Experimental Study of Mechanical Property of a New Lightweight Composite Floor

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Abstract:

For analysis of bearing mechanism of the composite floor formed with thin-walled steel and lightweight aggregate concrete, the static load test of a composite floor was put forward. The specimen is simply supported at the two shorter sides of the floor and the other two sides free. The uniform loads and partial loads are applied to the floor through load blocks. The vertical displacements of the floor, the relative slips of concrete panels and steel beam and strains of specimens were measured and analyzed. The results showed that the new lightweight composite floor has better bearing capacity and there was not cracks in lightweight aggregate concrete panels while the applied loads are much larger than the normal loads. It is concluded that variation of strains of secondary beams and concrete panels has similar development trend as the equivalent uniform load is close the value of 6 kN/m2.

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555-558

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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