UHPC Material Properties. 4)- Torsionally restrained two way slabs In the previous sections, we discussed about the analysis and design of Simply supported two way slabs. The new two-volume manual provides guidance and assistance to professionals engaged in the design of reinforced concrete structures. In this article, I will discuss how to design One way slab with example. User friendly interface makes it easy to use. This paper presents a simplified method to the nonlinear analysis of reinforced concrete slabs and beams for serviceability and ultimate limit states. Inroduction When the ratio (L/S) is less than 2. GODZWON A thesis submitted to the faculty of the SCHOOL OF MINES AND M ETALLURGY OF THE UNIVERSITY OF MISSOURI in partial fulfillment of the work required fo r t h e Degree of MASTER OF SCIENCE IN CIVIL E N G I N E E R I N G Rolla, Missouri Approved by. Design of Pile Cap Excel Sheet. CRSI's Reinforced Concrete Concept is an online tool for preliminary slab design that provides design and construction teams with comparative evaluations and estimates for the most popular reinforced concrete structural floor systems. Reinforced Concrete Design Software. Bending moments coefficiens have been taking from the BS code. Here the ratio of longer span of slab to the shorter span of slab is less or equals to 2. spSlab (formerly pcaSlab/ADOSS) is highly efficient and widely used for analysis, design and investigation of reinforced concrete floor systems. 0 PROVISION OF HOLES IN SLABS In design, two-way slab systems are divided into column and middle strips in two perpendicular directions. The analysis. In this post, I will go over the fourth example in our course that covers the analysis and design of reinforced concrete one-way slabs. Slabs are the most widely used structural elements whose thickness is considerably less than their other. Once the concrete has been adequately mixed, it must be placed into the formwork that defines its final position and shape. A New Punching Shear Equation for Two-Way Concrete Slabs Reinforced with FRP Bars design provisions for shear in two-way slabs are based on testing carried out on steel reinforced slabs. Concrete is one of the most economical, versatile and durable building materials available. In this article, the lap lengths of bars is discussed. Flat slab, waffle slab. These components are reinforced with steel that give stability to the structure. Keywords: Concrete; Flat-slab; Two-way; Glass fiber-reinforced polymer (G FRP); Parking;. Reinforced Concrete Design By S Unnikrishna Pillai And Devdas Menon Free Download PDF Reinforced Concrete Design By S Unnikrishna Pillai And Devdas Menon Traditionally, the study of reinforced concrete design begins directly with a chapter on materials, followed by chapters dealing with design. Reinforced concrete is a logical union of two materials: plain concrete, which possess high compressive strength but little tensile strength, and steel. This paper presents a summary of the design criteria for the slabs reinforced with GFRP bars, the construction details and the monitoring system for internal temperature and strain data. The equations for the analysis have been obtained from the Reinforced Concrete Designer's Handbook by Reynolds and Steedman. In this article, I will discuss how to design One way slab with example. Analyse, design and detail reinforced concrete staircase in accordance to the relevant codes of. Flat slab two-way systems have drop panels (for shear. Cement and concrete are two the most inexpensive, yet durable options for your foundation, driveway, patio or pool deck. It carries a service live load of 8. My Concepts Area. 0, per American (ACI 318) and Canadian (CSA A23. Behaviour in Flexure 5. Tayabji Regional Manager CTL Group Report 0-5320-1 Project 0-5320. Highlighting was placed on assessing the effect of slab thicknesses, fiber volume fractions, and freely dropped weight heights on the RC two‐way flat slab behavior in terms of ultimate load capacity, deflection profile,. Inroduction When the ratio (L/S) is less than 2. Fulfilment of the rigidity requirement of slabs 5. There are three types of joints:. 