate that the risk of worker absenteeism should be considered in every construction process when performing probabilistic scheduling, i.e., in the Building Information Modeling BIM methodology.
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Authors and Affiliations

Magdalena Rogalska
1
ORCID: ORCID
Zdzisław Hejducki
2
ORCID: ORCID

  1. Lublin University of Technology, Faculty of Civil Engineering and Architecture, ul. Nadbystrzycka 40, 20-618 Lublin, Poland
  2. Wrocław University of Science and Technology, Faculty of Civil Engineering, Plac Grunwaldzki 11, 50-384 Wrocław, Poland
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Abstract

BIM technology is not commonly used in the Polish bridge engineering yet. The article presents a case study of a road bridge made of prestressed concrete and built using the incremental launching method, modelled according to the BIM technology. The bridge with a complex geometry is located along the S1 expressway. Particular attention is paid to the development of the BIM 5D model created on the basis of a design developed traditionally in order to gain competence and verify the set goals. The process of creating subsequent stages of the BIM model is characterized synthetically, in particular the 3D geometric model with the surrounding area and additional 4D (time) and 5D (costs, kinds of materials) dimensions together with the software used. The article discusses the assumptions adopted for the development of numerical models and data analyses. The developed models take into account the assembly phase (construction) and the use (operation) phase, appropriate for the incremental launching method. The results obtained while using BIM technology were confronted with the results identified on the basis of a conventional design. Conclusions present the most important challenges and the achieved goals as well as the pros and cons of creating designs while using BIM technology.
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Authors and Affiliations

Wojciech Trochymiak
1
ORCID: ORCID
Artur Krygier
2
ORCID: ORCID
Michał Stachura
2
Jakub Jaworski
3

  1. Warsaw University of Technology, Faculty of Civil Engineering, Al. Armii Ludowej 16,00-637 Warsaw, Poland
  2. PORR S.A., ul. Hołubcowa 123, 02-854 Warsaw, Poland
  3. BHJ-Inzynieria Sp. z o.o., ul. Gustawa Herlinga-Grudzinskiego 19E/6, 80-283 Gdansk, Poland
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Abstract

Bridge inspections are a vital part of bridge maintenance and the main information source for Bridge Management Systems is used in decision-making regarding repairs. Without a doubt, both can benefit from the implementation of the Building Information Modelling philosophy. To fully harness the BIM potential in this area, we have to develop tools that will provide inspection accurate information easily and fast. In this paper, we present an example of how such a tool can utilise tablets coupled with the latest generation RGB-D cameras for data acquisition; how these data can be processed to extract the defect surface area and create a 3D representation, and finally embed this information into the BIM model. Additionally, the study of depth sensor accuracy is presented along with surface area accuracy tests and an exemplary inspection of a bridge pillar column.
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Authors and Affiliations

Bartosz Wójcik
1
ORCID: ORCID
Mateusz Żarski
1
ORCID: ORCID

  1. Department of Mechanics and Bridges, Faculty of Civil Engendering, Silesian University of Technology, ul. Akademicka 5, 44-100 Gliwice, Poland
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Abstract

It is often spoken and written about the use and benefits of BIM in the design, build, and exploitation phases. Based on an extensive analysis of scientific articles and practice, it has been noticed that, however, there is no comprehensive solution for the use of BIM at the stage of preparation for construction. And there is no relevant approach to the organization of construction though various software offers availability to calculate separate processes that are important for the organization of it. For example, based on the BIM model, determine the optimal place for the tower crane. But the problem is that such a local solution does not represent a comprehensive approach and does not represent apprehensive construction planning. It means, currently there is no method of planning, which will answer the questions: whether to choose a tower crane or a truck crane, where is the optimal place for unloading construction materials, considering the location of the crane, etc. Therefore, this article presents the vision and strategy of BIM development at the construction stage. The problem that should be solved now is the creation the strategy that will allow to improve the efficiency of construction works, adjusting them to the current situation in an optimal way. Therefore, the aim of the article is to combine separate ideas of BIM using in construction management as a whole and call scientists to discuss and supplement the topics of using BIM in construction management.
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Authors and Affiliations

Robertas Kontrimovic̆ius
1
ORCID: ORCID
Leonas Ustinovic̆ius
1
ORCID: ORCID
Czesław Miedziałowski
2
ORCID: ORCID
Mantas Vaišnoras
1
ORCID: ORCID

