DESCRIPTION OF FAILURE MODES The design of steel deck reinforced slab systems is based on the load-carrying capacity according to the governing failure mode. 3 STEP-BY-STEP DESIGN PROCEDURE FOR SLABS Step 1 Analysis Carry out analysis (follow Section 3. Normally the entire building, 10 to 15 levels, is carried by a transfer slabs. I have a two storey building, and my second floor and roof loads are transmitted to column footings below my slab on grade. 1R-08, Guide to Shear Reinforcement for Slabs, and ACI 421. If it can be imagined, concrete can help make it happen and there is a good chance voided concrete slabs will make it happen more flexibly. deff = the effective depth of the slab taken as the average of the effective depths in two orthogonal directions. A slightly deeper section is required but these stiffer floors facilitate longer spans and provision of holes. It is used to transfer the floor loads to the support post and pillars. OVERVIEW OF THE REQUIREMENTS FOR RAFT SLABS Below is a general overview of the Building Code of Australia (BCA) requirements for raft slabs for houses and associated buildings. Post tensioning flat slab are not complex where the construction technique, structure behavior and design are all simple. Inadequate detailing and/or installation of moisture barrier systems around the slab edge and external walls. Jan 15, 2017 · In this post, I will go over the third example in our course that covers the analysis and design of reinforced concrete one-way slabs. The cross section of the profiled sheeting is shown in Fig. normal weight concrete above the deck, for fire protection and mass. Approximate Elastic Method, or "Equivalent Strip" Method (AASHTO 4. Customers tell us we offer excellent value. I’m sorry, but we don’t design waffle slabs. Manual for Design and Detailing of Reinforced Concrete to the September 2013 Code of Practice for Structural Use of Concrete 2013 2. com Ezekiel Enterprises, LLC 301 Mission Dr. A second video shows how the shear resistance of the slab and its deflection are checked. 2R Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures. We're passionate about finding solutions for each unique design challenge in order to create compelling digital experiences that engage and delight. According to ACI-318-1963. 12 Analysis and Design of Flat Slab Structures 2-35 2. Sewer pipe penetrations, water line entry penetrations, drain basins in the floor slab or sleeves for electrical, gas or communication are all common penetrations, typically with their own design or detailed features. Slab Specifications Please note that the specifications provided are generic. Dec 24, 2002 · This new edition of a highly practical text gives a detailed presentation of the design of common reinforced concrete structures to limit state theory in accordance with BS 8110. Residential footing system design, detailing and construction shall also comply with AS 3600 except that, where in conflict, this Standard (AS 2870) shall take precedence. twinsprings. Thankfully, anyone can build such stunning projects because doing so requires only basic techniques and tools. The mid-span bending moment is: kNm/m : The design vertical shear is: kN/m : 1) Bending resistance check. Design an exterior panel of a flat slab floor system of size 24m x 24m, divided into panels 6m x 6m size. 1 analyzes the design of a flat slab reinforced concrete bridge. Design Example of a Building IITK-GSDMA-EQ26-V3. One-way and Two-way Slabs One-way slabs transfer the imposed loads in one direction only. new approach slab design approach slab was thickened to reduce live-load deflections due to heavier vehicles strain gauges and pressure cells were installed and used to measure: deformation and internal stresses in the slab contact stresses between the slab and embankment soil. 1 Worked Example 2 (Version 1) Design of concrete cantilever retaining walls to resist earthquake loading for residential sites. Unless otherwise specified, all code references refer to the AASHTO LRFD Bridge Design Specifications, 8th Ed. 0 Some Highlighted Aspects in Basis of Design 2. Example: Design the 4 marked slab panels of an ordinary house. Rigid design takes about 10 to 20 minutes Flexible design can take several hours Power Point Presentation with solved examples has been embedded below for better understanding. Apr 28, 2018 · This example is for the design of a reinforced concrete flat slab without column heads. that the project report entitled “Analysis and design ofmultistory(G+6) residential building using Staad Pro ”, Under the guidance of Prof. DESIGN OF MASONRY STRUCTURES Third edition of Load Bearing Brickwork Design 5. 