06) m one-way strips reinforced concrete slabs have been constructed. Two Way Slab Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download Reinforced Concrete Staircase Design Spreadsheet to ACI-318-08 Download. Definition of one-way and two-way slabs 2. The load on slab comprises of Dead load, floor finish and live load. 1 - Aspect Ratio of One-way Slab In addition to the slab supported on two or four edges as mentioned above,. , will be at least 200mm thick and should be specifically designed as they will probably require a sub-base of at least 100mm thickness, and steel reinforcing mesh or a fibre-reinforced concrete. Reinforced concrete design encompasses both the art and science of engineering. This study confirmed the feasibility of replacing steel by either CFRP or GFRP reinforcement for two-way flat slab parking structures if the. The goal of this reinforced concrete design example is to compute the minimum required slab thickness for the interior panel of a floor system per ACI Code 318-11. And an overly thick slab will cost more than it needs to and be more difficult to put in. The success of Super Slabs can be attributed to the effective combination of superlative products and dedicated service excellence. Design of singly reinforced beam ( By. CON4332 REINFORCED CONCRETE DESIGN Chapter 5 3 HD in Civil Engineering (Aug 2014) Figure 5. Experiential Investigation of Two-Way Concrete Slabs with Openings. Lambot, a French contractor, and made of hydraulic lime concrete reinforced with a skeleton of iron rods. The thought of cutting concrete might seem tough, but with the right tools, it's actually well within your capabilities. The work presented in this thesis seeks to elucidate the structural behaviour of reinforced concrete slabs during exposure to heating from below, as would occur in the case of a building fire, with a particular focus on structural fire modelling using finite element analysis. join us today and enjoy unlimited downloads. Reinforced Concrete Slab and Beam Design Software ADAPT-RC 2017 Product Overview An Easy-to-use and learn software for the Design, Analysis, and Investigation of Reinforced (Nonprestressed) Concrete Beams, Beam Frames, Slabs and Floor Systems - a must have production tool in every structural engineering office. The void-shaper was made of polypropylene plastic and glass-fibre-reinforced plastic. It has been two to three years into adoption, but progress has been slow. S3 slabs were provided with. Two alternative design procedures for deflection control are presented in this paper. Before understanding the one-way slab or two-way slab, one should understand the slab. The new two-volume manual provides guidance and assistance to professionals engaged in the design of reinforced concrete structures. 60 (formerly pcaSlab/ADOSS) is highly efficient and widely used for analysis, design and investigation of reinforced concrete floor systems. Kameswara Rao3,. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Voided slab systems were developed using segmented void formers such as spherical or oval plastic balls for two-way slab applications. Load distribution pattern in one-way slab is in one direction for shorter span. • RCC Design and detailing could be performed for ten different boundary conditions • Option to save the design projects in local storage. Member Design - Reinforced Concrete Two Way Spanning Slab BS8110 v2015. In 2008, Peter J. One Shell Plaza, in Houston, TX uses this. Therefore, L/B>=2 Usually all the Cantilever slabs belong to. There are many variations of concrete slabs depending on the purpose of the slab. This course is intended for structural engineers and architects. RCC Slab Design is a free app for designing one way and two way reinforced concrete slab systems as per Indian Standards. Of course, most don’t use asphalt for a walkway or brick around a pool. 1 - Aspect Ratio of One-way Slab In addition to the slab supported on two or four edges as mentioned above,. Usually, when a slab is supported by a beam the support is considered to be pinned. , interior beam dimensions = 14 in. The way a slab spans its supports has a direct impact on the way in which the slab will bend. Reinforcement system of simple supported and continuous one-way slabs, the distribution steel 7. In one-way slab, main steel is provided in one span. Combined Strap Footing Design. A two-way slab has moment resisting reinforcement in both directions. Mr Francis Beale has written to us expressing great interest in the paper and suggesting that some. In 1854, a Newcastle plasterer, William B. Design of a two way reinforced concrete slab with RCsolver software program according to Eurocode 2 specifications. Lecture series on Design of Reinforced Concrete Structures by Prof. show stress ranges for which design requirements change. In above figure (b) represents one way slab. @Rana sab ref:DESIGN OF CONCRETE STRUCTURES by Arthur. Keywords: Circular Slab, Two-Way Joist Slabs, Ribbed Slabs, Waffle Floors, Grid Floors, Yield-Line Theory. Two-Way Flat Plate Concrete Floor System Analysis