Mikael Johansson

Mikael Johansson
Chalmers University of Technology · Department of Architecture and Civil Engineering

About

39
Publications
16,972
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559
Citations
Introduction
Mikael Johansson currently works at the Department of Architecture and Civil Engineering, Chalmers University of Technology. His research interest centers around ICT within the AEC/FM industries with a specific focus on Virtual Reality (VR) and data management in relation to Building Information Models (BIM).

Publications

Publications (39)
Article
Full-text available
Digital technologies are rapidly transforming the construction industry, offering new opportunities to improve site work performance. Traditionally, site workers take information from static construction documents such as 2D paper drawings. However, in the Nordic region, a dynamic approach known as Total BIM has gained interest. Total BIM is a mode...
Conference Paper
Full-text available
The rapid advancement of digital technologies presents the construction industry with opportunities to change how site work is performed. Traditionally site work has been dominated by taking information from static construction documents such as 2D paper drawings. However, recently in the Nordic region a dynamic approach known as Total BIM has gain...
Conference Paper
Full-text available
Cost and schedule overruns are a major issue in the construction industry and a variety of location and activity-based planning, and control methods are used to address these issues. Takt time planning (TTP) has recently gained increased attention in Scandinavia through its use of fixed durations, use of location as a resource and demand on trade-c...
Conference Paper
Full-text available
The integration of immersive virtual reality (VR) and Building Information Modeling (BIM) has many applications within the Architecture, Engineering, and Construction (AEC) industries, and it is mainly VR’s ability to convey scale and details that is put forward when comparing it to non-immersive visualizations. More recently, immersive VR has been...
Article
Full-text available
Purpose: Building information modeling (BIM) is mostly limited to the design phase where two parallel processes exist, i.e. creating 2D-drawings and BIM. Towards the end of the design process, BIM becomes obsolete as focus shifts to producing static 2D-drawings, which leads to a lack of trust in BIM. In Scandinavia, a concept known as Total BIM has...
Article
Full-text available
During the last decades, the introduction of Building Information Models (BIM) has opened new possibilities to ensure better communication and a shared understanding between stakeholders in construction projects. Similar benefits have been found in 4D simulations of the schedule. While BIM and 4D use has seen a steady increase, the potential benefi...
Article
Purpose This paper aims to focus on 11 digital technologies (i.e. building information modeling, artificial intelligence and machine learning, 3D scanning, sensors, robots/automation, digital twin, virtual reality, 3D printing, drones, cloud computing and self-driving vehicles) that are portrayed in future trend reports and hype curves. The study c...
Article
Full-text available
The design process of a new hospital is often recognized as a complex task involving a diverse group of actors. The most common information media used today are project related documents and drawings. Hospital users´ ability to interpret information through these varies. This affects the design feedback from users. However, an increasing use of Vir...
Article
Throughout the design of a new building it is essential that all involved stakeholders understand, communicate, participate, and collaborate with each other to acquire a high-quality result. To support these shared and creative design processes, this paper presents the design and evaluation of virtual collaborative design environment (ViCoDE) - a n...
Conference Paper
Full-text available
Construction planning and scheduling processes have been relatively unchanged until the last decades when 4D-planning has been promoted along with the rise of Building Information Modeling (BIM). Some 4D-systems have been developed for visualising schedules rather than to aid in the actual creation of the schedule. In contrast, some scheduling soft...
Conference Paper
The construction industry strives to implement digitalization and Building Information Modelling (BIM). Studies of BIM in construction claim that a pronounced BIM strategy, knowledge of the subject and a willingness to change are important factors to succeed, but even when such conditions are in place, BIM implementation in construction production...
Article
Full-text available
Construction projects often suffer from backlashes in relation to poor plans and schedules. Especially pre-construction planning has been challenging due to a high complexity, an extensive amount of information, and a lack of site managers time to make the schedule. To solve these issues for pre-construction planning; new planning processes, method...
Conference Paper
Full-text available
In Scandinavia, recent years have seen an increased effort to move away from traditional 2D-drawings at the construction site, and instead let site personnel extract necessary information directly from the Building Information Model (BIM). However, although BIM-viewers and mobile applications are constantly improving, there are still issues around...
Conference Paper
Full-text available
Qualitative and quantitative data are important in construction management. However, despite the capabilities of construction informatics, such data and its sources have scarcely been fully and systematically utilized for predictive purposes. Building Information Models (BIM) are such a data source. Within BIM, information structures enabling inter...
Article
Full-text available
The purpose of this paper is to introduce and discuss potential applications of emerging Building Information Model (BIM) and related technologies as applied to healthcare facilities. The paper presents example of applications of digital tools enabled by BIM that support more integrated outcomes for complex healthcare projects
Thesis
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The architecture, engineering and construction (AEC) industries are currently undergoing a change from a drawing-based form of information exchange to a model-based. Using the concept of Building Information Models (BIM), the content produced by architects and designers has evolved from traditional 2D-drawings to object-oriented 3D-models embedded...
