![]() Punching may occur before (brittle) or after (ductile) a yield line mechanism has formed in the slab around the column. In practice, for the specific case where the transfer of unbalanced moment to the column is minimal, most punching failures look alike: a pyramid or truncated cone of slab remains around the column as the slab is loaded to failure. The design of RC flat plates is generally governed by serviceability limits on deflection, or by the punching shear capacity of the slab at the slab-to-column interface or at locations of concentrated loads. Flat plates are common in building construction, and can also be found as deck components in waterfront piers and wharves. ![]() The most common type, due to its ease of forming and speed of construction, is the flat plate, a slab of uniform thickness supported by columns without beams, drop panels or capitals. Two-way slabs are unique to Reinforced Concrete (RC) construction. Spcolumn V6.Considerations to Prevent Premature Concentric Punching Shear Failure in Reinforced Concrete (RC) Two-way Slabs Import/export of DXF files, nominal interaction diagrams, and display of capacities at your load point are just a few of the rich program features. Top selling worldwide, spColumn provides a full featured 3D visualization of the nominal and factored failure surface. The program offers investigation of irregularly shaped, reinforced concrete column sections that may contain openings or boundary elements. The section can be rectangular, round or irregular, with any reinforcement layout or pattern. ![]() Equipped with latest American (ACI 318-14) and Canadian (CSA A23.3-14) Concrete codes, spColumn is developed to design and investigate any reinforced concrete sections subject to combined axial and flexural loads.įormerly pcaColumn, PCACOL, and IrrCOL, spColumn investigates sections that are impossible to find on design charts or to do by hand. With newly introduced spResults and spReporter Modules and powered by the advanced and flexible graphical interface of new spSection Module for creating and modifying irregular sections, spColumn v6.00 is widely used for design and investigation of columns, shear walls, bridge piers as well as typical framing elements in buildings and other structures. ![]()
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