Repair of Concrete, Reinforced Concrete and Brick Manholes – Part 1: Basic Principles

Manholes perform a variety of functions, they are used to connect pipelines, to change direction and/or elevation, to provide access for personnel and/or equipment, and for aeration and ventilation of the drain and sewer system. Like sewers and pipes, defective manholes need to be rehabilitated.

This module explains the structure, functions, and possible structural conditions of manholes.

After completing this module, you will have a sound knowledge of:

• functions and requirements of manholes;
• construction methods of manholes;
• sealing materials made of elastomers;
• common structural damages and procedures for structural rehabilitation.