Haidar Hosamo

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• PhD
• Associate professor at OsloMet – Oslo Metropolitan University

The construction industry has traditionally relied on labor-intensive methods, often resulting in inefficiencies, cost overruns, and extended project timelines. Despite advancements in automation and robotics, the potential of programmable construction to address these challenges remains underexplored, particularly in the context of small to medium...

Addressing greenhouse gas emissions in the built environment is crucial due to its significant contribution to the total equivalent CO 2 emissions. Recent efforts have primarily focused on enhancing energy efficiency, resulting in notable reductions in energy consumption. However, the next phase of decarbonization in the building sector is increasi...

This study evaluates the performance of 15 machine learning models for predicting energy consumption (30–100 kWh/m²·year) and occupant dissatisfaction (Percentage of Dissatisfied, PPD: 6–90%), key metrics for optimizing building performance. Ten evaluation metrics, including Mean Absolute Error (MAE, average prediction error), Root Mean Squared Err...

This paper explores innovative approaches to reducing energy consumption in building ventilation systems through the implementation of adaptive control strategies. Using a publicly available high-resolution dataset spanning a full year, the study integrates real-time data on occupancy, CO2 levels, temperature, window state, and external environment...

This study presents a framework for integrating digital twins and knowledge graphs to enhance heritage building conservation, addressing challenges in environmental stress management, material degradation, and structural integrity while preserving historical authenticity. Using validated synthetic data, the framework enables real-time monitoring, p...

Optimizing building designs for energy efficiency and occupant comfort presents significant challenges due to the complex and often conflicting requirements of various stakeholders. Consequently, this study conducts a multifaceted sensitivity and economic impact analysis that aims to improve building performance in terms of energy efficiency and oc...

Life Cycle Assessment is necessary for evaluating the environmental impacts of buildings throughout their life cycle, considering factors such as energy consumption, emissions, and resource utilization. However, Dynamic Life Cycle Assessment introduces a temporal dimension, acknowledging that a building's environmental performance evolves due to te...

This paper presents a novel application of machine learning models to clarify the intricate behaviors of expansive soils, focusing on the impact of sand content, saturation level, and dry density. Departing from conventional methods, this research utilizes a data-centric approach, employing a suite of sophisticated machine learning models to predic...

Exploring the integration of 5D Building Information Modeling (BIM) within the Norwegian construction sector, this study examines its transformative impact on cost estimation and project management, highlighting technological and skill-based adoption challenges. Through methodical case studies and interviews with industry experts, it is revealed th...

This research paper explores the integration of novel technologies in hospital emergency evacuations, particularly in Operating Rooms (ORs) and Emergency Departments (EDs). It examines the application of advanced tools like simulation modeling, Building Information Modeling (BIM), Digital Twin technology, sensor data, and Artificial Intelligence (A...

The integration of digital technologies in the form of sensor networks and automation systems has a significant impact on the Architecture, Engineering, and Construction- Facility Management (AEC-FM) industry in terms of data monitoring and manage- ment. By combining the real and digital worlds, developments in digital technologies like Digital Twi...

This paper presents a thorough review and detailed analysis of nanosensors for structural health monitoring (SHM) in the context of bridge maintenance. With rapid advancements in nanotechnology, nanosensors have emerged as promising tools for detecting and assessing the structural integrity of bridges. The objective of this review is to provide a c...

This study introduces a Bayesian network model to evaluate the comfort levels of occupants of two non-residential Norwegian buildings based on data collected from satisfaction surveys and building performance parameters. A Digital Twin approach is proposed to integrate building information modeling (BIM) with real-time sensor data, occupant feedbac...

Numerous buildings fall short of expectations regarding occupant satisfaction, sustainability, or energy efficiency. In this paper, the performance of buildings in terms of occupant comfort is evaluated using a probabilistic model based on Bayesian networks (BNs). The BN model is founded on an in-depth analysis of satisfaction survey responses and...

This study aims to evaluate the utilization of technology known as Digital Twin for fault detection in buildings. The strategy consisted of studying existing applications, difficulties, and possibilities that come with it. The Digital Twin technology is one of the most intriguing newly discovered technologies rapidly evolving; however, some problem...

This study proposes a novel Digital Twin framework of heating, ventilation, and air conditioning (HVACDT) system to reduce energy consumption while increasing thermal comfort. The framework is developed to help the facility managers better understand the building operation to enhance the HVAC system function. The Digital Twin framework is based on...