  1. Vilnius Gediminas Technical University, Faculty of Civil Engineering, Vilnius, Lithuania
  2. Bialystok University of Technology, Faculty of Civil Engineering and Environmental Sciences, Bialystok, Poland
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Abstract

The building information modeling (BIM) method is one of the newest methods that has been widely used in many parts of the building business, including energy management. The aim of this research is to analyze the most holy theotokos in order to find the best set of modifications that result in an optimal energy cost. The analysis was conducted through the use of building information modeling (BIM) technology and the associated programmers such as Auto Desk Revit 2020 and Auto Desk Insight 360, in order to determine the optimal strategies by which the most applicable alternative construction materials and procedures are considered in order to obtain an environmentally and economically sustainable most holy theotokos. Applying this analyze to the most holy theotokos revealed that many alternatives are capable of making a tangible reduction in the cost of electrical energy consumption and the cost of fuel for generators. Such reductions are noticed when altering in the optimum manner. The alteration of construction materials for walls and roofs also reduces the cost of electrical energy consumption and fuel for generators. The results show that changing the plug load efficiency in the optimal manner reduces the cost of electrical energy consumption by approximately 933913 US dollar ($), and changing the heating, ventilating, and air conditioning systems (HVAC) reduces the cost of fuel energy consumption by approximately 13522 US Dollar ($). Green building studio (GBS) is a tool that helps in the early stages of a project to find the best ways to save energy.
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Authors and Affiliations

Oday Hammody Abdullah
1
ORCID: ORCID
Wadhah Amer Hatem
2
ORCID: ORCID

  1. University of Baghdad, Civil Engineering Department, Baghdad, Iraq
  2. Middle Technical University, Baquba Technical Institute, Baquba, Iraq
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Abstract

The world has been implementing Building Information Modelling (BIM) successfully to construction projects from small to large scale. In Vietnam and many other countries, BIM is also widely applied in different fields of the construction industry. However, there are still many problems that need to be solved. One of those is to determine the necessary BIM competencies, thereby develop BIM personnel recruitment standards. The article identifies the competencies as well as evaluates their importance when supporting the recruitment of BIM personnel in construction enterprises in Vietnam. Through survey forms such as survey on online recruitment, expert interviews, and survey forms, the study is conducted with Likert scale, relative importance index (RII) for result analysis and ranking the importance of BIM competency for three distinct group of positions in Vietnam. With this result, the authors hope that the study will be an important reference, contributing to the development and concretization of the required competency criteria in the recruitment of BIM personnel in Vietnam and other similar countries.
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Authors and Affiliations

Pham Xuan Anh
1
ORCID: ORCID
Nguyen Quoc Toan
1
ORCID: ORCID
Tran Phuong Nam
1
ORCID: ORCID
Hoang Duy Long
1
ORCID: ORCID
Do Duc Thang
1
ORCID: ORCID

  1. Hanoi University of Civil Engineering, Faculty of Construction Economics and Management, No. 55 Giai Phong Street, Hai Ba Trung District, Hanoi, Vietnam
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Abstract

In promoting the construction of prefabricated residential buildings in Yunnan villages and towns, the use of precast concrete elements is unstoppable. Due to the dense arrangement of steel bars at the joints of precast concrete elements, collisions are prone to occur, which can affect the stress of the components and even pose certain safety hazards for the entire construction project. Because the commonly used the steel bar obstacle avoidance method based on building information modeling has low adaptation rate and cannot change the trajectory of the steel bar to avoid collision, a multi-agent reinforcement learning-based model integrating building information modeling is proposed to solve the steel bar collision in reinforced concrete frame. The experimental results show that the probability of obstacle avoidance of the proposed model in three typical beam-column joints is 98.45%, 98.62% and 98.39% respectively, which is 5.16%, 12.81% and 17.50% higher than that of the building information modeling. In the collision-free path design of the same object, the research on the path design of different types of precast concrete elements takes about 3–4 minutes, which is far less than the time spent by experienced structural engineers on collision-free path modeling. The experimental results indicate that the model constructed by the research institute has good performance and has certain reference significance.
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Authors and Affiliations

Hong Chai
1
ORCID: ORCID
Junchao Guo
1
ORCID: ORCID

  1. YellowRiver Conservancy Technical Institute, Department of Civil Engineering and Transportation Engineering, 475000 Kaifeng, China

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