Mohsin example 2 continuous one way slab figure 1 shows a clear area of 12 m x 8 5 m. Member design reinforced concrete one way spanning slab bs. Keywordstwo way solid slab, deterministic, form, fortran, bs 8110 1997, structural reliability. This chapter is therefore concerned with the calculation of the design.
I, embatiru flavia, do declare that this final year project of the design of a two storeyed. Such ability is desirable in structures as it gives adequate warning to the user for repair or. Pdf design calculation design of one way slab slab s1. Load transfer in a one way slab, b two way slab nilson fig. Pdf design calculation design of one way slab slab s1 span. Oneway and twoway slabs oneway slabs transfer the imposed. The slab has to carry a distributed permanent action of 1. This videos gives in details all what you need to design two way solid slabs according to the bs8110 code. Flat slab design includes flexure worked example exercise punching shear. The slab was 610m simply supported on four sides and subjected to uniform load 1tm 2 and as shown in fig.
The following example illustrates the example building. The calculations for flexural reinforcement follow a similar procedure to that. Find minimum effect depth d minimum effective depth dmin span basic. Design of reinforced concrete twoway solid slabs using. The imposed loading on the floor is 5 knm2 and an allowance of. Q design a floor slab for an interior room, with clear dimensions of 3. The first stage of the design is finding the bending moment of the slab panels. One way spanning slabs can be designed as beams of unit width. Member design reinforced concrete one way spanning slab. Reinforced concrete design to bs8110 structural design 1 lesson 5 6 4. Manual for design and detailings of reinforced concrete to.
Quick guide to design of one way slab with is code 456. Step 2 design forces draw panel of slab and indicate maximum design moments, shears and in. As in contrast with the former code which is based on working stress design concept, the drafting of the code is largely based on the british standard bs8110 1997 adopting the limit state design approach. Structural engineers and uses the format of the green book manualfor bs 8110. Member design rc two way spanning slab 030915 member design reinforced concrete two way spanning slab bs8110 v2015. Reinforced concrete design 1 design of slab examples and. Design the slab following the provisions of the aci code.
Ce 433, summer 20 slab design example 1 5 design a one. Twoway slab design to bs 8110 civil engineering community. One way ribbed slab as a model is analyzed by the two methods traditional and the finite element method. Memberlocation all beams beam sag beam hog ebeam sag ebeam hog. Depending on the boundary condition and the properties of the slabs, methods of finding bending moment is expressed in the bs 8110 part 01 as follows. Design of slab panel between grids ab and 12 assume a slab thickness of a 162. Beams, see lecture 3 punching shear requirements e. 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.
Get free read online ebook pdf slab design to bs 8110 worked example at our ebook library. The pca computer program pcaslab can be used to expedite the design of different slab systems. Slab is a common term used to describe the structural elements such as floors and roofs where the thickness of the element is very small compared to the length and. Manual for design and detailing of reinforced concrete to. Reinforced concrete design to bs 8110 simply explained. Introduction in reinforced concrete construction, slabs are used to provide flat, useful surfaces. Slabs of uniform thickness bending and reinforced in one. Aci provisions on pt slab design minimum average precompression 0.
Analysis and design of two way slabs page 1 chapter 3. Manual for design and detailing of reinforced concrete to the. Correction factor was also proposed to counter this weakness. Member design reinforced concrete two way spanning.
Nevertheless, the following features of the code in relation to design as different from bs8110 are outlined. Slabs may span in one direction or in two directions and they may be. Sachpazis date 18012014 chkd by date appd by 1 flat slab design to bs8110. Solved examples will be given in part 2 and part 3. Reinforced concrete shear design example problemreinforced. Design calculation design of one way slab slab s1 span of one way slab l 2 m section provided. The equations for the analysis have been obtained from the reinforced concrete designers handbook by reynolds and steedman. One way slab is defined by the bs 8110 as one subje. Design the one way continuous slab for classroom with the floor. Structural use of concrete agensi pekerjaan crc recruits. Slabs may be simply supported or continuous over one or more supports and are classified according. Design of reinforced concrete twoway solid slabs part 3. Moment division example 6000 6000 6000 6000 6000 5000 layout of building 7000 5000 a floor slab in a building where stability is provided by shear walls in one direction ns.
One way simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Design of reinforced concrete structures ii twoway slabs. The restriction in this free lite version is that you cannot change the company name nor the logo shown in top left corner currently set to a made up company. Min and max reinforcement as a percentage of the gross csa. Mar 09, 2015 member design rc one way spanning slab 030915 member design reinforced concrete one way spanning slab bs8110 v2015. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. Learning outcomes at the end of this lecture, the student should be able to a classify all types of solid slab co1 b identify one way and two way solid slab co1 c use a relevant clauses in code of practice co1 d design one way slabs co2 e details the slabs co1. Slab only consist of one panel and the sides of the slab is not restrained against lifting. As with as with the green book the scope of the manual covers the majority of concrete building structures. Ultimate moment and shear coefficients in continuous one way slab ref. D mm d 105 mm loads on slab self weight of slab 3. The slab is without drops and is supported internally and on the external long sides by square columns. Part 1 section 2 bs en 199111 densities, selfweight and bs 6399. Cover to outer tension reinforcement resisting sagging.
