Weisheng Lu

Weisheng Lu
The University of Hong Kong | HKU · Department of Real Estate and Construction

About

286
Publications
182,457
Reads
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7,996
Citations
Additional affiliations
March 2016 - present
The University of Hong Kong
Position
  • Associate Dean (Research)
July 2015 - present
The University of Hong Kong
Position
  • Professor (Associate)
September 2009 - June 2015
The University of Hong Kong
Position
  • Professor (Assistant)

Publications

Publications (286)
Article
It is an unfortunate fact that, in pursuing occupational safety and health (OSH), privacy as a core value is often traded away. Blockchain technology has unexplored potential in tackling this dilemma through its cryptography, decentralization, and consensus mechanisms. This research aims to develop a blockchain-enabled framework to balance privacy...
Article
Three-dimensional (3D) truck information, e.g., geometry, orientation, and position, can enable various smart construction applications such as monitoring earthwork, enhancing construction safety, and promoting productivity. Whereas stereo cameras have been explored extensively, the use of monocular vision (MV) for object 3D reconstruction still la...
Article
Building information modeling (BIM) has been a disruptive development in the global architecture, engineering, construction and operations (AECO) industry. While architecture schools have sought to integrate BIM into their curricula, most current pedagogical approaches and lessons are derived from engineering and construction management perspective...
Article
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This research aims to understand the loading patterns of construction waste hauling trucks in Hong Kong and the factors shaping these patterns. It does so by triangulating the analytical results of big data collected from secondary sources and qualitative data from interviews. Firstly, based on the literature review and our engagement with the indu...
Article
Smart living is highly advocated to improve the quality of life by involving original and innovative solutions. This trend has been jointly driven by policymakers and domain specialists such as urban planners, property developers, and computer engineers. However, little attention has been paid to understanding the perception of the actual users, wh...
Article
Two generic approaches exist to measuring the level of prefabrication (LoP) in construction. One is the ‘category’ approach to indicating which prefabrication type a building adopts. Another is the ‘index’ approach to measuring the ratio of prefabrication in the total construction volume. However, existing studies still face difficulty in understan...
Article
Some information technologies (ITs) are better adopted than others and even the same IT may be adopted differently even in similar organizations. Existing old-fashioned theories which focused on one or several of technical, managerial, personnel factors cannot fully explain the phenomenon. This paper proposes human-organization-technology (HOT) fit...
Article
Waste sorting is highly recommended for municipal solid waste (MSW) management. Increasingly, computer vision (CV), robotics, and other smart technologies are used for MSW sorting. Particularly, the field of CV-enabled waste sorting is experiencing an unprecedented explosion of academic research. However, little attention has been paid to understan...
Article
Inspection is a crucial construction process ensuring that building works and workers comply with prescribed codes, standards, and building progress. Traditional inspection is characterized by physical effort and onerous paperwork. The emergence of e-inspection 1.0 has meant the adoption of computerized means to ease the burden of paperwork, though...
Chapter
Design for Construction Waste Minimization (DfCWM) is a highly creative process to handle myriad information to accomplish a building design, meanwhile minimizing its potential waste generation. Building Information Modelling (BIM), with its widely propagated capabilities of visualizing and managing information, is promised to be an enabler for DfC...
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Timely and accurate recognition of construction waste (CW) composition can provide yardstick information for its subsequent management (e.g., segregation, determining proper disposal destination). Increasingly, smart technologies such as computer vision (CV), robotics, and artificial intelligence (AI) are deployed to automate waste composition reco...
Article
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Recognition of construction waste compositions using computer vision (CV) is increasingly explored to enable its subsequent management, e.g., determining chargeable levy at disposal facilities or waste sorting using robot arms. However, the applicability of existing CV-enabled construction waste recognition in real-life scenarios is limited by thei...
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Onsite assembly is a critical stage for modular construction. Its success or failure depends on accurate information sharing among numerous stakeholders who, unfortunately, often possess unsynchronized information. Owing to its decentralized consensus mechanism, blockchain has the potential to improve information-sharing accuracy on construction si...
Article
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The global rise of offsite construction has created a compelling need for more efficient information management. This paper reports the development of a nomenclature system for components to enable better information management in offsite construction projects in the digital era. Firstly, criteria for suitable names are derived from current constru...
Article
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Unlike their counterparts that are used for container or municipal solid waste hauling, or their peers of taxies and other commercial vehicles, construction waste hauling trucks (CWHTs) are heterogeneous in that they transport construction waste from construction sites to designated disposal facilities. Depending on the intensity of the constructio...
