Wooden structure with light roof covering [RWO1]https://taxonomy.openquake.org/terms/wooden-structure-with-light-roof-covering-rwo1

Wooden beams or trusses and joists, supporting light roof covering, e.g. corrugated sheets. Also includes curved roof structures e.g. vaulted roofs. Timber beams and joists supporting light roofing, New Zealand (W. Clark) Wooden roof truss structure,...

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Wooden or asphalt shingle roof covering [RMT7]https://taxonomy.openquake.org/terms/wooden-and-asphalt-shingles-rmt7

Wooden shingles are usually split wood, overlapping and fastened to wood battens. Wooden shingles are usually made of cedar, redwood, hardwood etc. Asphalt shingles are small overlapping sheets of asphalt, usually fastened to a plywood sheet substrate....

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Wooden exterior walls [EWW]https://taxonomy.openquake.org/terms/wood-eww

All types of wood cladding, including wood planks, wood shingles, plywood sheets. Also includes wood construction where it also forms the exterior wall surface, such as solid wood or log construction. Wood plank cladding (lower level) and wood shingles...

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Wooden beams or trusses with heavy roof covering [RWO2]https://taxonomy.openquake.org/terms/wooden-beams-or-trusses-with-heavy-roof-covering-rwo2

Wooden beams or trusses and joists, supporting heavy roof covering. Examples include a sloped wooden roof with a layer of earth covered by clay roof tiles, found in high precipitation regions around the world. Another example of heavy covering is stone...

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Wooden beams or trusses and joists supporting light flooring [FW1]https://taxonomy.openquake.org/terms/wooden-beams-or-trusses-and-joists-supporting-light-flooring-fw1

Wooden beams or trusses and joists, supporting light flooring, e.g. wooden planks. Wooden beams with two perpendicular layers of wood-plank flooring, Italy (Maffei et al., EERI, 2006) Wooden floor structure overlaid by planks and bamboo strips, Nepal...

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Wooden beams or trusses and joists supporting heavy flooring [FW2]https://taxonomy.openquake.org/terms/wooden-beams-or-trusses-and-joists-supporting-heavy-flooring-fw2

Examples include a wooden floor with a balast fill (earth or other material) covered by clay tiles, found in high precipitation regions around the world. Another example of heavy covering is stone tiles, which are used for roofing and flooring. Floor...

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Wood-reinforced [RW]https://taxonomy.openquake.org/terms/wood-reinforced-rw

Masonry walls that are reinforced against earthquake forces by horizontal, vertical, and/or diagonal wood members. The wood reinforcement might consist of wood bond beams at eaves level to tie walls together or may be vertical posts attached to walls...

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Wood-based sheets on rafters or purlins [RWO3]https://taxonomy.openquake.org/terms/wood-based-sheets-on-rafters-or-purlins-rwo3

Plywood, particle board, or other sheet material fixed over wooden members. Wood-based sheets on rafters or purlins, California (A. Charleson) Plywood sheets over wood rafters or purlins - a roof under construction in Vancouver, Canada (S. Brzev)

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Welded connections [WEL]https://taxonomy.openquake.org/terms/welded-connections-wel

Structural steel members are welded together. This usually only applies to regular-weight steel members. Welded connection of steel brace to gusset plate, New Zealand (A. Charleson) Welded steel brace connection, USA (S. Brzev)

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Wattle and daub [WWD]https://taxonomy.openquake.org/terms/wattle-and-daub-wwd

A wooden frame around a lattice consisting of woven twigs (wattles that is filled or plastered with mud), reeds, grass, or bamboo. The earth is very clayey and mixed with straw or other vegetable fibres. Wattle and daub construction, India (People in...

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Wall [LWAL]https://taxonomy.openquake.org/terms/wall-lwal

A wall is a vertical planar building element which usually resists gravity loads, but also resists horizontal forces and provides stability to a building during an earthquake. Usually its length is greater than 6 times its thickness. Any vertical...

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Vertical structural irregularity - primary [IRVP]https://taxonomy.openquake.org/terms/vertical-structural-irregularity-primary-irvp

A structural irregularity that is observed in the elevation or section of the building (vertical plane). If more than one vertical irregularity is observed, the primary vertical irregularity is that deemed to be the most significant in terms of...

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Vegetative roof covering [RMT8]https://taxonomy.openquake.org/terms/vegetative-rmt8

All types of roof covering made from lightweight vegetative material. Includes birch bark roof, split stem bamboo, thatched. Does not include planted 'green roofs' with soil and living plants. Thatch roof covering, India (People in Centre) Thatch roof...

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Vaulted masonry roof [RM1]https://taxonomy.openquake.org/terms/vaulted-masonry-rm1

Masonry spans between bearing walls and is overlaid with fill. A flat roof surface is provided and is often overlaid with roofing. Includes two-way vaults and masonry domes. Brick masonry vault (M. Lutman) Brick masonry double vault, Italy (S. Brzev)...

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Vaulted masonry floor [FM1]https://taxonomy.openquake.org/terms/vaulted-masonry-fm1

Masonry spans between bearing walls and is overlaid with fill. A flat floor surface is provided and is often overlaid with flooring. Includes two-way vaults and masonry domes. Brick masonry vault (M. Lutman) Brick masonry double vault, Italy (S. Brzev)...

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Unknown earth technology [ET99]https://taxonomy.openquake.org/terms/unknown-earth-technology-et99

It is clear that the structural material is earth construction, but the type of construction is unknown. The structural material may be hidden, such as in the case of a plastered earth wall, or information about it is unavailable. It is difficult to...

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Triangular, solid [PLFD]https://taxonomy.openquake.org/terms/triangular-shape-solid-plfd

The shape of the building footprint is approximately triangular in shape, or a tapered wedge shape. A building with triangular plan shape, Hotel Europe, Vancouver, Canada (Left: S. Brzev; Right: map data ©2013 Google, Province of British Columbia,...

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Torsion eccentricity [TOR]https://taxonomy.openquake.org/terms/torsion-eccentricity-tor

For at least one direction (across or along the building) the centre of rigidity or resistance is located anywhere beyond the half-way point between the centre of a typical floor plan and the side of the building. Torsion is created when the centre of...

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Tensile membrane or fabric roof [RMT11]https://taxonomy.openquake.org/terms/tensile-membrane-or-fabric-roof-rmt11

The roof is made of fabric, including tensile membrane, inflatable fabric structures, and other types of fabric sheet roof. A tensile membrane roof is made of stretched fabric, usually stretched in two directions to form a tensioned surface. Examples...

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T-shape [PLFT]https://taxonomy.openquake.org/terms/t-shape-plft

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

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