Engineering Cases

Longtang Reservoir and Irrigation Area Project

The Longtang Reservoir and Irrigation District Project is one of the 172 major water conservancy projects for water saving and water supply determined by the State Council. The project is located in Yanyuan County, Liangshan Prefecture, and the dam site of Longtang Reservoir is about 16 kilometers away from the highway in Yanyuan County. The project development tasks are comprehensive utilization of irrigation, urban and rural domestic water supply and power generation. The total storage capacity of the reservoir is 0.146 billion cubic meters, the total installed capacity of the power station is 7600 kW, and the irrigation area is 362000 mu. The construction of the project plays an important role in promoting the sustainable development of local economy and society and speeding up the income generation of ethnic minority areas. The project is constructed by a consortium composed of China Power Construction East China Institute, Sichuan Water Conservancy Planning and Research Institute, China Power Construction and Hydropower First Bureau, and Sichuan Water Conservancy and Electric Power Engineering Bureau Co., Ltd. The PCCP pipeline used in the project is 63km, with a diameter covering DN600-DN2000 km.

Classification:

Southwest Regional Series Water Conveyor and Diversion Project

Classic Case

Case description

Central Yunnan Water Diversion Project

None

Classic Case

A worker in Manila, Philippines

Unsaturated polyester resin concrete is a composite, material which is cross-linked and cured after mixing unsaturated polyester as a cementing agent with aggregates and fillers.It has obvious advantages over ordinary silicate concrete in mechanical strength, corrosion resistance and damping capacity, Because of its long service life, good corrosion resistance and appearance, it is used to replace the traditional reinforced concrete drainage pipe.PRCP does not need the built-in reinforcement framework, so it has high production efficiency, and does not need later maintenance. The product can leave factory after 24 hours. The compressive strength and flexural strength are more than twice that of ordinary concrete, and the maximum compressive strength can be 200MP above. The average flexural strength in 1d is 20MPa;

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