1. Overview of prestressed concrete cylinder pipe (PCCP)

Prestressed concrete cylinder pipe (PCCP) is a composite pipe made of concrete and steel cylinder with socket, which is wound with high-strength prestressed steel wire and sprayed with protective mortar on its outer side. It makes full use of the compressive and corrosion resistance of concrete and mortar and the tensile and sealing properties of steel, so PCCP can bear higher internal water pressure and external load. PCCP has been developing in China for more than 30 years. The working pressure of prestressed concrete cylinder pipe can be up to 3.0MPa, the covering depth can be up to 20m, and the pipe diameter is 400 mm ~ 4000 mm. The pipe structure can be designed according to different working conditions. Transportable media include reservoir raw water, tap water, domestic sewage, industrial wastewater and seawater.

2. Overview of the development of the prestressed concrete cylinder pipe (PCCP) industry 2020

2.1 The "thirteenth Five-Year Plan" entered the final stage with the construction of key water conservancy projects and the protection of water ecological environment accelerating and implementing, and the PCCP market maintaining sustainable development.

2.2 The PCCP industry market is basically stable, and the echelon scene is becoming more prominent

2.3 PCCP Quality Innovation Alliance continues to play an increasing role in leading the industry technology and driving the progress and development of the PCCP industry

2.4 The PCCP industry standard system is basically complete, and the industry is orderly and controllable

2.5 PCCP derivative products are gradually increasing, and the scope of product functions continues to increase

2.6 The PCCP industry's market share has declined, the new force in this industry is insufficient, and small-diameter pipelines are more affected by the backlog of other pipe industries.

2.7 PCCP has been growing in China for more than 30 years, and now surges forward with great momentum.

2.8 Impact of COVID-19 Outbreak on PCCP industry

3. Needs and Tasks of Industry Development in 2021

3.1 Give full play to the function of concrete pressure pipe work department and continuously improve the service level of the industry

3.2 Strengthen the leading role of PCCP Quality Innovation Alliance and enhance the core competitiveness of the industry

3.3 Improve the production technology and actively advocate the standardization, automation, informationization and intelligence of PCCP application production

3.4 Explore and develop technologies related to the new performance of PCCP, and promote online nondestructive testing technology in PCCP pipeline operation

3.5 Improve the "Made in China" quality brand in an all respects and participate in the international PCCP industry competition and cooperation

The "the Belt and Road Initiative" strategy is an important opportunity to promote the development of China's export-oriented economy. With international capacity cooperation and industrial investment, it provides strategic opportunities for the international development of China concrete and cement products industry enterprises. PCCP enterprises with advantages and resources need follow up in time, make full use of opportunities and participate in the competition and cooperation of international PCCP industry to make the "PCCP Made in China" a world-renowned brand.

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