5 metres wide footway on either side for a National Highway. Spread Sheet For Civil Engineers (part 2) May 26, 2016; DOWNLOAD LINK This collection includes following spreadsheets under following categories. The proto2 type size was 7. The first stage of the design is finding the bending moment of the slab panels. , Los Angeles, California. If this modelling alternative is used, the maximum moments obtained in the slab should be used for design. Department of Mechanics, Materials and Structures English courses Punching of flat slabs – design for shear at th e column heads (for example FEM – the. Professor Vellore Gopalaratnam. Design of slabs with wisdom we idealization into strips or beams spanning one way or a grid with design of one-way slab www. In this example, with the sub-grade comprising a consistent medium dense sand, a design span of 0. Design of stair case with central stringer beam. Here is a detailed article with all the information regarding procedure of RCC slab /roof laying. * Prestressed concrete beams and slabs. Becker Computerized Structural Design, S. Porch foundations from slabs don't have to be just at ground level. The USC School of Architecture is Southern California’s oldest architecture school and the only architecture school connected to a private research-1 university on the West Coast. This design is a complete flat plate slab design, from shear to bending along with design of columns and shear head reinforcement. What to expect from this course: After completion of this course, you are expected to be able to design the two types of RC Beams: Joist Slab System, and Solid Slab System. required to transfer forces from the core wall to the perimeter walls, selection of appropriate slab stiffness values and design of slab reinforcement are important issues. * Oneway slab - in this slab it needs moment resisting reinforcement only in the direction of its shorter side. 2 Serviceability Check at Service Load 10-13 10. Concrete slabs are commonly divided into the following types: • Beamless slabs Beamless slabs are supported only on columns and are applied mostly in large industrial and public buildings. Length of Bar required is Less than A + B. * Retaining walls. Instructional Materials Complementing FEMA 451, Design Examples Foundation Design 14-16 Reduction of Overturning Moment • NEHRP Recommended Provisions allow base overturning moment to be reduced by 25% at the soil-foundation interface. Two Way Reinforced Concrete Slab Design Spreadsheet (Working Stress Design Coefficient Method). 2 feet) in diameter, with three wheel and axle sets on trucks that can have an overall wheelbase of nearly 4 meters (13 feet). u = the length of the perimeter. Simply defined, Creep is permanent deformation (Deflection) of a structural member under the normal working load. Approximate Elastic Method, or "Equivalent Strip" Method (AASHTO 4. Thickness of slab: 6 in. Design detail for example A24 Figure 18. If building a porch a few feet off the ground, concrete blocks are typically used to create the form. The fun thing about slab typefaces is that because of thick stroke weights, there are a lot of things you can do with them. > b/3, front counterforts are provided above the toe slab and the slab is designed as a continuous b horizontal slab spanning between the front counterforts. FRANZÉN Department of Civil and Environmental Engineering Division of Structural Engineering Concrete Structures Chalmers University of Technology ABSTRACT. In the first one, the group of footings has no connections while in the second one, the group of footings is connected together by stiff tie beams considering the interaction effect among footings, tie beams. One way slab being supported on two opposite sides only leads to the structural action in single direction. An example of how to design one way slab with detailing. 640 k/ft) and the design wheel loads. 1 Worked example A simply supported beam has an effective span of 9 m and supports loads as shown. The worked examples in this chapter c onsider the design of a pad footing on dry sand (Example 10. Flat plate concrete floor system does not use beams between columns or. Will, Advisor School of Civil and Environmental Engineering Georgia Institute of Technology Dr. Its made of concrete. Slab Specifications Please note that the specifications provided are generic. Design a slab and girder bridge with 7. Slab support mainly transverse load and transfer them to supports by bending actions more or one directions. 