Prefabricated concrete members (PC members) are concrete parts of buildings or structures that have been prefabricated and manufactured in specialized factories. The main types of Guolong PC components are prefabricated shear walls, prefabricated interior wall panels, Prefabricated exterior wall panels, prefabricated exterior walls, prefabricated slabs, prefabricated laminates, prefabricated beams, prefabricated columns, prefabricated staircases, prefabricated balconies, prefabricated bay windows, etc.

With the development of China's national economy and the continuous improvement of people's living standards, people's requirements for the performance, quality and environment of the home are increasing. At the same time, the traditional cast-in-place construction method is incompatible with China's low carbon, energy saving, green, ecological and sustainable development concepts. At present, China urgently needs to solve problems such as high energy consumption, high pollution and high investment in residential construction.

PC (Prefabricated Concrete Structure) is a prefabricated concrete structure. It is a concrete structure formed by assembling and joining prefabricated concrete members as a main component and combining partial casting. Some or all of the components of the PC building are prefabricated in the factory and then transported to the construction site. The site only needs a relatively simple assembly process, which has low energy consumption, high economic efficiency, short construction period, green environmental protection, safety and efficiency, and saves people's effort. It can be widely used in the construction of various middle and high-rise buildings, and it is a new type of building mode that the country vigorously promotes.

Comprehensively improve the overall quality of housing

“PC” parts production realizes prefabrication of factory-style flow construction. The sub-project is operated by a small number of fixed skilled workers; on-site assembly and construction, accurate and accurate, achieving higher productivity and better quality control, and comprehensively improving the residential Comprehensive quality; basically eliminates the quality common problems such as penetration, cracking, empty drum, room size deviation in the traditional cast-in-place construction, and realizes the deviation of the main structure precision from the public grade to the millimeter level, which improves the comfort and overall safety of the residential interior space. Grade, fire resistance and durability.

Significantly increase labor productivity

Significant savings, manpower and material resources, shortened the construction period. Construction workers are transformed from “open-air operations” to factory-made industrial workers. During the construction of the project, construction workers are reduced by about 50%, construction period is shortened by more than 40%, production efficiency is improved significantly, and traditional construction methods are avoided. Due to the defects in the engineering work surface and the climate, it has realized batch manufacturing in the factory and realized “all-weather” production.

Significant energy saving and emission reduction

Completed 500,000 cubic meters of PC components, converted into energy-saving indicators: saving coal 39,000 tons, saving 439 acres, reducing carbon dioxide emissions 104,000 tons, sulfur dioxide 23,400 tons, nitrogen dioxide 351 tons.

Conducive to environmental protection and achieve civilized construction

It reduced the amount of construction waste, the discharge of construction sewage, the interference of construction noise, the influence of harmful gases and dust on the surrounding environment, and realized the civilized construction and green construction on site.

Energy-saving benefits in a fabricated construction process

The whole project does not need to be equipped with scaffolding, a large number of land-saving materials; basically no traditional wood formwork, wood, save 90% of wood; save about 65% of water; save 5%-8% of steel; save about 10% of concrete; reduce on-site construction waste 90%; During the construction phase, there is basically no dust pollution on the site; reduce the on-site site I site by about 50%; reduce on-site workers by more than 50%; reduce on-site domestic waste by 50% to _. The modernization of the construction industry can achieve sustainable development and is an inevitable trend in the development of the construction industry.

To vigorously develop prefabricated buildings, it is necessary to realize technological innovation, focusing on the integration of technical aspects in the "three integrations", that is, the integrated integrated technology system of architecture, structure, electromechanical and decoration.

| According to the characteristics of the components that make up the building

| The difference between traditional construction methods and new construction methods

Technical standard

Introduction to the overall assembly stage of the building

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