Download geotechnical engineering software safe 2016 developed by computers and structures inc. Total moment in slabs supported on circular column capitals 0 moments. Design of rectangular beams and oneway slabs continued. The prokon suite includes a series of modules for designing concrete elements. Master of science and hereby certify that, in their opinion, it is worthy of acceptance. Design of flat slab with edge beams by direct design method 16 14 14 3 b c 1 c 2 c 3 c 4 3 1 c 5 c 6 c 7 c 8 c 9 14 c 10 11 c c 12 c c 14 c 15 c 16 8 c 17 c 18 c 19 c 20 8. This document presents an example of analysis design of slab using etabs. Tutorial on design of foundations using safe software.
The design procedure includes determini ng slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. The results of the study show that the slab can be successfully used for residential buildings as it meets all the requirements and demands fewer materials. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. The slab has to carry a distributed permanent action of 1. In case of one ways slabs, the aci approximate analysis is applicable to one way slab system where a one way slab is continuous with a one way slab. The company, through its instructional video tutorials, offers courses in the areas of cad, design, analysis,civil engineering education, planning. Orthogonal, nonorthogonal, multisegment, and varying width design strips are all supported supported by safe. If you continue browsing the site, you agree to the use of cookies on this website.
Manual for refined analysis in bridge design and evaluation fhwa. Pro model is exported to ram concept and the design of that slab is done by ram concept. The design and the construction of the foundation is solely the responsibility. Twoway slabs have two way bending unlike oneway slab.
The purpose of this paper is to provide an overview of the strip method. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Slab foundation design pdf slab foundations are simple and inexpensive, and they eliminate the need for. A civil engineer must know all the aspects regarding the flat floor system. Safe v12 manuals all manuals design verification 20 mb. Csi safe foundation design tutorial civil engineering. Design of reinforced concrete structures ii twoway slabs 1 1.
For a oneway slab system, the equivalent frame method is not applicable. The method is based on the lower bound theorem of plasticity, meaning that a design based on the strip method is always safe. Flat slab system is an important division of concrete floor system. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Csi safe 10 analysis, design and detailing of slab part 12. Handbook on good building, design and construction in the. The design procedure separately incl udes determining thickness of slab under wall load.
The first example is for a mildreinforced concrete slab rc, and the second example deals with a posttensioned structure pt. Design strip widths can be determined automatically by safe, or they can be manually defined by the user for more complex designs. The output of the program for the slab in the example is shown in the following pages. Watch more for sap2000 modeling, analysis and design of space trusstriangular arch. Reinforced concrete design 1 design of slab examples and. Analysis and design of slabs two way civil engineers pk.
Oneway and twoway slabs university of asia pacific. The design approach for structures submitted to explosions differ from the common statically approach and are not well documented. In twoway slabs shorter direction strip carry greater %age of load. Pass ratio actualcorner 3 design of rectangular beams and oneway slabs 12 h a 12 strip in a simply supported one way sl ab h.
Design of reinforced concrete structures ii twoway slabs. Helpcontentsgraphical interface helpadvanced slab design mode elsewhere in this forum, you will find numerous discussions on designing slabs using ram concept. Flatslab building structures possesses major advantages over traditional slabbeamcolumn structures because of the free design of space, shorter construction time, architectural functional and economical aspects. These design elements must be enlisted and added in the contract documents by the designer in charge before asking for a bidding. Construction of slab on ground design elements the construction of slab on ground requires certain basic design elements. These materials are originally located at different websites. This example examines a simple single story building, which is. Booklet, a frostprotected, slabongrade foundation can be designed. The locations of the strips are usually governed by the locations of the slab supports. This chapter contains a tutorial that will walk you through creating a.
The children are the hope and future of the world and it is unthinkable for them to continue to live and learn in unsafe, poorly built houses and schools. The slab is propped at the centre during construction stage. Slab modeling, analysis, and design procedures feature a suite of. U sing the import and export steps will complete the transfer of the foundation and slabs geometry, section properties, and loadings for the selected load cases. Analysis of posttensioned flat slab by using safe shriraj s. From the above figure appropriate floor load option can be selected along with the desired load cases. Then, there is an option to increase moment of inertia over support. Following are the rcc slab design and detailing guidelines. The following example illustrates the example building.
Design manual for bridges and structures sixth edition, 2016 nj. Because of the absence of deep beams and shear walls, flatslab structural system is. The program correctly accounts for the added stiffness over the beam support. Salunke mgms college of engineering and technology, kamothe, india mgms college of engineering and technology, kamothe, india abstract the use of posttensioned flat slab is increasing day by day, due to its advantages over traditional concrete. Safe is the ultimate tool for designing concrete floor and foundation systems. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. The cross section of the profiled sheeting is shown in fig. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3.
Assume partitions cannot be damaged by deflections. For uniformly distributed loads of w per square foot of the slab, each strip acts approximately like a simple beam uniformly loaded by its share of w. This option accounts for the increased stiffness of a slab over its support. Find the following parameters for design moments in step 2 per unit width step 4 note. The axial force, moments and shears for a particular strip are recovered from the analysis on the basis of the wood armer tech. Structural steel composite slab 1 of 7 rev design project.
The two examples in this tutorial provide stepbystep illustrations of how safe can be used to create, analyze, design and detail concrete slab systems. Rectangular and circular columns, and also columns with any general shape. Construction of slabs on ground design considerations aci. Design of beam and slab sections for flexure, shear and torsion.
Manual and automatic point, line, and uniform loads, enveloped and. Flat slab analysis, design and detailing pdf civil. Learn about the safe concrete slab analysis and design program. A2slab thickness design by wri method a3design examples using coe charts a4slab design using posttensioning a5shrinkagecompensatingconcreteexamples chapter lintroduction l. Manual for refined analysis in bridge design and evaluation. C 5 is the slope correction coefficient co is the consolidation correction coefficient as an example. For the love of physics walter lewin may 16, 2011 duration. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Bending will take place in the two directions in a dishlike form. Design of reinforced concrete slab with regard to explosions. The program covers wide range of twoway slab systems and can be used for more complex slab layouts. Design project calculation sheet checked by pu date 080800 check the adequacy of the continuous composite profiled deck slab with spans of 3.
Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Step 2a define girder, diaphragm, and concrete deck slab. Load transfer in a oneway slab, b twoway slab nilson fig. From framing layout all the way through to detail drawing production, safe integrates every aspect of the engineering design process in one easy and intuitive environment. Reinforced concrete slab design and detailing guide is456. Reinforced concrete sk 33 section through slab showing stress due to moment. Design of slab for flexure 067 m unit width of slab.
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