Long Le-Hoai

Ho Chi Minh City University of Technology (HCMUT) | HCMUT · Department of Construction Engineering and Management

Although flexible pavement is commonly used in the world, there are calls for considering rigid pavement due to the long-term environmental, economic, and social benefits it may provide. Evaluating the use of rigid pavement in addition to flexible pavement is especially important for the emerging economies which are seeking for the reconciliation b...

The quantification of project time variations is important to project execution. However, so far, there has been still a lack of studies that focus on specific project schedules. Using structured and semi-structured interviews with contractors, this study develops a process in the planning phase of risk responses, which could help to assess the lev...

Together with the whole country, the construction industry in the Mekong Delta region (in the South of Vietnam) is developing very fast. However, this region faces more difficult challenges in attracting qualified labor forces than other areas. To meet the region’s needs, there should be coordination between management units, training units, invest...

The introduction of Heritage Building Information Modeling (HBIM) and 3D laser digitization is seen as a steppingstone toward heritage conservation and enhancing the intangible value of cities worldwide. However, the limit on experience labors, equipment investment budget, and the concealment of firms in a competitive field constrain the approach t...

Time cost and quality are three important factors in planning and controlling construction projects. Getting these factors in balance, which minimizes the project duration, the total project cost, and maximizes the total quality could define the success of a construction project. Aside from planning and estimating the project properly, a considerat...

Tourism real estate (TRE) projects have recently attracted authorities and investors because of the increasing travel demand. However, implementing TRE projects still poses many potential risks, especially legal risks, due to their distinctive and complex characteristics. This study is among the first attempts to investigate legal risks in TRE proj...

The construction industry should seek to enrich its workforces due to the increasing lack of trained and skilled employees. This study attempts to investigate the relationship between encouragement-based management mechanism (EMM) and manpower development (MD) in construction firms and examine the moderating effect of firm size on this relationship...

In addition to the sustainable development of coastal areas, the success of local corporations investing in coastal urban projects is significantly affected by severe sea level rises and extreme disasters. Investment companies should plan which objectives need to target to reduce uncertainty in the early project stages, track project execution, and...

Partnering has been applied in the Vietnamese construction industry for several recent years, due to many new challenges emanating from the global integration and economic booming. This paper focuses on critical success factors (CSFs) for partnering in the Vietnamese construction industry. Using mean score method, this paper identifies six key CSFs...

Like other developing countries, Vietnam has a very complicated construction industry. There are frequent problems of inadequacies of design documentation, legal framework, as well as unexpected site conditions most likely happen. Moreover, numerous different parties involved in construction projects can result in a high risk of changes, which if n...

Information and communication technology (ICT) plays a vital role in the business operations of construction companies. This paper presents the current application of ICT in Vietnamese construction companies. Using a semi-structured questionnaire, 17 representatives from small-to-large construction companies in Vietnam are interviewed. In general,...

Partnering has been recommended as an innovative arrangement to avoid adversarial relations and orient participants towards a win-win attitude in construction projects. Although it has been widely applied in many countries’ construction activities in recent decades, the concept is relatively new to practitioners in the Vietnamese construction indus...

The urban development projects in coastal areas could help to connect the city to the coast that attractive to investors. Large-scale urban projects have been used as vehicles to promote a certain direction of urban transformation. However, the sea level rise will have intense impacts on coastal environments, ecosystems and human settlements. There...

Purpose This study aims to develop a strategic framework for the success of coastal urban projects in Vietnam, which is one of the Asia Pacific countries significantly affected by climate change. Design/methodology/approach A questionnaire was used to collect data from practitioners in Vietnam. Principal component analysis (PCA) technique was used...

Understanding the individual characteristics of an engineer in which personality traits contribute to the efficient use of human resources is important. This study was conducted to determine the distribution of personality traits of construction engineers and the differences in personality in their engineering careers. Data were collected using the...

Good organizational performance of project-based firms (e.g. consultants and contractors) could significantly contribute to the development of the construction industry in many developing countries. This study mainly aims to link knowledge enabling factors (KEFs) to various organizational performance outcomes (OPOs) of project-based firms. Through...

Purpose The purpose of this paper is to predict implementation cost contingencies for residential construction projects in flood-prone areas, where floods with storms frequently cause serious damage and problems for people. Design/methodology/approach Expert interviews are conducted to identify the study variables. Based on bills of quantities a...

Purpose This study aims to relate knowledge creation factors (KCFs) to construction organizations’ effectiveness, which can be measured by different effectiveness outcomes (EOs). Design/methodology/approach Data with regard to KCFs and EOs are collected from construction organizations in Vietnam using a survey questionnaire. Regression analysis...

