Jack Arch Flooring Ppt

The jack arch flooring system is stable under normal static conditions. The brick arches transfer the gravity loads mainly in compression to. Above them concrete fill is laid providing a level surface upon which the flooring finish can be if there is another level in the structure.

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Jack arch flooring ppt.

These floors are formed through constructing brick or concrete arches called jack arches on the lower flanges of mild steel joists. The joists are spaced 1 to 1 5 m centre to centre and are supported at their ends either on the walls or on longitudinal girders. Introduction jack arch slabs have been extensively used to floor and roof urban and rural buildings in iran. Once the width of the room is limited say within 12 to 15 t which can be connected by wood beam or steel girder the length of the.

Floor covering is a term to generically describe any finish material applied over a floor structure to provide a walking surface. Flooring is the general term for a permanent covering of a floor or for the work of installing such a floor covering. Floor slab view presentation slides online. Jack arch masonry slab developed in the 19th century in britain has been used widely to floor and roof industrial and residential masonry buildings in many parts of the world.

Jack arch roof construction where trapezoidal reinforced concrete beams are used at intervals between which hollow terra cotta blocks form small elongated multiple vaults. 10 27 2014 1 prepared by. Engr fazal e jalal 2. Scribd is the world s largest social reading and publishing site.

Instead they are flat in profile and are used under the same circumstances as lintels unlike lintels which are subject to bending stress jack arches are composed of. Jack arch slabs retrofitting concrete layer masonry pushover test 1. Unlike regular arches jack arches are not semicircular in form. Among the advantages of jack arch roofing is unlimited length.

Floor covering is a term to generically describe any finish material applied over a floor structure to provide a walking surface. Floors and flooring 1. A jack arch is a structural element in masonry construction that provides support at openings in the masonry. Alternate names are flat arch and straight arch.

Flooring is the general term for a permanent covering of a floor or for the work of installing such a floor covering. Upper floors ppt free download as powerpoint presentation ppt pdf file pdf text file txt or view presentation slides online.