Stair pressurization systems are designed to create a smoke-proof barrier, preventing the ingress of smoke into staircases within buildings. In tall buildings over 25 m, evacuation strategies can utilize phased or simultaneous evaluation multiple storeys. This paper examines performance stair with differing number doors open starting from two doors, an incremental step up total 10 shaft. Simula...

Considering vicinity as a mere prerequisite but not an ample cause needed for creation of a relationship, the paper investigates the interfering factors playing a significant role in social life of residential complexes habitats.Data for survey were collected through dividing the residential complexes in two groups of homogeneous and heterogeneous. In this way, we selected four residential comp...

Assessment of the annual radon concentration is often required in indoor surveys territories and individual dwellings for comparison with reference levels, studying factors affecting accumulation dwellings, assessment exposure epidemiological studies, etc. The were carried out multistorey buildings eight Russian cities using solid state nuclear track detectors an period three months. For these ...