It is suggested that you add patches in the Results View while looking at relevant moment contours - For example you might after selecting the FE chasedown result type have Mx moments on in one view on the left and My moments in a second view on the right, as below:. When working in a 2D View use the right click menu to design or check slabs and patches: This process makes the structure more buildable, reduce the number of site workers and increase the productivity at site, thus providing more tendency to achieve a higher Buildable score. Drop panels play a significant role here as they augment the overall capacity and sturdiness of the flooring system beneath the vertical loads thereby boosting cost effectiveness of the construction. Corresponding deflections for the 3D Building Analysis will only be available if you have elected to mesh 2-way slabs in the analysis.
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Drawings that convey the structural intent are easy to create. Once the selections are reasonable it is advisable to select all the panels and swap them out of auto-design mode and after this flay be careful not to use the right click option to design panels unless you really want to.
Deflections- Usually at the center of each panel deflections are maximum. It is important to use these settings so that the reinforcement established in the slabs is sufficiently spaced to allow introduction of additional reinforcement in the patches.
Set up Pattern Loading. Having established and rationalied the slab panel reinforcement which sets the background levels of reinforcement, it is flta logical to design the patches which will top up slav reinforcement as necessary within the strips of each patch. Working in this way restricts the design or checking to the patches in the current view.
Panel design is dependent on the areas of patches patch areas which are excluded from panel design - hence patches should be added before panels are designed. It is suggested that you add patches in the Results View while looking at relevant moment contours - For example you might after selecting the FE chasedown result type have Mx moments on in one view on the left and My moments in a second view on the right, as below:.
The default Building Design report includes these along with design calculations for other member types in the model. The designs are conceptualized by employing appropriate software but the fact is using sub-frame methods for very complicated design can be very expensive. In case the client plans changes in the interior and wants to use the accommodation to suit the need, flat slab construction is the perfect choice as it offers that flexibility to the owner.
Larger bars are only tried when the minimum permissible spacing is reached. If in doubt safe thing to do is err on the side of caution and make them a bit smaller.
This can prove gainful in desig of lower building height, decreased cladding expense and pre-fabricated services. In Tekla Structural Designer an interactive design approach is required for flat slab design because the patch and panel design are inter-dependant. Flat slabs allows Architect to introduce partition walls anywhere required, this allows owner to change the size of room layout.
The advantages of applying flat slabs are many like depth solution, flat soffit and flexibility in design layout. Flat Slabs are considered suitable for most of the construction and for asymmetrical column layouts like floors with curved shapes and ramps etc. A thorough visualization in terms of complete examination of separate cracking and deflection is required since this procedure utilises only collapse mechanism.
Deesign a model xlab that includes the panel, patch, and punching check calculations that have been performed. The purpose of this is to smooth out local peaks at the most critical locations which would otherwise dictate the background reinforcement level needed to get a pass status.
Flat Slab – Types of Flat Slab Design and its Advantages
Benefit of using flat slabs are manifold not only in terms of prospective design and layout efficacy but is also helpful for total construction process especially for easing off installation procedures and saving on construction dezign. Some of these methods are as following:.
These right click options operate on the same basis as the options for beams and columns: The most cost effective and homogenous installation of reinforcements can be achieved by applying the yield line method. Move to next level or sub-model and repeat step 4.
Flat Slab – Types of Flat Slab Design and its Advantages
It should be borne in mind that sla are NOT the final detail drawings, their purpose is to eliminate the need for manual mark-up drawings as a means of communication between the engineer and the detailer.
Structures having floors with irregular supports, large openings or bears heavy loads, application of finite- element analysis is supposed to be very advantageous. To utilize the slab thickness to optimum level, the essential aspects that should be kept in mind are: This will be a dlab faster option on large buildings and avoids time being wasted designing slab slag at levels where patches have not yet been set up. Great thought is put into choosing material properties or installing loads on the structures.
This allows standardized structural members and prefabricated sections to be integrated into the design for ease of construction.
Flat slab construction can deeply reduce floor-to —floor height especially in the desiign of false ceiling as flat slab construction does act as limiting factor on the placement of horizontal services and clat. By default, only beam loads, and slab loads that have been decomposed on to beams, are patterned. Consider Deflection for Flat slabs. Even though building flat slabs can be an expensive affair but gives immense freedom to architects and engineers the luxury of designing.