Use i wsd, ii usd to design the twoway slab shown below, carrying floor finish 30 psf, random wall 50 psf and live load 60 psf given. This example goes through the design of a simplysupported oneway slab on beams. Download free excel spreadsheet for concrete design of two way slab, voided biaxial slab, anchorage to concrete, anchorage to pedestal, circular column, concrete column, super composite column. One way slab oneway slabs are those slabs with an aspect ratio in plan of. Unfactored live load, ldoes not exceed three times unfactored dead load, d. Overreinforcing is a situation to be avoided if at all possible, and the aci code, by limiting the percentage of tensile steel that may be used in a beam, ensures. Normalweight aggregate concrete is specified with a density of 145 pcf. Members are prismatic similar moment of inertia along their lengths. Example problem a reinforced concrete slab is built integrally with. Oneway simply supported slab, span length, l 10 ft normal weight concrete unit weight 145 pcf, 60 grade steel, f y 60,000. Assume partitions cannot be damaged by deflections. One way slab design procedure with example daily civil.
Two way slab design to aci free download and software. Design a oneway slab for the inside of a building using the span, loads, and other data given in figure 1. Spans are approximately equal, with the larger of two adjacent spans not greater than the shorter by more than 20 percent. What are the assumptions for flexure theory in beam design. Chapter 3 design of rectangular beams and oneway slabs. One way slab is normally designed for gravity load only. Analysis for reinforced concrete using aci code 31811 example 2. Pdf shear in oneway slabs under concentrated load close. One way slab design and analysis for reinforced concrete using. Two way slab design by direct design method as per aci 31811, step by step procedure and limitations of direct design method for two way slab is presented. Shear in oneway slabs under concentrated load close to support.
Design of oneway reinforced concrete slabs class notes and examplepage 1 of 6 notes on designing oneway slabs aci 318 ch. Designing a simply supported reinforced concrete one way slab. One way slab design criteria with design example according to aci code slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Aci design factors for calculating shear and moment in slab limitation.
If you continue browsing the site, you agree to the use of cookies on this website. Oneway simply supported slab, span length, l 10 ft normal. Download free excel spreadsheet for concrete design. The one way slab is deflected in one way direction and primary reinforcement is placed in one direction whereas. The tensile strength of concrete is neglected in flexural strength calculations aci sec. 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. One way slab design procedure with example design of one. Oneway and twoway slabs oneway slabs transfer the imposed. Concrete aci 31808 and commentary, american concrete institute. Design a simply supported one way reinforcement concrete floor slab with a dimension of 10 ft x10 ft.