Report # 104 : Adobe House

by Mehrdad Mehrain, Farzad Naeim This building type is typically one or two stories and used for single-family housing. It is more predominant in the desert, in cold-weather, or other inhospitable climates. It has a large mass and basically no strength, particularly against out-of-plane wall forces. These buildings are the most seismically vulnerable. In the […]
Report # 114 : Stonework building with wooden timber roof

by Masoud N. Ahari, Alireza Azarbakht Stonework buildings are a common type of rural construction in many parts of Iran (Figure 32). It is widely used in the mountainous areas because of the ease of attaining the building material. More than 71,000 stonework buildings were built in 1968-1972 in comparison to 54,000 brick masonry buildings […]
Report # 118 : Earring system (Shekanj) in dome-roof structures with unreinforced brick and adobe materials

by Nima T. Bekloo This building structure derives its name from the four earrings that are constructed at the four corners of a rectangular building at the spring level of dome roof. This structural system was developed due to the lack of of wood and stone. It was widely constructed more than 3 thousand years […]
Report # 117 : Four arches (Char taaqi) with dome-roof structures, and unreinforced brick and adobe materials.

by Nima T. Bekloo The ‘Four arches’ or Char Taaqi (in Persian) derives its name from the four arches that connects tops of four timber or masonry piers enclosing the space. It is an equilateral architectural unit consisting of four arches or short Barrel vaults between four corner piers, with a dome over the central […]
Report # 27 : Confined brick masonry building with concrete tie columns and beams

by Behrokh H. Hashemi, Faramarz Alemi, Mohsen G. Ashtiany This is a typical confined brick masonry housing construction common in rural areas of Iran. This building type is often used as a single-family house. Brick masonry shear walls confined with concrete tie columns and beams provide earthquake resistance in both directions. This building type is […]
Report # 26 : Semi-rigid steel frame with “Khorjinee” connections

by Behrokh H. Hashemi, Mohsen G. Ashtiany This housing type is commonly used for low-rise building construction in Iran, mainly for family apartment buildings. This structure is characterized with a special type of semi-rigid beam-to-column connection called “Khorjinee connection.” This connection consists of a pair of continuous beams spanning over several columns and connected to […]
Report # 25 : Steel frame with semi-rigid “Khorjini” connections and jack arch roof “Taagh-e-Zarbi”.

by Arzhang Alimoradi This is a common type of urban/rural construction in many parts of Iran. It is widely used in the cities as a popular structural system for low-rise residential buildings because of the ease of construction and of erecting the frame. Buildings of this type are up to 5 stories high, with a […]