2 m [4 to 8 in. This allows the slab to move relative to the footings. In addition to designing the deck for dead and live loads at the strength limit state, the AASHTO-LRFD specifications require checking the deck for vehicular collision with the railing system at the extreme event limit state. 0m from the fixed end. Accordingly, main reinforcement is required in the two directions. Flexural Strength When Both Bending Moments are Acting Design Example of. Spread Sheet For Civil Engineers (part 2) May 26, 2016; DOWNLOAD LINK This collection includes following spreadsheets under following categories. 7 Procedure for deflection checking 44 4. First stage of the design is finding the bending moment of the slab panels. Precast concrete offers durable, flexible solutions for floors, walls and even roofs in every type of domestic construction from individual cottages to multi-storey apartments. Dutta , IIT Bhubaneswar. Unit 571 New Smyrna Beach, FL 32128. Chapter 5 Concrete Structures 5. They may be supported on two opposite sides only [Fig. A square tied column supports a dead load of 400 kips and live load of 200 kips. Design of One way slab. The slab is supported on beams of size 225 x 500 mm spaced at 4. Heavy arch ribs designed to resist axial force and bending. Nov 05, 2019 · Slab design is comparatively easy when compared with the design of other elements. SMARTSLAB provides a total service for the design and construction of suspended slabs. ] and more). 1 Ultimate and Serviceability Limit states The ultimate and serviceability limit states used in the Code carry the normal meaning as in other codes such as BS8110. Raft Foundation Analysis and Design Example - Free download as PDF File (. Some of these slabs have experienced excessive deformation of the foundation and fill soils under the slab and sleeper beam. clear roadway having a span of 12. Slab Foundations Slab foundations are simple and inexpensive, and they eliminate the need for major excavation, footings and foundation walls. Two-Way Flat Plate Concrete Floor System Analysis and Design The concrete floor slab system shown below is for an intermediate floor to be designed considering partition weight = 20 psf, and unfactored live load = 40 psf. One way slab: When the slab is supported on two opposite side parallel. 6 Serviceability Requirements of Flexural Members 10-12 10. In addition to designing the deck for dead and live loads at the strength limit state, the AASHTO-LRFD specifications require checking the deck for vehicular collision with the railing system at the extreme event limit state. A review of the design values suggests that a more balanced design option for the subject matter floor slab would be to increase the amount of post-tensioning provided. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for one-way and two-way slabs as per IS 456:2000 have been tried to present here. Topic 10 – AASHTO Rigid Pavement Design Figure 12. As needs change, your building is better prepared to adapt. Loads On Beams Load Distribution. Open the excel file and the user can locate the proper. 10 Design method from patch loads using design charts derived from Westergaard equations The above example illustrates the complexity of undertaking calculations in the case of patch loads. REINFORCEMENT DESIGN FOR A CONCRETE SLAB: Reinforcement designs of concrete slabs come in two types. Examples C1 through C5 are a set of examples that illustrate the elevation of a single-story home with a crawlspace. 0m from the fixed end. The one-way slab is deflected in one way direction and primary. Flat slabs 13. Reinforced concrete structures II – Two way slab Example Reinforced concrete structures II Page 1 Example 3. Even with the best slab designs and proper construction, it is unrealistic to expect crack-free and curl-free floors. Title Reinforced Concrete Slab Design Using The Empirical Method Publication No. PCA Design Method • Two failure modes considered: - Fatigue failure due to slab flexure - Erosion failure due to foundation compression • Edge loads produce the worst stresses - Fatigue based on tensile stress due to edge loads • Corner loads produce the worst deflections - Erosion based on deflections due to corner loads 2. * the design moments in the edge panel may have to be adjusted according to 3. One way slab: When the slab is supported on two opposite side parallel. 