Design of reinforced flat slabs to bs 8110 ciria 110. Select representative 1 m wide design stripstrips to span in the short direction, as. One way slab on deep beams waffle slab ribbed slabs flat slab with band beams flat slab with drop. One way spanning slabs should be treated as beams of unit width and chapter 2 should be followed except for minimum shear reinforcement. Design data design of the slab per meter stripbending moment on the slab is maximum at the face of the column in this case at the face of the upstand beams clause 3.
For the more usual cases of solid slab design, bs 8110 permits the analy. Jul 10, 2017 slab design, bs 8110 slab design, how to determine ultimate load for slabs, how to check for deflection in slabs, how to calculate for dead load, how to calculate for lever arm, basics of slab design, how can i design a 2 way spanning slab. The program covers wide range of two way slab systems and can be used for more complex slab layouts. Ce 433, fall 2006 slab design example 1 6 design a one way slab for an exterior bay of a multistory office building using the information specified below. Pdf reinforced concrete design to bs 8110 simply explained. Spaneffective depth ratio to estimate a suitable depth for the section. The design process for the now withdrawn bs8110 design standard works slightly differently to that used in the new ec2 bs en 199211. The calculation done by the software was compared to manual calculation to. One way slab design procedure with example design of one. Slab design is comparatively easy when compared with the design of other elements.
Now let us have a numerical on it to get a full concept on the procedure to design of one way slab. This chapter presents the definition of terms, back ground of the project, the problem. The british standard bs8110 parts 1 and 2 generally for most of its. For 1m slab width, moment, shear force, one way continuous slab for continuous slab, moment and shear force can be obtained from table 3. Ec2 webinar autumn 2016 lecture 52 designing for shear in slabs when shear reinforcement is not required e. Manual for the design of reinforced concrete building. One ways slab design to bs 8110 1997 free download as pdf file. Shear wall columns with post tension slab design code aci bs 8110. Bs 8110, however, has an earlier withdrawal date of march 2008. Define the term slab, one way slab, two way slab, shrinkage and temperature reinforcement, main reinforcement. Oneway and twoway slabs university of asia pacific.
The output of the program for the slab in the example is shown in the following pages. Member design reinforced concrete two way spanning slab bs8110 v2015. Reinforced concrete design to bs8110 structural design 1. To see their result for this slab we will find the load factor. Introduction the main aim of structural design is the achievement. Bs 8110 part 01 is one of the most commonly used standards, and the method expressed in the code can be understood very easily compared guides given for the design of other elements. Two way design slab to bs 8110 building engineering. Reference design calculations output design of slab panel between grids ab and 12 assume a slab thickness of a 162. Bending moments coefficiens have been taking from the bs code. Reliability based design of twoway slab in comparison with. Jul 28, 20 this spreadsheet performs an analysis and design of two way spanning reinforced concrete slab.
Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Jul 21, 2020 continuous one way spanning solid slab question design the one way continuous slab for classroom with the floor finishes and partitions of 2. Assume partitions cannot be damaged by deflections. Member design reinforced concrete two way spanning slab.
Job title xx parameters of beam spanning in x direction slab. Examples of the design of reinforced concrete buildings to. Reinforced concrete design 1 design of slab examples. The following example shows a simple method of sizing a beam using. M before discussion of this method, we have to study some concepts. Design example of reinforced concrete two way solid slabs using bs8110 code part 2 continuous restrained two way slab. Reliability based design of twoway slab in comparison. Project spreadsheets to bs 8110 client advisory group made by date page location 8th floor slab from a to g rmw 29jan21 38 one way solid rc slab design to bs 8110.
Ultimate behavior of one way spanning slab linear elastic analysis methods such as moment distribution are linear elastic methods. One way slab 1 when a rectangular slab is supported only on two opposite edges, it is a one way slab spanning in the direction perpendicular to the edges. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Standard fire minimum dimensions mm resistance one way a,b two way a,b,c,d ribs in two way spanning ribbed slabs e l y l x. Design of slab examples and tutorials by sharifah maszura syed mohsin. This spreadsheet performs an analysis and design of two way spanning reinforced concrete slab. For the more usual cases of solid slab design, bs 8110 permits the analysis of. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Concrete twoway solid slabs using bs8110 code part 1 secrets of reinforcement how. One way simplysupported and continuous solid slab bending. Bending moment coefficient for simply supported two way slab ref. A reinforced concrete slab is a broad, flat plate, usually horizontal, with top and bottom surfaces parallel or nearly so.
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