Floor-wall diaphragm connection unknown [FWC99]https://taxonomy.openquake.org/terms/floor-wall-diaphragm-connection-unknown-fwc99

It is not known if there are any connections between the floor diaphragm(s) and the walls that are capable of transfering in-plane forces from floors to wall and restraining outward displacements of walls. There is insufficient information available or...

• Type: Article
• Author: admin
• Category: terms

Floor-wall diaphragm connection present [FWCP]https://taxonomy.openquake.org/terms/floor-wall-diaphragm-connection-present-fwcp

There are connections between the floor diaphragm(s) and the walls, capable of transferring in-plane forces from roof to wall and restraining outward displacements of walls. Examples of retrofit methods to improve strength of existing wall-to-floor...

• Type: Article
• Author: admin
• Category: terms

Floor-wall diaphragm connection not provided [FWCN]https://taxonomy.openquake.org/terms/floor-wall-diaphragm-connection-not-provided-fwcn

There are no connections between the floor diaphragm(s) and the walls that are capable of transferring in-plane forces from roof to wall and restraining outward displacements of walls. Inadequate wooden floor-to-wall connection (FEMA 310, 1998) Example...

• Type: Article
• Author: admin
• Category: terms

Flat slab/plate or waffle slab [LFLS]https://taxonomy.openquake.org/terms/flat-slab-plate-or-waffle-slab-lfls

Slabs and columns are constructed without beams. Unlike flat plates, flat slabs have capitals and/or drop panels at the tops of columns. (A capital is the upper portion of the column, which is usually of conical shape and larger in cross-section than...

• Type: Article
• Author: admin
• Category: terms

Flat [RSH1]https://taxonomy.openquake.org/terms/flat-rsh1

The roof is flat. Any roof with a slope of less than 7 degrees. Flat concrete roof (waffle slab system), Vancouver, Canada (S. Brzev) Flat concrete roofs, India (S. Brzev)

• Type: Article
• Author: admin
• Category: terms

Fired clay unit, unknown type [CL99]https://taxonomy.openquake.org/terms/fired-clay-unit-unknown-type-cl99

It is clear that the structural material is fired clay brick, but the type of brick is unknown. The bricks may be hidden, or it may not be possible to determine solid from hollow brickwork, or information about it is unavailable. Fired clay brick wall,...

• Type: Article
• Author: admin
• Category: terms

Fired clay solid bricks [CLBRS]https://taxonomy.openquake.org/terms/fired-clay-solid-bricks-clbrs

Fired or burnt solid clay bricks, usually formed in a shape of rectangular prism. Fired clay solid bricks, Chile (S. Brzev) Fired clay bricks (also known as burnt clay bricks) at a construction site, India (S. Brzev) Clay brick masonry in cement:sand...

• Type: Article
• Author: admin
• Category: terms

Fired clay hollow bricks [CLBRH]https://taxonomy.openquake.org/terms/fired-clay-hollow-bricks-clbrh

Fired perforated clay bricks with one or more holes (cavities) through the thickness of the brick with the area of cavities in excess of 25% of the volume. The holes can be seen from above after the brick has been laid. Fired clay hollow bricks, Iran...

• Type: Article
• Author: admin
• Category: terms

Fired clay hollow blocks or tiles [CLBLH]https://taxonomy.openquake.org/terms/fired-clay-hollow-blocks-or-tiles-clblh

Fired clay blocks, lightweight extruded type, with several small perforations. Volume of perforations may range from 25 to 70% of the gross block volume. The perforations are laid in the horizontal direction. Fired hollow clay bricks with...

• Type: Article
• Author: admin
• Category: terms

Fabric roof, other [RFAO]https://taxonomy.openquake.org/terms/fabric-other-rfao

The type of fabric roof is known, but it is not adequately described by the other attributes in this table. This includes any other type of fabric not inflatable or stretched like a tensile membrane, such as plastic sheet, tarpaulin, or canvas...

