Concrete Formwork Systems

Hanna, Awad S.

doi:10.1201/9780203909690

Cited by 54 publications

(55 citation statements)

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“…That is, formwork represents 40∼60 % of structure work in terms of cost and about 10 % of total construction cost, showing high percentage as a single work [3]. In addition, the formwork is an important factor that determines the cycle per floor of tall building construction.…”

Section: Purposementioning

confidence: 99%

Formwork System Selection Model for Tall Building Construction Using the Adaboost Algorithm

Shin¹

2011

Journal of the Korea Institute of Building Construction

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In a tall building construction with reinforced concrete structures, the selection of an appropriate formwork system is a crucial factor for the success of the project. Thus, selecting an appropriate formwork system affects the entire construction duration and cost, as well as subsequent construction activities. However, in practice, the selection of an appropriate formwork system has depended mainly on the intuitive and subjective opinion of working-level employees with restricted experience. Therefore, in this study, a formwork system selection model using the Adaboost algorithm is proposed to support the selection of a formwork system that is suitable for the construction site conditions. To validate the applicability of the proposed model, the selection models Adaboost and ANN were both applied to actual case data of tall building construction in Korea. The Adaboost model showed slightly better accuracy than that of the ANN model. The Adaboost model can assist engineers to determine the appropriate formwork system at the inception of future projects.

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Section: Purposementioning

confidence: 99%

Formwork System Selection Model for Tall Building Construction Using the Adaboost Algorithm

Shin¹

2011

Journal of the Korea Institute of Building Construction

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“…In this study, factors for selecting a horizontal formwork system were determined by reviewing the previous research [1,14] and interviewing engineers experienced in formwork in Korea. As a result, 6 factors for selecting the slab formwork system were determined, and are shown in Table 1.…”

Section: Data Collectionmentioning

confidence: 99%

“…Formwork operations account for a large portion of the cost of the building structure, representing 40∼60% of the cost of the concrete framework and 10% of the total building cost [1]. Moreover, formwork has an important role in the cycle times per floor in the building construction project.…”

Section: Introductionmentioning

confidence: 99%

Decision Support Model Using the AdaBoost Algorithm to Select Formwork Systems in High-Rise Building Construction

Shin¹,

Kim²,

Yang³

et al. 2008

ISARC 2008 - Proceedings From the 25th International Symposium on Automation and Robotics in Construction

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Appropriate selection of a formwork system is a crucial factor in successfully completing any high-rise building construction project. However, in practice, the selection of an appropriate formwork system has depended mainly on the intuitive and subjective opinion of practitioners with restricted experience. Therefore, in this study, a decision support model using AdaBoost is proposed to select a formwork system suitable for the construction site conditions. To validate the proposed model, the selection models AdaBoost and ANN were both applied to actual case data of high-rise building construction in Korea. The AdaBoost model showed slightly better accuracy than that of the ANN model. The AdaBoost model can assist engineers to determine the appropriate formwork system at the inception of future projects. 645KEYWORDS formwork system, adaptive boosting (AdaBoost), artificial neural network (ANN), decision support model, high-rise building

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“…roughing, finishing and tolerances, designers can benefit from NC simulation, before the mold is manufactured. In the case of formworks, for example for casting concrete [21,22], the designer can use forming technologies to create the mold, including multi-curved surfaces, from the computer model.…”

Section: ) Casting Of Concrete -Molding Of Metal and Plasticmentioning

confidence: 99%

Computer-Integrated Construction: Background and a Case Project

Caneparo¹

2005

Proceedings of the 22nd International Symposium on Automation and Robotics in Construction

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Abstract-Computer-Integrated Construction (CIC) is the capability of a computer system to create models of certain aspects of the design and construction processes and consequently to direct them into reality.The premise of CIC is that the clear-cut separation between the competencies, know-how and responsibilities has now been turned upside down by the introduction of information technology in the design and construction processes. The designers can now model the physical, technological, and organisational aspects of a building or infrastructure in a seamless way. And they can do so rather creatively.The model of the physical system provides the designer an intuitive understanding and appreciation of static and dynamic interaction between the building and its environment early during design.The model of the technological system opens the capability to precisely model the building parts "as-constructed" by means of quantitative and qualitative-visual evaluation before any manufacturing process really takes place. The paper briefly introduces CIC in four construction technologies, respectively concrete, stone, wood and steel.The model of the construction organization is the process of configuring an organisational structure to accomplish a given high-level task while attempting to satisfy stated performance objectives. An organization model represents people supported by information-processing and communication tools.The CIC implementation and on-field experimentation is considered in a case project.

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Concrete Formwork Systems

Cited by 54 publications

References 0 publications

Formwork System Selection Model for Tall Building Construction Using the Adaboost Algorithm

Formwork System Selection Model for Tall Building Construction Using the Adaboost Algorithm

Decision Support Model Using the AdaBoost Algorithm to Select Formwork Systems in High-Rise Building Construction

Computer-Integrated Construction: Background and a Case Project

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