Article
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Quantifying truck-loaded materials is a problem in many industrial operations. In construction and demolition waste (CDW) management, inspectors at disposal facilities are often required to measure the amount of different waste components loaded by incoming trucks to determine admissibility. Due to the bulky and mixed nature of construction materia...
Article
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Configuring a trustworthy Internet of Things (IoT)-enabled building information modeling (BIM) platform (IBP) is significant for modular construction to ensure transparency, traceability, and immutability throughout its fragmented supply chain management. However, most current IBPs are designed adopting a centralized system architecture, which fail...
Article
Traditionally, construction managers were considered more experienced in project management than off-site production management, although the latter is gaining importance with the renaissance of modular construction worldwide. Various Internet of Things (IoT)-enabled Building Information Modelling (BIM) platforms have been developed to facilitate p...
Article
Many cross-knowledge domain tasks involving various professional backgrounds have been transferred from construction sites to factories in modular construction (MC). In MC, forming optimal work packages which can handle the complexity of product breakdown structures and dynamic project progress is critical for task planning and execution. However,...
Article
This research aims to develop a multi-criteria decision matrix (MCDM) for project management (PM) professionals, which will support blockchain type selection, evaluate blockchain platforms, and plan blockchain systems. The MCDM is substantiated through a case study that includes a questionnaire and an illustrative example pertinent to the construct...
Article
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Late payment, and indeed no payment, is a rampant and chronic problem that has plagued the global construction industry for too long. Recent development in blockchain technology, particularly its smart contract, seems to provide a new opportunity to improve this old problem. However, this opportunity is largely unexploited. This study aims to devel...
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The built environment closely relates to the development of COVID-19 and post-disaster recovery. Nevertheless, few studies examine its impacts on the recovery stage and corresponding urban development strategies. This study examines the built environment’s role in Wuhan’s recovery at the city block level through a natural experiment. We first aggre...
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Construction businesses expanding internationally often need to devise corporate social responsibility (CSR) as an indispensable component of their competitive strategies. Companies will customize their CSR programs to be in line with host countries’ institutional environments. Meanwhile, this customization will be unavoidably influenced by the ins...
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Indoor localization is critical for many smart applications in built environments such as service robot navigation and facility management. Building information models (BIMs) provide new streams of spatial and visual information about building interiors that can be exploited for robust indoor localization. However, previous localization methods tha...
Article
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The sluggish adoption of Building Information Modeling (BIM) is attributable to various technical, 4 managerial, personnel, procedural, and institutional issues encountered by an organization within which such 5 adoption takes place. However, these issues are under researched from a holistic perspective. Based on a 6 proposed human-organization-tec...
Conference Paper
A smart contract is a protocol that can self-execute when predefined conditions are met. This new technology is considered destructive and can transfer the construction industry. In Blockchain 2.0, the combined use of blockchain and smart contracts allows users to express business logic to achieve more advanced transactions. This research aims to c...
Conference Paper
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The COVID-19 pandemic has great impacts on the whole world. Construction industry is no exemption. However, to what extent has the pandemic influenced the construction industry has not been fully investigated. This paper aims to quantitatively analyze such impacts in Hong Kong and Singapore, which are two international cities high dependent on the...
Conference Paper
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To hold a prodigious opportunity of architectural design and prevent challenges in downstream processes, many concepts under the umbrella of Design for Excellence (DfX) have been emerged, e.g., Design for Manufacture and Assembly (DfMA) and Design for Construction Waste Minimization (DfCWM). In reality, numerous DfX concepts must be scrutinized and...
Conference Paper
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The advent of Building Information Model (BIM) has established a new paradigm of project management. BIM contains more and more information generated with the evolution of projects. Most of the information in BIM is organized in an object-oriented way. Thus, the unit of information management is every single component in BIM. The name of every comp...
Conference Paper
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A view is among the critical criteria in an architectural design process. Presently, it is assessed by conventional site observation, labour-intensive data collection, and manual data analysis before designing a building mass, plan, façade, openings, and interior space. City Information Model (CIM), with its capabilities to store, visualize, and an...
Conference Paper
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On-demand and real-time building information is of great value to support facility management. Such information can be easily retrieved from an up-to-date building information model (BIM), and then intuitively presented to facility managers or inspectors by augmented reality (AR). However, effective spatial registration into BIM so as to align the...
Article
Although construction waste consistently contributes the highest proportion of all solid waste landfilled, its collection and transportation has received little attention. This research conducts a case study of Hong Kong with the aim of unraveling the causes of ineffective construction waste management from a logistics perspective and developing st...
