oq-gem

Glossary for gem taxonomy

Authors: Luke Allen, Andrew Charleson, Svetlana Brzev, and Charles Scawthorn

This online Glossary explains around 400 terms contained in the GEM Building Taxonomy v 2.0 and nearly 700 images.

The terms have been listed in alphabetical and numerical order. Text description of each term is accompanied by illustrations (photos and/or drawings) where possible.

We welcome contributions in the form of photographs or images, illustrating glossary terms. If you have any questions you can also contact us at buildingtaxonomy@globalquakemodel.org


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Category: terms
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Steel members that are formed from folded (cold-formed) sheet steel. Typically used in steel framed house construction in conjunction with sheet materials that may provide bracing.

Lightweight steel framing, Canada (S.Brzev)

Cold-formed steel framing, Canada (S.Brzev)

SL_USA_Brzev_1

Cold-formed steel framing detail, USA (S. Brzev)

SL_Kyrgyzstan_Kanbolotov_1

SL_Kyrgyzstan_Begaliev_2

Cold-formed steel construction, Kyrgyzstan (left: K. Kanbolotov; right: U. Begaliev, A. Duishev, and R. Musakov)

SL_Kyrgyzstan_Begaliev_1

Cold-formed steel framing under construction, Kyrgyzstan (U. Begaliev, A. Duishev, and R. Musakov)

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Category: terms
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The roof is a complex combination of roof forms with a degree of regularity such as symmetry.

RSH8_NewZealand_Charleson_1

Complex regular roof, a symmetrical arrangement of multiple pitched gable roofs, New Zealand (A Charleson).

RSH8_NewZealand_Charleson_2

Complex regular roof, a repeating arrangement of multiple pitched gable roofs, New Zealand (A Charleson).

RSH8_Cambodia_Pnom Penh_Scawthorn_1

Complex regular roof, Phom Penh, Cambodia (C. Scawthorn)

RSH8_Indonesia_Scawthorn_1

A school building in Padang, Indonesia - roof form derives from water buffalo horn (C. Scawthorn)

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Category: terms
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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 cast-in-place.

CR_Canada_Brzev_1

Reinforced concrete slab and columns under construction, Canada (S. Brzev)

reinforced concrete - 1

 

Reinforced concrete building, New Zealand (A. Charleson)

CR_USA_Brzev_1

Reinforced concrete wall and column retrofitted with carbon fibrewrap, USA (S. Brzev)

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Category: terms
Hits: 319

The building is mainly used for education, including schools and universities.

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Category: terms
Hits: 554

As per Cast-in-Place Concrete, but where primary members of the Lateral Load-Resisting System are post-tensioned with steel cables or rods.

CIPPS_Canada_Brzev_1

A typical prestressing cable (S. Brzev)

CIPPS_Canada_Brzev_2

Prestressing cables laid out before the concrete pour (Canada, S. Brzev)

CIPPS_Canada_Brzev_3CIPPS_Canada_Brzev_4

Anchorage of a prestressed concrete element, Canada (S. Brzev)

  1. Lime mortar [MOL]
  2. Dressed stone [STDRE]
  3. Roof tie-down not provided [RTDN]
  4. Railway station [COM9]

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