Metal exterior walls [EWME]https://taxonomy.openquake.org/terms/metal-ewme-weme

All types of metal cladding and wall materials. Includes aluminum planks, corrugated steel sheets (CGI) or aluminium sheets, aluminium composite sheets, copper sheets, wire mesh and perforated sheet metal. A building with exterior walls made of...

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Metal beams or trusses supporting light roofing [RME1]https://taxonomy.openquake.org/terms/metal-beams-or-trusses-supporting-light-roofing-rme1

Metal beams or trusses supporting light-weight roofing system e.g. corrugated metal or plywood sheets over steel rafters or purlins. Curved steel beams supporting corrugated steel sheet roofing, Mumbai, India (S. Brzev) Steel trusses (open web steel...

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Membrane roof covering [RMT3]https://taxonomy.openquake.org/terms/membrane-roofing-rmt3

Sheet membrane or liquid-applied membrane roofing surface. Sheet membranes will typically be bituminous or synthetic rubber sheet. Examples of liquid-applied membranes are asphalt, and those that are fibreglass-reinforced. Sometimes a membrane system...

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Material of exterior walls, other [EWO]https://taxonomy.openquake.org/terms/material-of-exterior-wall-other-ewo

The material covering the exterior walls is known, but it does not fit any of the definitions found in this table. Exterior shell (walls and the roof) of the National Swimming Center in Beijing, China is made of a 0.2 mm thick plastic Teflon-like foil,...

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Masonry, unreinforced [MUR]https://taxonomy.openquake.org/terms/masonry-unreinforced-mur

Masonry without any form of reinforcement. Unreinforced brick masonry construction (covered by plaster), Indonesia (J. Bothara) A typical unreinforced masonry building from the beginning of 20th century, Halifax, Canada (S. Brzev) Unreinforced stone...

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Masonry, unknown reinforcement [M99]https://taxonomy.openquake.org/terms/masonry-unknown-reinforcement-m99

It is clear that the structural material is masonry, but the type of reinforcement is unknown. The reinforcing may be hidden, or information about it is unavailable. These buildings in Lisbon, Portugal are likely of masonry construction, but it is not...

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Masonry, reinforced [MR]https://taxonomy.openquake.org/terms/masonry-reinforced-mr

Masonry wall construction in which reinforcement is embedded in such a manner that two materials act together in resisting forces. The reinforcement resists tension while the masonry resists compression. Reinforcement can take various forms, such as...

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Masonry, confined [MCF]https://taxonomy.openquake.org/terms/masonry-confined-mcf

Masonry construction where masonry walls are first laid and then horizontal and vertical reinforced concrete confining elements are cast. In this type of construction the concrete bonds to the masonry and the small-size columns and beams (called...

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Masonry unit, unknown [MUN99]https://taxonomy.openquake.org/terms/masonry-unit-unknown-mun99

It is clear that the structural material is masonry, but the type of masonry is unknown. The build-up of the wall may be hidden, as in the case of a plastered wall, or information about it is unavailable. Walls in masonry buildings are usually covered...

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Masonry exterior walls [EWMA]https://taxonomy.openquake.org/terms/masonry-ewma

All types of masonry units used as cladding, infill, or exposed wall structure. Includes a variety of masonry units, including adobe bricks and blocks, burnt clay bricks and blocks, stone, ceramic tile. It is often difficult to identify type of masonry...

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Limestone [SPLI]https://taxonomy.openquake.org/terms/limestone-spli

Limestone is a sedimentary rock made primarily of the mineral calcite (calcium carbonate). Limstones are usually white or grey, but maybe coloured brown, yellow, or red or blueish, grey, or black (due to iron oxides or carbon). Most limestones are...

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L-shape [PLFL]https://taxonomy.openquake.org/terms/l-shape-plfl

The footprint of the building when viewed in plan resembles the shape of the letter L; that is, the building is a single unit (no seismic gap) with two ‘wings’ near to or at right angles to each other. This building in San Francisco, California has a...

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Inflatable or tensile membrane roof [RFA1]https://taxonomy.openquake.org/terms/inflatable-or-tensile-membrane-roof-rfa1

An inflatable roof uses fabric chambers pressurised with air to form a self-supporting structure. A tensile membrane roof is made of stretched fabric, usually stretched in two directions to form a tensioned surface. Examples of tension membranes...

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Infilled frame [LFINF]https://taxonomy.openquake.org/terms/infilled-frame-lfinf

A framework of beams and columns in which some bays of frames are infilled with masonry walls that may or may not be mechanically connected to the frame. Due to great stiffness and strength in their planes, infill walls do not allow the beams and...

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Infilled Framehttps://taxonomy.openquake.org/terms/infilled-frame

A framework of beams and columns in which some bays of frames are infilled with masonry walls that may or may not be mechanically connected to the frame. Due to great stiffness and strength in their planes, infill walls do not allow the beams and...

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Hybrid lateral load-resisting system [LH]https://taxonomy.openquake.org/terms/hybrid-lateral-load-resisting-system-lh

Hybrid Lateral Load-Resisting System (LLRS) exists in one of the following two cases: a) there is more than one LLRS in the building, but there is no clear distinction between LLRSs in two principal directions (X and Y), or b) there is only one LLRS in...

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Hot-rolled steel members [SR]https://taxonomy.openquake.org/terms/hot-rolled-steel-members-sr

Steel sections that have been hot rolled or fabricated from plates welded together and used as primary lateral load-resisting structure, welded or bolted together. Hot-rolled steel sections at a construction site: I-shaped (called W sections in North...

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H-shape [PLFH]https://taxonomy.openquake.org/terms/h-shape-plfh

The footprint of the building when viewed in plan resembles the shape of the letter H. A building with H-shaped plan, Stanford University, California, USA (Map data ©2013 Google, SIO, NOAA, U.S. Navy, NGA, GEBCO, LDEO-Columbia, NSF, Image Landsat)

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Granite [SPGR]https://taxonomy.openquake.org/terms/granite-spgr

Granite is a light-colored igneous rock with a random arrangement of minerals grains large enough to be visible with the unaided eye. Granite is a coarse-grained, light-colored igneous rock composed mainly of feldspars and quartz with minor amounts of...

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Glass exterior walls [EWG]https://taxonomy.openquake.org/terms/glass-ewg

Glass curtain walls, storefront glass systems, or any other exterior walls where glass windows cover more of the walls by area than any other material. Also includes solar panelled exterior walls, where photovoltaics modules are integrated directly...

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