. The strength of materials; a text-book for engineers and architects. 4- Fig. 242.âRectangular Slab with TriangularDistribution of Edge Pressure. Variation II.âPressure varies according to a Triangle.âIn this case we will assume the pressures to be even moreconcentrated at the centres than in the previous case, andassume the pressure distribution shown in Fig. 242. As before, we take total pressure on each long side = P,. = ^^m , 7v and that on each short side = P, = 0/7 , i.\2{l + h) 2 {I + b) 508 THE STRENGTH OF MATERIALS Taking the side pressures as acting as the centroids of thetriangles,
. The strength of materials; a text-book for engineers and architects. 4- Fig. 242.âRectangular Slab with TriangularDistribution of Edge Pressure. Variation II.âPressure varies according to a Triangle.âIn this case we will assume the pressures to be even moreconcentrated at the centres than in the previous case, andassume the pressure distribution shown in Fig. 242. As before, we take total pressure on each long side = P,. = ^^m , 7v and that on each short side = P, = 0/7 , i.\2{l + h) 2 {I + b) 508 THE STRENGTH OF MATERIALS Taking the side pressures as acting as the centroids of thetriangles, we get W I2 4 M â P - -]- â^ - ^ ⢠2 2 6 Whl Wl^ 4 (r+ b) ^ 12 {I + b) Wl U. 2 1 S{l + b)\^^ 3 8 (l + b) Wl S{1 + b)\ 3. â¢. Slab coefficient for x x = F/ (15) b - I I + b lJ â Similarly, by reversing I and b, slab coefficient for y y I _ 1b 3 (16) = r, = / (17) + 1 These results can be tabulated as follows- I b Slab Coefficients. Short Section and Long Span Pi Long Section and Short Span P 1 â¢333 â¢333 1-25 â¢259 â¢407 1-5 â¢200 â¢467 1-75 â
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