FYPs/Thesis/Journal from Higher Education Institutions in Hong Kong


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Institution Title Type Date Author(s) Abstract Link
HKUST Integration of BIM and GIS for City Planning Report 06/2014 LI Zhi With the popularity of 3D digital maps for computers and mobile phones, the development of 3D city models has grown substantially in the last decades. 3D maps can not only support navigation, but also allow people to perform city planning and architectural and engineering designs with the consideration of the surrounding environment. Moreover, many other advanced applications have been studied to be equipped in 3D models, like disaster management, noise and pollutant diffusion analysis and so on. Earliest research on 3D digital city models was in 1990s and now there are about a total number of 1252 3D digital city models worldwide already.

Since the early 1990’s, lots of researchers have conducted studies in creation, application and maintenance of 3D city models. The study results indicate that the modeling construction techniques and application exploitability has improved significantly in last decades. However, the level of development of existing models varies widely in view of geographic locality (either city or country), creation time and many other factors. A standardized evaluation framework of the existing 3D city models is still in need.

Based on the purpose of setting up an evaluation framework, this review work was conducted. Mainly through literature review and searching on project websites, we collected original sources of more than 70 projects of 3D city models and 23 are chosen for detailed study and analysis. These city models are mainly categorized in four continents (North America, Europe, Asia and Oceania) and in four aspects (model coverage, modeling technology, application and maintenance).

To the point, a preliminary model estimation method is created, considering the maturity of five aspects during modeling procedures, i.e. data capturing, data processing, data storing and managing, data presenting and data updating. According to the evaluation framework, city models can be categorized into four maturity levels as 3D GIS as a Scene, 3D GIS as a Service, 3D GIS as an Infrastructure and 3D GIS as a Platform. Finally, based on the analysis results, some limitations of 3D city models in current situation are summarized, and recommendations of possible resolutions are presented correspondingly.
HKUST Developing a Context-Aware Building Information Modeling Framework for Construction Monitoring and Management FYP 06/2017 CHAN, Kei Yiu
LI, Chun Ting
With the global popularization of smartphones, which are equipped with various electronic sensors and hardware, the smartphones can collect useful information, such as location, light intensity, speed from the surroundings almost everywhere and anytime. The instant availability of the useful information has led to the formulation of a novel concept called context-awareness, which is developing computer programs to perform specific functions based on the acquired information. Location-awareness, which focuses only on collecting location information, is one of the future trends for building information modelling (BIM) development. The primary purpose of this project is to incorporate the idea of location-awareness to BIM in construction management and monitoring. To achieve this purpose, this project is objected to accomplish three main objectives, which are locating and analyzing the user current indoor position, acquiring and transferring the information in from BIM models to local devices and establishing the location-aware BIM framework on a viable and convenient platform. Thus, the location-aware BIM framework is developed as a mobile application named as “HKUST Library Helper”. The mobile application is not only equipped with Wi-Fi fingerprinting technology to support indoor localization, but also it is designed to provide different useful functions such as identifying rooms based on user position or by touch, extracting room information and creating and retrieving special notes and tasks for different rooms. N.A.
HKUST BIM-based Daylighting and Energy Analysis on the HKUST Campus Report 06/2018 LIU, KING HB
WANG Xiaohan
William Yat Tang FUNG
With the acceleration of urbanization, the building energy consumption in China accounts for 20% of the total energy consumption, of which the depleting of residential energy accounts for 60.3%. A residential building-hall 6 in HKUST campus is chosen and energy consumption and daylighting is analyzed and optimized. After literature review and learning the advantages, disadvantages and application of different software about energy analysis, I choose some BIM-related software to conduct energy and daylight analysis and consumption, such as Autodesk Revit, eQUEST and Insight 360 based on Building Information Modeling (BIM).

