One way slab design steps pdf

Here ratio of longer span of slab to the shorter span of slab is greater than 2. Chapter 3 design of rectangular beams and oneway slabs. One way slab here i solve a probleam based on the one way slab, the diamentions are provided in the probleam 1st determine the aspect ration and with respect to the aspect ratio the type of slab. One way slab being supported on two opposite sides only leads to the structural action in single direction. The design steps have been presented in the following question how do i degisn two way slab. When a slab is supported on all four sides and the ratio of long span to short span is equal or greater than two, it will be considered as one way slab. One way slabs are such slabs in which the loads are shared only by the shorter direction of the slab. Generally all the cantilever slabs are one way slab. The maximum diameter of bar in slab, shall not exceed d8, where d is the total thickness of slab. The basic design procedure of a two way slab system has five steps. Reinforced concrete design 1 design of slab examples.

The basic design procedure of a twoway slab system has five steps. Before going to this topic, please read it there are two types of slab classification based on the direction of bending occurs in these slabs. Design steps of one way slab rcc free download as pdf file. Oneway and twoway slabs oneway slabs transfer the imposed. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Define the term slab, one way slab, two way slab, shrinkage. However main reinforcement bar and distribution bar in transverse direction. They may be supported on two opposite sides only fig. According to the way loads are transferred to supporting beams and columns, slabs are classified into two types. Procedure steps for one way slab in the below section. There are two types of slab classification based on the direction of bending occurs in these slabs. The two classifications are oneway slab and twoway slab. Slabs are usually used in floor and roof construction.

Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. The load on the slab is carried by the short span in one direction. Design of slab examples and tutorials by sharifah maszura syed mohsin. Here are the steps for the design procedure for one way slab in steps. Design of rectangular footings follows the same procedure as the. Rectangular beams and oneway slabs page 3 of 9 design of rectangular beams and oneway slabs continued a. Calculation of approximate depth from deflection criteria cl 23. Reinforced concrete slab design and detailing guide is456. Design of one way slabs as per is 456 worked step by. Oneway and two way slabs one way slabs transfer the imposed loads in one direction only. If slab is supported on all four sides and r shorter side longer side 2 is one way slab lb design of oneway slabs 7 8.

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. Reinforced concrete design 1 design of slab examples and. Design of one way slabs as per is 456 worked step by step. Distribute moments transverse at critical sections to column and middlestrip and if. Following are the rcc slab design and detailing guidelines. The slab has to carry a distributed permanent action of 1. Chajjas and verandahs are an practical example of one way slab.

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. Reinforced concrete oneway slabs with large steps request pdf. Determine moments at critical sections in each direction, normally the negative moments at supports and positive moment near midspan. Rectangular beams and one way slabs page 3 of 9 design of rectangular beams and one way slabs continued a. For those who do not know what are the des ign requirements of a slab. Analysis and design of slabs one way civil engineers pk. Designing of slabs depends upon whether it is a oneway or a two way slab, the end conditions and the loading. Two way slab is a slab supported by beams on all the four sides and the loads are carried by the supports along both directions, it is known as two way slab. Load transfer in a oneway slab, b twoway slab nilson fig. The two classifications are oneway slab and two way slab. Based on the crack pattern and the analysis of the structural performance, the design guidelines of reinforcement details of stepped slabs were proposed. Oneway and twoway slabs university of asia pacific. Calculate aspect ratio aspect ratio 2 longer spanshorter span 2.