2018 08 14 nbsp 0183 32 Solved Example A cantilever slab 200 mm thick is 1 715m long and it is supporting a blockwork load at 1 0m from the fixed end Design the slab using the data given below Purpose of building – Residential f ck 25 Mpa f yk 460 Mpa Concrete cover 25 mm Height of block wall 2 75 m Unit weight of concrete 25 kN m 3The Construction and Design of Concrete Slabs on Grade D Matthew Stuart P E S E F ASCE SECB COURSE CONTENT Slab on Grades Construction Introduction Concrete slabs on grade are a very common type of concrete construction Floor slabs can range from a simple residential basement slab to a heavy duty industrial floor Step 10 Level Your Concrete Slab The concrete should be slightly above the forms Use a shovel or rake to spread the concrete around and move it into low spots as needed Once one end is filled use the long 2 215 4 screed board to begin smoothing the concrete level with the forms Angle the screed board toward you and work it left and right as 2011 09 03 nbsp 0183 32 Design of Reinforced Concrete Slabs 3 0 NOTATION Compression face to point on surface of concrete where crack width is calculated Centre to centre distance between bars or groups of bars Point on surface of concrete to nearest face of a bar Gross area of concrete in a section Area of steel in tension Area of steel in compression Minimum area of reinforcement at 2018 06 19 nbsp 0183 32 One Way Slab Design Example A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft 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 Design the slab following the provisions of the ACI code

DESIGN OF SLABS ON GROUND 360R 3 A5 2 Example selecting the optimum amount of reinforce ment to maximize the compressive stress in the concrete where the slab thickness the joint spacing and prism expansion are known Appendix 6 Design examples for steel FRC slabs on ground using yield line method p 360R 66 A6 1 IntroductionReinforced concrete structures II – Ribbed slab Example 2 1 Example 2 2 Ribbed slab design A typical floor system of a lecture hall is to be designed as a ribbed slab The joists which are spaced at 400mm are supported by girders The overall depth of the slab without finishing materials is 300mm Imposed load of 1 5KN m2 for partition and fixture is considered in the Concrete Mix Design Calculation M20 M25 M30 M40 Grade Concrete Construction Materials By happhoadmin7 Concrete mix design is a procedure of selecting the suitable ingredients of concrete and their relative proportions with an objective to prepare concrete of certain minimum strength desired workability and durability as economically value engineered as possible Design Of Heavy Duty Concrete Floor Slabs On Grade Course ST 702 EZ pdh com Ezekiel Enterprises LLC 301 Mission Dr Unit 571 New Smyrna Beach FL 32128Slabs and Flat Slabs Lecture 5 19 th October 2016 Contents –Lecture 5 Designing for shear in slabs including punching shear Detailing –Solid slabs Flat Slab Design –includes flexure worked example Exercise Punching shear

The Equivalent Frame Method EFM presented in ACI 318 14 is illustrated in detail in this example to analyze and design two way flat slab with drop panels system The EFM solution is also used for a detailed comparison with the analysis and design results of the engineering software program spSlab This example highlights code based selection of drop panel 2020 05 01 nbsp 0183 32 Worked Example The waffle floor shown in figure 2a amp b is required for a shopping mall building Preliminary sizing of the floor has been carried out by selecting a suitable mould and the slab dimensioned as shown in the figures The floor is to be constructed from C25 30 concrete and steel bars having a yield strength of 460mpa 2022 01 15 nbsp 0183 32 For example certain flooring types like hardwood flooring aren t suitable for concrete slabs To make it easier for you to choose the best flooring we have compiled a list of flooring types that you can put on a concrete slab Design of Slab Examples and Tutorials by Sharifah Maszura Syed Mohsin Example 1 Simply supported One way slab A rectangular reinforced concrete slab is simply supported on two masonry walls 250 mm thick and 3 75 m apart The slab has to carry a distributed permanent action of 1 0 kN m2 excluding slab self weight and a variable action of 3 0 kN m2 TheThe design of one way slab is simple and can be carried out easily The ACI 318 19 provides a number of requirements regarding slab thickness concrete cover and reinforcement ratio which facilitate the design process For instance the ACI 318 19 specifies minimum slab thickness that satisfies deflection

Depending upon the requirement and the design of the structure different types of slabs such as concrete slabs flat slabs waffle slabs etc can be used The major functions of the slab can be listed as follows a Slab serves as a flat surface or a walking surface b Slab provides support to the loads imposed on the structure c It acts as a means of sound heat as well as fire 1971 02 13 nbsp 0183 32 Footings Example 1 Design of a square spread footing of a seven story building Design and detail a typical square spread footing of a six bay by five bay seven story building founded on stiff soil supporting a 24 in square column The building has a 10 ft high basement The bottom of the footing is 13 ft below finished grade The building is assigned to Seismic 🕑 Reading time 1 minute One way slab is a type of concrete slab in which loads are transferred in one direction to the supporting beams and columns Therefore the bending occurs in only one direction The design of one way slab is simple and can be carried out easily The ACI 318 19 provides a number of Design of Slab Examples and Tutorials by Sharifah Maszura Syed Mohsin Example 1 Simply supported One way slab A rectangular reinforced concrete slab is simply supported on two masonry walls 250 mm thick and 3 75 m apart The slab has to carry a distributed permanent action of 1 0 kN m2 excluding slab self weight and a variable action of 3 2021 08 17 nbsp 0183 32 A shallow design reaches only about three feet into the soil Concrete pads extend below the high frost line transferring load from the walls to the earth Some post and pier slab on grade and concrete runners fall in this category You ll use a deep foundation in areas with poor soil quality or with deep frost lines You may also use it on hillsides floodplains and near

Engineering Bulletin 232 AASHTO LRFD Design of Cast In Place Concrete Bridges This example demonstrates how Slab Bridge Designer 2 1 analyzes the design of a flat slab reinforced concrete bridge From October 2007 all bridges receiving federal funding must be designed by AASHTO LRFD Specifications The Load Resistance Factor Design LRFD limit states are based on the Example Design the given 12 feet simply supported slab carrying a uniform service dead load excluding self weight of 120 psf and a uniform service live load of 100 psf Concrete compressive strength f c′ 3 ksi and steel yield strength f y ACI 347 04 Guide to Formwork of Concrete specify that to allow for workers and their placing tools such as screeds vibrators and hoses at least 2 4Kpa live load should be used for the design of horizontal formworks and a minimum live load of 3 6 kPa should be employed in cases where motorized carts and buggies are utilized Furthermore CE 433 Reinforced Concrete Design Summer 2013 Example Slab Design 1 2 Material Properties Geometry compressive strength of concrete f c 5 000 psi span length of slab beam spacing L 18 ft center to center coefficient for depth of stress block 1 2011 09 30 nbsp 0183 32 Also assume that the column is mounted at the corner of a large concrete slab Design solution The aim of this whole exercise is to calculate the design tensile strength and design shear strength of the group of anchor for a selected anchor bolt diameter and check if the design strengths are higher than the applied loads If they are then we will declare that the