• Type: Article
• Author: admin
• Category: terms

Equipped with base isolation and/or energy dissipation devices [DBD]https://taxonomy.openquake.org/terms/equipped-with-base-isolation-and-or-energy-dissipation-devices-dbd

The building is equipped with base isolation and/or energy dissipation devices; this is an alternative to conventional seismic design approach, where buildings are designed for ductile performance. Base isolation reduces seismic effects in a building...

• Type: Article
• Author: admin
• Category: terms

Earthen exterior walls [EWE]https://taxonomy.openquake.org/terms/earthen-exterior-walls-ewe

All types of earthen construction, including cob, rammed earth, bajareque, quincha, sod, banco, wattle and daub. Cob construction, India (overlaid by plaster) (People in Centre) Mud walls reinforced with bamboo reinforcement, Kenya (K. Jaiswal) Quincha...

• Type: Article
• Author: admin
• Category: terms

Ductile [DUC]https://taxonomy.openquake.org/terms/ductile-duc

The structure incorporates ductile design, where steel members or reinforcing are designed to undergo plastic deformation in over-load situations before failure under earthquake loads occurs in structural members or their connections. Provision of...

• Type: Article
• Author: admin
• Category: terms

Detached building [BPD]https://taxonomy.openquake.org/terms/detached-building-bpd

The building may be within a block, but it is not attached to any other building. This applies to buildings whose neighbouring buildings are spaced apart a distance equal to or more than 4% of the height of the lower building. Where buildings are...

• Type: Article
• Author: admin
• Category: terms

Curved [RSH7]https://taxonomy.openquake.org/terms/curved-rsh7

The roof is curved. It may be of a regular round arched shape, or more irregularly curved when viewed in section. Curved roof, Rogers Arena, Vancouver, Canada (S. Brzev) Curved roof (earthen dome), Iran (F. Naeim, World Housing Encyclopedia Report 104)...

• Type: Article
• Author: admin
• Category: terms

Concrete, reinforced [CR]https://taxonomy.openquake.org/terms/concrete-reinforced-cr

Concrete that is reinforced by metal, usually steel rods or bars cast into the concrete, or by other reinforcement such as glass or metal fibres or natural materials that are strong in tension. Includes prestressed concrete, and can be pre-cast or...

• Type: Article
• Author: admin
• Category: terms

Concrete roof without additional covering [RMN]https://taxonomy.openquake.org/terms/concrete-roof-without-additional-covering-rmn

The roof structure is concrete slab and there is no other covering surface over the structure of the roof system, other than paint or a clear seal. This attribute does not apply to concrete tiles or fibre cement sheet. Concrete roof without additional...

• Type: Article
• Author: admin
• Category: terms

Concrete exterior walls [EWC]https://taxonomy.openquake.org/terms/concrete-ewc

All types of concrete construction and cladding, reinforced or unreinforced, including where there is a plaster finish directly applied to the concrete. Includes cast-in-place or precast concrete panels, but not thin panels such as glass reinforced...

• Type: Article
• Author: admin
• Category: terms

Concrete blocks, unknown type [CB99]https://taxonomy.openquake.org/terms/concrete-blocks-unknown-type-cb99

It is clear that the masonry unit is concrete block, but the type of block is unknown. The blocks may be hidden, or it may not be possible to determine solid from hollow blockwork, or information about it is unavailable. Various types of concrete...

• Type: Article
• Author: admin
• Category: terms

Concrete blocks, hollow [CBH]https://taxonomy.openquake.org/terms/concrete-blocks-hollow-cbh

Concrete blocks with two or more cells (cavities) comprising more than 30% of the volume, which may be grouted and reinforced. Hollow concrete blocks, Peru (S. Brzev) Hollow concrete blocks with three cells, Haïti (front) and with two cells, Canada...

• Type: Article
• Author: admin
• Category: terms