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2017 | 83 | 119-129
Article title

An Investigation on the Advantages and Disadvantages of Chromite and Styrofoam (EPS) Ceilings in Concrete Structures

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The present paper tends to investigate the merits and demerits of chromite and Styrofoam ceilings in concrete structures. Since in lots of buildings and structures chromite and Styrofoam used in ceilings, there are problems with their implementation cause a bunch of advantages and disadvantages. Generally, precast beams or in short joist with blocks including both chromite and concrete, if properly designed, calculate and implemented have less tremble than the in situ concrete ceilings and composite due to the thickness of the ceiling blocks. But this is a general issue and it varies in different circumstances and conditions. For example, the vibration of the composite ceilings will be much less in the cases of underpinning both of the primary and secondary beams during concreting. The tremble of ceilings with old style blocks I mean Concrete masonry unit (concrete zigzag slab) and Composite steel concrete precast beams is also less than others of this kind Because of the underpinning during execution Polymer Styrofoam is white in color, and moisture, heat and sound insulation which is produced in petrochemical plants. This material is available in very small volumetric volumes (1.04 to 1.09 g / cm3) in different gradation of tiny and big can be found in form of granules, sheets, and blocks of various sizes and thicknesses. Cutting it off with cutting machines or by hot wire is easy to do. In this study, the chromite and Styrofoam ceilings are examined and their advantages and disadvantages of them in concrete structures are investigated.
Physical description
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