In subterranean civil engineering, ventilation shafts, also known as airshafts or vent shafts, are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air. [1]

Jan 1, 2018 · Ventilation shafts are widely used for ventilation purpose in an underground shelter. In the current work, the position of the ventilation shaft is optimized by employing the Response Surface Methodology (RSM).

Oct 3, 2024 · The study examined the impact of three ventilation shaft locations on average wind speed, temperature, relative humidity, and air age, leading to an optimized design.

The Airflow H ventilation shaft covers with their wooden overlay and the Airflow with plant cover loosen up the overall appearance. The Kalmar benches together with the Airflow H invite you to linger outside.

shelter ventilation and the development of novel ventilation techniques tailored specifically to identified fallout shelters. The goals of this development pro-gram are portability, low cost, manual and electric drive, ease and universality of application.

Ventilation shaft covers & Roof hoods. For architects, landscape architects, real estate owners and other planners, it is important to equip supply and exhaust air facilities, for example of underground garages, with covers and at the same time …

Storey Shelter Architectural Requirement Checklist: (1) The essential technical requirements that have impacts on the structural safety, performance and protection levels of the storey shelters are listed in the Table.

Feb 26, 2014 · True to form as a popular public location for the consumption of cheap alcohol, one of the ventilation shafts is also in use today as a bus shelter. It thus doubles up on its qualifications for an entry here.

exterior of the shaft at each floor, eliminating the need for scaffolding within the shaft. LIFE SAFETY & FIRE-RESISTANT PROTECTION Shaftwall systems are non-load bearing, fire-rated wall assemblies that provide critical, life safety, fire-resistance protection for elevator shafts, stairwells, vertical chases and mechanical enclosures.

Ventilation shaft is one of the effective elements in natural ventilation for ensuring acceptable Indoor Air Quality (IAQ) and thermal comfort. It has been found that the opening of ventilation shaft plays a significant role in the ventilation efficiency of an underground shelter.