and Design. It is assumed that all nine bays of the concrete. a fiber reinforced. Special characteristics of rc slabs 3. Such work will allow for the development of new design and analysis procedures which will enable engineers to efficiently and accurately design and analyse such structures. The design process described in Analysis of an Ultra-High Performance Concrete Two-Way Ribbed Bridge Deck Slab is a step toward the development of design specifications for UHPC. 2 m is reinforced with 10 mm diameter bars spaced at 125 mm c/c at an effective cover of 25 mm. This paper presents the latest developments of a simple method used to determine the ultimate load of two-way simply supported reinforced concrete slabs. Beam depths of L/15 to L/20 are used. Intended Audience. direct-design method can be used for two-way slabs: a) supported by beams and b) with or without drop panels, capitals, or both. You are expected to have a solid background in: design of reinforced concrete beams including shear and flexure, one-way and two-way slabs, and short and slender columns. When structure is subjected to high lateral forced coming from seismic events, reinforced concrete slab will act like a ridged. two-way slabs, just as with one-way slabs, butthe rules for minimumthickness are not nearly so simple. Two-way slabs are generally defined as suspended slabs where the ratio of the long to the short side of a slab panel is 2 or less. Architect & Design Subscriptions. Two-way slab systems come in many forms: flat plates, flat slabs, waffle slab, and two-way slab with beams. Buildings modeled in RISAFloor ES can even be modeled with a mix of concrete and beam-supported (i. RCC Slab Design depends on the on the dimensions of the slab after which the slab is termed as a one-way slab or a two-way slab… In the design of RCC structures, Column Design and Beam Design are to be done before we start with RCC Slab Design…. The first is an empirical new model which is considered as a modification of El-Gamal et al. Professor Emeritus. 2 Cantilever RCB slabs. A waffle slab or two-way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside. A flat slab is a two-way reinforced concrete slab that usually does not have beams and girders, and the loads are transferred directly to the supporting concrete columns. The finite element method is commonly used to design the reinforcement in concrete slabs. Upgraded to ACI 318-11, spSlab v3. Odell Complete Concrete. the proper design of concrete slabs, whether used for thin-sheet products or more conventional structural slabs, depends on a thorough understanding of the two-way bending and punching shear behavior. used in the construction of two-way spanning reinforced concrete slabs. •Restrained two way slab (continuous). and some important theory Reinforced Cement Concrete (RCC) Full Course. A series of tests on filigree slab joints was performed with the aim of assessing whether such joints can be reliably used in the construction of two-way spanning reinforced concrete slabs. Twenty slabs were cast (10 one-way and 10 two-way) and tested under four-point load. These include one control slab (S1) without opening and the other four (S2, S3, S4 and S5) with rectangular opening at the centre. m BB 8 l M wl 22 12 A-A 2 1 kN-m, kN. Lawrence F. Concrete slab construction joint is used at the cente r of a floor two have a height equal to the floor RCC MEMBER DESIGN TIPS - Structural Engineering Forum of …. Reinforced Slab Design Manual. (A program to Design of two. Usually, when a slab is supported by a beam the support is considered to be pinned. Both two-way. REINFORCED CONCRETE DESIGN TO EC2 Minimum dimensions and axis distances for simply supported one-way and two-way solid slabs “How to design concrete. facing house. The concrete slab is supported by a perimeter frame, four internal columns and no internal beams. Direct Design Method (DDM) is the preferable method for designing the conventional two way slab system and other floor system like flat slabs and flat plate slab system. The Reinforced Concrete Design Handbook now provides dozens of design examples of various reinforced concrete members, such as one- and two-way slabs, beams, columns, walls, diaphragms, footings, and retaining walls. 0, slab is called two-way slab, as shown in the fig. Two-way reinforced concrete flat slabs are an efficient, economical and widely used structural system. Inroduction When the ratio (L/S) is less than 2. 2007, 80 pages. 