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. 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 chapter contains a tutorial that will walk you through creating a. Csi safe 10 analysis, design and detailing of slab part 12. Because of the absence of deep beams and shear walls, flatslab structural system is. Safe v12 manuals all manuals design verification 20 mb. Tutorial on design of foundations using safe software. Design of reinforced concrete structures ii twoway slabs 1 1. Assume partitions cannot be damaged by deflections. Rectangular and circular columns, and also columns with any general shape.
For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. The company, through its instructional video tutorials, offers courses in the areas of cad, design, analysis,civil engineering education, planning. Manual for refined analysis in bridge design and evaluation. Reinforced concrete design 1 design of slab examples and. The method is based on the lower bound theorem of plasticity, meaning that a design based on the strip method is always safe. Design of beam and slab sections for flexure, shear and torsion. Manual and automatic point, line, and uniform loads, enveloped and.
Structural steel composite slab 1 of 7 rev design project. A2slab thickness design by wri method a3design examples using coe charts a4slab design using posttensioning a5shrinkagecompensatingconcreteexamples chapter lintroduction l. C 5 is the slope correction coefficient co is the consolidation correction coefficient as an example. Njdot design manual for bridges and structures 6th edition, 2016 i. 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. 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. If you continue browsing the site, you agree to the use of cookies on this website. The design procedure separately incl udes determining thickness of slab under wall load. Design manual for bridges and structures sixth edition, 2016 nj. The design approach for structures submitted to explosions differ from the common statically approach and are not well documented. Analysis of posttensioned flat slab by using safe shriraj s. Watch more for sap2000 modeling, analysis and design of space trusstriangular arch. Hillerborgs strip method of design 1, 2 is a powerful and versatile technique for designing twoway reinforced concrete slabs and plates.
Bending will take place in the two directions in a dishlike form. Orthogonal, nonorthogonal, multisegment, and varying width design strips are all supported supported by safe. Reinforced concrete slab design and detailing guide is456. This document presents an example of analysis design of slab using etabs. Pro model is exported to ram concept and the design of that slab is done by ram concept.
Reinforced concrete sk 33 section through slab showing stress due to moment. Construction of slab on ground design elements the construction of slab on ground requires certain basic design elements. Design of reinforced concrete slab with regard to explosions. 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. Total moment in slabs supported on circular column capitals 0 moments. Master of science and hereby certify that, in their opinion, it is worthy of acceptance. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. These materials are originally located at different websites.
Design of slab for flexure 067 m unit width of slab. Csi safe foundation design tutorial civil engineering. Posttensioning pt safe includes the ability to define posttensioning in slabs, as banded or. 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.
For the love of physics walter lewin may 16, 2011 duration. These design elements must be enlisted and added in the contract documents by the designer in charge before asking for a bidding. Oneway simply supported slab, span length, l 10 ft normal. 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 slab examples and tutorials by sharifah maszura syed mohsin example 1. A civil engineer must know all the aspects regarding the flat floor system. Flat slab analysis, design and detailing pdf civil. This example examines a simple single story building, which is. Design of reinforced concrete structures ii twoway slabs. Step 2a define girder, diaphragm, and concrete deck slab. The axial force, moments and shears for a particular strip are recovered from the analysis on the basis of the wood armer tech.
Quikrete 5000 high early strength concrete is designed for. Analysis and design of slabs two way civil engineers pk. Time saving design aids twoway slabs page 6 of 14 the pca computer program pcaslab can be used to expedite the design of different slab systems. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Download geotechnical engineering software safe 2016 developed by computers and structures inc. Twoway slabs have two way bending unlike oneway slab. The two examples in this tutorial provide stepbystep illustrations of how safe can be used to create, analyze, design and detail concrete slab systems. The locations of the strips are usually governed by the locations of the slab supports. 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. Design strip widths can be determined automatically by safe, or they can be manually defined by the user for more complex designs. From the above figure appropriate floor load option can be selected along with the desired load cases. The prokon suite includes a series of modules for designing concrete elements. The cross section of the profiled sheeting is shown in fig. The program correctly accounts for the added stiffness over the beam support.
Construction of slabs on ground design considerations aci. Safe is the ultimate tool for designing concrete floor and foundation systems. Slab modeling, analysis, and design procedures feature a suite of. Handbook on good building, design and construction in the. The design procedure includes determini ng slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Please like and share to get more videos tutorials. The following example illustrates the example building. Oneway and twoway slabs university of asia pacific. Manual for refined analysis in bridge design and evaluation fhwa. 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. Find the following parameters for design moments in step 2 per unit width step 4 note.
Slab foundation design pdf slab foundations are simple and inexpensive, and they eliminate the need for. Then, there is an option to increase moment of inertia over support. The output of the program for the slab in the example is shown in the following pages. The slab has to carry a distributed permanent action of 1. Helpcontentsgraphical interface helpadvanced slab design mode elsewhere in this forum, you will find numerous discussions on designing slabs using ram concept. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Following are the rcc slab design and detailing guidelines. Learn about the safe concrete slab analysis and design program. 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 purpose of this paper is to provide an overview of the strip method. Above all, yield line design generates very economic concrete slabs, because it considers features at the.
Design of rectangular beams and oneway slabs continued. Bridge approach slab analysis and design incorporating elastic soil support presented by. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. For a oneway slab system, the equivalent frame method is not applicable. Design project calculation sheet checked by pu date 080800 check the adequacy of the continuous composite profiled deck slab with spans of 3. Booklet, a frostprotected, slabongrade foundation can be designed.
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. In twoway slabs shorter direction strip carry greater %age of load. Flat slab system is an important division of concrete floor system. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The slab is propped at the centre during construction stage. The design and the construction of the foundation is solely the responsibility. The first example is for a mildreinforced concrete slab rc, and the second example deals with a posttensioned structure pt. This option accounts for the increased stiffness of a slab over its support. The program covers wide range of twoway slab systems and can be used for more complex slab layouts. Load transfer in a oneway slab, b twoway slab nilson fig.
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