The construction and operation of urban train tunnels, especially beneath dilapidated areas, often cause vibrations that disturb residents. A prime example is the Tabriz metro’s lines 1 and 2, where ...

As much of the nation’s wastewater and sewer infrastructure approaches the 50-100 year mark, it must be rehabilitated to remain in use for a growing population. Yet municipal wastewater treatment ...

Underground & foundation structures like tunnels, basements and more are vulnerable constructions when it comes to damp & water leakage. Lack of seepage protection can severely reduce the long-term ...