Example 1 Simply supported One way slab A rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 375 m apart The slab has to carry a distributed permanent action of 10 kN/m2 (excluding slab selfweight) and a variable action of 30 kN/m2 The materials to be used are grade C25 concrete and gradeMost commonly used soil parameter in the design of concrete pavements and slabs on grade The use of the k value is appropriate for the design of pavements and floor slabs that do not support columns or loadbearing walls There is no reliable correlation between the three measures of soil properties;A suspended floor is a ground floor with a void underneath the structure The floor can be formed in various ways, using timber joists, precast concrete panels, block and beam system or cast insitu with reinforced concrete However, the floor structure is supported by external and internal walls Supports underneath the floor are permanent and include sleeper
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