China’s precast building industry has finally ushered in a new period of rapid development.

01 initial stage: in the 1950s, the development of China’s construction industrialization began in the 1950s.

New development stage of precast slab school 04 collapsed in Tangshan earthquake: since 2008, with the continuous progress of Building Science in China, seismic technology has made great progress, laying a foundation for the development of precast buildings.

Since 2014, the central government and governments all over the country have issued relevant documents to clearly promote building industrialization and formed various forms of precast building technologies such as precast shear wall structure, precast frame structure and precast steel structure.

In 2016, the Ministry of housing and urban rural development held a national assembly building work site meeting in Shanghai.

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Source: Source: excerpted from the latest book “design and deepening drawing of precast concrete buildings”, long pays attention to the development promotion platform of Shanghai precast buildings according to the QR code.

By the end of 1980s, tens of thousands of precast component factories had been formed in China, with an annual output of 25 million square meters.

Beijing has introduced the precast large plate housing system from Eastern Europe, with a construction area of 700000 square meters.

Strive to use about 10 years to make the proportion of precast buildings in the new construction area reach 30%.

The 03 low tide stage of Qiansanmen residential area in Beijing built in 1976: after the Tangshan earthquake in the late 1980s, the brick concrete structure houses with precast slabs and precast single-storey industrial plants were seriously damaged in the Tangshan earthquake, which aroused people’s concern about the seismic performance of the precast system and greatly reduced the number of precast buildings; Leakage, poor sound insulation and poor thermal insulation of large slab residential buildings.

In March 2017, the Ministry of housing and urban rural development printed and distributed the action plan for precast buildings in the 13th five year plan, the measures for the management of precast building demonstration cities and the measures for the management of precast building industrial bases at one time to comprehensively promote the development of precast buildings.

At the same time, the gradual disappearance of China’s demographic dividend and the reduction of the number of migrant workers in the construction industry have greatly increased China’s labor cost, realized construction industrialization and reduced production cost, which has gradually attracted the attention of construction enterprises.

At the same time, with the gradual diversification and personalization of architectural design in China, the popularization of all kinds of formwork and scaffold and commercial concrete, the cast-in-situ concrete structure has been widely popularized and applied.

In the first five year plan, it was proposed to learn from the experience of the Soviet Union and Eastern European countries and promote standardized, industrialized and mechanized precast components and precast buildings in China.

The application of precast buildings has been widely promoted.

In 1959, the precast frame shear wall structure was adopted for the first time in Beijing National Hotel.

With the deepening of the national attention to the concept of Digital China and green building, the form of architectural development is also changing.

It is required to adhere to standardized design, industrialized production, assembly construction, integrated decoration, information management and intelligent application, and promote the innovation of construction mode.

Therefore, comprehensively promoting the development of precast buildings has become the top priority of the construction industry.

The concept of building a city is not only pursuing modernization, but also paying more attention to green color, environmental protection, humanities, wisdom and livability, Precast buildings have the characteristics of green construction, environmental protection and high efficiency.

02 sustainable development stage: from the 1960s to the early 1980s, a variety of concrete precast building systems developed rapidly, including prestressed concrete circular perforated slab and prestressed hollow slab.

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Opinions of the general office of the State Council on promoting the sustainable and healthy development of the construction industry in February 2017.