Analysis on the hidden cost of prefabricated buildings based on FISM-BN

Abstract

Facing the pressure of environment, sustainable development is the demand of the current construction industry development. Prefabricated construction technologies has been actively promoted in China. Cost has always been one of the important factors in the development of prefabricated buildings. The hidden cost of prefabricated buildings has a great impact on the total cost of the project, and it exists in the whole process of building construction. In this paper innovatively studies the cost of prefabricated buildings from the perspective of hidden cost. In order to analysis the hidden cost of prefabricated buildings, the influencing factor index system in terms of design, management, technology, policy and environment has been established, which includes 13 factors in total. And the hidden cost analysis model has been proposed based on FISM-BN, this model combines fuzzy interpretive structure model(FISM) with Bayesian network(BN). This model can comprehensively analyze the hidden cost through the combination of qualitative and quantitative methods. And the analysis process is dynamic, not fixed at a certain point in time to analyze the cost. We can get the internal logical relationship among the influencing factors of the hidden cost, and present it in the form of intuitive chart by FISM-BN. Furthermore the model could not only predict the probability of the hidden cost of prefabricated buildings and realize in-time control through causal reasoning, but also predict the posterior probability of other influencing factors through diagnostic reasoning when the hidden cost occurs and find out the key factors that lead to the hidden cost. Then the final influencing factors are determined after one by one check. Finally, the model is demonstrated on the hidden cost analysis of prefabricated buildings the probability of recessive cost is 26%. In the analysis and control of the hidden cost of prefabricated buildings, scientific and effective decision-making and reference opinions are provided for managers.

Influence of Various Earth-Retaining Walls on the Dynamic Response Comparison Based on 3D Modeling

“…The needed parts are finished early, according to the building plan, which cuts down on the time needed for construction. The prefabricated buildings can cut the time to build by about 30% compared to standard cast-in-place building projects of the same size and the prefabricated concrete housing projects with a prefabricated rate of about 50% [58].…”

Analysis on Dynamic Evolution of the Cost Risk of Prefabricated Building Based on DBN

“…(1) Based on WSR theory, factors are classified according to Wuli-Shili-Renli theory, to obtain the initial influencing factors. (2) In accordance with analysis of cost risk indicators in relevant literature [35][36][37][38][39][40][41], and characteristics of prefabricated buildings, this study summarizes cost risk factors on the basis of actual investigations on construction site, initially forming the cost risk factors of prefabricated buildings, as shown in Table 1. In the design stage, the design institution has few workers with the design experience of prefabricated architectural design.…”

Impact Evaluation of Prefabricated Buildings Cost on Game Theory‐Cloud Model

“…Key research points Research method [8] From the perspective of hidden cost, an index system of influencing factors of prefabricated buildings cost from five dimensions of design, management, technology, policy, and environment is established, including 13 factors. And the hidden cost analysis model has been proposed based on FISM-BN; this model combines a fuzzy interpretive structure model (FISM) with a Bayesian network(BN).…”

“…At present, domestic and foreign scholars have some research results on the cost of prefabricated buildings, as shown in Table 1. Peng et al [8] studied the cost of prefabricated buildings from the perspective of hidden cost by using the fuzzy interpretive structure model (FISM) and Bayesian network (BN) and found out the key factors leading to hidden cost. Chang and Zhang [9] analyzed the main problems existing in assembly parts production using the strategic planning table method and putting forward corresponding control countermeasures.…”