3) concrete codes. Span/depth ratios for reinforced concrete slab design to BS8110. Thus, this research focuses on the application of those design codes in the form of spreadsheets from Microsoft Excel for the purpose of analyzing and designing of reinforced concrete slab. Here the ratio of longer span of slab to the shorter span of slab is less or equals to 2. RCC Slab Design is a free app for designing one way and two way reinforced concrete slab systems as per Indian Standards. Reinforced concrete integrated T-beam, 1-way slab, and column calculator Structural Concrete (ACI 318-14) and Minimum Design Loads for weight of reinforced. Design of Concrete Structures 14th Edition, 2009, by Arthur H. Qaisar Ali CE-416: Reinforced Concrete Design – II Department of Civil Engineering, University of Engineering and Technology Peshawar Introduction to DDM 9 Direct Design Method (DDM) is one of the methods for flexural analysis of two-way slabs with or without beams. If you opt-in to add fiber to your concrete mix, be aware that there will be some changes in the way you manage this concrete. Detailing and design of earthquake resistant buildings made of reinforced concrete. Students will learn advanced topics related to the behavior and design of reinforced concrete. The effectiveness of ABAQUS in analyzing reinforced-concrete beams and slabs also established a basis for its use in modeling a complete bridge deck. Cite this Article: Hayder M. This design approach is sometimes referred to as continuously reinforced or joint-less slabs and allows numerous, closely spaced (3 to 6 feet), fine cracks to occur throughout the slab. How to accomplish 12 mm plaster work estimation through spreadsheet. Aqueducts and box culverts 31. The concrete slab is supported by a perimeter frame, four internal columns and no internal beams. This study confirmed the feasibility of replacing steel by either CFRP or GFRP reinforcement for two-way flat slab parking structures if the. For more detailed definition: Flat Slab Floor System: Definition & Description. Two-Way Flat Plate Concrete Floor System Analysis and Design. Designing a 2 way slab with BS8110 has never been easy, infact I'll love to state here that BS8110 is quite old fashioned as far as design is concerned but its your question anyways so the answer you need could be found in this blog “Building Cont. The middle strip is bounded by two column strips. One should know the slab before you understand the one-way slab or the two-way slab. All members should pass otherwise increase beam size to pass Design > concrete frame design > display design/np Select longitudinal reinforcement For beam, for both upper and lower face, select max value & for column select max value and calculate No. * Valuable tables and charts are presented to help students and practising designers to arrive at a speedy estimate of the steel requirements in slabs, beams, columns and footings of ordinary buildings. Two Way Beam Supported Slab References: 1. Concrete column - circular section: Circular column designed with the tools of RCsolver: Concrete slab - two-way reinforced: Two-way reinforced slab designed with the tools of RCsolver: Concrete slab - one-way reinforced: One-way reinforced slab designed with the tools of RCsolver: Concrete Frame: Concrete frame designed with the tools of RCsolver. One-way slab is the most basic and common type of slab. non-concrete) floors, and the concrete slabs can take any shape or geometry. The service deflection, concrete compressive strain and crack width of reinforced concrete slabs with opening are greater than of reinforced concrete one way slabs without opening. Two way slab constrained have more than one panel or in section slab edge can be prevent from lifted. Reinforced concrete integrated T-beam, 1-way slab, and column calculator Structural Concrete (ACI 318-14) and Minimum Design Loads for weight of reinforced. All books are in clear copy here, and all files are secure so don't worry about it. Generally, there are two types of slab which are one way and two way slabs. 