Conference Paper
The construction industry is encountering management issues, such as low efficiency, inadequate regulation and enforcement, absence of good coordination and knowledge sharing, and ineffective billing practices. Blockchain is also gaining momentum as a part of the digital transformation in the construction area and response to various challenges. Si...
Chapter
Full-text available
The United Nations Sustainable Development Goals (SDGs) are strenuously pursued around the globe. The architecture, engineering, and construction (AEC) industry has also attempted to develop its strategy for soft-landing these goals. Design for Manufacturing and Assembly (DfMA) presents enormous potentials for achieving sustainability in the AEC in...
Chapter
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The realization of Modular Construction (MC) is impeded by several barriers, e.g., initial investment, logistics constraints, and negative perception. Design, a profoundly creative process to alleviate difficulties in the built environment, is prospected to enhance this construction method. Under this circumstance, many guidelines, recommendations,...
Article
Solid waste generated from building renovation, called “renovation waste” in this study, represents a major waste management problem. A particular difficulty is sourcing renovation waste arising sporadically from discrete sites for central processing. This can be characterized as a “last mile” problem in renovation waste management (RWM). This stud...
Article
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[Free PDF until Oct 2021: https://authors.elsevier.com/c/1dbPQ,LlFPCdLK ] Reliable construction waste generation data is a prerequisite for any evidence-based waste management effort, but such data remains scarce in many developing economies owing to their rudimentary recording systems. By referring to several models proposed for estimating waste...
Chapter
Window view is an intimate medium between occupants and nature, especially in high-density cities like Hong Kong; and thus belongs to the quality of a house or apartment. In literature, researchers found that window views of nature are vital to the occupants’ physical and psychological health and productivity improvement. Understanding the view sit...
Chapter
The Hong Kong government has implemented the Construction Waste Disposal Charging Scheme since 2006 to promote construction waste recycling among contractors. Under the scheme, in addition to the conventional approach of disposing construction waste at landfills, contractors are given the alternative options of dumping pure inert waste and waste wi...
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Nowadays, building information modeling (BIM) plays a crucial role in project collaboration. BIM information should be freely exchanged among different stakeholders for the purpose of collaboration. With the development of Information and Communication Technology (ICT), there are many novel data exchange methods for BIM information exchange. Howeve...
Chapter
Blockchain can be regarded as a distributed database that records transaction data in a shared manner. This new technology is considered destructive and can transfer many data-driven industries, including construction. On the other hand, as one of the necessary measures to ensure quality, progress, and safety, construction inspection records still...
Chapter
Building Information modelling (BIM) is pervasively discussed and applied in the AEC/FM sector, however, its true adoption rate and quality are never ideal. This paper takes the human-organization-technology iron triangle as critical analysis lens of BIM adoption in construction project organizations. It systematically reviews the three vertexes (h...
Article
Trust has been acknowledged as an essential element of inter-organizational relationships, and it also affects the efficiency of work operations. Although the construction industry has been pursuing trust for a long time, trust is still lacking and fragile among stakeholders. Blockchain seems to provide a promising approach through which trust can...
Article
Blockchain technology has attracted the interest of the global construction industry for its potential to enhance the transparency, traceability, and immutability of construction data and enables collaboration and trust throughout the supply chain. However, such potential cannot be achieved without blockchain "oracles" needed to bridge the on-chain...
Article
In the era of big data, data is increasingly driving the construction waste management (CWM) for minimizing the impacts on the environment and recycling construction materials. However, missing data, led by various information barriers, often undermines the decision-making and hinders effective CWM. This paper applies aggregated behavior-based Mach...
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Recent technological advancements in geomatics and mobile sensing have led to various urban big data, such as Tencent Street View (TSV)photographs; yet, the urban objects in the big data have hitherto been inadequately exploited. This paper aims to propose a pedestrian analytics approach named Vectors of Uncountable and Countable objects for Cluste...
Article
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Interior design and construction (IDC) is a sophisticated and often prolonged process that delivers a building to occupation. Traditional practice is rather unproductive, involving the work of several different trades crowded in situ and delivered sequentially one after another. To enhance productivity in IDC, offsite practice is receiving increasi...
Article
[Free PDF: 🌐 https://authors.elsevier.com/c/1d6LZ14Z6thNxF 🌐] Estimating the composition of construction waste is crucial to the efficient operation of various waste management facilities, such as landfills, public fills, and sorting plants. However, this estimating task is often challenged by the desire of quickness and accuracy in real-life scena...