For energy analysis, annual energy consumption is 795.2 mWh and half of it is space cooling.In our analysis, the illuminance levels of the building are 52% and 68% at 9 am and 3 pm respectively, which exceed the passing criteria, so daylighting of this residential building can meet the LEED requirement. The results in this project are useful for both building energy conversation and creating a comfortable living environment in future.
HKUST Quantification of construction and demolition waste prevented by BIM-based design validation: Case studies in South Korea Journal 01/2016 Won, J., Cheng, J.C.P., and Lee, G. Waste generated in construction and demolition processes comprised around 50% of the solid waste in South Korea in 2013. Many cases show that design validation based on building information modeling (BIM) is an effective means to reduce the amount of construction waste since construction waste is mainly generated due to improper design and unexpected changes in the design and construction phases. However, the amount of construction waste that could be avoided by adopting BIM-based design validation has been unknown. This paper aims to estimate the amount of construction waste prevented by a BIM-based design validation process based on the amount of construction waste that might be generated due to design errors. Two project cases in South Korea were studied in this paper, with 381 and 136 design errors detected, respectively during the BIM-based design validation. Each design error was categorized according to its cause and the likelihood of detection before construction. The case studies show that BIM-based design validation could prevent 4.3–15.2% of construction waste that might have been generated without using BIM. Link
HKUST Analysis of Urban Walkability Using BIM and 3D GIS Models FYP 06/2020 LAI, Chi Ching
POON, Kwok Ho
Walkability, which is defined as the friendliness of a city or district towards walking, has been evaluated in the current Urban Design Report released by the Planning Department. The ultimate target of urban planning is not only being walkable but also provides comfortable walkways for pedestrians to travel through the city. Surveying and walking audit are the two common methods to measure the walkability of a district. However, the two methods are subjected to personal views and labor-intensive in data collection. This study tries to integrate Building Information Modeling (BIM), medial axis transform (MAT) network, and pedestrian flow simulation to analyze the walkability of Kwun Tong District. This approach digitizes the study region with rich geometric and semantic information for comprehensive analysis, which could present high similarity to the real environment. The BIM model of this study is a 3D model of the Kwun Tong District binding with information of the walking facilities such as the opening hours and slope of the walkway. The 3D pedestrian network, which indicates the walkable paths in the 3D model with walkway information, is built on the BIM model in order to calculate the time cost using a self-defined utility function. Pathfinder is used for pedestrian flow simulation to capture videos of pedestrians walking in the specific route in the BIM model, which gives realistic and clear illustrations in the walking environment. This study covers the area along Ngau Tau Kok Station to Kwun Tong Station, including residential area and commercial area, which is able to simulate various pedestrian walking behaviors in different districts. Three phases of simulations are carried out in the study region in this project, trying to demonstrate the working principle of the study method by analyzing the walkability of a specific region, sorting out the problems, and trying to improve the walkability with alteration in the BIM model. The ultimate target of the study is to provide a platform for walkability analysis so that the effectiveness of the urban planning policies can be simulated before adoption. N.A.
HKUST Analysis of Urban Walkability Using BIM and 3D GIS Models FYP 06/2019 NG, Ho Yin
NG, Sze Wai
Walkability problems are serious issues that influences people’s daily lifestyle. Providing a walkable environment is crucial to maintaining the living standard of people. Therefore, the proposal of Policy Address 2017 from the Hong Kong government has proposed the idea of the development of a walkable city. Kwun Tong was industrialized in an early stage and it was realized that many facilities were not satisfied with the standard of the barrier-free facility so it had undoubtedly been one of the targets. In the past, people analyzed walkability problems using the scoring system, observation or on-site investigation. However these approaches were extremely time-consuming, and were lack of efficiency and effectiveness to tackle the problem. Also, it was difficult to realize both macroscopic and microscopic problems at the same time. Hence, this project aims at dealing with the walkability problems by applying the smart technology, Building Modelling Information Technology (BIM) as well as Graphic Information System (GIS) while this report is mainly focusing on the BIM part at this first developing stage. BIM has been applied in the architecture, engineering and construction (AEC) industry for over a decade but there is less application on the walkability problems in Hong Kong.

The ultimate objective of this project is to enhance and promote the concept of walkability to citizens by applying the policy using smart technology. This project is divided into three stages. The first stage will develop a 3D BIM model of the real district, Tsui Ping North Estate in Kwun Tong. The second stage aims at drawing the 3C line network on the 3D BIM Model so that it can present the walking path of people in different situations. Some selected paths will be used to evaluate its cost and the lowest cost will be considered as the perfect path. In stage three, based on this perfect condition, information will be exported to simulate the walking behavior of people in a different situation. By applying BIM Technology, it can demonstrate the real situation in the computer so as to find out the walking difficulties of people, particularly our targeted group, wheelchair users and the elderly. Likewise, making modifications in the current design, extensions of the walkway or any other possible suggestions will be provided according to the demonstrations so that we can develop a walkable city in the future.