Manhole

A manhole is a type of connection used to link multiple networks and pathways together. For example, in a sewage system, manholes are used to connect several sewage pipelines and direct them to a single route. In telecommunications systems, they provide access to underground cable paths.
In urban areas, we encounter various types of manholes, which are covers on the ground used for different utilities (water and sewage, telephone, electricity, etc.). Manholes allow easy human access to underground channels, and they are covered with lids.
The design of precast concrete structures must ensure the consistent and stable behavior of the structure. The stability of these precast concrete parts must be guaranteed against vertical loads and lateral forces.
Using precast concrete manholes is one of the most suitable and economical methods for speeding up installation and operation in all utility services, including water supply, electricity, telecommunications, and sewage disposal. The use of underground concrete manholes and junction boxes is the best method for controlling and draining surface water.
These structures must be resistant to vehicle traffic on highways, aircraft traffic at airports, and other standard loads. Additionally, their size must match that of the pipes they are intended to accommodate.