Engineering Cases

Integrated pipe gallery

Executive standard: GB 50838-2015

Classification:

Integrated pipe gallery

Classic Case

Case description

Executive standard: GB 50838-2015

The utility tunnel is a municipal public facility that implements unified planning, design, construction and maintenance and is built underground for laying municipal public pipelines. According to the grade and quantity of pipelines laid, the utility tunnel is divided into trunk utility tunnel, branch utility tunnel and cable trench, etc. The production methods include: prefabricated and assembled utility tunnel and cast-in-place concrete utility tunnel. Among them, the prefabricated and assembled utility tunnel is a utility tunnel that is poured and formed in sections in the factory, and transported to the site after passing the factory inspection by using the assembly process to form a whole. The utility tunnel has many advantages, such as rational use of urban land, overall arrangement of pipeline laying, ensuring the safety and application of engineering construction, reasonable economy, advanced technology, convenient construction and maintenance, etc.

Schematic Diagram of Integrated Pipe Gallery

Characteristics of prefabricated integrated pipe gallery

The prefabricated integrated pipe gallery has the characteristics of high concrete strength, stable quality, and long life. Its joint adopts special structure and construction methods, and at the same time uses water-stop and waterproof materials, so it can effectively improve the seismic level and effectively prevent Water leakage and seepage. Compared with the on-site pouring concrete construction, the construction is not affected by weather conditions and geographical environment, and has the advantages of good construction simplicity, short construction period, small working area, less waste, and less impact on the surrounding environment.

Integrated pipe gallery production site

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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