Project complexity is a contributing factor to project performance. Understanding how project complexity interacts with management actions and project performance is imperative. This study fills this knowledge gap by empirically exploring the relationship between construction project complexity and project performance and their interaction with res...

Purpose The purpose of this paper is to develop several predictive models for estimating the structural construction cost and establish range estimation for the structural construction cost using design information available in early stages of residential building projects. Design/methodology/approach Information about residential building proje...

This study mainly aims to assess the current condition of claim causes against contractors in Vietnam-based construction projects. A questionnaire, which consists of 73 claim causes, is designed for data collection. Project-specific data with regard to the frequency and severity of 73 claim causes are collected from practitioners through conducting...

Purpose This study aims to identify key knowledge enabling factors (KEFs) which can enable construction companies to improve various organizational effectiveness outcomes (OEOs). Design/methodology/approach Using a questionnaire, data are collected from construction companies in Vietnam. Mean score method is used to calculate the mean values of...

The slow development of green building (GB) practices in emerging economies has resulted in these countries remaining dominated by uncertified conventional buildings, which has caused negative environmental impacts (e.g., energy consumption and pollution). Using a mixed-research method, this study examined the interactive effect of participants’ ch...

Purpose The purpose of this paper is to identify risk patterns of road and bridge projects in Vietnam, where the construction market is emerging but attractive to construction organizations, especially foreign companies. Design/methodology/approach Using a questionnaire, experienced practitioners of various contractors were interviewed to collect...

Unlike it is in the developed world, green buildings (GBs) have been a relatively new concept in emerging markets. In Vietnam for example, local green building rating systems, such as LOTUS was first released in 2010 by Vietnam Green Building Council (VGBC); and Excellence in Design for Greater Efficiencies (EDGE) was introduced in 2015 is still li...

Purpose – Design-build (DB) has become widely prosperous in recent years. This new approach could be applicable to construction projects in either developed or developing countries. However, the implementation process of DB in Vietnam encounters difficulties due to the unfamiliarity and inexperience with the approach. This study aims to identify th...

Project Management Consultant (PMC) plays a vital role in the overall performance of any project. Selecting right PMC for right project is the most crucial challenge for any construction owner. Thus, PMC selection is one of the main decisions made by owners at the early phase of construction project. It is not easy for the project owner to select a...

Transportation projects are increasingly complex. A systematic approach for measuring and evaluating complexity in transportation projects is imperative. Thirty six project complexity factors were identified specifically for transportation construction. Using factor analysis, this study deduced the six components of project complexity, namely socio...

Time performance is one of the most important aspects to be benchmarked in project management. Many factors arise during the project implementation process affecting the project time. Identifying the problems that are significant to executing construction schedule and incorporating them into a comprehensive model will be useful in project managemen...

Design-build (D&B) has been broadly perceived as an effective project delivery method and become popular in the world. However, the implementation process of this innovative procurement method in Vietnam encounters difficulties due mainly to unfamiliarity and inexperience with the approach. Critical success factors (CSFs) which could be used to enh...

Partnering concept has been mentioned as an innovative arrangement that helps to reduce many of the disadvantages of the traditional arrangement. Partnering in construction has been widely applied in Vietnam from late 1990s. The application of the new has arrangement spread thanks to anecdotal proofs. This concept is quite new to Vietnamese practit...

Partnering in construction industry has been prosperous in recent years. This new approach has been proved applicable to construction projects in Vietnam and other developing countries; however, many problems have emerged during partnering implementation process. This paper has identified some prominent problematic issues of partnering in Vietnam c...

Traditional procurement methods have revealed many disadvantages especially the adversarial relationship between parties. After several decades of application, partnering has shown that it is an innovative arrangement that help to reduce many problems having existed in traditional arrangement. It can provide a win-win working attitude in a construc...

8-node quarter-point element was adjusted to satisfy: the coefficient of linear term in the distance to the tip must vanish. In this paper, we will compare this modified element with a broadly used element – collapsed 8-node quarter-point (CQ8) element. We employed the Displacement Correlation Technique to assess the stress intensity factors (SIFs)...

Purpose Time is an important factor in any project, especially in construction projects. Although using detailed scheduling techniques is unavoidable, a model to predict or benchmark time performance has interested many researchers. For an exploratory purpose, this paper aims to investigate the time‐cost relationship proposed by Bromilow with data...

Bromilow's time-cost (BTC) relationship was examined for building projects in Vietnam using actual construction time and total construction cost. Data set was collected from 77 historical building construction projects completed between 1999 and 2005 which were adjusted by consumer price index (CPI) to 2000 price. Time-cost equations were specified...

In-planned duration and cost at project closing are the two of criteria of successful project and successful project management. In Vietnam, regularly, construction projects have met delays and cost overruns. This research has employed a questionnaire survey to elicit the causes of this situation by interviewing 87 Vietnamese construction experts....