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Having modeled your structure and defined the parameters / loading to be applied, you are now ready to perform 3D building analysis of the whole building. To begin analysis, go to Analysis top ribbon > click "Building Analysis" to launch the analysis form. If there is no previous analysis, a red cross will be shown […]
Column Punching Check You can perform punching checks according to the selected concrete code using the “Column Punching Check” option located in the “Design” tab. The punching check calculations have been designed for flat slab structures and raft foundations. Therefore, the stiffness of any connecting beams (if they exist) are not considered in the calculations. The […]
Normally, a regular isotropic slab will exhibit a two-way behavior when analyzed with finite elements. This is usually sufficient for cast-in-place RC slabs. However, when it comes to one-way prefabricated, pretensioned or hollow core slabs, the one-way behavior must be accurately reflected to the analytical model. In finite element modeling of one-way slabs, the Orthotropic […]
To use mesh reinforcement / BRC for slab design, these are the steps : In Building Analysis menu > Edit Materials > Slabs > Pick a Fabric Rebar Click Rebar Diameters and choose the diameter to be used in the design Click Slab Analysis and Design > Slab Strip Design (Batch Mode)Perform a "Delete and Re-select All Bars” design. Please note that slab strips must be created before running Slab […]
Solid Slabs and Flat Slabs can be analysed and designed in ProtaStructure. General Procedure 1. Before designing the slabs, review the Slab Design Settings. 2. Slab reinforcements can be drawn automatically using “ Slab Strips ” function the modelling tab, cutting through slabs to be analysed and designed. Suitable Slab Strip type must be defined so […]
Design settings of slabs are explained in detail in the following sections. Slab Analysis and Design Procedure Analytical Strip (Moment Coefficient Method) Finite Element FE Strip Ribbed Slab Modelling & Design Procedure Column Punching Check Column Punching Checks with Finite Elements (ACI318 and IS456) How to Create Reports for Slab Loads How to use mesh reinforcement […]
ProtaStructure 2025 introduces enhanced support for punching shear checks for flat slabs and raft foundations in compliance with both the ACI318 American and IS456 Indian Codes (and other similar codes including NSR10, NTE030, Dominican Republic, Indonesia, Philippines and Thailand). This latest version can automatically calculate the out-of-plane shear forces, V13 and V23, around the punching […]
Analytical strip can be used to analyze and design solid slabs supported by beams or walls in accordance to moment coefficient method based on the selected code. Scope & Limitation : The moment coefficient method is principally for rectangular or squarish slabs as stated in selected code of practice. For example, if British code is […]
There are generally 4 options to prepare and present slab loads through report & drawing formats. Option 1: Design Report The Slab Design Check Report will indicate the loadings of the slabs respectively. You may generate the Slab Design Report by clicking "Slab Analysis and Design" in the "Design" tab, then click "Design Report". Slab loadings g and q […]
Slab Strips for the Finite Element Analysis of Solid Slabs Supported by Beams (Span Strip) As an alternative to the Moment Coefficient Method, “Finite Element Analysis” can be used. To define a slab strip for the “Finite Element Analysis”, the “Finite Element Strip” must be selected, and the “Span Strip” option should be selected. Similar to the Moment Coefficient Method, these […]
Similar to ordinary slab plates, Ribbed/Waffle slabs can be analyzed separately from building under G and Q, or with the building model under all combinations. Ribbed /Waffle slabs must be analyzed using FE Approach. Modelling Procedure: Insert Ribbed Slabs and Waffle Slabs as required. Usually beam widths are at the order of 800-1000 mm and […]
General Users can customize built up steel section if the particular steel sections are not available in the database. Sections created can be applied to column, beam, girt, beam, truss and so-on. Built Up Steel Steps to customize built up steel section as below: Open steel member properties and select the "Section Manager". In Database, […]