3m will not satisfy the e-distance heave based on the mound model (Mitchell 1980). dwg Format A collection of over 9,230+ 2D construction details and drawings for residential and commercial application. Now, I just need to design my slab on grade for a relatively small uniformly distributed load (Live load = 4. The program covers wide range of two-way slab systems and can be used for more complex slab layouts. READ  M  ORE   . The floor system consists of six panels in each direction. Two-way slabs 11. Rigid design takes about 10 to 20 minutes Flexible design can take several hours Power Point Presentation with solved examples has been embedded below for better understanding. for example M20,M25 mixtures are used and steel 1% to 2. edu is a platform for academics to share research papers. 1R-08, Guide to Shear Reinforcement for Slabs, and ACI 421. The following example illustrates the design methods presented in ACI 318-05 and IBC 2003. 2, f Standard Wheel Gaug-AAR (Railroad) locomotives can have wheels that are over 1 meter (3. *FREE* shipping on qualifying offers. This floor system allows for large, clear spans and efficient overall slab thicknesses. 19 If bedrock. There are three approaches to designing for shear: • When shear reinforcement is notrequired e. Bending will take place in the two directions in a dish-like form. This document presents an FPSF design procedure for slab-on-grade, stem wall foundations, and unventilated crawlspace foundations, and includes design examples, and specific construction methods and details. Economically design post-tensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. sections. DESIGN OF THE FLAT SLAB STRUCTURES. Example 2 - Design of a short axially loaded tied column based on given loads. 1 Slab Design Procedure 40 3. This includes self-employed structural engineers, small consulting firms, large design-build firms, government agencies, manufacturers, construction specialists, and more. Design of beams and Slabs 8. Sep 05, 2011 · Design of nib vav ultimate load per metre bd2fcu 1 metre Net bearin S alli for nib width Slab S allowance for slab onstructionat inaccuracy of stab wall Step 4 Theoreti al line Of nib Theoreti I arin wid t SK 5/7 Typical calculation for net bearing width Of nib. 3 STEP-BY-STEP DESIGN PROCEDURE FOR SLABS Step 1 Analysis Carry out analysis (follow Section 3. BSS09011999-1 Abstract This design example illustrates the Empirical Design Method for composite concrete bridge decks specified in Article 9. Mar 26, 2015 · rcc t beam, column, slab roof design example Some practical examples are uploaded with drawings. new approach slab design approach slab was thickened to reduce live-load deflections due to heavier vehicles strain gauges and pressure cells were installed and used to measure: deformation and internal stresses in the slab contact stresses between the slab and embankment soil. Note that rebar must be added in both the tension and compression regions for the entire slab since the software will only use the user-defined reinforcement, and not use the reinforcement design. Calculate the maximum wall load(in pounds per linear foot) that the edge of a concrete slab-on-grade floor can support by providing the following input1. As needs change, your building is better prepared to adapt. Floors - Ctr Wall Ld Thickness Calculate the required thickness of a concrete slab-on-grade floor to support a wall load at the center/interior or on a joint. Inroduction When the ratio (L/S) is less than 2. slab design, beams design, column design. Track 2, Example 1 This design example demonstrates how to use the Iowa DOT ENR (Engineering News-. Whenever you work with any kind of flooring or surface treatment in a below-grade basement location, the first thing that you have to do is test the moisture content of the floor over. Background information on design theories is followed by discussion. Different Types of concrete slabs in construction:-There are 16 different types of Slabs in Construction. 