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Blockchain technology has been explored for governmental supervision of construction work (GSCW) due to its merits of traceability, immutability, and transparency. However, its decentralized nature is seemingly incompatible with GSCW, which is a type of centralized governance per se. This research aims to find a network topology with a proper level...
Article
[Free PDF: 🌐 https://authors.elsevier.com/c/1c~tz3IhXMpsEg 🌐] The rapidly expanding number of IoT-based camera devices makes smart work packaging (SWP) easier to access massive construction workers’ personal image information for occupational health and safety (OHS) status monitoring. SWP can then transmit these personal data to the cloud for train...
Article
[Free PDF: 🌐 https://authors.elsevier.com/c/1crUX3HVLKkr~9 🌐] Prefabrication has long been recognized as a green production technology to minimize construction's adverse environmental impacts such as waste, noise, dust, and air pollution. Previous studies reported the effects of prefabrication on construction waste minimization. However, these stu...
Article
[Free PDF: 🌐 https://authors.elsevier.com/c/1c~kG3IhXMpsBF 🌐] Tower crane scheduling is a classic conundrum. It is further complicated to prevent collisions and reduce idle transportation time among multiple overlapping tower cranes. Unlike previous research attempts, this study aims to provide an optimal solution to this multiple-crane service sch...
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Many vision‐based indoor localization methods require tedious and comprehensive pre‐mapping of built environments. This research proposes a mapping‐free approach to estimating indoor camera poses based on a 3D style‐transferred building information model (BIM) and photogrammetry technique. To address the cross‐domain gap between virtual 3D models a...
Chapter
This research is positioned in the growing need for Building Information Modelling (BIM) localization to effectively use global BIM resources in a locality. It focuses on BIM objects, which are not only the primary ‘building blocks’ of modelling but also the fundamental elements conveying the BIM information. The problem here is that BIM objects fr...
Chapter
The communication in construction project organizations, which is known for multi-disciplinary communication, has long drawn the attention from academia and the industry. However, the description of how such communication take place is still under exploration. This paper utilize the empirical data of a construction project lead by Hong Kong Housing...
Chapter
The term corporate social responsibility (CSR) has been intensely discussed across the world for over decades. Construction industry, however, is usually labeled as being relatively irresponsible for its adverse impacts on environment and relatively dangerous working condition on construction sites. The in-depth exploration of CSR issues has rarely...
Chapter
Opportunities in the international markets and Chinese government’s “one belt, one road” initiative drive Chinese construction companies to expand their business across nations’ borders. Operating in a more diversified environment indicates that they are faced with intensified pressures of stakeholders to conduct corporate social responsibility. Ho...
Chapter
Illegal dumping refers to the unauthorised disposal of waste in public or private land, which impacts on the surrounding environment. In literature, many studies on minor offences focused on qualitative methods such as questionnaire surveys, of which the findings might be confined to social expectation bias, small sample size, questionnaire design...
Chapter
With the rapid development of economy and society in the past two decades, China is confronted with unprecedented pressure from the public demanding for sustainability. Construction waste, as a chief culprit undermining the sustainability has received increasing attention. Construction waste issues in China are particularly severe due to the massiv...
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Construction waste contains inert (e.g., construction debris, rubble, earth, bitumen, and concrete) and non-inert materials (e.g., bamboo, plastics, wood, paper, and vegetation), while it is often a combination of the two when it is generated at source. The bulk density of construction waste is the yardstick information for many subsequent waste ma...
Article
By manufacturing housing products off-site and assembling on-site, modular construction can significantly improve the housing supply efficiency, particularly for high-density cities. However, off-site modular housing production (OMHP) supervision is currently problematic. The production parties are reluctant to provide detailed private data; Even w...
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The link between corporate social responsibility (CSR) and corporate financial performance (CFP) has been debated for several decades, resulting in a research shift from the CSR-CFP relationship to the mechanism of how to turn CSR into CFP. Nevertheless, such mechanism often appears as a “black box”, we only know that some moderators and mediators...
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There are various scenarios challenging human experts to judge the interior of something based on limited surface information. Likewise, at waste disposal facilities around the world, human inspectors are often challenged to gauge the composition of waste bulks to determine admissibility and chargeable levy. Manual approaches are laborious, hazardo...
Chapter
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Although the value of 3D point cloud data (PCD) has been increasingly recognized by the architectural, engineering, construction and facility operations (AECO) sectors, there is much less actual application of PCD in facility management (FM) than other stages. In order to facilitate the exploration of using PCD for FM, this study aims to summarize...