Abstract
Prefabricated building is an efficient building mode. Compared with the traditional building mode, the prefabricated building has advantages of less pollution, high construction efficiency, being more labor-saving, and economy, which is in line with China’s sustainable development strategy. This paper proposes a supplier selection evaluation model based on the mechanism equation model (SEM) and intuitionistic fuzzy analytic hierarchy process (IFAHP). Based on a detailed literature review, 300 structured questionnaires were distributed to the relevant enterprises, and an evaluation index system of prefabricated building element suppliers was built. With the fitting and modification process using a structural equation model, and assist of a path factor, an evaluation index system for evaluating the prefabricated building element suppliers was finally obtained. Finally, the intuitionistic fuzzy analytic hierarchy process was used to establish a selection model of prefabricated element suppliers, and the prefabricated element suppliers of Shuangyashan prefabricated construction projects were analyzed as a case study. The results show that the following factors have the most significant impact on supplier selection (from high to low): quality, economy, long-term cooperation, after-sales, and transportation. This study had a comprehensive consideration of the influencing factors existing in the whole selection process and should provide a valuable reference for the sustainable development of prefabricated construction engineering.
Highlights
Prefabricated buildings can be traced back to 1940, which refers to buildings built with elements produced in the component production factory and delivered and assembled at the construction site [1]
Structural equation modeling (SEM) is a statistical method used to analyze the relationship between variables based on the covariance matrix of variables [38], which is an important tool for multivariate data analysis
The measurement model refers to the relationship between indexes and latent variables [39], while the structural model refers to the relationship between the latent variables after standardized correction
Summary
Prefabricated buildings can be traced back to 1940, which refers to buildings built with elements produced in the component production factory and delivered and assembled at the construction site [1]. Structural equation modeling (SEM) is a statistical method used to analyze the relationship between variables based on the covariance matrix of variables [38], which is an important tool for multivariate data analysis. A common point in establishing an evaluation index system in these fields is that each index in these index systems cannot be measured intuitively and accurately These qualitative indexes are called latent variables, such as personnel intelligence, work motivation, social environment impact, and so on. We will apply an intuitionistic fuzzy analytic hierarchy to establish a selection following chapters, we will apply an intuitionistic fuzzy analytic hierarchy to establish a and evaluation model for the use of selecting the prefabricated building element suppliers. Selection and evaluation model for the use of selecting the prefabricated building element. The traditional fuzzy set only considers membership, while the intuitionistic put forward the intuitionistic fuzzy set theory based on the traditional fuzzy set theory in fuzzy set considers membership grade, non-membership grade, and hesitation at the same
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