11 Combined Shear and Moment Transfer in Two-Way slabs. Concrete Structures & Design Sessional I One Way Slab Design Submitted To: Mr. use of the structure etc : 1) Singly reinforced : Here the reinforcement is provided only in the part below the neutral axis i. For those who do not know what are the des ign requirements of a slab. One way spanning slabs. Accordingly, main reinforcement is required in the two directions. Two approaches for predicting the punching strength of FRP-reinforced slabs are examined. non-concrete) floors, and the concrete slabs can take any shape or geometry. Assuming suitable bearings (not less than 10cm), find the span of the slab between the centers of bearings. Lecture series on Design of Reinforced Concrete Structures by Prof. in the tension zone. In this article, the lap lengths of bars is discussed. In lieu of an abstract, here is a brief excerpt of the content:. Remembering 10. The success of Super Slabs can be attributed to the effective combination of superlative products and dedicated service excellence. i need help how to design a two way slab for 3 floor residential building. Qaisar Ali Reinforced Concrete Design – II Department of Civil Engineering, University of Engineering and Technology Peshawar 3D Model of the House In this building we will design a two-way slab (for rooms), a one-way slab, beam and column (for verandah) 23. Below are some useful links for understanding concrete foundations, along with the three types of concrete foundations. Steel Floor Systems. ACI (American Concrete Institute). RamaKrishna2, Associate Professor, Department of Civil Engineering, Malla Reddy Engineering College Autonomous), Secunderabad. The one-way slab is deflected in one way direction and primary. Analysis and Design of Slabs. The minimum concrete slab thickness we recommend is 100mm. Usually, when a slab is supported by a beam the support is considered to be pinned. Two-Way Reinforced Concrete Slab Design Please Enter the Practically Physible Spacing for Main Steel of Two-Way Slab based on Summary. To appreciate this achievement, Committee 421 organized two technical sessions titled, "Two-Way Slab Systems: Recent Developments and Showcases on Design, Analysis, Construction, and Evaluation Methods", which were held at previous ACI Conventions on November 2015 in Denver, CO, and April 2016 in Milwaukee, WI. Design of Reinforced Concrete Isolated pad foundation. 3-04 Design of Concrete Structures, including its 2005, 2007, and 2009 amendments, and the National Building Code of Canada 2010. According to the 1995 ACI Code, all two-way reinforced concrete slab systems, including edge supported slabs, flat slabs, and flat plates, are to be analyzed and designed according to one unified method, such as Direct Design Method and Equivalent Frame Method. Such work will allow for the development of new design and analysis procedures which will enable engineers to efficiently and accurately design and analyse such structures. Reinforced slab 1. * Two way slab - It needs moment resisting reinforcement in both directions. Run the program for that. Here are the steps for the Design Procedure for One Way Slab in steps. One Way Slab One way slabs are such slabs in which the loads are shared only by the shorter direction of the slab. Static analysis and detailing 5. be supported on reinforced concrete beams in which case laced bars are used to connect slabs to beams. the landing should be determined by the conditions of either one-way or two-slab with the given support conditions. This paper describes the 3D analysis of two-way reinforced concrete slabs in fire conditions using a non-linear finite-element program, SAFIR. 3-14 is illustrated in detail in this example to analyze and design two-way flat slab with drop panels system. Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. For more details on NPTEL visit. Park Two-way reinforced concrete slabs often contain. Turner in 1906. 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. So, main reinforcement is provided in both direction for two way slabs. If severe deflection limits are imposed, the two-way slab will be most suitable, as the introduction of even moderately stiff beams will reduce deflections more than the largest reasonable column capital is able to. Arching or compressive membrane action (CMA) in reinforced concrete slabs occurs as a result of the great difference between the tensile and compressive strength of concrete. tangmus* INTRODUCTION The investigation reported herein was undertaken 8S a s't;l:Jidyof the design and behavior under uniform load of two­ way reinforced concrete slabs. Singly Reinforced Beam: The beam that is longitudinally reinforced only in tension zone, it is known as singly reinforced beam. Two-way slabs are generally defined as suspended slabs where the ratio of the long to the short side of a slab panel is 2 or less. Other options are column supported slab e. 1 One way RCB slabs. Two-way reinforced concrete slabs typically have span ratios less than 2 and are designed to span in two directions. RCC structure is composed of building components such as Footings, Columns, Beams, Slabs, Staircase etc. One and Two Way Slab Quantity. Reinforced Concrete: Mechanics and Design, 6/e is a perfect text for professionals in the field who need a