18 gage composite deck, and 4½ in. Raft foundation. Chapter 8: Precast Concrete Design 8-25 Number 3 dowels are used to provide continuity of the topping slab welded wire reinforcement across the masonry walls. Cables are arranged as indicated by the engineer and chaired to run through the center of the slab. A candidate for the degree of. 1 Design a floor slab simply supported over a clear span of 3m. txt) or read online for free. analysis and design methods examined in this section will be limited to these types. Since we are casting the slab at different times, shear transfer and a potential crack may occur and thus shear friction check should be performed. The shaded slab will be cast first and the remainder will be poured after some time. 0m from the fixed end. With some limitations, reinforcement for slabs can be sized using the Subgrade Drag Theory in order to increase the spacing of control or construction joints. Round slab thickness up to the nearest ¼". 5 Modulus of Subgrade Reaction. Two way slab design by direct design method as per ACI 318-11, step by step procedure and limitations of direct design method for two way slab is presented. Assakkaf CHAPTER 4b. Slab Design Example Post-tensioned, un-bonded one-way slab with draped tendons (midspan moments will be assumed to control) , where is the area of the entire section shown above and is the shaded area. com (talk | contribs). Jan 24, 2015 · - General design and detailing is similar to a floor slab, except that loads and reinforcement locations are inverted. pdf), Text File (. 3-14, Design of Concrete Structures, and recommendations of ACI 421. The formulae, calculations and tables used in this spreadsheet are based on ACI committee 347, Formwork for Concrete, 6th Edition. The deck may consist of 3 girders spaced at 2, 45 m. 4 Column and Middle Strips, 496. Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. Design a typical floor beam with 3 in. McCabe1 The enclosed example is presented to demonstrate the intent and use of the AISI "Tentative Recommendations For The Design of Composite Steel Deck Slabs," and hereafter will be referred to as the criteria. Any section along the moment slab should not fail in shear, bending, or torsion when the barrier is subjected to the design impact load. DESIGN EXAMPLE ON COMPOSITE STEEL DECK FLOOR SLABS by Thomas J. 18 gage composite deck, and 4½ in. Given: f cu = 20 N/mm 2 and steel 240/350. Using the assumption, moments are determined and used in the design of the deck slab, this method popularly. Calculations are based on user defined design shear. clear roadway having a span of 12. Residential footing system design, detailing and construction shall also comply with AS 3600 except that, where in conflict, this Standard (AS 2870) shall take precedence. Welcome to rcdesignspreadsheets. The superimposed dead load (SDL) is 1. Current Supplement. 2) Bar Spacing 4. 0m from the fixed end. Reinforced Concrete Design to BS8110 Structural Design 1 - Lesson 5 5 4. * Design of beam and slab sections for flexure, shear and torsion. An example of how to design one way slab with detailing. Slab-on-Ground Design by Using the PTI Ken Bondy Method. * the design moments in the edge panel may have to be adjusted according to 3. If this modelling alternative is used, the maximum moments obtained in the slab should be used for design. Analysis and Design of Slabs It may be supported by reinforced concrete beams (and is usually cast monolithically with such beams), by masonry or by reinforced concrete walls, by steel structural members, directly by columns, or continuously by ground. You may get more detailed and to the point advice, by providing some specific details of the the house, like. 4 Slabs Spanning in Two Directions at RightAngles 24. Loads On Beams Load Distribution. Download our free Two Way Slab Design Spreadsheet only from Samotech. Track 2, Example 1 This design example demonstrates how to use the Iowa DOT ENR (Engineering News-. Reinforced Slab Bridges: For short spans, a solid reinforced concrete slab, generally cast in-situ rather than precast, is the simplest design. shown on pages 42 and 43 of our Design Manual and Catalog of Steel Deck Products. 5 metres wide footway on either side for a National Highway. Part Three we will now continue with the study of two-way, post-tensioned slab systems, including a complete design example using the Equivalent Frame concept. 2 Left click Jurisdiction Publications. The beams are ASTM A992 and are unshored. From the design criteria, the post-tensioned slab is designed for a uniformly distributed superimposed dead load of 3. Top half of slab. Prabhakar, Chartered Structural Engineer, Vasai (E), Thane Dist. Generally, there are two types of slab which are one way and two way slabs. 