Water supply pipes usually refer to the pipes of the urban water distribution network

Water pipes are widely used in drainage, sewage and other engineering projects such as power cables in my country's urban and rural construction. The use of higher-tech special-shaped pipes, pipes with bases, power trench pipes and anti-corrosion pipes is becoming more and more common. Large-caliber plastic-coated steel pipes, and the launch of the special nationally planned urban sewage project plan, which requires the laying of urban pipe corridors, will surely promote a new round of development in the production and application of drainage pipes. The water supply pipe network is a pressure-bearing pipe network, and only good sealing of the pipe is the basic guarantee for continuous water supply.

Various underground pipelines are planned and arranged under the pedestrian path or other spaces as much as possible. Many contradictions in urban infrastructure construction are concentrated on funds. In this regard, Chen Zhenggao said that it is necessary to further improve the price formation, adjustment and compensation mechanism of urban public utility services, break the "glass doors, spring doors, and revolving doors", and attract social capital to engage in infrastructure construction. At the same time, clarify the contractual relationship between the government and enterprises, and strive to cultivate a group of large and well-known enterprises to carry out chain operations and specialized operations.

There are no or few branches in the water pipes that are transported away. The pipe diameter is large and the flow rate is large. The pressure usually decreases along the way, while the pipeline with a long flow rate does not change along the way. For example, the pipeline from the water source to the water plant or from the water plant to a long distance pipe network. Water supply pipes usually refer to the pipes of urban water distribution pipe networks. The water pressure in the water supply pipes is relatively large, and the diameter of the pipes varies. Water supply pipes can be mainly divided into three types: metal pipes, composite pipes and plastic pipes. Metal pipes can be divided into copper pipes and stainless steel water pipes. Composite pipe, its main representative is aluminum-plastic pipe. The plastic pipe is a PPR water pipe.

The concrete prepared with it has the strength and durability required by the project, and the raw materials are easily available, the cost is low, especially the energy consumption is low, so it has a wide range of uses. The most important performance of concrete mixture. It comprehensively expresses the consistency, fluidity, plasticity, anti-segregation and bleeding performance of the mixture, and ease of wiping. There are many methods and indicators for measuring and expressing the workability of the mixture.