comprehensive reference on concrete structures and the design of reinforced concrete. TIME SAVING DESIGN AIDS Two-Way Slabs Page 1 of 14 The following example illustrates the design methods presented in the article “Timesaving Design Aids for Reinforced Concrete, Part 2: Two-way Slabs,” by David A. Design Considerations for Reinforced Concrete Flat Slab Floor System @inproceedings{Deshpande2014DesignCF, title={Design Considerations for Reinforced Concrete Flat Slab Floor System}, author={Harshal A. Two-Way Flat Plate Concrete Floor System Analysis and Design. One-way: Supported by beams on two opposite sides, carrying the load along one direction. Design is in accordance with BS 8110-1:1997. The right concrete slab thickness is critical. ” Two-Way S5 8mm ØR. Design of Raft Foundation. In Seismic Design Categories A, B and C, detached one- and two-family dwellings three stories or less in height constructed with stud-bearing walls are permitted to have plain concrete footings without longitudinal reinforcement. T and L-Beams 36. Analyzing 9. Two Way Beam Supported Slab References: 1. One and Two Way Slabs. All members should pass otherwise increase beam size to pass Design > concrete frame design > display design/np Select longitudinal reinforcement For beam, for both upper and lower face, select max value & for column select max value and calculate No. This was a rowing boat designed by J. Post-Tensioned and Reinforced Concrete Slab and Beam Design Software ADAPT-PT/RC 2018 Product Overview Since 1981, ADAPT software's proven reliability and ease-of-use have made it the most widely used software for the design of post-tensioned slabs and beams worldwide. Tayabji Regional Manager CTL Group Report 0-5320-1 Project 0-5320. Two fires were used: one was the standard ISO834 fire having a 4 hour duration, while the second one was a parametric fire based on the. The building is square, with three bays in each direction. 5d from column. Member/Location. 0)Wind & Snow (File Repository) due to a bending load. The edge common to slab 1 and 2 is a continuous edge, similarly the edge common to slab 2 and 3 is continuous. One-way slabs are supported by two opposite sides and bending occurs in one direction only. Concrete column - circular section: Circular column designed with the tools of RCsolver: Concrete slab - two-way reinforced: Two-way reinforced slab designed with the tools of RCsolver: Concrete slab - one-way reinforced: One-way reinforced slab designed with the tools of RCsolver: Concrete Frame: Concrete frame designed with the tools of RCsolver. In two way slab, the ratio of longer span (l) to shorter span (b) is less than 2. ASSIGNMENT 2 Section A-Reinforced Concrete QUESTION 1 Figure Q1, shows a simply supported two-way spanning slab. Two-Way Reinforced Concrete Slab Design Please Enter the Practically Physible Spacing for Main Steel of Two-Way Slab based on Summary. a fiber reinforced. These components are reinforced with steel that give stability to the structure. 15 Construction in two-way slab systems. ASHIK RAHMAN 4. In two-way reinforced concrete slabs, the punching shear resistance is provided by the shear resistance of the concrete, V c. increments. RAM Concept contains an advanced feature set that allows for the design of a wide variety of floor systems including post-tensioned, reinforced concrete and hybrid systems, elevated slabs and mat/raft foundations, one-way slabs, two-way slabs, beams, and joist systems. com Ezekiel Enterprises, LLC 301 Mission Dr. Difference between one way slab and 2 way slab Behavior of a one-way slab connected to a cantilever Reinforced Concrete Building Design - Sketch Up Animation - YouTube. Slab design is comparatively easy when compared with the design of other elements. The MS Design System should be set to “Two-way slab” so that the code provisions for slab design are used for design (see Box 5 in Figure 6). Static analysis and detailing 5. b) A simply supported one-way slab 180 mm having an effective span of 4. Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Second Term 2012 Take thickness of slab 26 cm 20 cm block + 6 cm topping slab Calculation of Dead Load Calculate the dead load of a one way ribbed slab of thickness = 23 cm Given: = 2. The details of the slabs are shown in Table 1. Turner in 1906. 