WebA 290mm slab is borderline when EC2 span/effective depth showed 270 to be adequate. A 50% reinforcement increase only reduces the depth down to 275mm. Cannot get … Web• Choice of PT system – bonded or unbonded - refer to PTA Guidance Note GN03 [5]. • •Column spacing vs. structural zone (span to depth) – TR43 [4] gives typical span to depth ratios for various systems. • Location of stiff areas (e.g. cores, walls, columns) – stiff elements in the floor plate can inhibit the shortening of the slab

WHAT IS A POST TENSIONED CONCRETE SLAB - Sheer Force …

WebNov 25, 2008 · A typical draped profile in an elevated concrete slab would route the post-tensioned reinforcement through a high point over the slab's supports, and through a low point in between those supports (see Figure … WebAug 21, 2009 · - For two-way spanning slabs (supported on beams), the check on the ratio of span/effective depth should be carried out on the shorter span. For flat slabs, the longer span should be taken. - For flanged sections with the ratio of the flange to the rib width greater than 3, the Table value for beams should be multiplied by 0.8. im compatibility\u0027s

(PDF) Tests of continuous post-tensioned concrete slabs

WebIn general, the slab thickness is determined by its moment stress, stiffness, or soundproof and fire rat-ing requirements, depending on the type of structure. However, if a fully employed control section is ex-pected, the slab thickness, t, should be computed as t ` L k(1.8f +Wl 4f) ( 1) where t = minimum slab thickness, in. L = span length, ft. WebPost-tensioned (PT) slabs. Post-tensioned (PT) slabs are typically flat slabs, band beam and slabs or ribbed slabs. PT slabs offer the thinnest slab type, as concrete is worked to its strengths, mostly being kept in compression. … WebA 290mm slab is borderline when EC2 span/effective depth showed 270 to be adequate. A 50% reinforcement increase only reduces the depth down to 275mm. Cannot get anywhere near the 255 thick slab justified in EC2 span/eff depth when 50% reinforcement is introduced. Adding 50% reinforcement is allowing something less than a 10% reduction in … imcom readiness division