2 Analysis of structure: simplified method 2-36 2. Since we are casting the slab at different times, shear transfer and a potential crack may occur and thus shear friction check should be performed. Solved Example A cantilever slab 200 mm thick is 1. Two-Way Flat Plate Concrete Floor System Analysis and Design The concrete floor slab system shown below is for an intermediate floor to be designed considering partition weight = 20 psf, and unfactored live load = 40 psf. 0 International " Version History Cite this work. 0, slab is called two-way slab, as shown in the fig. CE 433, Summer 2013 Slab Design Example 1 / 5 Design a one‐way slab for an interior bay of a multi‐story office building using the information specified below. the slab design 10 beam spacing and location 12 slab reinforcing 13 beam reinforcing 13 site preparation 14 slab forming 15 steel placement 16 special conditions 19 concrete placing 20 inspection 22 shrinkage cracks 23 appendix a notation appendix b design examples appendix c references tf 700-r-07. Design of Mat/Raft Foundation • Mat or raft foundation is a large concrete slab supporting •Example • A mat foundation is to be design by the conventional. 6 – Added limits of utility pipe sizes based on beam depths Section 4. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. For most projects, conventional materials should be specified. actually a one way slab satisfy the. 1 Help: Example Analysis Using data from the Portland Cement Association Engineering Bulletin 232, AASHTO LRFD Design of Cast-In-Place Concrete Bridges This example demonstrates how Slab Bridge Designer 2. 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. In the first one, the group of footings has no connections while in the second one, the group of footings is connected together by stiff tie beams considering the interaction effect among footings, tie beams. If the ratio of longer dimension of the slab panel to the shorter dimension is greater than or equal to 2 then it is designed as one way slab. Difference between One Way Slab and Two way slab:. To design any structure, and not just a cantilever slab, here is the general procedure: 1. In addition, the ceiling surface is flat and paint ready. Slab on metal deck analysis and design (both composite and form deck) per SDI and ACI 318-99. Fonts are like treasure to designers who always struggle to find good fonts, and this font is an example of that. Approximate Elastic Method, or "Equivalent Strip" Method (AASHTO 4. Solution: Panel Edge Conditions Analysis and Design of. The basic perimeter, u1 is at 2deff from the column. Track 2, Example 1 This design example demonstrates how to use the Iowa DOT ENR (Engineering News-. A civil engineer must know all the aspects regarding the flat floor system. flat slabs and pad foundations. the ratio of the stiffness of the slab to the stiffness of the foundation. Design of Slab (Examples and Tutorials) by Sharifah Maszura Syed Mohsin Example 2: Continuous one way slab Figure 1 shows a clear area of 12 m x 8. Worked example to accompany MBIE Guidance on the seismic design of retaining structures for. The proposed slab system must meet the current code. 5 Design Assumptions for Prestressed Concrete Structures 10-11 10. Job Title: COMPOSITE SLAB Worked Example - 1 Made by SSSR Date 14-05-00 Structural Steel Design Project Calculation Sheet Checked by PU Date 08-08-00 Check the adequacy of the continuous composite profiled deck slab with spans of 3. 715m long, and it is supporting a blockwork load at 1. Two aprons were designed, 5100 m 2 and 2500 m 2 in area respectively. 57m (24ft 15ft) and a working live load of 4kN/m was assumed. Wood design procedures are used to design the connections between the foundation system and the structure above and follow the allowable stress design method for wood construction. One-way and Two-way Slabs One-way slabs transfer the imposed loads in one direction only. Design Consideration: Full structurally continuity is assumed in the design at a construction joint with the reinforcement is fully continuous across the joint. Spread Sheet For Civil Engineers (part 2) May 26, 2016; DOWNLOAD LINK This collection includes following spreadsheets under following categories. 