摘要:成本问题是目前限制装配式建筑发展的主要问题，设计、采购及施工一体化的EPC模式具有信息化、集成化及专业化的特点，为装配式建筑项目管理和成本控制提供了方向。本文基于装配式建筑成本方面尚存的问题，从EPC的角度出发，探究了影响装配式混凝土预制构件成本的问题，利用扎根理论得到14个具有代表性的影响因素，构建ISM模型，论述各成本因素之间的相互关系，包括深层导向、中间层动力以及表层直接因素等。在此基础上。通过MICMAC方法论，阐述了成本因素的驱动力与依赖性因素，得到因素间的内在联系。最后提出针对性的对策建议，为促进装配式建筑发展提供方向。

Abstract: At present, the cost problem is the main concern that restricts the development of assembled prefabricated buildings. With the integration of design, procurement and construction, the EPC mode has the characteristics of informatization, integration and specialization, which provides a direction for the project management and cost control of prefabricated buildings. Considering the increasing needs of prefabricated buildings and solving its cost problem, this paper studies the cost influencing factors of prefabricated building components from the perspective of EPC and according to the characteristics of prefabricated concrete buildings. Through the basic theory, this paper obtains 14 representative influencing factors and establishes ISM model to analyze the relationship between cost factors and obtain the surface direct factors, intermediate dynamic factors and deep leading factors affecting the cost. In this paper, the method MICMAC is used to analyze the dependency and driving force of cost factors and get the inner relationship between the factors is obtained. Finally, targeted suggestions are made to the above issues to provide direction for promoting prefabricated buildings.