Fire Ratings For 8 Terracotta Flat Arch Floor

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Fire ratings for 8 terracotta flat arch floor.

Wood beams and girders supported by walls re quired to have a fire resistance rating of two hours or more shall have not less than 4 inches of solid masonry between their ends and the outside face of. Also called building tile structural terra cotta hollow tile and clay block the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner. Based on the drawings put together by a firm that has done a very basic inspection the building uses clay tile arched floor system with steel beams spaced at 6 0 o c. Flat terracotta arch floor flat terracotta arch floor ick2 structural op 8 mar 04 15 12.

This brittle quality makes them unsuitable for buildings in areas where there is the potential for a seismic event. A cinder slab a flat terra cotta arch and a gypsum slab also reinforced with welded wire mesh. Columns beams girders arches and trusses of material other than wood shall have a fire resistance rating of not less than one hour. The floor spans 15 and i was told by the architect that is a flat terracotta arch.

110 p ill 28 cm trade catalog. The testing funded by a fireproofing company was done to compare the fire resistivity of the three types of floor systems. Both generic and proprietary flat terra cotta tile arches were tested in new york because neither met the geometric requirements for exemption these sys tems consisted of precast terra cotta blocks with thin webs arranged as flat arch voissoirs there were two major types. A fire resistance rating is based on a fire resistance period and usually given in half hour or hourly increments.

I cannot probe because above and below are other apartments. Structural clay tile describes a category of burned clay building materials used to construct roofing walls and flooring for structural and non structural purposes especially in fireproofing applications. Floor arches between steel beams could also be constructed using skew back terra cotta blocks. The test consisted of the construction of three types of floor systems.

As an example a wall with a fire resistance period of 2 hours and 25 minutes may only attain a fire resistance rating of 2 hours. I am trying to assess the load carrying capacity of the floor. It is also referred to as a fire rating fire resistance classification or hourly rating. Side construction with terra cotta voids.