Development of an Advanced Composite System Form for Constructability Improvement Through a Design for Six Sigma Process

Lee, Dongmin; Kim, Tae-Hoon; Lee, Dong‐Youn; Lim, Hyunsu; Cho, Hunhee; Kang, Kyung-In

doi:10.3846/jcem.2020.12188

Cited by 3 publications

(4 citation statements)

References 24 publications

(26 reference statements)

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“…Formwork may be the most critical factor in RC construction, accounting for up to 60% of the unit cost of the RC structure [25] and up to 15% of the entire construction cost [104]. As various FWSs have different characteristics (e.g., FWS weight, FWS size), the selected FWS may affect labour productivity and labour cost [105]. Furthermore, the early involvement of the FWF in the FWS supply chain and local logistical support from the FWF can shorten delivery times and save transportation costs [86].…”

Section: Discussionmentioning

confidence: 99%

Formwork System Selection Criteria for Building Construction Projects: A Structural Equation Modelling Approach

2022

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Selecting the appropriate formwork system (FWS) is a critical aspect in the successful completion of reinforced concrete (RC) building construction projects. The selected FWS has a significant impact on the cost, time, and quality performances of the project. As there are many FWSs and formwork fabricators (FWFs) available, the selection of the FWS depends on several compromising and conflicting criteria. This study aims to identify the FWS selection criteria groupings (e.g., latent factors) and investigate the quantitative interrelationships among them. For this purpose, 35 FWS selection criteria were identified through literature review, and a questionnaire was developed. The data from the questionnaire were statistically analyzed, and five latent factors were identified: FWS-FWF characteristics, structural design, local conditions, cost, and performance indicators. A conceptual framework was developed based on the latent factors, and a structural equation modelling (SEM) approach was utilized to identify the effects among the latent factors. The results of the SEM approach confirmed that FWS-FWF characteristics are affected by the structural design and local conditions and FWS-FWF characteristics have a substantial effect on cost and the performance indicators of the project. The findings of this study may assist construction professionals in selecting the FWS in building construction projects.

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Section: Discussionmentioning

confidence: 99%

Formwork System Selection Criteria for Building Construction Projects: A Structural Equation Modelling Approach

2022

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“…Moon et al [40] established a methodology to provide design alternatives for temporary construction in VE by integrating the problem-solving principles of TRIZ. Lee et al [41] integrated TRIZ and quality function deployment to develop an advanced composite material-based concrete formwork with improved constructability. Such TRIZ-related methods escape from traditional processes-based approaches and generate innovative solutions based on global human intelligence, generally from the public patent databases.…”

Section: Triz and Contradictionmentioning

confidence: 99%

A Novel Development of TRIZ‐Analogic Construction Interface Problem Identification and Solutions Framework

Leu

Yang

Hsu³

2021

Advances in Civil Engineering

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One of the critical factors of project success is the interface management. Past project interface management mainly relies on knowledge and experience of the project managers. The existing studies of project interface management also mainly focused on the definition and the classification of project interfaces. There is no workable and flexible framework for construction interface problem identification and solutions. This study conducted an analogic study of contradiction matrix at Theory of Inventive Problem Solving (TRIZ) to develop such a framework. This research collected around six hundred interface management cases from civil works and building projects. For comparison, this research defined an experimental group (TRIZ case) and a control group (experience-oriented solution case) based on the concept of clinical experiments in medical science to evaluate and improve the rationality of the matrix. Subsequently, based upon the theory of information retrieval (IR), this research conducted statistical evaluation and TRIZ features remedies to develop generalized construction interface problem identification and solutions. For solving project management interface problems, the TRIZ-analogic construction interface problem identification and solutions framework provides a systematic approach to develop more robust solutions for interface problems in construction engineering rather than just simply relying on intuitive experience.

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“…To derive the user requirements, interviews were first conducted with two supervisors of two high-rise building construction projects, four heads of formwork companies, and six experts in system formwork on-site. A detailed interview process is shown in the author's previous work [19,20]. The results of these interviews are summarized in Table 3.…”

Section: User Requirements (Performance Goal)mentioning

confidence: 99%

“…A concrete form should endure concrete pressure, live load, and dead load; thus, during concrete casting, there are constraints in mechanical properties to avoid accidents caused by deflection. In addition, from previous research by the author [19,20], there are functional and physical requirements as well for a concrete form. If a material does not satisfy the requirements for each component (i.e., outer frame, inner frame, and panel), it is excluded from the list of alternative materials.…”

Section: Constraintsmentioning

confidence: 99%

Analytic Hierarchy Process-Based Construction Material Selection for Performance Improvement of Building Construction: The Case of a Concrete System Form

Lee

Lee²,

Kim

et al. 2020

Materials

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Selecting the best materials that ensure maximum performance is crucial in the construction engineering design of any construction project. However, this is challenging and usually not properly considered because of the lack of systematic and scientific evaluation methods for the performance of materials. This paper proposes a new approach of selecting material to satisfy the performance goal of material designers in building constructions based on the analytic hierarchy process method. To validate the suggested model, a case study was conducted for a concrete system form, the performance of which is susceptible to its materials and has a strong effect on overall project productivity. The newly developed form comprising polymers and alloys showed that the proposed material selection model provided a better combination of materials, and the solution was technically more advanced and ensured better performance. This paper contributes to the body of knowledge by expanding the understanding of how construction material properties affect project performance and provides a guideline for material engineers to select the best-performing building materials while considering a performance goal.

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Development of an Advanced Composite System Form for Constructability Improvement Through a Design for Six Sigma Process

Cited by 3 publications

References 24 publications

Formwork System Selection Criteria for Building Construction Projects: A Structural Equation Modelling Approach

Formwork System Selection Criteria for Building Construction Projects: A Structural Equation Modelling Approach

A Novel Development of TRIZ‐Analogic Construction Interface Problem Identification and Solutions Framework

Analytic Hierarchy Process-Based Construction Material Selection for Performance Improvement of Building Construction: The Case of a Concrete System Form

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