25 MPa fy = 300 MPa Analysis and Design of Slabs Two Way. Mar 05, 2018 · Slabs can be overwhelming and difficult to read if too many letters are used because of the weight and size. deff = the effective depth of the slab taken as the average of the effective depths in two orthogonal directions. Design of One-way Slabs The procedure of the design of one-way slab is the same as that of beams. Professor P Frank Pai. The slab is supported on beams of size 225 x 500 mm spaced at 4. Design of concrete structures shall be based on the requirements and guidance cited herein and in the current AASHTO LRFD Bridge Design Specifications (LRFD), AASHTO. Live load: W L = 50 psf. In the design analysis, it is assumed that the reactive pressure provided by the sub-base/subgrade material under a concrete slab is proportional to the deformation below the point of loading. Market for Post-Tensioning Tendons Post-Tensioned Concrete Slabs-on-Ground Author:. Slab Bridge Designer 2. from top beam or flange edge except for spread slab and box beams, which have a 0 ft. Recommended Practice for the Design of Residential Foundations - Version 1 - 3 of 17- Section 2. Part Two of the course was example-intensive, and key concepts were introduced along the way. Examples of the Design of Reinforced Concrete Buildings to BS8110, Fourth Edition. In the WebStructural beam design app each of these steps has an associated icon to allow you to efficiently work through the design process. Left click Save Target As… and save the file to a desired folder on user's computer. Herein the introduction to direct design method. Aug 30, 2014 · The design I am going to share with you today is Design of Flat Plate Slab as by definition; Flat plate slab is that in which slab is directly supported on columns without column capital, drop panel or beams. SIMPLE SPAN REINFORCED CONCRETE SLAB BRIDGE INPUT: VERSION 6. The example presented here is for Two-Way Post-Tensioned Design. Slab on metal deck analysis and design (both composite and form deck) per SDI and ACI 318-99. View example in PDF format. The grid is three-dimensional, with a layer of rebar near the bottom of the slab and another near the top. Typically street pavement slabs range from 5 to 8 in. For those of you who are interested in the design possibilities of natural stone, here are fifteen examples of stunning interior design using natural stone. most of the time). College of Engineering Mysore 1. d) reinforced concrete slab They could be applied when the tanks are relatively small because this type of foundations is very expensive. Reinforced Concrete Slabs, 2nd Edition [Robert Park, William L. This Report is intended to serve as a manual of good practice for the design of prestressed concrete flat slabs. 3 Columns Internal, edge and corner columns 72. Sep 13, 2016 · Design Calculation Steps for Flat Slab Previously I noticed that, some examples on Design of Flat Slab will be published soon. Slab with Reinforcement on Both Faces with Diagram of Stress and Figure C-12. Now, I just need to design my slab on grade for a relatively small uniformly distributed load (Live load = 4. departemen teknik sipil dan lingkungan fakultas teknologi pertanian. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. the thickness of the slab. Our prices are quoted as lump sum fees for footing and slab designs so you know how much our fees are before we start. Construction of post-tensioned slabs on grade is very similar to using reinforcing steel, except for the tensioning step. Jan 24, 2015 · - General design and detailing is similar to a floor slab, except that loads and reinforcement locations are inverted. Download structural analysis software DECKSLAB 1. SHEAR IN BEAMS Slide No. in this tutorial 1st we will learn What is one way slab? then we will go ahead for design process. a complete design example. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. The slab is part of a larger floor plate and is taken from Guide to the design and construction of reinforced concrete flat slabs[29\ where finite element analysis and design to Eurocode 2 is illustrated. I believe that thickness is too high. Columns and deck not designed to resist longitudinal bending (very flexible). 0, slab is called two-way slab, as shown in the fig. Additionally, ACI recommends a maximum water-cement ratio for PCC exposed to freezing and thawing in moist conditions (such as curbs and gutters) or PCC in the presence of deicing chemicals (such as PCC pavement slabs) of 0. Gamble] on Amazon. The following example illustrates the design methods presented in ACI 318-05 and IBC 2003. View Notes - 2-way PT slab design example_opt from ENB 471 at Queensland Tech. The design is in accor-dance with ACI 318, treating a stud as the equivalent of a vertical branch of a stirrup. Design Procedure for One Way Slab. Slabs without drop and column head.