Article
Full-text available
This paper describes and investigates stereo instancing — a single-pass stereo rendering technique based on hardware-accelerated geometry instancing — for the purpose of rendering building information models (BIM) on modern head-mounted displays (HMD), such as the Oculus Rift. It is shown that the stereo instancing technique is very well suited for...
Conference Paper
Full-text available
The design process of a building often involves many different actors and people with different experiences, level of knowledge and ability to interpret information. The most common information media in these processes are 2D-drawings, documents and 3D images of design. These media can be difficult to interpret and understand and could cause commun...
Conference Paper
Full-text available
Modern construction planning philosophies, such as The Last Planner System (LPS), stipulate that those performing the work on site should participate in the planning. In this paper we describe and analyse a variant of LPS that is currently in use in a Scandinavian construction company and explore the possibilities to enhance the process by integrat...
Article
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This paper highlights and addresses the complexity and challenges involved in visualizing large and detailed Building Information Models (BIM) in real-time. The contribution of the paper is twofold: (a) an in-depth analysis of four commonly used BIM viewers in terms of real-time rendering performance and (b) the development and validation of a prot...
Article
The use of Virtual Reality (VR) and interactive real-time rendering in urban planning and building design is becoming more and more common. However, the integration of desktop-VR in the urban planning process suffers from complicated navigation interfaces. In particular, people unfamiliar to gaming environments and computers are less prone to inter...
Conference Paper
Full-text available
This paper presents a system that allows immersive visualizations to become a natural and integrated part of the current building design process. It is realized through three main components: (1) the Oculus Rift - a new type of Head Mounted Display (HMD) directed at the consumer market, (2) a real-time rendering engine supporting large Building Inf...
Conference Paper
Full-text available
This paper presents an efficient approach for integrating occlusion culling and hardware instancing. The work is primarily targeted at Building Information Models (BIM), which typically share characteristics addressed by these two acceleration techniques separately – high level of occlusion and frequent reuse of building components. Together, these...
Conference Paper
The use of Virtual Reality (VR) and interactive real-time rendering in urban planning and building design are becoming more and more common. However, the integration of VR in the urban planning process suffers from the complicated interaction handling of the virtual environment. In particular, people unfamiliar to gaming environments and computers...
Conference Paper
In recent years, many systems have been developed to handle real-time rendering of a 3D-city model and its terrain. These terrains are often constructed using one of the two main methods for representing terrain e.g. Image-based or geometry-based terrains. Both of these methods have its advantages and disadvantages, which are presented in this pape...
Conference Paper
In interactive 3D-environments of urban-planning projects, the ground materials and land features are often represented by aerial photos. These lack of detail and therefore often look blurred and diffuse. This paper presents a technique to enhance the visual quality of the ground by blending the aerial photos with tiled detail-textures in a level-o...
Conference Paper
Full-text available
A Building Information Model (BIM) is a powerful concept, since it allows both 2D-drawings and 3D-models of buildings or facilities to be extracted from the same source of data. Compared to a general 3D-CAD model a BIM is a different kind of representation, since it defines not only geometrical data but also information regarding spatial relations...
Article
Full-text available
The introduction of virtual reality (VR)-models in the city planning process will cause changes in the traditional roles of the involved parties. In order to better understand some of these changes, the events involving the use of VR-models in an architectural competition concerning rebuilding-proposals for the city library in a Swedish city were a...
Conference Paper
The introduction of Virtual Reality (VR) models in the environmental planning process can change the traditional roles of the parties involved. This paper examines the influence of VR-models on the role of professionals in an architectural competition concerning proposals for rebuilding the city library in Gothenburg. The study shows that VR was ex...
Article
It is important that the properties of a Virtual Reality (VR) model support its purpose in the specific context in which it is used. This study investigated how employees of a company experienced a VR model of their yet-to-be-built office building. We also compared the VR experience with the employees' experience of the completed building. The resu...
Article
Full-text available
At present time, three-dimensional objects are often represented with 2D-data in urban planning and building design. In order to get all the involved parties to fully understand a certain project, this may not be enough. More and more projects therefore take use of the Virtual Reality (VR) technique as a complement to traditional 2D drawings and sk...
Article
Full-text available
This paper outlines the process used to introduce building information modelling into the academic curriculum of built environment students and reflects on the techniques used to ensure appropriate use of parametric tools for the purposes of visualisation. The integration of building information modelling into other curriculum sub-jects is outlined...
Article
The creation of a 3D city model is usually a very time-consuming process and due to the constant development of the city it also has to be updated accordingly. One of the problems with large 3D city models is that they contain a huge amount of data that has to be stored and processed when it is used. The storage and management of the models are the...

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