12 Two way slab design webpage screenshot 86. The choice between two-way and beamless slabs for more normal situations is. Fanella, which appeared in the October 2001 edition of Structural Engineer magazine. Two way slab design spreadsheet is a powerful excel software to ease concrete slab design. The floor system of a structure can take many forms such as in situ solid slabs, ribbed slabs or precast units. com: ACI 421. Introduction to columns type of columns, and classifications; Effective length and slenderness ratio determinations; Analysis and design of concentrically loaded columns; Analysis and design of uni-axial moments. Design for both strength and serviceability criteria are discussed. This was a rowing boat designed by J. This web seminar discusses wind and seismic design for two-way concrete slab systems, including flat plates and flat slabs. He made a slab of. It is solved using LRFD loads. Inroduction When the ratio (L/S) is less than 2. 0, per American (ACI 318) and Canadian (CSA A23. 3-14 is illustrated in detail in this example to analyze and design two-way flat slab with drop panels system. ), it is obvious that t ey are out of reach h for the averaqe office desianer. the landing should be determined by the conditions of either one-way or two-slab with the given support conditions. Kameswara Rao3,. b) A simply supported one-way slab 180 mm having an effective span of 4. Compared to one-way slabs, Calculation of two-way slabs is more complex. One-way Reinforced Concrete Slab. Combined Strap Footing Design. 0 CONCRETE DECK SLABS Generally, reinforced concrete deck slabs are the most often used type of deck for steel bridges. I would like to understand how to model it with either yield line method or equivalent frame method. 15 For prestressed steel = 1. The name waffle comes from the grid pattern created by the reinforcing ribs. The text takes a topic often introduced at the advanced level and makes it accessible to all audiences by building a foundation with core engineering concepts. Other options are column supported slab e. The goal of this reinforced concrete design example is to design a simply supported reinforced concrete one-way slab subjected to dead and live loads per ACI Code 318-11. Economical Design of Reinforced Concrete Structures: Cast-in-place, Conventionally Reinforced Concrete Two-way Slabs and Columns (Module 3) REGISTER HERE These seminars will provide design professionals with ways to economically design and detail conventionally reinforced concrete members that comply with the provisions of the 2014 edition of. Available as Print. 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. Member/Location. l x and l y are the spans of a two-way slab (two directions at right angles) where l y is the longer span. CE 317- Design of Concrete Structure –I Instructor: Dr. With just slab and columns - I think I'd stay with the two-way throughout. Recommended Details for Reinforced Concrete Construction. TlQ WAY REINFORCED CONCRETE SLAB INVESTIGATION Progress Report by George W. 0 CONCRETE DECK SLABS Generally, reinforced concrete deck slabs are the most often used type of deck for steel bridges. Keywords: Circular Slab, Two-Way Joist Slabs, Ribbed Slabs, Waffle Floors, Grid Floors, Yield-Line Theory. Equivalent Frame Analysis of Flat Slabs. ACI 360, "Design of Slabs-on-Grade", refers to this as a Type B slab. Super Slabs Gauteng is one of South Africa’s largest slab suppliers. The test results were compared with code requirements. If you opt-in to add fiber to your concrete mix, be aware that there will be some changes in the way you manage this concrete. Qaisar Ali Reinforced Concrete Design - II Department of Civil Engineering, University of Engineering and Technology Peshawar 3D Model of the House In this building we will design a two-way slab (for rooms), a one-way slab, beam and column (for verandah) 23. Bending will take place in the two directions in a dish-like form. SERVICEABILITY OF BEAMS AND ONE-WAY SLABS ENCE 454 – Design of Concrete Structures Department of Civil and Environmental Engineering University of Maryland, College Park SPRING 2004 By Dr. Students build on their understanding of basic mechanics to learn new concepts such as compressive stress and. Rectangular Beams and One-way Slabs Page 2 of 9 Two Methods: 1. We hope to cover the full building solution in near future. The bulk of the work for a new slab is in the excavation and form building. Bending moments coefficiens have been taking from the BS code. This spreadsheet offers uncomplicated and easy to use interface. Analysis and Design of Slabs Two Way. Definition of one-way and two-way slabs 2. Accordingly, main reinforcement is required in the two directions. Site will guide you, the way to follow when designing to eurocode 2. This paper describes the 3D analysis of two-way reinforced concrete slabs in fire conditions using a non-linear finite-element program, SAFIR.