Detailed parametric analysis and measurements are required to reduce building energy usage while maintaining acceptable thermal conditions. This research suggested a system that combines Building Information Modeling (BIM), machine learning, and the non-dominated sorting genetic algorithm-II (NSGA II) to investigate the impact of building factors o...

There has been a significant surge in the interest in adopting cutting-edge new technologies in the civil engineering industry in recent times that monitor the Internet of Things (IoT) data and control automation systems. By combining the real and digital worlds, digital technologies, such as Digital Twin, provide a high-level depiction of bridges...

The Architecture, Engineering, Construction, and Facility Management (AEC-FM) industry is increasingly affected by digital technologies that monitor sensor network data and control automation systems. Advances in digital technologies like Digital Twin offer a high-level representation of buildings and their assets by integrating the physical and di...

The building industry consumes the most energy globally, making it a priority in energy efficiency initiatives. Heating, ventilation, and air conditioning (HVAC) systems create the heart of buildings. Stable air handling unit (AHU) functioning is vital to ensuring high efficiency and extending the life of HVAC systems. This research proposes a Digi...

The formulation of a multi-hazard loss model for a given structure is not only of interest for predicting the economic impact of future damage but it can also be of importance for risk mitigation. A methodology that can assess the vulnerability of the built environment is a significant component of a loss model. The multi-risk vulnerability of heri...

Construction project management defined by Ding Zhang et al.(2011)is the fundamental to ensure the construction progress, project quality and safety construction. The traditional management mainly depends on the rich experience of managers, while the arrangement of materials, labor and general equipment depends on the well prepared construction org...

Bridge pier is a building that supports bridge span structure and transmits dead load and live load to foundation. As the main supporting structure of the whole bridge, the perpendicularity of the pier is particularly important. Among them, for the pier with high height, the influence of perpendicularity deviation on the quality of pier is more obv...

The precise measurement and positioning of the outline of high-altitude massive special-shaped structure has a guiding role in the installation of its external curtain wall and other ancillary facilities. Traditionally, total station measurement and other technical methods are mostly used, which have the disadvantages of large workload, long time-c...

For bridges with complex structures and difficult construction, quality is a real issue. The use of the BIM-model is important to seek good quality in the design of the bridge. Furthermore, the model is important for construction and supervision, but it is undeniable that quality assurance after completion could be a problem. The use of a scanner c...

A ring footing is found to be of practical importance in supporting symmetrical constructions for example silos, oil storage container etc. In the present paper, numerical analysis was carried out with explicit code FLAC3D 7.0 to investigate bearing capacity of a ring footing on ge-ogrid reinforced sand. Effects of the ratio n of its inner/ outer d...

The flexural behavior of reinforced concrete beams is obviously defined and can be managed with reasonable accuracy. However, a solution has not been obtained for the shear capacity of beams, especially those without shear reinforcement, though numerous models have been established using different approaches. The reason is due to the complexity of...

This report focuses on the life-cycle assessment of two office buildings in China (Shanghai). The use lifetime of the buildings considered to be fifty years. Environmental impacts and energy consumption are compared during the different phases “Manufacturing phase, Use phase & End of life phase” of two different office buildings, steel, and concret...

This report focus is on the life-cycle assessment for the two office buildings in China (Shanghai). The use lifetime of the buildings considered to be fifty years. Environmental impacts and energy consumption are compared during the different phases “Construction phase, Use phase & End of life phase” of two different office buildings, steel and con...

Risk analyse

This thesis deals with the ultimate bearing capacity of an isolated ring footing on the geogrid-reinforced sand. A numerical investigation was first carried out; in the study, Code FLAC 3D was used in the analyzing, where a simple Mohr-Coulomb frictional law was implemented as a failure criterion to represent the property of geogrid-reinforced sand...

عندما تكون المساحة كافية في مواقع المشروع يمكن تنفيذ حفر التأسيس بميول طبيعية تحق استقرار التربة تبعا لمواصفات هذه التربة - في التربة المفككة: 1:1.5~2 -في الترب المتماسكة : 1:1~1.5 -في الترب المتصلبة : 1:0.5~1 ولكن عندما يحوي المشروع المراد تنفيذه على عدد من الطوابق تحت منسوب الارض الطبيعية مما يجعل من الضروري اللجوء إلى حفر تأسيس عميقة , وبالتالي...

This traffic node is located in the province of Tartous on the northwestern entrance of the province. It is considered one of the most important road projects currently in Tartous, which started at the end of 2010 at an estimated cost of 496 million and 668 thousand pound. It provides an easy flow of trucks to and from the port. In resolving the tr...