abstract this paper by reviewing the main examples of small to medium-scale retractable roof structures covering building courtyards is to present an innovative rigid retractable roof system employing spatial frames for a courtyard of an existing building in tabriz islamic art university. the courtyard is currently used for temporary exhibitions and gatherings whenever permitted by environmenta...

This paper examines differences in performances of a range of torsionally stiff and flexible single story buildings designed with the provisions of Iranian Standard 2800. Seismic nonlinear dynamic time history behavior of eight building models subjected to seven horizontal bi-directional design spectra compatible ground motions are investigated. These models cover a wide range of very torsional...

Repairing and enhancing patient wellbeing are considered the most significant goals in the health sector. It is observed that a trustful relationship between physicians and other medical team members on one side and the patients and their families on the other side is really important to achieve the fundamental purposes in the “Art of Medicine”....

Nowadays, as a result of increased terrorist and bomb attacks throughout the globe in the vicinity of strategic buildings, designing these structures against impact loads, particularly the blast-related ones, has been taken into more consideration. The current procedure for designing the structure against an explosion is a design against the local failure of the current elements in the first st...

there have been few longitudinal studies on sick building syndrome (sbs), which include headache, fatigue, and runny nose. we considered effect of sick building syndrome with illnesses like headache, fatigue and runny nose. thus, we designed a questionnaire and asked from male of dormitory residence. questions of the questionnaire were more about known symptoms of buildings (headache, fatigue, ...

for a few decades has proposed sustainable developing in different sciences and professions including architecture and urbanization and its origins  is in environmental crises  and also excessive use of fossilized energies in the world. problems such as global warming, increasingly developing of green house gases in atmosphere that its origin  is  in global warming , air and soil  pollution, an...

Background: Natural radioactivity in materials under certain conditions can reach the hazardous radiological levels. So, it becomes necessary to study the natural radioactivity in different materials to assess the dose for the population in order to know the health risks and to have a baseline for future changes in the environmental radioactivity due to human activities. Materials and ...

Repairing and enhancing patient wellbeing are considered the most significant goals in the health sector. It is observed that a trustful relationship between physicians and other medical team members on one side and the patients and their families on the other side is really important to achieve the fundamental purposes in the “Art of Medicine”....

In this research, we investigated basic symptoms of syndrome in illnesses of sick buildings. We designed a questionnaire and asked from male of dormitory residence. Questions of the questionnaire were more about known symptoms of buildings (Shortness of breath, inflammation, swelling and burning eyes, runny nose, malaise and fatigue, drowsiness, headache) exacerbations time intervals in the res...