The precast concrete building technology system shall meet the requirements of standardized design, factory production, precast construction, integrated decoration, information management and intelligent application.

Integrated construction 8.

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1.0.3 The development of precast concrete buildings shall follow the principles of applicability, economy, green, safety and beauty.

General 2.

The standardized design of precast residential buildings should comply with the following principles: 1.

2.2.3 Plane standardization 1 The plane of precast residential buildings shall be regular, the shape of the building shall be controlled reasonably, and shall comply with the relevant provisions of the current national standard Code for Seismic Design of Buildings (GB50011), as well as the national requirements for energy conservation, emission reduction and environmental protection in engineering construction.

Appendix: Guidelines for the Development of Fabricated Concrete Building Technology System (Residential Buildings) The full text of the following Guidelines for the Development of Fabricated Concrete Building Technology System (Residential Buildings) issued by the Ministry of Housing and Urban Rural Development on July 4, 2019 is divided into eight chapters, The following are included: 1.

The component parts can be positioned by using the centerline positioning method, interface positioning method or the method that the centerline and interface positioning methods are mixed.

2.1.3 The standardized design concept shall run through the whole process of precast building construction.

Interior decoration system 6.

Standardized and universal interface technology shall be adopted for parts to achieve interchangeability.

The interface shall have the functions of tolerance adjustment and fault tolerance.

1.0.4 This Development Guide focuses on guiding the standardization, generalization and serialization development of parts and components, leads the building system integration with modular design method, and promotes integrated construction and information management based on BIM technology and EPC mode.

It should meet the requirements of urban planning and coordinate with local industrial resources and the surrounding environment.

4 The unit module of the residential building is composed of the housing module and the core tube module.

3 Modular coordination shall adjust the size relationship between the building and the component parts by using the modular number series.

3 The modules shall be designed in a refined way, and serialization shall be considered.

They are integrated by adopting appropriate assembly technology through standardized interfaces and nodes of parts and components through modular coordination and module combination.

4.

General 1.0.1 is to implement the national technical and economic policies during the construction of precast concrete buildings, and to put the standardization concept through the whole process of design, production, transportation, construction, installation, operation and maintenance, This Development Guide is formulated to guide the standardization of components, promote the establishment and improvement of the technical system, and improve the construction level of precast concrete buildings.

Equipment and pipeline system 7.

2 Precast residential buildings should give priority to large bay and deep layout to improve the flexibility and variability of space use and meet the needs of residents for space diversification.

2 Building integration 2.1 General provisions 2.1.1 Assembled buildings are composed of four systems: structure, peripheral protection, interior decoration, equipment and pipeline.

On the basis of standardized design, realize the diversification of facade forms..

Structural system 4.

2 Interface positioning method should be adopted for functional space.

6 The core tube module is mainly composed of stairwell, elevator shaft, vestibule, public walkway, waiting hall, equipment pipe shaft, pressurized air supply shaft and other functions, which shall be standardized according to the use needs.

Appropriate space priority size shall be provided according to the use demand.

gov.cn) and published by China Construction Industry Press.

1.0.2 The precast concrete building technology system is a complete set of technology integration aimed at the construction of precast concrete buildings, covering the series of components and their integration technologies of four systems: structure, peripheral protection, interior decoration, equipment and pipeline.

The module shall be established according to different functions and meet the requirements of functionality and universality.

The 5 sets of modules are composed of living room (hall), bedroom, lobby, dining room, kitchen, toilet, storage and balcony and other functional modules.

71), guide the development of precast concrete residential building technology system in depth, and further promote the industrialization of precast buildings, We have organized the preparation of the Guidelines for the Development of Fabricated Concrete Building Technology System (Residential Buildings), which is hereby released.

2.1.2 The design of precast buildings shall adopt the method of whole process and coordination of all disciplines.

The announcement of the Ministry of Housing and Urban Rural Development on issuing the Guidelines for the Development of Fabricated Concrete Building Technology System (Residential Buildings) is to implement the Guiding Opinions of the General Office of the State Council on Vigorously Developing Fabricated Buildings (GBF [2016] No.

2.2.4 Facade standardization 1 The facade design of precast buildings should reflect the characteristics of factory production, precast construction and simple and regular outer enclosure structure.

2.2.2 Module and module combination 1 The design of precast residential buildings shall meet the diversified residential needs of users, and the design method of module and module combination shall be adopted.

2 The module is composed of standardized parts and components through standardized interfaces.

2 On the basis of modular coordination, the principle of less specifications and more combinations should be followed, focusing on standardized design of parts and components, improving the reuse rate of production molds and reducing costs.

3 The residential buildings shall be combined with functional modules such as apartment type and core tube to achieve standardized design.

Main standards and specifications referenced in the information management appendix 1.

This guide is published on the portal website of the Ministry of Housing and Urban Rural Development (www.mohurd.

Exterior enclosure system 5.

The modules of the same series shall have certain logic and derivative relationships, and a unified standardized interface shall be reserved.

Building integration 3.

2.2 Standardized design 2.2.1 Modular coordination 1 The modular coordination method shall be adopted for the standardized design of precast buildings, which shall comply with the relevant provisions of the current national standard Standard for Modular Coordination of Buildings GB/T50002.