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“Tobnorm” modern manholes


Increased safety and additional quality improvement

 


Manholes made from concrete or reinforced concrete consist of the bottom section, the manhole rings and the top cover. The manholes provide access to the sewer system and are used in traffic areas. The joints between the structural units must be tight and be able to carry their own dead weight plus the weight of the traffic into the subsurface.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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